X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fcmd_bootm.c;h=2721216bf35eba2418efa60874703c7214eb3e05;hb=aea03c4e8c3a21ce43d3faf48a6e6d474c8bdf73;hp=aeb7842aefa6872c4f926bc8a62e6b094914651c;hpb=2770bcb21c82835a5351176e5b2a9221d7fc8ef9;p=karo-tx-uboot.git diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index aeb7842aef..2721216bf3 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -34,10 +34,16 @@ #include #include -#ifdef CONFIG_OF_FLAT_TREE +#if defined(CONFIG_OF_LIBFDT) +#include +#include +#endif +#if defined(CONFIG_OF_FLAT_TREE) #include #endif +DECLARE_GLOBAL_DATA_PTR; + /*cmd_boot.c*/ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); @@ -240,24 +246,26 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) len_ptr = (ulong *)data; -#if defined(__PPC__) - if (hdr->ih_arch != IH_CPU_PPC) -#elif defined(__ARM__) +#if defined(__ARM__) if (hdr->ih_arch != IH_CPU_ARM) +#elif defined(__avr32__) + if (hdr->ih_arch != IH_CPU_AVR32) +#elif defined(__bfin__) + if (hdr->ih_arch != IH_CPU_BLACKFIN) #elif defined(__I386__) if (hdr->ih_arch != IH_CPU_I386) -#elif defined(__mips__) - if (hdr->ih_arch != IH_CPU_MIPS) -#elif defined(__nios__) - if (hdr->ih_arch != IH_CPU_NIOS) #elif defined(__M68K__) if (hdr->ih_arch != IH_CPU_M68K) #elif defined(__microblaze__) if (hdr->ih_arch != IH_CPU_MICROBLAZE) +#elif defined(__mips__) + if (hdr->ih_arch != IH_CPU_MIPS) +#elif defined(__nios__) + if (hdr->ih_arch != IH_CPU_NIOS) #elif defined(__nios2__) if (hdr->ih_arch != IH_CPU_NIOS2) -#elif defined(__blackfin__) - if (hdr->ih_arch != IH_CPU_BLACKFIN) +#elif defined(__PPC__) + if (hdr->ih_arch != IH_CPU_PPC) #else # error Unknown CPU type #endif @@ -463,13 +471,19 @@ U_BOOT_CMD( "[addr [arg ...]]\n - boot application image stored in memory\n" "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n" "\t'arg' can be the address of an initrd image\n" +#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT) + "\tWhen booting a Linux kernel which requires a flat device-tree\n" + "\ta third argument is required which is the address of the of the\n" + "\tdevice-tree blob. To boot that kernel without an initrd image,\n" + "\tuse a '-' for the second argument. If you do not pass a third\n" + "\ta bd_info struct will be passed instead\n" +#endif ); #ifdef CONFIG_SILENT_CONSOLE static void fixup_silent_linux () { - DECLARE_GLOBAL_DATA_PTR; char buf[256], *start, *end; char *cmdline = getenv ("bootargs"); @@ -499,21 +513,14 @@ fixup_silent_linux () } #endif /* CONFIG_SILENT_CONSOLE */ -#ifdef CONFIG_OF_FLAT_TREE -extern const unsigned char oftree_dtb[]; -extern const unsigned int oftree_dtb_len; -#endif - #ifdef CONFIG_PPC -static void +static void __attribute__((noinline)) do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], ulong addr, ulong *len_ptr, int verify) { - DECLARE_GLOBAL_DATA_PTR; - ulong sp; ulong len, checksum; ulong initrd_start, initrd_end; @@ -526,8 +533,9 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, bd_t *kbd; void (*kernel)(bd_t *, ulong, ulong, ulong, ulong); image_header_t *hdr = &header; -#ifdef CONFIG_OF_FLAT_TREE - char *of_flat_tree; +#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT) + char *of_flat_tree = NULL; + ulong of_data = 0; #endif if ((s = getenv ("initrd_high")) != NULL) { @@ -617,7 +625,17 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, /* * Check if there is an initrd image */ + +#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT) + /* Look for a '-' which indicates to ignore the ramdisk argument */ + if (argc >= 3 && strcmp(argv[2], "-") == 0) { + debug ("Skipping initrd\n"); + len = data = 0; + } + else +#endif if (argc >= 3) { + debug ("Not skipping initrd\n"); SHOW_BOOT_PROGRESS (9); addr = simple_strtoul(argv[2], NULL, 16); @@ -725,6 +743,117 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, len = data = 0; } +#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT) + if(argc > 3) { + of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16); + hdr = (image_header_t *)of_flat_tree; +#if defined(CONFIG_OF_LIBFDT) + if (be32_to_cpu(fdt_magic(of_flat_tree)) == FDT_MAGIC) { +#else + if (*(ulong *)of_flat_tree == OF_DT_HEADER) { +#endif +#ifndef CFG_NO_FLASH + if (addr2info((ulong)of_flat_tree) != NULL) + of_data = (ulong)of_flat_tree; +#endif + } else if (ntohl(hdr->ih_magic) == IH_MAGIC) { + printf("## Flat Device Tree Image at %08lX\n", hdr); + print_image_hdr(hdr); + + if ((ntohl(hdr->ih_load) < ((unsigned long)hdr + ntohl(hdr->ih_size) + sizeof(hdr))) && + ((ntohl(hdr->ih_load) + ntohl(hdr->ih_size)) > (unsigned long)hdr)) { + printf ("ERROR: Load address overwrites Flat Device Tree uImage\n"); + return; + } + + printf(" Verifying Checksum ... "); + memmove (&header, (char *)hdr, sizeof(image_header_t)); + checksum = ntohl(header.ih_hcrc); + header.ih_hcrc = 0; + + if(checksum != crc32(0, (uchar *)&header, sizeof(image_header_t))) { + printf("ERROR: Flat Device Tree header checksum is invalid\n"); + return; + } + + checksum = ntohl(hdr->ih_dcrc); + addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t)); + len = ntohl(hdr->ih_size); + + if(checksum != crc32(0, (uchar *)addr, len)) { + printf("ERROR: Flat Device Tree checksum is invalid\n"); + return; + } + printf("OK\n"); + + if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) { + printf ("ERROR: uImage not Flat Device Tree type\n"); + return; + } + if (ntohl(hdr->ih_comp) != IH_COMP_NONE) { + printf("ERROR: uImage is not uncompressed\n"); + return; + } +#if defined(CONFIG_OF_LIBFDT) + if (be32_to_cpu(fdt_magic(of_flat_tree + sizeof(image_header_t))) != FDT_MAGIC) { +#else + if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) { +#endif + printf ("ERROR: uImage data is not a flat device tree\n"); + return; + } + + memmove((void *)ntohl(hdr->ih_load), + (void *)(of_flat_tree + sizeof(image_header_t)), + ntohl(hdr->ih_size)); + of_flat_tree = (char *)ntohl(hdr->ih_load); + } else { + printf ("Did not find a flat flat device tree at address %08lX\n", of_flat_tree); + return; + } + printf (" Booting using flat device tree at 0x%x\n", + of_flat_tree); + } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) { + u_long tail = ntohl(len_ptr[0]) % 4; + int i; + + /* skip kernel length, initrd length, and terminator */ + of_data = (ulong)(&len_ptr[3]); + /* skip any additional image length fields */ + for (i=2; len_ptr[i]; ++i) + of_data += 4; + /* add kernel length, and align */ + of_data += ntohl(len_ptr[0]); + if (tail) { + of_data += 4 - tail; + } + + /* add initrd length, and align */ + tail = ntohl(len_ptr[1]) % 4; + of_data += ntohl(len_ptr[1]); + if (tail) { + of_data += 4 - tail; + } + +#if defined(CONFIG_OF_LIBFDT) + if (be32_to_cpu(fdt_magic(of_data)) != FDT_MAGIC) { +#else + if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) { +#endif + printf ("ERROR: image is not a flat device tree\n"); + return; + } + +#if defined(CONFIG_OF_LIBFDT) + if (be32_to_cpu(fdt_totalsize(of_data)) != ntohl(len_ptr[2])) { +#else + if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) { +#endif + printf ("ERROR: flat device tree size does not agree with image\n"); + return; + } + } +#endif if (!data) { debug ("No initrd\n"); } @@ -794,57 +923,89 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, initrd_end = 0; } -#ifdef CONFIG_OF_FLAT_TREE - if (initrd_start == 0) - of_flat_tree = (char *)(((ulong)kbd - OF_FLAT_TREE_MAX_SIZE - - sizeof(bd_t)) & ~0xF); - else - of_flat_tree = (char *)((initrd_start - OF_FLAT_TREE_MAX_SIZE - - sizeof(bd_t)) & ~0xF); -#endif - debug ("## Transferring control to Linux (at address %08lx) ...\n", (ulong)kernel); SHOW_BOOT_PROGRESS (15); -#ifndef CONFIG_OF_FLAT_TREE - #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500) unlock_ram_in_cache(); #endif +#if defined(CONFIG_OF_LIBFDT) + /* move of_flat_tree if needed */ + if (of_data) { + int err; + ulong of_start, of_len; + of_len = be32_to_cpu(fdt_totalsize(of_data)); + /* provide extra 8k pad */ + if (initrd_start) + of_start = initrd_start - of_len - 8192; + else + of_start = (ulong)kbd - of_len - 8192; + of_start &= ~(4096 - 1); /* align on page */ + debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", + of_data, of_data + of_len - 1, of_len, of_len); + + + printf (" Loading Device Tree to %08lx, end %08lx ... ", + of_start, of_start + of_len - 1); + err = fdt_open_into(of_start, of_data, of_len); + if (err != 0) { + printf ("libfdt: %s\n", fdt_strerror(err)); + } + } +#endif +#if