diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/common.c')
| -rw-r--r-- | arch/arm/mach-s3c24xx/common.c | 55 |
1 files changed, 50 insertions, 5 deletions
diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c index bf50328107bd..f6c3f151d0d4 100644 --- a/arch/arm/mach-s3c24xx/common.c +++ b/arch/arm/mach-s3c24xx/common.c @@ -21,7 +21,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - +#include <linux/dma-mapping.h> #include <linux/init.h> #include <linux/module.h> #include <linux/interrupt.h> @@ -33,6 +33,7 @@ #include <linux/delay.h> #include <linux/io.h> #include <linux/platform_data/dma-s3c24xx.h> +#include <linux/dmaengine.h> #include <mach/hardware.h> #include <mach/regs-clock.h> @@ -304,6 +305,8 @@ struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = { }, }; +#define s3c24xx_device_dma_mask (*((u64[]) { DMA_BIT_MASK(32) })) + #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) static struct resource s3c2410_dma_resource[] = { @@ -354,7 +357,9 @@ struct platform_device s3c2410_device_dma = { .num_resources = ARRAY_SIZE(s3c2410_dma_resource), .resource = s3c2410_dma_resource, .dev = { - .platform_data = &s3c2410_dma_platdata, + .dma_mask = &s3c24xx_device_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &s3c2410_dma_platdata, }, }; #endif @@ -395,7 +400,9 @@ struct platform_device s3c2412_device_dma = { .num_resources = ARRAY_SIZE(s3c2410_dma_resource), .resource = s3c2410_dma_resource, .dev = { - .platform_data = &s3c2412_dma_platdata, + .dma_mask = &s3c24xx_device_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &s3c2412_dma_platdata, }, }; #endif @@ -439,10 +446,44 @@ static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = { [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), }, }; +static const struct dma_slave_map s3c2440_dma_slave_map[] = { + /* TODO: DMACH_XD0 */ + /* TODO: DMACH_XD1 */ + { "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI }, + { "s3c2410-spi.0", "rx", (void *)DMACH_SPI0 }, + { "s3c2410-spi.0", "tx", (void *)DMACH_SPI0 }, + { "s3c2410-spi.1", "rx", (void *)DMACH_SPI1 }, + { "s3c2410-spi.1", "tx", (void *)DMACH_SPI1 }, + { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 }, + { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 }, + { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 }, + { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 }, + { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 }, + { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 }, + { "s3c2440-uart.3", "rx", (void *)DMACH_UART3 }, + { "s3c2440-uart.3", "tx", (void *)DMACH_UART3 }, + /* TODO: DMACH_TIMER */ + { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN }, + { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT }, + { "samsung-ac97", "rx", (void *)DMACH_PCM_IN }, + { "samsung-ac97", "tx", (void *)DMACH_PCM_OUT }, + { "samsung-ac97", "rx", (void *)DMACH_MIC_IN }, + { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 }, + { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 }, + { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 }, + { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 }, + { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 }, + { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 }, + { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 }, + { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 } +}; + static struct s3c24xx_dma_platdata s3c2440_dma_platdata = { .num_phy_channels = 4, .channels = s3c2440_dma_channels, .num_channels = DMACH_MAX, + .slave_map = s3c2440_dma_slave_map, + .slavecnt = ARRAY_SIZE(s3c2440_dma_slave_map), }; struct platform_device s3c2440_device_dma = { @@ -451,7 +492,9 @@ struct platform_device s3c2440_device_dma = { .num_resources = ARRAY_SIZE(s3c2410_dma_resource), .resource = s3c2410_dma_resource, .dev = { - .platform_data = &s3c2440_dma_platdata, + .dma_mask = &s3c24xx_device_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &s3c2440_dma_platdata, }, }; #endif @@ -503,7 +546,9 @@ struct platform_device s3c2443_device_dma = { .num_resources = ARRAY_SIZE(s3c2443_dma_resource), .resource = s3c2443_dma_resource, .dev = { - .platform_data = &s3c2443_dma_platdata, + .dma_mask = &s3c24xx_device_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &s3c2443_dma_platdata, }, }; #endif |