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davinci: dm365: add MMC/SD support
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Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Sandeep Paulraj authored and Kevin Hilman committed Aug 26, 2009
1 parent 15061b5 commit 19ff3bf
Showing 1 changed file with 31 additions and 14 deletions.
45 changes: 31 additions & 14 deletions arch/arm/mach-davinci/devices.c
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,8 @@
#define DAVINCI_MMCSD0_BASE 0x01E10000
#define DM355_MMCSD0_BASE 0x01E11000
#define DM355_MMCSD1_BASE 0x01E00000
#define DM365_MMCSD0_BASE 0x01D11000
#define DM365_MMCSD1_BASE 0x01D00000

static struct resource i2c_resources[] = {
{
Expand Down Expand Up @@ -154,19 +156,31 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)
*/
switch (module) {
case 1:
if (!cpu_is_davinci_dm355())
if (cpu_is_davinci_dm355()) {
/* REVISIT we may not need all these pins if e.g. this
* is a hard-wired SDIO device...
*/
davinci_cfg_reg(DM355_SD1_CMD);
davinci_cfg_reg(DM355_SD1_CLK);
davinci_cfg_reg(DM355_SD1_DATA0);
davinci_cfg_reg(DM355_SD1_DATA1);
davinci_cfg_reg(DM355_SD1_DATA2);
davinci_cfg_reg(DM355_SD1_DATA3);
} else if (cpu_is_davinci_dm365()) {
void __iomem *pupdctl1 =
IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE + 0x7c);

/* Configure pull down control */
__raw_writel((__raw_readl(pupdctl1) & ~0x400),
pupdctl1);

mmcsd1_resources[0].start = DM365_MMCSD1_BASE;
mmcsd1_resources[0].end = DM365_MMCSD1_BASE +
SZ_4K - 1;
mmcsd0_resources[2].start = IRQ_DM365_SDIOINT1;
} else
break;

/* REVISIT we may not need all these pins if e.g. this
* is a hard-wired SDIO device...
*/
davinci_cfg_reg(DM355_SD1_CMD);
davinci_cfg_reg(DM355_SD1_CLK);
davinci_cfg_reg(DM355_SD1_DATA0);
davinci_cfg_reg(DM355_SD1_DATA1);
davinci_cfg_reg(DM355_SD1_DATA2);
davinci_cfg_reg(DM355_SD1_DATA3);

pdev = &davinci_mmcsd1_device;
break;
case 0:
Expand All @@ -180,9 +194,12 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)

/* enable RX EDMA */
davinci_cfg_reg(DM355_EVT26_MMC0_RX);
}

else if (cpu_is_davinci_dm644x()) {
} else if (cpu_is_davinci_dm365()) {
mmcsd0_resources[0].start = DM365_MMCSD0_BASE;
mmcsd0_resources[0].end = DM365_MMCSD0_BASE +
SZ_4K - 1;
mmcsd0_resources[2].start = IRQ_DM365_SDIOINT0;
} else if (cpu_is_davinci_dm644x()) {
/* REVISIT: should this be in board-init code? */
void __iomem *base =
IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
Expand Down

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