10 files changed, 207 insertions, 91 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
diff --git a/arch/arm/mach-ks8695/board-micrel.c b/arch/arm/mach-ks8695/board-micrel.c
index 0468e93b7d3b..8ceaf5ac6e2c 100644
--- a/arch/arm/mach-ks8695/board-micrel.c
+++ b/arch/arm/mach-ks8695/board-micrel.c
@@ -18,6 +18,7 @@
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
+#include <mach/gpio.h>
 #include <mach/devices.h>
 
 #include "generic.h"
@@ -39,6 +40,8 @@ static void __init micrel_init(void)
 {
         printk(KERN_INFO "Micrel KS8695 Development Board initializing\n");
 
+        ks8695_register_gpios();
+
 #ifdef CONFIG_PCI
         ks8695_init_pci(&micrel_pci);
 #endif
diff --git a/arch/arm/mach-ks8695/devices.c b/arch/arm/mach-ks8695/devices.c
index 4bd251482c8f..36ab0fd3d9b6 100644
--- a/arch/arm/mach-ks8695/devices.c
+++ b/arch/arm/mach-ks8695/devices.c
@@ -25,19 +25,20 @@
 #include <mach/regs-wan.h>
 #include <mach/regs-lan.h>
 #include <mach/regs-hpna.h>
+#include <mach/regs-switch.h>
+#include <mach/regs-misc.h>
 
 
 /* --------------------------------------------------------------------
  *  Ethernet
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_ARM_KS8695_ETHER) || defined(CONFIG_ARM_KS8695_ETHER_MODULE)
 static u64 eth_dmamask = 0xffffffffUL;
 
 static struct resource ks8695_wan_resources[] = {
         [0] = {
-                .start  = KS8695_WAN_VA,
-                .end    = KS8695_WAN_VA + 0x00ff,
+                .start  = KS8695_WAN_PA,
+                .end    = KS8695_WAN_PA + 0x00ff,
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
@@ -58,6 +59,12 @@ static struct resource ks8695_wan_resources[] = {
                 .end    = KS8695_IRQ_WAN_LINK,
                 .flags  = IORESOURCE_IRQ,
         },
+        [4] = {
+                .name   = "WAN PHY",
+                .start  = KS8695_MISC_PA,
+                .end    = KS8695_MISC_PA + 0x1f,
+                .flags  = IORESOURCE_MEM,
+        },
 };
 
 static struct platform_device ks8695_wan_device = {
@@ -74,8 +81,8 @@ static struct platform_device ks8695_wan_device = {
 
 static struct resource ks8695_lan_resources[] = {
         [0] = {
-                .start  = KS8695_LAN_VA,
-                .end    = KS8695_LAN_VA + 0x00ff,
+                .start  = KS8695_LAN_PA,
+                .end    = KS8695_LAN_PA + 0x00ff,
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
@@ -90,6 +97,12 @@ static struct resource ks8695_lan_resources[] = {
                 .end    = KS8695_IRQ_LAN_TX_STATUS,
                 .flags  = IORESOURCE_IRQ,
         },
+        [3] = {
+                .name   = "LAN SWITCH",
+                .start  = KS8695_SWITCH_PA,
+                .end    = KS8695_SWITCH_PA + 0x4f,
+                .flags  = IORESOURCE_MEM,
+        },
 };
 
 static struct platform_device ks8695_lan_device = {
@@ -106,8 +119,8 @@ static struct platform_device ks8695_lan_device = {
 
 static struct resource ks8695_hpna_resources[] = {
         [0] = {
-                .start  = KS8695_HPNA_VA,
-                .end    = KS8695_HPNA_VA + 0x00ff,
+                .start  = KS8695_HPNA_PA,
+                .end    = KS8695_HPNA_PA + 0x00ff,
                 .flags  = IORESOURCE_MEM,
         },
         [1] = {
@@ -149,18 +162,12 @@ void __init ks8696_add_device_hpna(void)
 {
         platform_device_register(&ks8695_hpna_device);
 }
-#else
-void __init ks8695_add_device_wan(void) {}
-void __init ks8695_add_device_lan(void) {}
-void __init ks8696_add_device_hpna(void) {}
-#endif
 
 
 /* --------------------------------------------------------------------
  *  Watchdog
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_KS8695_WATCHDOG) || defined(CONFIG_KS8695_WATCHDOG_MODULE)
 static struct platform_device ks8695_wdt_device = {
         .name           = "ks8695_wdt",
         .id             = -1,
@@ -171,9 +178,6 @@ static void __init ks8695_add_device_watchdog(void)
 {
         platform_device_register(&ks8695_wdt_device);
 }
-#else
-static void __init ks8695_add_device_watchdog(void) {}
-#endif
 
