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Commit 555a3656 authored by Herbert Valerio Riedel's avatar Herbert Valerio Riedel Committed by Russell King
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[ARM] Orion: add support for Orion/MV88F5181 based D-Link DNS-323 



With this patch USB, SATA (via sata_mv), Ethernet, RTC, LEDs and NOR Flash
work.

Signed-off-by: default avatarHerbert Valerio Riedel <hvr@gnu.org>
Acked-by: default avatarTzachi Perelstein <tzachi@marvell.com>
Acked-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent c9e3de94

arch/arm/mach-orion/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -23,6 +23,13 @@ config MACH_KUROBOX_PRO 
	  Say 'Y' here if you want your kernel to support the

	  KuroBox Pro platform.



config MACH_DNS323

	bool "D-Link DNS-323"

	select I2C_BOARDINFO

	help

	  Say 'Y' here if you want your kernel to support the

	  D-Link DNS-323 platform.



endmenu



endif

arch/arm/mach-orion/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -2,3 +2,4 @@ obj-y += common.o addr-map.o pci.o gpio.o irq.o time.o 
obj-$(CONFIG_MACH_DB88F5281)	+= db88f5281-setup.o

obj-$(CONFIG_MACH_RD88F5182)	+= rd88f5182-setup.o

obj-$(CONFIG_MACH_KUROBOX_PRO)	+= kurobox_pro-setup.o

obj-$(CONFIG_MACH_DNS323)	+= dns323-setup.o

arch/arm/mach-orion/dns323-setup.c

0 → 100644
+322 −0
Original line number Diff line number Diff line 
/*

 * arch/arm/mach-orion/dns323-setup.c

 *

 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU Lesser 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/pci.h>

#include <linux/irq.h>

#include <linux/mtd/physmap.h>

#include <linux/mv643xx_eth.h>

#include <linux/leds.h>

#include <linux/gpio_keys.h>

#include <linux/input.h>

#include <linux/i2c.h>

#include <asm/mach-types.h>

#include <asm/gpio.h>

#include <asm/mach/arch.h>

#include <asm/mach/pci.h>

#include <asm/arch/orion.h>

#include <asm/arch/platform.h>

#include "common.h"



#define DNS323_GPIO_LED_RIGHT_AMBER	1

#define DNS323_GPIO_LED_LEFT_AMBER	2

#define DNS323_GPIO_LED_POWER		5

#define DNS323_GPIO_OVERTEMP		6

#define DNS323_GPIO_RTC			7

#define DNS323_GPIO_POWER_OFF		8

#define DNS323_GPIO_KEY_POWER		9

#define DNS323_GPIO_KEY_RESET		10



/****************************************************************************

 * PCI setup

 */



static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)

{

	/* PCI-E */

	if (dev->bus->number == orion_pcie_local_bus_nr())

		return IRQ_ORION_PCIE0_INT;



	pr_err("%s: requested mapping for unknown bus\n", __func__);



	return -1;

}



static struct hw_pci dns323_pci __initdata = {

	.nr_controllers = 1,

	.swizzle	= pci_std_swizzle,

	.setup		= orion_pci_sys_setup,

	.scan		= orion_pci_sys_scan_bus,

	.map_irq	= dns323_pci_map_irq,

};



static int __init dns323_pci_init(void)

{

	if (machine_is_dns323())

		pci_common_init(&dns323_pci);



	return 0;

}



subsys_initcall(dns323_pci_init);



/****************************************************************************

 * Ethernet

 */



static struct mv643xx_eth_platform_data dns323_eth_data = {

	.phy_addr = 8,

	.force_phy_addr = 1,

};



/****************************************************************************

 * 8MiB NOR flash (Spansion S29GL064M90TFIR4)

 *

 * Layout as used by D-Link:

 *  0x00000000-0x00010000 : "MTD1"

 *  0x00010000-0x00020000 : "MTD2"

 *  0x00020000-0x001a0000 : "Linux Kernel"

 *  0x001a0000-0x007d0000 : "File System"

 *  0x007d0000-0x00800000 : "u-boot"

 */



#define DNS323_NOR_BOOT_BASE 0xf4000000

#define DNS323_NOR_BOOT_SIZE SZ_8M



static struct mtd_partition dns323_partitions[] = {

	{

		.name	= "MTD1",

		.size	= 0x00010000,

		.offset	= 0,

	}, {

		.name	= "MTD2",

		.size	= 0x00010000,

		.offset = 0x00010000,

	}, {

		.name	= "Linux Kernel",

		.size	= 0x00180000,

		.offset	= 0x00020000,

	}, {

		.name	= "File System",

		.size	= 0x00630000,

		.offset	= 0x001A0000,

	}, {

		.name	= "u-boot",

		.size	= 0x00030000,

		.offset	= 0x007d0000,

	}

};



static struct physmap_flash_data dns323_nor_flash_data = {

	.width		= 1,

	.parts		= dns323_partitions,

	.nr_parts	= ARRAY_SIZE(dns323_partitions)

};



static struct resource dns323_nor_flash_resource = {

	.flags		= IORESOURCE_MEM,

	.start		= DNS323_NOR_BOOT_BASE,

	.end		= DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,

};



static struct platform_device dns323_nor_flash = {

	.name		= "physmap-flash",

	.id		= 0,

	.dev		= { .platform_data = &dns323_nor_flash_data, },

	.resource	= &dns323_nor_flash_resource,

	.num_resources	= 1,

};



/****************************************************************************

 * GPIO LEDs (simple - doesn't use hardware blinking support)

