diff options
Diffstat (limited to 'lib_m68k/bootm.c')
| -rwxr-xr-x[-rw-r--r--] | lib_m68k/bootm.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/lib_m68k/bootm.c b/lib_m68k/bootm.c index 6504cc917..958c5ce01 100644..100755 --- a/lib_m68k/bootm.c +++ b/lib_m68k/bootm.c @@ -43,28 +43,16 @@ DECLARE_GLOBAL_DATA_PTR; static ulong get_sp (void); static void set_clocks_in_mhz (bd_t *kbd); -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +void arch_lmb_reserve(struct lmb *lmb) { ulong sp; - ulong rd_len; - ulong initrd_start, initrd_end; - int ret; - - ulong cmd_start, cmd_end; - ulong bootmap_base; - bd_t *kbd; - void (*kernel) (bd_t *, ulong, ulong, ulong, ulong); - struct lmb *lmb = &images->lmb; - - bootmap_base = getenv_bootm_low(); - /* * 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. */ @@ -73,7 +61,25 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) /* adjust sp by 1K to be safe */ sp -= 1024; - lmb_reserve(lmb, sp, (CFG_SDRAM_BASE + gd->ram_size - sp)); + lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp)); +} + +int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +{ + ulong rd_len; + ulong initrd_start, initrd_end; + int ret; + + ulong cmd_start, cmd_end; + ulong bootmap_base; + bd_t *kbd; + void (*kernel) (bd_t *, ulong, ulong, ulong, ulong); + struct lmb *lmb = &images->lmb; + + if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) + return 1; + + bootmap_base = getenv_bootm_low(); /* allocate space and init command line */ ret = boot_get_cmdline (lmb, &cmd_start, &cmd_end, bootmap_base); @@ -105,11 +111,12 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) /* * 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 + * sp+00: Ignore, side effect of using jsr to jump to kernel + * sp+04: ptr to board info data + * sp+08: initrd_start or 0 if no initrd + * sp+12: initrd_end - unused if initrd_start is 0 + * sp+16: Start of command line string + * sp+20: End of command line string */ (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); /* does not return */ |