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Commit 0eb66974 authored by Christopher Moore's avatar Christopher Moore Committed by Nicolas Pitre
Browse files

[ARM] Orion: add LaCie Ethernet Disk mini V2 support 



This patch adds support for the LaCie Ethernet Disk mini V2.

Signed-off-by: default avatarAlbert Aribaud <albert.aribaud@free.fr>
Signed-off-by: default avatarChristopher Moore <moore@free.fr>
Signed-off-by: default avatarLennert Buytenhek <buytenh@marvell.com>
parent ebe35aff

arch/arm/configs/orion5x_defconfig

+1 −0
Original line number Diff line number Diff line
@@ -170,6 +170,7 @@ CONFIG_MACH_TS409=y 
CONFIG_MACH_WRT350N_V2=y

CONFIG_MACH_TS78XX=y

CONFIG_MACH_MV2120=y

CONFIG_MACH_EDMINI_V2=y

CONFIG_MACH_MSS2=y

CONFIG_MACH_WNR854T=y

CONFIG_MACH_RD88F5181L_GE=y

arch/arm/mach-orion5x/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -68,6 +68,13 @@ config MACH_MV2120 
	  Say 'Y' here if you want your kernel to support the

	  HP Media Vault mv2120 or mv5100.



config MACH_EDMINI_V2

	bool "LaCie Ethernet Disk mini V2"

	select I2C_BOARDINFO

	help

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

	  LaCie Ethernet Disk mini V2.



config MACH_MSS2

	bool "Maxtor Shared Storage II"

	help

arch/arm/mach-orion5x/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 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_EDMINI_V2)	+= edmini_v2-setup.o

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

obj-$(CONFIG_MACH_WNR854T)	+= wnr854t-setup.o

obj-$(CONFIG_MACH_RD88F5181L_GE)	+= rd88f5181l-ge-setup.o

arch/arm/mach-orion5x/edmini_v2-setup.c

0 → 100644
+202 −0
Original line number Diff line number Diff line 
/*

 * arch/arm/mach-orion5x/edmini_v2-setup.c

 *

 * LaCie Ethernet Disk mini V2 Setup

 *

 * Copyright (C) 2008 Christopher Moore <moore@free.fr>

 * Copyright (C) 2008 Albert Aribaud <albert.aribaud@free.fr>

 *

 * This file is licensed under the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */



/*

 * TODO: add Orion USB device port init when kernel.org support is added.

 * TODO: add flash write support: see below.

 * TODO: add power-off support.

 * TODO: add I2C EEPROM support.

 */



#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/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 <mach/orion5x.h>

#include "common.h"

#include "mpp.h"



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

 * EDMINI_V2 Info

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



/*

 * 512KB NOR flash Device bus boot chip select

 */



#define EDMINI_V2_NOR_BOOT_BASE		0xfff80000

#define EDMINI_V2_NOR_BOOT_SIZE		SZ_512K



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

 * 512KB NOR Flash on BOOT Device

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



/*

 * Currently the MTD code does not recognize the MX29LV400CBCT as a bottom

 * -type device. This could cause risks of accidentally erasing critical

 * flash sectors. We thus define a single, write-protected partition covering

 * the whole flash.

 * TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD

 * code, break this into at least three partitions: 'u-boot code', 'u-boot

 * environment' and 'whatever is left'.

 */



static struct mtd_partition edmini_v2_partitions[] = {

	{

		.name		= "Full512kb",

		.size		= 0x00080000,

		.offset		= 0x00000000,

		.mask_flags	= MTD_WRITEABLE,

	},

};



static struct physmap_flash_data edmini_v2_nor_flash_data = {

	.width		= 1,

	.parts		= edmini_v2_partitions,

	.nr_parts	= ARRAY_SIZE(edmini_v2_partitions),

};



static struct resource edmini_v2_nor_flash_resource = {

	.flags			= IORESOURCE_MEM,

	.start			= EDMINI_V2_NOR_BOOT_BASE,

	.end			= EDMINI_V2_NOR_BOOT_BASE

		+ EDMINI_V2_NOR_BOOT_SIZE - 1,

};



static struct platform_device edmini_v2_nor_flash = {

	.name			= "physmap-flash",

	.id			= 0,

	.dev		= {

		.platform_data	= &edmini_v2_nor_flash_data,

	},

	.num_resources		= 1,

	.resource		= &edmini_v2_nor_flash_resource,

};



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

 * Ethernet

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



static struct mv643xx_eth_platform_data edmini_v2_eth_data = {

	.phy_addr	= 8,

};



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

 * RTC 5C372a on I2C bus

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



#define EDMINIV2_RTC_GPIO	3



static struct i2c_board_info __initdata edmini_v2_i2c_rtc = {

	I2C_BOARD_INFO("rs5c372a", 0x32),

	.irq = 0,

};



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

 * Sata

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



static struct mv_sata_platform_data edmini_v2_sata_data = {

	.n_ports	= 2,

};



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

 * General Setup

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

static struct orion5x_mpp_mode edminiv2_mpp_modes[] __initdata = {

	{  0, MPP_UNUSED },

	{  1, MPP_UNUSED },

	{  2, MPP_UNUSED },

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

	{  4, MPP_UNUSED },

	{  5, MPP_UNUSED },

	{  6, MPP_UNUSED },

	{  7, MPP_UNUSED },

	{  8, MPP_UNUSED },

	{  9, MPP_UNUSED },

	{ 10, MPP_UNUSED },

	{ 11, MPP_UNUSED },

	{ 12, MPP_SATA_LED },	/* SATA 0 presence */

	{ 13, MPP_SATA_LED },	/* SATA 1 presence */

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

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

	/* 16: Power LED control (0 = On, 1 = Off) */

	{ 16, MPP_GPIO },

	/* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */

	{ 17, MPP_GPIO },

	/* 18: Power button status (0 = Released, 1 = Pressed) */

	{ 18, MPP_GPIO },

	{ 19, MPP_UNUSED },

	{ -1 }

};



static void __init edmini_v2_init(void)

{

	/*

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

	 */

	orion5x_init();



	orion5x_mpp_conf(edminiv2_mpp_modes);



	/*

	 * Configure peripherals.

	 */

	orion5x_ehci0_init();

	orion5x_eth_init(&edmini_v2_eth_data);

	orion5x_i2c_init();

	orion5x_sata_init(&edmini_v2_sata_data);

	orion5x_uart0_init();



	orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE,

				EDMINI_V2_NOR_BOOT_SIZE);

	platform_device_register(&edmini_v2_nor_flash);



	pr_notice("edmini_v2: USB device port, flash write and power-off "

		  "are not yet supported.\n");



	/* Get RTC IRQ and register the chip */

	if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) {

		if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0)

			edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO);

		else

			gpio_free(EDMINIV2_RTC_GPIO);

	}



	if (edmini_v2_i2c_rtc.irq == 0)

		pr_warning("edmini_v2: failed to get RTC IRQ\n");



	i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1);

}



/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */

MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2")

	/* Maintainer: Christopher Moore <moore@free.fr> */

	.phys_io	= ORION5X_REGS_PHYS_BASE,

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

	.boot_params	= 0x00000100,

	.init_machine	= edmini_v2_init,

	.map_io		= orion5x_map_io,

	.init_irq	= orion5x_init_irq,

	.timer		= &orion5x_timer,

	.fixup		= tag_fixup_mem32,

MACHINE_END