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authoreric miao <eric.miao@marvell.com>2007-12-10 17:51:29 +0800
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-01-26 15:07:51 +0000
commitd2b82dded8c45daeaad332459222034a3fabd227 (patch)
tree921a53625b7d8ad56e4a9653e7ba38c929d2a03b
parent49db76eb5fd7d75babb4f3a5f30e86d1f8e82543 (diff)
[ARM] pxa: define SSP platform devices for pxa2xx/pxa3xx
Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-pxa/devices.h8
-rw-r--r--arch/arm/mach-pxa/generic.c277
2 files changed, 285 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h
index 51162a7dba07..e78b48f62b36 100644
--- a/arch/arm/mach-pxa/devices.h
+++ b/arch/arm/mach-pxa/devices.h
@@ -13,4 +13,12 @@ extern struct platform_device pxa_device_rtc;
extern struct platform_device pxa27x_device_i2c_power;
extern struct platform_device pxa27x_device_ohci;
+extern struct platform_device pxa25x_device_ssp;
+extern struct platform_device pxa25x_device_nssp;
+extern struct platform_device pxa25x_device_assp;
+extern struct platform_device pxa27x_device_ssp1;
+extern struct platform_device pxa27x_device_ssp2;
+extern struct platform_device pxa27x_device_ssp3;
+extern struct platform_device pxa3xx_device_ssp4;
+
void __init pxa_register_device(struct platform_device *dev, void *data);
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 3d863c919e8b..8bb70e70131e 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -24,6 +24,7 @@
#include <linux/ioport.h>
#include <linux/pm.h>
#include <linux/string.h>
+#include <linux/dma-mapping.h>
#include <asm/hardware.h>
#include <asm/irq.h>
@@ -487,3 +488,279 @@ struct platform_device pxa_device_rtc = {
.name = "sa1100-rtc",
.id = -1,
};
+
+#ifdef CONFIG_PXA25x
+
+static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource pxa25x_resource_ssp[] = {
+ [0] = {
+ .start = 0x41000000,
+ .end = 0x4100001f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_SSP,
+ .end = IRQ_SSP,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* DRCMR for RX */
+ .start = 13,
+ .end = 13,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ /* DRCMR for TX */
+ .start = 14,
+ .end = 14,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device pxa25x_device_ssp = {
+ .name = "pxa25x-ssp",
+ .id = 0,
+ .dev = {
+ .dma_mask = &pxa25x_ssp_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = pxa25x_resource_ssp,
+ .num_resources = ARRAY_SIZE(pxa25x_resource_ssp),
+};
+
+static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource pxa25x_resource_nssp[] = {
+ [0] = {
+ .start = 0x41400000,
+ .end = 0x4140002f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_NSSP,
+ .end = IRQ_NSSP,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* DRCMR for RX */
+ .start = 15,
+ .end = 15,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ /* DRCMR for TX */
+ .start = 16,
+ .end = 16,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device pxa25x_device_nssp = {
+ .name = "pxa25x-nssp",
+ .id = 1,
+ .dev = {
+ .dma_mask = &pxa25x_nssp_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = pxa25x_resource_nssp,
+ .num_resources = ARRAY_SIZE(pxa25x_resource_nssp),
+};
+
+static u64 pxa25x_assp_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource pxa25x_resource_assp[] = {
+ [0] = {
+ .start = 0x41500000,
+ .end = 0x4150002f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_ASSP,
+ .end = IRQ_ASSP,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* DRCMR for RX */
+ .start = 23,
+ .end = 23,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ /* DRCMR for TX */
+ .start = 24,
+ .end = 24,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device pxa25x_device_assp = {
+ /* ASSP is basically equivalent to NSSP */
+ .name = "pxa25x-nssp",
+ .id = 2,
+ .dev = {
+ .dma_mask = &pxa25x_assp_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = pxa25x_resource_assp,
+ .num_resources = ARRAY_SIZE(pxa25x_resource_assp),
+};
+#endif /* CONFIG_PXA25x */
+
+#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
+
+static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource pxa27x_resource_ssp1[] = {
+ [0] = {
+ .start = 0x41000000,
+ .end = 0x4100003f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_SSP,
+ .end = IRQ_SSP,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* DRCMR for RX */
+ .start = 13,
+ .end = 13,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ /* DRCMR for TX */
+ .start = 14,
+ .end = 14,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device pxa27x_device_ssp1 = {
+ .name = "pxa27x-ssp",
+ .id = 0,
+ .dev = {
+ .dma_mask = &pxa27x_ssp1_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = pxa27x_resource_ssp1,
+ .num_resources = ARRAY_SIZE(pxa27x_resource_ssp1),
+};
+
+static u64 pxa27x_ssp2_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource pxa27x_resource_ssp2[] = {
+ [0] = {
+ .start = 0x41700000,
+ .end = 0x4170003f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_SSP2,
+ .end = IRQ_SSP2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* DRCMR for RX */
+ .start = 15,
+ .end = 15,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ /* DRCMR for TX */
+ .start = 16,
+ .end = 16,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device pxa27x_device_ssp2 = {
+ .name = "pxa27x-ssp",
+ .id = 1,
+ .dev = {
+ .dma_mask = &pxa27x_ssp2_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = pxa27x_resource_ssp2,
+ .num_resources = ARRAY_SIZE(pxa27x_resource_ssp2),
+};
+
+static u64 pxa27x_ssp3_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource pxa27x_resource_ssp3[] = {
+ [0] = {
+ .start = 0x41900000,
+ .end = 0x4190003f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_SSP3,
+ .end = IRQ_SSP3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* DRCMR for RX */
+ .start = 66,
+ .end = 66,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ /* DRCMR for TX */
+ .start = 67,
+ .end = 67,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device pxa27x_device_ssp3 = {
+ .name = "pxa27x-ssp",
+ .id = 2,
+ .dev = {
+ .dma_mask = &pxa27x_ssp3_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = pxa27x_resource_ssp3,
+ .num_resources = ARRAY_SIZE(pxa27x_resource_ssp3),
+};
+#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
+
+#ifdef CONFIG_PXA3xx
+static u64 pxa3xx_ssp4_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource pxa3xx_resource_ssp4[] = {
+ [0] = {
+ .start = 0x41a00000,
+ .end = 0x41a0003f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_SSP4,
+ .end = IRQ_SSP4,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* DRCMR for RX */
+ .start = 2,
+ .end = 2,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ /* DRCMR for TX */
+ .start = 3,
+ .end = 3,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device pxa3xx_device_ssp4 = {
+ /* PXA3xx SSP is basically equivalent to PXA27x */
+ .name = "pxa27x-ssp",
+ .id = 3,
+ .dev = {
+ .dma_mask = &pxa3xx_ssp4_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = pxa3xx_resource_ssp4,
+ .num_resources = ARRAY_SIZE(pxa3xx_resource_ssp4),
+};
+#endif /* CONFIG_PXA3xx */