1 files changed, 161 insertions, 0 deletions
diff --git a/arch/arm/mach-mx23/serial.c b/arch/arm/mach-mx23/serial.c
new file mode 100644
index 000000000000..85a08cdc8c1b
--- /dev/null
+++ b/arch/arm/mach-mx23/serial.c
@@ -0,0 +1,161 @@
+/*
+  * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * This program is free software; you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License as published by
+  * the Free Software Foundation; either version 2 of the License, or
+  * (at your option) any later version.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License along
+  * with this program; if not, write to the Free Software Foundation, Inc.,
+  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+  */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+
+#include <mach/hardware.h>
+#include <mach/device.h>
+#include <mach/dma.h>
+#include "device.h"
+
+#if defined(CONFIG_SERIAL_MXS_AUART) || \
+	defined(CONFIG_SERIAL_MXS_AUART_MODULE)
+
+#ifdef CONFIG_MXS_AUART1_DEVICE_ENABLE
+static struct resource auart1_resource[] = {
+	{
+	 .flags = IORESOURCE_MEM,
+	 .start = AUART1_PHYS_ADDR,
+	 .end	= AUART1_PHYS_ADDR + 0xFFF,
+	 },
+	{
+	 .flags = IORESOURCE_DMA,
+	 .start = MXS_DMA_CHANNEL_AHB_APBX_UART1_RX,
+	 .end = MXS_DMA_CHANNEL_AHB_APBX_UART1_RX,
+	 },
+	{
+	 .flags = IORESOURCE_DMA,
+	 .start = MXS_DMA_CHANNEL_AHB_APBX_UART1_TX,
+	 .end = MXS_DMA_CHANNEL_AHB_APBX_UART1_TX,
+	 },
+	{
+	 .flags = IORESOURCE_IRQ,
+	 .start = IRQ_UARTAPP_INTERNAL,
+	 .end	= IRQ_UARTAPP_INTERNAL,
+	 },
+	{
+	 .flags = IORESOURCE_IRQ,
+	 .start = IRQ_UARTAPP_RX_DMA,
+	 .end	= IRQ_UARTAPP_RX_DMA,
+	 },
+	{
+	 .flags = IORESOURCE_IRQ,
+	 .start = IRQ_UARTAPP_TX_DMA,
+	 .end	= IRQ_UARTAPP_TX_DMA,
+	 },
+};
+
+static struct mxs_auart_plat_data mxs_auart1_platdata = {
+	.fifo_size = 16,
+#ifdef CONFIG_MXS_AUART1_DMA_ENABLE
+	.dma_mode = 1,
+#endif
+	.dma_rx_buffer_size = 8,
+	.timeout = HZ,
+};
+#endif
+
+#ifdef CONFIG_MXS_AUART2_DEVICE_ENABLE
+static struct resource auart2_resource[] = {
+	{
+	 .flags = IORESOURCE_MEM,
+	 .start = AUART2_PHYS_ADDR,
+	 .end	= AUART2_PHYS_ADDR + 0xFFF,
+	 },
+	{
+	 .flags = IORESOURCE_DMA,
+	 .start = MXS_DMA_CHANNEL_AHB_APBX_UART2_RX,
+	 .end = MXS_DMA_CHANNEL_AHB_APBX_UART2_RX,
+	 },
+	{
+	 .flags = IORESOURCE_DMA,
+	 .start = MXS_DMA_CHANNEL_AHB_APBX_UART2_TX,
+	 .end = MXS_DMA_CHANNEL_AHB_APBX_UART2_TX,
+	 },
+	{
+	 .flags = IORESOURCE_IRQ,
+	 .start = IRQ_UARTAPP2_INTERNAL,
+	 .end	= IRQ_UARTAPP2_INTERNAL,
+	 },
+	{
+	 .flags = IORESOURCE_IRQ,
+	 .start = IRQ_UARTAPP2_RX_DMA,
+	 .end	= IRQ_UARTAPP2_RX_DMA,
+	 },
+	{
+	 .flags = IORESOURCE_IRQ,
+	 .start = IRQ_UARTAPP2_TX_DMA,
+	 .end	= IRQ_UARTAPP2_TX_DMA,
+	 },
+};
+
+static struct mxs_auart_plat_data mxs_auart2_platdata = {
+	.fifo_size = 16,
+#ifdef CONFIG_MXS_AUART2_DMA_ENABLE
+	.dma_mode = 1,
+#endif
+	.dma_rx_buffer_size = 8,
+	.timeout = HZ,
+};
+#endif
+
+void __init mx23_init_auart(void)
+{
+	int i;
+	struct mxs_dev_lookup *plookup;
+	struct platform_device *pdev;
+
+	plookup = mxs_get_devices("mxs-auart");
+	if (plookup == NULL || IS_ERR(plookup))
+		return;
+	for (i = 0; i < plookup->size; i++) {
+		pdev = plookup->pdev + i;
+		switch (pdev->id) {
+#ifdef CONFIG_MXS_AUART1_DEVICE_ENABLE
+		case 1:
+			pdev->resource = auart1_resource;
+			pdev->num_resources = ARRAY_SIZE(auart1_resource);
+			pdev->dev.platform_data = &mxs_auart1_platdata;
+			break;
+#endif
+#ifdef CONFIG_MXS_AUART2_DEVICE_ENABLE
+		case 2:
+			pdev->resource = auart2_resource;
+			pdev->num_resources = ARRAY_SIZE(auart2_resource);
+			pdev->dev.platform_data = &mxs_auart2_platdata;
+			break;
+#endif
+		default:
+			break;
+		}
+		mxs_add_device(pdev, 3);
+	}
+}
+#else
+void __init mx23_init_auart(void)
+{
+}
+#endif