2 * Copyright (C) 2014 Gateworks Corporation
3 * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
5 * Author: Tim Harvey <tharvey@gateworks.com>
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/sys_proto.h>
16 #include <asm/mach-imx/hab.h>
18 #if defined(CONFIG_MX6)
19 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
20 u32 spl_boot_device(void)
22 unsigned int bmode = readl(&src_base->sbmr2);
23 u32 reg = imx6_src_get_boot_mode();
26 * Check for BMODE if serial downloader is enabled
27 * BOOT_MODE - see IMX6DQRM Table 8-1
29 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
30 return BOOT_DEVICE_UART;
32 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
33 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
34 /* EIM: See 8.5.1, Table 8-9 */
36 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
37 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
38 case IMX6_BMODE_ONENAND:
39 return BOOT_DEVICE_ONENAND;
41 return BOOT_DEVICE_NOR;
44 /* Reserved: Used to force Serial Downloader */
46 return BOOT_DEVICE_UART;
47 /* SATA: See 8.5.4, Table 8-20 */
49 return BOOT_DEVICE_SATA;
50 /* Serial ROM: See 8.5.5.1, Table 8-22 */
51 case IMX6_BMODE_SERIAL_ROM:
53 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
54 IMX6_BMODE_SERIAL_ROM_SHIFT) {
55 case IMX6_BMODE_ECSPI1:
56 case IMX6_BMODE_ECSPI2:
57 case IMX6_BMODE_ECSPI3:
58 case IMX6_BMODE_ECSPI4:
59 case IMX6_BMODE_ECSPI5:
60 return BOOT_DEVICE_SPI;
64 return BOOT_DEVICE_I2C;
67 /* SD/eSD: 8.5.3, Table 8-15 */
70 return BOOT_DEVICE_MMC1;
74 return BOOT_DEVICE_MMC1;
75 /* NAND Flash: 8.5.2, Table 8-10 */
77 return BOOT_DEVICE_NAND;
79 return BOOT_DEVICE_NONE;
83 #if defined(CONFIG_SPL_MMC_SUPPORT)
84 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
85 u32 spl_boot_mode(const u32 boot_device)
87 switch (spl_boot_device()) {
88 /* for MMC return either RAW or FAT mode */
89 case BOOT_DEVICE_MMC1:
90 case BOOT_DEVICE_MMC2:
91 #if defined(CONFIG_SPL_FAT_SUPPORT)
93 #elif defined(CONFIG_SUPPORT_EMMC_BOOT)
94 return MMCSD_MODE_EMMCBOOT;
96 return MMCSD_MODE_RAW;
100 puts("spl: ERROR: unsupported device\n");
106 #if defined(CONFIG_SECURE_BOOT)
108 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
110 typedef void __noreturn (*image_entry_noargs_t)(void);
112 image_entry_noargs_t image_entry =
113 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
115 debug("image entry point: 0x%lX\n", spl_image->entry_point);
117 /* HAB looks for the CSF at the end of the authenticated data therefore,
118 * we need to subtract the size of the CSF from the actual filesize */
119 if (authenticate_image(spl_image->load_addr,
120 spl_image->size - CONFIG_CSF_SIZE)) {
123 puts("spl: ERROR: image authentication unsuccessful\n");