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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> |
c5c6f37a | 17 | #include <asm/mach-imx/boot_mode.h> |
511db3bf | 18 | #include <g_dnl.h> |
887717db | 19 | |
46668df5 JT |
20 | DECLARE_GLOBAL_DATA_PTR; |
21 | ||
887717db | 22 | #if defined(CONFIG_MX6) |
f2863ff3 | 23 | /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */ |
887717db TH |
24 | u32 spl_boot_device(void) |
25 | { | |
7b54f5a8 | 26 | unsigned int bmode = readl(&src_base->sbmr2); |
cba586b4 | 27 | u32 reg = imx6_src_get_boot_mode(); |
887717db | 28 | |
40f4839c SB |
29 | /* |
30 | * Check for BMODE if serial downloader is enabled | |
31 | * BOOT_MODE - see IMX6DQRM Table 8-1 | |
32 | */ | |
ac0a93fd | 33 | if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */ |
962c78b1 | 34 | return BOOT_DEVICE_BOARD; |
96aac843 | 35 | |
e203dcf2 SA |
36 | /* |
37 | * The above method does not detect that the boot ROM used | |
38 | * serial downloader in case the boot ROM decided to use the | |
39 | * serial downloader as a fall back (primary boot source failed). | |
40 | * | |
41 | * Infer that the boot ROM used the USB serial downloader by | |
42 | * checking whether the USB PHY is currently active... This | |
43 | * assumes that SPL did not (yet) initialize the USB PHY... | |
44 | */ | |
45 | if (is_usbotg_phy_active()) | |
46 | return BOOT_DEVICE_BOARD; | |
47 | ||
887717db | 48 | /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */ |
96aac843 | 49 | switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) { |
887717db | 50 | /* EIM: See 8.5.1, Table 8-9 */ |
96aac843 | 51 | case IMX6_BMODE_EMI: |
887717db | 52 | /* BOOT_CFG1[3]: NOR/OneNAND Selection */ |
96aac843 JT |
53 | switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) { |
54 | case IMX6_BMODE_ONENAND: | |
887717db | 55 | return BOOT_DEVICE_ONENAND; |
96aac843 | 56 | case IMX6_BMODE_NOR: |
887717db TH |
57 | return BOOT_DEVICE_NOR; |
58 | break; | |
96aac843 | 59 | } |
ac0a93fd | 60 | /* Reserved: Used to force Serial Downloader */ |
3bd1642d | 61 | case IMX6_BMODE_RESERVED: |
962c78b1 | 62 | return BOOT_DEVICE_BOARD; |
887717db | 63 | /* SATA: See 8.5.4, Table 8-20 */ |
624da53c | 64 | #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL) |
96aac843 | 65 | case IMX6_BMODE_SATA: |
887717db | 66 | return BOOT_DEVICE_SATA; |
624da53c | 67 | #endif |
887717db | 68 | /* Serial ROM: See 8.5.5.1, Table 8-22 */ |
96aac843 | 69 | case IMX6_BMODE_SERIAL_ROM: |
887717db | 70 | /* BOOT_CFG4[2:0] */ |
96aac843 JT |
71 | switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >> |
72 | IMX6_BMODE_SERIAL_ROM_SHIFT) { | |
73 | case IMX6_BMODE_ECSPI1: | |
74 | case IMX6_BMODE_ECSPI2: | |
75 | case IMX6_BMODE_ECSPI3: | |
76 | case IMX6_BMODE_ECSPI4: | |
77 | case IMX6_BMODE_ECSPI5: | |
887717db | 78 | return BOOT_DEVICE_SPI; |
96aac843 JT |
79 | case IMX6_BMODE_I2C1: |
80 | case IMX6_BMODE_I2C2: | |
81 | case IMX6_BMODE_I2C3: | |
887717db TH |
82 | return BOOT_DEVICE_I2C; |
83 | } | |
84 | break; | |
85 | /* SD/eSD: 8.5.3, Table 8-15 */ | |
96aac843 JT |
86 | case IMX6_BMODE_SD: |
87 | case IMX6_BMODE_ESD: | |
51efabac | 88 | return BOOT_DEVICE_MMC1; |
887717db | 89 | /* MMC/eMMC: 8.5.3 */ |
96aac843 JT |
90 | case IMX6_BMODE_MMC: |
91 | case IMX6_BMODE_EMMC: | |
887717db | 92 | return BOOT_DEVICE_MMC1; |
20f14714 | 93 | /* NAND Flash: 8.5.2, Table 8-10 */ |
af104ae5 | 94 | case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX: |
887717db TH |
95 | return BOOT_DEVICE_NAND; |
96 | } | |
