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-rw-r--r--arch/arm/mach-ux500/devices-db8500.c136
1 files changed, 136 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 0000000..23c695d5
--- /dev/null
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -0,0 +1,136 @@
+/*
+ * 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 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 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,
+ .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;
+}
+
+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,
+};
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