| /* |
| * boot-common.c |
| * |
| * Common bootmode functions for omap based boards |
| * |
| * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <ahci.h> |
| #include <spl.h> |
| #include <asm/omap_common.h> |
| #include <asm/arch/omap.h> |
| #include <asm/arch/mmc_host_def.h> |
| #include <asm/arch/sys_proto.h> |
| #include <watchdog.h> |
| #include <scsi.h> |
| #include <i2c.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| __weak u32 omap_sys_boot_device(void) |
| { |
| return BOOT_DEVICE_NONE; |
| } |
| |
| void save_omap_boot_params(void) |
| { |
| u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS); |
| struct omap_boot_parameters *omap_boot_params; |
| int sys_boot_device = 0; |
| u32 boot_device; |
| u32 boot_mode; |
| |
| if ((boot_params < NON_SECURE_SRAM_START) || |
| (boot_params > NON_SECURE_SRAM_END)) |
| return; |
| |
| omap_boot_params = (struct omap_boot_parameters *)boot_params; |
| |
| boot_device = omap_boot_params->boot_device; |
| boot_mode = MMCSD_MODE_UNDEFINED; |
| |
| /* Boot device */ |
| |
| #ifdef BOOT_DEVICE_NAND_I2C |
| /* |
| * Re-map NAND&I2C boot-device to the "normal" NAND boot-device. |
| * Otherwise the SPL boot IF can't handle this device correctly. |
| * Somehow booting with Hynix 4GBit NAND H27U4G8 on Siemens |
| * Draco leads to this boot-device passed to SPL from the BootROM. |
| */ |
| if (boot_device == BOOT_DEVICE_NAND_I2C) |
| boot_device = BOOT_DEVICE_NAND; |
| #endif |
| #ifdef BOOT_DEVICE_QSPI_4 |
| /* |
| * We get different values for QSPI_1 and QSPI_4 being used, but |
| * don't actually care about this difference. Rather than |
| * mangle the later code, if we're coming in as QSPI_4 just |
| * change to the QSPI_1 value. |
| */ |
| if (boot_device == BOOT_DEVICE_QSPI_4) |
| boot_device = BOOT_DEVICE_SPI; |
| #endif |
| /* |
| * When booting from peripheral booting, the boot device is not usable |
| * as-is (unless there is support for it), so the boot device is instead |
| * figured out using the SYS_BOOT pins. |
| */ |
| switch (boot_device) { |
| #if defined(BOOT_DEVICE_UART) && !defined(CONFIG_SPL_YMODEM_SUPPORT) |
| case BOOT_DEVICE_UART: |
| sys_boot_device = 1; |
| break; |
| #endif |
| #if defined(BOOT_DEVICE_USB) && !defined(CONFIG_SPL_USB_SUPPORT) |
| case BOOT_DEVICE_USB: |
| sys_boot_device = 1; |
| break; |
| #endif |
| #if defined(BOOT_DEVICE_USBETH) && !defined(CONFIG_SPL_USBETH_SUPPORT) |
| case BOOT_DEVICE_USBETH: |
| sys_boot_device = 1; |
| break; |
| #endif |
| #if defined(BOOT_DEVICE_CPGMAC) && !defined(CONFIG_SPL_ETH_SUPPORT) |
| case BOOT_DEVICE_CPGMAC: |
| sys_boot_device = 1; |
| break; |
| #endif |
| #if defined(BOOT_DEVICE_DFU) && !defined(CONFIG_SPL_DFU_SUPPORT) |
| case BOOT_DEVICE_DFU: |
| sys_boot_device = 1; |
| break; |
| #endif |
| } |
| |
| if (sys_boot_device) { |
| boot_device = omap_sys_boot_device(); |
| |
| /* MMC raw mode will fallback to FS mode. */ |
| if ((boot_device >= MMC_BOOT_DEVICES_START) && |
| (boot_device <= MMC_BOOT_DEVICES_END)) |
| boot_mode = MMCSD_MODE_RAW; |
| } |
| |
| gd->arch.omap_boot_device = boot_device; |
| |
| /* Boot mode */ |
| |
| #ifdef CONFIG_OMAP34XX |
| if ((boot_device >= MMC_BOOT_DEVICES_START) && |
| (boot_device <= MMC_BOOT_DEVICES_END)) { |
