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-rw-r--r--include/post.h1
-rw-r--r--post/drivers/memory.c78
-rw-r--r--post/tests.c13
3 files changed, 73 insertions, 19 deletions
diff --git a/include/post.h b/include/post.h
index e783b94..ac93f43 100644
--- a/include/post.h
+++ b/include/post.h
@@ -196,6 +196,7 @@ extern int memory_post_test(int flags);
#define CONFIG_SYS_POST_CODEC 0x00200000
#define CONFIG_SYS_POST_COPROC 0x00400000
#define CONFIG_SYS_POST_FLASH 0x00800000
+#define CONFIG_SYS_POST_MEM_REGIONS 0x01000000
#endif /* CONFIG_POST */
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) */
diff --git a/post/tests.c b/post/tests.c
index 725f80b..98af980 100644
--- a/post/tests.c
+++ b/post/tests.c
@@ -57,6 +57,7 @@ extern int sysmon1_post_test(int flags);
extern int coprocessor_post_test(int flags);
extern int led_post_test(int flags);
extern int button_post_test(int flags);
+extern int memory_regions_post_test(int flags);
extern int sysmon_init_f (void);
@@ -318,6 +319,18 @@ struct post_test post_list[] =
CONFIG_SYS_POST_FLASH
},
#endif
+#if CONFIG_POST & CONFIG_SYS_POST_MEM_REGIONS
+ {
+ "Memory regions test",
+ "mem_regions",
+ "This test checks regularly placed regions of the RAM.",
+ POST_ROM | POST_SLOWTEST | POST_PREREL,
+ &memory_regions_post_test,
+ NULL,
+ NULL,
+ CONFIG_SYS_POST_MEM_REGIONS
+ },
+#endif
};
unsigned int post_list_size = ARRAY_SIZE(post_list);