| Heiko Schocher | cfcad35 | 2013-12-02 07:47:22 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards |
| 3 | * (C) Copyright 2013 Siemens AG |
| 4 | * |
| 5 | * Based on: |
| 6 | * U-Boot file: include/configs/at91sam9260ek.h |
| 7 | * |
| 8 | * (C) Copyright 2007-2008 |
| 9 | * Stelian Pop <stelian@popies.net> |
| 10 | * Lead Tech Design <www.leadtechdesign.com> |
| 11 | * |
| 12 | * SPDX-License-Identifier: GPL-2.0+ |
| 13 | */ |
| 14 | |
| 15 | #ifndef __CONFIG_H |
| 16 | #define __CONFIG_H |
| 17 | |
| 18 | /* |
| 19 | * SoC must be defined first, before hardware.h is included. |
| 20 | * In this case SoC is defined in boards.cfg. |
| 21 | */ |
| 22 | #include <asm/hardware.h> |
| 23 | |
| 24 | #define MACH_TYPE_TAURUS 2067 |
| 25 | #define MACH_TYPE_AXM 2068 |
| 26 | |
| 27 | /* |
| 28 | * Warning: changing CONFIG_SYS_TEXT_BASE requires |
| 29 | * adapting the initial boot program. |
| 30 | * Since the linker has to swallow that define, we must use a pure |
| 31 | * hex number here! |
| 32 | */ |
| 33 | |
| 34 | |
| 35 | #define CONFIG_SYS_TEXT_BASE 0x23f00000 |
| 36 | |
| 37 | /* ARM asynchronous clock */ |
| 38 | #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ |
| 39 | #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ |
| 40 | #define CONFIG_SYS_HZ 1000 |
| 41 | |
| 42 | /* Misc CPU related */ |
| 43 | #define CONFIG_ARCH_CPU_INIT |
| 44 | #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ |
| 45 | #define CONFIG_SETUP_MEMORY_TAGS |
| 46 | #define CONFIG_INITRD_TAG |
| 47 | #define CONFIG_SKIP_LOWLEVEL_INIT |
| 48 | #define CONFIG_BOARD_EARLY_INIT_F |
| 49 | #define CONFIG_DISPLAY_CPUINFO |
| 50 | |
| 51 | #define CONFIG_CMD_BOOTZ |
| 52 | #define CONFIG_OF_LIBFDT |
| 53 | |
| 54 | /* general purpose I/O */ |
| 55 | #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ |
| 56 | #define CONFIG_AT91_GPIO |
| 57 | #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ |
| 58 | |
| 59 | /* serial console */ |
| 60 | #define CONFIG_ATMEL_USART |
| 61 | #define CONFIG_USART_BASE ATMEL_BASE_DBGU |
| 62 | #define CONFIG_USART_ID ATMEL_ID_SYS |
| 63 | #define CONFIG_BAUDRATE 115200 |
| 64 | |
| 65 | #define CONFIG_BOOTDELAY 3 |
| 66 | |
| 67 | /* |
| 68 | * Command line configuration. |
| 69 | */ |
| 70 | #include <config_cmd_default.h> |
| 71 | #undef CONFIG_CMD_BDI |
| 72 | #undef CONFIG_CMD_FPGA |
| 73 | #undef CONFIG_CMD_IMI |
| 74 | #undef CONFIG_CMD_IMLS |
| 75 | #undef CONFIG_CMD_LOADS |
| 76 | #undef CONFIG_CMD_SOURCE |
| 77 | |
| 78 | #define CONFIG_CMD_PING |
| 79 | #define CONFIG_CMD_DHCP |
| 80 | #define CONFIG_CMD_NAND |
| 81 | |
| 82 | /* |
| 83 | * SDRAM: 1 bank, min 32, max 128 MB |
| 84 | * Initialized before u-boot gets started. |
| 85 | */ |
| 86 | #define CONFIG_NR_DRAM_BANKS 1 |
| 87 | #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 |
| 88 | #define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024) |
| 89 | |
| 90 | /* |
| 91 | * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, |
| 92 | * leaving the correct space for initial global data structure above |
| 93 | * that address while providing maximum stack area below. |
| 94 | */ |
| 95 | # define CONFIG_SYS_INIT_SP_ADDR \ |
| 96 | (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) |
| 97 | |
| 98 | /* NAND flash */ |
| 99 | #ifdef CONFIG_CMD_NAND |
| 100 | #define CONFIG_NAND_ATMEL |
| 101 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 |
| 102 | #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 |
| 103 | #define CONFIG_SYS_NAND_DBW_8 |
| 104 | #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) |
| 105 | #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) |
| 106 | #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 |
| 107 | #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 |
| 108 | #endif |
| 109 | |
| 110 | /* NOR flash - no real flash on this board */ |
| 111 | #define CONFIG_SYS_NO_FLASH 1 |
| 112 | |
| 113 | /* Ethernet */ |
| 114 | #define CONFIG_MACB |
| 115 | #define CONFIG_RMII |
| 116 | #define CONFIG_AT91_WANTS_COMMON_PHY |
| 117 | |
| 118 | /* USB */ |
| 119 | #if defined(CONFIG_BOARD_TAURUS) |
| 120 | #define CONFIG_USB_ATMEL |
| 121 | #define CONFIG_USB_OHCI_NEW |
| 122 | #define CONFIG_SYS_USB_OHCI_CPU_INIT |
| 123 | #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 |
| 124 | #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" |
| 125 | #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 |
| 126 | #define CONFIG_USB_STORAGE |
| 127 | #endif |
| 128 | |
| 129 | /* load address */ |
| 130 | #define CONFIG_SYS_LOAD_ADDR 0x22000000 |
| 131 | |
| 132 | /* bootstrap in spi flash , u-boot + env + linux in nandflash */ |
| 133 | #define CONFIG_ENV_IS_IN_NAND |
| 134 | #define CONFIG_ENV_OFFSET 0x100000 |
| 135 | #define CONFIG_ENV_OFFSET_REDUND 0x180000 |
| 136 | #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ |
| 137 | #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" |
| 138 | #define CONFIG_BOOTARGS \ |
| 139 | "console=ttyS0,115200 earlyprintk " \ |
| 140 | "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ |
| 141 | "256k(env),256k(env_redundant),256k(spare)," \ |
| 142 | "512k(dtb),6M(kernel)ro,-(rootfs) " \ |
| 143 | "root=/dev/mtdblock7 rw rootfstype=jffs2" |
| 144 | |
| 145 | #define CONFIG_SYS_PROMPT "U-Boot> " |
| 146 | #define CONFIG_SYS_CBSIZE 256 |
| 147 | #define CONFIG_SYS_MAXARGS 16 |
| 148 | #define CONFIG_SYS_PBSIZE \ |
| 149 | (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) |
| 150 | #define CONFIG_SYS_LONGHELP |
| 151 | #define CONFIG_CMDLINE_EDITING |
| 152 | #define CONFIG_AUTO_COMPLETE |
| 153 | |
| 154 | /* |
| 155 | * Size of malloc() pool |
| 156 | */ |
| 157 | #define CONFIG_SYS_MALLOC_LEN \ |
| 158 | ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) |
| 159 | |
| 160 | #endif |