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omap mmc: Add low-level initialization for hsmmc controller

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Add low-level initialization for hsmmc controller. Merged into
this patch patch are various improvments and board support by
Grazvydas Ignotas and David Brownell.

Also change wire4 to be wires, as some newer controllers support
8 data lines.

Cc: Pierre Ossman <drzeus-mmc@drzeus.cx>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren
2008-12-10 17:37:17 -08:00
parent d88746652b
commit 90c62bf08f
14 changed files with 730 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/mach-omap1/devices.c
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@@ -116,7 +116,7 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
omap_cfg_reg(P19_1710_MMC_CMDDIR);
omap_cfg_reg(P20_1710_MMC_DATDIR0);
}
if (mmc_controller->slots[0].wire4) {
if (mmc_controller->slots[0].wires == 4) {
omap_cfg_reg(MMC_DAT1);
/* NOTE: DAT2 can be on W10 (here) or M15 */
if (!mmc_controller->slots[0].nomux)
@@ -132,7 +132,7 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
omap_cfg_reg(Y10_1610_MMC2_CLK);
omap_cfg_reg(R18_1610_MMC2_CLKIN);
omap_cfg_reg(W8_1610_MMC2_DAT0);
if (mmc_controller->slots[1].wire4) {
if (mmc_controller->slots[1].wires == 4) {
omap_cfg_reg(V8_1610_MMC2_DAT1);
omap_cfg_reg(W15_1610_MMC2_DAT2);
omap_cfg_reg(R10_1610_MMC2_DAT3);