 
 /* --------------------------------------------------------------------
@@ -190,7 +194,7 @@ void __init ks8695_init_leds(u8 cpu_led, u8 timer_led)
         gpio_direction_output(cpu_led, 1);
         gpio_direction_output(timer_led, 1);
 
-        ks8695_leds_cpu   = cpu_led;
+        ks8695_leds_cpu   = cpu_led;
         ks8695_leds_timer = timer_led;
 }
 #else
diff --git a/arch/arm/mach-ks8695/gpio.c b/arch/arm/mach-ks8695/gpio.c
index 9aecf0c4b8b1..55fbf7111a5b 100644
--- a/arch/arm/mach-ks8695/gpio.c
+++ b/arch/arm/mach-ks8695/gpio.c
@@ -2,6 +2,8 @@
  * arch/arm/mach-ks8695/gpio.c
  *
  * Copyright (C) 2006 Andrew Victor
+ * Updated to GPIOLIB, 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
@@ -35,7 +37,7 @@
  * Configure a GPIO line for either GPIO function, or its internal
  * function (Interrupt, Timer, etc).
  */
-static void __init_or_module ks8695_gpio_mode(unsigned int pin, short gpio)
+static void ks8695_gpio_mode(unsigned int pin, short gpio)
 {
         unsigned int enable[] = { IOPC_IOEINT0EN, IOPC_IOEINT1EN, IOPC_IOEINT2EN, IOPC_IOEINT3EN, IOPC_IOTIM0EN, IOPC_IOTIM1EN };
         unsigned long x, flags;
@@ -61,7 +63,7 @@ static unsigned short gpio_irq[] = { KS8695_IRQ_EXTERN0, KS8695_IRQ_EXTERN1, KS8
 /*
  * Configure GPIO pin as external interrupt source.
  */
-int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type)
+int ks8695_gpio_interrupt(unsigned int pin, unsigned int type)
 {
         unsigned long x, flags;
 
@@ -94,7 +96,7 @@ EXPORT_SYMBOL(ks8695_gpio_interrupt);
 /*
  * Configure the GPIO line as an input.
  */
-int __init_or_module gpio_direction_input(unsigned int pin)
+static int ks8695_gpio_direction_input(struct gpio_chip *gc, unsigned int pin)
 {
         unsigned long x, flags;
 
@@ -115,13 +117,13 @@ int __init_or_module gpio_direction_input(unsigned int pin)
 
         return 0;
 }
-EXPORT_SYMBOL(gpio_direction_input);
 
 
 /*
  * Configure the GPIO line as an output, with default state.
  */
-int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state)
+static int ks8695_gpio_direction_output(struct gpio_chip *gc,
+                                        unsigned int pin, int state)
 {
         unsigned long x, flags;
 
@@ -150,13 +152,13 @@ int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state)
 
         return 0;
 }
-EXPORT_SYMBOL(gpio_direction_output);
 
 
 /*
  * Set the state of an output GPIO line.
  */
-void gpio_set_value(unsigned int pin, unsigned int state)
+static void ks8695_gpio_set_value(struct gpio_chip *gc,
+                                  unsigned int pin, int state)
 {
         unsigned long x, flags;
 
@@ -175,13 +177,12 @@ void gpio_set_value(unsigned int pin, unsigned int state)
 
         local_irq_restore(flags);
 }
-EXPORT_SYMBOL(gpio_set_value);
 
 
 /*
  * Read the state of a GPIO line.
  */
-int gpio_get_value(unsigned int pin)
+static int ks8695_gpio_get_value(struct gpio_chip *gc, unsigned int pin)
 {
         unsigned long x;
 
@@ -191,21 +192,18 @@ int gpio_get_value(unsigned int pin)
         x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD);
         return (x & IOPD(pin)) != 0;
 }
-EXPORT_SYMBOL(gpio_get_value);
 
 
 /*
  * Map GPIO line to IRQ number.
  */
-int gpio_to_irq(unsigned int pin)
+static int ks8695_gpio_to_irq(struct gpio_chip *gc, unsigned int pin)
 {
         if (pin > KS8695_GPIO_3)        /* only GPIO 0..3 can generate IRQ */
                 return -EINVAL;
 
         return gpio_irq[pin];
 }
-EXPORT_SYMBOL(gpio_to_irq);
-
 
 /*
  * Map IRQ number to GPIO line.
@@ -219,6 +217,26 @@ int irq_to_gpio(unsigned int irq)
 }
 EXPORT_SYMBOL(irq_to_gpio);
 
