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-rw-r--r--common/cmd_bootm.c543
1 files changed, 1 insertions, 542 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index be8589d..e61a304 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -58,14 +58,6 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#include <hush.h>
#endif
-#ifdef CFG_INIT_RAM_LOCK
-#include <asm/cache.h>
-#endif
-
-#ifdef CONFIG_LOGBUFFER
-#include <logbuff.h>
-#endif
-
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#endif
@@ -112,15 +104,8 @@ typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
ulong *len_ptr, /* multi-file image length table */
int verify); /* getenv("verify")[0] != 'n' */
-#ifdef DEBUG
-extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-#endif
-
-#ifdef CONFIG_PPC
-static boot_os_Fcn do_bootm_linux;
-#else
extern boot_os_Fcn do_bootm_linux;
-#endif
+
#ifdef CONFIG_SILENT_CONSOLE
static void fixup_silent_linux (void);
#endif
@@ -475,532 +460,6 @@ fixup_silent_linux ()
}
#endif /* CONFIG_SILENT_CONSOLE */
-#ifdef CONFIG_PPC
-static void __attribute__((noinline))
-do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr,
- ulong *len_ptr,
- int verify)
-{
- ulong sp;
- ulong len;
- ulong initrd_start, initrd_end;
- ulong cmd_start, cmd_end;
- ulong initrd_high;
- ulong data;
- int initrd_copy_to_ram = 1;
- char *cmdline;
- char *s;
- bd_t *kbd;
- void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
- image_header_t *hdr = &header;
-#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) {
- /* a value of "no" or a similar string will act like 0,
- * turning the "load high" feature off. This is intentional.
- */
- initrd_high = simple_strtoul(s, NULL, 16);
- if (initrd_high == ~0)
- initrd_copy_to_ram = 0;
- } else { /* not set, no restrictions to load high */
- initrd_high = ~0;
- }
-
-#ifdef CONFIG_LOGBUFFER
- kbd=gd->bd;
- /* Prevent initrd from overwriting logbuffer */
- if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
- initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
- debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
-#endif
-
- /*
- * Booting a (Linux) kernel image
- *
- * Allocate space for command line and board info - the
- * address should be as high as possible within the reach of
- * the kernel (see CFG_BOOTMAPSZ settings), but in unused
- * memory, which means far enough below the current stack
- * pointer.
- */
-
- asm( "mr %0,1": "=r"(sp) : );
-
- debug ("## Current stack ends at 0x%08lX ", sp);
-
- sp -= 2048; /* just to be sure */
- if (sp > CFG_BOOTMAPSZ)
- sp = CFG_BOOTMAPSZ;
- sp &= ~0xF;
-
- debug ("=> set upper limit to 0x%08lX\n", sp);
-
- cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
- kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
-
- if ((s = getenv("bootargs")) == NULL)
- s = "";
-
- strcpy (cmdline, s);
-
- cmd_start = (ulong)&cmdline[0];
- cmd_end = cmd_start + strlen(cmdline);
-
- *kbd = *(gd->bd);
-
-#ifdef DEBUG
- printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
-
- do_bdinfo (NULL, 0, 0, NULL);
-#endif
-
- if ((s = getenv ("clocks_in_mhz")) != NULL) {
- /* convert all clock information to MHz */
- kbd->bi_intfreq /= 1000000L;
- kbd->bi_busfreq /= 1000000L;
-#if defined(CONFIG_MPC8220)
- kbd->bi_inpfreq /= 1000000L;
- kbd->bi_pcifreq /= 1000000L;
- kbd->bi_pevfreq /= 1000000L;
- kbd->bi_flbfreq /= 1000000L;
- kbd->bi_vcofreq /= 1000000L;
-#endif
-#if defined(CONFIG_CPM2)
- kbd->bi_cpmfreq /= 1000000L;
- kbd->bi_brgfreq /= 1000000L;
- kbd->bi_sccfreq /= 1000000L;
- kbd->bi_vco /= 1000000L;
-#endif
-#if defined(CONFIG_MPC5xxx)
- kbd->bi_ipbfreq /= 1000000L;
- kbd->bi_pcifreq /= 1000000L;
-#endif /* CONFIG_MPC5xxx */
- }
-
- kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr);
-
- /*
- * 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);
-
- printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
- hdr = (image_header_t *)addr;
-
- if (!image_check_magic (hdr)) {
- puts ("Bad Magic Number\n");
- show_boot_progress (-10);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- if (!image_check_hcrc (hdr)) {
- puts ("Bad Header Checksum\n");
- show_boot_progress (-11);
- do_reset (cmdtp, flag, argc, argv);
- }
- show_boot_progress (10);
-
- print_image_hdr (hdr);
-
- if (verify) {
- puts (" Verifying Checksum ... ");
-
- if (!image_check_dcrc_wd (hdr, CHUNKSZ)) {
- puts ("Bad Data CRC\n");
- show_boot_progress (-12);
- do_reset (cmdtp, flag, argc, argv);
- }
- puts ("OK\n");
- }
-
- show_boot_progress (11);
-
- if (!image_check_os (hdr, IH_OS_LINUX) ||
- !image_check_arch (hdr, IH_ARCH_PPC) ||
