diff options
author | Heiko Stuebner <heiko@sntech.de> | 2013-10-08 01:42:10 +0400 |
---|---|---|
committer | Kukjin Kim <kgene.kim@samsung.com> | 2013-10-08 01:42:10 +0400 |
commit | f2dda07db68d2bbe91bc9985280f0586c9d25523 (patch) | |
tree | 725be0230e1e624ca8dc057cca78f9e2d5b0818d /arch/arm/mach-s3c24xx/common.c | |
parent | ddeccb8d6b5bbe2c1e3a29f8c74b52f170c2207d (diff) | |
download | linux-f2dda07db68d2bbe91bc9985280f0586c9d25523.tar.xz |
ARM: S3C24XX: add platform-devices for new dma driver for s3c2412 and s3c2443
This includes defining the mapping for the request sources.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s3c24xx/common.c')
-rw-r--r-- | arch/arm/mach-s3c24xx/common.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c index 457261c98433..bdcb29f4ea31 100644 --- a/arch/arm/mach-s3c24xx/common.c +++ b/arch/arm/mach-s3c24xx/common.c @@ -31,6 +31,7 @@ #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/platform_data/dma-s3c24xx.h> #include <mach/hardware.h> #include <mach/regs-clock.h> @@ -44,6 +45,7 @@ #include <mach/regs-gpio.h> #include <plat/regs-serial.h> +#include <mach/dma.h> #include <plat/cpu.h> #include <plat/devs.h> @@ -329,3 +331,107 @@ void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk, clk_p.rate = pclk; clk_f.rate = fclk; } + +#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ + defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) +static struct resource s3c2410_dma_resource[] = { + [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA), + [1] = DEFINE_RES_IRQ(IRQ_DMA0), + [2] = DEFINE_RES_IRQ(IRQ_DMA1), + [3] = DEFINE_RES_IRQ(IRQ_DMA2), + [4] = DEFINE_RES_IRQ(IRQ_DMA3), +}; +#endif + +#ifdef CONFIG_CPU_S3C2412 +static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = { + [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 }, + [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 }, + [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 }, + [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 }, + [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 }, + [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 }, + [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 }, + [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 }, + [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 }, + [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 }, + [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 }, + [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 }, + [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 }, + [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 }, + [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 }, + [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 }, + [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 }, + [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 }, + [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 }, + [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 }, +}; + +static struct s3c24xx_dma_platdata s3c2412_dma_platdata = { + .num_phy_channels = 4, + .channels = s3c2412_dma_channels, + .num_channels = DMACH_MAX, +}; + +struct platform_device s3c2412_device_dma = { + .name = "s3c2412-dma", + .id = 0, + .num_resources = ARRAY_SIZE(s3c2410_dma_resource), + .resource = s3c2410_dma_resource, + .dev = { + .platform_data = &s3c2412_dma_platdata, + }, +}; +#endif + +#if defined(CONFIG_CPUS_3C2443) || defined(CONFIG_CPU_S3C2416) +static struct resource s3c2443_dma_resource[] = { + [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA), + [1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0), + [2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1), + [3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2), + [4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3), + [5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4), + [6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5), +}; + +static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = { + [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 }, + [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 }, + [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 }, + [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 }, + [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 }, + [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 }, + [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 }, + [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 }, + [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 }, + [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 }, + [DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 }, + [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 }, + [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 }, + [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 }, + [DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 }, + [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 }, + [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 }, + [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 }, + [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 }, + [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 }, + [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 }, +}; + +static struct s3c24xx_dma_platdata s3c2443_dma_platdata = { + .num_phy_channels = 6, + .channels = s3c2443_dma_channels, + .num_channels = DMACH_MAX, +}; + +struct platform_device s3c2443_device_dma = { + .name = "s3c2443-dma", + .id = 0, + .num_resources = ARRAY_SIZE(s3c2443_dma_resource), + .resource = s3c2443_dma_resource, + .dev = { + .platform_data = &s3c2443_dma_platdata, + }, +}; +#endif |