#include <common.h>
#include <mpc8xx.h>
+DECLARE_GLOBAL_DATA_PTR;
+
/* ------------------------------------------------------------------------- */
static long int dram_size (long int, long int *, long int);
int checkboard (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
- unsigned char *s = getenv ("serial#");
- unsigned char *e;
+ char *s = getenv ("serial#");
+ char *e;
puts ("Board: ");
/* ------------------------------------------------------------------------- */
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
{
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
*
* try 8 column mode
*/
- size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE2_PRELIM,
+ size8 = dram_size (CFG_MAMR_8COL, (long *) SDRAM_BASE2_PRELIM,
SDRAM_MAX_SIZE);
udelay (1000);
/*
* try 9 column mode
*/
- size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE2_PRELIM,
+ size9 = dram_size (CFG_MAMR_9COL, (long *) SDRAM_BASE2_PRELIM,
SDRAM_MAX_SIZE);
if (size8 < size9) { /* leave configuration at 9 columns */
* but then only half the real size will be used.]
*/
size_b1 =
- dram_size (memctl->memc_mamr, (ulong *) SDRAM_BASE3_PRELIM,
+ dram_size (memctl->memc_mamr, (long *) SDRAM_BASE3_PRELIM,
SDRAM_MAX_SIZE);
/* debug ("SDRAM Bank 1: %ld MB\n", size8 >> 20); */
} else {
{
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
- volatile long int *addr;
- ulong cnt, val;
- ulong save[32]; /* to make test non-destructive */
- unsigned char i = 0;
memctl->memc_mamr = mamr_value;
- for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
- addr = base + cnt; /* pointer arith! */
-
- save[i++] = *addr;
- *addr = ~cnt;
- }
-
- /* write 0 to base address */
- addr = base;
- save[i] = *addr;
- *addr = 0;
-
- /* check at base address */
- if ((val = *addr) != 0) {
- *addr = save[i];
- return (0);
- }
-
- for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
- addr = base + cnt; /* pointer arith! */
-
- val = *addr;
- *addr = save[--i];
-
- if (val != (~cnt)) {
- return (cnt * sizeof (long));
- }
- }
- return (maxsize);
+ return (get_ram_size(base, maxsize));
}
/* ------------------------------------------------------------------------- */