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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-imx/mach-scb9328.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-imx/mach-scb9328.c')
-rw-r--r--arch/arm/mach-imx/mach-scb9328.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-scb9328.c b/arch/arm/mach-imx/mach-scb9328.c
new file mode 100644
index 00000000000..cb9ceae2f64
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+++ b/arch/arm/mach-imx/mach-scb9328.c
@@ -0,0 +1,148 @@
+/*
+ * 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/iomux-mx1.h>
+
+#include "devices-imx1.h"
+
+/*
+ * This scb9328 has a 32MiB flash
+ */
+static struct resource flash_resource = {
+ .start = MX1_CS0_PHYS,
+ .end = MX1_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 = MX1_CS5_PHYS,
+ .end = MX1_CS5_PHYS + 1,
+ .flags = IORESOURCE_MEM, /* address access */
+ }, {
+ .name = "data area",
+ .start = MX1_CS5_PHYS + 4,
+ .end = MX1_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 const int mxc_uart1_pins[] = {
+ PC9_PF_UART1_CTS,
+ PC10_PF_UART1_RTS,
+ PC11_PF_UART1_TXD,
+ PC12_PF_UART1_RXD,
+};
+
+static const struct imxuart_platform_data uart_pdata __initconst = {
+ .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)
+{
+ imx1_soc_init();
+
+ mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins), "UART1");
+
+ imx1_add_imx_uart0(&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 */
+ .atag_offset = 100,
+ .map_io = mx1_map_io,
+ .init_early = imx1_init_early,
+ .init_irq = mx1_init_irq,
+ .handle_irq = imx1_handle_irq,
+ .timer = &scb9328_timer,
+ .init_machine = scb9328_init,
+ .restart = mxc_restart,
+MACHINE_END