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authorJohn Rigby <jrigby@freescale.com>2007-08-24 18:18:43 -0600
committerWolfgang Denk <wd@denx.de>2008-01-13 23:36:22 +0100
commit51b67d06faa670c65de6f29ec5b5aace74b2a047 (patch)
tree86be5a7bcb1a1082bdc09348277d5db485343875 /board/ads5121
parentdd531aac34aaad138f16cacdb51d61908d59c0e2 (diff)
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ADS5121: MAX slew rate for PATA pins
Signed-off-by: John Rigby <jrigby@freescale.com>
Diffstat (limited to 'board/ads5121')
-rw-r--r--board/ads5121/ads5121.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c
index 8531657..b8826a1 100644
--- a/board/ads5121/ads5121.c
+++ b/board/ads5121/ads5121.c
@@ -180,9 +180,17 @@ int checkboard (void)
{
ushort brd_rev = *(vu_short *) (CFG_CPLD_BASE + 0x00);
uchar cpld_rev = *(vu_char *) (CFG_CPLD_BASE + 0x02);
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ volatile unsigned long *reg;
+ int i;
printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
brd_rev, cpld_rev);
+
+ /* change the slew rate on all pata pins to max */
+ reg = (unsigned long *) &(im->io_ctrl.regs[PATA_CE1_IDX]);
+ for (i = 0; i < 9; i++)
+ reg[i] |= 0x00000003;
return 0;
}