diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/boot-common.c')
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/boot-common.c | 164 |
1 files changed, 112 insertions, 52 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index bbc6bed..5ec46fa 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -17,27 +17,34 @@ #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 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS); - u8 boot_device; - u32 dev_desc, dev_data; + u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS); + struct omap_boot_parameters *omap_boot_params; + u32 boot_device; + u32 boot_mode; - if ((rom_params < NON_SECURE_SRAM_START) || - (rom_params > NON_SECURE_SRAM_END)) + if ((boot_params < NON_SECURE_SRAM_START) || + (boot_params > NON_SECURE_SRAM_END)) return; - /* - * rom_params can be type casted to omap_boot_parameters and - * used. But it not correct to assume that romcode structure - * encoding would be same as u-boot. So use the defined offsets. - */ - boot_device = *((u8 *)(rom_params + BOOT_DEVICE_OFFSET)); + omap_boot_params = (struct omap_boot_parameters *)boot_params; + + boot_device = omap_boot_params->boot_device; + boot_mode = MMCSD_MODE_UNDEFINED; + + /* Boot device */ -#if defined(BOOT_DEVICE_NAND_I2C) +#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. @@ -47,61 +54,109 @@ void save_omap_boot_params(void) if (boot_device == BOOT_DEVICE_NAND_I2C) boot_device = BOOT_DEVICE_NAND; #endif - gd->arch.omap_boot_params.omap_bootdevice = boot_device; +#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 +#if (defined(BOOT_DEVICE_UART) && !defined(CONFIG_SPL_YMODEM_SUPPORT)) || \ + (defined(BOOT_DEVICE_USB) && !defined(CONFIG_SPL_USB_SUPPORT)) || \ + (defined(BOOT_DEVICE_USBETH) && !defined(CONFIG_SPL_USBETH_SUPPORT)) + /* + * 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) { +#ifdef BOOT_DEVICE_UART + case BOOT_DEVICE_UART: +#endif +#ifdef BOOT_DEVICE_USB + case BOOT_DEVICE_USB: +#endif + 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_params.ch_flags = - *((u8 *)(rom_params + CH_FLAGS_OFFSET)); + break; + } +#endif + 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)) { -#if !defined(CONFIG_AM33XX) && !defined(CONFIG_TI81XX) && \ - !defined(CONFIG_AM43XX) - if ((omap_hw_init_context() == - OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) { - gd->arch.omap_boot_params.omap_bootmode = - *((u8 *)(rom_params + BOOT_MODE_OFFSET)); - } else -#endif - { - dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET)); - dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET)); - gd->arch.omap_boot_params.omap_bootmode = - *((u32 *)(dev_data + BOOT_MODE_OFFSET)); + switch (boot_device) { + case BOOT_DEVICE_MMC1: + boot_mode = MMCSD_MODE_FS; + break; + case BOOT_DEVICE_MMC2: + boot_mode = MMCSD_MODE_RAW; + break; } } - -#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) +#else /* - * 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 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 (gd->arch.omap_boot_params.omap_bootdevice == 11) - gd->arch.omap_boot_params.omap_bootdevice = BOOT_DEVICE_SPI; + 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 (u32) (gd->arch.omap_boot_params.omap_bootdevice); + return gd->arch.omap_boot_device; } u32 spl_boot_mode(void) { - u32 val = gd->arch.omap_boot_params.omap_bootmode; - - if (val == MMCSD_MODE_RAW) - return MMCSD_MODE_RAW; - else if (val == MMCSD_MODE_FS) - return MMCSD_MODE_FS; - else -#ifdef CONFIG_SUPPORT_EMMC_BOOT - return MMCSD_MODE_EMMCBOOT; -#else - return MMCSD_MODE_UNDEFINED; -#endif + return gd->arch.omap_boot_mode; } void spl_board_init(void) @@ -116,9 +171,12 @@ void spl_board_init(void) /* Prepare console output */ preloader_console_init(); -#ifdef CONFIG_SPL_NAND_SUPPORT +#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 @@ -150,9 +208,11 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) 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%X\n", spl_image->entry_point); /* Pass the saved boot_params from rom code */ - image_entry((u32 *)&gd->arch.omap_boot_params); + image_entry((u32 *)boot_params); } #endif @@ -163,7 +223,7 @@ void arch_preboot_os(void) } #endif -#if defined(CONFIG_CMD_FASTBOOT) && !defined(CONFIG_ENV_IS_NOWHERE) +#if defined(CONFIG_USB_FUNCTION_FASTBOOT) && !defined(CONFIG_ENV_IS_NOWHERE) int fb_set_reboot_flag(void) { printf("Setting reboot to fastboot flag ...\n"); |