summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mx1/mach-mx1ads.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-mx1/mach-mx1ads.c')
-rw-r--r--arch/arm/mach-mx1/mach-mx1ads.c165
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/mach-mx1/mach-mx1ads.c b/arch/arm/mach-mx1/mach-mx1ads.c
new file mode 100644
index 000000000000..51f3cfd83db2
--- /dev/null
+++ b/arch/arm/mach-mx1/mach-mx1ads.c
@@ -0,0 +1,165 @@
+/*
+ * arch/arm/mach-imx/mach-mx1ads.c
+ *
+ * Initially based on:
+ * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
+ * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
+ *
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/i2c.h>
+#include <linux/i2c/pcf857x.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/i2c.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx1.h>
+#include <mach/irqs.h>
+
+#include "devices.h"
+
+static int mx1ads_pins[] = {
+ /* UART1 */
+ PC9_PF_UART1_CTS,
+ PC10_PF_UART1_RTS,
+ PC11_PF_UART1_TXD,
+ PC12_PF_UART1_RXD,
+ /* UART2 */
+ PB28_PF_UART2_CTS,
+ PB29_PF_UART2_RTS,
+ PB30_PF_UART2_TXD,
+ PB31_PF_UART2_RXD,
+ /* I2C */
+ PA15_PF_I2C_SDA,
+ PA16_PF_I2C_SCL,
+ /* SPI */
+ PC13_PF_SPI1_SPI_RDY,
+ PC14_PF_SPI1_SCLK,
+ PC15_PF_SPI1_SS,
+ PC16_PF_SPI1_MISO,
+ PC17_PF_SPI1_MOSI,
+};
+
+/*
+ * UARTs platform data
+ */
+
+static struct imxuart_platform_data uart_pdata[] = {
+ {
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .flags = IMXUART_HAVE_RTSCTS,
+ },
+};
+
+/*
+ * Physmap flash
+ */
+
+static struct physmap_flash_data mx1ads_flash_data = {
+ .width = 4, /* bankwidth in bytes */
+};
+
+static struct resource flash_resource = {
+ .start = IMX_CS0_PHYS,
+ .end = IMX_CS0_PHYS + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .resource = &flash_resource,
+ .num_resources = 1,
+};
+
+/*
+ * I2C
+ */
+static struct pcf857x_platform_data pcf857x_data[] = {
+ {
+ .gpio_base = 4 * 32,
+ }, {
+ .gpio_base = 4 * 32 + 16,
+ }
+};
+
+static struct imxi2c_platform_data mx1ads_i2c_data = {
+ .bitrate = 100000,
+};
+
+static struct i2c_board_info mx1ads_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("pcf8575", 0x22),
+ .platform_data = &pcf857x_data[0],
+ }, {
+ I2C_BOARD_INFO("pcf8575", 0x24),
+ .platform_data = &pcf857x_data[1],
+ },
+};
+
+/*
+ * Board init
+ */
+static void __init mx1ads_init(void)
+{
+ mxc_gpio_setup_multiple_pins(mx1ads_pins,
+ ARRAY_SIZE(mx1ads_pins), "mx1ads");
+
+ /* UART */
+ mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
+ mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
+
+ /* Physmap flash */
+ mxc_register_device(&flash_device, &mx1ads_flash_data);
+
+ /* I2C */
+ i2c_register_board_info(0, mx1ads_i2c_devices,
+ ARRAY_SIZE(mx1ads_i2c_devices));
+
+ mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
+}
+
+static void __init mx1ads_timer_init(void)
+{
+ mx1_clocks_init(32000);
+}
+
+struct sys_timer mx1ads_timer = {
+ .init = mx1ads_timer_init,
+};
+
+MACHINE_START(MX1ADS, "Freescale MX1ADS")
+ /* Maintainer: Sascha Hauer, Pengutronix */
+ .phys_io = IMX_IO_PHYS,
+ .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
+ .boot_params = MX1_PHYS_OFFSET + 0x100,
+ .map_io = mx1_map_io,
+ .init_irq = mx1_init_irq,
+ .timer = &mx1ads_timer,
+ .init_machine = mx1ads_init,
+MACHINE_END
+
+MACHINE_START(MXLADS, "Freescale MXLADS")
+ .phys_io = IMX_IO_PHYS,
+ .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
+ .boot_params = MX1_PHYS_OFFSET + 0x100,
+ .map_io = mx1_map_io,
+ .init_irq = mx1_init_irq,
+ .timer = &mx1ads_timer,
+ .init_machine = mx1ads_init,
+MACHINE_END