Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 | // 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; __weak int spl_board_boot_device(enum boot_device boot_dev_spl) { return 0; } #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; #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) /* QSPI boot */ case IMX6_BMODE_QSPI: return BOOT_DEVICE_SPI; #endif } return BOOT_DEVICE_NONE; } #elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8) /* Translate iMX7/i.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(); if (IS_ENABLED(CONFIG_IMX8MM) || IS_ENABLED(CONFIG_IMX8MN)) return spl_board_boot_device(boot_device_spl); switch (boot_device_spl) { #if defined(CONFIG_MX7) case SD1_BOOT: case MMC1_BOOT: case SD2_BOOT: case MMC2_BOOT: case SD3_BOOT: case MMC3_BOOT: return BOOT_DEVICE_MMC1; #elif defined(CONFIG_IMX8) case MMC1_BOOT: return BOOT_DEVICE_MMC1; case SD2_BOOT: return BOOT_DEVICE_MMC2_2; case SD3_BOOT: return BOOT_DEVICE_MMC1; case FLEXSPI_BOOT: return BOOT_DEVICE_SPI; #elif defined(CONFIG_IMX8M) case SD1_BOOT: case MMC1_BOOT: return BOOT_DEVICE_MMC1; case SD2_BOOT: case MMC2_BOOT: return BOOT_DEVICE_MMC2; #endif 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_MX7 || CONFIG_IMX8M || CONFIG_IMX8 */ #ifdef CONFIG_SPL_USB_GADGET 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) { #if defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8) switch (get_boot_device()) { /* for MMC return either RAW or FAT mode */ case SD1_BOOT: case SD2_BOOT: case SD3_BOOT: #if defined(CONFIG_SPL_FAT_SUPPORT) return MMCSD_MODE_FS; #else return MMCSD_MODE_RAW; #endif break; case MMC1_BOOT: case MMC2_BOOT: case MMC3_BOOT: #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(); } #else /* * When CONFIG_SPL_FORCE_MMC_BOOT is defined the 'boot_device' is used * unconditionally to decide about device to use for booting. * This is crucial for falcon boot mode, when board boots up (i.e. ROM * loads SPL) from slow SPI-NOR memory and afterwards the SPL's 'falcon' boot * mode is used to load Linux OS from eMMC partition. */ #ifdef CONFIG_SPL_FORCE_MMC_BOOT switch (boot_device) { #else switch (spl_boot_device()) { #endif /* for MMC return either RAW or FAT mode */ case BOOT_DEVICE_MMC1: case BOOT_DEVICE_MMC2: case BOOT_DEVICE_MMC2_2: #if defined(CONFIG_SPL_FS_FAT) 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 } #endif #if defined(CONFIG_IMX_HAB) /* * +------------+ 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); if (spl_image->flags & SPL_FIT_FOUND) { image_entry(); } else { /* * 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 fail\n"); hang(); } } } #if !defined(CONFIG_SPL_FIT_SIGNATURE) ulong board_spl_fit_size_align(ulong size) { /* * HAB authenticate_image requests the IVT offset is * aligned to 0x1000 */ size = ALIGN(size, 0x1000); size += CONFIG_CSF_SIZE; return size; } void board_spl_fit_post_load(ulong load_addr, size_t length) { u32 offset = length - CONFIG_CSF_SIZE; if (imx_hab_authenticate_image(load_addr, offset + IVT_SIZE + CSF_PAD_SIZE, offset)) { puts("spl: ERROR: image authentication unsuccessful\n"); hang(); } } #endif #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 |