97 | return BOOT_DEVICE_NONE; | |
98 | } | |
511db3bf | 99 | |
d7cb10a0 PF |
100 | #elif defined(CONFIG_MX7) || defined(CONFIG_MX8M) |
101 | /* Translate iMX7/MX8M boot device to the SPL boot device enumeration */ | |
c5c6f37a UM |
102 | u32 spl_boot_device(void) |
103 | { | |
104 | enum boot_device boot_device_spl = get_boot_device(); | |
105 | ||
106 | switch (boot_device_spl) { | |
107 | case SD1_BOOT: | |
108 | case MMC1_BOOT: | |
c5c6f37a UM |
109 | case SD2_BOOT: |
110 | case MMC2_BOOT: | |
e7528a3d EM |
111 | case SD3_BOOT: |
112 | case MMC3_BOOT: | |
cd9f3ff6 | 113 | return BOOT_DEVICE_MMC1; |
e7528a3d EM |
114 | case NAND_BOOT: |
115 | return BOOT_DEVICE_NAND; | |
c5c6f37a UM |
116 | case SPI_NOR_BOOT: |
117 | return BOOT_DEVICE_SPI; | |
d7cb10a0 PF |
118 | case USB_BOOT: |
119 | return BOOT_DEVICE_USB; | |
c5c6f37a UM |
120 | default: |
121 | return BOOT_DEVICE_NONE; | |
122 | } | |
123 | } | |
d7cb10a0 | 124 | #endif /* CONFIG_MX6 || CONFIG_MX7 || CONFIG_MX8M */ |
c5c6f37a | 125 | |
511db3bf FE |
126 | #ifdef CONFIG_SPL_USB_GADGET_SUPPORT |
127 | int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) | |
128 | { | |
a95aee6a | 129 | put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct); |
511db3bf FE |
130 | |
131 | return 0; | |
132 | } | |
133 | #endif | |
887717db | 134 | |
15b505b0 SE |
135 | #if defined(CONFIG_SECURE_BOOT) |
136 | ||
c5800b25 BD |
137 | /* |
138 | * +------------+ 0x0 (DDR_UIMAGE_START) - | |
139 | * | Header | | | |
140 | * +------------+ 0x40 | | |
141 | * | | | | |
142 | * | | | | |
143 | * | | | | |
144 | * | | | | |
145 | * | Image Data | | | |
146 | * . | | | |
147 | * . | > Stuff to be authenticated ----+ | |
148 | * . | | | | |
149 | * | | | | | |
150 | * | | | | | |
151 | * +------------+ | | | |
152 | * | | | | | |
153 | * | Fill Data | | | | |
154 | * | | | | | |
155 | * +------------+ Align to ALIGN_SIZE | | | |
156 | * | IVT | | | | |
157 | * +------------+ + IVT_SIZE - | | |
158 | * | | | | |
159 | * | CSF DATA | <---------------------------------------------------------+ | |
160 | * | | | |
161 | * +------------+ | |
162 | * | | | |
163 | * | Fill Data | | |
164 | * | | | |
165 | * +------------+ + CSF_PAD_SIZE | |
166 | */ | |
167 | ||
15b505b0 SE |
168 | __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) |
169 | { | |
170 | typedef void __noreturn (*image_entry_noargs_t)(void); | |
c5800b25 | 171 | uint32_t offset; |
15b505b0 SE |
172 | |
173 | image_entry_noargs_t image_entry = | |
174 | (image_entry_noargs_t)(unsigned long)spl_image->entry_point; | |
175 | ||
4386feb7 | 176 | debug("image entry point: 0x%lX\n", spl_image->entry_point); |
15b505b0 SE |
177 | |
178 | /* HAB looks for the CSF at the end of the authenticated data therefore, | |
179 | * we need to subtract the size of the CSF from the actual filesize */ | |
c5800b25 | 180 | offset = spl_image->size - CONFIG_CSF_SIZE; |
57f65486 BD |
181 | if (!imx_hab_authenticate_image(spl_image->load_addr, |
182 | offset + IVT_SIZE + CSF_PAD_SIZE, | |
183 | offset)) { | |
15b505b0 SE |
184 | image_entry(); |
185 | } else { | |
186 | puts("spl: ERROR: image authentication unsuccessful\n"); | |
187 | hang(); | |
188 | } | |
189 | } | |
190 | ||
191 | #endif | |
46668df5 JT |
192 | |
193 | #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT) | |
194 | int dram_init_banksize(void) | |
195 | { | |
196 | gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; | |
197 | gd->bd->bi_dram[0].size = imx_ddr_size(); | |
198 | ||
199 | return 0; | |
200 | } | |
201 | #endif |