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| author | John Rigby <jrigby@freescale.com> | 2007-08-24 18:18:43 -0600 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-01-13 23:36:22 +0100 |
| commit | 51b67d06faa670c65de6f29ec5b5aace74b2a047 (patch) | |
| tree | 86be5a7bcb1a1082bdc09348277d5db485343875 /board/ads5121 | |
| parent | dd531aac34aaad138f16cacdb51d61908d59c0e2 (diff) | |
| download | u-boot-imx-51b67d06faa670c65de6f29ec5b5aace74b2a047.zip u-boot-imx-51b67d06faa670c65de6f29ec5b5aace74b2a047.tar.gz u-boot-imx-51b67d06faa670c65de6f29ec5b5aace74b2a047.tar.bz2 | |
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.c | 8 |
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; } |