omap4: mmc driver support on OMAP4
Add basic support for all 5 MMC controllers on OMAP4.
This patch doesn't include mmc-regulator support
Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Acked-by: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index a2e9156..92009a4 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -397,7 +397,7 @@
/*-------------------------------------------------------------------------*/
-#ifdef CONFIG_ARCH_OMAP3
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
#define MMCHS_SYSCONFIG 0x0010
#define MMCHS_SYSCONFIG_SWRESET (1 << 1)
@@ -424,8 +424,8 @@
**/
static void __init omap_hsmmc_reset(void)
{
- u32 i, nr_controllers = cpu_is_omap34xx() ? OMAP34XX_NR_MMC :
- OMAP24XX_NR_MMC;
+ u32 i, nr_controllers = cpu_is_omap44xx() ? OMAP44XX_NR_MMC :
+ (cpu_is_omap34xx() ? OMAP34XX_NR_MMC : OMAP24XX_NR_MMC);
for (i = 0; i < nr_controllers; i++) {
u32 v, base = 0;
@@ -442,8 +442,21 @@
case 2:
base = OMAP3_MMC3_BASE;
break;
+ case 3:
+ if (!cpu_is_omap44xx())
+ return;
+ base = OMAP4_MMC4_BASE;
+ break;
+ case 4:
+ if (!cpu_is_omap44xx())
+ return;
+ base = OMAP4_MMC5_BASE;
+ break;
}
+ if (cpu_is_omap44xx())
+ base += OMAP4_MMC_REG_OFFSET;
+
dummy_pdev.id = i;
dev_set_name(&dummy_pdev.dev, "mmci-omap-hs.%d", i);
iclk = clk_get(dev, "ick");
@@ -581,11 +594,23 @@
irq = INT_24XX_MMC2_IRQ;
break;
case 2:
- if (!cpu_is_omap34xx())
+ if (!cpu_is_omap44xx() && !cpu_is_omap34xx())
return;
base = OMAP3_MMC3_BASE;
irq = INT_34XX_MMC3_IRQ;
break;
+ case 3:
+ if (!cpu_is_omap44xx())
+ return;
+ base = OMAP4_MMC4_BASE + OMAP4_MMC_REG_OFFSET;
+ irq = INT_44XX_MMC4_IRQ;
+ break;
+ case 4:
+ if (!cpu_is_omap44xx())
+ return;
+ base = OMAP4_MMC5_BASE + OMAP4_MMC_REG_OFFSET;
+ irq = INT_44XX_MMC5_IRQ;
+ break;
default:
continue;
}
@@ -593,8 +618,15 @@
if (cpu_is_omap2420()) {
size = OMAP2420_MMC_SIZE;
name = "mmci-omap";
+ } else if (cpu_is_omap44xx()) {
+ if (i < 3) {
+ base += OMAP4_MMC_REG_OFFSET;
+ irq += IRQ_GIC_START;
+ }
+ size = OMAP4_HSMMC_SIZE;
+ name = "mmci-omap-hs";
} else {
- size = HSMMC_SIZE;
+ size = OMAP3_HSMMC_SIZE;
name = "mmci-omap-hs";
}
omap_mmc_add(name, i, base, size, irq, mmc_data[i]);