| switch (boot_device) { |
| case BOOT_DEVICE_MMC1: |
| boot_mode = MMCSD_MODE_FS; |
| break; |
| case BOOT_DEVICE_MMC2: |
| boot_mode = MMCSD_MODE_RAW; |
| break; |
| } |
| } |
| #else |
| /* |
| * If the boot device was dynamically changed and doesn't match what |
| * the bootrom initially booted, we cannot use the boot device |
| * descriptor to figure out the boot mode. |
| */ |
| if ((boot_device == omap_boot_params->boot_device) && |
| (boot_device >= MMC_BOOT_DEVICES_START) && |
| (boot_device <= MMC_BOOT_DEVICES_END)) { |
| boot_params = omap_boot_params->boot_device_descriptor; |
| if ((boot_params < NON_SECURE_SRAM_START) || |
| (boot_params > NON_SECURE_SRAM_END)) |
| return; |
| |
| boot_params = *((u32 *)(boot_params + DEVICE_DATA_OFFSET)); |
| if ((boot_params < NON_SECURE_SRAM_START) || |
| (boot_params > NON_SECURE_SRAM_END)) |
| return; |
| |
| boot_mode = *((u32 *)(boot_params + BOOT_MODE_OFFSET)); |
| |
| if (boot_mode != MMCSD_MODE_FS && |
| boot_mode != MMCSD_MODE_RAW) |
| #ifdef CONFIG_SUPPORT_EMMC_BOOT |
| boot_mode = MMCSD_MODE_EMMCBOOT; |
| #else |
| boot_mode = MMCSD_MODE_UNDEFINED; |
| #endif |
| } |
| #endif |
| |
| gd->arch.omap_boot_mode = boot_mode; |
| |
| #if !defined(CONFIG_TI814X) && !defined(CONFIG_TI816X) && \ |
| !defined(CONFIG_AM33XX) && !defined(CONFIG_AM43XX) |
| |
| /* CH flags */ |
| |
| gd->arch.omap_ch_flags = omap_boot_params->ch_flags; |
| #endif |
| } |
| |
| #ifdef CONFIG_SPL_BUILD |
| u32 spl_boot_device(void) |
| { |
| return gd->arch.omap_boot_device; |
| } |
| |
| u32 spl_boot_mode(const u32 boot_device) |
| { |
| return gd->arch.omap_boot_mode; |
| } |
| |
| void spl_board_init(void) |
| { |
| /* |
| * Save the boot parameters passed from romcode. |
| * We cannot delay the saving further than this, |
| * to prevent overwrites. |
| */ |
| save_omap_boot_params(); |
| |
| /* Prepare console output */ |
| preloader_console_init(); |
| |
| #if defined(CONFIG_SPL_NAND_SUPPORT) || defined(CONFIG_SPL_ONENAND_SUPPORT) |
| gpmc_init(); |
| #endif |
| #ifdef CONFIG_SPL_I2C_SUPPORT |
| i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); |
| #endif |
| #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT) |
| arch_misc_init(); |
| #endif |
| #if defined(CONFIG_HW_WATCHDOG) |
| hw_watchdog_init(); |
| #endif |
| #ifdef CONFIG_AM33XX |
| am33xx_spl_board_init(); |
| #endif |
| } |
| |
| void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) |
| { |
| typedef void __noreturn (*image_entry_noargs_t)(u32 *); |
| image_entry_noargs_t image_entry = |
| (image_entry_noargs_t) spl_image->entry_point; |
| |
| u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS); |
| |
| debug("image entry point: 0x%lX\n", spl_image->entry_point); |
| /* Pass the saved boot_params from rom code */ |
| image_entry((u32 *)boot_params); |
| } |
| #endif |
| |
| #ifdef CONFIG_SCSI_AHCI_PLAT |
| void arch_preboot_os(void) |
| { |
| ahci_reset((void __iomem *)DWC_AHSATA_BASE); |
| } |
| #endif |
| |
| #if defined(CONFIG_USB_FUNCTION_FASTBOOT) && !defined(CONFIG_ENV_IS_NOWHERE) |
| int fb_set_reboot_flag(void) |
| { |
| printf("Setting reboot to fastboot flag ...\n"); |
| setenv("dofastboot", "1"); |
| saveenv(); |
| return 0; |
| } |
| #endif |