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Commit 47e9cffd authored by Sylver Bruneau's avatar Sylver Bruneau Committed by Lennert Buytenhek
Browse files

[ARM] Orion: add QNAP TS-409 support 



Signed-off-by: default avatarLennert Buytenhek <buytenh@marvell.com>
parent a0087f2f

arch/arm/mach-orion5x/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -44,6 +44,12 @@ config MACH_LINKSTATION_PRO 
	  Buffalo Linkstation Pro/Live platform. Both v1 and

	  v2 devices are supported.



config MACH_TS409

	bool "QNAP TS-409"

	help

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

	  QNAP TS-409 platform.



endmenu



endif

arch/arm/mach-orion5x/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -5,3 +5,4 @@ obj-$(CONFIG_MACH_KUROBOX_PRO) += kurobox_pro-setup.o 
obj-$(CONFIG_MACH_LINKSTATION_PRO) += kurobox_pro-setup.o

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

obj-$(CONFIG_MACH_TS209)	+= ts209-setup.o

obj-$(CONFIG_MACH_TS409)	+= ts409-setup.o

arch/arm/mach-orion5x/ts409-setup.c

0 → 100644
+385 −0
Original line number Diff line number Diff line 
/*

 * QNAP TS-409 Board Setup

 *

 * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.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/gpio_keys.h>

#include <linux/input.h>

#include <linux/i2c.h>

#include <linux/serial_reg.h>

#include <asm/mach-types.h>

#include <asm/gpio.h>

#include <asm/mach/arch.h>

#include <asm/mach/pci.h>

#include <asm/arch/orion5x.h>

#include "common.h"

#include "mpp.h"



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

 * QNAP TS-409 Info

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



/*

 * QNAP TS-409 hardware :

 * - Marvell 88F5281-D0

 * - Marvell 88SX7042 SATA controller (PCIe)

 * - Marvell 88E1118 Gigabit Ethernet PHY

 * - RTC S35390A (@0x30) on I2C bus

 * - 8MB NOR flash

 * - 256MB of DDR-2 RAM

 */



/*

 * 8MB NOR flash Device bus boot chip select

 */



#define QNAP_TS409_NOR_BOOT_BASE 0xff800000

#define QNAP_TS409_NOR_BOOT_SIZE SZ_8M



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

 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the

 *     partitions on the device because we want to keep compatability with

 *     existing QNAP firmware.

 *

 * Layout as used by QNAP:

 *  [2] 0x00000000-0x00200000 : "Kernel"

 *  [3] 0x00200000-0x00600000 : "RootFS1"

 *  [4] 0x00600000-0x00700000 : "RootFS2"

 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)

 *  [5] 0x00760000-0x00780000 : "U-Boot Config"

 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)

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

static struct mtd_partition qnap_ts409_partitions[] = {

	{

		.name		= "U-Boot",

		.size		= 0x00080000,

		.offset		= 0x00780000,

		.mask_flags	= MTD_WRITEABLE,

	}, {

		.name		= "Kernel",

		.size		= 0x00200000,

		.offset		= 0,

	}, {

		.name		= "RootFS1",

		.size		= 0x00400000,

		.offset		= 0x00200000,

	}, {

		.name		= "RootFS2",

		.size		= 0x00100000,

		.offset		= 0x00600000,

	}, {

		.name		= "U-Boot Config",

		.size		= 0x00020000,

		.offset		= 0x00760000,

	}, {

		.name		= "NAS Config",

		.size		= 0x00060000,

		.offset		= 0x00700000,

		.mask_flags	= MTD_WRITEABLE,

	},

};



static struct physmap_flash_data qnap_ts409_nor_flash_data = {

	.width		= 1,

	.parts		= qnap_ts409_partitions,

	.nr_parts	= ARRAY_SIZE(qnap_ts409_partitions)

