Merge branch 'renesas-sh73a0' into renesas-soc

* renesas-sh73a0: ARM: shmobile: use common DMAEngine definitions on sh73a0 ARM: shmobile: sh73a0: add DMAEngine support for MPDMAC ARM: shmobile: sh73a0: add USB clock support
git-mirror · Jul 11, 2012 · 0b14121 · 0b14121
2 parents b0a1e75 + 6088b42
commit 0b14121
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Showing 3 changed files with 131 additions and 36 deletions.
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -475,9 +475,9 @@ static struct clk *late_main_clks[] = {
 
 enum { MSTP001,
 	MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
-	MSTP219, MSTP218,
+	MSTP219, MSTP218, MSTP217,
 	MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-	MSTP331, MSTP329, MSTP328, MSTP325, MSTP323,
+	MSTP331, MSTP329, MSTP328, MSTP325, MSTP323, MSTP322,
 	MSTP314, MSTP313, MSTP312, MSTP311,
 	MSTP303, MSTP302, MSTP301, MSTP300,
 	MSTP411, MSTP410, MSTP403,
@@ -498,6 +498,7 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
 	[MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
 	[MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* SY-DMAC */
+	[MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* MP-DMAC */
 	[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
 	[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
 	[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
@@ -510,6 +511,7 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP328] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 28, 0), /*FSI*/
 	[MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */
 	[MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
+	[MSTP322] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 22, 0), /* USB */
 	[MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */
 	[MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
 	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
@@ -554,6 +556,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
 	CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
 	CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */
+	CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* MP-DMAC */
 	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
 	CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
 	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
@@ -566,6 +569,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI */
 	CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
 	CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
+	CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP322]), /* USB */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */

diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h
@@ -516,6 +516,13 @@ enum {
 	SHDMA_SLAVE_SDHI2_RX,
 	SHDMA_SLAVE_MMCIF_TX,
 	SHDMA_SLAVE_MMCIF_RX,
+	SHDMA_SLAVE_FSI2A_TX,
+	SHDMA_SLAVE_FSI2A_RX,
+	SHDMA_SLAVE_FSI2B_TX,
+	SHDMA_SLAVE_FSI2B_RX,
+	SHDMA_SLAVE_FSI2C_TX,
+	SHDMA_SLAVE_FSI2C_RX,
+	SHDMA_SLAVE_FSI2D_RX,
 };
 
 /*

diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -30,6 +30,7 @@
 #include <linux/sh_dma.h>
 #include <linux/sh_intc.h>
 #include <linux/sh_timer.h>
+#include <mach/dma-register.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <mach/sh73a0.h>
@@ -415,32 +416,6 @@ static struct platform_device i2c4_device = {
 	.num_resources	= ARRAY_SIZE(i2c4_resources),
 };
 
-/* Transmit sizes and respective CHCR register values */
-enum {
-	XMIT_SZ_8BIT		= 0,
-	XMIT_SZ_16BIT		= 1,
-	XMIT_SZ_32BIT		= 2,
-	XMIT_SZ_64BIT		= 7,
-	XMIT_SZ_128BIT		= 3,
-	XMIT_SZ_256BIT		= 4,
-	XMIT_SZ_512BIT		= 5,
-};
-
-/* log2(size / 8) - used to calculate number of transfers */
-#define TS_SHIFT {			\
-	[XMIT_SZ_8BIT]		= 0,	\
-	[XMIT_SZ_16BIT]		= 1,	\
-	[XMIT_SZ_32BIT]		= 2,	\
-	[XMIT_SZ_64BIT]		= 3,	\
-	[XMIT_SZ_128BIT]	= 4,	\
-	[XMIT_SZ_256BIT]	= 5,	\
-	[XMIT_SZ_512BIT]	= 6,	\
-}
-
-#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | (((i) & 0xc) << (20 - 2)))
-#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz)))
-#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz)))
-
 static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = {
 	{
 		.slave_id	= SHDMA_SLAVE_SCIF0_TX,
@@ -604,19 +579,17 @@ static const struct sh_dmae_channel sh73a0_dmae_channels[] = {
 	DMAE_CHANNEL(0x8980),
 };
 
