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linux/arch/arm/mach-ux500/devices-db8500.c
Rabin Vincent 1d7e356594 ARM: 6418/1: ux500: rename DB8500 DMA event line macros
Change the DMA event line macros to have the name of the SoC.  Also,
have the event line number encoded in the macro since on DB5500 several
event lines are present at multiple alternate numbers.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-04 19:46:07 +01:00

295 lines
6.9 KiB
C

/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <plat/ste_dma40.h>
#include <mach/hardware.h>
#include <mach/setup.h>
#include "ste-dma40-db8500.h"
static struct nmk_gpio_platform_data u8500_gpio_data[] = {
GPIO_DATA("GPIO-0-31", 0),
GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
GPIO_DATA("GPIO-64-95", 64),
GPIO_DATA("GPIO-96-127", 96), /* 98..127 not routed to pin */
GPIO_DATA("GPIO-128-159", 128),
GPIO_DATA("GPIO-160-191", 160), /* 172..191 not routed to pin */
GPIO_DATA("GPIO-192-223", 192),
GPIO_DATA("GPIO-224-255", 224), /* 231..255 not routed to pin */
GPIO_DATA("GPIO-256-288", 256), /* 268..288 not routed to pin */
};
static struct resource u8500_gpio_resources[] = {
GPIO_RESOURCE(0),
GPIO_RESOURCE(1),
GPIO_RESOURCE(2),
GPIO_RESOURCE(3),
GPIO_RESOURCE(4),
GPIO_RESOURCE(5),
GPIO_RESOURCE(6),
GPIO_RESOURCE(7),
GPIO_RESOURCE(8),
};
struct platform_device u8500_gpio_devs[] = {
GPIO_DEVICE(0),
GPIO_DEVICE(1),
GPIO_DEVICE(2),
GPIO_DEVICE(3),
GPIO_DEVICE(4),
GPIO_DEVICE(5),
GPIO_DEVICE(6),
GPIO_DEVICE(7),
GPIO_DEVICE(8),
};
struct amba_device u8500_ssp0_device = {
.dev = {
.coherent_dma_mask = ~0,
.init_name = "ssp0",
},
.res = {
.start = U8500_SSP0_BASE,
.end = U8500_SSP0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DB8500_SSP0, NO_IRQ },
/* ST-Ericsson modified id */
.periphid = SSP_PER_ID,
};
static struct resource u8500_i2c0_resources[] = {
[0] = {
.start = U8500_I2C0_BASE,
.end = U8500_I2C0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DB8500_I2C0,
.end = IRQ_DB8500_I2C0,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device u8500_i2c0_device = {
.name = "nmk-i2c",
.id = 0,
.resource = u8500_i2c0_resources,
.num_resources = ARRAY_SIZE(u8500_i2c0_resources),
};
static struct resource u8500_i2c4_resources[] = {
[0] = {
.start = U8500_I2C4_BASE,
.end = U8500_I2C4_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DB8500_I2C4,
.end = IRQ_DB8500_I2C4,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device u8500_i2c4_device = {
.name = "nmk-i2c",
.id = 4,
.resource = u8500_i2c4_resources,
.num_resources = ARRAY_SIZE(u8500_i2c4_resources),
};
/*
* SD/MMC
*/
struct amba_device u8500_sdi0_device = {
.dev = {
.init_name = "sdi0",
},
.res = {
.start = U8500_SDI0_BASE,
.end = U8500_SDI0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DB8500_SDMMC0, NO_IRQ},
};
struct amba_device u8500_sdi1_device = {
.dev = {
.init_name = "sdi1",
},
.res = {
.start = U8500_SDI1_BASE,
.end = U8500_SDI1_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DB8500_SDMMC1, NO_IRQ},
};
struct amba_device u8500_sdi2_device = {
.dev = {
.init_name = "sdi2",
},
.res = {
.start = U8500_SDI2_BASE,
.end = U8500_SDI2_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DB8500_SDMMC2, NO_IRQ},
};
struct amba_device u8500_sdi3_device = {
.dev = {
.init_name = "sdi3",
},
.res = {
.start = U8500_SDI3_BASE,
.end = U8500_SDI3_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DB8500_SDMMC3, NO_IRQ},
};
struct amba_device u8500_sdi4_device = {
.dev = {
.init_name = "sdi4",
},
.res = {
.start = U8500_SDI4_BASE,
.end = U8500_SDI4_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DB8500_SDMMC4, NO_IRQ},
};
struct amba_device u8500_sdi5_device = {
.dev = {
.init_name = "sdi5",
},
.res = {
.start = U8500_SDI5_BASE,
.end = U8500_SDI5_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DB8500_SDMMC5, NO_IRQ},
};
static struct resource dma40_resources[] = {
[0] = {
.start = U8500_DMA_BASE,
.end = U8500_DMA_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
.name = "base",
},
[1] = {
.start = U8500_DMA_LCPA_BASE,
.end = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
.flags = IORESOURCE_MEM,
.name = "lcpa",
},
[2] = {
.start = IRQ_DB8500_DMA,
.end = IRQ_DB8500_DMA,
.flags = IORESOURCE_IRQ,
}
};
/* Default configuration for physcial memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
.channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE |
STEDMA40_LOW_PRIORITY_CHANNEL |
STEDMA40_PCHAN_BASIC_MODE),
.dir = STEDMA40_MEM_TO_MEM,
.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_PHY_1,
.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
.dst_info.psize = STEDMA40_PSIZE_PHY_1,
.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
};
/* Default configuration for logical memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_log = {
.channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE |
STEDMA40_LOW_PRIORITY_CHANNEL |
STEDMA40_LCHAN_SRC_LOG_DST_LOG |
STEDMA40_NO_TIM_FOR_LINK),
.dir = STEDMA40_MEM_TO_MEM,
.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_LOG_1,
.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
.dst_info.psize = STEDMA40_PSIZE_LOG_1,
.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
};
/*
* Mapping between destination event lines and physical device address.
* The event line is tied to a device and therefor the address is constant.
*/
static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV];
/* Mapping between source event lines and physical device address */
static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV];
/* Reserved event lines for memcpy only */
static int dma40_memcpy_event[] = {
DB8500_DMA_MEMCPY_TX_0,
DB8500_DMA_MEMCPY_TX_1,
DB8500_DMA_MEMCPY_TX_2,
DB8500_DMA_MEMCPY_TX_3,
DB8500_DMA_MEMCPY_TX_4,
DB8500_DMA_MEMCPY_TX_5,
};
static struct stedma40_platform_data dma40_plat_data = {
.dev_len = DB8500_DMA_NR_DEV,
.dev_rx = dma40_rx_map,
.dev_tx = dma40_tx_map,
.memcpy = dma40_memcpy_event,
.memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
.memcpy_conf_phy = &dma40_memcpy_conf_phy,
.memcpy_conf_log = &dma40_memcpy_conf_log,
.llis_per_log = 8,
.disabled_channels = {-1},
};
struct platform_device u8500_dma40_device = {
.dev = {
.platform_data = &dma40_plat_data,
},
.name = "dma40",
.id = 0,
.num_resources = ARRAY_SIZE(dma40_resources),
.resource = dma40_resources
};
void dma40_u8500ed_fixup(void)
{
dma40_plat_data.memcpy = NULL;
dma40_plat_data.memcpy_len = 0;
dma40_resources[0].start = U8500_DMA_BASE_ED;
dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1;
dma40_resources[1].start = U8500_DMA_LCPA_BASE_ED;
dma40_resources[1].end = U8500_DMA_LCPA_BASE_ED + 2 * SZ_1K - 1;
}