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-rw-r--r--arch/sh/include/cpu-sh4/cpu/dma-register.h5
-rw-r--r--arch/sh/include/cpu-sh4/cpu/sh7757.h32
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7757.c518
3 files changed, 554 insertions, 1 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-register.h b/arch/sh/include/cpu-sh4/cpu/dma-register.h
index 9a6125eb0079..18fa80aba15e 100644
--- a/arch/sh/include/cpu-sh4/cpu/dma-register.h
+++ b/arch/sh/include/cpu-sh4/cpu/dma-register.h
@@ -40,6 +40,11 @@
#define CHCR_TS_LOW_SHIFT 3
#define CHCR_TS_HIGH_MASK 0
#define CHCR_TS_HIGH_SHIFT 0
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
+#define CHCR_TS_LOW_MASK 0x00000018
+#define CHCR_TS_LOW_SHIFT 3
+#define CHCR_TS_HIGH_MASK 0x00100000
+#define CHCR_TS_HIGH_SHIFT (20 - 2) /* 2 bits for shifted low TS */
#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
#define CHCR_TS_LOW_MASK 0x00000018
#define CHCR_TS_LOW_SHIFT 3
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7757.h b/arch/sh/include/cpu-sh4/cpu/sh7757.h
index 15f3de11c55a..05b8196c7753 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7757.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7757.h
@@ -251,4 +251,36 @@ enum {
GPIO_FN_ON_DQ3, GPIO_FN_ON_DQ2, GPIO_FN_ON_DQ1, GPIO_FN_ON_DQ0,
};
+enum {
+ SHDMA_SLAVE_SDHI_TX,
+ SHDMA_SLAVE_SDHI_RX,
+ SHDMA_SLAVE_MMCIF_TX,
+ SHDMA_SLAVE_MMCIF_RX,
+ SHDMA_SLAVE_SCIF2_TX,
+ SHDMA_SLAVE_SCIF2_RX,
+ SHDMA_SLAVE_SCIF3_TX,
+ SHDMA_SLAVE_SCIF3_RX,
+ SHDMA_SLAVE_SCIF4_TX,
+ SHDMA_SLAVE_SCIF4_RX,
+ SHDMA_SLAVE_RIIC0_TX,
+ SHDMA_SLAVE_RIIC0_RX,
+ SHDMA_SLAVE_RIIC1_TX,
+ SHDMA_SLAVE_RIIC1_RX,
+ SHDMA_SLAVE_RIIC2_TX,
+ SHDMA_SLAVE_RIIC2_RX,
+ SHDMA_SLAVE_RIIC3_TX,
+ SHDMA_SLAVE_RIIC3_RX,
+ SHDMA_SLAVE_RIIC4_TX,
+ SHDMA_SLAVE_RIIC4_RX,
+ SHDMA_SLAVE_RIIC5_TX,
+ SHDMA_SLAVE_RIIC5_RX,
+ SHDMA_SLAVE_RIIC6_TX,
+ SHDMA_SLAVE_RIIC6_RX,
+ SHDMA_SLAVE_RIIC7_TX,
+ SHDMA_SLAVE_RIIC7_RX,
+ SHDMA_SLAVE_RIIC8_TX,
+ SHDMA_SLAVE_RIIC8_RX,
+ SHDMA_SLAVE_RIIC9_TX,
+ SHDMA_SLAVE_RIIC9_RX,
+};
#endif /* __ASM_SH7757_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index 480f6651164f..423dabf542d3 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -1,7 +1,7 @@
/*
* SH7757 Setup
*
- * Copyright (C) 2009 Renesas Solutions Corp.
+ * Copyright (C) 2009, 2011 Renesas Solutions Corp.
