diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/Kconfig | 7 | ||||
| -rw-r--r-- | cmd/Makefile | 2 | ||||
| -rw-r--r-- | cmd/bootefi.c | 131 | ||||
| -rw-r--r-- | cmd/fs.c | 3 | ||||
| -rw-r--r-- | cmd/nvedit.c | 3 |
5 files changed, 115 insertions, 31 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index fe8b4f0510..8703cdb4a9 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -173,6 +173,13 @@ config CMD_ELF help Boot an ELF/vxWorks image from the memory. +config CMD_FDT + bool "Flattened Device Tree utility commands" + default y + depends on OF_LIBFDT + help + Do FDT related setup before booting into the Operating System. + config CMD_GO bool "go" default y diff --git a/cmd/Makefile b/cmd/Makefile index ba04197307..f95759e670 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -54,7 +54,7 @@ obj-$(CONFIG_CMD_EXT4) += ext4.o obj-$(CONFIG_CMD_EXT2) += ext2.o obj-$(CONFIG_CMD_FAT) += fat.o obj-$(CONFIG_CMD_FDC) += fdc.o -obj-$(CONFIG_OF_LIBFDT) += fdt.o +obj-$(CONFIG_CMD_FDT) += fdt.o obj-$(CONFIG_CMD_FITUPD) += fitupd.o obj-$(CONFIG_CMD_FLASH) += flash.o ifdef CONFIG_FPGA diff --git a/cmd/bootefi.c b/cmd/bootefi.c index 3add632bc4..7f552fc0d4 100644 --- a/cmd/bootefi.c +++ b/cmd/bootefi.c @@ -12,6 +12,10 @@ #include <errno.h> #include <libfdt.h> #include <libfdt_env.h> +#include <memalign.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; /* * When booting using the "bootefi" command, we don't know which @@ -34,17 +38,30 @@ static struct efi_device_path_file_path bootefi_image_path[] = { } }; +static struct efi_device_path_file_path bootefi_device_path[] = { + { + .dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE, + .dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH, + .dp.length = sizeof(bootefi_image_path[0]), + .str = { 'b','o','o','t','e','f','i' }, + }, { + .dp.type = DEVICE_PATH_TYPE_END, + .dp.sub_type = DEVICE_PATH_SUB_TYPE_END, + .dp.length = sizeof(bootefi_image_path[0]), + } +}; + static efi_status_t bootefi_open_dp(void *handle, efi_guid_t *protocol, void **protocol_interface, void *agent_handle, void *controller_handle, uint32_t attributes) { - *protocol_interface = bootefi_image_path; + *protocol_interface = bootefi_device_path; return EFI_SUCCESS; } /* The EFI loaded_image interface for the image executed via "bootefi" */ static struct efi_loaded_image loaded_image_info = { - .device_handle = bootefi_image_path, + .device_handle = bootefi_device_path, .file_path = bootefi_image_path, }; @@ -63,7 +80,7 @@ static struct efi_object loaded_image_info_obj = { { /* * When asking for the device path interface, return - * bootefi_image_path + * bootefi_device_path */ .guid = &efi_guid_device_path, .open = &bootefi_open_dp, @@ -73,22 +90,59 @@ static struct efi_object loaded_image_info_obj = { /* The EFI object struct for the device the "bootefi" image was loaded from */ static struct efi_object bootefi_device_obj = { - .handle = bootefi_image_path, + .handle = bootefi_device_path, .protocols = { { /* When asking for the device path interface, return - * bootefi_image_path */ + * bootefi_device_path */ .guid = &efi_guid_device_path, .open = &bootefi_open_dp, } }, }; +static void *copy_fdt(void *fdt) +{ + u64 fdt_size = fdt_totalsize(fdt); + unsigned long fdt_ram_start = -1L, fdt_pages; + u64 new_fdt_addr; + void *new_fdt; + int i; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + u64 ram_start = gd->bd->bi_dram[i].start; + u64 ram_size = gd->bd->bi_dram[i].size; + + if (!ram_size) + continue; + + if (ram_start < fdt_ram_start) + fdt_ram_start = ram_start; + } + + /* Give us at least 4kb breathing room */ + fdt_size = ALIGN(fdt_size + 4096, 4096); + fdt_pages = fdt_size >> EFI_PAGE_SHIFT; + + /* Safe fdt location is at 128MB */ + new_fdt_addr = fdt_ram_start + (128 * 1024 * 1024) + fdt_size; + if (efi_allocate_pages(1, EFI_BOOT_SERVICES_DATA, fdt_pages, + &new_fdt_addr) != EFI_SUCCESS) { + /* If we can't put it there, put it somewhere */ + new_fdt_addr = (ulong)memalign(4096, fdt_size); + } + new_fdt = (void*)(ulong)new_fdt_addr; + memcpy(new_fdt, fdt, fdt_totalsize(fdt)); + fdt_set_totalsize(new_fdt, fdt_size); + + return new_fdt; +} + /* * Load an EFI payload into a newly allocated piece of memory, register all * EFI objects it would want to access and jump to it. */ -static unsigned long do_bootefi_exec(void *efi) +static unsigned long do_bootefi_exec(void *efi, void *fdt) { ulong (*entry)(void *image_handle, struct efi_system_table *st); ulong fdt_pages, fdt_size, fdt_start, fdt_end; @@ -100,32 +154,31 @@ static unsigned long do_bootefi_exec(void *efi) */ efi_save_gd(); - /* Update system table to point to our currently loaded FDT */ - - if (working_fdt) { + if (fdt && !fdt_check_header(fdt)) { /* Prepare fdt