- !image_check_type (hdr, IH_TYPE_RAMDISK)) {
- puts ("No Linux PPC Ramdisk Image\n");
- show_boot_progress (-13);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- data = image_get_data (hdr);
- len = image_get_data_size (hdr);
-
- /*
- * Now check if we have a multifile image
- */
- } else if (image_check_type (hdr, IH_TYPE_MULTI) && (len_ptr[1])) {
- u_long tail = image_to_cpu (len_ptr[0]) % 4;
- int i;
-
- show_boot_progress (13);
-
- /* skip kernel length and terminator */
- data = (ulong)(&len_ptr[2]);
- /* skip any additional image length fields */
- for (i=1; len_ptr[i]; ++i)
- data += 4;
- /* add kernel length, and align */
- data += image_to_cpu (len_ptr[0]);
- if (tail) {
- data += 4 - tail;
- }
-
- len = image_to_cpu (len_ptr[1]);
-
- } else {
- /*
- * no initrd image
- */
- show_boot_progress (14);
-
- 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_FLAT_TREE)
- if (*((ulong *)(of_flat_tree + image_get_header_size ())) != OF_DT_HEADER) {
-#else
- if (fdt_check_header (of_flat_tree + image_get_header_size ()) != 0) {
-#endif
-#ifndef CFG_NO_FLASH
- if (addr2info((ulong)of_flat_tree) != NULL)
- of_data = (ulong)of_flat_tree;
-#endif
- } else if (image_check_magic (hdr)) {
- printf("## Flat Device Tree at %08lX\n", hdr);
- print_image_hdr (hdr);
-
- if ((image_get_load (hdr) < ((unsigned long)hdr + image_get_image_size (hdr))) &&
- ((image_get_load (hdr) + image_get_data_size (hdr)) > (unsigned long)hdr)) {
- puts ("ERROR: fdt overwritten - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- puts (" Verifying Checksum ... ");
- if (!image_check_hcrc (hdr)) {
- puts ("ERROR: fdt header checksum invalid - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- if (!image_check_dcrc (hdr)) {
- puts ("ERROR: fdt checksum invalid - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- puts ("OK\n");
-
- if (!image_check_type (hdr, IH_TYPE_FLATDT)) {
- puts ("ERROR: uImage is not a fdt - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- if (image_get_comp (hdr) != IH_COMP_NONE) {
- puts ("ERROR: uImage is compressed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-#if defined(CONFIG_OF_FLAT_TREE)
- if (*((ulong *)(of_flat_tree + image_get_header_size ())) != OF_DT_HEADER) {
-#else
- if (fdt_check_header (of_flat_tree + image_get_header_size ()) != 0) {
-#endif
- puts ("ERROR: uImage data is not a fdt - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- memmove ((void *)image_get_load (hdr),
- (void *)(of_flat_tree + image_get_header_size ()),
- image_get_data_size (hdr));
-
- of_flat_tree = (char *)image_get_load (hdr);
- } else {
- puts ("Did not find a flat Flat Device Tree.\n"
- "Must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- printf (" Booting using the fdt at 0x%x\n",
- of_flat_tree);
- } else if (image_check_type (hdr, IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
- u_long tail = image_to_cpu (len_ptr[0]) % 4;
- int i;
-
- /* skip kernel length, initrd length, and terminator */
- of_flat_tree = (char *)(&len_ptr[3]);
- /* skip any additional image length fields */
- for (i=2; len_ptr[i]; ++i)
- of_flat_tree += 4;
- /* add kernel length, and align */
- of_flat_tree += image_to_cpu (len_ptr[0]);
- if (tail) {
- of_flat_tree += 4 - tail;
- }
-
- /* add initrd length, and align */
- tail = image_to_cpu (len_ptr[1]) % 4;
- of_flat_tree += image_to_cpu (len_ptr[1]);
- if (tail) {
- of_flat_tree += 4 - tail;
- }
-
-#ifndef CFG_NO_FLASH
- /* move the blob if it is in flash (set of_data to !null) */
- if (addr2info ((ulong)of_flat_tree) != NULL)
- of_data = (ulong)of_flat_tree;
-#endif
-
-
-#if defined(CONFIG_OF_FLAT_TREE)
- if (*((ulong *)(of_flat_tree)) != OF_DT_HEADER) {
-#else
- if (fdt_check_header (of_flat_tree) != 0) {
-#endif
- puts ("ERROR: image is not a fdt - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
-#if defined(CONFIG_OF_FLAT_TREE)
- if (((struct boot_param_header *)of_flat_tree)->totalsize !=
- image_to_cpu (len_ptr[2])) {
-#else
- if (be32_to_cpu (fdt_totalsize (of_flat_tree)) !=
- image_to_cpu (len_ptr[2])) {
-#endif
- puts ("ERROR: fdt size != image size - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- }
-#endif
- if (!data) {
- debug ("No initrd\n");
- }
-
- if (data) {
- if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
- initrd_start = data;
- initrd_end = initrd_start + len;
- } else {
- initrd_start = (ulong)kbd - len;
- initrd_start &= ~(4096 - 1); /* align on page */
-
- if (initrd_high) {
- ulong nsp;
-
- /*
- * the inital ramdisk does not need to be within
- * CFG_BOOTMAPSZ as it is not accessed until after
- * the mm system is initialised.
