diff options
| author | kishore kadiyala <kishore.kadiyala@ti.com> | 2009-09-22 16:45:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 07:39:37 -0700 |
| commit | 82cf818d54f0a415a031eabd0949a81946445198 (patch) | |
| tree | 947295f8136af85acd7e33b7ab01a8e8669c13b8 /arch/arm/mach-omap2 | |
| parent | c99436fb7505ca2427780d7ae49ebb427bb6f374 (diff) | |
| download | op-kernel-dev-82cf818d54f0a415a031eabd0949a81946445198.zip op-kernel-dev-82cf818d54f0a415a031eabd0949a81946445198.tar.gz | |
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>
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/devices.c | 42 |
1 files changed, 37 insertions, 5 deletions
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 @@ static inline void omap_init_sha1_md5(void) { } /*-------------------------------------------------------------------------*/ -#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 struct platform_device dummy_pdev = { **/ 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 @@ static void __init omap_hsmmc_reset(void) 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 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, 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 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, 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]); |
