| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2011 |
| * Logic Product Development <www.logicpd.com> |
| * |
| * Author : |
| * Peter Barada <peter.barada@logicpd.com> |
| * |
| * Derived from Beagle Board and 3430 SDP code by |
| * Richard Woodruff <r-woodruff2@ti.com> |
| * Syed Mohammed Khasim <khasim@ti.com> |
| */ |
| #include <config.h> |
| #include <dm.h> |
| #include <init.h> |
| #include <net.h> |
| #include <ns16550.h> |
| #include <nand.h> |
| #include <i2c.h> |
| #include <serial.h> |
| #include <twl4030.h> |
| #include <asm/global_data.h> |
| #include <asm/io.h> |
| #include <asm/arch/mmc_host_def.h> |
| #include <asm/arch/mux.h> |
| #include <asm/arch/mem.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/gpio.h> |
| #include <asm/omap_mmc.h> |
| #include <asm/mach-types.h> |
| #include <linux/mtd/rawnand.h> |
| #include <asm/omap_musb.h> |
| #include <linux/errno.h> |
| #include <linux/usb/ch9.h> |
| #include <linux/usb/gadget.h> |
| #include <linux/usb/musb.h> |
| #include "omap3logic.h" |
| #ifdef CONFIG_USB_EHCI_HCD |
| #include <usb.h> |
| #include <asm/ehci-omap.h> |
| #endif |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG1 0x00011203 |
| #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG2 0x000A1302 |
| #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG3 0x000F1302 |
| #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG4 0x0A021303 |
| #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG5 0x00120F18 |
| #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG6 0x0A030000 |
| #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG7 0x00000C50 |
| |
| #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG1 0x00011203 |
| #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG2 0x00091102 |
| #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG3 0x000D1102 |
| #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG4 0x09021103 |
| #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG5 0x00100D15 |
| #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG6 0x09030000 |
| #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG7 0x00000C50 |
| |
| #define CFG_SMC911X_BASE 0x08000000 |
| |
| #ifdef CONFIG_SPL_OS_BOOT |
| int spl_start_uboot(void) |
| { |
| /* break into full u-boot on 'c' */ |
| return serial_tstc() && serial_getc() == 'c'; |
| } |
| #endif |
| |
| #if defined(CONFIG_XPL_BUILD) |
| /* |
| * Routine: get_board_mem_timings |
| * Description: If we use SPL then there is no x-loader nor config header |
| * so we have to setup the DDR timings ourself on the first bank. This |
| * provides the timing values back to the function that configures |
| * the memory. |
| */ |
| void get_board_mem_timings(struct board_sdrc_timings *timings) |
| { |
| timings->mr = MICRON_V_MR_165; |
| |
| if (get_cpu_family() == CPU_OMAP36XX) { |
| /* 200 MHz works for OMAP36/DM37 */ |
| /* 256MB DDR */ |
| timings->mcfg = MICRON_V_MCFG_200(256 << 20); |
| timings->ctrla = MICRON_V_ACTIMA_200; |
| timings->ctrlb = MICRON_V_ACTIMB_200; |
| timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz; |
| } else { |
| /* 165 MHz works for OMAP35 */ |
| timings->mcfg = MICRON_V_MCFG_165(256 << 20); |
| timings->ctrla = MICRON_V_ACTIMA_165; |
| timings->ctrlb = MICRON_V_ACTIMB_165; |
| timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; |
| } |
| } |
| |
| #define GPMC_NAND_COMMAND_0 (OMAP34XX_GPMC_BASE + 0x7c) |
| #define GPMC_NAND_DATA_0 (OMAP34XX_GPMC_BASE + 0x84) |
| #define GPMC_NAND_ADDRESS_0 (OMAP34XX_GPMC_BASE + 0x80) |
| |
| void spl_board_prepare_for_linux(void) |
| { |
| /* The Micron NAND starts locked which |
| * prohibits mounting the NAND as RW |
| * The following commands are what unlocks |
| * the NAND to become RW Falcon Mode does not |
| * have as many smarts as U-Boot, but Logic PD |
| * only makes NAND with 512MB so these hard coded |