};



static struct resource qnap_ts409_nor_flash_resource = {

	.flags	= IORESOURCE_MEM,

	.start	= QNAP_TS409_NOR_BOOT_BASE,

	.end	= QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,

};



static struct platform_device qnap_ts409_nor_flash = {

	.name		= "physmap-flash",

	.id		= 0,

	.dev		= { .platform_data = &qnap_ts409_nor_flash_data, },

	.num_resources	= 1,

	.resource	= &qnap_ts409_nor_flash_resource,

};



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

 * PCI

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



static int __init qnap_ts409_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;



	/*

	 * PCI isn't used on the TS-409

	 */

	return -1;

}



static struct hw_pci qnap_ts409_pci __initdata = {

	.nr_controllers	= 2,

	.swizzle	= pci_std_swizzle,

	.setup		= orion5x_pci_sys_setup,

	.scan		= orion5x_pci_sys_scan_bus,

	.map_irq	= qnap_ts409_pci_map_irq,

};



static int __init qnap_ts409_pci_init(void)

{

	if (machine_is_ts409())

		pci_common_init(&qnap_ts409_pci);



	return 0;

}



subsys_initcall(qnap_ts409_pci_init);



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

 * Ethernet

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



static struct mv643xx_eth_platform_data qnap_ts409_eth_data = {

	.phy_addr	= 8,

};



static int __init parse_hex_nibble(char n)

{

	if (n >= '0' && n <= '9')

		return n - '0';



	if (n >= 'A' && n <= 'F')

		return n - 'A' + 10;



	if (n >= 'a' && n <= 'f')

		return n - 'a' + 10;



	return -1;

}



static int __init parse_hex_byte(const char *b)

{

	int hi;

	int lo;



	hi = parse_hex_nibble(b[0]);

	lo = parse_hex_nibble(b[1]);



	if (hi < 0 || lo < 0)

		return -1;



	return (hi << 4) | lo;

}



static int __init check_mac_addr(const char *addr_str)

{

	u_int8_t addr[6];

	int i;



	for (i = 0; i < 6; i++) {

		int byte;



		/*

		 * Enforce "xx:xx:xx:xx:xx:xx\n" format.

		 */

		if (addr_str[(i * 3) + 2] != ((i < 5) ? ':' : '\n'))

			return -1;



		byte = parse_hex_byte(addr_str + (i * 3));

		if (byte < 0)

			return -1;

		addr[i] = byte;

	}



	printk(KERN_INFO "ts409: found ethernet mac address ");

	for (i = 0; i < 6; i++)

		printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");



	memcpy(qnap_ts409_eth_data.mac_addr, addr, 6);



	return 0;

}



/*

 * The 'NAS Config' flash partition has an ext2 filesystem which

 * contains a file that has the ethernet MAC address in plain text

 * (format "xx:xx:xx:xx:xx:xx\n").

 */

static void __init ts409_find_mac_addr(void)

{

	unsigned long addr;



	for (addr = 0x00700000; addr < 0x00760000; addr += 1024) {

		char *nor_page;

		int ret = 0;



		nor_page = ioremap(QNAP_TS409_NOR_BOOT_BASE + addr, 1024);

		if (nor_page != NULL) {

			ret = check_mac_addr(nor_page);

			iounmap(nor_page);

		}



		if (ret == 0)

			break;

	}

}



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

 * RTC S35390A on I2C bus

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



#define TS409_RTC_GPIO	10



static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {

	I2C_BOARD_INFO("s35390a", 0x30),

};



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

 * GPIO Attached Keys

 *     Power button is attached to the PIC microcontroller

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



#define QNAP_TS409_GPIO_KEY_MEDIA	15



static struct gpio_keys_button qnap_ts409_buttons[] = {

	{

		.code		= KEY_RESTART,

		.gpio		= QNAP_TS409_GPIO_KEY_MEDIA,

		.desc		= "USB Copy Button",

		.active_low	= 1,

	},

};



static struct gpio_keys_platform_data qnap_ts409_button_data = {

	.buttons	= qnap_ts409_buttons,

	.nbuttons	= ARRAY_SIZE(qnap_ts409_buttons),

};



static struct platform_device qnap_ts409_button_device = {

	.name		= "gpio-keys",

	.id		= -1,

	.num_resources	= 0,

	.dev		= {

		.platform_data	= &qnap_ts409_button_data,

	},

};