*
* based on setup-sh7785.c : Copyright (C) 2007 Paul Mundt
*
@@ -16,6 +16,10 @@
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/sh_timer.h>
+#include <linux/sh_dma.h>
+
+#include <cpu/dma-register.h>
+#include <cpu/sh7757.h>
static struct plat_sci_port scif2_platform_data = {
.mapbase = 0xfe4b0000, /* SCIF2 */
@@ -136,6 +140,514 @@ static struct resource spi0_resources[] = {
},
};
+/* DMA */
+static const struct sh_dmae_slave_config sh7757_dmae0_slaves[] = {
+ {
+ .slave_id = SHDMA_SLAVE_SDHI_TX,
+ .addr = 0x1fe50030,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_16BIT),
+ .mid_rid = 0xc5,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_SDHI_RX,
+ .addr = 0x1fe50030,
+ .chcr = DM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_16BIT),
+ .mid_rid = 0xc6,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_MMCIF_TX,
+ .addr = 0x1fcb0034,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_32BIT),
+ .mid_rid = 0xd3,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_MMCIF_RX,
+ .addr = 0x1fcb0034,
+ .chcr = DM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_32BIT),
+ .mid_rid = 0xd7,
+ },
+};
+
+static const struct sh_dmae_slave_config sh7757_dmae1_slaves[] = {
+ {
+ .slave_id = SHDMA_SLAVE_SCIF2_TX,
+ .addr = 0x1f4b000c,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x21,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_SCIF2_RX,
+ .addr = 0x1f4b0014,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x22,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_SCIF3_TX,
+ .addr = 0x1f4c000c,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x29,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_SCIF3_RX,
+ .addr = 0x1f4c0014,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x2a,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_SCIF4_TX,
+ .addr = 0x1f4d000c,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x41,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_SCIF4_RX,
+ .addr = 0x1f4d0014,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x42,
+ },
+};
+
+static const struct sh_dmae_slave_config sh7757_dmae2_slaves[] = {
+ {
+ .slave_id = SHDMA_SLAVE_RIIC0_TX,
+ .addr = 0x1e500012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x21,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC0_RX,
+ .addr = 0x1e500013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x22,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC1_TX,
+ .addr = 0x1e510012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x29,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC1_RX,
+ .addr = 0x1e510013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x2a,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC2_TX,
+ .addr = 0x1e520012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0xa1,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC2_RX,
+ .addr = 0x1e520013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0xa2,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC3_TX,
+ .addr = 0x1e530012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0xab,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC3_RX,
+ .addr = 0x1e530013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0xaf,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC4_TX,
+ .addr = 0x1e540012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0xc1,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC4_RX,
+ .addr = 0x1e540013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0xc2,
+ },
+};
+
+static const struct sh_dmae_slave_config sh7757_dmae3_slaves[] = {
+ {
+ .slave_id = SHDMA_SLAVE_RIIC5_TX,
+ .addr = 0x1e550012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x21,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC5_RX,
+ .addr = 0x1e550013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x22,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC6_TX,
+ .addr = 0x1e560012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x29,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC6_RX,
+ .addr = 0x1e560013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x2a,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC7_TX,
+ .addr = 0x1e570012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x41,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC7_RX,
+ .addr = 0x1e570013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x42,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC8_TX,
+ .addr = 0x1e580012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x45,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC8_RX,
+ .addr = 0x1e580013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x46,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC9_TX,
+ .addr = 0x1e590012,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x51,
+ },
+ {
+ .slave_id = SHDMA_SLAVE_RIIC9_RX,
+ .addr = 0x1e590013,
+ .chcr = SM_INC | 0x800 | 0x40000000 |
+ TS_INDEX2VAL(XMIT_SZ_8BIT),
+ .mid_rid = 0x52,
+ },
+};
+
+static const struct sh_dmae_channel sh7757_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 const unsigned int ts_shift[] = TS_SHIFT;
+
+static struct sh_dmae_pdata dma0_platform_data = {
+ .slave = sh7757_dmae0_slaves,
+ .slave_num = ARRAY_SIZE(sh7757_dmae0_slaves),
+ .channel = sh7757_dmae_channels,
+ .channel_num = ARRAY_SIZE(sh7757_dmae_channels),
+ .ts_low_shift = CHCR_TS_LOW_SHIFT,
+ .ts_low_mask = CHCR_TS_LOW_MASK,
+ .ts_high_shift = CHCR_TS_HIGH_SHIFT,
+ .ts_high_mask = CHCR_TS_HIGH_MASK,
+ .ts_shift = ts_shift,
+ .ts_shift_num = ARRAY_SIZE(ts_shift),
+ .dmaor_init = DMAOR_INIT,
+};
+
+static struct sh_dmae_pdata dma1_platform_data = {
+ .slave = sh7757_dmae1_slaves,
