1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2014 Gateworks Corporation 4 * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. 5 * 6 * Author: Tim Harvey <tharvey@gateworks.com> 7 */ 8 9 #include <common.h> 10 #include <asm/io.h> 11 #include <asm/arch/imx-regs.h> 12 #include <asm/arch/sys_proto.h> 13 #include <asm/spl.h> 14 #include <spl.h> 15 #include <asm/mach-imx/hab.h> 16 #include <asm/mach-imx/boot_mode.h> 17 #include <g_dnl.h> 18 19 DECLARE_GLOBAL_DATA_PTR; 20 21 #if defined(CONFIG_MX6) 22 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */ 23 u32 spl_boot_device(void) 24 { 25 unsigned int bmode = readl(&src_base->sbmr2); 26 u32 reg = imx6_src_get_boot_mode(); 27 28 /* 29 * Check for BMODE if serial downloader is enabled 30 * BOOT_MODE - see IMX6DQRM Table 8-1 31 */ 32 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */ 33 return BOOT_DEVICE_BOARD; 34 35 /* 36 * The above method does not detect that the boot ROM used 37 * serial downloader in case the boot ROM decided to use the 38 * serial downloader as a fall back (primary boot source failed). 39 * 40 * Infer that the boot ROM used the USB serial downloader by 41 * checking whether the USB PHY is currently active... This 42 * assumes that SPL did not (yet) initialize the USB PHY... 43 */ 44 if (is_usbotg_phy_active()) 45 return BOOT_DEVICE_BOARD; 46 47 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */ 48 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) { 49 /* EIM: See 8.5.1, Table 8-9 */ 50 case IMX6_BMODE_EMI: 51 /* BOOT_CFG1[3]: NOR/OneNAND Selection */ 52 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) { 53 case IMX6_BMODE_ONENAND: 54 return BOOT_DEVICE_ONENAND; 55 case IMX6_BMODE_NOR: 56 return BOOT_DEVICE_NOR; 57 break; 58 } 59 /* Reserved: Used to force Serial Downloader */ 60 case IMX6_BMODE_RESERVED: 61 return BOOT_DEVICE_BOARD; 62 /* SATA: See 8.5.4, Table 8-20 */ 63 #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL) 64 case IMX6_BMODE_SATA: 65 return BOOT_DEVICE_SATA; 66 #endif 67 /* Serial ROM: See 8.5.5.1, Table 8-22 */ 68 case IMX6_BMODE_SERIAL_ROM: 69 /* BOOT_CFG4[2:0] */ 70 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >> 71 IMX6_BMODE_SERIAL_ROM_SHIFT) { 72 case IMX6_BMODE_ECSPI1: 73 case IMX6_BMODE_ECSPI2: 74 case IMX6_BMODE_ECSPI3: 75 case IMX6_BMODE_ECSPI4: 76 case IMX6_BMODE_ECSPI5: 77 return BOOT_DEVICE_SPI; 78 case IMX6_BMODE_I2C1: 79 case IMX6_BMODE_I2C2: 80 case IMX6_BMODE_I2C3: 81 return BOOT_DEVICE_I2C; 82 } 83 break; 84 /* SD/eSD: 8.5.3, Table 8-15 */ 85 case IMX6_BMODE_SD: 86 case IMX6_BMODE_ESD: 87 return BOOT_DEVICE_MMC1; 88 /* MMC/eMMC: 8.5.3 */ 89 case IMX6_BMODE_MMC: 90 case IMX6_BMODE_EMMC: 91 return BOOT_DEVICE_MMC1; 92 /* NAND Flash: 8.5.2, Table 8-10 */ 93 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX: 94 return BOOT_DEVICE_NAND; 95 } 96 return BOOT_DEVICE_NONE; 97 } 98 99 #elif defined(CONFIG_MX7) || defined(CONFIG_MX8M) 100 /* Translate iMX7/MX8M boot device to the SPL boot device enumeration */ 101 u32 spl_boot_device(void) 102 { 103 #if defined(CONFIG_MX7) 104 unsigned int bmode = readl(&src_base->sbmr2); 105 106 /* 107 * Check for BMODE if serial downloader is enabled 108 * BOOT_MODE - see IMX7DRM Table 6-24 109 */ 110 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */ 111 return BOOT_DEVICE_BOARD; 112 113 /* 114 * The above method does not detect that the boot ROM used 115 * serial downloader in case the boot ROM decided to use the 116 * serial downloader as a fall back (primary boot source failed). 