diff options
| -rw-r--r-- | src/include/lib.h | 1 | ||||
| -rw-r--r-- | src/lib/ramtest.c | 25 |
2 files changed, 26 insertions, 0 deletions
diff --git a/src/include/lib.h b/src/include/lib.h index 1f71d35880..2f27149095 100644 --- a/src/include/lib.h +++ b/src/include/lib.h @@ -37,6 +37,7 @@ void move_gdt(void); /* Defined in src/lib/ramtest.c */ void ram_check(unsigned long start, unsigned long stop); int ram_check_nodie(unsigned long start, unsigned long stop); +int ram_check_noprint_nodie(unsigned long start, unsigned long stop); void quick_ram_check(void); /* Defined in src/lib/stack.c */ diff --git a/src/lib/ramtest.c b/src/lib/ramtest.c index 3457210735..e9173fa7e6 100644 --- a/src/lib/ramtest.c +++ b/src/lib/ramtest.c @@ -223,6 +223,31 @@ int ram_check_nodie(unsigned long start, unsigned long stop) return ret; } +int ram_check_noprint_nodie(unsigned long start, unsigned long stop) +{ + unsigned long addr, value, value2; + unsigned short int idx; + unsigned char failed, failures; + + for (idx=0; idx<0x400; idx+=4) { + test_pattern(idx, &addr, &value); + write_phys(start + addr, value); + } + + /* Make sure we don't read before we wrote */ + phys_memory_barrier(); + + failures = 0; + for (idx=0; idx<0x400; idx+=4) { + test_pattern(idx, &addr, &value); + value2 = read_phys(start + addr); + + failed = (value2 != value); + failures |= failed; + } + return failures; +} + void quick_ram_check(void) { int fail = 0; |