defined(CONFIG_OF_FLAT_TREE) + /* move of_flat_tree if needed */ + if (of_data) { + ulong of_start, of_len; + of_len = ((struct boot_param_header *)of_data)->totalsize; + /* provide extra 8k pad */ + if (initrd_start) + of_start = initrd_start - of_len - 8192; + else + of_start = (ulong)kbd - of_len - 8192; + of_start &= ~(4096 - 1); /* align on page */ + debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", + of_data, of_data + of_len - 1, of_len, of_len); + + of_flat_tree = (char *)of_start; + printf (" Loading Device Tree to %08lx, end %08lx ... ", + of_start, of_start + of_len - 1); + memmove ((void *)of_start, (void *)of_data, of_len); + } +#endif + /* - * Linux Kernel Parameters: + * Linux Kernel Parameters (passing board info data): * r3: ptr to board info data * r4: initrd_start or 0 if no initrd * r5: initrd_end - unused if r4 is 0 * r6: Start of command line string * r7: End of command line string */ - (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); - -#else - ft_setup(of_flat_tree, OF_FLAT_TREE_MAX_SIZE, kbd, initrd_start, initrd_end); - /* ft_dump_blob(of_flat_tree); */ - -#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500) - unlock_ram_in_cache(); +#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT) + if (!of_flat_tree) /* no device tree; boot old style */ #endif + (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); + /* does not return */ + +#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT) /* - * Linux Kernel Parameters: + * Linux Kernel Parameters (passing device tree): * r3: ptr to OF flat tree, followed by the board info data * r4: physical pointer to the kernel itself * r5: NULL * r6: NULL * r7: NULL */ - if (getenv("disable_of") != NULL) - (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end, - cmd_start, cmd_end); - else - (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0); +#if defined(CONFIG_OF_FLAT_TREE) + ft_setup(of_flat_tree, kbd, initrd_start, initrd_end); + /* ft_dump_blob(of_flat_tree); */ +#endif + (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0); #endif } #endif /* CONFIG_PPC */ @@ -856,8 +1017,6 @@ do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag, ulong *len_ptr, int verify) { - DECLARE_GLOBAL_DATA_PTR; - image_header_t *hdr = &header; void (*loader)(bd_t *, image_header_t *, char *, char *); @@ -941,7 +1100,6 @@ do_bootm_artos (cmd_tbl_t *cmdtp, int flag, ulong *len_ptr, int verify) { - DECLARE_GLOBAL_DATA_PTR; ulong top; char *s, *cmdline; char **fwenv, **ss; @@ -1240,19 +1398,21 @@ print_type (image_header_t *hdr) case IH_CPU_INVALID: arch = "Invalid CPU"; break; case IH_CPU_ALPHA: arch = "Alpha"; break; case IH_CPU_ARM: arch = "ARM"; break; + case IH_CPU_AVR32: arch = "AVR32"; break; + case IH_CPU_BLACKFIN: arch = "Blackfin"; break; case IH_CPU_I386: arch = "Intel x86"; break; case IH_CPU_IA64: arch = "IA64"; break; - case IH_CPU_MIPS: arch = "MIPS"; break; + case IH_CPU_M68K: arch = "M68K"; break; + case IH_CPU_MICROBLAZE: arch = "Microblaze"; break; case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break; + case IH_CPU_MIPS: arch = "MIPS"; break; + case IH_CPU_NIOS2: arch = "Nios-II"; break; + case IH_CPU_NIOS: arch = "Nios"; break; case IH_CPU_PPC: arch = "PowerPC"; break; case IH_CPU_S390: arch = "IBM S390"; break; case IH_CPU_SH: arch = "SuperH"; break; - case IH_CPU_SPARC: arch = "SPARC"; break; case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break; - case IH_CPU_M68K: arch = "M68K"; break; - case IH_CPU_MICROBLAZE: arch = "Microblaze"; break; - case IH_CPU_NIOS: arch = "Nios"; break; - case IH_CPU_NIOS2: arch = "Nios-II"; break; + case IH_CPU_SPARC: arch = "SPARC"; break; default: arch = "Unknown Architecture"; break; } @@ -1264,6 +1424,7 @@ print_type (image_header_t *hdr) case IH_TYPE_MULTI: type = "Multi-File Image"; break; case IH_TYPE_FIRMWARE: type = "Firmware"; break; case IH_TYPE_SCRIPT: type = "Script"; break; + case IH_TYPE_FLATDT: type = "Flat Device Tree"; break; default: type = "Unknown Image"; break; } @@ -1370,7 +1531,6 @@ static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], ulong addr, ulong *len_ptr, int verify) { - DECLARE_GLOBAL_DATA_PTR; image_header_t *hdr = &header; void (*entry_point)(bd_t *);