* MA 02111-1307 USA
*/
-#define DEBUG
#include <common.h>
#include <watchdog.h>
#include <fdt.h>
#include <libfdt.h>
#include <fdt_support.h>
-#elif defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
-#endif
-#ifdef CONFIG_LOGBUFFER
-#include <logbuff.h>
#endif
-#ifdef CFG_INIT_RAM_LOCK
+#ifdef CONFIG_SYS_INIT_RAM_LOCK
#include <asm/cache.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+extern ulong get_effective_memsize(void);
+static ulong get_sp (void);
+static void set_clocks_in_mhz (bd_t *kbd);
-#if defined(CONFIG_CMD_BDI)
-extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#ifndef CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE
+#define CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE (768*1024*1024)
#endif
-void __attribute__((noinline))
-do_bootm_linux(cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- image_header_t *hdr,
- int verify)
+void arch_lmb_reserve(struct lmb *lmb)
{
- ulong initrd_high;
- int initrd_copy_to_ram = 1;
- ulong initrd_start, initrd_end;
- ulong rd_data, rd_len;
- image_header_t *rd_hdr;
-
- ulong cmd_start, cmd_end;
- char *cmdline;
-
- ulong sp;
- char *s;
- bd_t *kbd;
- void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
-
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
- image_header_t *fdt_hdr;
- char *of_flat_tree = NULL;
- ulong of_data = 0;
+ phys_size_t bootm_size;
+ ulong size, sp, bootmap_base;
+
+ bootmap_base = getenv_bootm_low();
+ bootm_size = getenv_bootm_size();
+
+#ifdef DEBUG
+ if (((u64)bootmap_base + bootm_size) >
+ (CONFIG_SYS_SDRAM_BASE + (u64)gd->ram_size))
+ puts("WARNING: bootm_low + bootm_size exceed total memory\n");
+ if ((bootmap_base + bootm_size) > get_effective_memsize())
+ puts("WARNING: bootm_low + bootm_size exceed eff. memory\n");
#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;
- }
+ size = min(bootm_size, get_effective_memsize());
+ size = min(size, CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE);
-#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
+ if (size < bootm_size) {
+ ulong base = bootmap_base + size;
+ printf("WARNING: adjusting available memory to %lx\n", size);
+ lmb_reserve(lmb, base, bootm_size - size);
+ }
/*
* 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
+ * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused
* memory, which means far enough below the current stack
* pointer.
*/
+ sp = get_sp();
+ debug ("## Current stack ends at 0x%08lx\n", sp);
- 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);
+ /* adjust sp by 1K to be safe */
+ sp -= 1024;
+ lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - sp));
- 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);
-
-#if defined(CONFIG_CMD_BDI)
- do_bdinfo (NULL, 0, 0, NULL);
-#endif
-#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 */
- }
+ return ;
+}
- kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr);
+__attribute__((noinline))
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+ ulong initrd_start, initrd_end;
+ ulong rd_len;
- /*
- * Check if there is an initrd image
- */
+ ulong cmd_start, cmd_end, bootmap_base;
+ bd_t *kbd;
+ void (*kernel)(bd_t *, ulong r4, ulong r5, ulong r6,
+ ulong r7, ulong r8, ulong r9);
+ int ret;
+ ulong of_size = images->ft_len;
+ struct lmb *lmb = &images->lmb;
-#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");
- rd_len = rd_data = 0;
- }
- else
+#if defined(CONFIG_OF_LIBFDT)
+ char *of_flat_tree = images->ft_addr;
#endif
- if (argc >= 3) {
- debug ("Not skipping initrd\n");
- show_boot_progress (9);
- rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
- printf ("## Loading RAMDisk Image at %08lx ...\n", (ulong)rd_hdr);
