diff options
Diffstat (limited to 'arch/arm/mach-s5p64x0/dma.c')
-rw-r--r-- | arch/arm/mach-s5p64x0/dma.c | 276 |
1 files changed, 93 insertions, 183 deletions
diff --git a/arch/arm/mach-s5p64x0/dma.c b/arch/arm/mach-s5p64x0/dma.c index 442dd4a..d7ad944 100644 --- a/arch/arm/mach-s5p64x0/dma.c +++ b/arch/arm/mach-s5p64x0/dma.c @@ -21,218 +21,128 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <linux/amba/bus.h> -#include <linux/amba/pl330.h> - -#include <asm/irq.h> #include <mach/map.h> #include <mach/irqs.h> #include <mach/regs-clock.h> -#include <mach/dma.h> -#include <plat/cpu.h> #include <plat/devs.h> -#include <plat/irqs.h> +#include <plat/s3c-pl330-pdata.h> static u64 dma_dmamask = DMA_BIT_MASK(32); -struct dma_pl330_peri s5p6440_pdma_peri[22] = { - { - .peri_id = (u8)DMACH_UART0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART2_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART2_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART3_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART3_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = DMACH_MAX, - }, { - .peri_id = DMACH_MAX, - }, { - .peri_id = (u8)DMACH_PCM0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_PCM0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_I2S0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SPI0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SPI0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_MAX, - }, { - .peri_id = (u8)DMACH_MAX, - }, { - .peri_id = (u8)DMACH_MAX, - }, { - .peri_id = (u8)DMACH_MAX, - }, { - .peri_id = (u8)DMACH_SPI1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SPI1_RX, - .rqtype = DEVTOMEM, +static struct resource s5p64x0_pdma_resource[] = { + [0] = { + .start = S5P64X0_PA_PDMA, + .end = S5P64X0_PA_PDMA + SZ_4K, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_DMA0, + .end = IRQ_DMA0, + .flags = IORESOURCE_IRQ, }, }; -struct dma_pl330_platdata s5p6440_pdma_pdata = { - .nr_valid_peri = ARRAY_SIZE(s5p6440_pdma_peri), - .peri = s5p6440_pdma_peri, -}; - -struct dma_pl330_peri s5p6450_pdma_peri[32] = { - { - .peri_id = (u8)DMACH_UART0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART2_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART2_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART3_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART3_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART4_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART4_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_PCM0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_PCM0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_I2S0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SPI0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SPI0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_PCM1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_PCM1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_PCM2_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_PCM2_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SPI1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SPI1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_USI_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_USI_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_MAX, - }, { - .peri_id = (u8)DMACH_I2S1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_I2S2_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S2_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_PWM, - }, { - .peri_id = (u8)DMACH_UART5_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART5_TX, - .rqtype = MEMTODEV, +static struct s3c_pl330_platdata s5p6440_pdma_pdata = { + .peri = { + [0] = DMACH_UART0_RX, + [1] = DMACH_UART0_TX, + [2] = DMACH_UART1_RX, + [3] = DMACH_UART1_TX, + [4] = DMACH_UART2_RX, + [5] = DMACH_UART2_TX, + [6] = DMACH_UART3_RX, + [7] = DMACH_UART3_TX, + [8] = DMACH_MAX, + [9] = DMACH_MAX, + [10] = DMACH_PCM0_TX, + [11] = DMACH_PCM0_RX, + [12] = DMACH_I2S0_TX, + [13] = DMACH_I2S0_RX, + [14] = DMACH_SPI0_TX, + [15] = DMACH_SPI0_RX, + [16] = DMACH_MAX, + [17] = DMACH_MAX, + [18] = DMACH_MAX, + [19] = DMACH_MAX, + [20] = DMACH_SPI1_TX, + [21] = DMACH_SPI1_RX, + [22] = DMACH_MAX, + [23] = DMACH_MAX, + [24] = DMACH_MAX, + [25] = DMACH_MAX, + [26] = DMACH_MAX, + [27] = DMACH_MAX, + [28] = DMACH_MAX, + [29] = DMACH_PWM, + [30] = DMACH_MAX, + [31] = DMACH_MAX, }, }; -struct dma_pl330_platdata s5p6450_pdma_pdata = { - .nr_valid_peri = ARRAY_SIZE(s5p6450_pdma_peri), - .peri = s5p6450_pdma_peri, +static struct s3c_pl330_platdata s5p6450_pdma_pdata = { + .peri = { + [0] = DMACH_UART0_RX, + [1] = DMACH_UART0_TX, + [2] = DMACH_UART1_RX, + [3] = DMACH_UART1_TX, + [4] = DMACH_UART2_RX, + [5] = DMACH_UART2_TX, + [6] = DMACH_UART3_RX, + [7] = DMACH_UART3_TX, + [8] = DMACH_UART4_RX, + [9] = DMACH_UART4_TX, + [10] = DMACH_PCM0_TX, + [11] = DMACH_PCM0_RX, + [12] = DMACH_I2S0_TX, + [13] = DMACH_I2S0_RX, + [14] = DMACH_SPI0_TX, + [15] = DMACH_SPI0_RX, + [16] = DMACH_PCM1_TX, + [17] = DMACH_PCM1_RX, + [18] = DMACH_PCM2_TX, + [19] = DMACH_PCM2_RX, + [20] = DMACH_SPI1_TX, + [21] = DMACH_SPI1_RX, + [22] = DMACH_USI_TX, + [23] = DMACH_USI_RX, + [24] = DMACH_MAX, + [25] = DMACH_I2S1_TX, + [26] = DMACH_I2S1_RX, + [27] = DMACH_I2S2_TX, + [28] = DMACH_I2S2_RX, + [29] = DMACH_PWM, + [30] = DMACH_UART5_RX, + [31] = DMACH_UART5_TX, + }, }; -struct amba_device s5p64x0_device_pdma = { - .dev = { - .init_name = "dma-pl330", +static struct platform_device s5p64x0_device_pdma = { + .name = "s3c-pl330", + .id = -1, + .num_resources = ARRAY_SIZE(s5p64x0_pdma_resource), + .resource = s5p64x0_pdma_resource, + .dev = { .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, - .res = { - .start = S5P64X0_PA_PDMA, - .end = S5P64X0_PA_PDMA + SZ_4K, - .flags = IORESOURCE_MEM, - }, - .irq = {IRQ_DMA0, NO_IRQ}, - .periphid = 0x00041330, }; static int __init s5p64x0_dma_init(void) { - if (soc_is_s5p6450()) + unsigned int id; + + id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000; + + if (id == 0x50000) s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata; else s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata; - amba_device_register(&s5p64x0_device_pdma, &iomem_resource); + platform_device_register(&s5p64x0_device_pdma); return 0; } |