[ARM] DSM320: Add support for the DSM320

Add support for the D-Link DSM-320 Wireless Media Player which is
based on the Micrel KS8695 SoC.

Signed-off-by: Daniel Silverstone <dsilvers@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

3 files changed, 138 insertions, 0 deletions

diff --git a/arch/arm/mach-ks8695/Kconfig b/arch/arm/mach-ks8695/Kconfig
index ce1cf8de2b4d..2754daabda55 100644
--- a/arch/arm/mach-ks8695/Kconfig
+++ b/arch/arm/mach-ks8695/Kconfig
@@ -8,6 +8,12 @@ config MACH_KS8695
           Say 'Y' here if you want your kernel to run on the original
           Kendin-Micrel KS8695 development board.
 
+config MACH_DSM320
+        bool "DSM-320 Wireless Media Player"
+        help
+          Say 'Y' here if you want your kernel to run on the D-Link
+          DSM-320 Wireless Media Player.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-ks8695/Makefile b/arch/arm/mach-ks8695/Makefile
index ade42b73afbb..f735d2cc0294 100644
--- a/arch/arm/mach-ks8695/Makefile
+++ b/arch/arm/mach-ks8695/Makefile
@@ -16,3 +16,4 @@ obj-$(CONFIG_LEDS)		+= leds.o
 
 # Board-specific support
 obj-$(CONFIG_MACH_KS8695)       += board-micrel.o
+obj-$(CONFIG_MACH_DSM320)       += board-dsm320.o
diff --git a/arch/arm/mach-ks8695/board-dsm320.c b/arch/arm/mach-ks8695/board-dsm320.c
new file mode 100644
index 000000000000..521ff0789f39
--- /dev/null
+++ b/arch/arm/mach-ks8695/board-dsm320.c
@@ -0,0 +1,131 @@
+/*
+ * arch/arm/mach-ks8695/board-dsm320.c
+ *
+ * DSM-320 D-Link Wireless Media Player, board support.
+ *
+ * Copyright 2008 Simtec Electronics
+ *                Daniel Silverstone <dsilvers@simtec.co.uk>
+ *
+ * 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/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/devices.h>
+#include <mach/gpio.h>
+
+#include "generic.h"
+
+#ifdef CONFIG_PCI
+static int dsm320_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+        switch (slot) {
+        case 0:
+                /* PCI-AHB bridge? */
+                return KS8695_IRQ_EXTERN0;
+        case 18:
+                /* Mini PCI slot */
+                return KS8695_IRQ_EXTERN2;
+        case 20:
+                /* RealMAGIC chip */
+                return KS8695_IRQ_EXTERN0;
+        }
+        BUG();
+}
+
+static struct ks8695_pci_cfg __initdata dsm320_pci = {
+        .mode           = KS8695_MODE_MINIPCI,
+        .map_irq        = dsm320_pci_map_irq,
+};
+
+static void __init dsm320_register_pci(void)
+{
+        /* Initialise the GPIO lines for interrupt mode */
+        /* RealMAGIC */
+        ks8695_gpio_interrupt(KS8695_GPIO_0, IRQ_TYPE_LEVEL_LOW);
+        /* MiniPCI Slot */
+        ks8695_gpio_interrupt(KS8695_GPIO_2, IRQ_TYPE_LEVEL_LOW);
+
+        ks8695_init_pci(&dsm320_pci);
+}
+
+#else
+static inline void __init dsm320_register_pci(void) { }
+#endif
+
+static struct physmap_flash_data dsm320_nor_pdata = {
+        .width          = 4,
+        .nr_parts       = 0,
+};
+
+static struct resource dsm320_nor_resource[] = {
+        [0] = {
+                .start = SZ_32M, /* We expect the bootloader to map
+                                  * the flash here.
+                                  */
+                .end   = SZ_32M + SZ_4M - 1,
+                .flags = IORESOURCE_MEM,
+        }
+};
+
+static struct platform_device dsm320_device_nor = {
+        .name           = "physmap-flash",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(dsm320_nor_resource),
+        .resource       = dsm320_nor_resource,
+        .dev            = {
+                .platform_data = &dsm320_nor_pdata,
+        },
+};
+
+void __init dsm320_register_nor(void)
+{
+        int ret;
+
+        ret = platform_device_register(&dsm320_device_nor);
+        if (ret < 0)
+                printk(KERN_ERR "failed to register physmap-flash device\n");
+}
+
+static void __init dsm320_init(void)
+{
+        /* GPIO registration */
+        ks8695_register_gpios();
+
+        /* PCI registration */
+        dsm320_register_pci();
+
+        /* Network device */
+        ks8695_add_device_lan();        /* eth0 = LAN */
+
+        /* NOR devices */
+        dsm320_register_nor();
+}
+
+MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player")
+        /* Maintainer: Simtec Electronics. */
+        .phys_io        = KS8695_IO_PA,
+        .io_pg_offst    = (KS8695_IO_VA >> 18) & 0xfffc,
+        .boot_params    = KS8695_SDRAM_PA + 0x100,
+        .map_io         = ks8695_map_io,
+        .init_irq       = ks8695_init_irq,
+        .init_machine   = dsm320_init,
+        .timer          = &ks8695_timer,
+MACHINE_END