Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2 | /* |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 3 | * (C) Copyright 2002-2004 |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 4 | * Brad Kemp, Seranoa Networks, Brad.Kemp@seranoa.com |
| 5 | * |
| 6 | * Copyright (C) 2003 Arabella Software Ltd. |
| 7 | * Yuli Barcohen <yuli@arabellasw.com> |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 8 | * |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 9 | * Copyright (C) 2004 |
| 10 | * Ed Okerson |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 11 | * |
| 12 | * Copyright (C) 2006 |
| 13 | * Tolunay Orkun <listmember@orkun.us> |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | /* The DEBUG define must be before common to enable debugging */ |
wdenk | 2ebee31 | 2004-02-23 19:30:57 +0000 | [diff] [blame] | 17 | /* #define DEBUG */ |
| 18 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 19 | #include <common.h> |
Simon Glass | a73bda4 | 2015-11-08 23:47:45 -0700 | [diff] [blame] | 20 | #include <console.h> |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 21 | #include <dm.h> |
Simon Glass | db22961 | 2019-08-01 09:46:42 -0600 | [diff] [blame] | 22 | #include <env.h> |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 23 | #include <errno.h> |
| 24 | #include <fdt_support.h> |
Simon Glass | 8e20188 | 2020-05-10 11:39:54 -0600 | [diff] [blame] | 25 | #include <flash.h> |
Simon Glass | 9758973 | 2020-05-10 11:40:02 -0600 | [diff] [blame] | 26 | #include <init.h> |
Simon Glass | 9b61c7c | 2019-11-14 12:57:41 -0700 | [diff] [blame] | 27 | #include <irq_func.h> |
Simon Glass | 0f2af88 | 2020-05-10 11:40:05 -0600 | [diff] [blame] | 28 | #include <log.h> |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 29 | #include <asm/processor.h> |
Haiying Wang | c123a38 | 2007-02-21 16:52:31 +0100 | [diff] [blame] | 30 | #include <asm/io.h> |
wdenk | aeba06f | 2004-06-09 17:34:58 +0000 | [diff] [blame] | 31 | #include <asm/byteorder.h> |
Andrew Gabbasov | c159258 | 2013-05-14 12:27:52 -0500 | [diff] [blame] | 32 | #include <asm/unaligned.h> |
Simon Glass | 9d1f619 | 2019-08-02 09:44:25 -0600 | [diff] [blame] | 33 | #include <env_internal.h> |
Simon Glass | dbd7954 | 2020-05-10 11:40:11 -0600 | [diff] [blame] | 34 | #include <linux/delay.h> |
Stefan Roese | 6e83e34 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 35 | #include <mtd/cfi_flash.h> |
Jens Scharsig (BuS Elektronik) | 287a158 | 2012-01-27 09:29:53 +0100 | [diff] [blame] | 36 | #include <watchdog.h> |
wdenk | e537b3b | 2004-02-23 23:54:43 +0000 | [diff] [blame] | 37 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 38 | /* |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 39 | * This file implements a Common Flash Interface (CFI) driver for |
| 40 | * U-Boot. |
| 41 | * |
| 42 | * The width of the port and the width of the chips are determined at |
| 43 | * initialization. These widths are used to calculate the address for |
| 44 | * access CFI data structures. |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 45 | * |
| 46 | * References |
| 47 | * JEDEC Standard JESD68 - Common Flash Interface (CFI) |
| 48 | * JEDEC Standard JEP137-A Common Flash Interface (CFI) ID Codes |
| 49 | * Intel Application Note 646 Common Flash Interface (CFI) and Command Sets |
| 50 | * Intel 290667-008 3 Volt Intel StrataFlash Memory datasheet |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 51 | * AMD CFI Specification, Release 2.0 December 1, 2001 |
| 52 | * AMD/Spansion Application Note: Migration from Single-byte to Three-byte |
| 53 | * Device IDs, Publication Number 25538 Revision A, November 8, 2001 |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 54 | * |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 55 | * Define CONFIG_SYS_WRITE_SWAPPED_DATA, if you have to swap the Bytes between |
Heiko Schocher | 800db31 | 2007-01-19 18:05:26 +0100 | [diff] [blame] | 56 | * reading and writing ... (yes there is such a Hardware). |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 57 | */ |
| 58 | |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 59 | DECLARE_GLOBAL_DATA_PTR; |
| 60 | |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 61 | static uint flash_offset_cfi[2] = { FLASH_OFFSET_CFI, FLASH_OFFSET_CFI_ALT }; |
Mike Frysinger | c2c093d | 2010-12-22 09:41:13 -0500 | [diff] [blame] | 62 | #ifdef CONFIG_FLASH_CFI_MTD |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 63 | static uint flash_verbose = 1; |
Mike Frysinger | c2c093d | 2010-12-22 09:41:13 -0500 | [diff] [blame] | 64 | #else |
| 65 | #define flash_verbose 1 |
| 66 | #endif |
Wolfgang Denk | afa0dd0 | 2006-12-27 01:26:13 +0100 | [diff] [blame] | 67 | |
Wolfgang Denk | 9f5fb0f | 2008-08-08 16:39:54 +0200 | [diff] [blame] | 68 | flash_info_t flash_info[CFI_MAX_FLASH_BANKS]; /* FLASH chips info */ |
| 69 | |
Stefan Roese | c865e6c | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 70 | /* |
| 71 | * Check if chip width is defined. If not, start detecting with 8bit. |
| 72 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 73 | #ifndef CONFIG_SYS_FLASH_CFI_WIDTH |
| 74 | #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT |
Stefan Roese | c865e6c | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 75 | #endif |
| 76 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 77 | #ifdef CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS |
| 78 | #define __maybe_weak __weak |
| 79 | #else |
| 80 | #define __maybe_weak static |
| 81 | #endif |
| 82 | |
Stefan Roese | ab93564 | 2010-10-25 18:31:48 +0200 | [diff] [blame] | 83 | /* |
| 84 | * 0xffff is an undefined value for the configuration register. When |
| 85 | * this value is returned, the configuration register shall not be |
| 86 | * written at all (default mode). |
| 87 | */ |
| 88 | static u16 cfi_flash_config_reg(int i) |
| 89 | { |
| 90 | #ifdef CONFIG_SYS_CFI_FLASH_CONFIG_REGS |
| 91 | return ((u16 [])CONFIG_SYS_CFI_FLASH_CONFIG_REGS)[i]; |
| 92 | #else |
| 93 | return 0xffff; |
| 94 | #endif |
| 95 | } |
| 96 | |
Stefan Roese | fb9a730 | 2010-08-31 10:00:10 +0200 | [diff] [blame] | 97 | #if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT) |
| 98 | int cfi_flash_num_flash_banks = CONFIG_SYS_MAX_FLASH_BANKS_DETECT; |
Mario Six | 28f1898 | 2018-01-26 14:43:56 +0100 | [diff] [blame] | 99 | #else |
| 100 | int cfi_flash_num_flash_banks; |
Stefan Roese | fb9a730 | 2010-08-31 10:00:10 +0200 | [diff] [blame] | 101 | #endif |
| 102 | |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 103 | #ifdef CONFIG_CFI_FLASH /* for driver model */ |
| 104 | static void cfi_flash_init_dm(void) |
| 105 | { |
| 106 | struct udevice *dev; |
| 107 | |
| 108 | cfi_flash_num_flash_banks = 0; |
| 109 | /* |
| 110 | * The uclass_first_device() will probe the first device and |
| 111 | * uclass_next_device() will probe the rest if they exist. So |
| 112 | * that cfi_flash_probe() will get called assigning the base |
| 113 | * addresses that are available. |
| 114 | */ |
| 115 | for (uclass_first_device(UCLASS_MTD, &dev); |
| 116 | dev; |
| 117 | uclass_next_device(&dev)) { |
| 118 | } |
| 119 | } |
| 120 | |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 121 | phys_addr_t cfi_flash_bank_addr(int i) |
| 122 | { |
Marek Vasut | 970940f | 2017-09-12 19:09:08 +0200 | [diff] [blame] | 123 | return flash_info[i].base; |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 124 | } |
| 125 | #else |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 126 | __weak phys_addr_t cfi_flash_bank_addr(int i) |
Stefan Roese | 7e7dda8 | 2010-08-30 10:11:51 +0200 | [diff] [blame] | 127 | { |
| 128 | return ((phys_addr_t [])CONFIG_SYS_FLASH_BANKS_LIST)[i]; |
| 129 | } |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 130 | #endif |
Stefan Roese | 7e7dda8 | 2010-08-30 10:11:51 +0200 | [diff] [blame] | 131 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 132 | __weak unsigned long cfi_flash_bank_size(int i) |
Ilya Yanok | 755c180 | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 133 | { |
| 134 | #ifdef CONFIG_SYS_FLASH_BANKS_SIZES |
| 135 | return ((unsigned long [])CONFIG_SYS_FLASH_BANKS_SIZES)[i]; |
| 136 | #else |
| 137 | return 0; |
| 138 | #endif |
| 139 | } |
Ilya Yanok | 755c180 | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 140 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 141 | __maybe_weak void flash_write8(u8 value, void *addr) |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 142 | { |
| 143 | __raw_writeb(value, addr); |
| 144 | } |
| 145 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 146 | __maybe_weak void flash_write16(u16 value, void *addr) |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 147 | { |
| 148 | __raw_writew(value, addr); |
| 149 | } |
| 150 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 151 | __maybe_weak void flash_write32(u32 value, void *addr) |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 152 | { |
| 153 | __raw_writel(value, addr); |
| 154 | } |
| 155 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 156 | __maybe_weak void flash_write64(u64 value, void *addr) |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 157 | { |
| 158 | /* No architectures currently implement __raw_writeq() */ |
| 159 | *(volatile u64 *)addr = value; |
| 160 | } |
| 161 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 162 | __maybe_weak u8 flash_read8(void *addr) |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 163 | { |
| 164 | return __raw_readb(addr); |
| 165 | } |
| 166 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 167 | __maybe_weak u16 flash_read16(void *addr) |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 168 | { |
| 169 | return __raw_readw(addr); |
| 170 | } |
| 171 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 172 | __maybe_weak u32 flash_read32(void *addr) |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 173 | { |
| 174 | return __raw_readl(addr); |
| 175 | } |
| 176 | |
Jeroen Hofstee | 4f517e6 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 177 | __maybe_weak u64 flash_read64(void *addr) |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 178 | { |
| 179 | /* No architectures currently implement __raw_readq() */ |
| 180 | return *(volatile u64 *)addr; |
| 181 | } |
| 182 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 183 | /*----------------------------------------------------------------------- |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 184 | */ |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 185 | #if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || \ |
Vignesh Raghavendra | 5b9d800 | 2019-10-23 13:30:00 +0530 | [diff] [blame] | 186 | (defined(CONFIG_SYS_MONITOR_BASE) && \ |
| 187 | (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE)) |
Marek Vasut | a26162d | 2017-08-20 17:20:00 +0200 | [diff] [blame] | 188 | static flash_info_t *flash_get_info(ulong base) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 189 | { |
| 190 | int i; |
Masahiro Yamada | c663b9a | 2013-05-17 14:50:37 +0900 | [diff] [blame] | 191 | flash_info_t *info; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 192 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 193 | for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { |
Masahiro Yamada | 44049f3 | 2013-05-17 14:50:36 +0900 | [diff] [blame] | 194 | info = &flash_info[i]; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 195 | if (info->size && info->start[0] <= base && |
| 196 | base <= info->start[0] + info->size - 1) |
Masahiro Yamada | c663b9a | 2013-05-17 14:50:37 +0900 | [diff] [blame] | 197 | return info; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 198 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 199 | |
Masahiro Yamada | c663b9a | 2013-05-17 14:50:37 +0900 | [diff] [blame] | 200 | return NULL; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 201 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 202 | #endif |
| 203 | |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 204 | unsigned long flash_sector_size(flash_info_t *info, flash_sect_t sect) |
| 205 | { |
| 206 | if (sect != (info->sector_count - 1)) |
| 207 | return info->start[sect + 1] - info->start[sect]; |
| 208 | else |
| 209 | return info->start[0] + info->size - info->start[sect]; |
| 210 | } |
| 211 | |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 212 | /*----------------------------------------------------------------------- |
| 213 | * create an address based on the offset and the port width |
| 214 | */ |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 215 | static inline void * |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 216 | flash_map(flash_info_t *info, flash_sect_t sect, uint offset) |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 217 | { |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 218 | unsigned int byte_offset = offset * info->portwidth; |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 219 | |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 220 | return (void *)(info->start[sect] + byte_offset); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | static inline void flash_unmap(flash_info_t *info, flash_sect_t sect, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 224 | unsigned int offset, void *addr) |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 225 | { |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 228 | /*----------------------------------------------------------------------- |
| 229 | * make a proper sized command based on the port and chip widths |
| 230 | */ |
Sebastian Siewior | 7746ed8 | 2008-07-15 13:35:23 +0200 | [diff] [blame] | 231 | static void flash_make_cmd(flash_info_t *info, u32 cmd, void *cmdbuf) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 232 | { |
| 233 | int i; |
Vasiliy Leoenenko | c47c0d4 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 234 | int cword_offset; |
| 235 | int cp_offset; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 236 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Sebastian Siewior | d528cd6 | 2008-07-16 20:04:49 +0200 | [diff] [blame] | 237 | u32 cmd_le = cpu_to_le32(cmd); |
| 238 | #endif |
Vasiliy Leoenenko | c47c0d4 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 239 | uchar val; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 240 | uchar *cp = (uchar *) cmdbuf; |
| 241 | |
Mario Six | e2c0746 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 242 | for (i = info->portwidth; i > 0; i--) { |
Mario Six | a828c1e | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 243 | cword_offset = (info->portwidth - i) % info->chipwidth; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 244 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Vasiliy Leoenenko | c47c0d4 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 245 | cp_offset = info->portwidth - i; |
Mario Six | ae0b9c7 | 2018-01-26 14:43:34 +0100 | [diff] [blame] | 246 | val = *((uchar *)&cmd_le + cword_offset); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 247 | #else |
Vasiliy Leoenenko | c47c0d4 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 248 | cp_offset = i - 1; |
Mario Six | ae0b9c7 | 2018-01-26 14:43:34 +0100 | [diff] [blame] | 249 | val = *((uchar *)&cmd + sizeof(u32) - cword_offset - 1); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 250 | #endif |
Sebastian Siewior | 7746ed8 | 2008-07-15 13:35:23 +0200 | [diff] [blame] | 251 | cp[cp_offset] = (cword_offset >= sizeof(u32)) ? 0x00 : val; |
Vasiliy Leoenenko | c47c0d4 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 252 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 253 | } |
| 254 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 255 | #ifdef DEBUG |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 256 | /*----------------------------------------------------------------------- |
| 257 | * Debug support |
| 258 | */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 259 | static void print_longlong(char *str, unsigned long long data) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 260 | { |
| 261 | int i; |
| 262 | char *cp; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 263 | |
Mario Six | a828c1e | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 264 | cp = (char *)&data; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 265 | for (i = 0; i < 8; i++) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 266 | sprintf(&str[i * 2], "%2.2x", *cp++); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 267 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 268 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 269 | static void flash_printqry(struct cfi_qry *qry) |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 270 | { |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 271 | u8 *p = (u8 *)qry; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 272 | int x, y; |
| 273 | |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 274 | for (x = 0; x < sizeof(struct cfi_qry); x += 16) { |
| 275 | debug("%02x : ", x); |
| 276 | for (y = 0; y < 16; y++) |
| 277 | debug("%2.2x ", p[x + y]); |
| 278 | debug(" "); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 279 | for (y = 0; y < 16; y++) { |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 280 | unsigned char c = p[x + y]; |
Mario Six | c7e359e | 2018-01-26 14:43:37 +0100 | [diff] [blame] | 281 | |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 282 | if (c >= 0x20 && c <= 0x7e) |
| 283 | debug("%c", c); |
| 284 | else |
| 285 | debug("."); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 286 | } |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 287 | debug("\n"); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 288 | } |
| 289 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 290 | #endif |
| 291 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 292 | /*----------------------------------------------------------------------- |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 293 | * read a character at a port width address |
| 294 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 295 | static inline uchar flash_read_uchar(flash_info_t *info, uint offset) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 296 | { |
| 297 | uchar *cp; |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 298 | uchar retval; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 299 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 300 | cp = flash_map(info, 0, offset); |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 301 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 302 | retval = flash_read8(cp); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 303 | #else |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 304 | retval = flash_read8(cp + info->portwidth - 1); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 305 | #endif |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 306 | flash_unmap(info, 0, offset, cp); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 307 | return retval; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 308 | } |
| 309 | |
| 310 | /*----------------------------------------------------------------------- |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 311 | * read a word at a port width address, assume 16bit bus |