+/* GPIOLIB interface */
+
+static struct gpio_chip ks8695_gpio_chip = {
+        .label                  = "KS8695",
+        .direction_input        = ks8695_gpio_direction_input,
+        .direction_output       = ks8695_gpio_direction_output,
+        .get                    = ks8695_gpio_get_value,
+        .set                    = ks8695_gpio_set_value,
+        .to_irq                 = ks8695_gpio_to_irq,
+        .base                   = 0,
+        .ngpio                  = 16,
+        .can_sleep              = 0,
+};
+
+/* Register the GPIOs */
+void ks8695_register_gpios(void)
+{
+        if (gpiochip_add(&ks8695_gpio_chip))
+                printk(KERN_ERR "Unable to register core GPIOs\n");
+}
 
 /* .... Debug interface ..................................................... */
 
diff --git a/arch/arm/mach-ks8695/include/mach/dma.h b/arch/arm/mach-ks8695/include/mach/dma.h
deleted file mode 100644
index 561206280089..000000000000
--- a/arch/arm/mach-ks8695/include/mach/dma.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * arch/arm/mach-ks8695/include/mach/dma.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
diff --git a/arch/arm/mach-ks8695/include/mach/gpio.h b/arch/arm/mach-ks8695/include/mach/gpio.h
index d4af5c335f16..86312d476bc6 100644
--- a/arch/arm/mach-ks8695/include/mach/gpio.h
+++ b/arch/arm/mach-ks8695/include/mach/gpio.h
@@ -30,53 +30,28 @@
 #define KS8695_GPIO_14          14
 #define KS8695_GPIO_15          15
 
-
 /*
  * Configure GPIO pin as external interrupt source.
  */
-int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
-
-/*
- * Configure the GPIO line as an input.
- */
-int __init_or_module gpio_direction_input(unsigned int pin);
-
-/*
- * Configure the GPIO line as an output, with default state.
- */
-int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state);
-
-/*
- * Set the state of an output GPIO line.
- */
-void gpio_set_value(unsigned int pin, unsigned int state);
-
-/*
- * Read the state of a GPIO line.
- */
-int gpio_get_value(unsigned int pin);
-
-/*
- * Map GPIO line to IRQ number.
- */
-int gpio_to_irq(unsigned int pin);
+extern int ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
 
 /*
  * Map IRQ number to GPIO line.
  */
-int irq_to_gpio(unsigned int irq);
-
+extern int irq_to_gpio(unsigned int irq);
 
 #include <asm-generic/gpio.h>
 
-static inline int gpio_request(unsigned int pin, const char *label)
-{
-        return 0;
-}
+/* If it turns out that we need to optimise GPIO access for the
+ * Micrel's GPIOs, then these can be changed to check their argument
+ * directly as static inlines. However for now it's probably not
+ * worthwhile.
+ */
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_to_irq __gpio_to_irq
 
-static inline void gpio_free(unsigned int pin)
-{
-        might_sleep();
-}
+/* Register the GPIOs */
+extern void ks8695_register_gpios(void);
 
 #endif
diff --git a/arch/arm/mach-ks8695/include/mach/io.h b/arch/arm/mach-ks8695/include/mach/io.h
index f364f24ffe1e..a7a63ac3ba4e 100644
--- a/arch/arm/mach-ks8695/include/mach/io.h
+++ b/arch/arm/mach-ks8695/include/mach/io.h
@@ -13,7 +13,7 @@
 
 #define IO_SPACE_LIMIT          0xffffffff
 
-#define __io(a)                 ((void __iomem *)(a))
-#define __mem_pci(a)            (a)
+#define __io(a)         __typesafe_io(a)
+#define __mem_pci(a)    (a)
 
 #endif
diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h
index 8fbc4c76c38b..6d5887cf5742 100644
--- a/arch/arm/mach-ks8695/include/mach/memory.h
+++ b/arch/arm/mach-ks8695/include/mach/memory.h
@@ -37,11 +37,6 @@ extern struct bus_type platform_bus_type;
                                         (dma_addr_t)__virt_to_phys(x) : (dma_addr_t)__virt_to_bus(x); })
 #define __arch_page_to_dma(dev, x)      __arch_virt_to_dma(dev, page_address(x))
 
-#else
-
-#define __virt_to_bus(x)        __virt_to_phys(x)
-#define __bus_to_virt(x)        __phys_to_virt(x)
-
 #endif
 
 #endif