| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2014 Gateworks Corporation |
| * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. |
| * |
| * Author: Tim Harvey <tharvey@gateworks.com> |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/spl.h> |
| #include <spl.h> |
| #include <asm/mach-imx/hab.h> |
| #include <asm/mach-imx/boot_mode.h> |
| #include <g_dnl.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #if defined(CONFIG_MX6) |
| /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */ |
| u32 spl_boot_device(void) |
| { |
| unsigned int bmode = readl(&src_base->sbmr2); |
| u32 reg = imx6_src_get_boot_mode(); |
| |
| /* |
| * Check for BMODE if serial downloader is enabled |
| * BOOT_MODE - see IMX6DQRM Table 8-1 |
| */ |
| if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */ |
| return BOOT_DEVICE_BOARD; |
| |
| /* |
| * The above method does not detect that the boot ROM used |
| * serial downloader in case the boot ROM decided to use the |
| * serial downloader as a fall back (primary boot source failed). |
| * |
| * Infer that the boot ROM used the USB serial downloader by |
| * checking whether the USB PHY is currently active... This |
| * assumes that SPL did not (yet) initialize the USB PHY... |
| */ |
| if (is_usbotg_phy_active()) |
| return BOOT_DEVICE_BOARD; |
| |
| /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */ |
| switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) { |
| /* EIM: See 8.5.1, Table 8-9 */ |
| case IMX6_BMODE_EMI: |
| /* BOOT_CFG1[3]: NOR/OneNAND Selection */ |
| switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) { |
| case IMX6_BMODE_ONENAND: |
| return BOOT_DEVICE_ONENAND; |
| case IMX6_BMODE_NOR: |
| return BOOT_DEVICE_NOR; |
| break; |
| } |
| /* Reserved: Used to force Serial Downloader */ |
| case IMX6_BMODE_RESERVED: |
| return BOOT_DEVICE_BOARD; |
| /* SATA: See 8.5.4, Table 8-20 */ |
| #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL) |
| case IMX6_BMODE_SATA: |
| return BOOT_DEVICE_SATA; |
| #endif |
| /* Serial ROM: See 8.5.5.1, Table 8-22 */ |
| case IMX6_BMODE_SERIAL_ROM: |
| /* BOOT_CFG4[2:0] */ |
| switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >> |
| IMX6_BMODE_SERIAL_ROM_SHIFT) { |
| case IMX6_BMODE_ECSPI1: |
| case IMX6_BMODE_ECSPI2: |
| case IMX6_BMODE_ECSPI3: |
| case IMX6_BMODE_ECSPI4: |
| case IMX6_BMODE_ECSPI5: |
| return BOOT_DEVICE_SPI; |
| case IMX6_BMODE_I2C1: |
| case IMX6_BMODE_I2C2: |
| case IMX6_BMODE_I2C3: |
| return BOOT_DEVICE_I2C; |
| } |
| break; |
| /* SD/eSD: 8.5.3, Table 8-15 */ |
| case IMX6_BMODE_SD: |
| case IMX6_BMODE_ESD: |
| return BOOT_DEVICE_MMC1; |
| /* MMC/eMMC: 8.5.3 */ |
| case IMX6_BMODE_MMC: |
| case IMX6_BMODE_EMMC: |
| return BOOT_DEVICE_MMC1; |
| /* NAND Flash: 8.5.2, Table 8-10 */ |
| case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX: |
| return BOOT_DEVICE_NAND; |
| } |
| return BOOT_DEVICE_NONE; |
| } |
| |
| #elif defined(CONFIG_MX7) || defined(CONFIG_MX8M) |
| /* Translate iMX7/MX8M boot device to the SPL boot device enumeration */ |
| u32 spl_boot_device(void) |
| { |
| #if defined(CONFIG_MX7) |
| unsigned int bmode = readl(&src_base->sbmr2); |
| |
| /* |
| * Check for BMODE if serial downloader is enabled |
| * BOOT_MODE - see IMX7DRM Table 6-24 |
| */ |
| if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */ |
| return BOOT_DEVICE_BOARD; |
| |
| /* |
| * The above method does not detect that the boot ROM used |
