mirror of
https://github.com/torvalds/linux.git
synced 2024-11-19 10:31:48 +00:00
c3b9d1db23
This converts the Nomadik and Ux500 platforms to use SPARSE_IRQ. Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
197 lines
6.0 KiB
C
197 lines
6.0 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 <linux/amba/pl022.h>
|
|
#include <linux/platform_data/dma-ste-dma40.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/setup.h>
|
|
#include <mach/irqs.h>
|
|
|
|
#include "ste-dma40-db8500.h"
|
|
|
|
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 = {
|
|
.mode = STEDMA40_MODE_PHYSICAL,
|
|
.dir = STEDMA40_MEM_TO_MEM,
|
|
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.src_info.psize = STEDMA40_PSIZE_PHY_1,
|
|
.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
|
|
|
|
.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 = {
|
|
.dir = STEDMA40_MEM_TO_MEM,
|
|
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.src_info.psize = STEDMA40_PSIZE_LOG_1,
|
|
.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
|
|
|
|
.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 therefore the address is constant.
|
|
* When the address comes from a primecell it will be configured in runtime
|
|
* and we set the address to -1 as a placeholder.
|
|
*/
|
|
static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV] = {
|
|
/* MUSB - these will be runtime-reconfigured */
|
|
[DB8500_DMA_DEV39_USB_OTG_OEP_8] = -1,
|
|
[DB8500_DMA_DEV16_USB_OTG_OEP_7_15] = -1,
|
|
[DB8500_DMA_DEV17_USB_OTG_OEP_6_14] = -1,
|
|
[DB8500_DMA_DEV18_USB_OTG_OEP_5_13] = -1,
|
|
[DB8500_DMA_DEV19_USB_OTG_OEP_4_12] = -1,
|
|
[DB8500_DMA_DEV36_USB_OTG_OEP_3_11] = -1,
|
|
[DB8500_DMA_DEV37_USB_OTG_OEP_2_10] = -1,
|
|
[DB8500_DMA_DEV38_USB_OTG_OEP_1_9] = -1,
|
|
/* PrimeCells - run-time configured */
|
|
[DB8500_DMA_DEV0_SPI0_TX] = -1,
|
|
[DB8500_DMA_DEV1_SD_MMC0_TX] = -1,
|
|
[DB8500_DMA_DEV2_SD_MMC1_TX] = -1,
|
|
[DB8500_DMA_DEV3_SD_MMC2_TX] = -1,
|
|
[DB8500_DMA_DEV8_SSP0_TX] = -1,
|
|
[DB8500_DMA_DEV9_SSP1_TX] = -1,
|
|
[DB8500_DMA_DEV11_UART2_TX] = -1,
|
|
[DB8500_DMA_DEV12_UART1_TX] = -1,
|
|
[DB8500_DMA_DEV13_UART0_TX] = -1,
|
|
[DB8500_DMA_DEV28_SD_MM2_TX] = -1,
|
|
[DB8500_DMA_DEV29_SD_MM0_TX] = -1,
|
|
[DB8500_DMA_DEV32_SD_MM1_TX] = -1,
|
|
[DB8500_DMA_DEV33_SPI2_TX] = -1,
|
|
[DB8500_DMA_DEV35_SPI1_TX] = -1,
|
|
[DB8500_DMA_DEV40_SPI3_TX] = -1,
|
|
[DB8500_DMA_DEV41_SD_MM3_TX] = -1,
|
|
[DB8500_DMA_DEV42_SD_MM4_TX] = -1,
|
|
[DB8500_DMA_DEV43_SD_MM5_TX] = -1,
|
|
[DB8500_DMA_DEV14_MSP2_TX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
|
|
[DB8500_DMA_DEV30_MSP1_TX] = U8500_MSP1_BASE + MSP_TX_RX_REG_OFFSET,
|
|
[DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
|
|
[DB8500_DMA_DEV48_CAC1_TX] = U8500_CRYP1_BASE + CRYP1_TX_REG_OFFSET,
|
|
[DB8500_DMA_DEV50_HAC1_TX] = U8500_HASH1_BASE + HASH1_TX_REG_OFFSET,
|
|
};
|
|
|
|
/* Mapping between source event lines and physical device address */
|
|
static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV] = {
|
|
/* MUSB - these will be runtime-reconfigured */
|
|
[DB8500_DMA_DEV39_USB_OTG_IEP_8] = -1,
|
|
[DB8500_DMA_DEV16_USB_OTG_IEP_7_15] = -1,
|
|
[DB8500_DMA_DEV17_USB_OTG_IEP_6_14] = -1,
|
|
[DB8500_DMA_DEV18_USB_OTG_IEP_5_13] = -1,
|
|
[DB8500_DMA_DEV19_USB_OTG_IEP_4_12] = -1,
|
|
[DB8500_DMA_DEV36_USB_OTG_IEP_3_11] = -1,
|
|
[DB8500_DMA_DEV37_USB_OTG_IEP_2_10] = -1,
|
|
[DB8500_DMA_DEV38_USB_OTG_IEP_1_9] = -1,
|
|
/* PrimeCells */
|
|
[DB8500_DMA_DEV0_SPI0_RX] = -1,
|
|
[DB8500_DMA_DEV1_SD_MMC0_RX] = -1,
|
|
[DB8500_DMA_DEV2_SD_MMC1_RX] = -1,
|
|
[DB8500_DMA_DEV3_SD_MMC2_RX] = -1,
|
|
[DB8500_DMA_DEV8_SSP0_RX] = -1,
|
|
[DB8500_DMA_DEV9_SSP1_RX] = -1,
|
|
[DB8500_DMA_DEV11_UART2_RX] = -1,
|
|
[DB8500_DMA_DEV12_UART1_RX] = -1,
|
|
[DB8500_DMA_DEV13_UART0_RX] = -1,
|
|
[DB8500_DMA_DEV28_SD_MM2_RX] = -1,
|
|
[DB8500_DMA_DEV29_SD_MM0_RX] = -1,
|
|
[DB8500_DMA_DEV32_SD_MM1_RX] = -1,
|
|
[DB8500_DMA_DEV33_SPI2_RX] = -1,
|
|
[DB8500_DMA_DEV35_SPI1_RX] = -1,
|
|
[DB8500_DMA_DEV40_SPI3_RX] = -1,
|
|
[DB8500_DMA_DEV41_SD_MM3_RX] = -1,
|
|
[DB8500_DMA_DEV42_SD_MM4_RX] = -1,
|
|
[DB8500_DMA_DEV43_SD_MM5_RX] = -1,
|
|
[DB8500_DMA_DEV14_MSP2_RX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
|
|
[DB8500_DMA_DEV30_MSP3_RX] = U8500_MSP3_BASE + MSP_TX_RX_REG_OFFSET,
|
|
[DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
|
|
[DB8500_DMA_DEV48_CAC1_RX] = U8500_CRYP1_BASE + CRYP1_RX_REG_OFFSET,
|
|
};
|
|
|
|
/* 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,
|
|
.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
|
|
};
|
|
|
|
struct resource keypad_resources[] = {
|
|
[0] = {
|
|
.start = U8500_SKE_BASE,
|
|
.end = U8500_SKE_BASE + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_DB8500_KB,
|
|
.end = IRQ_DB8500_KB,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
struct platform_device u8500_ske_keypad_device = {
|
|
.name = "nmk-ske-keypad",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(keypad_resources),
|
|
.resource = keypad_resources,
|
|
};
|