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+ return 1;
- if (!image_check_magic (rd_hdr)) {
- puts ("Bad Magic Number\n");
- show_boot_progress (-10);
- do_reset (cmdtp, flag, argc, argv);
- }
+ kernel = (void (*)(bd_t *, ulong, ulong, ulong,
+ ulong, ulong, ulong))images->ep;
- if (!image_check_hcrc (rd_hdr)) {
- puts ("Bad Header Checksum\n");
- show_boot_progress (-11);
- do_reset (cmdtp, flag, argc, argv);
- }
- show_boot_progress (10);
+ bootmap_base = getenv_bootm_low();
- print_image_hdr (rd_hdr);
-
- if (verify) {
- puts (" Verifying Checksum ... ");
-
- if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) {
- puts ("Bad Data CRC\n");
- show_boot_progress (-12);
- do_reset (cmdtp, flag, argc, argv);
- }
- puts ("OK\n");
+ if (!of_size) {
+ /* allocate space and init command line */
+ ret = boot_get_cmdline (lmb, &cmd_start, &cmd_end, bootmap_base);
+ if (ret) {
+ puts("ERROR with allocation of cmdline\n");
+ goto error;
}
- show_boot_progress (11);
-
- if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
- !image_check_arch (rd_hdr, IH_ARCH_PPC) ||
- !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
- puts ("No Linux PPC Ramdisk Image\n");
- show_boot_progress (-13);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- rd_data = image_get_data (rd_hdr);
- rd_len = image_get_data_size (rd_hdr);
-
- /*
- * Now check if we have a multifile image
- */
- } else if (image_check_type (hdr, IH_TYPE_MULTI)) {
- /*
- * Get second entry data start address and len
- */
- image_multi_getimg (hdr, 1, &rd_data, &rd_len);
- show_boot_progress (13);
- } else {
- /*
- * No initrd image
- */
- show_boot_progress (14);
-
- rd_len = rd_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);
- fdt_hdr = (image_header_t *)of_flat_tree;
-#if defined(CONFIG_OF_FLAT_TREE)
- if (*((ulong *)(of_flat_tree)) == OF_DT_HEADER) {
-#elif defined(CONFIG_OF_LIBFDT)
- if (fdt_check_header (of_flat_tree) == 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 (fdt_hdr)) {
- ulong image_start, image_end;
- ulong load_start, load_end;
-
- printf ("## Flat Device Tree at %08lX\n", fdt_hdr);
- print_image_hdr (fdt_hdr);
-
- image_start = (ulong)fdt_hdr;
- image_end = image_get_image_end (fdt_hdr);
-
- load_start = image_get_load (fdt_hdr);
- load_end = load_start + image_get_data_size (fdt_hdr);
-
- if ((load_start < image_end) && (load_end > image_start)) {
- puts ("ERROR: fdt overwritten - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- puts (" Verifying Checksum ... ");
- if (!image_check_hcrc (fdt_hdr)) {
- puts ("ERROR: fdt header checksum invalid - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- if (!image_check_dcrc (fdt_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 (fdt_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 (fdt_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) {
-#elif defined(CONFIG_OF_LIBFDT)
- 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 (fdt_hdr),
- (void *)(of_flat_tree + image_get_header_size ()),
- image_get_data_size (fdt_hdr));
-
- of_flat_tree = (char *)image_get_load (fdt_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)) {
- ulong fdt_data, fdt_len;
-
- image_multi_getimg (hdr, 2, &fdt_data, &fdt_len);
- if (fdt_len) {
-
- of_flat_tree = (char *)fdt_data;
-
-#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) {
-#elif defined(CONFIG_OF_LIBFDT)
- 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 != fdt_len) {
-#elif defined(CONFIG_OF_LIBFDT)
- if (be32_to_cpu (fdt_totalsize (of_flat_tree)) != fdt_len) {
-#endif
- puts ("ERROR: fdt size != image size - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
+ /* allocate space for kernel copy of board info */