- *
- * do the stack bottom calculation again and see if
- * the initrd will fit just below the monitor stack
- * bottom without overwriting the area allocated
- * above for command line args and board info.
- */
- asm( "mr %0,1": "=r"(nsp) : );
- nsp -= 2048; /* just to be sure */
- nsp &= ~0xF;
- if (nsp > initrd_high) /* limit as specified */
- nsp = initrd_high;
- nsp -= len;
- nsp &= ~(4096 - 1); /* align on page */
- if (nsp >= sp)
- initrd_start = nsp;
- }
-
- show_boot_progress (12);
-
- debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
- data, data + len - 1, len, len);
-
- initrd_end = initrd_start + len;
- printf (" Loading Ramdisk to %08lx, end %08lx ... ",
- initrd_start, initrd_end);
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
- {
- size_t l = len;
- void *to = (void *)initrd_start;
- void *from = (void *)data;
-
- while (l > 0) {
- size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
- WATCHDOG_RESET();
- memmove (to, from, tail);
- to += tail;
- from += tail;
- l -= tail;
- }
- }
-#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
- memmove ((void *)initrd_start, (void *)data, len);
-#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
- puts ("OK\n");
- }
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
-
-#if defined(CONFIG_OF_LIBFDT)
-
-#ifdef CFG_BOOTMAPSZ
- /*
- * The blob must be within CFG_BOOTMAPSZ,
- * so we flag it to be copied if it is not.
- */
- if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
- of_data = (ulong)of_flat_tree;
-#endif
-
- /* 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));
-
- /* position on a 4K boundary before the kbd */
- 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_data, (void *)of_start, of_len);
- if (err != 0) {
- puts ("ERROR: fdt move failed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- puts ("OK\n");
- }
- /*
- * 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 (of_flat_tree) {
- if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
- puts ("ERROR: /chosen node create failed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-#ifdef CONFIG_OF_HAS_UBOOT_ENV
- if (fdt_env(of_flat_tree) < 0) {
- puts ("ERROR: /u-boot-env node create failed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-#endif
-#ifdef CONFIG_OF_HAS_BD_T
- if (fdt_bd_t(of_flat_tree) < 0) {
- puts ("ERROR: /bd_t node create failed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-#endif
-#ifdef CONFIG_OF_BOARD_SETUP
- /* Call the board-specific fixup routine */
- ft_board_setup(of_flat_tree, gd->bd);
-#endif
- }
-#endif /* CONFIG_OF_LIBFDT */
-#if defined(CONFIG_OF_FLAT_TREE)
-#ifdef CFG_BOOTMAPSZ
- /*
- * The blob must be within CFG_BOOTMAPSZ,
- * so we flag it to be copied if it is not.
- */
- if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
- of_data = (ulong)of_flat_tree;
-#endif
-
- /* 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 */
- 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);
- puts ("OK\n");
- }
- /*
- * Create the /chosen node and modify the blob with board specific
- * values as needed.
- */
- ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
- /* ft_dump_blob(of_flat_tree); */
-#endif
- debug ("## Transferring control to Linux (at address %08lx) ...\n",
- (ulong)kernel);
-
- show_boot_progress (15);
-
-#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
- unlock_ram_in_cache();
-#endif
-
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
- if (of_flat_tree) { /* device tree; boot new style */
- /*
- * Linux Kernel Parameters (passing device tree):
- * r3: pointer to the fdt, followed by the board info data
- * r4: physical pointer to the kernel itself
- * r5: NULL
- * r6: NULL
- * r7: NULL
- */
- (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
- /* does not return */
- }
-#endif
- /*
- * 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);
- /* does not return */
-}
-#endif /* CONFIG_PPC */
-
static void
do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
int argc, char *argv[],
generated by cgit v1.1 at 2024-12-18 18:24:11 +0000