| 312 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 313 | static inline ushort flash_read_word(flash_info_t *info, uint offset) |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 314 | { |
| 315 | ushort *addr, retval; |
| 316 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 317 | addr = flash_map(info, 0, offset); |
| 318 | retval = flash_read16(addr); |
| 319 | flash_unmap(info, 0, offset, addr); |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 320 | return retval; |
| 321 | } |
| 322 | |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 323 | /*----------------------------------------------------------------------- |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 324 | * read a long word by picking the least significant byte of each maximum |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 325 | * port size word. Swap for ppc format. |
| 326 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 327 | static ulong flash_read_long (flash_info_t *info, flash_sect_t sect, |
Haavard Skinnemoen | 670a323 | 2007-12-13 12:56:29 +0100 | [diff] [blame] | 328 | uint offset) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 329 | { |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 330 | uchar *addr; |
| 331 | ulong retval; |
| 332 | |
| 333 | #ifdef DEBUG |
| 334 | int x; |
| 335 | #endif |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 336 | addr = flash_map(info, sect, offset); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 337 | |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 338 | #ifdef DEBUG |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 339 | debug("long addr is at %p info->portwidth = %d\n", addr, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 340 | info->portwidth); |
Mario Six | cbe41ca | 2018-01-26 14:43:38 +0100 | [diff] [blame] | 341 | for (x = 0; x < 4 * info->portwidth; x++) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 342 | debug("addr[%x] = 0x%x\n", x, flash_read8(addr + x)); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 343 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 344 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 345 | retval = ((flash_read8(addr) << 16) | |
| 346 | (flash_read8(addr + info->portwidth) << 24) | |
| 347 | (flash_read8(addr + 2 * info->portwidth)) | |
| 348 | (flash_read8(addr + 3 * info->portwidth) << 8)); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 349 | #else |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 350 | retval = ((flash_read8(addr + 2 * info->portwidth - 1) << 24) | |
| 351 | (flash_read8(addr + info->portwidth - 1) << 16) | |
| 352 | (flash_read8(addr + 4 * info->portwidth - 1) << 8) | |
| 353 | (flash_read8(addr + 3 * info->portwidth - 1))); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 354 | #endif |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 355 | flash_unmap(info, sect, offset, addr); |
| 356 | |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 357 | return retval; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 358 | } |
| 359 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 360 | /* |
| 361 | * Write a proper sized command to the correct address |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 362 | */ |
Marek Vasut | a26162d | 2017-08-20 17:20:00 +0200 | [diff] [blame] | 363 | static void flash_write_cmd(flash_info_t *info, flash_sect_t sect, |
| 364 | uint offset, u32 cmd) |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 365 | { |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 366 | void *addr; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 367 | cfiword_t cword; |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 368 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 369 | addr = flash_map(info, sect, offset); |
| 370 | flash_make_cmd(info, cmd, &cword); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 371 | switch (info->portwidth) { |
| 372 | case FLASH_CFI_8BIT: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 373 | debug("fwc addr %p cmd %x %x 8bit x %d bit\n", addr, cmd, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 374 | cword.w8, info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 375 | flash_write8(cword.w8, addr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 376 | break; |
| 377 | case FLASH_CFI_16BIT: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 378 | debug("fwc addr %p cmd %x %4.4x 16bit x %d bit\n", addr, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 379 | cmd, cword.w16, |
| 380 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 381 | flash_write16(cword.w16, addr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 382 | break; |
| 383 | case FLASH_CFI_32BIT: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 384 | debug("fwc addr %p cmd %x %8.8x 32bit x %d bit\n", addr, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 385 | cmd, cword.w32, |
| 386 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 387 | flash_write32(cword.w32, addr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 388 | break; |
| 389 | case FLASH_CFI_64BIT: |
| 390 | #ifdef DEBUG |
| 391 | { |
| 392 | char str[20]; |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 393 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 394 | print_longlong(str, cword.w64); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 395 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 396 | debug("fwrite addr %p cmd %x %s 64 bit x %d bit\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 397 | addr, cmd, str, |
| 398 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 399 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 400 | #endif |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 401 | flash_write64(cword.w64, addr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 402 | break; |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 403 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 404 | |
| 405 | /* Ensure all the instructions are fully finished */ |
| 406 | sync(); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 407 | |
| 408 | flash_unmap(info, sect, offset, addr); |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 409 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 410 | |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 411 | static void flash_unlock_seq(flash_info_t *info, flash_sect_t sect) |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 412 | { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 413 | flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_UNLOCK_START); |
| 414 | flash_write_cmd(info, sect, info->addr_unlock2, AMD_CMD_UNLOCK_ACK); |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 415 | } |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 416 | |
| 417 | /*----------------------------------------------------------------------- |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 418 | */ |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 419 | static int flash_isequal(flash_info_t *info, flash_sect_t sect, uint offset, |
| 420 | uchar cmd) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 421 | { |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 422 | void *addr; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 423 | cfiword_t cword; |
| 424 | int retval; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 425 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 426 | addr = flash_map(info, sect, offset); |
| 427 | flash_make_cmd(info, cmd, &cword); |
Stefan Roese | efef95b | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 428 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 429 | debug("is= cmd %x(%c) addr %p ", cmd, cmd, addr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 430 | switch (info->portwidth) { |
| 431 | case FLASH_CFI_8BIT: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 432 | debug("is= %x %x\n", flash_read8(addr), cword.w8); |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 433 | retval = (flash_read8(addr) == cword.w8); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 434 | break; |
| 435 | case FLASH_CFI_16BIT: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 436 | debug("is= %4.4x %4.4x\n", flash_read16(addr), cword.w16); |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 437 | retval = (flash_read16(addr) == cword.w16); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 438 | break; |
| 439 | case FLASH_CFI_32BIT: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 440 | debug("is= %8.8x %8.8x\n", flash_read32(addr), cword.w32); |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 441 | retval = (flash_read32(addr) == cword.w32); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 442 | break; |
| 443 | case FLASH_CFI_64BIT: |
| 444 | #ifdef DEBUG |
| 445 | { |
| 446 | char str1[20]; |
| 447 | char str2[20]; |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 448 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 449 | print_longlong(str1, flash_read64(addr)); |
| 450 | print_longlong(str2, cword.w64); |
| 451 | debug("is= %s %s\n", str1, str2); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 452 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 453 | #endif |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 454 | retval = (flash_read64(addr) == cword.w64); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 455 | break; |
| 456 | default: |
| 457 | retval = 0; |
| 458 | break; |
| 459 | } |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 460 | flash_unmap(info, sect, offset, addr); |
| 461 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 462 | return retval; |
| 463 | } |
Stefan Roese | efef95b | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 464 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 465 | /*----------------------------------------------------------------------- |
| 466 | */ |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 467 | static int flash_isset(flash_info_t *info, flash_sect_t sect, uint offset, |
| 468 | uchar cmd) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 469 | { |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 470 | void *addr; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 471 | cfiword_t cword; |
| 472 | int retval; |
Stefan Roese | efef95b | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 473 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 474 | addr = flash_map(info, sect, offset); |
| 475 | flash_make_cmd(info, cmd, &cword); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 476 | switch (info->portwidth) { |
| 477 | case FLASH_CFI_8BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 478 | retval = ((flash_read8(addr) & cword.w8) == cword.w8); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 479 | break; |
| 480 | case FLASH_CFI_16BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 481 | retval = ((flash_read16(addr) & cword.w16) == cword.w16); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 482 | break; |
| 483 | case FLASH_CFI_32BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 484 | retval = ((flash_read32(addr) & cword.w32) == cword.w32); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 485 | break; |
| 486 | case FLASH_CFI_64BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 487 | retval = ((flash_read64(addr) & cword.w64) == cword.w64); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 488 | break; |
| 489 | default: |
| 490 | retval = 0; |
| 491 | break; |
| 492 | } |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 493 | flash_unmap(info, sect, offset, addr); |
| 494 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 495 | return retval; |
| 496 | } |
Stefan Roese | efef95b | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 497 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 498 | /*----------------------------------------------------------------------- |
| 499 | */ |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 500 | static int flash_toggle(flash_info_t *info, flash_sect_t sect, uint offset, |
| 501 | uchar cmd) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 502 | { |
Mario Six | f4bab85 | 2018-01-26 14:43:49 +0100 | [diff] [blame] | 503 | u8 *addr; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 504 | cfiword_t cword; |
| 505 | int retval; |
wdenk | e85b7a5 | 2004-10-10 22:16:06 +0000 | [diff] [blame] | 506 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 507 | addr = flash_map(info, sect, offset); |
| 508 | flash_make_cmd(info, cmd, &cword); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 509 | switch (info->portwidth) { |
| 510 | case FLASH_CFI_8BIT: |
Stefan Roese | cff2b49 | 2008-06-16 10:40:02 +0200 | [diff] [blame] | 511 | retval = flash_read8(addr) != flash_read8(addr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 512 | break; |
| 513 | case FLASH_CFI_16BIT: |
Stefan Roese | cff2b49 | 2008-06-16 10:40:02 +0200 | [diff] [blame] | 514 | retval = flash_read16(addr) != flash_read16(addr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 515 | break; |
| 516 | case FLASH_CFI_32BIT: |
Stefan Roese | cff2b49 | 2008-06-16 10:40:02 +0200 | [diff] [blame] | 517 | retval = flash_read32(addr) != flash_read32(addr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 518 | break; |
| 519 | case FLASH_CFI_64BIT: |
Mario Six | e2c0746 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 520 | retval = ((flash_read32(addr) != flash_read32(addr)) || |
Mario Six | a828c1e | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 521 | (flash_read32(addr + 4) != flash_read32(addr + 4))); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 522 | break; |
| 523 | default: |
| 524 | retval = 0; |
| 525 | break; |
| 526 | } |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 527 | flash_unmap(info, sect, offset, addr); |
| 528 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 529 | return retval; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 530 | } |
| 531 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 532 | /* |
| 533 | * flash_is_busy - check to see if the flash is busy |
| 534 | * |
| 535 | * This routine checks the status of the chip and returns true if the |
| 536 | * chip is busy. |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 537 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 538 | static int flash_is_busy(flash_info_t *info, flash_sect_t sect) |
wdenk | 5c71a7a | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 539 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 540 | int retval; |
wdenk | 5c71a7a | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 541 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 542 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 543 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 544 | case CFI_CMDSET_INTEL_STANDARD: |
| 545 | case CFI_CMDSET_INTEL_EXTENDED: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 546 | retval = !flash_isset(info, sect, 0, FLASH_STATUS_DONE); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 547 | break; |
| 548 | case CFI_CMDSET_AMD_STANDARD: |
| 549 | case CFI_CMDSET_AMD_EXTENDED: |
| 550 | #ifdef CONFIG_FLASH_CFI_LEGACY |
| 551 | case CFI_CMDSET_AMD_LEGACY: |
| 552 | #endif |
Marek Vasut | 9b71847 | 2017-09-12 19:09:31 +0200 | [diff] [blame] | 553 | if (info->sr_supported) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 554 | flash_write_cmd(info, sect, info->addr_unlock1, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 555 | FLASH_CMD_READ_STATUS); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 556 | retval = !flash_isset(info, sect, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 557 | FLASH_STATUS_DONE); |
Marek Vasut | 9b71847 | 2017-09-12 19:09:31 +0200 | [diff] [blame] | 558 | } else { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 559 | retval = flash_toggle(info, sect, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 560 | AMD_STATUS_TOGGLE); |
Marek Vasut | 9b71847 | 2017-09-12 19:09:31 +0200 | [diff] [blame] | 561 | } |
| 562 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 563 | break; |
| 564 | default: |
| 565 | retval = 0; |
wdenk | 5c71a7a | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 566 | } |
Mario Six | 9355d55 | 2018-01-26 14:43:40 +0100 | [diff] [blame] | 567 | debug("%s: %d\n", __func__, retval); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 568 | return retval; |
wdenk | 5c71a7a | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | /*----------------------------------------------------------------------- |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 572 | * wait for XSR.7 to be set. Time out with an error if it does not. |
| 573 | * This routine does not set the flash to read-array mode. |
wdenk | 5c71a7a | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 574 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 575 | static int flash_status_check(flash_info_t *info, flash_sect_t sector, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 576 | ulong tout, char *prompt) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 577 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 578 | ulong start; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 579 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 580 | #if CONFIG_SYS_HZ != 1000 |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 581 | /* Avoid overflow for large HZ */ |
Renato Andreola | ac6693d | 2010-03-24 23:00:47 +0800 | [diff] [blame] | 582 | if ((ulong)CONFIG_SYS_HZ > 100000) |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 583 | tout *= (ulong)CONFIG_SYS_HZ / 1000; |
Renato Andreola | ac6693d | 2010-03-24 23:00:47 +0800 | [diff] [blame] | 584 | else |
| 585 | tout = DIV_ROUND_UP(tout * (ulong)CONFIG_SYS_HZ, 1000); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 586 | #endif |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 587 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 588 | /* Wait for command completion */ |
Graeme Russ | 13ec42b | 2011-07-15 02:18:56 +0000 | [diff] [blame] | 589 | #ifdef CONFIG_SYS_LOW_RES_TIMER |
Thomas Chou | 4b7e668 | 2010-04-01 11:15:05 +0800 | [diff] [blame] | 590 | reset_timer(); |
Graeme Russ | 13ec42b | 2011-07-15 02:18:56 +0000 | [diff] [blame] | 591 | #endif |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 592 | start = get_timer(0); |
Jens Scharsig (BuS Elektronik) | 287a158 | 2012-01-27 09:29:53 +0100 | [diff] [blame] | 593 | WATCHDOG_RESET(); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 594 | while (flash_is_busy(info, sector)) { |
| 595 | if (get_timer(start) > tout) { |
| 596 | printf("Flash %s timeout at address %lx data %lx\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 597 | prompt, info->start[sector], |
| 598 | flash_read_long(info, sector, 0)); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 599 | flash_write_cmd(info, sector, 0, info->cmd_reset); |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 600 | udelay(1); |
Mario Six | 324b940 | 2018-01-26 14:43:52 +0100 | [diff] [blame] | 601 | return ERR_TIMEOUT; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 602 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 603 | udelay(1); /* also triggers watchdog */ |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 604 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 605 | return ERR_OK; |