+ ret = boot_get_kbd (lmb, &kbd, bootmap_base);
+ if (ret) {
+ puts("ERROR with allocation of kernel bd\n");
+ goto error;
}
+ set_clocks_in_mhz(kbd);
}
-#endif
- if (!rd_data) {
- debug ("No initrd\n");
- }
-
- if (rd_data) {
- if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
- initrd_start = rd_data;
- initrd_end = initrd_start + rd_len;
- } else {
- initrd_start = (ulong)kbd - rd_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 -= rd_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",
- rd_data, rd_data + rd_len - 1, rd_len, rd_len);
-
- initrd_end = initrd_start + rd_len;
- printf (" Loading Ramdisk to %08lx, end %08lx ... ",
- initrd_start, initrd_end);
-
- memmove_wd((void *)initrd_start,
- (void *)rd_data, rd_len, CHUNKSZ);
-
- puts ("OK\n");
- }
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
+ rd_len = images->rd_end - images->rd_start;
#if defined(CONFIG_OF_LIBFDT)
+ ret = boot_relocate_fdt(lmb, bootmap_base, &of_flat_tree, &of_size);
+ if (ret)
+ goto error;
-#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);
+ if (of_size) {
+ if (fdt_chosen(of_flat_tree, 1) < 0) {
+ puts ("ERROR: ");
+ puts ("/chosen node create failed");
+ puts (" - must RESET the board to recover.\n");
+ goto error;
}
-#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
}
-#elif 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");
+ /* Fixup the fdt memreserve now that we know how big it is */
+ if (of_flat_tree) {
+ /* Delete the old LMB reservation */
+ lmb_free(lmb, (phys_addr_t)(u32)of_flat_tree,
+ (phys_size_t)fdt_totalsize(of_flat_tree));
+
+ ret = fdt_resize(of_flat_tree);
+ if (ret < 0)
+ goto error;
+ of_size = ret;
+
+ if ((of_flat_tree) && (initrd_start && initrd_end))
+ of_size += FDT_RAMDISK_OVERHEAD;
+ /* Create a new LMB reservation */
+ lmb_reserve(lmb, (ulong)of_flat_tree, of_size);
}
- /*
- * 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 /* CONFIG_OF_LIBFDT */
-#endif /* #if defined(CONFIG_OF_LIBFDT) #elif defined(CONFIG_OF_FLAT_TREE) */
+ ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, &initrd_start, &initrd_end);
+ if (ret)
+ goto error;
+#if defined(CONFIG_OF_LIBFDT)
+ /* fixup the initrd now that we know where it should be */
+ if ((of_flat_tree) && (initrd_start && initrd_end))
+ fdt_initrd(of_flat_tree, initrd_start, initrd_end, 1);
+#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)
+#if defined(CONFIG_SYS_INIT_RAM_LOCK) && !defined(CONFIG_E500)
unlock_ram_in_cache();
#endif
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
+#if 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
+ * r3: pointer to the fdt
+ * r4: 0
+ * r5: 0
+ * r6: epapr magic
+ * r7: size of IMA in bytes
+ * r8: 0
+ * r9: 0
*/
- (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
+#if defined(CONFIG_85xx) || defined(CONFIG_440)
+ #define EPAPR_MAGIC (0x45504150)
+#else
+ #define EPAPR_MAGIC (0x65504150)
+#endif
+
+ debug (" Booting using OF flat tree...\n");
+ (*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
+ CONFIG_SYS_BOOTMAPSZ, 0, 0);
+ /* does not return */
+ } else
+#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
+ * r8: 0
+ * r9: 0
+ */
+ debug (" Booting using board info...\n");
+ (*kernel) (kbd, initrd_start, initrd_end,
+ cmd_start, cmd_end, 0, 0);
/* does not return */
}
+ return 1;
+
+error:
+ return 1;
+}
+
+static ulong get_sp (void)
+{
+ ulong sp;
+
+ asm( "mr %0,1": "=r"(sp) : );
+ return sp;
+}
+
+static void set_clocks_in_mhz (bd_t *kbd)
+{
+ char *s;
+
+ 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
- /*
- * 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 */
+#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 */
+ }
}
projects / karo-tx-uboot.git / blobdiff