X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=lib_m68k%2Fbootm.c;h=e5ed6eb7cc6201b4a2263564d418f47cd50e7a69;hb=a87426e6dc464839407ee92f133cabf38944b605;hp=6f49c31616f478d2d811aaf641edb35cf1e2ddde;hpb=27f33e9f45ef7f9685cbdc65066a1828e85dde4f;p=u-boot diff --git a/lib_m68k/bootm.c b/lib_m68k/bootm.c old mode 100644 new mode 100755 index 6f49c31616..e5ed6eb7cc --- a/lib_m68k/bootm.c +++ b/lib_m68k/bootm.c @@ -24,7 +24,7 @@ #include #include #include -#include +#include #include #include #include @@ -42,33 +42,17 @@ DECLARE_GLOBAL_DATA_PTR; static ulong get_sp (void); static void set_clocks_in_mhz (bd_t *kbd); -extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); -void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, - int argc, char *argv[], - bootm_headers_t *images) +void arch_lmb_reserve(struct lmb *lmb) { ulong sp; - ulong rd_data_start, rd_data_end, rd_len; - ulong initrd_start, initrd_end; - int ret; - - ulong cmd_start, cmd_end; - ulong bootmap_base; - bd_t *kbd; - ulong ep = 0; - 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. */ @@ -77,7 +61,25 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, /* 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); @@ -94,32 +96,10 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, } set_clocks_in_mhz(kbd); - /* find kernel entry point */ - if (images->legacy_hdr_valid) { - ep = image_get_ep (images->legacy_hdr_os); -#if defined(CONFIG_FIT) - } else if (images->fit_uname_os) { - ret = fit_image_get_entry (images->fit_hdr_os, - images->fit_noffset_os, &ep); - if (ret) { - puts ("Can't get entry point property!\n"); - goto error; - } -#endif - } else { - puts ("Could not find kernel entry point!\n"); - goto error; - } - kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))ep; + kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))images->ep; - /* find ramdisk */ - ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_M68K, - &rd_data_start, &rd_data_end); - if (ret) - goto error; - - rd_len = rd_data_end - rd_data_start; - ret = boot_ramdisk_high (lmb, rd_data_start, rd_len, + rd_len = images->rd_end - images->rd_start; + ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, &initrd_start, &initrd_end); if (ret) goto error; @@ -129,24 +109,19 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, show_boot_progress (15); - if (!images->autostart) - return; /* * 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 */ - return ; - error: - if (images->autostart) - do_reset (cmdtp, flag, argc, argv); - return ; + return 1; } static ulong get_sp (void)