| 606 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 607 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 608 | /*----------------------------------------------------------------------- |
| 609 | * Wait for XSR.7 to be set, if it times out print an error, otherwise |
| 610 | * do a full status check. |
| 611 | * |
| 612 | * This routine sets the flash to read-array mode. |
| 613 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 614 | static int flash_full_status_check(flash_info_t *info, flash_sect_t sector, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 615 | ulong tout, char *prompt) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 616 | { |
| 617 | int retcode; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 618 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 619 | retcode = flash_status_check(info, sector, tout, prompt); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 620 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 621 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 622 | case CFI_CMDSET_INTEL_EXTENDED: |
| 623 | case CFI_CMDSET_INTEL_STANDARD: |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 624 | if (retcode == ERR_OK && |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 625 | !flash_isset(info, sector, 0, FLASH_STATUS_DONE)) { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 626 | retcode = ERR_INVAL; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 627 | printf("Flash %s error at address %lx\n", prompt, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 628 | info->start[sector]); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 629 | if (flash_isset(info, sector, 0, FLASH_STATUS_ECLBS | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 630 | FLASH_STATUS_PSLBS)) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 631 | puts("Command Sequence Error.\n"); |
| 632 | } else if (flash_isset(info, sector, 0, |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 633 | FLASH_STATUS_ECLBS)) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 634 | puts("Block Erase Error.\n"); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 635 | retcode = ERR_NOT_ERASED; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 636 | } else if (flash_isset(info, sector, 0, |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 637 | FLASH_STATUS_PSLBS)) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 638 | puts("Locking Error\n"); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 639 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 640 | if (flash_isset(info, sector, 0, FLASH_STATUS_DPS)) { |
| 641 | puts("Block locked.\n"); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 642 | retcode = ERR_PROTECTED; |
| 643 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 644 | if (flash_isset(info, sector, 0, FLASH_STATUS_VPENS)) |
| 645 | puts("Vpp Low Error.\n"); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 646 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 647 | flash_write_cmd(info, sector, 0, info->cmd_reset); |
Aaron Williams | ffcef2f | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 648 | udelay(1); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 649 | break; |
| 650 | default: |
| 651 | break; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 652 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 653 | return retcode; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 654 | } |
| 655 | |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 656 | static int use_flash_status_poll(flash_info_t *info) |
| 657 | { |
| 658 | #ifdef CONFIG_SYS_CFI_FLASH_STATUS_POLL |
| 659 | if (info->vendor == CFI_CMDSET_AMD_EXTENDED || |
| 660 | info->vendor == CFI_CMDSET_AMD_STANDARD) |
| 661 | return 1; |
| 662 | #endif |
| 663 | return 0; |
| 664 | } |
| 665 | |
| 666 | static int flash_status_poll(flash_info_t *info, void *src, void *dst, |
| 667 | ulong tout, char *prompt) |
| 668 | { |
| 669 | #ifdef CONFIG_SYS_CFI_FLASH_STATUS_POLL |
| 670 | ulong start; |
| 671 | int ready; |
| 672 | |
| 673 | #if CONFIG_SYS_HZ != 1000 |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 674 | /* Avoid overflow for large HZ */ |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 675 | if ((ulong)CONFIG_SYS_HZ > 100000) |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 676 | tout *= (ulong)CONFIG_SYS_HZ / 1000; |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 677 | else |
| 678 | tout = DIV_ROUND_UP(tout * (ulong)CONFIG_SYS_HZ, 1000); |
| 679 | #endif |
| 680 | |
| 681 | /* Wait for command completion */ |
Graeme Russ | 13ec42b | 2011-07-15 02:18:56 +0000 | [diff] [blame] | 682 | #ifdef CONFIG_SYS_LOW_RES_TIMER |
Thomas Chou | 4b7e668 | 2010-04-01 11:15:05 +0800 | [diff] [blame] | 683 | reset_timer(); |
Graeme Russ | 13ec42b | 2011-07-15 02:18:56 +0000 | [diff] [blame] | 684 | #endif |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 685 | start = get_timer(0); |
Jens Scharsig (BuS Elektronik) | 287a158 | 2012-01-27 09:29:53 +0100 | [diff] [blame] | 686 | WATCHDOG_RESET(); |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 687 | while (1) { |
| 688 | switch (info->portwidth) { |
| 689 | case FLASH_CFI_8BIT: |
| 690 | ready = flash_read8(dst) == flash_read8(src); |
| 691 | break; |
| 692 | case FLASH_CFI_16BIT: |
| 693 | ready = flash_read16(dst) == flash_read16(src); |
| 694 | break; |
| 695 | case FLASH_CFI_32BIT: |
| 696 | ready = flash_read32(dst) == flash_read32(src); |
| 697 | break; |
| 698 | case FLASH_CFI_64BIT: |
| 699 | ready = flash_read64(dst) == flash_read64(src); |
| 700 | break; |
| 701 | default: |
| 702 | ready = 0; |
| 703 | break; |
| 704 | } |
| 705 | if (ready) |
| 706 | break; |
| 707 | if (get_timer(start) > tout) { |
| 708 | printf("Flash %s timeout at address %lx data %lx\n", |
| 709 | prompt, (ulong)dst, (ulong)flash_read8(dst)); |
Mario Six | 324b940 | 2018-01-26 14:43:52 +0100 | [diff] [blame] | 710 | return ERR_TIMEOUT; |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 711 | } |
| 712 | udelay(1); /* also triggers watchdog */ |
| 713 | } |
| 714 | #endif /* CONFIG_SYS_CFI_FLASH_STATUS_POLL */ |
| 715 | return ERR_OK; |
| 716 | } |
| 717 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 718 | /*----------------------------------------------------------------------- |
| 719 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 720 | static void flash_add_byte(flash_info_t *info, cfiword_t *cword, uchar c) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 721 | { |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 722 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 723 | unsigned short w; |
| 724 | unsigned int l; |
| 725 | unsigned long long ll; |
| 726 | #endif |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 727 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 728 | switch (info->portwidth) { |
| 729 | case FLASH_CFI_8BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 730 | cword->w8 = c; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 731 | break; |
| 732 | case FLASH_CFI_16BIT: |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 733 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 734 | w = c; |
| 735 | w <<= 8; |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 736 | cword->w16 = (cword->w16 >> 8) | w; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 737 | #else |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 738 | cword->w16 = (cword->w16 << 8) | c; |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 739 | #endif |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 740 | break; |
| 741 | case FLASH_CFI_32BIT: |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 742 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 743 | l = c; |
| 744 | l <<= 24; |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 745 | cword->w32 = (cword->w32 >> 8) | l; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 746 | #else |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 747 | cword->w32 = (cword->w32 << 8) | c; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 748 | #endif |
| 749 | break; |
| 750 | case FLASH_CFI_64BIT: |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 751 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 752 | ll = c; |
| 753 | ll <<= 56; |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 754 | cword->w64 = (cword->w64 >> 8) | ll; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 755 | #else |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 756 | cword->w64 = (cword->w64 << 8) | c; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 757 | #endif |
| 758 | break; |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 759 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 760 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 761 | |
Jens Gehrlein | 8ee4add | 2008-12-16 17:25:55 +0100 | [diff] [blame] | 762 | /* |
| 763 | * Loop through the sector table starting from the previously found sector. |
| 764 | * Searches forwards or backwards, dependent on the passed address. |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 765 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 766 | static flash_sect_t find_sector(flash_info_t *info, ulong addr) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 767 | { |
Kim Phillips | d303b86 | 2012-10-29 13:34:45 +0000 | [diff] [blame] | 768 | static flash_sect_t saved_sector; /* previously found sector */ |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 769 | static flash_info_t *saved_info; /* previously used flash bank */ |
Jens Gehrlein | 8ee4add | 2008-12-16 17:25:55 +0100 | [diff] [blame] | 770 | flash_sect_t sector = saved_sector; |
| 771 | |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 772 | if (info != saved_info || sector >= info->sector_count) |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 773 | sector = 0; |
| 774 | |
Mario Six | aaf1a4a | 2018-01-26 14:43:53 +0100 | [diff] [blame] | 775 | while ((sector < info->sector_count - 1) && |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 776 | (info->start[sector] < addr)) |
Jens Gehrlein | 8ee4add | 2008-12-16 17:25:55 +0100 | [diff] [blame] | 777 | sector++; |
| 778 | while ((info->start[sector] > addr) && (sector > 0)) |
| 779 | /* |
| 780 | * also decrements the sector in case of an overshot |
| 781 | * in the first loop |
| 782 | */ |
| 783 | sector--; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 784 | |
Jens Gehrlein | 8ee4add | 2008-12-16 17:25:55 +0100 | [diff] [blame] | 785 | saved_sector = sector; |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 786 | saved_info = info; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 787 | return sector; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 788 | } |
| 789 | |
| 790 | /*----------------------------------------------------------------------- |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 791 | */ |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 792 | static int flash_write_cfiword(flash_info_t *info, ulong dest, cfiword_t cword) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 793 | { |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 794 | void *dstaddr = (void *)dest; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 795 | int flag; |
Jens Gehrlein | 1e814cf | 2008-12-16 17:25:54 +0100 | [diff] [blame] | 796 | flash_sect_t sect = 0; |
| 797 | char sect_found = 0; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 798 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 799 | /* Check if Flash is (sufficiently) erased */ |
| 800 | switch (info->portwidth) { |
| 801 | case FLASH_CFI_8BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 802 | flag = ((flash_read8(dstaddr) & cword.w8) == cword.w8); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 803 | break; |
| 804 | case FLASH_CFI_16BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 805 | flag = ((flash_read16(dstaddr) & cword.w16) == cword.w16); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 806 | break; |
| 807 | case FLASH_CFI_32BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 808 | flag = ((flash_read32(dstaddr) & cword.w32) == cword.w32); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 809 | break; |
| 810 | case FLASH_CFI_64BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 811 | flag = ((flash_read64(dstaddr) & cword.w64) == cword.w64); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 812 | break; |
| 813 | default: |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 814 | flag = 0; |
| 815 | break; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 816 | } |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 817 | if (!flag) |
Stefan Roese | 707c146 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 818 | return ERR_NOT_ERASED; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 819 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 820 | /* Disable interrupts which might cause a timeout here */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 821 | flag = disable_interrupts(); |
Stefan Roese | c865e6c | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 822 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 823 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 824 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 825 | case CFI_CMDSET_INTEL_EXTENDED: |
| 826 | case CFI_CMDSET_INTEL_STANDARD: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 827 | flash_write_cmd(info, 0, 0, FLASH_CMD_CLEAR_STATUS); |
| 828 | flash_write_cmd(info, 0, 0, FLASH_CMD_WRITE); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 829 | break; |
| 830 | case CFI_CMDSET_AMD_EXTENDED: |
| 831 | case CFI_CMDSET_AMD_STANDARD: |
Ed Swarthout | 2da1410 | 2008-10-09 01:26:36 -0500 | [diff] [blame] | 832 | sect = find_sector(info, dest); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 833 | flash_unlock_seq(info, sect); |
| 834 | flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_WRITE); |
Jens Gehrlein | 1e814cf | 2008-12-16 17:25:54 +0100 | [diff] [blame] | 835 | sect_found = 1; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 836 | break; |
Po-Yu Chuang | 3f48340 | 2009-07-10 18:03:57 +0800 | [diff] [blame] | 837 | #ifdef CONFIG_FLASH_CFI_LEGACY |
| 838 | case CFI_CMDSET_AMD_LEGACY: |
| 839 | sect = find_sector(info, dest); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 840 | flash_unlock_seq(info, 0); |
| 841 | flash_write_cmd(info, 0, info->addr_unlock1, AMD_CMD_WRITE); |
Po-Yu Chuang | 3f48340 | 2009-07-10 18:03:57 +0800 | [diff] [blame] | 842 | sect_found = 1; |
| 843 | break; |
| 844 | #endif |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 845 | } |
| 846 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 847 | switch (info->portwidth) { |
| 848 | case FLASH_CFI_8BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 849 | flash_write8(cword.w8, dstaddr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 850 | break; |
| 851 | case FLASH_CFI_16BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 852 | flash_write16(cword.w16, dstaddr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 853 | break; |
| 854 | case FLASH_CFI_32BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 855 | flash_write32(cword.w32, dstaddr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 856 | break; |
| 857 | case FLASH_CFI_64BIT: |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 858 | flash_write64(cword.w64, dstaddr); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 859 | break; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 860 | } |
| 861 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 862 | /* re-enable interrupts if necessary */ |
| 863 | if (flag) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 864 | enable_interrupts(); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 865 | |
Jens Gehrlein | 1e814cf | 2008-12-16 17:25:54 +0100 | [diff] [blame] | 866 | if (!sect_found) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 867 | sect = find_sector(info, dest); |
Jens Gehrlein | 1e814cf | 2008-12-16 17:25:54 +0100 | [diff] [blame] | 868 | |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 869 | if (use_flash_status_poll(info)) |
| 870 | return flash_status_poll(info, &cword, dstaddr, |
| 871 | info->write_tout, "write"); |
| 872 | else |
| 873 | return flash_full_status_check(info, sect, |
| 874 | info->write_tout, "write"); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 875 | } |
| 876 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 877 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 878 | |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 879 | static int flash_write_cfibuffer(flash_info_t *info, ulong dest, uchar *cp, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 880 | int len) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 881 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 882 | flash_sect_t sector; |
| 883 | int cnt; |
| 884 | int retcode; |
Mario Six | f4bab85 | 2018-01-26 14:43:49 +0100 | [diff] [blame] | 885 | u8 *src = cp; |
| 886 | u8 *dst = (u8 *)dest; |
| 887 | u8 *dst2 = dst; |
Tao Hou | dd3b455 | 2012-03-15 23:33:58 +0800 | [diff] [blame] | 888 | int flag = 1; |
Guennadi Liakhovetski | 183284f | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 889 | uint offset = 0; |
| 890 | unsigned int shift; |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 891 | uchar write_cmd; |
Stefan Roese | 707c146 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 892 | |
| 893 | switch (info->portwidth) { |
| 894 | case FLASH_CFI_8BIT: |
Guennadi Liakhovetski | 183284f | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 895 | shift = 0; |
Stefan Roese | 707c146 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 896 | break; |
| 897 | case FLASH_CFI_16BIT: |
Guennadi Liakhovetski | 183284f | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 898 | shift = 1; |
Stefan Roese | 707c146 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 899 | break; |
| 900 | case FLASH_CFI_32BIT: |
Guennadi Liakhovetski | 183284f | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 901 | shift = 2; |
Stefan Roese | 707c146 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 902 | break; |
| 903 | case FLASH_CFI_64BIT: |
Guennadi Liakhovetski | 183284f | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 904 | shift = 3; |
Stefan Roese | 707c146 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 905 | break; |
| 906 | default: |
| 907 | retcode = ERR_INVAL; |
| 908 | goto out_unmap; |
| 909 | } |
| 910 | |
Guennadi Liakhovetski | 183284f | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 911 | cnt = len >> shift; |
| 912 | |
Tao Hou | dd3b455 | 2012-03-15 23:33:58 +0800 | [diff] [blame] | 913 | while ((cnt-- > 0) && (flag == 1)) { |
Stefan Roese | 707c146 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 914 | switch (info->portwidth) { |
| 915 | case FLASH_CFI_8BIT: |
| 916 | flag = ((flash_read8(dst2) & flash_read8(src)) == |
| 917 | flash_read8(src)); |
| 918 | src += 1, dst2 += 1; |
| 919 | break; |
| 920 | case FLASH_CFI_16BIT: |
