diff options
| author | Doug Anderson <dianders@chromium.org> | 2011-10-17 17:56:54 -0700 |
|---|---|---|
| committer | Gerrit <chrome-bot@google.com> | 2011-10-28 11:08:57 -0700 |
| commit | 59700e830d14730f4df65feb83c0fe0a5e3e33b9 (patch) | |
| tree | 2ac65ca0dc9e1bde8d48f1f7dc2a464aa52f3bdd /drivers | |
| parent | 186e1be5e2555ff51d496ad7a179b5988ae6be9a (diff) | |
mmc: tegra3: Add MMC support for Tegra3 (specifically, waluigi)
BUG=chromium-os:21540
TEST=Able to talk to MMC1 on Waluigi w/ future config changes.
Specifically:
1. mmcinfo 0 - works (shows info)
2. mmcinfo 1 - works (shows info)
3. mmc rescan 1; mmc part 1 - works (shows partitions)
Change-Id: I730d3b91088f20ccf7ca20f3f31f7d59514af243
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/10661
Reviewed-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/tegra_mmc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/tegra_mmc.c b/drivers/mmc/tegra_mmc.c index 7f943b2afc..0c1dc8ed84 100644 --- a/drivers/mmc/tegra_mmc.c +++ b/drivers/mmc/tegra_mmc.c @@ -560,6 +560,14 @@ static void mmc_reset(struct mmc_host *host) timeout--; udelay(1000); } + +#if defined(CONFIG_TEGRA3) + /* TCW Set SD_BUS_VOLTAGE and SD_BUS_POWER here for T30! */ + /* TCW Find a way to do it based on fuses, device caps, etc. */ + writeb(0x0F, &host->reg->pwrcon); + printf("mmc_reset: power control = %02X, host control = %02X\n", + readb(&host->reg->pwrcon), readb(&host->reg->hostctl)); +#endif } static int mmc_core_init(struct mmc *mmc) |