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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-27 16:24:45 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-27 16:24:45 +0000 |
commit | 68a797def39476f4cfe5764a364bba719d85a797 (patch) | |
tree | febbd6f10aed6cdfebfeb85c3dc309ad2d745153 /apps/system | |
parent | 6831c49a517bfe90b75a732b1d39ce303960c023 (diff) | |
download | px4-nuttx-68a797def39476f4cfe5764a364bba719d85a797.tar.gz px4-nuttx-68a797def39476f4cfe5764a364bba719d85a797.tar.bz2 px4-nuttx-68a797def39476f4cfe5764a364bba719d85a797.zip |
Fixes to get SDRAM working on the Open1788. Works but is not reliable
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5794 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'apps/system')
-rw-r--r-- | apps/system/ramtest/ramtest.c | 181 |
1 files changed, 139 insertions, 42 deletions
diff --git a/apps/system/ramtest/ramtest.c b/apps/system/ramtest/ramtest.c index 378a9a333..fb3519a13 100644 --- a/apps/system/ramtest/ramtest.c +++ b/apps/system/ramtest/ramtest.c @@ -70,6 +70,7 @@ struct ramtest_s uint8_t width; uintptr_t start; size_t size; + size_t nxfrs; uint32_t mask; }; @@ -81,19 +82,28 @@ struct ramtest_s * Private Functions ****************************************************************************/ +/**************************************************************************** + * Name: show_usage + ****************************************************************************/ + static void show_usage(FAR const char *progname, int exitcode) { printf("\nUsage: %s [-w|h|b] <hex-address> <decimal-size>\n", progname); printf("\nWhere:\n"); printf(" <hex-address> starting address of the test.\n"); - printf(" <decimal-size> number of memory locations.\n"); + printf(" <decimal-size> number of memory locations (in bytes).\n"); printf(" -w Sets the width of a memory location to 32-bits.\n"); printf(" -h Sets the width of a memory location to 16-bits (default).\n"); printf(" -b Sets the width of a memory location to 8-bits.\n"); exit(exitcode); } -static void parse_commandline(int argc, char **argv, FAR struct ramtest_s *info) +/**************************************************************************** + * Name: parse_commandline + ****************************************************************************/ + +static void parse_commandline(int argc, char **argv, + FAR struct ramtest_s *info) { FAR char *ptr; int option; @@ -131,14 +141,14 @@ static void parse_commandline(int argc, char **argv, FAR struct ramtest_s *info) } info->start = (uintptr_t)strtoul(argv[optind], &ptr, 16); - if (*ptr != '\0'); + if (*ptr != '\0') { - printf(RAMTEST_PREFIX "Invalid <hex-address>\n"); + printf(RAMTEST_PREFIX "Invalid <hex-address>: %s->%lx [%02x]\n", + argv[optind], info->start, *ptr); show_usage(argv[0], EXIT_FAILURE); } optind++; - if (optind >= argc) { printf(RAMTEST_PREFIX "Missing <decimal-size>\n"); @@ -146,12 +156,32 @@ static void parse_commandline(int argc, char **argv, FAR struct ramtest_s *info) } info->size = (size_t)strtoul(argv[optind], &ptr, 10); - if (*ptr != '\0'); + if (*ptr != '\0') { - printf(RAMTEST_PREFIX "Invalid <decimal-size>\n"); + printf(RAMTEST_PREFIX "Invalid <decimal-size>: %s->%lx [%02x]\n", + argv[optind], info->size, *ptr); show_usage(argv[0], EXIT_FAILURE); } + /* Convert the size (in bytes) to the corresponding number of transfers + * of the selected width. + */ + + if (info->width == 8) + { + info->nxfrs = info->size; + } + else if (info->width == 32) + { + info->nxfrs = info->size >> 2; + } + else + { + info->width = 16; + info->nxfrs = info->size >> 1; + } + + optind++; if (optind != argc) { printf(RAMTEST_PREFIX "Too many arguments\n"); @@ -159,6 +189,10 @@ static void parse_commandline(int argc, char **argv, FAR struct ramtest_s *info) } } +/**************************************************************************** + * Name: write_memory + ****************************************************************************/ + static void write_memory(FAR struct ramtest_s *info, uint32_t value) { size_t i; @@ -166,7 +200,7 @@ static void write_memory(FAR struct ramtest_s *info, uint32_t value) if (info->width == 32) { uint32_t *ptr = (uint32_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { *ptr++ = value; } @@ -174,7 +208,7 @@ static void write_memory(FAR struct ramtest_s *info, uint32_t value) else if (info->width == 16) { uint16_t *ptr = (uint16_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { *ptr++ = (uint16_t)value; } @@ -182,13 +216,17 @@ static void write_memory(FAR struct ramtest_s *info, uint32_t value) else /* if (info->width == 8) */ { uint8_t *ptr = (uint8_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { *ptr++ = (uint8_t)value; } } } +/**************************************************************************** + * Name: verify_memory + ****************************************************************************/ + static void verify_memory(FAR struct ramtest_s *info, uint32_t value) { size_t i; @@ -196,11 +234,12 @@ static void verify_memory(FAR struct ramtest_s *info, uint32_t value) if (info->width == 32) { uint32_t *ptr = (uint32_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { if (*ptr != value) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %08x Expected %08x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %08x Expected %08x\n", ptr, *ptr, value); } @@ -211,11 +250,12 @@ static void verify_memory(FAR struct ramtest_s *info, uint32_t value) { uint16_t value16 = (uint16_t)(value & 0x0000ffff); uint16_t *ptr = (uint16_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { if (*ptr != value16) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %04x Expected %04x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %04x Expected %04x\n", ptr, *ptr, value16); } @@ -226,11 +266,12 @@ static void verify_memory(FAR struct ramtest_s *info, uint32_t value) { uint8_t value8 = (uint8_t)(value & 0x000000ff); uint8_t *ptr = (uint8_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { if (*ptr != value8) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %02x Expected %02x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %02x Expected %02x\n", ptr, *ptr, value8); } @@ -239,10 +280,17 @@ static void verify_memory(FAR struct ramtest_s *info, uint32_t value) } } +/**************************************************************************** + * Name: marching_ones + ****************************************************************************/ + static void marching_ones(FAR struct ramtest_s *info) { uint32_t pattern = 0x00000001; + printf(RAMTEST_PREFIX "Marching ones: %08x %d\n", + info->start, info->size); + while (pattern != 0) { write_memory(info, pattern); @@ -252,10 +300,17 @@ static void marching_ones(FAR struct ramtest_s *info) } } +/**************************************************************************** + * Name: marching_zeros + ****************************************************************************/ + static void marching_zeros(FAR struct ramtest_s *info) { uint32_t pattern = 0xfffffffe; + printf(RAMTEST_PREFIX "Marching zeroes: %08x %d\n", + info->start, info->size); + while (pattern != 0xffffffff) { write_memory(info, pattern); @@ -266,15 +321,20 @@ static void marching_zeros(FAR struct ramtest_s *info) } } -static void write_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_t value_2) +/**************************************************************************** + * Name: write_memory2 + ****************************************************************************/ + +static void write_memory2(FAR struct ramtest_s *info, uint32_t value_1, + uint32_t value_2) { - size_t even_size = info->size & ~1; + size_t even_nxfrs = info->nxfrs & ~1; size_t i; if (info->width == 32) { uint32_t *ptr = (uint32_t*)info->start; - for (i = 0; i < even_size; i += 2) + for (i = 0; i < even_nxfrs; i += 2) { *ptr++ = value_1; *ptr++ = value_2; @@ -283,7 +343,7 @@ static void write_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_t else if (info->width == 16) { uint16_t *ptr = (uint16_t*)info->start; - for (i = 0; i < even_size; i += 2) + for (i = 0; i < even_nxfrs; i += 2) { *ptr++ = (uint16_t)value_1; *ptr++ = (uint16_t)value_2; @@ -292,7 +352,7 @@ static void write_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_t else /* if (info->width == 8) */ { uint8_t *ptr = (uint8_t*)info->start; - for (i = 0; i < even_size; i += 2) + for (i = 0; i < even_nxfrs; i += 2) { *ptr++ = (uint8_t)value_1; *ptr++ = (uint8_t)value_2; @@ -300,21 +360,28 @@ static void write_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_t } } -static void verify_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_t value_2) +/**************************************************************************** + * Name: verify_memory2 + ****************************************************************************/ + +static void verify_memory2(FAR struct ramtest_s *info, uint32_t value_1, + uint32_t value_2) { - size_t even_size = info->size & ~1; + size_t even_nxfrs = info->nxfrs & ~1; size_t i; if (info->width == 32) { uint32_t *ptr = (uint32_t*)info->start; - for (i = 0; i < even_size; i += 2) + for (i = 0; i < even_nxfrs; i += 2) { if (ptr[0] != value_1 || ptr[1] != value_2) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %08x and %08x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %08x and %08x\n", ptr, ptr[0], ptr[1]); - printf(RAMTEST_PREFIX " Expected: %08x and %08x\n", + printf(RAMTEST_PREFIX + " Expected: %08x and %08x\n", value_1, value_2); } @@ -326,13 +393,15 @@ static void verify_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_ uint16_t value16_1 = (uint16_t)(value_1 & 0x0000ffff); uint16_t value16_2 = (uint16_t)(value_2 & 0x0000ffff); uint16_t *ptr = (uint16_t*)info->start; - for (i = 0; i < even_size; i += 2) + for (i = 0; i < even_nxfrs; i += 2) { if (ptr[0] != value16_1 || ptr[1] != value16_2) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %04x and %04x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %04x and %04x\n", ptr, ptr[0], ptr[1]); - printf(RAMTEST_PREFIX " Expected: %04x and %04x\n", + printf(RAMTEST_PREFIX + " Expected: %04x and %04x\n", value16_1, value16_2); } @@ -344,13 +413,15 @@ static void verify_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_ uint8_t value8_1 = (uint8_t)(value_1 & 0x000000ff); uint8_t value8_2 = (uint8_t)(value_2 & 0x000000ff); uint8_t *ptr = (uint8_t*)info->start; - for (i = 0; i < even_size; i += 2) + for (i = 0; i < even_nxfrs; i += 2) { if (ptr[0] != value8_1 || ptr[1] != value8_2) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %02x and %02x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %02x and %02x\n", ptr, ptr[0], ptr[1]); - printf(RAMTEST_PREFIX " Expected: %02x and %02x\n", + printf(RAMTEST_PREFIX + " Expected: %02x and %02x\n", value8_1, value8_2); } @@ -359,12 +430,24 @@ static void verify_memory2(FAR struct ramtest_s *info, uint32_t value_1, uint32_ } } -static void pattern_test(FAR struct ramtest_s *info, uint32_t pattern1, uint32_t pattern2) +/**************************************************************************** + * Name: pattern_test + ****************************************************************************/ + +static void pattern_test(FAR struct ramtest_s *info, uint32_t pattern1, + uint32_t pattern2) { + printf(RAMTEST_PREFIX "Pattern test: %08x %d %08x %08x\n", + info->start, info->size, pattern1, pattern2); + write_memory2(info, pattern1, pattern2); verify_memory2(info, pattern1, pattern2); } +/**************************************************************************** + * Name: write_addrinaddr + ****************************************************************************/ + static void write_addrinaddr(FAR struct ramtest_s *info) { size_t i; @@ -372,7 +455,7 @@ static void write_addrinaddr(FAR struct ramtest_s *info) if (info->width == 32) { uint32_t *ptr = (uint32_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { uint32_t value32 = (uint32_t)((uintptr_t)ptr); *ptr++ = value32; @@ -381,7 +464,7 @@ static void write_addrinaddr(FAR struct ramtest_s *info) else if (info->width == 16) { uint16_t *ptr = (uint16_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { uint16_t value16 = (uint16_t)((uintptr_t)ptr & 0x0000ffff); *ptr++ = value16; @@ -390,7 +473,7 @@ static void write_addrinaddr(FAR struct ramtest_s *info) else /* if (info->width == 8) */ { uint8_t *ptr = (uint8_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { uint8_t value8 = (uint8_t)((uintptr_t)ptr & 0x000000ff); *ptr++ = value8; @@ -398,6 +481,10 @@ static void write_addrinaddr(FAR struct ramtest_s *info) } } +/**************************************************************************** + * Name: verify_addrinaddr + ****************************************************************************/ + static void verify_addrinaddr(FAR struct ramtest_s *info) { size_t i; @@ -405,12 +492,13 @@ static void verify_addrinaddr(FAR struct ramtest_s *info) if (info->width == 32) { uint32_t *ptr = (uint32_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { uint32_t value32 = (uint32_t)((uintptr_t)ptr); if (*ptr != value32) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %08x Expected %08x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %08x Expected %08x\n", ptr, *ptr, value32); } @@ -420,12 +508,13 @@ static void verify_addrinaddr(FAR struct ramtest_s *info) else if (info->width == 16) { uint16_t *ptr = (uint16_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { uint16_t value16 = (uint16_t)((uintptr_t)ptr & 0x0000ffff); if (*ptr != value16) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %04x Expected %04x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %04x Expected %04x\n", ptr, *ptr, value16); } @@ -435,12 +524,13 @@ static void verify_addrinaddr(FAR struct ramtest_s *info) else /* if (info->width == 8) */ { uint8_t *ptr = (uint8_t*)info->start; - for (i = 0; i < info->size; i++) + for (i = 0; i < info->nxfrs; i++) { uint16_t value8 = (uint8_t)((uintptr_t)ptr & 0x000000ff); if (*ptr != value8) { - printf(RAMTEST_PREFIX "ERROR: Address %p Found: %02x Expected %02x\n", + printf(RAMTEST_PREFIX + "ERROR: Address %p Found: %02x Expected %02x\n", ptr, *ptr, value8); } @@ -449,8 +539,15 @@ static void verify_addrinaddr(FAR struct ramtest_s *info) } } +/**************************************************************************** + * Name: addr_in_addr + ****************************************************************************/ + static void addr_in_addr(FAR struct ramtest_s *info) { + printf(RAMTEST_PREFIX "Address-in-address test: %08x %d\n", + info->start, info->size); + write_addrinaddr(info); verify_addrinaddr(info); } |