aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/include/asm/dma-sh.h13
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7722.c70
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7724.c159
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7780.c113
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7785.c113
5 files changed, 442 insertions, 26 deletions
diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h
index e934a2e6665..2e3631d6e27 100644
--- a/arch/sh/include/asm/dma-sh.h
+++ b/arch/sh/include/asm/dma-sh.h
@@ -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;
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 538280a3dc6..aec182bed8a 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -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,
},
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index 31e3451f7e3..aca1fb2c571 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -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,
},
};
@@ -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,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index f8f21618d78..338dfc2c2bb 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -247,15 +247,115 @@ static struct platform_device rtc_device = {
.resource = rtc_resources,
};
-static struct sh_dmae_pdata dma_platform_data = {
- .mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1),
+/* DMA */
+static struct sh_dmae_channel sh7780_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 sh7780_dmae1_channels[] = {
+ {
+ .offset = 0,
+ }, {
+ .offset = 0x10,
+ }, {
+ .offset = 0x20,
+ }, {
+ .offset = 0x30,
+ }, {
+ .offset = 0x50,
+ }, {
+ .offset = 0x60,
+ }
+};
+
+static struct sh_dmae_pdata dma0_platform_data = {
+ .channel = sh7780_dmae0_channels,
+ .channel_num = ARRAY_SIZE(sh7780_dmae0_channels),
+};
+
+static struct sh_dmae_pdata dma1_platform_data = {
+ .channel = sh7780_dmae1_channels,
+ .channel_num = ARRAY_SIZE(sh7780_dmae1_channels),
+};
+
+static struct resource sh7780_dmae0_resources[] = {
+ [0] = {
+ /* Channel registers and DMAOR */
+ .start = 0xfc808020,
+ .end = 0xfc80808f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ /* DMARSx */
+ .start = 0xfc809000,
+ .end = 0xfc80900b,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ /* Real DMA error IRQ is 38, and channel IRQs are 34-37, 44-45 */
+ .start = 34,
+ .end = 34,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+};
+
+static struct resource sh7780_dmae1_resources[] = {
+ [0] = {
+ /* Channel registers and DMAOR */
+ .start = 0xfc818020,
+ .end = 0xfc81808f,
+ .flags = IORESOURCE_MEM,
+ },
+ /* DMAC1 has no DMARS */
+ {
+ /* Real DMA error IRQ is 38, and channel IRQs are 46-47, 92-95 */
+ .start = 46,
+ .end = 46,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
};
-static struct platform_device dma_device = {
+static struct platform_device dma0_device = {
.name = "sh-dma-engine",
- .id = -1,
+ .id = 0,
+ .resource = sh7780_dmae0_resources,
+ .num_resources = ARRAY_SIZE(sh7780_dmae0_resources),
.dev = {
- .platform_data = &dma_platform_data,
+ .platform_data = &dma0_platform_data,
+ },
+};
+
+static struct platform_device dma1_device = {
+ .name = "sh-dma-engine",
+ .id = 1,
+ .resource = sh7780_dmae1_resources,
+ .num_resources = ARRAY_SIZE(sh7780_dmae1_resources),
+ .dev = {
+ .platform_data = &dma1_platform_data,
},
};
@@ -269,7 +369,8 @@ static struct platform_device *sh7780_devices[] __initdata = {
&tmu4_device,
&tmu5_device,
&rtc_device,
- &dma_device,
+ &dma0_device,
+ &dma1_device,
};
static int __init sh7780_devices_setup(void)
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index 23448d8c671..fbb5d1f51f1 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -295,15 +295,115 @@ static struct platform_device tmu5_device = {
.num_resources = ARRAY_SIZE(tmu5_resources),
};
-static struct sh_dmae_pdata dma_platform_data = {
- .mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1),
+/* DMA */
+static struct sh_dmae_channel sh7785_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 sh7785_dmae1_channels[] = {
+ {
+ .offset = 0,
+ }, {
+ .offset = 0x10,
+ }, {
+ .offset = 0x20,
+ }, {
+ .offset = 0x30,
+ }, {
+ .offset = 0x50,
+ }, {
+ .offset = 0x60,
+ }
+};
+
+static struct sh_dmae_pdata dma0_platform_data = {
+ .channel = sh7785_dmae0_channels,
+ .channel_num = ARRAY_SIZE(sh7785_dmae0_channels),
+};
+
+static struct sh_dmae_pdata dma1_platform_data = {
+ .channel = sh7785_dmae1_channels,
+ .channel_num = ARRAY_SIZE(sh7785_dmae1_channels),
+};
+
+static struct resource sh7785_dmae0_resources[] = {
+ [0] = {
+ /* Channel registers and DMAOR */
+ .start = 0xfc808020,
+ .end = 0xfc80808f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ /* DMARSx */
+ .start = 0xfc809000,
+ .end = 0xfc80900b,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ /* Real DMA error IRQ is 39, and channel IRQs are 33-38 */
+ .start = 33,
+ .end = 33,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+};
+
+static struct resource sh7785_dmae1_resources[] = {
+ [0] = {
+ /* Channel registers and DMAOR */
+ .start = 0xfcc08020,
+ .end = 0xfcc0808f,
+ .flags = IORESOURCE_MEM,
+ },
+ /* DMAC1 has no DMARS */
+ {
+ /* Real DMA error IRQ is 58, and channel IRQs are 52-57 */
+ .start = 52,
+ .end = 52,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
};
-static struct platform_device dma_device = {
+static struct platform_device dma0_device = {
.name = "sh-dma-engine",
- .id = -1,
+ .id = 0,
+ .resource = sh7785_dmae0_resources,
+ .num_resources = ARRAY_SIZE(sh7785_dmae0_resources),
.dev = {
- .platform_data = &dma_platform_data,
+ .platform_data = &dma0_platform_data,
+ },
+};
+
+static struct platform_device dma1_device = {
+ .name = "sh-dma-engine",
+ .id = 1,
+ .resource = sh7785_dmae1_resources,
+ .num_resources = ARRAY_SIZE(sh7785_dmae1_resources),
+ .dev = {
+ .platform_data = &dma1_platform_data,
},
};
@@ -320,7 +420,8 @@ static struct platform_device *sh7785_devices[] __initdata = {
&tmu3_device,
&tmu4_device,
&tmu5_device,
- &dma_device,
+ &dma0_device,
+ &dma1_device,
};
static int __init sh7785_devices_setup(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 00:37:16 +0000