From 51b67d06faa670c65de6f29ec5b5aace74b2a047 Mon Sep 17 00:00:00 2001 From: John Rigby Date: Fri, 24 Aug 2007 18:18:43 -0600 Subject: ADS5121: MAX slew rate for PATA pins Signed-off-by: John Rigby --- board/ads5121/ads5121.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'board/ads5121') 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; } -- cgit v1.1