| 921 | flag = ((flash_read16(dst2) & flash_read16(src)) == |
| 922 | flash_read16(src)); |
| 923 | src += 2, dst2 += 2; |
| 924 | break; |
| 925 | case FLASH_CFI_32BIT: |
| 926 | flag = ((flash_read32(dst2) & flash_read32(src)) == |
| 927 | flash_read32(src)); |
| 928 | src += 4, dst2 += 4; |
| 929 | break; |
| 930 | case FLASH_CFI_64BIT: |
| 931 | flag = ((flash_read64(dst2) & flash_read64(src)) == |
| 932 | flash_read64(src)); |
| 933 | src += 8, dst2 += 8; |
| 934 | break; |
| 935 | } |
| 936 | } |
| 937 | if (!flag) { |
| 938 | retcode = ERR_NOT_ERASED; |
| 939 | goto out_unmap; |
| 940 | } |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 941 | |
Stefan Roese | 707c146 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 942 | src = cp; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 943 | sector = find_sector(info, dest); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 944 | |
| 945 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 946 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 947 | case CFI_CMDSET_INTEL_STANDARD: |
| 948 | case CFI_CMDSET_INTEL_EXTENDED: |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 949 | write_cmd = (info->vendor == CFI_CMDSET_INTEL_PROG_REGIONS) ? |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 950 | FLASH_CMD_WRITE_BUFFER_PROG : |
| 951 | FLASH_CMD_WRITE_TO_BUFFER; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 952 | flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); |
| 953 | flash_write_cmd(info, sector, 0, FLASH_CMD_READ_STATUS); |
| 954 | flash_write_cmd(info, sector, 0, write_cmd); |
| 955 | retcode = flash_status_check(info, sector, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 956 | info->buffer_write_tout, |
| 957 | "write to buffer"); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 958 | if (retcode == ERR_OK) { |
| 959 | /* reduce the number of loops by the width of |
Mario Six | 1ec6d34 | 2018-01-26 14:43:41 +0100 | [diff] [blame] | 960 | * the port |
| 961 | */ |
Guennadi Liakhovetski | 183284f | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 962 | cnt = len >> shift; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 963 | flash_write_cmd(info, sector, 0, cnt - 1); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 964 | while (cnt-- > 0) { |
| 965 | switch (info->portwidth) { |
| 966 | case FLASH_CFI_8BIT: |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 967 | flash_write8(flash_read8(src), dst); |
| 968 | src += 1, dst += 1; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 969 | break; |
| 970 | case FLASH_CFI_16BIT: |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 971 | flash_write16(flash_read16(src), dst); |
| 972 | src += 2, dst += 2; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 973 | break; |
| 974 | case FLASH_CFI_32BIT: |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 975 | flash_write32(flash_read32(src), dst); |
| 976 | src += 4, dst += 4; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 977 | break; |
| 978 | case FLASH_CFI_64BIT: |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 979 | flash_write64(flash_read64(src), dst); |
| 980 | src += 8, dst += 8; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 981 | break; |
| 982 | default: |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 983 | retcode = ERR_INVAL; |
| 984 | goto out_unmap; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 985 | } |
| 986 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 987 | flash_write_cmd(info, sector, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 988 | FLASH_CMD_WRITE_BUFFER_CONFIRM); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 989 | retcode = flash_full_status_check( |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 990 | info, sector, info->buffer_write_tout, |
| 991 | "buffer write"); |
| 992 | } |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 993 | |
| 994 | break; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 995 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 996 | case CFI_CMDSET_AMD_STANDARD: |
| 997 | case CFI_CMDSET_AMD_EXTENDED: |
Rouven Behr | b0805e2 | 2016-04-10 13:38:13 +0200 | [diff] [blame] | 998 | flash_unlock_seq(info, sector); |
Guennadi Liakhovetski | 183284f | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 999 | |
| 1000 | #ifdef CONFIG_FLASH_SPANSION_S29WS_N |
| 1001 | offset = ((unsigned long)dst - info->start[sector]) >> shift; |
| 1002 | #endif |
| 1003 | flash_write_cmd(info, sector, offset, AMD_CMD_WRITE_TO_BUFFER); |
| 1004 | cnt = len >> shift; |
John Schmoller | ee35588 | 2009-08-12 10:55:47 -0500 | [diff] [blame] | 1005 | flash_write_cmd(info, sector, offset, cnt - 1); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1006 | |
| 1007 | switch (info->portwidth) { |
| 1008 | case FLASH_CFI_8BIT: |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 1009 | while (cnt-- > 0) { |
| 1010 | flash_write8(flash_read8(src), dst); |
| 1011 | src += 1, dst += 1; |
| 1012 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1013 | break; |
| 1014 | case FLASH_CFI_16BIT: |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 1015 | while (cnt-- > 0) { |
| 1016 | flash_write16(flash_read16(src), dst); |
| 1017 | src += 2, dst += 2; |
| 1018 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1019 | break; |
| 1020 | case FLASH_CFI_32BIT: |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 1021 | while (cnt-- > 0) { |
| 1022 | flash_write32(flash_read32(src), dst); |
| 1023 | src += 4, dst += 4; |
| 1024 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1025 | break; |
| 1026 | case FLASH_CFI_64BIT: |
Haavard Skinnemoen | 21b95b4 | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 1027 | while (cnt-- > 0) { |
| 1028 | flash_write64(flash_read64(src), dst); |
| 1029 | src += 8, dst += 8; |
| 1030 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1031 | break; |
| 1032 | default: |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1033 | retcode = ERR_INVAL; |
| 1034 | goto out_unmap; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1035 | } |
| 1036 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1037 | flash_write_cmd(info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM); |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1038 | if (use_flash_status_poll(info)) |
| 1039 | retcode = flash_status_poll(info, src - (1 << shift), |
| 1040 | dst - (1 << shift), |
| 1041 | info->buffer_write_tout, |
| 1042 | "buffer write"); |
| 1043 | else |
| 1044 | retcode = flash_full_status_check(info, sector, |
| 1045 | info->buffer_write_tout, |
| 1046 | "buffer write"); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1047 | break; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1048 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1049 | default: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1050 | debug("Unknown Command Set\n"); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1051 | retcode = ERR_INVAL; |
| 1052 | break; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1053 | } |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1054 | |
| 1055 | out_unmap: |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1056 | return retcode; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1057 | } |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1058 | #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */ |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1059 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1060 | /*----------------------------------------------------------------------- |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1061 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1062 | int flash_erase(flash_info_t *info, int s_first, int s_last) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1063 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1064 | int rcode = 0; |
| 1065 | int prot; |
| 1066 | flash_sect_t sect; |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1067 | int st; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1068 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1069 | if (info->flash_id != FLASH_MAN_CFI) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1070 | puts("Can't erase unknown flash type - aborted\n"); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1071 | return 1; |
| 1072 | } |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1073 | if (s_first < 0 || s_first > s_last) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1074 | puts("- no sectors to erase\n"); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1075 | return 1; |
| 1076 | } |
Stefan Roese | efef95b | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 1077 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1078 | prot = 0; |
Mario Six | cbe41ca | 2018-01-26 14:43:38 +0100 | [diff] [blame] | 1079 | for (sect = s_first; sect <= s_last; ++sect) |
| 1080 | if (info->protect[sect]) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1081 | prot++; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1082 | if (prot) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1083 | printf("- Warning: %d protected sectors will not be erased!\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1084 | prot); |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1085 | } else if (flash_verbose) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1086 | putc('\n'); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1087 | } |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1088 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1089 | for (sect = s_first; sect <= s_last; sect++) { |
Joe Hershberger | 497c32f | 2012-08-17 15:36:41 -0500 | [diff] [blame] | 1090 | if (ctrlc()) { |
| 1091 | printf("\n"); |
| 1092 | return 1; |
| 1093 | } |
| 1094 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1095 | if (info->protect[sect] == 0) { /* not protected */ |
Joe Hershberger | 7f3c211 | 2012-08-17 15:36:40 -0500 | [diff] [blame] | 1096 | #ifdef CONFIG_SYS_FLASH_CHECK_BLANK_BEFORE_ERASE |
| 1097 | int k; |
| 1098 | int size; |
| 1099 | int erased; |
| 1100 | u32 *flash; |
| 1101 | |
| 1102 | /* |
| 1103 | * Check if whole sector is erased |
| 1104 | */ |
| 1105 | size = flash_sector_size(info, sect); |
| 1106 | erased = 1; |
| 1107 | flash = (u32 *)info->start[sect]; |
| 1108 | /* divide by 4 for longword access */ |
| 1109 | size = size >> 2; |
| 1110 | for (k = 0; k < size; k++) { |
| 1111 | if (flash_read32(flash++) != 0xffffffff) { |
| 1112 | erased = 0; |
| 1113 | break; |
| 1114 | } |
| 1115 | } |
| 1116 | if (erased) { |
| 1117 | if (flash_verbose) |
| 1118 | putc(','); |
| 1119 | continue; |
| 1120 | } |
| 1121 | #endif |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1122 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 1123 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1124 | case CFI_CMDSET_INTEL_STANDARD: |
| 1125 | case CFI_CMDSET_INTEL_EXTENDED: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1126 | flash_write_cmd(info, sect, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1127 | FLASH_CMD_CLEAR_STATUS); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1128 | flash_write_cmd(info, sect, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1129 | FLASH_CMD_BLOCK_ERASE); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1130 | flash_write_cmd(info, sect, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1131 | FLASH_CMD_ERASE_CONFIRM); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1132 | break; |
| 1133 | case CFI_CMDSET_AMD_STANDARD: |
| 1134 | case CFI_CMDSET_AMD_EXTENDED: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1135 | flash_unlock_seq(info, sect); |
| 1136 | flash_write_cmd(info, sect, |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1137 | info->addr_unlock1, |
| 1138 | AMD_CMD_ERASE_START); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1139 | flash_unlock_seq(info, sect); |
| 1140 | flash_write_cmd(info, sect, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1141 | info->cmd_erase_sector); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1142 | break; |
| 1143 | #ifdef CONFIG_FLASH_CFI_LEGACY |
| 1144 | case CFI_CMDSET_AMD_LEGACY: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1145 | flash_unlock_seq(info, 0); |
| 1146 | flash_write_cmd(info, 0, info->addr_unlock1, |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1147 | AMD_CMD_ERASE_START); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1148 | flash_unlock_seq(info, 0); |
| 1149 | flash_write_cmd(info, sect, 0, |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1150 | AMD_CMD_ERASE_SECTOR); |
| 1151 | break; |
| 1152 | #endif |
| 1153 | default: |
Mario Six | acf1208 | 2018-01-26 14:43:44 +0100 | [diff] [blame] | 1154 | debug("Unknown flash vendor %d\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1155 | info->vendor); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1156 | break; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1157 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1158 | |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1159 | if (use_flash_status_poll(info)) { |
Kim Phillips | d303b86 | 2012-10-29 13:34:45 +0000 | [diff] [blame] | 1160 | cfiword_t cword; |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1161 | void *dest; |
Mario Six | c7e359e | 2018-01-26 14:43:37 +0100 | [diff] [blame] | 1162 | |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1163 | cword.w64 = 0xffffffffffffffffULL; |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1164 | dest = flash_map(info, sect, 0); |
| 1165 | st = flash_status_poll(info, &cword, dest, |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 1166 | info->erase_blk_tout, |
| 1167 | "erase"); |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1168 | flash_unmap(info, sect, 0, dest); |
Mario Six | 179b8d6 | 2018-01-26 14:43:43 +0100 | [diff] [blame] | 1169 | } else { |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1170 | st = flash_full_status_check(info, sect, |
| 1171 | info->erase_blk_tout, |
| 1172 | "erase"); |
Mario Six | 179b8d6 | 2018-01-26 14:43:43 +0100 | [diff] [blame] | 1173 | } |
| 1174 | |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1175 | if (st) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1176 | rcode = 1; |
Thomas Chou | 076767a | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1177 | else if (flash_verbose) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1178 | putc('.'); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1179 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1180 | } |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1181 | |
| 1182 | if (flash_verbose) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1183 | puts(" done\n"); |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1184 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1185 | return rcode; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1186 | } |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1187 | |
Stefan Roese | b6f508d | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1188 | #ifdef CONFIG_SYS_FLASH_EMPTY_INFO |
| 1189 | static int sector_erased(flash_info_t *info, int i) |
| 1190 | { |
| 1191 | int k; |
| 1192 | int size; |
Stefan Roese | a9153f2 | 2010-10-25 18:31:39 +0200 | [diff] [blame] | 1193 | u32 *flash; |
Stefan Roese | b6f508d | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1194 | |
| 1195 | /* |
| 1196 | * Check if whole sector is erased |
| 1197 | */ |
| 1198 | size = flash_sector_size(info, i); |
Stefan Roese | a9153f2 | 2010-10-25 18:31:39 +0200 | [diff] [blame] | 1199 | flash = (u32 *)info->start[i]; |
Stefan Roese | b6f508d | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1200 | /* divide by 4 for longword access */ |
| 1201 | size = size >> 2; |
| 1202 | |
| 1203 | for (k = 0; k < size; k++) { |
Stefan Roese | a9153f2 | 2010-10-25 18:31:39 +0200 | [diff] [blame] | 1204 | if (flash_read32(flash++) != 0xffffffff) |
Stefan Roese | b6f508d | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1205 | return 0; /* not erased */ |
| 1206 | } |
| 1207 | |
| 1208 | return 1; /* erased */ |
| 1209 | } |
| 1210 | #endif /* CONFIG_SYS_FLASH_EMPTY_INFO */ |
| 1211 | |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1212 | void flash_print_info(flash_info_t *info) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1213 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1214 | int i; |
wdenk | 369d43d | 2004-03-14 14:09:05 +0000 | [diff] [blame] | 1215 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1216 | if (info->flash_id != FLASH_MAN_CFI) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1217 | puts("missing or unknown FLASH type\n"); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1218 | return; |
| 1219 | } |
| 1220 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1221 | printf("%s flash (%d x %d)", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1222 | info->name, |
| 1223 | (info->portwidth << 3), (info->chipwidth << 3)); |
Mario Six | a828c1e | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 1224 | if (info->size < 1024 * 1024) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1225 | printf(" Size: %ld kB in %d Sectors\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1226 | info->size >> 10, info->sector_count); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1227 | else |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1228 | printf(" Size: %ld MB in %d Sectors\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1229 | info->size >> 20, info->sector_count); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1230 | printf(" "); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1231 | switch (info->vendor) { |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1232 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
| 1233 | printf("Intel Prog Regions"); |
| 1234 | break; |
| 1235 | case CFI_CMDSET_INTEL_STANDARD: |
| 1236 | printf("Intel Standard"); |
| 1237 | break; |
| 1238 | case CFI_CMDSET_INTEL_EXTENDED: |
| 1239 | printf("Intel Extended"); |
| 1240 | break; |
| 1241 | case CFI_CMDSET_AMD_STANDARD: |
| 1242 | printf("AMD Standard"); |
| 1243 | break; |
| 1244 | case CFI_CMDSET_AMD_EXTENDED: |
| 1245 | printf("AMD Extended"); |
| 1246 | break; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1247 | #ifdef CONFIG_FLASH_CFI_LEGACY |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1248 | case CFI_CMDSET_AMD_LEGACY: |
| 1249 | printf("AMD Legacy"); |
| 1250 | break; |
wdenk | 369d43d | 2004-03-14 14:09:05 +0000 | [diff] [blame] | 1251 | #endif |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1252 | default: |
| 1253 | printf("Unknown (%d)", info->vendor); |
| 1254 | break; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1255 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1256 | printf(" command set, Manufacturer ID: 0x%02X, Device ID: 0x", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1257 | info->manufacturer_id); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1258 | printf(info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1259 | info->device_id); |
Heiko Schocher | 27cea50 | 2011-04-11 14:16:19 +0200 | [diff] [blame] | 1260 | if ((info->device_id & 0xff) == 0x7E) { |
