[ARM] Add Synertronixx scb9328 board support
authorSascha Hauer <s.hauer@pengutronix.de>
Wed, 28 Jan 2009 16:36:37 +0000 (17:36 +0100)
committerSascha Hauer <s.hauer@pengutronix.de>
Fri, 13 Mar 2009 09:34:16 +0000 (10:34 +0100)
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
arch/arm/mach-mx1/Kconfig
arch/arm/mach-mx1/Makefile
arch/arm/mach-mx1/scb9328.c [new file with mode: 0644]

index 2b59fc7..f86cfcb 100644 (file)
@@ -11,4 +11,8 @@ config ARCH_MX1ADS
        help
          Say Y here if you are using Motorola MX1ADS/MXLADS boards
 
+config MACH_SCB9328
+       bool "Synertronixx scb9328"
+       help
+         Say Y here if you are using a Synertronixx scb9328 board
 endif
index b969719..82f1309 100644 (file)
@@ -8,3 +8,4 @@ obj-y                   += generic.o clock.o devices.o
 
 # Specific board support
 obj-$(CONFIG_ARCH_MX1ADS) += mx1ads.o
+obj-$(CONFIG_MACH_SCB9328) += scb9328.o
\ No newline at end of file
diff --git a/arch/arm/mach-mx1/scb9328.c b/arch/arm/mach-mx1/scb9328.c
new file mode 100644 (file)
index 0000000..0e71f3f
--- /dev/null
@@ -0,0 +1,160 @@
+/*
+ * linux/arch/arm/mach-mx1/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.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[] = {
+       [0] = {
+               .name   = "address area",
+               .start  = IMX_CS5_PHYS,
+               .end    = IMX_CS5_PHYS + 1,
+               .flags  = IORESOURCE_MEM        /* address access */
+       },
+       [1] = {
+               .name   = "data area",
+               .start  = IMX_CS5_PHYS + 4,
+               .end    = IMX_CS5_PHYS + 5,
+               .flags  = IORESOURCE_MEM        /* data access */
+       },
+       [2] = {
+               .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         = mxc_map_io,
+       .init_irq       = mxc_init_irq,
+       .timer          = &scb9328_timer,
+       .init_machine   = scb9328_init,
+MACHINE_END