| * values should work for all current models |
| */ |
| |
| writeb(0x70, GPMC_NAND_COMMAND_0); |
| writeb(-1, GPMC_NAND_DATA_0); |
| writeb(0x7a, GPMC_NAND_COMMAND_0); |
| writeb(0x00, GPMC_NAND_ADDRESS_0); |
| writeb(0x00, GPMC_NAND_ADDRESS_0); |
| writeb(0x00, GPMC_NAND_ADDRESS_0); |
| writeb(-1, GPMC_NAND_COMMAND_0); |
| |
| /* Begin address 0 */ |
| writeb(NAND_CMD_UNLOCK1, 0x6e00007c); |
| writeb(0x00, GPMC_NAND_ADDRESS_0); |
| writeb(0x00, GPMC_NAND_ADDRESS_0); |
| writeb(0x00, GPMC_NAND_ADDRESS_0); |
| writeb(-1, GPMC_NAND_DATA_0); |
| |
| /* Ending address at the end of Flash */ |
| writeb(NAND_CMD_UNLOCK2, GPMC_NAND_COMMAND_0); |
| writeb(0xc0, GPMC_NAND_ADDRESS_0); |
| writeb(0xff, GPMC_NAND_ADDRESS_0); |
| writeb(0x03, GPMC_NAND_ADDRESS_0); |
| writeb(-1, GPMC_NAND_DATA_0); |
| writeb(0x79, GPMC_NAND_COMMAND_0); |
| writeb(-1, GPMC_NAND_DATA_0); |
| writeb(-1, GPMC_NAND_DATA_0); |
| } |
| #endif |
| |
| /* |
| * Routine: misc_init_r |
| * Description: Configure board specific parts |
| */ |
| int misc_init_r(void) |
| { |
| twl4030_power_init(); |
| twl4030_power_mmc_init(0); |
| omap_die_id_display(); |
| return 0; |
| } |
| |
| #if defined(CONFIG_FLASH_CFI_DRIVER) |
| static const u32 gpmc_dm37_c2nor_config[] = { |
| LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG1, |
| LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG2, |
| LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG3, |
| LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG4, |
| LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG5, |
| LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG6, |
| LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG7 |
| }; |
| |
| static const u32 gpmc_omap35_c2nor_config[] = { |
| LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG1, |
| LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG2, |
| LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG3, |
| LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG4, |
| LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG5, |
| LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG6, |
| LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG7 |
| }; |
| #endif |
| |
| /* |
| * Routine: board_init |
| * Description: Early hardware init. |
| */ |
| int board_init(void) |
| { |
| gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ |
| |
| /* boot param addr */ |
| gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); |
| #if defined(CONFIG_FLASH_CFI_DRIVER) |
| if (get_cpu_family() == CPU_OMAP36XX) { |
| /* Enable CS2 for NOR Flash */ |
| enable_gpmc_cs_config(gpmc_dm37_c2nor_config, &gpmc_cfg->cs[2], |
| 0x10000000, GPMC_SIZE_64M); |
| } else { |
| enable_gpmc_cs_config(gpmc_omap35_c2nor_config, &gpmc_cfg->cs[2], |
| 0x10000000, GPMC_SIZE_64M); |
| } |
| #endif |
| return 0; |
| } |
| |
| #ifdef CONFIG_BOARD_LATE_INIT |
| |
| static void unlock_nand(void) |
| { |
| int dev = nand_curr_device; |
| struct mtd_info *mtd; |
| |
| mtd = get_nand_dev_by_index(dev); |
| nand_unlock(mtd, 0, mtd->size, 0); |
| } |
| |
| #ifdef CONFIG_SMC911X |
| /* GPMC CS1 settings for Logic SOM LV/Torpedo LAN92xx Ethernet chip */ |
| static const u32 gpmc_lan92xx_config[] = { |
| NET_LAN92XX_GPMC_CONFIG1, |
| NET_LAN92XX_GPMC_CONFIG2, |
| NET_LAN92XX_GPMC_CONFIG3, |
| NET_LAN92XX_GPMC_CONFIG4, |
| NET_LAN92XX_GPMC_CONFIG5, |
| NET_LAN92XX_GPMC_CONFIG6, |
| }; |
| #endif |
| |
| int board_late_init(void) |
| { |
| #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK |
| unlock_nand(); |
| #endif |
| |
| #ifdef CONFIG_SMC911X |
| enable_gpmc_cs_config(gpmc_lan92xx_config, &gpmc_cfg->cs[1], |
| CFG_SMC911X_BASE, GPMC_SIZE_16M); |
| #endif |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_MMC) |
| void board_mmc_power_init(void) |
| { |
| twl4030_power_mmc_init(0); |
| } |
| #endif |