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-rw-r--r--arch/arm/mach-mx1/mach-scb9328.c158
1 files changed, 158 insertions, 0 deletions
diff --git a/arch/arm/mach-mx1/mach-scb9328.c b/arch/arm/mach-mx1/mach-scb9328.c
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+++ b/arch/arm/mach-mx1/mach-scb9328.c
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+/*
+ * linux/arch/arm/mach-mx1/mach-scb9328.c
+ *
+ * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
+ * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/interrupt.h>
+#include <linux/dm9000.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/irqs.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx1.h>
+
+#include "devices.h"
+
+/*
+ * This scb9328 has a 32MiB flash
+ */
+static struct resource flash_resource = {
+ .start = IMX_CS0_PHYS,
+ .end = IMX_CS0_PHYS + (32 * 1024 * 1024) - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct physmap_flash_data scb_flash_data = {
+ .width = 2,
+};
+
+static struct platform_device scb_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &scb_flash_data,
+ },
+ .resource = &flash_resource,
+ .num_resources = 1,
+};
+
+/*
+ * scb9328 has a DM9000 network controller
+ * connected to CS5, with 16 bit data path
+ * and interrupt connected to GPIO 3
+ */
+
+/*
+ * internal datapath is fixed 16 bit
+ */
+static struct dm9000_plat_data dm9000_platdata = {
+ .flags = DM9000_PLATF_16BITONLY,
+};
+
+/*
+ * the DM9000 drivers wants two defined address spaces
+ * to gain access to address latch registers and the data path.
+ */
+static struct resource dm9000x_resources[] = {
+ {
+ .name = "address area",
+ .start = IMX_CS5_PHYS,
+ .end = IMX_CS5_PHYS + 1,
+ .flags = IORESOURCE_MEM, /* address access */
+ }, {
+ .name = "data area",
+ .start = IMX_CS5_PHYS + 4,
+ .end = IMX_CS5_PHYS + 5,
+ .flags = IORESOURCE_MEM, /* data access */
+ }, {
+ .start = IRQ_GPIOC(3),
+ .end = IRQ_GPIOC(3),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+ },
+};
+
+static struct platform_device dm9000x_device = {
+ .name = "dm9000",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(dm9000x_resources),
+ .resource = dm9000x_resources,
+ .dev = {
+ .platform_data = &dm9000_platdata,
+ }
+};
+
+static int mxc_uart1_pins[] = {
+ PC9_PF_UART1_CTS,
+ PC10_PF_UART1_RTS,
+ PC11_PF_UART1_TXD,
+ PC12_PF_UART1_RXD,
+};
+
+static int uart1_mxc_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins), "UART1");
+}
+
+static int uart1_mxc_exit(struct platform_device *pdev)
+{
+ mxc_gpio_release_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins));
+ return 0;
+}
+
+static struct imxuart_platform_data uart_pdata = {
+ .init = uart1_mxc_init,
+ .exit = uart1_mxc_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &scb_flash_device,
+ &dm9000x_device,
+};
+
+/*
+ * scb9328_init - Init the CPU card itself
+ */
+static void __init scb9328_init(void)
+{
+ mxc_register_device(&imx_uart1_device, &uart_pdata);
+
+ printk(KERN_INFO"Scb9328: Adding devices\n");
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+static void __init scb9328_timer_init(void)
+{
+ mx1_clocks_init(32000);
+}
+
+static struct sys_timer scb9328_timer = {
+ .init = scb9328_timer_init,
+};
+
+MACHINE_START(SCB9328, "Synertronixx scb9328")
+ /* Sascha Hauer */
+ .phys_io = 0x00200000,
+ .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc,
+ .boot_params = 0x08000100,
+ .map_io = mx1_map_io,
+ .init_irq = mx1_init_irq,
+ .timer = &scb9328_timer,
+ .init_machine = scb9328_init,
+MACHINE_END