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

 * General Setup

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

static struct orion5x_mpp_mode ts409_mpp_modes[] __initdata = {

	{  0, MPP_UNUSED },

	{  1, MPP_UNUSED },

	{  2, MPP_UNUSED },

	{  3, MPP_UNUSED },

	{  4, MPP_GPIO },		/* HDD 1 status */

	{  5, MPP_GPIO },		/* HDD 2 status */

	{  6, MPP_GPIO },		/* HDD 3 status */

	{  7, MPP_GPIO },		/* HDD 4 status */

	{  8, MPP_UNUSED },

	{  9, MPP_UNUSED },

	{ 10, MPP_GPIO },		/* RTC int */

	{ 11, MPP_UNUSED },

	{ 12, MPP_UNUSED },

	{ 13, MPP_UNUSED },

	{ 14, MPP_GPIO },		/* SW_RST */

	{ 15, MPP_GPIO },		/* USB copy button */

	{ 16, MPP_UART },		/* UART1 RXD */

	{ 17, MPP_UART },		/* UART1 TXD */

	{ 18, MPP_UNUSED },

	{ 19, MPP_UNUSED },

	{ -1 },

};



/*

 * QNAP TS-409 specific power off method via UART1-attached PIC

 */



#define UART1_REG(x)  (UART1_VIRT_BASE + ((UART_##x) << 2))



static void qnap_ts409_power_off(void)

{

	/* 19200 baud divisor */

	const unsigned divisor = ((ORION5X_TCLK + (8 * 19200)) / (16 * 19200));



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



	/* hijack uart1 and reset into sane state (19200,8n1) */

	writel(0x83, UART1_REG(LCR));

	writel(divisor & 0xff, UART1_REG(DLL));

	writel((divisor >> 8) & 0xff, UART1_REG(DLM));

	writel(0x03, UART1_REG(LCR));

	writel(0x00, UART1_REG(IER));

	writel(0x00, UART1_REG(FCR));

	writel(0x00, UART1_REG(MCR));



	/* send the power-off command 'A' to PIC */

	writel('A', UART1_REG(TX));

}



static void __init qnap_ts409_init(void)

{

	/*

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

	 */

	orion5x_init();



	orion5x_mpp_conf(ts409_mpp_modes);



	/*

	 * Configure peripherals.

	 */

	orion5x_ehci0_init();

	ts409_find_mac_addr();

	orion5x_eth_init(&qnap_ts409_eth_data);

	orion5x_i2c_init();

	orion5x_uart0_init();



	orion5x_setup_dev_boot_win(QNAP_TS409_NOR_BOOT_BASE,

				   QNAP_TS409_NOR_BOOT_SIZE);

	platform_device_register(&qnap_ts409_nor_flash);



	platform_device_register(&qnap_ts409_button_device);



	/* Get RTC IRQ and register the chip */

	if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {

		if (gpio_direction_input(TS409_RTC_GPIO) == 0)

			qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);

		else

			gpio_free(TS409_RTC_GPIO);

	}

	if (qnap_ts409_i2c_rtc.irq == 0)

		pr_warning("qnap_ts409_init: failed to get RTC IRQ\n");

	i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);



	/* register ts409 specific power-off method */

	pm_power_off = qnap_ts409_power_off;

}



MACHINE_START(TS409, "QNAP TS-409")

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

	.phys_io	= ORION5X_REGS_PHYS_BASE,

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

	.boot_params	= 0x00000100,

	.init_machine	= qnap_ts409_init,

	.map_io		= orion5x_map_io,

	.init_irq	= orion5x_init_irq,

	.timer		= &orion5x_timer,

	.fixup		= tag_fixup_mem32,

MACHINE_END