diff options
Diffstat (limited to 'roms/u-boot/board/logicpd/omap3som/omap3logic.c')
| -rw-r--r-- | roms/u-boot/board/logicpd/omap3som/omap3logic.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/roms/u-boot/board/logicpd/omap3som/omap3logic.c b/roms/u-boot/board/logicpd/omap3som/omap3logic.c new file mode 100644 index 000000000..2379b5219 --- /dev/null +++ b/roms/u-boot/board/logicpd/omap3som/omap3logic.c @@ -0,0 +1,241 @@ +// 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 <common.h> +#include <dm.h> +#include <init.h> +#include <net.h> +#include <ns16550.h> +#include <flash.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 CONFIG_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_SPL_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], + CONFIG_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 |