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yaml
---
r: 186474
b: refs/heads/master
c: 027811b
h: refs/heads/master
v: v3
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Guennadi Liakhovetski authored and Paul Mundt committed Mar 2, 2010
1 parent be7bf4a commit d3d3b84
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Showing 8 changed files with 637 additions and 157 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 47a4dc26eeb89a3746f9b1e2092602b40469640a
refs/heads/master: 027811b9b81a6b3ae5aa20c3302897bee9dcf09e
13 changes: 10 additions & 3 deletions trunk/arch/sh/include/asm/dma-sh.h
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Expand Up @@ -154,10 +154,17 @@ struct sh_dmae_slave_config {
char mid_rid;
};

struct sh_dmae_channel {
unsigned int offset;
unsigned int dmars;
unsigned int dmars_bit;
};

struct sh_dmae_pdata {
unsigned int mode;
struct sh_dmae_slave_config *config;
int config_num;
struct sh_dmae_slave_config *slave;
int slave_num;
struct sh_dmae_channel *channel;
int channel_num;
};

struct device;
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70 changes: 67 additions & 3 deletions trunk/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
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Expand Up @@ -75,15 +75,79 @@ static struct sh_dmae_slave_config sh7722_dmae_slaves[] = {
},
};

static struct sh_dmae_channel sh7722_dmae_channels[] = {
{
.offset = 0,
.dmars = 0,
.dmars_bit = 0,
}, {
.offset = 0x10,
.dmars = 0,
.dmars_bit = 8,
}, {
.offset = 0x20,
.dmars = 4,
.dmars_bit = 0,
}, {
.offset = 0x30,
.dmars = 4,
.dmars_bit = 8,
}, {
.offset = 0x50,
.dmars = 8,
.dmars_bit = 0,
}, {
.offset = 0x60,
.dmars = 8,
.dmars_bit = 8,
}
};

static struct sh_dmae_pdata dma_platform_data = {
.mode = 0,
.config = sh7722_dmae_slaves,
.config_num = ARRAY_SIZE(sh7722_dmae_slaves),
.slave = sh7722_dmae_slaves,
.slave_num = ARRAY_SIZE(sh7722_dmae_slaves),
.channel = sh7722_dmae_channels,
.channel_num = ARRAY_SIZE(sh7722_dmae_channels),
};

static struct resource sh7722_dmae_resources[] = {
[0] = {
/* Channel registers and DMAOR */
.start = 0xfe008020,
.end = 0xfe00808f,
.flags = IORESOURCE_MEM,
},
[1] = {
/* DMARSx */
.start = 0xfe009000,
.end = 0xfe00900b,
.flags = IORESOURCE_MEM,
},
{
/* DMA error IRQ */
.start = 78,
.end = 78,
.flags = IORESOURCE_IRQ,
},
{
/* IRQ for channels 0-3 */
.start = 48,
.end = 51,
.flags = IORESOURCE_IRQ,
},
{
/* IRQ for channels 4-5 */
.start = 76,
.end = 77,
.flags = IORESOURCE_IRQ,
},
};

struct platform_device dma_device = {
.name = "sh-dma-engine",
.id = -1,
.resource = sh7722_dmae_resources,
.num_resources = ARRAY_SIZE(sh7722_dmae_resources),
.dev = {
.platform_data = &dma_platform_data,
},
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159 changes: 151 additions & 8 deletions trunk/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
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Original file line number Diff line number Diff line change
Expand Up @@ -28,15 +28,157 @@
#include <cpu/sh7724.h>

/* DMA */
static struct sh_dmae_pdata dma_platform_data = {
.mode = SHDMA_DMAOR1,
static struct sh_dmae_channel sh7724_dmae0_channels[] = {
{
.offset = 0,
.dmars = 0,
.dmars_bit = 0,
}, {
.offset = 0x10,
.dmars = 0,
.dmars_bit = 8,
}, {
.offset = 0x20,
.dmars = 4,
.dmars_bit = 0,
}, {
.offset = 0x30,
.dmars = 4,
.dmars_bit = 8,
}, {
.offset = 0x50,
.dmars = 8,
.dmars_bit = 0,
}, {
.offset = 0x60,
.dmars = 8,
.dmars_bit = 8,
}
};

static struct sh_dmae_channel sh7724_dmae1_channels[] = {
{
.offset = 0,
.dmars = 0,
.dmars_bit = 0,
}, {
.offset = 0x10,
.dmars = 0,
.dmars_bit = 8,
}, {
.offset = 0x20,
.dmars = 4,
.dmars_bit = 0,
}, {
.offset = 0x30,
.dmars = 4,
.dmars_bit = 8,
}, {
.offset = 0x50,
.dmars = 8,
.dmars_bit = 0,
}, {
.offset = 0x60,
.dmars = 8,
.dmars_bit = 8,
}
};

static struct sh_dmae_pdata dma0_platform_data = {
.channel = sh7724_dmae0_channels,
.channel_num = ARRAY_SIZE(sh7724_dmae0_channels),
};

static struct sh_dmae_pdata dma1_platform_data = {
.channel = sh7724_dmae1_channels,
.channel_num = ARRAY_SIZE(sh7724_dmae1_channels),
};

/* Resource order important! */
static struct resource sh7724_dmae0_resources[] = {
{
/* Channel registers and DMAOR */
.start = 0xfe008020,
.end = 0xfe00808f,
.flags = IORESOURCE_MEM,
},
{
/* DMARSx */
.start = 0xfe009000,
.end = 0xfe00900b,
.flags = IORESOURCE_MEM,
},
{
/* DMA error IRQ */
.start = 78,
.end = 78,
.flags = IORESOURCE_IRQ,
},
{
/* IRQ for channels 0-3 */
.start = 48,
.end = 51,
.flags = IORESOURCE_IRQ,
},
{
/* IRQ for channels 4-5 */
.start = 76,
.end = 77,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device dma_device = {
.name = "sh-dma-engine",
.id = -1,
.dev = {
.platform_data = &dma_platform_data,
/* Resource order important! */
static struct resource sh7724_dmae1_resources[] = {
{
/* Channel registers and DMAOR */
.start = 0xfdc08020,
.end = 0xfdc0808f,
.flags = IORESOURCE_MEM,
},
{
/* DMARSx */
.start = 0xfdc09000,
.end = 0xfdc0900b,
.flags = IORESOURCE_MEM,
},
{
/* DMA error IRQ */
.start = 74,
.end = 74,
.flags = IORESOURCE_IRQ,
},
{
/* IRQ for channels 0-3 */
.start = 40,
.end = 43,
.flags = IORESOURCE_IRQ,
},
{
/* IRQ for channels 4-5 */
.start = 72,
.end = 73,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device dma0_device = {
.name = "sh-dma-engine",
.id = 0,
.resource = sh7724_dmae0_resources,
.num_resources = ARRAY_SIZE(sh7724_dmae0_resources),
.dev = {
.platform_data = &dma0_platform_data,
},
};

static struct platform_device dma1_device = {
.name = "sh-dma-engine",
.id = 1,
.resource = sh7724_dmae1_resources,
.num_resources = ARRAY_SIZE(sh7724_dmae1_resources),
.dev = {
.platform_data = &dma1_platform_data,
},
};

Expand Down Expand Up @@ -663,7 +805,8 @@ static struct platform_device *sh7724_devices[] __initdata = {
&tmu3_device,
&tmu4_device,
&tmu5_device,
&dma_device,
&dma0_device,
&dma1_device,
&rtc_device,
&iic0_device,
&iic1_device,
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