| 1261 | printf(info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1262 | info->device_id2); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1263 | } |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1264 | if (info->vendor == CFI_CMDSET_AMD_STANDARD && info->legacy_unlock) |
Stefan Roese | e442a90 | 2012-12-06 15:44:12 +0100 | [diff] [blame] | 1265 | printf("\n Advanced Sector Protection (PPB) enabled"); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1266 | printf("\n Erase timeout: %ld ms, write timeout: %ld ms\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1267 | info->erase_blk_tout, info->write_tout); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1268 | if (info->buffer_size > 1) { |
Mario Six | 246e506 | 2018-01-26 14:43:50 +0100 | [diff] [blame] | 1269 | printf(" Buffer write timeout: %ld ms, ", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1270 | info->buffer_write_tout); |
Mario Six | 246e506 | 2018-01-26 14:43:50 +0100 | [diff] [blame] | 1271 | printf("buffer size: %d bytes\n", info->buffer_size); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1272 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1273 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1274 | puts("\n Sector Start Addresses:"); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1275 | for (i = 0; i < info->sector_count; ++i) { |
Kim Phillips | c8836f1 | 2010-07-26 18:35:39 -0500 | [diff] [blame] | 1276 | if (ctrlc()) |
Stefan Roese | b6f508d | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1277 | break; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1278 | if ((i % 5) == 0) |
Stefan Roese | b6f508d | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1279 | putc('\n'); |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1280 | #ifdef CONFIG_SYS_FLASH_EMPTY_INFO |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1281 | /* print empty and read-only info */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1282 | printf(" %08lX %c %s ", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1283 | info->start[i], |
| 1284 | sector_erased(info, i) ? 'E' : ' ', |
| 1285 | info->protect[i] ? "RO" : " "); |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1286 | #else /* ! CONFIG_SYS_FLASH_EMPTY_INFO */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1287 | printf(" %08lX %s ", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1288 | info->start[i], |
| 1289 | info->protect[i] ? "RO" : " "); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1290 | #endif |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1291 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1292 | putc('\n'); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1293 | } |
| 1294 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1295 | /*----------------------------------------------------------------------- |
Jerry Van Baren | aae7357 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1296 | * This is used in a few places in write_buf() to show programming |
| 1297 | * progress. Making it a function is nasty because it needs to do side |
| 1298 | * effect updates to digit and dots. Repeated code is nasty too, so |
| 1299 | * we define it once here. |
| 1300 | */ |
Stefan Roese | 7758c16 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1301 | #ifdef CONFIG_FLASH_SHOW_PROGRESS |
| 1302 | #define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) \ |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1303 | if (flash_verbose) { \ |
| 1304 | dots -= dots_sub; \ |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1305 | if (scale > 0 && dots <= 0) { \ |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1306 | if ((digit % 5) == 0) \ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1307 | printf("%d", digit / 5); \ |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1308 | else \ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1309 | putc('.'); \ |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1310 | digit--; \ |
| 1311 | dots += scale; \ |
| 1312 | } \ |
Jerry Van Baren | aae7357 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1313 | } |
Stefan Roese | 7758c16 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1314 | #else |
| 1315 | #define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) |
| 1316 | #endif |
Jerry Van Baren | aae7357 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1317 | |
| 1318 | /*----------------------------------------------------------------------- |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1319 | * Copy memory to flash, returns: |
| 1320 | * 0 - OK |
| 1321 | * 1 - write timeout |
| 1322 | * 2 - Flash not erased |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1323 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1324 | int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1325 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1326 | ulong wp; |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1327 | uchar *p; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1328 | int aln; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1329 | cfiword_t cword; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1330 | int i, rc; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1331 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1332 | int buffered_size; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1333 | #endif |
Jerry Van Baren | aae7357 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1334 | #ifdef CONFIG_FLASH_SHOW_PROGRESS |
| 1335 | int digit = CONFIG_FLASH_SHOW_PROGRESS; |
| 1336 | int scale = 0; |
| 1337 | int dots = 0; |
| 1338 | |
| 1339 | /* |
| 1340 | * Suppress if there are fewer than CONFIG_FLASH_SHOW_PROGRESS writes. |
| 1341 | */ |
| 1342 | if (cnt >= CONFIG_FLASH_SHOW_PROGRESS) { |
| 1343 | scale = (int)((cnt + CONFIG_FLASH_SHOW_PROGRESS - 1) / |
| 1344 | CONFIG_FLASH_SHOW_PROGRESS); |
| 1345 | } |
| 1346 | #endif |
| 1347 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1348 | /* get lower aligned address */ |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1349 | wp = (addr & ~(info->portwidth - 1)); |
Haiying Wang | c123a38 | 2007-02-21 16:52:31 +0100 | [diff] [blame] | 1350 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1351 | /* handle unaligned start */ |
Mario Six | 6cf5574 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1352 | aln = addr - wp; |
| 1353 | if (aln != 0) { |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1354 | cword.w32 = 0; |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1355 | p = (uchar *)wp; |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1356 | for (i = 0; i < aln; ++i) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1357 | flash_add_byte(info, &cword, flash_read8(p + i)); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1358 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1359 | for (; (i < info->portwidth) && (cnt > 0); i++) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1360 | flash_add_byte(info, &cword, *src++); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1361 | cnt--; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1362 | } |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1363 | for (; (cnt == 0) && (i < info->portwidth); ++i) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1364 | flash_add_byte(info, &cword, flash_read8(p + i)); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1365 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1366 | rc = flash_write_cfiword(info, wp, cword); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1367 | if (rc != 0) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1368 | return rc; |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1369 | |
| 1370 | wp += i; |
Stefan Roese | 7758c16 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1371 | FLASH_SHOW_PROGRESS(scale, dots, digit, i); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1372 | } |
| 1373 | |
| 1374 | /* handle the aligned part */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1375 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1376 | buffered_size = (info->portwidth / info->chipwidth); |
| 1377 | buffered_size *= info->buffer_size; |
| 1378 | while (cnt >= info->portwidth) { |
| 1379 | /* prohibit buffer write when buffer_size is 1 */ |
| 1380 | if (info->buffer_size == 1) { |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1381 | cword.w32 = 0; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1382 | for (i = 0; i < info->portwidth; i++) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1383 | flash_add_byte(info, &cword, *src++); |
Mario Six | 6cf5574 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1384 | rc = flash_write_cfiword(info, wp, cword); |
| 1385 | if (rc != 0) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1386 | return rc; |
| 1387 | wp += info->portwidth; |
| 1388 | cnt -= info->portwidth; |
| 1389 | continue; |
| 1390 | } |
| 1391 | |
| 1392 | /* write buffer until next buffered_size aligned boundary */ |
| 1393 | i = buffered_size - (wp % buffered_size); |
| 1394 | if (i > cnt) |
| 1395 | i = cnt; |
Mario Six | 6cf5574 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1396 | rc = flash_write_cfibuffer(info, wp, src, i); |
| 1397 | if (rc != ERR_OK) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1398 | return rc; |
| 1399 | i -= i & (info->portwidth - 1); |
| 1400 | wp += i; |
| 1401 | src += i; |
| 1402 | cnt -= i; |
Stefan Roese | 7758c16 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1403 | FLASH_SHOW_PROGRESS(scale, dots, digit, i); |
Joe Hershberger | 497c32f | 2012-08-17 15:36:41 -0500 | [diff] [blame] | 1404 | /* Only check every once in a while */ |
| 1405 | if ((cnt & 0xFFFF) < buffered_size && ctrlc()) |
| 1406 | return ERR_ABORTED; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1407 | } |
| 1408 | #else |
| 1409 | while (cnt >= info->portwidth) { |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1410 | cword.w32 = 0; |
Mario Six | cbe41ca | 2018-01-26 14:43:38 +0100 | [diff] [blame] | 1411 | for (i = 0; i < info->portwidth; i++) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1412 | flash_add_byte(info, &cword, *src++); |
Mario Six | 6cf5574 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1413 | rc = flash_write_cfiword(info, wp, cword); |
| 1414 | if (rc != 0) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1415 | return rc; |
| 1416 | wp += info->portwidth; |
| 1417 | cnt -= info->portwidth; |
Stefan Roese | 7758c16 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1418 | FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth); |
Joe Hershberger | 497c32f | 2012-08-17 15:36:41 -0500 | [diff] [blame] | 1419 | /* Only check every once in a while */ |
| 1420 | if ((cnt & 0xFFFF) < info->portwidth && ctrlc()) |
| 1421 | return ERR_ABORTED; |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1422 | } |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1423 | #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */ |
Jerry Van Baren | aae7357 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1424 | |
Mario Six | cbe41ca | 2018-01-26 14:43:38 +0100 | [diff] [blame] | 1425 | if (cnt == 0) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1426 | return (0); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1427 | |
| 1428 | /* |
| 1429 | * handle unaligned tail bytes |
| 1430 | */ |
Ryan Harkin | 316870c | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1431 | cword.w32 = 0; |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1432 | p = (uchar *)wp; |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1433 | for (i = 0; (i < info->portwidth) && (cnt > 0); ++i) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1434 | flash_add_byte(info, &cword, *src++); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1435 | --cnt; |
| 1436 | } |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1437 | for (; i < info->portwidth; ++i) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1438 | flash_add_byte(info, &cword, flash_read8(p + i)); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1439 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1440 | return flash_write_cfiword(info, wp, cword); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1441 | } |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1442 | |
Stefan Roese | 92b1bca | 2012-12-06 15:44:09 +0100 | [diff] [blame] | 1443 | static inline int manufact_match(flash_info_t *info, u32 manu) |
| 1444 | { |
| 1445 | return info->manufacturer_id == ((manu & FLASH_VENDMASK) >> 16); |
| 1446 | } |
| 1447 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1448 | /*----------------------------------------------------------------------- |
| 1449 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1450 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1451 | |
Holger Brunck | 94c302d | 2012-08-09 10:22:41 +0200 | [diff] [blame] | 1452 | static int cfi_protect_bugfix(flash_info_t *info, long sector, int prot) |
| 1453 | { |
Mario Six | 0c9be97 | 2018-01-26 14:43:39 +0100 | [diff] [blame] | 1454 | if (manufact_match(info, INTEL_MANUFACT) && |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1455 | info->device_id == NUMONYX_256MBIT) { |
Holger Brunck | 94c302d | 2012-08-09 10:22:41 +0200 | [diff] [blame] | 1456 | /* |
| 1457 | * see errata called |
| 1458 | * "Numonyx Axcell P33/P30 Specification Update" :) |
| 1459 | */ |
| 1460 | flash_write_cmd(info, sector, 0, FLASH_CMD_READ_ID); |
| 1461 | if (!flash_isequal(info, sector, FLASH_OFFSET_PROTECT, |
| 1462 | prot)) { |
| 1463 | /* |
| 1464 | * cmd must come before FLASH_CMD_PROTECT + 20us |
| 1465 | * Disable interrupts which might cause a timeout here. |
| 1466 | */ |
| 1467 | int flag = disable_interrupts(); |
| 1468 | unsigned short cmd; |
| 1469 | |
| 1470 | if (prot) |
| 1471 | cmd = FLASH_CMD_PROTECT_SET; |
| 1472 | else |
| 1473 | cmd = FLASH_CMD_PROTECT_CLEAR; |
Andre Przywara | 90723f6 | 2016-11-16 00:50:06 +0000 | [diff] [blame] | 1474 | |
| 1475 | flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT); |
Holger Brunck | 94c302d | 2012-08-09 10:22:41 +0200 | [diff] [blame] | 1476 | flash_write_cmd(info, sector, 0, cmd); |
| 1477 | /* re-enable interrupts if necessary */ |
| 1478 | if (flag) |
| 1479 | enable_interrupts(); |
| 1480 | } |
| 1481 | return 1; |
| 1482 | } |
| 1483 | return 0; |
| 1484 | } |
| 1485 | |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1486 | int flash_real_protect(flash_info_t *info, long sector, int prot) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1487 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1488 | int retcode = 0; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1489 | |
Rafael Campos | 13d2b61 | 2008-07-31 10:22:20 +0200 | [diff] [blame] | 1490 | switch (info->vendor) { |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1491 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
| 1492 | case CFI_CMDSET_INTEL_STANDARD: |
| 1493 | case CFI_CMDSET_INTEL_EXTENDED: |
| 1494 | if (!cfi_protect_bugfix(info, sector, prot)) { |
| 1495 | flash_write_cmd(info, sector, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1496 | FLASH_CMD_CLEAR_STATUS); |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1497 | flash_write_cmd(info, sector, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1498 | FLASH_CMD_PROTECT); |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1499 | if (prot) |
Holger Brunck | 94c302d | 2012-08-09 10:22:41 +0200 | [diff] [blame] | 1500 | flash_write_cmd(info, sector, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1501 | FLASH_CMD_PROTECT_SET); |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1502 | else |
Holger Brunck | 94c302d | 2012-08-09 10:22:41 +0200 | [diff] [blame] | 1503 | flash_write_cmd(info, sector, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1504 | FLASH_CMD_PROTECT_CLEAR); |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1505 | } |
| 1506 | break; |
| 1507 | case CFI_CMDSET_AMD_EXTENDED: |
| 1508 | case CFI_CMDSET_AMD_STANDARD: |
| 1509 | /* U-Boot only checks the first byte */ |
| 1510 | if (manufact_match(info, ATM_MANUFACT)) { |
| 1511 | if (prot) { |
| 1512 | flash_unlock_seq(info, 0); |
| 1513 | flash_write_cmd(info, 0, |
| 1514 | info->addr_unlock1, |
| 1515 | ATM_CMD_SOFTLOCK_START); |
| 1516 | flash_unlock_seq(info, 0); |
| 1517 | flash_write_cmd(info, sector, 0, |
| 1518 | ATM_CMD_LOCK_SECT); |
| 1519 | } else { |
| 1520 | flash_write_cmd(info, 0, |
| 1521 | info->addr_unlock1, |
| 1522 | AMD_CMD_UNLOCK_START); |
| 1523 | if (info->device_id == ATM_ID_BV6416) |
| 1524 | flash_write_cmd(info, sector, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1525 | 0, ATM_CMD_UNLOCK_SECT); |
Philippe De Muyter | ca6cd16 | 2010-08-17 18:40:25 +0200 | [diff] [blame] | 1526 | } |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1527 | } |
| 1528 | if (info->legacy_unlock) { |
| 1529 | int flag = disable_interrupts(); |
| 1530 | int lock_flag; |
| 1531 | |
| 1532 | flash_unlock_seq(info, 0); |
| 1533 | flash_write_cmd(info, 0, info->addr_unlock1, |
| 1534 | AMD_CMD_SET_PPB_ENTRY); |
| 1535 | lock_flag = flash_isset(info, sector, 0, 0x01); |
| 1536 | if (prot) { |
| 1537 | if (lock_flag) { |
| 1538 | flash_write_cmd(info, sector, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1539 | AMD_CMD_PPB_LOCK_BC1); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1540 | flash_write_cmd(info, sector, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1541 | AMD_CMD_PPB_LOCK_BC2); |
Rafael Campos | 13d2b61 | 2008-07-31 10:22:20 +0200 | [diff] [blame] | 1542 | } |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1543 | debug("sector %ld %slocked\n", sector, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1544 | lock_flag ? "" : "already "); |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1545 | } else { |
| 1546 | if (!lock_flag) { |
| 1547 | debug("unlock %ld\n", sector); |
| 1548 | flash_write_cmd(info, 0, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1549 | AMD_CMD_PPB_UNLOCK_BC1); |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1550 | flash_write_cmd(info, 0, 0, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1551 | AMD_CMD_PPB_UNLOCK_BC2); |
Anatolij Gustschin | 041b04f | 2012-08-09 08:18:12 +0200 | [diff] [blame] | 1552 | } |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1553 | debug("sector %ld %sunlocked\n", sector, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1554 | !lock_flag ? "" : "already "); |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1555 | } |
| 1556 | if (flag) |
| 1557 | enable_interrupts(); |
Anatolij Gustschin | 041b04f | 2012-08-09 08:18:12 +0200 | [diff] [blame] | 1558 | |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1559 | if (flash_status_check(info, sector, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1560 | info->erase_blk_tout, |
| 1561 | prot ? "protect" : "unprotect")) |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1562 | printf("status check error\n"); |
Anatolij Gustschin | 041b04f | 2012-08-09 08:18:12 +0200 | [diff] [blame] | 1563 | |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1564 | flash_write_cmd(info, 0, 0, |
| 1565 | AMD_CMD_SET_PPB_EXIT_BC1); |
