return dram_size (board_type);
}
-/* DRAM check routines copied from gw8260 */
-
-#if defined (CFG_DRAM_TEST)
-
-/*********************************************************************/
-/* NAME: move64() - moves a double word (64-bit) */
-/* */
-/* DESCRIPTION: */
-/* this function performs a double word move from the data at */
-/* the source pointer to the location at the destination pointer. */
-/* */
-/* INPUTS: */
-/* unsigned long long *src - pointer to data to move */
-/* */
-/* OUTPUTS: */
-/* unsigned long long *dest - pointer to locate to move data */
-/* */
-/* RETURNS: */
-/* None */
-/* */
-/* RESTRICTIONS/LIMITATIONS: */
-/* May cloober fr0. */
-/* */
-/*********************************************************************/
-static void move64 (unsigned long long *src, unsigned long long *dest)
-{
- asm ("lfd 0, 0(3)\n\t" /* fpr0 = *scr */
- "stfd 0, 0(4)" /* *dest = fpr0 */
- : : :"fr0"); /* Clobbers fr0 */
- return;
-}
-
-#if defined (CFG_DRAM_TEST_DATA)
-
-unsigned long long pattern[] = {
- 0xaaaaaaaaaaaaaaaaULL,
- 0xccccccccccccccccULL,
- 0xf0f0f0f0f0f0f0f0ULL,
- 0xff00ff00ff00ff00ULL,
- 0xffff0000ffff0000ULL,
- 0xffffffff00000000ULL,
- 0x00000000ffffffffULL,
- 0x0000ffff0000ffffULL,
- 0x00ff00ff00ff00ffULL,
- 0x0f0f0f0f0f0f0f0fULL,
- 0x3333333333333333ULL,
- 0x5555555555555555ULL
-};
-
-/*********************************************************************/
-/* NAME: mem_test_data() - test data lines for shorts and opens */
-/* */
-/* DESCRIPTION: */
-/* Tests data lines for shorts and opens by forcing adjacent data */
-/* to opposite states. Because the data lines could be routed in */
-/* an arbitrary manner the must ensure test patterns ensure that */
-/* every case is tested. By using the following series of binary */
-/* patterns every combination of adjacent bits is test regardless */
-/* of routing. */
-/* */
-/* ...101010101010101010101010 */
-/* ...110011001100110011001100 */
-/* ...111100001111000011110000 */
-/* ...111111110000000011111111 */
-/* */
-/* Carrying this out, gives us six hex patterns as follows: */
-/* */
-/* 0xaaaaaaaaaaaaaaaa */
-/* 0xcccccccccccccccc */
-/* 0xf0f0f0f0f0f0f0f0 */
-/* 0xff00ff00ff00ff00 */
-/* 0xffff0000ffff0000 */
-/* 0xffffffff00000000 */
-/* */
-/* The number test patterns will always be given by: */
-/* */
-/* log(base 2)(number data bits) = log2 (64) = 6 */
-/* */
-/* To test for short and opens to other signals on our boards. we */
-/* simply */
-/* test with the 1's complemnt of the paterns as well. */
-/* */
-/* OUTPUTS: */
-/* Displays failing test pattern */
-/* */
-/* RETURNS: */
-/* 0 - Passed test */
-/* 1 - Failed test */
-/* */
-/* RESTRICTIONS/LIMITATIONS: */
-/* Assumes only one one SDRAM bank */
-/* */
-/*********************************************************************/
-int mem_test_data (void)
-{
- unsigned long long *pmem = (unsigned long long *)CFG_MEMTEST_START;
- unsigned long long temp64;
- int num_patterns = sizeof (pattern) / sizeof (pattern[0]);
- int i;
- unsigned int hi, lo;
-
- for (i = 0; i < num_patterns; i++) {
- move64 (&(pattern[i]), pmem);
- move64 (pmem, &temp64);
-
- /* hi = (temp64>>32) & 0xffffffff; */
- /* lo = temp64 & 0xffffffff; */
- /* printf ("\ntemp64 = 0x%08x%08x", hi, lo); */
-
- hi = (pattern[i] >> 32) & 0xffffffff;
- lo = pattern[i] & 0xffffffff;
- /* printf ("\npattern[%d] = 0x%08x%08x", i, hi, lo); */
-
- if (temp64 != pattern[i]) {
- printf ("\n Data Test Failed, pattern 0x%08x%08x",
- hi, lo);
- return 1;
- }
- }
-
