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Merge branch 'samsung_dma' into next
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Vinod Koul authored and Vinod Koul committed Sep 21, 2011
2 parents f8de8f4 + 51ddf31 commit 0745c9a
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Showing 40 changed files with 1,599 additions and 1,968 deletions.
2 changes: 1 addition & 1 deletion arch/arm/mach-exynos4/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ if ARCH_EXYNOS4

config CPU_EXYNOS4210
bool
select S3C_PL330_DMA
select SAMSUNG_DMADEV
help
Enable EXYNOS4210 CPU support

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11 changes: 9 additions & 2 deletions arch/arm/mach-exynos4/clock.c
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,11 @@ static struct clk clk_sclk_usbphy1 = {
.name = "sclk_usbphy1",
};

static struct clk dummy_apb_pclk = {
.name = "apb_pclk",
.id = -1,
};

static int exynos4_clksrc_mask_top_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
Expand Down Expand Up @@ -454,12 +459,12 @@ static struct clk init_clocks_off[] = {
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 10),
}, {
.name = "pdma",
.name = "dma",
.devname = "s3c-pl330.0",
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "pdma",
.name = "dma",
.devname = "s3c-pl330.1",
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 1),
Expand Down Expand Up @@ -1210,5 +1215,7 @@ void __init exynos4_register_clocks(void)
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));

s3c24xx_register_clock(&dummy_apb_pclk);

s3c_pwmclk_init();
}
299 changes: 188 additions & 111 deletions arch/arm/mach-exynos4/dma.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,151 +21,228 @@
* 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 <plat/devs.h>
#include <plat/irqs.h>

#include <mach/map.h>
#include <mach/irqs.h>

#include <plat/s3c-pl330-pdata.h>
#include <mach/dma.h>

static u64 dma_dmamask = DMA_BIT_MASK(32);

static struct resource exynos4_pdma0_resource[] = {
[0] = {
.start = EXYNOS4_PA_PDMA0,
.end = EXYNOS4_PA_PDMA0 + SZ_4K,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_PDMA0,
.end = IRQ_PDMA0,
.flags = IORESOURCE_IRQ,
struct dma_pl330_peri pdma0_peri[28] = {
{
.peri_id = (u8)DMACH_PCM0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_PCM0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_PCM2_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_PCM2_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_MSM_REQ0,
}, {
.peri_id = (u8)DMACH_MSM_REQ2,
}, {
.peri_id = (u8)DMACH_SPI0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SPI0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SPI2_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SPI2_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S0S_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_I2S0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_UART0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_UART0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_UART2_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_UART2_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_UART4_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_UART4_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SLIMBUS0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SLIMBUS0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SLIMBUS2_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SLIMBUS2_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SLIMBUS4_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SLIMBUS4_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_AC97_MICIN,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_AC97_PCMIN,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_AC97_PCMOUT,
.rqtype = MEMTODEV,
},
};

static struct s3c_pl330_platdata exynos4_pdma0_pdata = {
.peri = {
[0] = DMACH_PCM0_RX,
[1] = DMACH_PCM0_TX,
[2] = DMACH_PCM2_RX,
[3] = DMACH_PCM2_TX,
[4] = DMACH_MSM_REQ0,
[5] = DMACH_MSM_REQ2,
[6] = DMACH_SPI0_RX,
[7] = DMACH_SPI0_TX,
[8] = DMACH_SPI2_RX,
[9] = DMACH_SPI2_TX,
[10] = DMACH_I2S0S_TX,
[11] = DMACH_I2S0_RX,
[12] = DMACH_I2S0_TX,
[13] = DMACH_I2S2_RX,
[14] = DMACH_I2S2_TX,
[15] = DMACH_UART0_RX,
[16] = DMACH_UART0_TX,
[17] = DMACH_UART2_RX,
[18] = DMACH_UART2_TX,
[19] = DMACH_UART4_RX,
[20] = DMACH_UART4_TX,
[21] = DMACH_SLIMBUS0_RX,
[22] = DMACH_SLIMBUS0_TX,
[23] = DMACH_SLIMBUS2_RX,
[24] = DMACH_SLIMBUS2_TX,
[25] = DMACH_SLIMBUS4_RX,
[26] = DMACH_SLIMBUS4_TX,
[27] = DMACH_AC97_MICIN,
[28] = DMACH_AC97_PCMIN,
[29] = DMACH_AC97_PCMOUT,
[30] = DMACH_MAX,
[31] = DMACH_MAX,
},
struct dma_pl330_platdata exynos4_pdma0_pdata = {
.nr_valid_peri = ARRAY_SIZE(pdma0_peri),
.peri = pdma0_peri,
};