| 1566 | flash_write_cmd(info, 0, 0, |
| 1567 | AMD_CMD_SET_PPB_EXIT_BC2); |
| 1568 | } |
| 1569 | break; |
TsiChung Liew | b8c1929 | 2008-08-19 16:53:39 +0000 | [diff] [blame] | 1570 | #ifdef CONFIG_FLASH_CFI_LEGACY |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1571 | case CFI_CMDSET_AMD_LEGACY: |
| 1572 | flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); |
| 1573 | flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT); |
| 1574 | if (prot) |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 1575 | flash_write_cmd(info, sector, 0, |
| 1576 | FLASH_CMD_PROTECT_SET); |
Mario Six | 76857f0 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1577 | else |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 1578 | flash_write_cmd(info, sector, 0, |
| 1579 | FLASH_CMD_PROTECT_CLEAR); |
TsiChung Liew | b8c1929 | 2008-08-19 16:53:39 +0000 | [diff] [blame] | 1580 | #endif |
Rafael Campos | 13d2b61 | 2008-07-31 10:22:20 +0200 | [diff] [blame] | 1581 | }; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1582 | |
Stefan Roese | 5215df1 | 2010-10-25 18:31:29 +0200 | [diff] [blame] | 1583 | /* |
| 1584 | * Flash needs to be in status register read mode for |
| 1585 | * flash_full_status_check() to work correctly |
| 1586 | */ |
| 1587 | flash_write_cmd(info, sector, 0, FLASH_CMD_READ_STATUS); |
Mario Six | 6cf5574 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1588 | retcode = flash_full_status_check(info, sector, info->erase_blk_tout, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1589 | prot ? "protect" : "unprotect"); |
Mario Six | 6cf5574 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1590 | if (retcode == 0) { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1591 | info->protect[sector] = prot; |
| 1592 | |
| 1593 | /* |
| 1594 | * On some of Intel's flash chips (marked via legacy_unlock) |
| 1595 | * unprotect unprotects all locking. |
| 1596 | */ |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1597 | if (prot == 0 && info->legacy_unlock) { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1598 | flash_sect_t i; |
| 1599 | |
| 1600 | for (i = 0; i < info->sector_count; i++) { |
| 1601 | if (info->protect[i]) |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1602 | flash_real_protect(info, i, 1); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1603 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1604 | } |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1605 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1606 | return retcode; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1607 | } |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1608 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1609 | /*----------------------------------------------------------------------- |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1610 | * flash_read_user_serial - read the OneTimeProgramming cells |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1611 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1612 | void flash_read_user_serial(flash_info_t *info, void *buffer, int offset, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1613 | int len) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1614 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1615 | uchar *src; |
| 1616 | uchar *dst; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1617 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1618 | dst = buffer; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1619 | src = flash_map(info, 0, FLASH_OFFSET_USER_PROTECTION); |
| 1620 | flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID); |
| 1621 | memcpy(dst, src + offset, len); |
| 1622 | flash_write_cmd(info, 0, 0, info->cmd_reset); |
Aaron Williams | ffcef2f | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1623 | udelay(1); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1624 | flash_unmap(info, 0, FLASH_OFFSET_USER_PROTECTION, src); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1625 | } |
| 1626 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1627 | /* |
| 1628 | * flash_read_factory_serial - read the device Id from the protection area |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1629 | */ |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1630 | void flash_read_factory_serial(flash_info_t *info, void *buffer, int offset, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1631 | int len) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1632 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1633 | uchar *src; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1634 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1635 | src = flash_map(info, 0, FLASH_OFFSET_INTEL_PROTECTION); |
| 1636 | flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID); |
| 1637 | memcpy(buffer, src + offset, len); |
| 1638 | flash_write_cmd(info, 0, 0, info->cmd_reset); |
Aaron Williams | ffcef2f | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1639 | udelay(1); |
Haavard Skinnemoen | e3ea188 | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1640 | flash_unmap(info, 0, FLASH_OFFSET_INTEL_PROTECTION, src); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1641 | } |
| 1642 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1643 | #endif /* CONFIG_SYS_FLASH_PROTECTION */ |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1644 | |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1645 | /*----------------------------------------------------------------------- |
| 1646 | * Reverse the order of the erase regions in the CFI QRY structure. |
| 1647 | * This is needed for chips that are either a) correctly detected as |
| 1648 | * top-boot, or b) buggy. |
| 1649 | */ |
| 1650 | static void cfi_reverse_geometry(struct cfi_qry *qry) |
| 1651 | { |
| 1652 | unsigned int i, j; |
| 1653 | u32 tmp; |
| 1654 | |
| 1655 | for (i = 0, j = qry->num_erase_regions - 1; i < j; i++, j--) { |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1656 | tmp = get_unaligned(&qry->erase_region_info[i]); |
| 1657 | put_unaligned(get_unaligned(&qry->erase_region_info[j]), |
| 1658 | &qry->erase_region_info[i]); |
| 1659 | put_unaligned(tmp, &qry->erase_region_info[j]); |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1660 | } |
| 1661 | } |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1662 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1663 | /*----------------------------------------------------------------------- |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1664 | * read jedec ids from device and set corresponding fields in info struct |
| 1665 | * |
| 1666 | * Note: assume cfi->vendor, cfi->portwidth and cfi->chipwidth are correct |
| 1667 | * |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1668 | */ |
| 1669 | static void cmdset_intel_read_jedec_ids(flash_info_t *info) |
| 1670 | { |
| 1671 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); |
Aaron Williams | ffcef2f | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1672 | udelay(1); |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1673 | flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID); |
| 1674 | udelay(1000); /* some flash are slow to respond */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1675 | info->manufacturer_id = flash_read_uchar(info, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1676 | FLASH_OFFSET_MANUFACTURER_ID); |
Philippe De Muyter | 35bc081 | 2010-08-10 16:54:52 +0200 | [diff] [blame] | 1677 | info->device_id = (info->chipwidth == FLASH_CFI_16BIT) ? |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1678 | flash_read_word(info, FLASH_OFFSET_DEVICE_ID) : |
| 1679 | flash_read_uchar(info, FLASH_OFFSET_DEVICE_ID); |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1680 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); |
| 1681 | } |
| 1682 | |
| 1683 | static int cmdset_intel_init(flash_info_t *info, struct cfi_qry *qry) |
| 1684 | { |
| 1685 | info->cmd_reset = FLASH_CMD_RESET; |
| 1686 | |
| 1687 | cmdset_intel_read_jedec_ids(info); |
| 1688 | flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI); |
| 1689 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1690 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1691 | /* read legacy lock/unlock bit from intel flash */ |
| 1692 | if (info->ext_addr) { |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1693 | info->legacy_unlock = |
| 1694 | flash_read_uchar(info, info->ext_addr + 5) & 0x08; |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1695 | } |
| 1696 | #endif |
| 1697 | |
| 1698 | return 0; |
| 1699 | } |
| 1700 | |
| 1701 | static void cmdset_amd_read_jedec_ids(flash_info_t *info) |
| 1702 | { |
Mario Six | f8783d2 | 2018-01-26 14:43:51 +0100 | [diff] [blame] | 1703 | ushort bank_id = 0; |
| 1704 | uchar manu_id; |
York Sun | de067cd | 2017-11-18 11:09:08 -0800 | [diff] [blame] | 1705 | uchar feature; |
Niklaus Giger | f447f71 | 2009-07-22 17:13:24 +0200 | [diff] [blame] | 1706 | |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1707 | flash_write_cmd(info, 0, 0, AMD_CMD_RESET); |
| 1708 | flash_unlock_seq(info, 0); |
| 1709 | flash_write_cmd(info, 0, info->addr_unlock1, FLASH_CMD_READ_ID); |
| 1710 | udelay(1000); /* some flash are slow to respond */ |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1711 | |
Mario Six | f8783d2 | 2018-01-26 14:43:51 +0100 | [diff] [blame] | 1712 | manu_id = flash_read_uchar(info, FLASH_OFFSET_MANUFACTURER_ID); |
Niklaus Giger | f447f71 | 2009-07-22 17:13:24 +0200 | [diff] [blame] | 1713 | /* JEDEC JEP106Z specifies ID codes up to bank 7 */ |
Mario Six | f8783d2 | 2018-01-26 14:43:51 +0100 | [diff] [blame] | 1714 | while (manu_id == FLASH_CONTINUATION_CODE && bank_id < 0x800) { |
| 1715 | bank_id += 0x100; |
| 1716 | manu_id = flash_read_uchar(info, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1717 | bank_id | FLASH_OFFSET_MANUFACTURER_ID); |
Niklaus Giger | f447f71 | 2009-07-22 17:13:24 +0200 | [diff] [blame] | 1718 | } |
Mario Six | f8783d2 | 2018-01-26 14:43:51 +0100 | [diff] [blame] | 1719 | info->manufacturer_id = manu_id; |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1720 | |
York Sun | de067cd | 2017-11-18 11:09:08 -0800 | [diff] [blame] | 1721 | debug("info->ext_addr = 0x%x, cfi_version = 0x%x\n", |
| 1722 | info->ext_addr, info->cfi_version); |
| 1723 | if (info->ext_addr && info->cfi_version >= 0x3134) { |
| 1724 | /* read software feature (at 0x53) */ |
| 1725 | feature = flash_read_uchar(info, info->ext_addr + 0x13); |
| 1726 | debug("feature = 0x%x\n", feature); |
| 1727 | info->sr_supported = feature & 0x1; |
| 1728 | } |
Marek Vasut | 9b71847 | 2017-09-12 19:09:31 +0200 | [diff] [blame] | 1729 | |
Mario Six | e2c0746 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 1730 | switch (info->chipwidth) { |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1731 | case FLASH_CFI_8BIT: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1732 | info->device_id = flash_read_uchar(info, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1733 | FLASH_OFFSET_DEVICE_ID); |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1734 | if (info->device_id == 0x7E) { |
| 1735 | /* AMD 3-byte (expanded) device ids */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1736 | info->device_id2 = flash_read_uchar(info, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1737 | FLASH_OFFSET_DEVICE_ID2); |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1738 | info->device_id2 <<= 8; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1739 | info->device_id2 |= flash_read_uchar(info, |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1740 | FLASH_OFFSET_DEVICE_ID3); |
| 1741 | } |
| 1742 | break; |
| 1743 | case FLASH_CFI_16BIT: |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1744 | info->device_id = flash_read_word(info, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1745 | FLASH_OFFSET_DEVICE_ID); |
Heiko Schocher | 27cea50 | 2011-04-11 14:16:19 +0200 | [diff] [blame] | 1746 | if ((info->device_id & 0xff) == 0x7E) { |
| 1747 | /* AMD 3-byte (expanded) device ids */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1748 | info->device_id2 = flash_read_uchar(info, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1749 | FLASH_OFFSET_DEVICE_ID2); |
Heiko Schocher | 27cea50 | 2011-04-11 14:16:19 +0200 | [diff] [blame] | 1750 | info->device_id2 <<= 8; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1751 | info->device_id2 |= flash_read_uchar(info, |
Heiko Schocher | 27cea50 | 2011-04-11 14:16:19 +0200 | [diff] [blame] | 1752 | FLASH_OFFSET_DEVICE_ID3); |
| 1753 | } |
Tor Krill | 7f2a305 | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1754 | break; |
| 1755 | default: |
| 1756 | break; |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1757 | } |
| 1758 | flash_write_cmd(info, 0, 0, AMD_CMD_RESET); |
Aaron Williams | ffcef2f | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1759 | udelay(1); |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1760 | } |
| 1761 | |
| 1762 | static int cmdset_amd_init(flash_info_t *info, struct cfi_qry *qry) |
| 1763 | { |
| 1764 | info->cmd_reset = AMD_CMD_RESET; |
Angelo Dureghello | 7ba3028 | 2012-12-01 01:14:18 +0100 | [diff] [blame] | 1765 | info->cmd_erase_sector = AMD_CMD_ERASE_SECTOR; |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1766 | |
| 1767 | cmdset_amd_read_jedec_ids(info); |
| 1768 | flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI); |
| 1769 | |
Anatolij Gustschin | 041b04f | 2012-08-09 08:18:12 +0200 | [diff] [blame] | 1770 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Stefan Roese | 7de6584 | 2012-12-06 15:44:11 +0100 | [diff] [blame] | 1771 | if (info->ext_addr) { |
| 1772 | /* read sector protect/unprotect scheme (at 0x49) */ |
| 1773 | if (flash_read_uchar(info, info->ext_addr + 9) == 0x8) |
Anatolij Gustschin | 041b04f | 2012-08-09 08:18:12 +0200 | [diff] [blame] | 1774 | info->legacy_unlock = 1; |
| 1775 | } |
| 1776 | #endif |
| 1777 | |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1778 | return 0; |
| 1779 | } |
| 1780 | |
| 1781 | #ifdef CONFIG_FLASH_CFI_LEGACY |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1782 | static void flash_read_jedec_ids(flash_info_t *info) |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1783 | { |
| 1784 | info->manufacturer_id = 0; |
| 1785 | info->device_id = 0; |
| 1786 | info->device_id2 = 0; |
| 1787 | |
| 1788 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 1789 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1790 | case CFI_CMDSET_INTEL_STANDARD: |
| 1791 | case CFI_CMDSET_INTEL_EXTENDED: |
Michael Schwingen | 5fb0aa4 | 2008-01-12 20:29:47 +0100 | [diff] [blame] | 1792 | cmdset_intel_read_jedec_ids(info); |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1793 | break; |
| 1794 | case CFI_CMDSET_AMD_STANDARD: |
| 1795 | case CFI_CMDSET_AMD_EXTENDED: |
Michael Schwingen | 5fb0aa4 | 2008-01-12 20:29:47 +0100 | [diff] [blame] | 1796 | cmdset_amd_read_jedec_ids(info); |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1797 | break; |
| 1798 | default: |
| 1799 | break; |
| 1800 | } |
| 1801 | } |
| 1802 | |
| 1803 | /*----------------------------------------------------------------------- |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1804 | * Call board code to request info about non-CFI flash. |
| 1805 | * board_flash_get_legacy needs to fill in at least: |
| 1806 | * info->portwidth, info->chipwidth and info->interface for Jedec probing. |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1807 | */ |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1808 | static int flash_detect_legacy(phys_addr_t base, int banknum) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1809 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1810 | flash_info_t *info = &flash_info[banknum]; |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1811 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1812 | if (board_flash_get_legacy(base, banknum, info)) { |
| 1813 | /* board code may have filled info completely. If not, we |
Mario Six | 1ec6d34 | 2018-01-26 14:43:41 +0100 | [diff] [blame] | 1814 | * use JEDEC ID probing. |
| 1815 | */ |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1816 | if (!info->vendor) { |
| 1817 | int modes[] = { |
| 1818 | CFI_CMDSET_AMD_STANDARD, |
| 1819 | CFI_CMDSET_INTEL_STANDARD |
| 1820 | }; |
| 1821 | int i; |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1822 | |
Axel Lin | 85706c8 | 2013-06-23 00:56:46 +0800 | [diff] [blame] | 1823 | for (i = 0; i < ARRAY_SIZE(modes); i++) { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1824 | info->vendor = modes[i]; |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1825 | info->start[0] = |
| 1826 | (ulong)map_physmem(base, |
Stefan Roese | b844370 | 2009-02-05 11:44:52 +0100 | [diff] [blame] | 1827 | info->portwidth, |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1828 | MAP_NOCACHE); |
Mario Six | 0c9be97 | 2018-01-26 14:43:39 +0100 | [diff] [blame] | 1829 | if (info->portwidth == FLASH_CFI_8BIT && |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1830 | info->interface == FLASH_CFI_X8X16) { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1831 | info->addr_unlock1 = 0x2AAA; |
| 1832 | info->addr_unlock2 = 0x5555; |
| 1833 | } else { |
| 1834 | info->addr_unlock1 = 0x5555; |
| 1835 | info->addr_unlock2 = 0x2AAA; |
| 1836 | } |
| 1837 | flash_read_jedec_ids(info); |
| 1838 | debug("JEDEC PROBE: ID %x %x %x\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1839 | info->manufacturer_id, |
| 1840 | info->device_id, |
| 1841 | info->device_id2); |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1842 | if (jedec_flash_match(info, info->start[0])) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1843 | break; |
Mario Six | 411ede3 | 2018-01-26 14:43:45 +0100 | [diff] [blame] | 1844 | |
| 1845 | unmap_physmem((void *)info->start[0], |
| 1846 | info->portwidth); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1847 | } |
| 1848 | } |
| 1849 | |
Mario Six | e2c0746 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 1850 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 1851 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1852 | case CFI_CMDSET_INTEL_STANDARD: |
| 1853 | case CFI_CMDSET_INTEL_EXTENDED: |
| 1854 | info->cmd_reset = FLASH_CMD_RESET; |
| 1855 | break; |
| 1856 | case CFI_CMDSET_AMD_STANDARD: |
| 1857 | case CFI_CMDSET_AMD_EXTENDED: |
| 1858 | case CFI_CMDSET_AMD_LEGACY: |
| 1859 | info->cmd_reset = AMD_CMD_RESET; |
| 1860 | break; |
| 1861 | } |
| 1862 | info->flash_id = FLASH_MAN_CFI; |
| 1863 | return 1; |
| 1864 | } |
| 1865 | return 0; /* use CFI */ |
| 1866 | } |
| 1867 | #else |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1868 | static inline int flash_detect_legacy(phys_addr_t base, int banknum) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1869 | { |
| 1870 | return 0; /* use CFI */ |
| 1871 | } |
| 1872 | #endif |
| 1873 | |
| 1874 | /*----------------------------------------------------------------------- |
| 1875 | * detect if flash is compatible with the Common Flash Interface (CFI) |
| 1876 | * http://www.jedec.org/download/search/jesd68.pdf |