- return 0;
-}
-#endif /* CFG_DRAM_TEST_DATA */
-
-#if defined (CFG_DRAM_TEST_ADDRESS)
-/*********************************************************************/
-/* NAME: mem_test_address() - test address lines */
-/* */
-/* DESCRIPTION: */
-/* This function performs a test to verify that each word im */
-/* memory is uniquly addressable. The test sequence is as follows: */
-/* */
-/* 1) write the address of each word to each word. */
-/* 2) verify that each location equals its address */
-/* */
-/* OUTPUTS: */
-/* Displays failing test pattern and address */
-/* */
-/* RETURNS: */
-/* 0 - Passed test */
-/* 1 - Failed test */
-/* */
-/* RESTRICTIONS/LIMITATIONS: */
-/* */
-/* */
-/*********************************************************************/
-int mem_test_address (void)
-{
- volatile unsigned int *pmem =
- (volatile unsigned int *)CFG_MEMTEST_START;
- const unsigned int size = (CFG_MEMTEST_END - CFG_MEMTEST_START) / 4;
- unsigned int i;
-
- /* write address to each location */
- for (i = 0; i < size; i++) {
- pmem[i] = i;
- }
-
- /* verify each loaction */
- for (i = 0; i < size; i++) {
- if (pmem[i] != i) {
- printf ("\n Address Test Failed at 0x%x", i);
- return 1;
- }
- }
- return 0;
-}
-#endif /* CFG_DRAM_TEST_ADDRESS */
-
-#if defined (CFG_DRAM_TEST_WALK)
-/*********************************************************************/
-/* NAME: mem_march() - memory march */
-/* */
-/* DESCRIPTION: */
-/* Marches up through memory. At each location verifies rmask if */
-/* read = 1. At each location write wmask if write = 1. Displays */
-/* failing address and pattern. */
-/* */
-/* INPUTS: */
-/* volatile unsigned long long * base - start address of test */
-/* unsigned int size - number of dwords(64-bit) to test */
-/* unsigned long long rmask - read verify mask */
-/* unsigned long long wmask - wrtie verify mask */
-/* short read - verifies rmask if read = 1 */
-/* short write - writes wmask if write = 1 */
-/* */
-/* OUTPUTS: */
-/* Displays failing test pattern and address */
-/* */
-/* RETURNS: */
-/* 0 - Passed test */
-/* 1 - Failed test */
-/* */
-/* RESTRICTIONS/LIMITATIONS: */
-/* */
-/* */
-/*********************************************************************/
-int mem_march (volatile unsigned long long *base,
- unsigned int size,
- unsigned long long rmask,
- unsigned long long wmask, short read, short write)
-{
- unsigned int i;
- unsigned long long temp;
- unsigned int hitemp, lotemp, himask, lomask;
-
- for (i = 0; i < size; i++) {
- if (read != 0) {
- /* temp = base[i]; */
- move64 ((unsigned long long *)&(base[i]), &temp);
- if (rmask != temp) {
- hitemp = (temp >> 32) & 0xffffffff;
- lotemp = temp & 0xffffffff;
- himask = (rmask >> 32) & 0xffffffff;
- lomask = rmask & 0xffffffff;
-
- printf ("\n Walking one's test failed: \
- address = 0x%08x," "\n\texpected \
- 0x%08x%08x, found 0x%08x%08x", i << 3,\
- himask, lomask, hitemp, lotemp);
- return 1;
- }
- }
- if (write != 0) {
- /* base[i] = wmask; */
- move64 (&wmask, (unsigned long long *)&(base[i]));
- }
- }
- return 0;
-}
-#endif /* CFG_DRAM_TEST_WALK */
-
-/*********************************************************************/
-/* NAME: mem_test_walk() - a simple walking ones test */
-/* */
-/* DESCRIPTION: */
-/* Performs a walking ones through entire physical memory. The */
-/* test uses as series of memory marches, mem_march(), to verify */
-/* and write the test patterns to memory. The test sequence is as */
-/* follows: */
-/* 1) march writing 0000...0001 */
