]>
Commit | Line | Data |
---|---|---|
887717db TH |
1 | /* |
2 | * Copyright (C) 2014 Gateworks Corporation | |
3 | * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. | |
4 | * | |
5 | * Author: Tim Harvey <tharvey@gateworks.com> | |
6 | * | |
7 | * SPDX-License-Identifier: GPL-2.0+ | |
8 | */ | |
9 | ||
10 | #include <common.h> | |
11 | #include <asm/io.h> | |
12 | #include <asm/arch/imx-regs.h> | |
cba586b4 | 13 | #include <asm/arch/sys_proto.h> |
887717db TH |
14 | #include <asm/spl.h> |
15 | #include <spl.h> | |
552a848e | 16 | #include <asm/mach-imx/hab.h> |
887717db TH |
17 | |
18 | #if defined(CONFIG_MX6) | |
f2863ff3 | 19 | /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */ |
887717db TH |
20 | u32 spl_boot_device(void) |
21 | { | |
7b54f5a8 | 22 | unsigned int bmode = readl(&src_base->sbmr2); |
cba586b4 | 23 | u32 reg = imx6_src_get_boot_mode(); |
887717db | 24 | |
40f4839c SB |
25 | /* |
26 | * Check for BMODE if serial downloader is enabled | |
27 | * BOOT_MODE - see IMX6DQRM Table 8-1 | |
28 | */ | |
ac0a93fd | 29 | if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */ |
962c78b1 | 30 | return BOOT_DEVICE_BOARD; |
96aac843 | 31 | |
887717db | 32 | /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */ |
96aac843 | 33 | switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) { |
887717db | 34 | /* EIM: See 8.5.1, Table 8-9 */ |
96aac843 | 35 | case IMX6_BMODE_EMI: |
887717db | 36 | /* BOOT_CFG1[3]: NOR/OneNAND Selection */ |
96aac843 JT |
37 | switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) { |
38 | case IMX6_BMODE_ONENAND: | |
887717db | 39 | return BOOT_DEVICE_ONENAND; |
96aac843 | 40 | case IMX6_BMODE_NOR: |
887717db TH |
41 | return BOOT_DEVICE_NOR; |
42 | break; | |
96aac843 | 43 | } |
ac0a93fd | 44 | /* Reserved: Used to force Serial Downloader */ |
3bd1642d | 45 | case IMX6_BMODE_RESERVED: |
962c78b1 | 46 | return BOOT_DEVICE_BOARD; |
887717db | 47 | /* SATA: See 8.5.4, Table 8-20 */ |
96aac843 | 48 | case IMX6_BMODE_SATA: |
887717db TH |
49 | return BOOT_DEVICE_SATA; |
50 | /* Serial ROM: See 8.5.5.1, Table 8-22 */ | |
96aac843 | 51 | case IMX6_BMODE_SERIAL_ROM: |
887717db | 52 | /* BOOT_CFG4[2:0] */ |
96aac843 JT |
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: | |
887717db | 60 | return BOOT_DEVICE_SPI; |
96aac843 JT |
61 | case IMX6_BMODE_I2C1: |
62 | case IMX6_BMODE_I2C2: | |
63 | case IMX6_BMODE_I2C3: | |
887717db TH |
64 | return BOOT_DEVICE_I2C; |
65 | } | |
66 | break; | |
67 | /* SD/eSD: 8.5.3, Table 8-15 */ | |
96aac843 JT |
68 | case IMX6_BMODE_SD: |
69 | case IMX6_BMODE_ESD: | |
51efabac | 70 | return BOOT_DEVICE_MMC1; |
887717db | 71 | /* MMC/eMMC: 8.5.3 */ |
96aac843 JT |
72 | case IMX6_BMODE_MMC: |
73 | case IMX6_BMODE_EMMC: | |
887717db | 74 | return BOOT_DEVICE_MMC1; |
20f14714 | 75 | /* NAND Flash: 8.5.2, Table 8-10 */ |
96aac843 | 76 | case IMX6_BMODE_NAND: |
887717db TH |
77 | return BOOT_DEVICE_NAND; |
78 | } | |
79 | return BOOT_DEVICE_NONE; | |
80 | } | |
81 | #endif | |
82 | ||
83 | #if defined(CONFIG_SPL_MMC_SUPPORT) | |
84 | /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */ | |
2b1cdafa | 85 | u32 spl_boot_mode(const u32 boot_device) |
887717db TH |
86 | { |
87 | switch (spl_boot_device()) { | |
88 | /* for MMC return either RAW or FAT mode */ | |
89 | case BOOT_DEVICE_MMC1: | |
90 | case BOOT_DEVICE_MMC2: | |
248802d4 | 91 | #if defined(CONFIG_SPL_FAT_SUPPORT) |
205b4f33 | 92 | return MMCSD_MODE_FS; |
248802d4 PA |
93 | #elif defined(CONFIG_SUPPORT_EMMC_BOOT) |
94 | return MMCSD_MODE_EMMCBOOT; | |
887717db TH |
95 | #else |
96 | return MMCSD_MODE_RAW; | |
97 | #endif | |
98 | break; | |
99 | default: | |
100 | puts("spl: ERROR: unsupported device\n"); | |
101 | hang(); | |
102 | } | |
103 | } | |
104 | #endif | |
15b505b0 SE |
105 | |
106 | #if defined(CONFIG_SECURE_BOOT) | |
107 | ||
108 | __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) | |
109 | { | |
110 | typedef void __noreturn (*image_entry_noargs_t)(void); | |
111 | ||
112 | image_entry_noargs_t image_entry = | |
113 | (image_entry_noargs_t)(unsigned long)spl_image->entry_point; | |
114 | ||
4386feb7 | 115 | debug("image entry point: 0x%lX\n", spl_image->entry_point); |
15b505b0 SE |
116 | |
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)) { | |
121 | image_entry(); | |
122 | } else { | |
123 | puts("spl: ERROR: image authentication unsuccessful\n"); | |
124 | hang(); | |
125 | } | |
126 | } | |
127 | ||
128 | #endif |