-static const unsigned int ts_shift[] = TS_SHIFT;
-
 static struct sh_dmae_pdata sh73a0_dmae_platform_data = {
 	.slave          = sh73a0_dmae_slaves,
 	.slave_num      = ARRAY_SIZE(sh73a0_dmae_slaves),
 	.channel        = sh73a0_dmae_channels,
 	.channel_num    = ARRAY_SIZE(sh73a0_dmae_channels),
-	.ts_low_shift   = 3,
-	.ts_low_mask    = 0x18,
-	.ts_high_shift  = (20 - 2),     /* 2 bits for shifted low TS */
-	.ts_high_mask   = 0x00300000,
-	.ts_shift       = ts_shift,
-	.ts_shift_num   = ARRAY_SIZE(ts_shift),
+	.ts_low_shift   = TS_LOW_SHIFT,
+	.ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
+	.ts_high_shift  = TS_HI_SHIFT,
+	.ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
+	.ts_shift       = dma_ts_shift,
+	.ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
 	.dmaor_init     = DMAOR_DME,
 };
 
@@ -651,6 +624,116 @@ static struct platform_device dma0_device = {
 	},
 };
 
+/* MPDMAC */
+static const struct sh_dmae_slave_config sh73a0_mpdma_slaves[] = {
+	{
+		.slave_id	= SHDMA_SLAVE_FSI2A_RX,
+		.addr		= 0xec230020,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xd6, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2A_TX,
+		.addr		= 0xec230024,
+		.chcr		= CHCR_TX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xd5, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2C_RX,
+		.addr		= 0xec230060,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xda, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2C_TX,
+		.addr		= 0xec230064,
+		.chcr		= CHCR_TX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xd9, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2B_RX,
+		.addr		= 0xec240020,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0x8e, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2B_TX,
+		.addr		= 0xec240024,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0x8d, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2D_RX,
+		.addr		=  0xec240060,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0x9a, /* CHECK ME */
+	},
+};
+
+#define MPDMA_CHANNEL(a, b, c)			\
+{						\
+	.offset		= a,			\
+	.dmars		= b,			\
+	.dmars_bit	= c,			\
+	.chclr_offset	= (0x220 - 0x20) + a	\
+}
+
+static const struct sh_dmae_channel sh73a0_mpdma_channels[] = {
+	MPDMA_CHANNEL(0x00, 0, 0),
+	MPDMA_CHANNEL(0x10, 0, 8),
+	MPDMA_CHANNEL(0x20, 4, 0),
+	MPDMA_CHANNEL(0x30, 4, 8),
+	MPDMA_CHANNEL(0x50, 8, 0),
+	MPDMA_CHANNEL(0x70, 8, 8),
+};
+
+static struct sh_dmae_pdata sh73a0_mpdma_platform_data = {
+	.slave		= sh73a0_mpdma_slaves,
+	.slave_num	= ARRAY_SIZE(sh73a0_mpdma_slaves),
+	.channel	= sh73a0_mpdma_channels,
+	.channel_num	= ARRAY_SIZE(sh73a0_mpdma_channels),
+	.ts_low_shift	= TS_LOW_SHIFT,
+	.ts_low_mask	= TS_LOW_BIT << TS_LOW_SHIFT,
+	.ts_high_shift	= TS_HI_SHIFT,
+	.ts_high_mask	= TS_HI_BIT << TS_HI_SHIFT,
+	.ts_shift	= dma_ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(dma_ts_shift),
+	.dmaor_init	= DMAOR_DME,
+	.chclr_present	= 1,
+};
+
+/* Resource order important! */
+static struct resource sh73a0_mpdma_resources[] = {
+	{
+		/* Channel registers and DMAOR */
+		.start	= 0xec618020,
+		.end	= 0xec61828f,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMARSx */
+		.start	= 0xec619000,
+		.end	= 0xec61900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "error_irq",
+		.start	= gic_spi(181),
+		.end	= gic_spi(181),
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 0-5 */
+		.start	= gic_spi(175),
+		.end	= gic_spi(180),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device mpdma0_device = {
+	.name		= "sh-dma-engine",
+	.id		= 1,
+	.resource	= sh73a0_mpdma_resources,
+	.num_resources	= ARRAY_SIZE(sh73a0_mpdma_resources),
+	.dev		= {
+		.platform_data	= &sh73a0_mpdma_platform_data,
+	},
+};
+
 static struct platform_device *sh73a0_early_devices[] __initdata = {
 	&scif0_device,
 	&scif1_device,
@@ -673,6 +756,7 @@ static struct platform_device *sh73a0_late_devices[] __initdata = {
 	&i2c3_device,
 	&i2c4_device,
 	&dma0_device,
+	&mpdma0_device,
 };
 
 #define SRCR2          0xe61580b0