| 1877 | */ |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1878 | static void flash_read_cfi(flash_info_t *info, void *buf, unsigned int start, |
| 1879 | size_t len) |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 1880 | { |
| 1881 | u8 *p = buf; |
| 1882 | unsigned int i; |
| 1883 | |
| 1884 | for (i = 0; i < len; i++) |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1885 | p[i] = flash_read_uchar(info, start + i); |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 1886 | } |
Stefan Roese | 6e83e34 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 1887 | |
Kim Phillips | d303b86 | 2012-10-29 13:34:45 +0000 | [diff] [blame] | 1888 | static void __flash_cmd_reset(flash_info_t *info) |
Stefan Roese | 6e83e34 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 1889 | { |
| 1890 | /* |
| 1891 | * We do not yet know what kind of commandset to use, so we issue |
| 1892 | * the reset command in both Intel and AMD variants, in the hope |
| 1893 | * that AMD flash roms ignore the Intel command. |
| 1894 | */ |
| 1895 | flash_write_cmd(info, 0, 0, AMD_CMD_RESET); |
Aaron Williams | ffcef2f | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1896 | udelay(1); |
Stefan Roese | 6e83e34 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 1897 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); |
| 1898 | } |
Mario Six | c7e359e | 2018-01-26 14:43:37 +0100 | [diff] [blame] | 1899 | |
Stefan Roese | 6e83e34 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 1900 | void flash_cmd_reset(flash_info_t *info) |
Mario Six | a828c1e | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 1901 | __attribute__((weak, alias("__flash_cmd_reset"))); |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 1902 | |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1903 | static int __flash_detect_cfi(flash_info_t *info, struct cfi_qry *qry) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1904 | { |
| 1905 | int cfi_offset; |
| 1906 | |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1907 | /* Issue FLASH reset command */ |
| 1908 | flash_cmd_reset(info); |
| 1909 | |
Axel Lin | 85706c8 | 2013-06-23 00:56:46 +0800 | [diff] [blame] | 1910 | for (cfi_offset = 0; cfi_offset < ARRAY_SIZE(flash_offset_cfi); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1911 | cfi_offset++) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1912 | flash_write_cmd(info, 0, flash_offset_cfi[cfi_offset], |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1913 | FLASH_CMD_CFI); |
Mario Six | 0c9be97 | 2018-01-26 14:43:39 +0100 | [diff] [blame] | 1914 | if (flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP, 'Q') && |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 1915 | flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') && |
| 1916 | flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) { |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1917 | flash_read_cfi(info, qry, FLASH_OFFSET_CFI_RESP, |
| 1918 | sizeof(struct cfi_qry)); |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 1919 | info->interface = le16_to_cpu(qry->interface_desc); |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1920 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1921 | info->cfi_offset = flash_offset_cfi[cfi_offset]; |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1922 | debug("device interface is %d\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1923 | info->interface); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1924 | debug("found port %d chip %d ", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1925 | info->portwidth, info->chipwidth); |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1926 | debug("port %d bits chip %d bits\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1927 | info->portwidth << CFI_FLASH_SHIFT_WIDTH, |
| 1928 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1929 | |
| 1930 | /* calculate command offsets as in the Linux driver */ |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1931 | info->addr_unlock1 = 0x555; |
| 1932 | info->addr_unlock2 = 0x2aa; |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1933 | |
| 1934 | /* |
| 1935 | * modify the unlock address if we are |
| 1936 | * in compatibility mode |
| 1937 | */ |
Mario Six | e2c0746 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 1938 | if (/* x8/x16 in x8 mode */ |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1939 | (info->chipwidth == FLASH_CFI_BY8 && |
| 1940 | info->interface == FLASH_CFI_X8X16) || |
Mario Six | e2c0746 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 1941 | /* x16/x32 in x16 mode */ |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1942 | (info->chipwidth == FLASH_CFI_BY16 && |
Mario Six | c4b85c3 | 2018-01-26 14:43:46 +0100 | [diff] [blame] | 1943 | info->interface == FLASH_CFI_X16X32)) { |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1944 | info->addr_unlock1 = 0xaaa; |
| 1945 | info->addr_unlock2 = 0x555; |
| 1946 | } |
| 1947 | |
| 1948 | info->name = "CFI conformant"; |
| 1949 | return 1; |
| 1950 | } |
| 1951 | } |
| 1952 | |
| 1953 | return 0; |
| 1954 | } |
| 1955 | |
Mario Six | 88f439f | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1956 | static int flash_detect_cfi(flash_info_t *info, struct cfi_qry *qry) |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1957 | { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1958 | debug("flash detect cfi\n"); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1959 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1960 | for (info->portwidth = CONFIG_SYS_FLASH_CFI_WIDTH; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1961 | info->portwidth <= FLASH_CFI_64BIT; info->portwidth <<= 1) { |
| 1962 | for (info->chipwidth = FLASH_CFI_BY8; |
| 1963 | info->chipwidth <= info->portwidth; |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1964 | info->chipwidth <<= 1) |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1965 | if (__flash_detect_cfi(info, qry)) |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1966 | return 1; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1967 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1968 | debug("not found\n"); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1969 | return 0; |
| 1970 | } |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1971 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1972 | /* |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 1973 | * Manufacturer-specific quirks. Add workarounds for geometry |
| 1974 | * reversal, etc. here. |
| 1975 | */ |
| 1976 | static void flash_fixup_amd(flash_info_t *info, struct cfi_qry *qry) |
| 1977 | { |
| 1978 | /* check if flash geometry needs reversal */ |
| 1979 | if (qry->num_erase_regions > 1) { |
| 1980 | /* reverse geometry if top boot part */ |
| 1981 | if (info->cfi_version < 0x3131) { |
| 1982 | /* CFI < 1.1, try to guess from device id */ |
| 1983 | if ((info->device_id & 0x80) != 0) |
| 1984 | cfi_reverse_geometry(qry); |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1985 | } else if (flash_read_uchar(info, info->ext_addr + 0xf) == 3) { |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 1986 | /* CFI >= 1.1, deduct from top/bottom flag */ |
| 1987 | /* note: ext_addr is valid since cfi_version > 0 */ |
| 1988 | cfi_reverse_geometry(qry); |
| 1989 | } |
| 1990 | } |
| 1991 | } |
| 1992 | |
| 1993 | static void flash_fixup_atmel(flash_info_t *info, struct cfi_qry *qry) |
| 1994 | { |
| 1995 | int reverse_geometry = 0; |
| 1996 | |
| 1997 | /* Check the "top boot" bit in the PRI */ |
| 1998 | if (info->ext_addr && !(flash_read_uchar(info, info->ext_addr + 6) & 1)) |
| 1999 | reverse_geometry = 1; |
| 2000 | |
| 2001 | /* AT49BV6416(T) list the erase regions in the wrong order. |
| 2002 | * However, the device ID is identical with the non-broken |
Ulf Samuelsson | 07f9b4e | 2009-03-27 23:26:43 +0100 | [diff] [blame] | 2003 | * AT49BV642D they differ in the high byte. |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2004 | */ |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2005 | if (info->device_id == 0xd6 || info->device_id == 0xd2) |
| 2006 | reverse_geometry = !reverse_geometry; |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2007 | |
| 2008 | if (reverse_geometry) |
| 2009 | cfi_reverse_geometry(qry); |
| 2010 | } |
| 2011 | |
Richard Retanubun | be4dca2 | 2009-01-14 08:44:26 -0500 | [diff] [blame] | 2012 | static void flash_fixup_stm(flash_info_t *info, struct cfi_qry *qry) |
| 2013 | { |
| 2014 | /* check if flash geometry needs reversal */ |
| 2015 | if (qry->num_erase_regions > 1) { |
| 2016 | /* reverse geometry if top boot part */ |
| 2017 | if (info->cfi_version < 0x3131) { |
Mike Frysinger | 02a3786 | 2011-04-10 16:06:29 -0400 | [diff] [blame] | 2018 | /* CFI < 1.1, guess by device id */ |
| 2019 | if (info->device_id == 0x22CA || /* M29W320DT */ |
| 2020 | info->device_id == 0x2256 || /* M29W320ET */ |
| 2021 | info->device_id == 0x22D7) { /* M29W800DT */ |
Richard Retanubun | be4dca2 | 2009-01-14 08:44:26 -0500 | [diff] [blame] | 2022 | cfi_reverse_geometry(qry); |
| 2023 | } |
Mike Frysinger | 97dd899 | 2011-05-09 18:33:36 -0400 | [diff] [blame] | 2024 | } else if (flash_read_uchar(info, info->ext_addr + 0xf) == 3) { |
| 2025 | /* CFI >= 1.1, deduct from top/bottom flag */ |
| 2026 | /* note: ext_addr is valid since cfi_version > 0 */ |
| 2027 | cfi_reverse_geometry(qry); |
Richard Retanubun | be4dca2 | 2009-01-14 08:44:26 -0500 | [diff] [blame] | 2028 | } |
| 2029 | } |
| 2030 | } |
| 2031 | |
Angelo Dureghello | 7ba3028 | 2012-12-01 01:14:18 +0100 | [diff] [blame] | 2032 | static void flash_fixup_sst(flash_info_t *info, struct cfi_qry *qry) |
| 2033 | { |
| 2034 | /* |
| 2035 | * SST, for many recent nor parallel flashes, says they are |
| 2036 | * CFI-conformant. This is not true, since qry struct. |
| 2037 | * reports a std. AMD command set (0x0002), while SST allows to |
| 2038 | * erase two different sector sizes for the same memory. |
| 2039 | * 64KB sector (SST call it block) needs 0x30 to be erased. |
| 2040 | * 4KB sector (SST call it sector) needs 0x50 to be erased. |
| 2041 | * Since CFI query detect the 4KB number of sectors, users expects |
| 2042 | * a sector granularity of 4KB, and it is here set. |
| 2043 | */ |
| 2044 | if (info->device_id == 0x5D23 || /* SST39VF3201B */ |
| 2045 | info->device_id == 0x5C23) { /* SST39VF3202B */ |
| 2046 | /* set sector granularity to 4KB */ |
Mario Six | a828c1e | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 2047 | info->cmd_erase_sector = 0x50; |
Angelo Dureghello | 7ba3028 | 2012-12-01 01:14:18 +0100 | [diff] [blame] | 2048 | } |
| 2049 | } |
| 2050 | |
Jagannadha Sutradharudu Teki | 130def3 | 2013-03-01 16:54:26 +0530 | [diff] [blame] | 2051 | static void flash_fixup_num(flash_info_t *info, struct cfi_qry *qry) |
| 2052 | { |
| 2053 | /* |
| 2054 | * The M29EW devices seem to report the CFI information wrong |
| 2055 | * when it's in 8 bit mode. |
| 2056 | * There's an app note from Numonyx on this issue. |
| 2057 | * So adjust the buffer size for M29EW while operating in 8-bit mode |
| 2058 | */ |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2059 | if (qry->max_buf_write_size > 0x8 && |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2060 | info->device_id == 0x7E && |
| 2061 | (info->device_id2 == 0x2201 || |
| 2062 | info->device_id2 == 0x2301 || |
| 2063 | info->device_id2 == 0x2801 || |
| 2064 | info->device_id2 == 0x4801)) { |
Mario Six | 246e506 | 2018-01-26 14:43:50 +0100 | [diff] [blame] | 2065 | debug("Adjusted buffer size on Numonyx flash"); |
| 2066 | debug(" M29EW family in 8 bit mode\n"); |
Jagannadha Sutradharudu Teki | 130def3 | 2013-03-01 16:54:26 +0530 | [diff] [blame] | 2067 | qry->max_buf_write_size = 0x8; |
| 2068 | } |
| 2069 | } |
| 2070 | |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2071 | /* |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2072 | * The following code cannot be run from FLASH! |
| 2073 | * |
| 2074 | */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2075 | ulong flash_get_size(phys_addr_t base, int banknum) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2076 | { |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2077 | flash_info_t *info = &flash_info[banknum]; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2078 | int i, j; |
| 2079 | flash_sect_t sect_cnt; |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 2080 | phys_addr_t sector; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2081 | unsigned long tmp; |
| 2082 | int size_ratio; |
| 2083 | uchar num_erase_regions; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2084 | int erase_region_size; |
| 2085 | int erase_region_count; |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2086 | struct cfi_qry qry; |
Anatolij Gustschin | 6acb77b | 2010-11-28 02:13:33 +0100 | [diff] [blame] | 2087 | unsigned long max_size; |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2088 | |
Kumar Gala | 899032b | 2008-05-15 15:13:08 -0500 | [diff] [blame] | 2089 | memset(&qry, 0, sizeof(qry)); |
| 2090 | |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2091 | info->ext_addr = 0; |
| 2092 | info->cfi_version = 0; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2093 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Stefan Roese | efef95b | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 2094 | info->legacy_unlock = 0; |
| 2095 | #endif |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2096 | |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 2097 | info->start[0] = (ulong)map_physmem(base, info->portwidth, MAP_NOCACHE); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2098 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2099 | if (flash_detect_cfi(info, &qry)) { |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2100 | info->vendor = le16_to_cpu(get_unaligned(&qry.p_id)); |
| 2101 | info->ext_addr = le16_to_cpu(get_unaligned(&qry.p_adr)); |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2102 | num_erase_regions = qry.num_erase_regions; |
| 2103 | |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2104 | if (info->ext_addr) { |
Mario Six | a828c1e | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 2105 | info->cfi_version = (ushort)flash_read_uchar(info, |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 2106 | info->ext_addr + 3) << 8; |
Mario Six | a828c1e | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 2107 | info->cfi_version |= (ushort)flash_read_uchar(info, |
Stefan Roese | 70a90b7 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 2108 | info->ext_addr + 4); |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2109 | } |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2110 | |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2111 | #ifdef DEBUG |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2112 | flash_printqry(&qry); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2113 | #endif |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2114 | |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2115 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 2116 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2117 | case CFI_CMDSET_INTEL_STANDARD: |
| 2118 | case CFI_CMDSET_INTEL_EXTENDED: |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2119 | cmdset_intel_init(info, &qry); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2120 | break; |
| 2121 | case CFI_CMDSET_AMD_STANDARD: |
| 2122 | case CFI_CMDSET_AMD_EXTENDED: |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2123 | cmdset_amd_init(info, &qry); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2124 | break; |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2125 | default: |
| 2126 | printf("CFI: Unknown command set 0x%x\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2127 | info->vendor); |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2128 | /* |
| 2129 | * Unfortunately, this means we don't know how |
| 2130 | * to get the chip back to Read mode. Might |
| 2131 | * as well try an Intel-style reset... |
| 2132 | */ |
| 2133 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); |
| 2134 | return 0; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2135 | } |
wdenk | 6cfa84e | 2004-02-10 00:03:41 +0000 | [diff] [blame] | 2136 | |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2137 | /* Do manufacturer-specific fixups */ |
| 2138 | switch (info->manufacturer_id) { |
Mario Schuknecht | 5c3579e | 2011-02-21 13:13:14 +0100 | [diff] [blame] | 2139 | case 0x0001: /* AMD */ |
| 2140 | case 0x0037: /* AMIC */ |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2141 | flash_fixup_amd(info, &qry); |
| 2142 | break; |
| 2143 | case 0x001f: |
| 2144 | flash_fixup_atmel(info, &qry); |
| 2145 | break; |
Richard Retanubun | be4dca2 | 2009-01-14 08:44:26 -0500 | [diff] [blame] | 2146 | case 0x0020: |
| 2147 | flash_fixup_stm(info, &qry); |
| 2148 | break; |
Angelo Dureghello | 7ba3028 | 2012-12-01 01:14:18 +0100 | [diff] [blame] | 2149 | case 0x00bf: /* SST */ |
| 2150 | flash_fixup_sst(info, &qry); |
| 2151 | break; |
Jagannadha Sutradharudu Teki | 130def3 | 2013-03-01 16:54:26 +0530 | [diff] [blame] | 2152 | case 0x0089: /* Numonyx */ |
| 2153 | flash_fixup_num(info, &qry); |
| 2154 | break; |
Haavard Skinnemoen | 750ea7f | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2155 | } |
| 2156 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2157 | debug("manufacturer is %d\n", info->vendor); |
| 2158 | debug("manufacturer id is 0x%x\n", info->manufacturer_id); |
| 2159 | debug("device id is 0x%x\n", info->device_id); |
| 2160 | debug("device id2 is 0x%x\n", info->device_id2); |
| 2161 | debug("cfi version is 0x%04x\n", info->cfi_version); |
Stefan Roese | 1279748 | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2162 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2163 | size_ratio = info->portwidth / info->chipwidth; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2164 | /* if the chip is x8/x16 reduce the ratio by half */ |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2165 | if (info->interface == FLASH_CFI_X8X16 && |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2166 | info->chipwidth == FLASH_CFI_BY8) { |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2167 | size_ratio >>= 1; |
| 2168 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2169 | debug("size_ratio %d port %d bits chip %d bits\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2170 | size_ratio, info->portwidth << CFI_FLASH_SHIFT_WIDTH, |
| 2171 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Ilya Yanok | 755c180 | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 2172 | info->size = 1 << qry.dev_size; |
| 2173 | /* multiply the size by the number of chips */ |
| 2174 | info->size *= size_ratio; |
Anatolij Gustschin | 6acb77b | 2010-11-28 02:13:33 +0100 | [diff] [blame] | 2175 | max_size = cfi_flash_bank_size(banknum); |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2176 | if (max_size && info->size > max_size) { |
Ilya Yanok | 755c180 | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 2177 | debug("[truncated from %ldMiB]", info->size >> 20); |
| 2178 | info->size = max_size; |