for payload */ - if (image_setup_libfdt(&img, working_fdt, 0, NULL)) { + fdt = copy_fdt(fdt); + + if (image_setup_libfdt(&img, fdt, 0, NULL)) { printf("ERROR: Failed to process device tree\n"); return -EINVAL; } /* Link to it in the efi tables */ systab.tables[0].guid = EFI_FDT_GUID; - systab.tables[0].table = working_fdt; + systab.tables[0].table = fdt; systab.nr_tables = 1; /* And reserve the space in the memory map */ - fdt_start = ((ulong)working_fdt) & ~EFI_PAGE_MASK; - fdt_end = ((ulong)working_fdt) + fdt_totalsize(working_fdt); + fdt_start = ((ulong)fdt) & ~EFI_PAGE_MASK; + fdt_end = ((ulong)fdt) + fdt_totalsize(fdt); fdt_size = (fdt_end - fdt_start) + EFI_PAGE_MASK; fdt_pages = fdt_size >> EFI_PAGE_SHIFT; /* Give a bootloader the chance to modify the device tree */ fdt_pages += 2; efi_add_memory_map(fdt_start, fdt_pages, EFI_BOOT_SERVICES_DATA, true); - } else { - printf("WARNING: No device tree loaded, expect boot to fail\n"); + printf("WARNING: Invalid device tree, expect boot to fail\n"); systab.nr_tables = 0; } @@ -156,8 +209,8 @@ static unsigned long do_bootefi_exec(void *efi) /* Interpreter command to boot an arbitrary EFI image from memory */ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - char *saddr; - unsigned long addr; + char *saddr, *sfdt; + unsigned long addr, fdt_addr = 0; int r = 0; if (argc < 2) @@ -166,8 +219,13 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) addr = simple_strtoul(saddr, NULL, 16); + if (argc > 2) { + sfdt = argv[2]; + fdt_addr = simple_strtoul(sfdt, NULL, 16); + } + printf("## Starting EFI application at 0x%08lx ...\n", addr); - r = do_bootefi_exec((void *)addr); + r = do_bootefi_exec((void *)addr, (void*)fdt_addr); printf("## Application terminated, r = %d\n", r); if (r != 0) @@ -178,32 +236,49 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #ifdef CONFIG_SYS_LONGHELP static char bootefi_help_text[] = - "<image address>\n" - " - boot EFI payload stored at address <image address>\n" - "\n" - "Since most EFI payloads want to have a device tree provided, please\n" - "make sure you load a device tree using the fdt addr command before\n" - "executing bootefi.\n"; + "<image address> [fdt address]\n" + " - boot EFI payload stored at address <image address>.\n" + " If specified, the device tree located at <fdt address> gets\n" + " exposed as EFI configuration table.\n"; #endif U_BOOT_CMD( - bootefi, 2, 0, do_bootefi, + bootefi, 3, 0, do_bootefi, "Boots an EFI payload from memory\n", bootefi_help_text ); -void efi_set_bootdev(const char *dev, const char *devnr) +void efi_set_bootdev(const char *dev, const char *devnr, const char *path) { - char devname[16] = { 0 }; /* dp->str is u16[16] long */ + __maybe_unused struct blk_desc *desc; + char devname[32] = { 0 }; /* dp->str is u16[32] long */ char *colon; /* Assemble the condensed device name we use in efi_disk.c */ snprintf(devname, sizeof(devname), "%s%s", dev, devnr); colon = strchr(devname, ':'); + +#ifdef CONFIG_ISO_PARTITION + /* For ISOs we create partition block devices */ + desc = blk_get_dev(dev, simple_strtol(devnr, NULL, 10)); + if (desc && (desc->type != DEV_TYPE_UNKNOWN) && + (desc->part_type == PART_TYPE_ISO)) { + if (!colon) + snprintf(devname, sizeof(devname), "%s%s:1", dev, + devnr); + colon = NULL; + } +#endif + if (colon) *colon = '\0'; - /* Patch the bootefi_image_path to the target device */ + /* Patch bootefi_device_path to the target device */ + memset(bootefi_device_path[0].str, 0, sizeof(bootefi_device_path[0].str)); + ascii2unicode(bootefi_device_path[0].str, devname); + + /* Patch bootefi_image_path to the target file path */ memset(bootefi_image_path[0].str, 0, sizeof(bootefi_image_path[0].str)); + snprintf(devname, sizeof(devname), "%s", path); ascii2unicode(bootefi_image_path[0].str, devname); } @@ -27,7 +27,8 @@ U_BOOT_CMD( static int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : ""); + efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "", + (argc > 4) ? argv[4] : ""); return do_load(cmdtp, flag, argc, argv, FS_TYPE_ANY); } diff --git a/cmd/nvedit.c b/cmd/nvedit.c index 9cf884ee58..b67563bd68 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -49,12 +49,13 @@ DECLARE_GLOBAL_DATA_PTR; !defined(CONFIG_ENV_IS_IN_NAND) && \ !defined(CONFIG_ENV_IS_IN_NVRAM) && \ !defined(CONFIG_ENV_IS_IN_ONENAND) && \ + !defined(CONFIG_ENV_IS_IN_SATA) && \ !defined(CONFIG_ENV_IS_IN_SPI_FLASH) && \ !defined(CONFIG_ENV_IS_IN_REMOTE) && \ !defined(CONFIG_ENV_IS_IN_UBI) && \ !defined(CONFIG_ENV_IS_NOWHERE) # error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|DATAFLASH|ONENAND|\ -SPI_FLASH|NVRAM|MMC|FAT|EXT4|REMOTE|UBI} or CONFIG_ENV_IS_NOWHERE +SATA|SPI_FLASH|NVRAM|MMC|FAT|EXT4|REMOTE|UBI} or CONFIG_ENV_IS_NOWHERE #endif /* |