117 * 118 * Infer that the boot ROM used the USB serial downloader by 119 * checking whether the USB PHY is currently active... This 120 * assumes that SPL did not (yet) initialize the USB PHY... 121 */ 122 if (is_boot_from_usb()) 123 return BOOT_DEVICE_BOARD; 124 #endif 125 126 enum boot_device boot_device_spl = get_boot_device(); 127 128 switch (boot_device_spl) { 129 case SD1_BOOT: 130 case MMC1_BOOT: 131 case SD2_BOOT: 132 case MMC2_BOOT: 133 case SD3_BOOT: 134 case MMC3_BOOT: 135 return BOOT_DEVICE_MMC1; 136 case NAND_BOOT: 137 return BOOT_DEVICE_NAND; 138 case SPI_NOR_BOOT: 139 return BOOT_DEVICE_SPI; 140 case USB_BOOT: 141 return BOOT_DEVICE_USB; 142 default: 143 return BOOT_DEVICE_NONE; 144 } 145 } 146 #endif /* CONFIG_MX6 || CONFIG_MX7 || CONFIG_MX8M */ 147 148 #ifdef CONFIG_SPL_USB_GADGET_SUPPORT 149 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) 150 { 151 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct); 152 153 return 0; 154 } 155 #endif 156 157 #if defined(CONFIG_SPL_MMC_SUPPORT) 158 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */ 159 u32 spl_boot_mode(const u32 boot_device) 160 { 161 switch (spl_boot_device()) { 162 /* for MMC return either RAW or FAT mode */ 163 case BOOT_DEVICE_MMC1: 164 case BOOT_DEVICE_MMC2: 165 #if defined(CONFIG_SPL_FAT_SUPPORT) 166 return MMCSD_MODE_FS; 167 #elif defined(CONFIG_SUPPORT_EMMC_BOOT) 168 return MMCSD_MODE_EMMCBOOT; 169 #else 170 return MMCSD_MODE_RAW; 171 #endif 172 break; 173 default: 174 puts("spl: ERROR: unsupported device\n"); 175 hang(); 176 } 177 } 178 #endif 179 180 #if defined(CONFIG_SECURE_BOOT) 181 182 /* 183 * +------------+ 0x0 (DDR_UIMAGE_START) - 184 * | Header | | 185 * +------------+ 0x40 | 186 * | | | 187 * | | | 188 * | | | 189 * | | | 190 * | Image Data | | 191 * . | | 192 * . | > Stuff to be authenticated ----+ 193 * . | | | 194 * | | | | 195 * | | | | 196 * +------------+ | | 197 * | | | | 198 * | Fill Data | | | 199 * | | | | 200 * +------------+ Align to ALIGN_SIZE | | 201 * | IVT | | | 202 * +------------+ + IVT_SIZE - | 203 * | | | 204 * | CSF DATA | <---------------------------------------------------------+ 205 * | | 206 * +------------+ 207 * | | 208 * | Fill Data | 209 * | | 210 * +------------+ + CSF_PAD_SIZE 211 */ 212 213 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) 214 { 215 typedef void __noreturn (*image_entry_noargs_t)(void); 216 uint32_t offset; 217 218 image_entry_noargs_t image_entry = 219 (image_entry_noargs_t)(unsigned long)spl_image->entry_point; 220 221 debug("image entry point: 0x%lX\n", spl_image->entry_point); 222 223 /* HAB looks for the CSF at the end of the authenticated data therefore, 224 * we need to subtract the size of the CSF from the actual filesize */ 225 offset = spl_image->size - CONFIG_CSF_SIZE; 226 if (!imx_hab_authenticate_image(spl_image->load_addr, 227 offset + IVT_SIZE + CSF_PAD_SIZE, 228 offset)) { 229 image_entry(); 230 } else { 231 puts("spl: ERROR: image authentication unsuccessful\n"); 232 hang(); 233 } 234 } 235 236 #endif 237 238 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT) 239 int dram_init_banksize(void) 240 { 241 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; 242 gd->bd->bi_dram[0].size = imx_ddr_size(); 243 244 return 0; 245 } 246 #endif 247