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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-ux500/devices-db8500.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-ux500/devices-db8500.c')
-rw-r--r--arch/arm/mach-ux500/devices-db8500.c187
1 files changed, 187 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
new file mode 100644
index 00000000000..a7c6cdc9b11
--- /dev/null
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -0,0 +1,187 @@
+/*
+ * 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 <plat/ste_dma40.h>
+
+#include <mach/hardware.h>
+#include <mach/setup.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,
+};
+
+/* 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,
+};
+
+/* 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,
+};