From 6174dee5146dc2c7eca8f103b85be168dc564ffb Mon Sep 17 00:00:00 2001
From: Daniel Silverstone <dsilvers@simtec.co.uk>
Date: Sat, 13 Dec 2008 20:44:15 +0000
Subject: [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>
---
 arch/arm/mach-ks8695/Kconfig        |   6 ++
 arch/arm/mach-ks8695/Makefile       |   1 +
 arch/arm/mach-ks8695/board-dsm320.c | 131 ++++++++++++++++++++++++++++++++++++
 3 files changed, 138 insertions(+)
 create mode 100644 arch/arm/mach-ks8695/board-dsm320.c

(limited to 'arch/arm/mach-ks8695')

diff --git a/arch/arm/mach-ks8695/Kconfig b/arch/arm/mach-ks8695/Kconfig
index ce1cf8de2b4..2754daabda5 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 ade42b73afb..f735d2cc029 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 00000000000..521ff0789f3
--- /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
-- 
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