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[ARM] pxa: define SSP platform devices for pxa2xx/pxa3xx
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Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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eric miao authored and Russell King committed Jan 26, 2008
1 parent 49db76e commit d2b82dd
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8 changes: 8 additions & 0 deletions arch/arm/mach-pxa/devices.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
277 changes: 277 additions & 0 deletions arch/arm/mach-pxa/generic.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand Down Expand Up @@ -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 */

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