-/* 2) march verifying 0000...0001 , writing 0000...0010 */
-/* 3) repeat step 2 shifting masks left 1 bit each time unitl */
-/* the write mask equals 1000...0000 */
-/* 4) march verifying 1000...0000 */
-/* The test fails if any of the memory marches return a failure. */
-/* */
-/* OUTPUTS: */
-/* Displays which pass on the memory test is executing */
-/* */
-/* RETURNS: */
-/* 0 - Passed test */
-/* 1 - Failed test */
-/* */
-/* RESTRICTIONS/LIMITATIONS: */
-/* */
-/* */
-/*********************************************************************/
-int mem_test_walk (void)
-{
- unsigned long long mask;
- volatile unsigned long long *pmem =
- (volatile unsigned long long *)CFG_MEMTEST_START;
- const unsigned long size = (CFG_MEMTEST_END - CFG_MEMTEST_START) / 8;
-
- unsigned int i;
-
- mask = 0x01;
-
- printf ("Initial Pass");
- mem_march (pmem, size, 0x0, 0x1, 0, 1);
-
- printf ("\b\b\b\b\b\b\b\b\b\b\b\b");
- printf (" ");
- printf (" ");
- printf ("\b\b\b\b\b\b\b\b\b\b\b\b");
-
- for (i = 0; i < 63; i++) {
- printf ("Pass %2d", i + 2);
- if (mem_march(pmem, size, mask, mask << 1, 1, 1) != 0)
- /*printf ("mask: 0x%x, pass: %d, ", mask, i); */
- return 1;
- mask = mask << 1;
- printf ("\b\b\b\b\b\b\b");
- }
-
- printf ("Last Pass");
- if (mem_march(pmem, size, 0, mask, 0, 1) != 0) {
- /* printf ("mask: 0x%x", mask); */
- return 1;
- }
- printf ("\b\b\b\b\b\b\b\b\b");
- printf (" ");
- printf ("\b\b\b\b\b\b\b\b\b");
-
- return 0;
-}
-
-/*********************************************************************/
-/* NAME: testdram() - calls any enabled memory tests */
-/* */
-/* DESCRIPTION: */
-/* Runs memory tests if the environment test variables are set to */
-/* 'y'. */
-/* */
-/* INPUTS: */
-/* testdramdata - If set to 'y', data test is run. */
-/* testdramaddress - If set to 'y', address test is run. */
-/* testdramwalk - If set to 'y', walking ones test is run */
-/* */
-/* OUTPUTS: */
-/* None */
-/* */
-/* RETURNS: */
-/* 0 - Passed test */
-/* 1 - Failed test */
-/* */
-/* RESTRICTIONS/LIMITATIONS: */
-/* */
-/* */
-/*********************************************************************/
-int testdram (void)
-{
- char *s;
- int rundata, runaddress, runwalk;
-
- s = getenv ("testdramdata");
- rundata = (s && (*s == 'y')) ? 1 : 0;
- s = getenv ("testdramaddress");
- runaddress = (s && (*s == 'y')) ? 1 : 0;
- s = getenv ("testdramwalk");
- runwalk = (s && (*s == 'y')) ? 1 : 0;
-
-/* rundata = 1; */
-/* runaddress = 0; */
-/* runwalk = 0; */
-
- if ((rundata == 1) || (runaddress == 1) || (runwalk == 1))
- printf ("Testing RAM from 0x%08x to 0x%08x ... \
- (don't panic... that will take a moment !!!!)\n", \
- CFG_MEMTEST_START, CFG_MEMTEST_END);
-#ifdef CFG_DRAM_TEST_DATA
- if (rundata == 1) {
- printf ("Test DATA ... ");
- if (mem_test_data () == 1) {
- printf ("failed \n");
- return 1;
- } else
- printf ("ok \n");
- }
-#endif
-#ifdef CFG_DRAM_TEST_ADDRESS
- if (runaddress == 1) {
- printf ("Test ADDRESS ... ");
- if (mem_test_address () == 1) {
- printf ("failed \n");
- return 1;
- } else
- printf ("ok \n");
- }
-#endif
-#ifdef CFG_DRAM_TEST_WALK
- if (runwalk == 1) {
- printf ("Test WALKING ONEs ... ");
- if (mem_test_walk () == 1) {
- printf ("failed \n");
- return 1;
- } else
- printf ("ok \n");
- }
-#endif
- if ((rundata == 1) || (runaddress == 1) || (runwalk == 1))
- printf ("passed\n");
- return 0;
-
-}
-#endif /* CFG_DRAM_TEST */
-
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup (void *blob, bd_t *bd)
projects / u-boot / commitdiff