static struct platform_device exynos4_device_pdma0 = {
.name = "s3c-pl330",
.id = 0,
.num_resources = ARRAY_SIZE(exynos4_pdma0_resource),
.resource = exynos4_pdma0_resource,
.dev = {
struct amba_device exynos4_device_pdma0 = {
.dev = {
.init_name = "dma-pl330.0",
.dma_mask = &dma_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &exynos4_pdma0_pdata,
},
.res = {
.start = EXYNOS4_PA_PDMA0,
.end = EXYNOS4_PA_PDMA0 + SZ_4K,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_PDMA0, NO_IRQ},
.periphid = 0x00041330,
};

static struct resource exynos4_pdma1_resource[] = {
[0] = {
.start = EXYNOS4_PA_PDMA1,
.end = EXYNOS4_PA_PDMA1 + SZ_4K,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_PDMA1,
.end = IRQ_PDMA1,
.flags = IORESOURCE_IRQ,
struct dma_pl330_peri pdma1_peri[25] = {
{
.peri_id = (u8)DMACH_PCM0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_PCM0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_PCM1_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_PCM1_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_MSM_REQ1,
}, {
.peri_id = (u8)DMACH_MSM_REQ3,
}, {
.peri_id = (u8)DMACH_SPI1_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SPI1_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S0S_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_I2S0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S1_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_I2S1_TX,
.rqtype = MEMTODEV,
}, {
.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_UART3_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_UART3_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SLIMBUS1_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SLIMBUS1_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SLIMBUS3_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SLIMBUS3_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SLIMBUS5_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SLIMBUS5_TX,
.rqtype = MEMTODEV,
},
};

static struct s3c_pl330_platdata exynos4_pdma1_pdata = {
.peri = {
[0] = DMACH_PCM0_RX,
[1] = DMACH_PCM0_TX,
[2] = DMACH_PCM1_RX,
[3] = DMACH_PCM1_TX,
[4] = DMACH_MSM_REQ1,
[5] = DMACH_MSM_REQ3,
[6] = DMACH_SPI1_RX,
[7] = DMACH_SPI1_TX,
[8] = DMACH_I2S0S_TX,
[9] = DMACH_I2S0_RX,
[10] = DMACH_I2S0_TX,
[11] = DMACH_I2S1_RX,
[12] = DMACH_I2S1_TX,
[13] = DMACH_UART0_RX,
[14] = DMACH_UART0_TX,
[15] = DMACH_UART1_RX,
[16] = DMACH_UART1_TX,
[17] = DMACH_UART3_RX,
[18] = DMACH_UART3_TX,
[19] = DMACH_SLIMBUS1_RX,
[20] = DMACH_SLIMBUS1_TX,
[21] = DMACH_SLIMBUS3_RX,
[22] = DMACH_SLIMBUS3_TX,
[23] = DMACH_SLIMBUS5_RX,
[24] = DMACH_SLIMBUS5_TX,
[25] = DMACH_SLIMBUS0AUX_RX,
[26] = DMACH_SLIMBUS0AUX_TX,
[27] = DMACH_SPDIF,
[28] = DMACH_MAX,
[29] = DMACH_MAX,
[30] = DMACH_MAX,
[31] = DMACH_MAX,
},
struct dma_pl330_platdata exynos4_pdma1_pdata = {
.nr_valid_peri = ARRAY_SIZE(pdma1_peri),
.peri = pdma1_peri,
};

static struct platform_device exynos4_device_pdma1 = {
.name = "s3c-pl330",
.id = 1,
.num_resources = ARRAY_SIZE(exynos4_pdma1_resource),
.resource = exynos4_pdma1_resource,
.dev = {
struct amba_device exynos4_device_pdma1 = {
.dev = {
.init_name = "dma-pl330.1",
.dma_mask = &dma_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &exynos4_pdma1_pdata,
},
};

static struct platform_device *exynos4_dmacs[] __initdata = {
&exynos4_device_pdma0,
&exynos4_device_pdma1,
.res = {
.start = EXYNOS4_PA_PDMA1,
.end = EXYNOS4_PA_PDMA1 + SZ_4K,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_PDMA1, NO_IRQ},
.periphid = 0x00041330,
};

static int __init exynos4_dma_init(void)
{
platform_add_devices(exynos4_dmacs, ARRAY_SIZE(exynos4_dmacs));
amba_device_register(&exynos4_device_pdma0, &iomem_resource);

return 0;
}
Expand Down
4 changes: 2 additions & 2 deletions arch/arm/mach-exynos4/include/mach/dma.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@
#ifndef __MACH_DMA_H
#define __MACH_DMA_H

/* This platform uses the common S3C DMA API driver for PL330 */
#include <plat/s3c-dma-pl330.h>
/* This platform uses the common DMA API driver for PL330 */
#include <plat/dma-pl330.h>

#endif /* __MACH_DMA_H */
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