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author | Gerald Van Baren <vanbaren@cideas.com> | 2007-04-14 22:51:24 -0400 |
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committer | Gerald Van Baren <vanbaren@cideas.com> | 2007-04-14 22:51:24 -0400 |
commit | c28abb9c614f65ce2096cc4a66fc886c77d0e5a4 (patch) | |
tree | e5ac701063ae2b80e27e7a49c6d9cf2dc44e8f0c /common/cmd_bootm.c | |
parent | 3f9f08cf91c8a6949a5d78a18bd3d8df7b86d888 (diff) | |
download | bootable_bootloader_goldelico_gta04-c28abb9c614f65ce2096cc4a66fc886c77d0e5a4.zip bootable_bootloader_goldelico_gta04-c28abb9c614f65ce2096cc4a66fc886c77d0e5a4.tar.gz bootable_bootloader_goldelico_gta04-c28abb9c614f65ce2096cc4a66fc886c77d0e5a4.tar.bz2 |
Improve the bootm command for CONFIG_OF_LIBFDT
In bootm, create the "/chosen" node only if it doesn't already exist
(better matches the previous behavior).
Update for proper reserved memory map handling for initrd.
Diffstat (limited to 'common/cmd_bootm.c')
-rw-r--r-- | common/cmd_bootm.c | 56 |
1 files changed, 48 insertions, 8 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 3eeb03c..32c29e5 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -37,6 +37,7 @@ #if defined(CONFIG_OF_LIBFDT) #include <fdt.h> #include <libfdt.h> +#include <fdt_support.h> #endif #if defined(CONFIG_OF_FLAT_TREE) #include <ft_build.h> @@ -748,7 +749,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, 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) { + if (fdt_check_header(of_flat_tree) == 0) { #else if (*(ulong *)of_flat_tree == OF_DT_HEADER) { #endif @@ -795,7 +796,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, return; } #if defined(CONFIG_OF_LIBFDT) - if (be32_to_cpu(fdt_magic(of_flat_tree + sizeof(image_header_t))) != FDT_MAGIC) { + if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) == 0) { #else if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) { #endif @@ -836,7 +837,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, } #if defined(CONFIG_OF_LIBFDT) - if (be32_to_cpu(fdt_magic(of_data)) != FDT_MAGIC) { + if (fdt_check_header((void *)of_data) != 0) { #else if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) { #endif @@ -937,23 +938,44 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, if (of_data) { int err; ulong of_start, of_len; + of_len = be32_to_cpu(fdt_totalsize(of_data)); - /* provide extra 8k pad */ + /* position on a 4K boundary before the initrd/kbd */ if (initrd_start) - of_start = initrd_start - of_len - 8192; + of_start = initrd_start - of_len; else - of_start = (ulong)kbd - of_len - 8192; + of_start = (ulong)kbd - of_len; 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); err = fdt_open_into((void *)of_start, (void *)of_data, of_len); if (err != 0) { - printf ("libfdt: %s\n", fdt_strerror(err)); + printf ("libfdt: %s " __FILE__ " %d\n", fdt_strerror(err), __LINE__); } + /* + * Add the chosen node if it doesn't exist, add the env and bd_t + * if the user wants it (the logic is in the subroutines). + */ + if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) { + printf("Failed creating the /chosen node (0x%08X), aborting.\n", of_flat_tree); + return; + } +#ifdef CONFIG_OF_HAS_UBOOT_ENV + if (fdt_env(of_flat_tree) < 0) { + printf("Failed creating the /u-boot-env node, aborting.\n"); + return; + } +#endif +#ifdef CONFIG_OF_HAS_BD_T + if (fdt_bd_t(of_flat_tree) < 0) { + printf("Failed creating the /bd_t node, aborting.\n"); + return; + } +#endif } #endif #if defined(CONFIG_OF_FLAT_TREE) @@ -1004,6 +1026,24 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, ft_setup(of_flat_tree, kbd, initrd_start, initrd_end); /* ft_dump_blob(of_flat_tree); */ #endif +#if defined(CONFIG_OF_LIBFDT) + if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) { + printf("Failed creating the /chosen node (0x%08X), aborting.\n", of_flat_tree); + return; + } +#ifdef CONFIG_OF_HAS_UBOOT_ENV + if (fdt_env(of_flat_tree) < 0) { + printf("Failed creating the /u-boot-env node, aborting.\n"); + return; + } +#endif +#ifdef CONFIG_OF_HAS_BD_T + if (fdt_bd_t(of_flat_tree) < 0) { + printf("Failed creating the /bd_t node, aborting.\n"); + return; + } +#endif +#endif /* if defined(CONFIG_OF_LIBFDT) */ (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0); #endif |