This patch adds McSPI support for OMAP4430 SDP platform. All the base addresses are changed between OMAP1/2/3 and OMAP4.The fields of the resource structures are filled at runtime to have McSPI support on OMAP4.
Signed-off-by: Syed Rafiuddin <[email protected]> --- arch/arm/mach-omap2/devices.c | 25 +++++++++++++++++++++---- drivers/spi/omap2_mcspi.c | 10 ++++++---- 2 files changed, 27 insertions(+), 8 deletions(-) Index: omap4_dev/arch/arm/mach-omap2/devices.c =================================================================== --- omap4_dev.orig/arch/arm/mach-omap2/devices.c 2009-06-24 19:22:04.000000000 +0530 +++ omap4_dev/arch/arm/mach-omap2/devices.c 2009-06-25 10:05:39.000000000 +0530 @@ -257,6 +257,11 @@ #define OMAP2_MCSPI3_BASE 0x480b8000 #define OMAP2_MCSPI4_BASE 0x480ba000 +#define OMAP4_MCSPI1_BASE 0x48098100 +#define OMAP4_MCSPI2_BASE 0x4809a100 +#define OMAP4_MCSPI3_BASE 0x480b8100 +#define OMAP4_MCSPI4_BASE 0x480ba100 + static struct omap2_mcspi_platform_config omap2_mcspi1_config = { .num_cs = 4, }; @@ -301,7 +306,8 @@ }, }; -#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \ + defined(CONFIG_ARCH_OMAP4) static struct omap2_mcspi_platform_config omap2_mcspi3_config = { .num_cs = 2, }; @@ -325,7 +331,7 @@ }; #endif -#ifdef CONFIG_ARCH_OMAP3 +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) static struct omap2_mcspi_platform_config omap2_mcspi4_config = { .num_cs = 1, }; @@ -351,12 +357,23 @@ static void omap_init_mcspi(void) { + if (cpu_is_omap44xx()) { + omap2_mcspi1_resources[0].start = OMAP4_MCSPI1_BASE; + omap2_mcspi1_resources[0].end = OMAP4_MCSPI1_BASE + 0xff; + omap2_mcspi2_resources[0].start = OMAP4_MCSPI2_BASE; + omap2_mcspi2_resources[0].end = OMAP4_MCSPI2_BASE + 0xff; + omap2_mcspi3_resources[0].start = OMAP4_MCSPI3_BASE; + omap2_mcspi3_resources[0].end = OMAP4_MCSPI3_BASE + 0xff; + omap2_mcspi4_resources[0].start = OMAP4_MCSPI4_BASE; + omap2_mcspi4_resources[0].end = OMAP4_MCSPI4_BASE + 0xff; + } platform_device_register(&omap2_mcspi1); platform_device_register(&omap2_mcspi2); -#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \ + defined(CONFIG_ARCH_OMAP4) platform_device_register(&omap2_mcspi3); #endif -#ifdef CONFIG_ARCH_OMAP3 +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) platform_device_register(&omap2_mcspi4); #endif } Index: omap4_dev/drivers/spi/omap2_mcspi.c =================================================================== --- omap4_dev.orig/drivers/spi/omap2_mcspi.c 2009-06-24 19:22:23.000000000 +0530 +++ omap4_dev/drivers/spi/omap2_mcspi.c 2009-06-24 19:22:46.000000000 +0530 @@ -918,7 +918,8 @@ OMAP24XX_DMA_SPI2_TX1, }; -#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) || \ + defined(CONFIG_ARCH_OMAP4) static u8 __initdata spi3_rxdma_id[] = { OMAP24XX_DMA_SPI3_RX0, OMAP24XX_DMA_SPI3_RX1, @@ -930,7 +931,7 @@ }; #endif -#ifdef CONFIG_ARCH_OMAP3 +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) static u8 __initdata spi4_rxdma_id[] = { OMAP34XX_DMA_SPI4_RX0, }; @@ -960,14 +961,15 @@ txdma_id = spi2_txdma_id; num_chipselect = 2; break; -#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \ + defined(CONFIG_ARCH_OMAP4) case 3: rxdma_id = spi3_rxdma_id; txdma_id = spi3_txdma_id; num_chipselect = 2; break; #endif -#ifdef CONFIG_ARCH_OMAP3 +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) case 4: rxdma_id = spi4_rxdma_id; txdma_id = spi4_txdma_id; -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