 */



static struct gpio_led dns323_leds[] = {

	{

		.name = "power:blue",

		.gpio = DNS323_GPIO_LED_POWER,

		.active_low = 1,

	}, {

		.name = "right:amber",

		.gpio = DNS323_GPIO_LED_RIGHT_AMBER,

		.active_low = 1,

	}, {

		.name = "left:amber",

		.gpio = DNS323_GPIO_LED_LEFT_AMBER,

		.active_low = 1,

	},

};



static struct gpio_led_platform_data dns323_led_data = {

	.num_leds	= ARRAY_SIZE(dns323_leds),

	.leds		= dns323_leds,

};



static struct platform_device dns323_gpio_leds = {

	.name		= "leds-gpio",

	.id		= -1,

	.dev		= { .platform_data = &dns323_led_data, },

};



/****************************************************************************

 * GPIO Attached Keys

 */



static struct gpio_keys_button dns323_buttons[] = {

	{

		.code		= KEY_RESTART,

		.gpio		= DNS323_GPIO_KEY_RESET,

		.desc		= "Reset Button",

		.active_low	= 1,

	},

	{

		.code		= KEY_POWER,

		.gpio		= DNS323_GPIO_KEY_POWER,

		.desc		= "Power Button",

		.active_low	= 1,

	}

};



static struct gpio_keys_platform_data dns323_button_data = {

	.buttons	= dns323_buttons,

	.nbuttons       = ARRAY_SIZE(dns323_buttons),

};



static struct platform_device dns323_button_device = {

	.name		= "gpio-keys",

	.id		= -1,

	.num_resources	= 0,

	.dev		= { .platform_data  = &dns323_button_data, },

};



/****************************************************************************

 * General Setup

 */



static struct platform_device *dns323_plat_devices[] __initdata = {

	&dns323_nor_flash,

	&dns323_gpio_leds,

	&dns323_button_device,

};



/*

 * On the DNS-323 the following devices are attached via I2C:

 *

 *  i2c addr | chip        | description

 *  0x3e     | GMT G760Af  | fan speed PWM controller

 *  0x48     | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)

 *  0x68     | ST M41T80   | RTC w/ alarm

 */

static struct i2c_board_info __initdata dns323_i2c_devices[] = {

	{

		I2C_BOARD_INFO("g760a", 0x3e),

		.type = "g760a",

	},

#if 0

	/* this entry requires the new-style driver model lm75 driver,

	 * for the meantime "insmod lm75.ko force_lm75=0,0x48" is needed */

	{

		I2C_BOARD_INFO("lm75", 0x48),

		.type = "g751",

	},

#endif

	{

		I2C_BOARD_INFO("rtc-m41t80", 0x68),

		.type = "m41t80",

	}

};



/* DNS-323 specific power off method */

static void dns323_power_off(void)

{

	pr_info("%s: triggering power-off...\n", __func__);

	gpio_set_value(DNS323_GPIO_POWER_OFF, 1);

}



static void __init dns323_init(void)

{

	/* Setup basic Orion functions. Need to be called early. */

	orion_init();



	/* setup flash mapping

	 * CS3 holds a 8 MB Spansion S29GL064M90TFIR4

	 */

	orion_setup_cpu_win(ORION_DEV_BOOT, DNS323_NOR_BOOT_BASE,

			    DNS323_NOR_BOOT_SIZE, -1);



	/* DNS-323 has a Marvell 88X7042 SATA controller attached via PCIE

	 *

	 * Open a special address decode windows for the PCIE WA.

	 */

	orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);

	orion_write(ORION_REGS_BASE | 0x20070,

		    (0x7941 | (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));



	/* set MPP to 0 as D-Link's 2.6.12.6 kernel did */

	orion_write(MPP_0_7_CTRL, 0);

	orion_write(MPP_8_15_CTRL, 0);

	orion_write(MPP_16_19_CTRL, 0);

	orion_write(MPP_DEV_CTRL, 0);



	/* Define used GPIO pins



	  GPIO Map:



	  |  0 |     | PEX_RST_OUT (not controlled by GPIO)

	  |  1 | Out | right amber LED (= sata ch0 LED)  (low-active)

	  |  2 | Out | left  amber LED (= sata ch1 LED)  (low-active)

	  |  3 | Out | //unknown//

	  |  4 | Out | power button LED (low-active, together with pin #5)

	  |  5 | Out | power button LED (low-active, together with pin #4)

	  |  6 | In  | GMT G751-2f overtemp. shutdown signal (low-active)

	  |  7 | In  | M41T80 nIRQ/OUT/SQW signal

	  |  8 | Out | triggers power off (high-active)

	  |  9 | In  | power button switch (low-active)

	  | 10 | In  | reset button switch (low-active)

	  | 11 | Out | //unknown//

	  | 12 | Out | //unknown//

	  | 13 | Out | //unknown//

	  | 14 | Out | //unknown//

	  | 15 | Out | //unknown//

	*/

	orion_gpio_set_valid_pins(0x07f6);



	/* register dns323 specific power-off method */

	if ((gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0)

	    || (gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0))

		pr_err("DNS323: failed to setup power-off GPIO\n");



	pm_power_off = dns323_power_off;



	/* register flash and other platform devices */

	platform_add_devices(dns323_plat_devices,

			     ARRAY_SIZE(dns323_plat_devices));



	i2c_register_board_info(0, dns323_i2c_devices,

				ARRAY_SIZE(dns323_i2c_devices));



	orion_eth_init(&dns323_eth_data);

}



/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */

MACHINE_START(DNS323, "D-Link DNS-323")

	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */

	.phys_io	= ORION_REGS_BASE,

	.io_pg_offst	= ((ORION_REGS_BASE) >> 18) & 0xFFFC,

	.boot_params	= 0x00000100,

	.init_machine	= dns323_init,

	.map_io		= orion_map_io,

	.init_irq	= orion_init_irq,

	.timer		= &orion_timer,

MACHINE_END