diff options
Diffstat (limited to 'post/drivers/memory.c')
| -rw-r--r-- | post/drivers/memory.c | 78 |
1 files changed, 59 insertions, 19 deletions
diff --git a/post/drivers/memory.c b/post/drivers/memory.c index 69c5dbe..69973c0 100644 --- a/post/drivers/memory.c +++ b/post/drivers/memory.c @@ -153,7 +153,7 @@ #include <post.h> #include <watchdog.h> -#if CONFIG_POST & CONFIG_SYS_POST_MEMORY +#if CONFIG_POST & (CONFIG_SYS_POST_MEMORY | CONFIG_SYS_POST_MEM_REGIONS) DECLARE_GLOBAL_DATA_PTR; @@ -413,23 +413,29 @@ static int memory_post_test4(unsigned long start, unsigned long size) return ret; } -static int memory_post_tests(unsigned long start, unsigned long size) +static int memory_post_test_lines(unsigned long start, unsigned long size) { int ret = 0; - if (!ret) - ret = memory_post_dataline((unsigned long long *)start); + ret = memory_post_dataline((unsigned long long *)start); WATCHDOG_RESET(); if (!ret) ret = memory_post_addrline((ulong *)start, (ulong *)start, - size); + size); WATCHDOG_RESET(); if (!ret) - ret = memory_post_addrline((ulong *)(start + size - 8), - (ulong *)start, size); + ret = memory_post_addrline((ulong *)(start+size-8), + (ulong *)start, size); WATCHDOG_RESET(); - if (!ret) - ret = memory_post_test1(start, size, 0x00000000); + + return ret; +} + +static int memory_post_test_patterns(unsigned long start, unsigned long size) +{ + int ret = 0; + + ret = memory_post_test1(start, size, 0x00000000); WATCHDOG_RESET(); if (!ret) ret = memory_post_test1(start, size, 0xffffffff); @@ -453,6 +459,33 @@ static int memory_post_tests(unsigned long start, unsigned long size) return ret; } +static int memory_post_test_regions(unsigned long start, unsigned long size) +{ + unsigned long i; + int ret = 0; + + for (i = 0; i < (size >> 20) && (!ret); i++) { + if (!ret) + ret = memory_post_test_patterns(i << 20, 0x800); + if (!ret) + ret = memory_post_test_patterns((i << 20) + 0xff800, + 0x800); + } + + return ret; +} + +static int memory_post_tests(unsigned long start, unsigned long size) +{ + int ret = 0; + + ret = memory_post_test_lines(start, size); + if (!ret) + ret = memory_post_test_patterns(start, size); + + return ret; +} + /* * !! this is only valid, if you have contiguous memory banks !! */ @@ -490,6 +523,21 @@ void arch_memory_failure_handle(void) return; } +int memory_regions_post_test(int flags) +{ + int ret = 0; + phys_addr_t phys_offset = 0; + u32 memsize, vstart; + + arch_memory_test_prepare(&vstart, &memsize, &phys_offset); + + ret = memory_post_test_lines(vstart, memsize); + if (!ret) + ret = memory_post_test_regions(vstart, memsize); + + return ret; +} + int memory_post_test(int flags) { int ret = 0; @@ -502,15 +550,7 @@ int memory_post_test(int flags) if (flags & POST_SLOWTEST) { ret = memory_post_tests(vstart, memsize); } else { /* POST_NORMAL */ - unsigned long i; - for (i = 0; i < (memsize >> 20) && !ret; i++) { - if (!ret) - ret = memory_post_tests(vstart + - (i << 20), 0x800); - if (!ret) - ret = memory_post_tests(vstart + - (i << 20) + 0xff800, 0x800); - } + ret = memory_post_test_regions(vstart, memsize); } } while (!ret && !arch_memory_test_advance(&vstart, &memsize, &phys_offset)); @@ -522,4 +562,4 @@ int memory_post_test(int flags) return ret; } -#endif /* CONFIG_POST & CONFIG_SYS_POST_MEMORY */ +#endif /* CONFIG_POST&(CONFIG_SYS_POST_MEMORY|CONFIG_SYS_POST_MEM_REGIONS) */ |