+ .slave_num = ARRAY_SIZE(sh7757_dmae1_slaves),
+ .channel = sh7757_dmae_channels,
+ .channel_num = ARRAY_SIZE(sh7757_dmae_channels),
+ .ts_low_shift = CHCR_TS_LOW_SHIFT,
+ .ts_low_mask = CHCR_TS_LOW_MASK,
+ .ts_high_shift = CHCR_TS_HIGH_SHIFT,
+ .ts_high_mask = CHCR_TS_HIGH_MASK,
+ .ts_shift = ts_shift,
+ .ts_shift_num = ARRAY_SIZE(ts_shift),
+ .dmaor_init = DMAOR_INIT,
+};
+
+static struct sh_dmae_pdata dma2_platform_data = {
+ .slave = sh7757_dmae2_slaves,
+ .slave_num = ARRAY_SIZE(sh7757_dmae2_slaves),
+ .channel = sh7757_dmae_channels,
+ .channel_num = ARRAY_SIZE(sh7757_dmae_channels),
+ .ts_low_shift = CHCR_TS_LOW_SHIFT,
+ .ts_low_mask = CHCR_TS_LOW_MASK,
+ .ts_high_shift = CHCR_TS_HIGH_SHIFT,
+ .ts_high_mask = CHCR_TS_HIGH_MASK,
+ .ts_shift = ts_shift,
+ .ts_shift_num = ARRAY_SIZE(ts_shift),
+ .dmaor_init = DMAOR_INIT,
+};
+
+static struct sh_dmae_pdata dma3_platform_data = {
+ .slave = sh7757_dmae3_slaves,
+ .slave_num = ARRAY_SIZE(sh7757_dmae3_slaves),
+ .channel = sh7757_dmae_channels,
+ .channel_num = ARRAY_SIZE(sh7757_dmae_channels),
+ .ts_low_shift = CHCR_TS_LOW_SHIFT,
+ .ts_low_mask = CHCR_TS_LOW_MASK,
+ .ts_high_shift = CHCR_TS_HIGH_SHIFT,
+ .ts_high_mask = CHCR_TS_HIGH_MASK,
+ .ts_shift = ts_shift,
+ .ts_shift_num = ARRAY_SIZE(ts_shift),
+ .dmaor_init = DMAOR_INIT,
+};
+
+/* channel 0 to 5 */
+static struct resource sh7757_dmae0_resources[] = {
+ [0] = {
+ /* Channel registers and DMAOR */
+ .start = 0xff608020,
+ .end = 0xff60808f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ /* DMARSx */
+ .start = 0xff609000,
+ .end = 0xff60900b,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 34,
+ .end = 34,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+};
+
+/* channel 6 to 11 */
+static struct resource sh7757_dmae1_resources[] = {
+ [0] = {
+ /* Channel registers and DMAOR */
+ .start = 0xff618020,
+ .end = 0xff61808f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ /* DMARSx */
+ .start = 0xff619000,
+ .end = 0xff61900b,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ /* DMA error */
+ .start = 34,
+ .end = 34,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+ {
+ /* IRQ for channels 4 */
+ .start = 46,
+ .end = 46,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+ {
+ /* IRQ for channels 5 */
+ .start = 46,
+ .end = 46,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+ {
+ /* IRQ for channels 6 */
+ .start = 88,
+ .end = 88,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+ {
+ /* IRQ for channels 7 */
+ .start = 88,
+ .end = 88,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+ {
+ /* IRQ for channels 8 */
+ .start = 88,
+ .end = 88,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+ {
+ /* IRQ for channels 9 */
+ .start = 88,
+ .end = 88,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+ {
+ /* IRQ for channels 10 */
+ .start = 88,
+ .end = 88,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+ {
+ /* IRQ for channels 11 */
+ .start = 88,
+ .end = 88,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+ },
+};
+
+/* channel 12 to 17 */
+static struct resource sh7757_dmae2_resources[] = {
+ [0] = {
+ /* Channel registers and DMAOR */
+ .start = 0xff708020,
+ .end = 0xff70808f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ /* DMARSx */
+ .start = 0xff709000,
+ .end = 0xff70900b,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ /* DMA error */
+ .start = 323,
+ .end = 323,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ /* IRQ for channels 12 to 16 */
+ .start = 272,
+ .end = 276,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ /* IRQ for channel 17 */
+ .start = 279,
+ .end = 279,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+/* channel 18 to 23 */
+static struct resource sh7757_dmae3_resources[] = {
+ [0] = {
+ /* Channel registers and DMAOR */
+ .start = 0xff718020,
+ .end = 0xff71808f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ /* DMARSx */
+ .start = 0xff719000,
+ .end = 0xff71900b,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ /* DMA error */
+ .start = 324,
+ .end = 324,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ /* IRQ for channels 18 to 22 */
+ .start = 280,
+ .end = 284,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ /* IRQ for channel 23 */
+ .start = 288,
+ .end = 288,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device dma0_device = {
+ .name = "sh-dma-engine",
+ .id = 0,
+ .resource = sh7757_dmae0_resources,
+ .num_resources = ARRAY_SIZE(sh7757_dmae0_resources),
+ .dev = {
+ .platform_data = &dma0_platform_data,
+ },
+};
+
+static struct platform_device dma1_device = {
+ .name = "sh-dma-engine",
+ .id = 1,
+ .resource = sh7757_dmae1_resources,
+ .num_resources = ARRAY_SIZE(sh7757_dmae1_resources),
+ .dev = {
+ .platform_data = &dma1_platform_data,
+ },
+};
+
+static struct platform_device dma2_device = {
+ .name = "sh-dma-engine",
+ .id = 2,
+ .resource = sh7757_dmae2_resources,
+ .num_resources = ARRAY_SIZE(sh7757_dmae2_resources),
+ .dev = {
+ .platform_data = &dma2_platform_data,
+ },
+};
+
+static struct platform_device dma3_device = {
+ .name = "sh-dma-engine",
+ .id = 3,
+ .resource = sh7757_dmae3_resources,
+ .num_resources = ARRAY_SIZE(sh7757_dmae3_resources),
+ .dev = {
+ .platform_data = &dma3_platform_data,
+ },
+};
+
static struct platform_device spi0_device = {
.name = "sh_spi",
.id = 0,
@@ -153,6 +665,10 @@ static struct platform_device *sh7757_devices[] __initdata = {
&scif4_device,
&tmu0_device,
&tmu1_device,
+ &dma0_device,
+ &dma1_device,
+ &dma2_device,
+ &dma3_device,
&spi0_device,
};
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