diff options
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/include/asm/dma-sh.h | 13 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 70 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7724.c | 159 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7780.c | 113 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7785.c | 113 |
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) |