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rk30:DMA:add driver for dma pl330

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This commit is contained in:
hhb
2012-02-10 15:09:52 +08:00
parent e36ecd020a
commit f3a89a0461
3 changed files with 146 additions and 0 deletions
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7
arch/arm/common/pl330.c
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@@ -378,10 +378,17 @@ static inline u32 get_id(struct pl330_info *pi, u32 off)
void __iomem *regs = pi->base;
u32 id = 0;
#ifdef CONFIG_ARCH_RK30
id |= ((readl(regs + off + 0x0) & 0xff) << 0);
id |= ((readl(regs + off + 0x4) & 0xff)<< 8);
id |= ((readl(regs + off + 0x8) & 0xff) << 16);
id |= ((readl(regs + off + 0xc) & 0xff)<< 24);
#else
id |= (readb(regs + off + 0x0) << 0);
id |= (readb(regs + off + 0x4) << 8);
id |= (readb(regs + off + 0x8) << 16);
id |= (readb(regs + off + 0xc) << 24);
#endif
return id;
}

138
arch/arm/mach-rk30/devices.c
View File

@@ -21,6 +21,143 @@
#include <asm/pmu.h>
#include <mach/irqs.h>
#include <mach/board.h>
#include <mach/dma-pl330.h>
static u64 dma_dmamask = DMA_BIT_MASK(32);
static struct resource resource_dmac1[] = {
[0] = {
.start = RK30_DMACS1_PHYS,
.end = RK30_DMACS1_PHYS + RK30_DMACS1_SIZE -1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DMAC1_0,
.end = IRQ_DMAC1_1,
.flags = IORESOURCE_IRQ,
},
};
static struct rk29_pl330_platdata dmac1_pdata = {
.peri = {
[0] = DMACH_UART0_TX,
[1] = DMACH_UART0_RX,
[2] = DMACH_UART1_TX,
[3] = DMACH_UART1_RX,
[4] = DMACH_I2S0_8CH_TX,
[5] = DMACH_I2S0_8CH_RX,
[6] = DMACH_I2S1_2CH_TX,
[7] = DMACH_I2S1_2CH_RX,
[8] = DMACH_SPDIF_TX,
[9] = DMACH_I2S2_2CH_TX,
[10] = DMACH_I2S2_2CH_RX,
[11] = DMACH_MAX,
[12] = DMACH_MAX,
[13] = DMACH_MAX,
[14] = DMACH_MAX,
[15] = DMACH_MAX,
[16] = DMACH_MAX,
[17] = DMACH_MAX,
[18] = DMACH_MAX,
[19] = DMACH_MAX,
[20] = DMACH_MAX,
[21] = DMACH_MAX,
[22] = DMACH_MAX,
[23] = DMACH_MAX,
[24] = DMACH_MAX,
[25] = DMACH_MAX,
[26] = DMACH_MAX,
[27] = DMACH_MAX,
[28] = DMACH_MAX,
[29] = DMACH_MAX,
[30] = DMACH_MAX,
[31] = DMACH_MAX,
},
};
static struct platform_device device_dmac1 = {
.name = "rk29-pl330",
.id = 1,
.num_resources = ARRAY_SIZE(resource_dmac1),
.resource = resource_dmac1,
.dev = {
.dma_mask = &dma_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &dmac1_pdata,
},
};
static struct resource resource_dmac2[] = {
[0] = {
.start = RK30_DMAC2_PHYS,
.end = RK30_DMAC2_PHYS + RK30_DMAC2_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DMAC2_0,
.end = IRQ_DMAC2_1,
.flags = IORESOURCE_IRQ,
},
};
static struct rk29_pl330_platdata dmac2_pdata = {
.peri = {
[0] = DMACH_HSADC,
[1] = DMACH_SDMMC,
[2] = DMACH_MAX,
[3] = DMACH_SDIO,
[4] = DMACH_EMMC,
[5] = DMACH_PID_FILTER,
[6] = DMACH_UART2_TX,
[7] = DMACH_UART2_RX,
[8] = DMACH_UART3_TX,
[9] = DMACH_UART3_RX,
[10] = DMACH_SPI0_TX,
[11] = DMACH_SPI0_RX,
[12] = DMACH_SPI1_TX,
[13] = DMACH_SPI1_RX,
[14] = DMACH_DMAC2_MEMTOMEM,
[15] = DMACH_MAX,
[16] = DMACH_MAX,
[17] = DMACH_MAX,
[18] = DMACH_MAX,
[19] = DMACH_MAX,
[20] = DMACH_MAX,
[21] = DMACH_MAX,
[22] = DMACH_MAX,
[23] = DMACH_MAX,
[24] = DMACH_MAX,
[25] = DMACH_MAX,
[26] = DMACH_MAX,
[27] = DMACH_MAX,
[28] = DMACH_MAX,
[29] = DMACH_MAX,
[30] = DMACH_MAX,
[31] = DMACH_MAX,
},
};
static struct platform_device device_dmac2 = {
.name = "rk29-pl330",
.id = 2,
.num_resources = ARRAY_SIZE(resource_dmac2),
.resource = resource_dmac2,
.dev = {
.dma_mask = &dma_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &dmac2_pdata,
},
};
static struct platform_device *rk30_dmacs[] __initdata = {
&device_dmac1,
&device_dmac2,
};
static void __init rk30_init_dma(void)
{
platform_add_devices(rk30_dmacs, ARRAY_SIZE(rk30_dmacs));
}
#ifdef CONFIG_UART0_RK29
static struct resource resources_uart0[] = {
@@ -355,6 +492,7 @@ static struct platform_device device_keys = {
#endif
static int __init rk30_init_devices(void)
{
rk30_init_dma();
rk30_init_uart();
rk30_init_i2c();
#ifdef CONFIG_MTD_NAND_RK29XX

1
arch/arm/plat-rk/Makefile
View File

@@ -1,4 +1,5 @@
obj-$(CONFIG_RK29_LAST_LOG) += last_log.o
obj-$(CONFIG_USB_GADGET) += usb_detect.o
obj-$(CONFIG_RK29_VPU) += vpu_service.o
obj-$(CONFIG_ARCH_RK30) += dma-pl330.o
obj-y += mem_reserve.o