| * serial downloader in case the boot ROM decided to use the |
| * serial downloader as a fall back (primary boot source failed). |
| * |
| * Infer that the boot ROM used the USB serial downloader by |
| * checking whether the USB PHY is currently active... This |
| * assumes that SPL did not (yet) initialize the USB PHY... |
| */ |
| if (is_boot_from_usb()) |
| return BOOT_DEVICE_BOARD; |
| #endif |
| |
| enum boot_device boot_device_spl = get_boot_device(); |
| |
| switch (boot_device_spl) { |
| case SD1_BOOT: |
| case MMC1_BOOT: |
| case SD2_BOOT: |
| case MMC2_BOOT: |
| case SD3_BOOT: |
| case MMC3_BOOT: |
| return BOOT_DEVICE_MMC1; |
| case NAND_BOOT: |
| return BOOT_DEVICE_NAND; |
| case SPI_NOR_BOOT: |
| return BOOT_DEVICE_SPI; |
| case USB_BOOT: |
| return BOOT_DEVICE_USB; |
| default: |
| return BOOT_DEVICE_NONE; |
| } |
| } |
| #endif /* CONFIG_MX6 || CONFIG_MX7 || CONFIG_MX8M */ |
| |
| #ifdef CONFIG_SPL_USB_GADGET_SUPPORT |
| int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) |
| { |
| put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct); |
| |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_SPL_MMC_SUPPORT) |
| /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */ |
| u32 spl_boot_mode(const u32 boot_device) |
| { |
| switch (spl_boot_device()) { |
| /* for MMC return either RAW or FAT mode */ |
| case BOOT_DEVICE_MMC1: |
| case BOOT_DEVICE_MMC2: |
| #if defined(CONFIG_SPL_FAT_SUPPORT) |
| return MMCSD_MODE_FS; |
| #elif defined(CONFIG_SUPPORT_EMMC_BOOT) |
| return MMCSD_MODE_EMMCBOOT; |
| #else |
| return MMCSD_MODE_RAW; |
| #endif |
| break; |
| default: |
| puts("spl: ERROR: unsupported device\n"); |
| hang(); |
| } |
| } |
| #endif |
| |
| #if defined(CONFIG_SECURE_BOOT) |
| |
| /* |
| * +------------+ 0x0 (DDR_UIMAGE_START) - |
| * | Header | | |
| * +------------+ 0x40 | |
| * | | | |
| * | | | |
| * | | | |
| * | | | |
| * | Image Data | | |
| * . | | |
| * . | > Stuff to be authenticated ----+ |
| * . | | | |
| * | | | | |
| * | | | | |
| * +------------+ | | |
| * | | | | |
| * | Fill Data | | | |
| * | | | | |
| * +------------+ Align to ALIGN_SIZE | | |
| * | IVT | | | |
| * +------------+ + IVT_SIZE - | |
| * | | | |
| * | CSF DATA | <---------------------------------------------------------+ |
| * | | |
| * +------------+ |
| * | | |
| * | Fill Data | |
| * | | |
| * +------------+ + CSF_PAD_SIZE |
| */ |
| |
| __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) |
| { |
| typedef void __noreturn (*image_entry_noargs_t)(void); |
| uint32_t offset; |
| |
| image_entry_noargs_t image_entry = |
| (image_entry_noargs_t)(unsigned long)spl_image->entry_point; |
| |
| debug("image entry point: 0x%lX\n", spl_image->entry_point); |
| |
| /* HAB looks for the CSF at the end of the authenticated data therefore, |
| * we need to subtract the size of the CSF from the actual filesize */ |
| offset = spl_image->size - CONFIG_CSF_SIZE; |
| if (!imx_hab_authenticate_image(spl_image->load_addr, |
| offset + IVT_SIZE + CSF_PAD_SIZE, |
| offset)) { |
| image_entry(); |
| } else { |
| puts("spl: ERROR: image authentication unsuccessful\n"); |
| hang(); |
| } |
| } |
| |
| #endif |
| |
| #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT) |
| int dram_init_banksize(void) |
| { |
| gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; |
| gd->bd->bi_dram[0].size = imx_ddr_size(); |
| |
| return 0; |
| } |
| #endif |
