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Commit 7ec753cc authored by Sylver Bruneau's avatar Sylver Bruneau Committed by Lennert Buytenhek
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[ARM] Orion: add Maxtor Shared Storage II support 



This patch adds support for the Maxtor Shared Storage II hardware.

Signed-off-by: default avatarSylver Bruneau <sylver.bruneau@googlemail.com>
Signed-off-by: default avatarLennert Buytenhek <buytenh@marvell.com>
parent 7171d867

arch/arm/mach-orion5x/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -68,6 +68,12 @@ config MACH_MV2120 
	  Say 'Y' here if you want your kernel to support the

	  HP Media Vault mv2120 or mv5100.



config MACH_MSS2

	bool "Maxtor Shared Storage II"

	help

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

	  Maxtor Shared Storage II platform.



endmenu



endif

arch/arm/mach-orion5x/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -9,3 +9,4 @@ obj-$(CONFIG_MACH_TS409) += ts409-setup.o tsx09-common.o 
obj-$(CONFIG_MACH_WRT350N_V2)	+= wrt350n-v2-setup.o

obj-$(CONFIG_MACH_TS78XX)	+= ts78xx-setup.o

obj-$(CONFIG_MACH_MV2120)	+= mv2120-setup.o

obj-$(CONFIG_MACH_MSS2)		+= mss2-setup.o

arch/arm/mach-orion5x/mss2-setup.c

0 → 100644
+270 −0
Original line number Diff line number Diff line 
/*

 * Maxtor Shared Storage II Board Setup

 *

 * Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com>

 *

 * 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/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 <linux/ata_platform.h>

#include <linux/gpio.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/pci.h>

#include <asm/arch/orion5x.h>

#include "common.h"

#include "mpp.h"



#define MSS2_NOR_BOOT_BASE	0xff800000

#define MSS2_NOR_BOOT_SIZE	SZ_256K



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

 * Maxtor Shared Storage II Info

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



/*

 * Maxtor Shared Storage II hardware :

 * - Marvell 88F5182-A2 C500

 * - Marvell 88E1111 Gigabit Ethernet PHY

 * - RTC M41T81 (@0x68) on I2C bus

 * - 256KB NOR flash

 * - 64MB of RAM

 */



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

 * 256KB NOR Flash on BOOT Device

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



static struct physmap_flash_data mss2_nor_flash_data = {

	.width		= 1,

};



static struct resource mss2_nor_flash_resource = {

	.flags		= IORESOURCE_MEM,

	.start		= MSS2_NOR_BOOT_BASE,

	.end		= MSS2_NOR_BOOT_BASE + MSS2_NOR_BOOT_SIZE - 1,

};



static struct platform_device mss2_nor_flash = {

	.name		= "physmap-flash",

	.id		= 0,

	.dev		= {

		.platform_data	= &mss2_nor_flash_data,

	},

	.resource	= &mss2_nor_flash_resource,

	.num_resources	= 1,

};



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

 * PCI setup

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

static int __init mss2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)

{

	int irq;



	/*

	 * Check for devices with hard-wired IRQs.

	 */

	irq = orion5x_pci_map_irq(dev, slot, pin);

	if (irq != -1)

		return irq;



	return -1;

}



static struct hw_pci mss2_pci __initdata = {

	.nr_controllers = 2,

	.swizzle	= pci_std_swizzle,

	.setup		= orion5x_pci_sys_setup,

	.scan		= orion5x_pci_sys_scan_bus,

	.map_irq	= mss2_pci_map_irq,

};



static int __init mss2_pci_init(void)

{

	if (machine_is_mss2())

		pci_common_init(&mss2_pci);



	return 0;

}

subsys_initcall(mss2_pci_init);





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

 * Ethernet

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



static struct mv643xx_eth_platform_data mss2_eth_data = {

	.phy_addr	= 8,

};



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

 * SATA

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



static struct mv_sata_platform_data mss2_sata_data = {

	.n_ports	= 2,

};



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

 * GPIO buttons

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



#define MSS2_GPIO_KEY_RESET	12

#define MSS2_GPIO_KEY_POWER	11



static struct gpio_keys_button mss2_buttons[] = {

	{

		.code		= KEY_POWER,

		.gpio		= MSS2_GPIO_KEY_POWER,

		.desc		= "Power",

		.active_low	= 1,

	}, {

		.code		= KEY_RESTART,

		.gpio		= MSS2_GPIO_KEY_RESET,

		.desc		= "Reset",

		.active_low	= 1,

	},

};



static struct gpio_keys_platform_data mss2_button_data = {

	.buttons	= mss2_buttons,

	.nbuttons	= ARRAY_SIZE(mss2_buttons),

};



static struct platform_device mss2_button_device = {

	.name		= "gpio-keys",

	.id		= -1,

	.dev		= {

		.platform_data	= &mss2_button_data,

	},

};



