diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_bootm.c | 10 | ||||
| -rw-r--r-- | common/image.c | 26 |
2 files changed, 31 insertions, 5 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index a32a5a2..8595ef6 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -124,6 +124,7 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) ulong os_data, os_len; ulong image_start, image_end; ulong load_start, load_end; + ulong mem_start, mem_size; struct lmb lmb; @@ -134,11 +135,10 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) lmb_init(&lmb); -#ifdef CFG_SDRAM_BASE - lmb_add(&lmb, CFG_SDRAM_BASE, gd->bd->bi_memsize); -#else - lmb_add(&lmb, 0, gd->bd->bi_memsize); -#endif + mem_start = getenv_bootm_low(); + mem_size = getenv_bootm_size(); + + lmb_add(&lmb, mem_start, mem_size); board_lmb_reserve(&lmb); diff --git a/common/image.c b/common/image.c index 0b71811..9e446fa 100644 --- a/common/image.c +++ b/common/image.c @@ -132,6 +132,32 @@ int getenv_autostart (void) return (s && (*s == 'n')) ? 0 : 1; } +ulong getenv_bootm_low(void) +{ + char *s = getenv ("bootm_low"); + if (s) { + ulong tmp = simple_strtoul (s, NULL, 16); + return tmp; + } + +#ifdef CFG_SDRAM_BASE + return CFG_SDRAM_BASE; +#else + return 0; +#endif +} + +ulong getenv_bootm_size(void) +{ + char *s = getenv ("bootm_size"); + if (s) { + ulong tmp = simple_strtoul (s, NULL, 16); + return tmp; + } + + return gd->bd->bi_memsize; +} + void memmove_wd (void *to, void *from, size_t len, ulong chunksz) { #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) |