diff options
Diffstat (limited to 'common/board_f.c')
| -rw-r--r-- | common/board_f.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/common/board_f.c b/common/board_f.c index 31181a9dc45..591f18f391e 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -467,12 +467,38 @@ static int reserve_uboot(void) return 0; } +#ifdef CONFIG_SYS_NONCACHED_MEMORY +static int reserve_noncached(void) +{ + /* + * The value of gd->start_addr_sp must match the value of malloc_start + * calculated in boatrd_f.c:initr_malloc(), which is passed to + * board_r.c:mem_malloc_init() and then used by + * cache.c:noncached_init() + * + * These calculations must match the code in cache.c:noncached_init() + */ + gd->start_addr_sp = ALIGN(gd->start_addr_sp, MMU_SECTION_SIZE) - + MMU_SECTION_SIZE; + gd->start_addr_sp -= ALIGN(CONFIG_SYS_NONCACHED_MEMORY, + MMU_SECTION_SIZE); + debug("Reserving %dM for noncached_alloc() at: %08lx\n", + CONFIG_SYS_NONCACHED_MEMORY >> 20, gd->start_addr_sp); + + return 0; +} +#endif + /* reserve memory for malloc() area */ static int reserve_malloc(void) { gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN; debug("Reserving %dk for malloc() at: %08lx\n", TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp); +#ifdef CONFIG_SYS_NONCACHED_MEMORY + reserve_noncached(); +#endif + return 0; } |