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

 * RTC m41t81 on I2C bus

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



#define MSS2_GPIO_RTC_IRQ	3



static struct i2c_board_info __initdata mss2_i2c_rtc = {

	I2C_BOARD_INFO("m41t81", 0x68),

};



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

 * MSS2 power off method

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

/*

 * On the Maxtor Shared Storage II, the shutdown process is the following :

 * - Userland modifies U-boot env to tell U-boot to go idle at next boot

 * - The board reboots

 * - U-boot starts and go into an idle mode until the user press "power"

 */

static void mss2_power_off(void)

{

	u32 reg;



	/*

	 * Enable and issue soft reset

	 */

	reg = readl(CPU_RESET_MASK);

	reg |= 1 << 2;

	writel(reg, CPU_RESET_MASK);



	reg = readl(CPU_SOFT_RESET);

	reg |= 1;

	writel(reg, CPU_SOFT_RESET);

}



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

 * General Setup

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

static struct orion5x_mpp_mode mss2_mpp_modes[] __initdata = {

	{  0, MPP_GPIO },		/* Power LED */

	{  1, MPP_GPIO },		/* Error LED */

	{  2, MPP_UNUSED },

	{  3, MPP_GPIO },		/* RTC interrupt */

	{  4, MPP_GPIO },		/* HDD ind. (Single/Dual)*/

	{  5, MPP_GPIO },		/* HD0 5V control */

	{  6, MPP_GPIO },		/* HD0 12V control */

	{  7, MPP_GPIO },		/* HD1 5V control */

	{  8, MPP_GPIO },		/* HD1 12V control */

	{  9, MPP_UNUSED },

	{ 10, MPP_GPIO },		/* Fan control */

	{ 11, MPP_GPIO },		/* Power button */

	{ 12, MPP_GPIO },		/* Reset button */

	{ 13, MPP_UNUSED },

	{ 14, MPP_SATA_LED },		/* SATA 0 active */

	{ 15, MPP_SATA_LED },		/* SATA 1 active */

	{ 16, MPP_UNUSED },

	{ 17, MPP_UNUSED },

	{ 18, MPP_UNUSED },

	{ 19, MPP_UNUSED },

	{ -1 },

};



static void __init mss2_init(void)

{

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

	orion5x_init();



	orion5x_mpp_conf(mss2_mpp_modes);



	/*

	 * MPP[20] Unused

	 * MPP[21] PCI clock

	 * MPP[22] USB 0 over current

	 * MPP[23] USB 1 over current

	 */



	/*

	 * Configure peripherals.

	 */

	orion5x_ehci0_init();

	orion5x_ehci1_init();

	orion5x_eth_init(&mss2_eth_data);

	orion5x_i2c_init();

	orion5x_sata_init(&mss2_sata_data);

	orion5x_uart0_init();



	orion5x_setup_dev_boot_win(MSS2_NOR_BOOT_BASE, MSS2_NOR_BOOT_SIZE);

	platform_device_register(&mss2_nor_flash);



	platform_device_register(&mss2_button_device);



	if (gpio_request(MSS2_GPIO_RTC_IRQ, "rtc") == 0) {

		if (gpio_direction_input(MSS2_GPIO_RTC_IRQ) == 0)

			mss2_i2c_rtc.irq = gpio_to_irq(MSS2_GPIO_RTC_IRQ);

		else

			gpio_free(MSS2_GPIO_RTC_IRQ);

	}

	i2c_register_board_info(0, &mss2_i2c_rtc, 1);



	/* register mss2 specific power-off method */

	pm_power_off = mss2_power_off;

}



MACHINE_START(MSS2, "Maxtor Shared Storage II")

	/* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> */

	.phys_io	= ORION5X_REGS_PHYS_BASE,

	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,

	.boot_params	= 0x00000100,

	.init_machine	= mss2_init,

	.map_io		= orion5x_map_io,

	.init_irq	= orion5x_init_irq,

	.timer		= &orion5x_timer,

	.fixup		= tag_fixup_mem32

MACHINE_END