| 2179 | } |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2180 | debug("found %d erase regions\n", num_erase_regions); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2181 | sect_cnt = 0; |
| 2182 | sector = base; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2183 | for (i = 0; i < num_erase_regions; i++) { |
| 2184 | if (i > NUM_ERASE_REGIONS) { |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2185 | printf("%d erase regions found, only %d used\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2186 | num_erase_regions, NUM_ERASE_REGIONS); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2187 | break; |
| 2188 | } |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2189 | |
Andrew Gabbasov | c159258 | 2013-05-14 12:27:52 -0500 | [diff] [blame] | 2190 | tmp = le32_to_cpu(get_unaligned( |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2191 | &qry.erase_region_info[i])); |
Haavard Skinnemoen | c4d478b | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2192 | debug("erase region %u: 0x%08lx\n", i, tmp); |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2193 | |
| 2194 | erase_region_count = (tmp & 0xffff) + 1; |
| 2195 | tmp >>= 16; |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2196 | erase_region_size = |
| 2197 | (tmp & 0xffff) ? ((tmp & 0xffff) * 256) : 128; |
Mario Six | bc762c1 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 2198 | debug("erase_region_count = %d ", erase_region_count); |
| 2199 | debug("erase_region_size = %d\n", erase_region_size); |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2200 | for (j = 0; j < erase_region_count; j++) { |
Ilya Yanok | 755c180 | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 2201 | if (sector - base >= info->size) |
| 2202 | break; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2203 | if (sect_cnt >= CONFIG_SYS_MAX_FLASH_SECT) { |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 2204 | printf("ERROR: too many flash sectors\n"); |
| 2205 | break; |
| 2206 | } |
Becky Bruce | 9d1f6af | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 2207 | info->start[sect_cnt] = |
| 2208 | (ulong)map_physmem(sector, |
| 2209 | info->portwidth, |
| 2210 | MAP_NOCACHE); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2211 | sector += (erase_region_size * size_ratio); |
wdenk | 26c5843 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2212 | |
| 2213 | /* |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2214 | * Only read protection status from |
| 2215 | * supported devices (intel...) |
wdenk | 26c5843 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2216 | */ |
| 2217 | switch (info->vendor) { |
Vasiliy Leoenenko | 7d1794c | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 2218 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
wdenk | 26c5843 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2219 | case CFI_CMDSET_INTEL_EXTENDED: |
| 2220 | case CFI_CMDSET_INTEL_STANDARD: |
Stefan Roese | 5215df1 | 2010-10-25 18:31:29 +0200 | [diff] [blame] | 2221 | /* |
| 2222 | * Set flash to read-id mode. Otherwise |
| 2223 | * reading protected status is not |
| 2224 | * guaranteed. |
| 2225 | */ |
| 2226 | flash_write_cmd(info, sect_cnt, 0, |
| 2227 | FLASH_CMD_READ_ID); |
wdenk | 26c5843 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2228 | info->protect[sect_cnt] = |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2229 | flash_isset(info, sect_cnt, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2230 | FLASH_OFFSET_PROTECT, |
| 2231 | FLASH_STATUS_PROTECT); |
Vasily Khoruzhick | cf46400 | 2016-03-20 18:37:10 -0700 | [diff] [blame] | 2232 | flash_write_cmd(info, sect_cnt, 0, |
| 2233 | FLASH_CMD_RESET); |
wdenk | 26c5843 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2234 | break; |
Stefan Roese | bcb3344 | 2012-12-06 15:44:10 +0100 | [diff] [blame] | 2235 | case CFI_CMDSET_AMD_EXTENDED: |
| 2236 | case CFI_CMDSET_AMD_STANDARD: |
Stefan Roese | 7de6584 | 2012-12-06 15:44:11 +0100 | [diff] [blame] | 2237 | if (!info->legacy_unlock) { |
Stefan Roese | bcb3344 | 2012-12-06 15:44:10 +0100 | [diff] [blame] | 2238 | /* default: not protected */ |
| 2239 | info->protect[sect_cnt] = 0; |
| 2240 | break; |
| 2241 | } |
| 2242 | |
| 2243 | /* Read protection (PPB) from sector */ |
| 2244 | flash_write_cmd(info, 0, 0, |
| 2245 | info->cmd_reset); |
| 2246 | flash_unlock_seq(info, 0); |
| 2247 | flash_write_cmd(info, 0, |
| 2248 | info->addr_unlock1, |
| 2249 | FLASH_CMD_READ_ID); |
| 2250 | info->protect[sect_cnt] = |
| 2251 | flash_isset( |
| 2252 | info, sect_cnt, |
| 2253 | FLASH_OFFSET_PROTECT, |
| 2254 | FLASH_STATUS_PROTECT); |
| 2255 | break; |
wdenk | 26c5843 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2256 | default: |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2257 | /* default: not protected */ |
| 2258 | info->protect[sect_cnt] = 0; |
wdenk | 26c5843 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2259 | } |
| 2260 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2261 | sect_cnt++; |
| 2262 | } |
| 2263 | } |
| 2264 | |
| 2265 | info->sector_count = sect_cnt; |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2266 | info->buffer_size = 1 << le16_to_cpu(qry.max_buf_write_size); |
| 2267 | tmp = 1 << qry.block_erase_timeout_typ; |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2268 | info->erase_blk_tout = tmp * |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2269 | (1 << qry.block_erase_timeout_max); |
| 2270 | tmp = (1 << qry.buf_write_timeout_typ) * |
| 2271 | (1 << qry.buf_write_timeout_max); |
| 2272 | |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2273 | /* round up when converting to ms */ |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2274 | info->buffer_write_tout = (tmp + 999) / 1000; |
| 2275 | tmp = (1 << qry.word_write_timeout_typ) * |
| 2276 | (1 << qry.word_write_timeout_max); |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2277 | /* round up when converting to ms */ |
Haavard Skinnemoen | 53baec7 | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2278 | info->write_tout = (tmp + 999) / 1000; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2279 | info->flash_id = FLASH_MAN_CFI; |
Mario Six | d1141c5 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2280 | if (info->interface == FLASH_CFI_X8X16 && |
| 2281 | info->chipwidth == FLASH_CFI_BY8) { |
Haavard Skinnemoen | d523e39 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2282 | /* XXX - Need to test on x8/x16 in parallel. */ |
| 2283 | info->portwidth >>= 1; |
wdenk | ed2ac4b | 2004-03-14 18:23:55 +0000 | [diff] [blame] | 2284 | } |
Mike Frysinger | 59404ee | 2008-10-02 01:55:38 -0400 | [diff] [blame] | 2285 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2286 | flash_write_cmd(info, 0, 0, info->cmd_reset); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2287 | } |
| 2288 | |
wdenk | e65527f | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2289 | return (info->size); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2290 | } |
| 2291 | |
Mike Frysinger | c2c093d | 2010-12-22 09:41:13 -0500 | [diff] [blame] | 2292 | #ifdef CONFIG_FLASH_CFI_MTD |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 2293 | void flash_set_verbose(uint v) |
| 2294 | { |
| 2295 | flash_verbose = v; |
| 2296 | } |
Mike Frysinger | c2c093d | 2010-12-22 09:41:13 -0500 | [diff] [blame] | 2297 | #endif |
Piotr Ziecik | 2a7493c | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 2298 | |
Stefan Roese | ab93564 | 2010-10-25 18:31:48 +0200 | [diff] [blame] | 2299 | static void cfi_flash_set_config_reg(u32 base, u16 val) |
| 2300 | { |
| 2301 | #ifdef CONFIG_SYS_CFI_FLASH_CONFIG_REGS |
| 2302 | /* |
| 2303 | * Only set this config register if really defined |
| 2304 | * to a valid value (0xffff is invalid) |
| 2305 | */ |
| 2306 | if (val == 0xffff) |
| 2307 | return; |
| 2308 | |
| 2309 | /* |
| 2310 | * Set configuration register. Data is "encrypted" in the 16 lower |
| 2311 | * address bits. |
| 2312 | */ |
| 2313 | flash_write16(FLASH_CMD_SETUP, (void *)(base + (val << 1))); |
| 2314 | flash_write16(FLASH_CMD_SET_CR_CONFIRM, (void *)(base + (val << 1))); |
| 2315 | |
| 2316 | /* |
| 2317 | * Finally issue reset-command to bring device back to |
| 2318 | * read-array mode |
| 2319 | */ |
| 2320 | flash_write16(FLASH_CMD_RESET, (void *)base); |
| 2321 | #endif |
| 2322 | } |
| 2323 | |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2324 | /*----------------------------------------------------------------------- |
| 2325 | */ |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2326 | |
Marek Vasut | a26162d | 2017-08-20 17:20:00 +0200 | [diff] [blame] | 2327 | static void flash_protect_default(void) |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2328 | { |
Peter Tyser | 4f3c60d | 2011-04-13 11:46:56 -0500 | [diff] [blame] | 2329 | #if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST) |
| 2330 | int i; |
| 2331 | struct apl_s { |
| 2332 | ulong start; |
| 2333 | ulong size; |
| 2334 | } apl[] = CONFIG_SYS_FLASH_AUTOPROTECT_LIST; |
| 2335 | #endif |
| 2336 | |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2337 | /* Monitor protection ON by default */ |
Vignesh Raghavendra | 5b9d800 | 2019-10-23 13:30:00 +0530 | [diff] [blame] | 2338 | #if defined(CONFIG_SYS_MONITOR_BASE) && \ |
| 2339 | (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE) && \ |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2340 | (!defined(CONFIG_MONITOR_IS_IN_RAM)) |
| 2341 | flash_protect(FLAG_PROTECT_SET, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2342 | CONFIG_SYS_MONITOR_BASE, |
| 2343 | CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, |
| 2344 | flash_get_info(CONFIG_SYS_MONITOR_BASE)); |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2345 | #endif |
| 2346 | |
| 2347 | /* Environment protection ON by default */ |
| 2348 | #ifdef CONFIG_ENV_IS_IN_FLASH |
| 2349 | flash_protect(FLAG_PROTECT_SET, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2350 | CONFIG_ENV_ADDR, |
| 2351 | CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, |
| 2352 | flash_get_info(CONFIG_ENV_ADDR)); |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2353 | #endif |
| 2354 | |
| 2355 | /* Redundant environment protection ON by default */ |
| 2356 | #ifdef CONFIG_ENV_ADDR_REDUND |
| 2357 | flash_protect(FLAG_PROTECT_SET, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2358 | CONFIG_ENV_ADDR_REDUND, |
| 2359 | CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, |
| 2360 | flash_get_info(CONFIG_ENV_ADDR_REDUND)); |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2361 | #endif |
| 2362 | |
| 2363 | #if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST) |
Axel Lin | 85706c8 | 2013-06-23 00:56:46 +0800 | [diff] [blame] | 2364 | for (i = 0; i < ARRAY_SIZE(apl); i++) { |
Marek Vasut | cb1622e | 2011-10-21 14:17:05 +0000 | [diff] [blame] | 2365 | debug("autoprotecting from %08lx to %08lx\n", |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2366 | apl[i].start, apl[i].start + apl[i].size - 1); |
| 2367 | flash_protect(FLAG_PROTECT_SET, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2368 | apl[i].start, |
| 2369 | apl[i].start + apl[i].size - 1, |
| 2370 | flash_get_info(apl[i].start)); |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2371 | } |
| 2372 | #endif |
| 2373 | } |
| 2374 | |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2375 | unsigned long flash_init(void) |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2376 | { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2377 | unsigned long size = 0; |
| 2378 | int i; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2379 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2380 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Eric Schumann | 8f7ee7d | 2009-03-21 09:59:34 -0400 | [diff] [blame] | 2381 | /* read environment from EEPROM */ |
| 2382 | char s[64]; |
Mario Six | c7e359e | 2018-01-26 14:43:37 +0100 | [diff] [blame] | 2383 | |
Simon Glass | 64b723f | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 2384 | env_get_f("unlock", s, sizeof(s)); |
Michael Schwingen | 73d044d | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 2385 | #endif |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2386 | |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2387 | #ifdef CONFIG_CFI_FLASH /* for driver model */ |
| 2388 | cfi_flash_init_dm(); |
| 2389 | #endif |
| 2390 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2391 | /* Init: no FLASHes known */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2392 | for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2393 | flash_info[i].flash_id = FLASH_UNKNOWN; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2394 | |
Stefan Roese | ab93564 | 2010-10-25 18:31:48 +0200 | [diff] [blame] | 2395 | /* Optionally write flash configuration register */ |
| 2396 | cfi_flash_set_config_reg(cfi_flash_bank_addr(i), |
| 2397 | cfi_flash_config_reg(i)); |
| 2398 | |
Stefan Roese | 7e7dda8 | 2010-08-30 10:11:51 +0200 | [diff] [blame] | 2399 | if (!flash_detect_legacy(cfi_flash_bank_addr(i), i)) |
Anatolij Gustschin | 6acb77b | 2010-11-28 02:13:33 +0100 | [diff] [blame] | 2400 | flash_get_size(cfi_flash_bank_addr(i), i); |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2401 | size += flash_info[i].size; |
| 2402 | if (flash_info[i].flash_id == FLASH_UNKNOWN) { |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2403 | #ifndef CONFIG_SYS_FLASH_QUIET_TEST |
Mario Six | 246e506 | 2018-01-26 14:43:50 +0100 | [diff] [blame] | 2404 | printf("## Unknown flash on Bank %d ", i + 1); |
| 2405 | printf("- Size = 0x%08lx = %ld MB\n", |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2406 | flash_info[i].size, |
| 2407 | flash_info[i].size >> 20); |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2408 | #endif /* CONFIG_SYS_FLASH_QUIET_TEST */ |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2409 | } |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2410 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Jeroen Hofstee | 5a85e89 | 2014-06-17 22:47:31 +0200 | [diff] [blame] | 2411 | else if (strcmp(s, "yes") == 0) { |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2412 | /* |
| 2413 | * Only the U-Boot image and it's environment |
| 2414 | * is protected, all other sectors are |
| 2415 | * unprotected (unlocked) if flash hardware |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2416 | * protection is used (CONFIG_SYS_FLASH_PROTECTION) |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2417 | * and the environment variable "unlock" is |
| 2418 | * set to "yes". |
| 2419 | */ |
| 2420 | if (flash_info[i].legacy_unlock) { |
| 2421 | int k; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2422 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2423 | /* |
| 2424 | * Disable legacy_unlock temporarily, |
| 2425 | * since flash_real_protect would |
| 2426 | * relock all other sectors again |
| 2427 | * otherwise. |
| 2428 | */ |
| 2429 | flash_info[i].legacy_unlock = 0; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2430 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2431 | /* |
| 2432 | * Legacy unlocking (e.g. Intel J3) -> |
| 2433 | * unlock only one sector. This will |
| 2434 | * unlock all sectors. |
| 2435 | */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2436 | flash_real_protect(&flash_info[i], 0, 0); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2437 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2438 | flash_info[i].legacy_unlock = 1; |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2439 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2440 | /* |
| 2441 | * Manually mark other sectors as |
| 2442 | * unlocked (unprotected) |
| 2443 | */ |
| 2444 | for (k = 1; k < flash_info[i].sector_count; k++) |
| 2445 | flash_info[i].protect[k] = 0; |
| 2446 | } else { |
| 2447 | /* |
| 2448 | * No legancy unlocking -> unlock all sectors |
| 2449 | */ |
Mario Six | fa29069 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2450 | flash_protect(FLAG_PROTECT_CLEAR, |
Mario Six | dde8550 | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2451 | flash_info[i].start[0], |
| 2452 | flash_info[i].start[0] |
| 2453 | + flash_info[i].size - 1, |
| 2454 | &flash_info[i]); |
Stefan Roese | c865e6c | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 2455 | } |
Stefan Roese | c865e6c | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 2456 | } |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2457 | #endif /* CONFIG_SYS_FLASH_PROTECTION */ |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2458 | } |
Stefan Roese | c865e6c | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 2459 | |
Heiko Schocher | ef0946a | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2460 | flash_protect_default(); |
Piotr Ziecik | 3e939e9 | 2008-11-17 15:57:58 +0100 | [diff] [blame] | 2461 | #ifdef CONFIG_FLASH_CFI_MTD |
| 2462 | cfi_mtd_init(); |
| 2463 | #endif |
| 2464 | |
Haavard Skinnemoen | 6dd763c | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2465 | return (size); |
wdenk | 2cefd15 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2466 | } |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2467 | |
| 2468 | #ifdef CONFIG_CFI_FLASH /* for driver model */ |
| 2469 | static int cfi_flash_probe(struct udevice *dev) |
| 2470 | { |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2471 | const fdt32_t *cell; |
Mario Six | 4d5b82d | 2018-03-28 14:38:41 +0200 | [diff] [blame] | 2472 | int addrc, sizec; |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2473 | int len, idx; |
| 2474 | |
Mario Six | 4d5b82d | 2018-03-28 14:38:41 +0200 | [diff] [blame] | 2475 | addrc = dev_read_addr_cells(dev); |
| 2476 | sizec = dev_read_size_cells(dev); |
| 2477 | |
| 2478 | /* decode regs; there may be multiple reg tuples. */ |
| 2479 | cell = dev_read_prop(dev, "reg", &len); |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2480 | if (!cell) |
| 2481 | return -ENOENT; |
| 2482 | idx = 0; |
| 2483 | len /= sizeof(fdt32_t); |
| 2484 | while (idx < len) { |
Mario Six | 4d5b82d | 2018-03-28 14:38:41 +0200 | [diff] [blame] | 2485 | phys_addr_t addr; |
| 2486 | |
| 2487 | addr = dev_translate_address(dev, cell + idx); |
| 2488 | |
Marek Vasut | 970940f | 2017-09-12 19:09:08 +0200 | [diff] [blame] | 2489 | flash_info[cfi_flash_num_flash_banks].dev = dev; |
| 2490 | flash_info[cfi_flash_num_flash_banks].base = addr; |
| 2491 | cfi_flash_num_flash_banks++; |
Mario Six | 4d5b82d | 2018-03-28 14:38:41 +0200 | [diff] [blame] | 2492 | |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2493 | idx += addrc + sizec; |
| 2494 | } |
Marek Vasut | 970940f | 2017-09-12 19:09:08 +0200 | [diff] [blame] | 2495 | gd->bd->bi_flashstart = flash_info[0].base; |
Thomas Chou | 47eae23 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2496 | |
| 2497 | return 0; |
| 2498 | } |
| 2499 | |
| 2500 | static const struct udevice_id cfi_flash_ids[] = { |
| 2501 | { .compatible = "cfi-flash" }, |
| 2502 | { .compatible = "jedec-flash" }, |
| 2503 | {} |
| 2504 | }; |
| 2505 | |
| 2506 | U_BOOT_DRIVER(cfi_flash) = { |
| 2507 | .name = "cfi_flash", |
| 2508 | .id = UCLASS_MTD, |
| 2509 | .of_match = cfi_flash_ids, |
| 2510 | .probe = cfi_flash_probe, |
| 2511 | }; |
| 2512 | #endif /* CONFIG_CFI_FLASH */ |