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Fixes to get SDRAM working on the Open1788. Works but is not reliable

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5794 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2013-03-27 16:24:45 +00:00
parent b9e8b5654a
commit f18812e480
1 changed files with 139 additions and 42 deletions
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181
system/ramtest/ramtest.c
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@ -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);
}