ARM: 6130/1: Gemini: add support for Raidsonic IB4220

depends on patch # 6128, 6129

Add support for Nasbox IB4220 from Raidsonic.
supported devices on SoC
- GPIO with led und keys
- UART
- PFLASH, set fixed partition table

Signed-off-by: Janos Laube <janos.dev@gmail.com>
Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 119 insertions, 0 deletions

diff --git a/arch/arm/mach-gemini/Kconfig b/arch/arm/mach-gemini/Kconfig
index 799750032ef6..6f066ee4bf24 100644
--- a/arch/arm/mach-gemini/Kconfig
+++ b/arch/arm/mach-gemini/Kconfig
@@ -2,6 +2,13 @@ if ARCH_GEMINI
 
 menu "Cortina Systems Gemini Implementations"
 
+config MACH_NAS4220B
+        bool "Raidsonic NAS-4220-B"
+        select GEMINI_MEM_SWAP
+        help
+          Say Y here if you intend to run this kernel on a
+          Raidsonic NAS-4220-B.
+
 config MACH_RUT100
         bool "Teltonika RUT100"
         select GEMINI_MEM_SWAP
diff --git a/arch/arm/mach-gemini/Makefile b/arch/arm/mach-gemini/Makefile
index 8e02c471acd4..c5b24b95a76e 100644
--- a/arch/arm/mach-gemini/Makefile
+++ b/arch/arm/mach-gemini/Makefile
@@ -7,6 +7,7 @@
 obj-y                   := irq.o mm.o time.o devices.o gpio.o
 
 # Board-specific support
+obj-$(CONFIG_MACH_NAS4220B)     += board-nas4220b.o
 obj-$(CONFIG_MACH_RUT100)       += board-rut1xx.o
 obj-$(CONFIG_MACH_WBD111)       += board-wbd111.o
 obj-$(CONFIG_MACH_WBD222)       += board-wbd222.o
diff --git a/arch/arm/mach-gemini/board-nas4220b.c b/arch/arm/mach-gemini/board-nas4220b.c
new file mode 100644
index 000000000000..01f1d6daab44
--- /dev/null
+++ b/arch/arm/mach-gemini/board-nas4220b.c
@@ -0,0 +1,111 @@
+/*
+ *  Support for Raidsonic NAS-4220-B
+ *
+ *  Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
+ *
+ * based on rut1xx.c
+ *  Copyright (C) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/mdio-gpio.h>
+#include <linux/io.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/hardware.h>
+#include <mach/global_reg.h>
+
+#include "common.h"
+
+static struct sys_timer ib4220b_timer = {
+        .init   = gemini_timer_init,
+};
+
+static struct gpio_led ib4220b_leds[] = {
+        {
+                .name                   = "nas4220b:orange:hdd",
+                .default_trigger        = "none",
+                .gpio                   = 60,
+        },
+        {
+                .name                   = "nas4220b:green:os",
+                .default_trigger        = "heartbeat",
+                .gpio                   = 62,
+        },
+};
+
+static struct gpio_led_platform_data ib4220b_leds_data = {
+        .num_leds       = ARRAY_SIZE(ib4220b_leds),
+        .leds           = ib4220b_leds,
+};
+
+static struct platform_device ib4220b_led_device = {
+        .name   = "leds-gpio",
+        .id     = -1,
+        .dev    = {
+                .platform_data = &ib4220b_leds_data,
+        },
+};
+
+static struct gpio_keys_button ib4220b_keys[] = {
+        {
+                .code           = KEY_SETUP,
+                .gpio           = 61,
+                .active_low     = 1,
+                .desc           = "Backup Button",
+                .type           = EV_KEY,
+        },
+        {
+                .code           = KEY_RESTART,
+                .gpio           = 63,
+                .active_low     = 1,
+                .desc           = "Softreset Button",
+                .type           = EV_KEY,
+        },
+};
+
+static struct gpio_keys_platform_data ib4220b_keys_data = {
+        .buttons        = ib4220b_keys,
+        .nbuttons       = ARRAY_SIZE(ib4220b_keys),
+};
+
+static struct platform_device ib4220b_key_device = {
+        .name   = "gpio-keys",
+        .id     = -1,
+        .dev    = {
+                .platform_data = &ib4220b_keys_data,
+        },
+};
+
+static void __init ib4220b_init(void)
+{
+        gemini_gpio_init();
+        platform_register_uart();
+        platform_register_pflash(SZ_16M, NULL, 0);
+        platform_device_register(&ib4220b_led_device);
+        platform_device_register(&ib4220b_key_device);
+}
+
+MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
+        .phys_io        = 0x7fffc000,
+        .io_pg_offst    = ((0xffffc000) >> 18) & 0xfffc,
+        .boot_params    = 0x100,
+        .map_io         = gemini_map_io,
+        .init_irq       = gemini_init_irq,
+        .timer          = &ib4220b_timer,
+        .init_machine   = ib4220b_init,
+MACHINE_END