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Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/setup-sh7780.c')
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7780.c158
1 files changed, 139 insertions, 19 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index c310558490d..02e792c90de 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -13,7 +13,10 @@
#include <linux/io.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
-#include <asm/dma-sh.h>
+
+#include <asm/dmaengine.h>
+
+#include <cpu/dma-register.h>
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xffe00000,
@@ -247,15 +250,131 @@ 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 unsigned int ts_shift[] = TS_SHIFT;
+
+static struct sh_dmae_pdata dma0_platform_data = {
+ .channel = sh7780_dmae0_channels,
+ .channel_num = ARRAY_SIZE(sh7780_dmae0_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 = {
+ .channel = sh7780_dmae1_channels,
+ .channel_num = ARRAY_SIZE(sh7780_dmae1_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 platform_device dma_device = {
+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 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 +388,8 @@ 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)
@@ -461,17 +581,17 @@ static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
void __init plat_irq_setup(void)
{
/* disable IRQ7-0 */
- ctrl_outl(0xff000000, INTC_INTMSK0);
+ __raw_writel(0xff000000, INTC_INTMSK0);
/* disable IRL3-0 + IRL7-4 */
- ctrl_outl(0xc0000000, INTC_INTMSK1);
- ctrl_outl(0xfffefffe, INTC_INTMSK2);
+ __raw_writel(0xc0000000, INTC_INTMSK1);
+ __raw_writel(0xfffefffe, INTC_INTMSK2);
/* select IRL mode for IRL3-0 + IRL7-4 */
- ctrl_outl(ctrl_inl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
+ __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
/* disable holding function, ie enable "SH-4 Mode" */
- ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00200000, INTC_ICR0);
+ __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
register_intc_controller(&intc_desc);
}
@@ -481,27 +601,27 @@ void __init plat_irq_setup_pins(int mode)
switch (mode) {
case IRQ_MODE_IRQ:
/* select IRQ mode for IRL3-0 + IRL7-4 */
- ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
+ __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
register_intc_controller(&intc_irq_desc);
break;
case IRQ_MODE_IRL7654:
/* enable IRL7-4 but don't provide any masking */
- ctrl_outl(0x40000000, INTC_INTMSKCLR1);
- ctrl_outl(0x0000fffe, INTC_INTMSKCLR2);
+ __raw_writel(0x40000000, INTC_INTMSKCLR1);
+ __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
break;
case IRQ_MODE_IRL3210:
/* enable IRL0-3 but don't provide any masking */
- ctrl_outl(0x80000000, INTC_INTMSKCLR1);
- ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);
+ __raw_writel(0x80000000, INTC_INTMSKCLR1);
+ __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
break;
case IRQ_MODE_IRL7654_MASK:
/* enable IRL7-4 and mask using cpu intc controller */
- ctrl_outl(0x40000000, INTC_INTMSKCLR1);
+ __raw_writel(0x40000000, INTC_INTMSKCLR1);
register_intc_controller(&intc_irl7654_desc);
break;
case IRQ_MODE_IRL3210_MASK:
/* enable IRL0-3 and mask using cpu intc controller */
- ctrl_outl(0x80000000, INTC_INTMSKCLR1);
+ __raw_writel(0x80000000, INTC_INTMSKCLR1);
register_intc_controller(&intc_irl3210_desc);
break;
default: