arch/arm/mach-orion5x/rd88f5182-setup.c - kernel/panda - Git at Google

 /*
  * arch/arm/mach-orion5x/rd88f5182-setup.c
  *
  * Marvell Orion-NAS Reference Design Setup
  *
  * Maintainer: Ronen Shitrit <rshitrit@marvell.com>
  *
  * 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.
  */

 #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/ata_platform.h>
 #include <linux/i2c.h>
 #include <asm/mach-types.h>
 #include <asm/gpio.h>
 #include <asm/leds.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>
 #include "common.h"
 #include "mpp.h"

 /*****************************************************************************
  * RD-88F5182 Info
  ****************************************************************************/

 /*
  * 512K NOR flash Device bus boot chip select
  */

 #define RD88F5182_NOR_BOOT_BASE		0xf4000000
 #define RD88F5182_NOR_BOOT_SIZE		SZ_512K

 /*
  * 16M NOR flash on Device bus chip select 1
  */

 #define RD88F5182_NOR_BASE		0xfc000000
 #define RD88F5182_NOR_SIZE		SZ_16M

 /*
  * PCI
  */

 #define RD88F5182_PCI_SLOT0_OFFS	7
 #define RD88F5182_PCI_SLOT0_IRQ_A_PIN	7
 #define RD88F5182_PCI_SLOT0_IRQ_B_PIN	6

 /*
  * GPIO Debug LED
  */

 #define RD88F5182_GPIO_DBG_LED		0

 /*****************************************************************************
  * 16M NOR Flash on Device bus CS1
  ****************************************************************************/

 static struct physmap_flash_data rd88f5182_nor_flash_data = {
 	.width		= 1,
 };

 static struct resource rd88f5182_nor_flash_resource = {
 	.flags			= IORESOURCE_MEM,
 	.start			= RD88F5182_NOR_BASE,
 	.end			= RD88F5182_NOR_BASE + RD88F5182_NOR_SIZE - 1,
 };

 static struct platform_device rd88f5182_nor_flash = {
 	.name			= "physmap-flash",
 	.id			= 0,
 	.dev		= {
 		.platform_data	= &rd88f5182_nor_flash_data,
 	},
 	.num_resources		= 1,
 	.resource		= &rd88f5182_nor_flash_resource,
 };

 #ifdef CONFIG_LEDS

 /*****************************************************************************
  * Use GPIO debug led as CPU active indication
  ****************************************************************************/

 static void rd88f5182_dbgled_event(led_event_t evt)
 {
 	int val;

 	if (evt == led_idle_end)
 		val = 1;
 	else if (evt == led_idle_start)
 		val = 0;
 	else
 		return;

 	gpio_set_value(RD88F5182_GPIO_DBG_LED, val);
 }

 static int __init rd88f5182_dbgled_init(void)
 {
 	int pin;

 	if (machine_is_rd88f5182()) {
 		pin = RD88F5182_GPIO_DBG_LED;

 		if (gpio_request(pin, "DBGLED") == 0) {
 			if (gpio_direction_output(pin, 0) != 0) {
 				printk(KERN_ERR "rd88f5182_dbgled_init failed "
 						"to set output pin %d\n", pin);
 				gpio_free(pin);
 				return 0;
 			}
 		} else {
 			printk(KERN_ERR "rd88f5182_dbgled_init failed "
 					"to request gpio %d\n", pin);
 			return 0;
 		}

 		leds_event = rd88f5182_dbgled_event;
 	}

 	return 0;
 }

 __initcall(rd88f5182_dbgled_init);

 #endif

 /*****************************************************************************
  * PCI
  ****************************************************************************/

 void __init rd88f5182_pci_preinit(void)
 {
 	int pin;

 	/*
 	 * Configure PCI GPIO IRQ pins
 	 */
 	pin = RD88F5182_PCI_SLOT0_IRQ_A_PIN;
 	if (gpio_request(pin, "PCI IntA") == 0) {
 		if (gpio_direction_input(pin) == 0) {
 			irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
 		} else {
 			printk(KERN_ERR "rd88f5182_pci_preinit faield to "
 					"set_irq_type pin %d\n", pin);
 			gpio_free(pin);
 		}
 	} else {
 		printk(KERN_ERR "rd88f5182_pci_preinit failed to request gpio %d\n", pin);
 	}

 	pin = RD88F5182_PCI_SLOT0_IRQ_B_PIN;
 	if (gpio_request(pin, "PCI IntB") == 0) {
 		if (gpio_direction_input(pin) == 0) {
 			irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
 		} else {
 			printk(KERN_ERR "rd88f5182_pci_preinit faield to "
 					"set_irq_type pin %d\n", pin);
 			gpio_free(pin);
 		}
 	} else {
 		printk(KERN_ERR "rd88f5182_pci_preinit failed to gpio_request %d\n", pin);
 	}
 }

 static int __init rd88f5182_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 IRQs are connected via GPIOs
 	 */
 	switch (slot - RD88F5182_PCI_SLOT0_OFFS) {
 	case 0:
 		if (pin == 1)
 			return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_A_PIN);
 		else
 			return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_B_PIN);
 	default:
 		return -1;
 	}
 }

 static struct hw_pci rd88f5182_pci __initdata = {
 	.nr_controllers	= 2,
 	.preinit	= rd88f5182_pci_preinit,
 	.swizzle	= pci_std_swizzle,
 	.setup		= orion5x_pci_sys_setup,
 	.scan		= orion5x_pci_sys_scan_bus,
 	.map_irq	= rd88f5182_pci_map_irq,
 };

 static int __init rd88f5182_pci_init(void)
 {
 	if (machine_is_rd88f5182())
 		pci_common_init(&rd88f5182_pci);

 	return 0;
 }

 subsys_initcall(rd88f5182_pci_init);

 /*****************************************************************************
  * Ethernet
  ****************************************************************************/

 static struct mv643xx_eth_platform_data rd88f5182_eth_data = {
 	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
 };

 /*****************************************************************************
  * RTC DS1338 on I2C bus
  ****************************************************************************/
 static struct i2c_board_info __initdata rd88f5182_i2c_rtc = {
 	I2C_BOARD_INFO("ds1338", 0x68),
 };

 /*****************************************************************************
  * Sata
  ****************************************************************************/
 static struct mv_sata_platform_data rd88f5182_sata_data = {
 	.n_ports	= 2,
 };

 /*****************************************************************************
  * General Setup
  ****************************************************************************/
 static struct orion5x_mpp_mode rd88f5182_mpp_modes[] __initdata = {
 	{  0, MPP_GPIO },		/* Debug Led */
 	{  1, MPP_GPIO },		/* Reset Switch */
 	{  2, MPP_UNUSED },
 	{  3, MPP_GPIO },		/* RTC Int */
 	{  4, MPP_GPIO },
 	{  5, MPP_GPIO },
 	{  6, MPP_GPIO },		/* PCI_intA */
 	{  7, MPP_GPIO },		/* PCI_intB */
 	{  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, MPP_UNUSED },
 	{ 17, MPP_UNUSED },
 	{ 18, MPP_UNUSED },
 	{ 19, MPP_UNUSED },
 	{ -1 },
 };

 static void __init rd88f5182_init(void)
 {
 	/*
 	 * Setup basic Orion functions. Need to be called early.
 	 */
 	orion5x_init();

 	orion5x_mpp_conf(rd88f5182_mpp_modes);

 	/*
 	 * MPP[20] PCI Clock to MV88F5182
 	 * MPP[21] PCI Clock to mini PCI CON11
 	 * MPP[22] USB 0 over current indication
 	 * MPP[23] USB 1 over current indication
 	 * MPP[24] USB 1 over current enable
 	 * MPP[25] USB 0 over current enable
 	 */

 	/*
 	 * Configure peripherals.
 	 */
 	orion5x_ehci0_init();
 	orion5x_ehci1_init();
 	orion5x_eth_init(&rd88f5182_eth_data);
 	orion5x_i2c_init();
 	orion5x_sata_init(&rd88f5182_sata_data);
 	orion5x_uart0_init();
 	orion5x_xor_init();

 	orion5x_setup_dev_boot_win(RD88F5182_NOR_BOOT_BASE,
 				   RD88F5182_NOR_BOOT_SIZE);

 	orion5x_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE);
 	platform_device_register(&rd88f5182_nor_flash);

 	i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1);
 }

 MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design")
 	/* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
 	.boot_params	= 0x00000100,
 	.init_machine	= rd88f5182_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
 	.init_irq	= orion5x_init_irq,
 	.timer		= &orion5x_timer,
 MACHINE_END
	/*
	* arch/arm/mach-orion5x/rd88f5182-setup.c
	*
	* Marvell Orion-NAS Reference Design Setup
	*
	* Maintainer: Ronen Shitrit <rshitrit@marvell.com>
	*
	* 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.
	*/

	#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/ata_platform.h>
	#include <linux/i2c.h>
	#include <asm/mach-types.h>
	#include <asm/gpio.h>
	#include <asm/leds.h>
	#include <asm/mach/arch.h>
	#include <asm/mach/pci.h>
	#include <mach/orion5x.h>
	#include "common.h"
	#include "mpp.h"

	/*****************************************************************************
	* RD-88F5182 Info
	****************************************************************************/

	/*
	* 512K NOR flash Device bus boot chip select
	*/

	#define RD88F5182_NOR_BOOT_BASE 0xf4000000
	#define RD88F5182_NOR_BOOT_SIZE SZ_512K

	/*
	* 16M NOR flash on Device bus chip select 1
	*/

	#define RD88F5182_NOR_BASE 0xfc000000
	#define RD88F5182_NOR_SIZE SZ_16M

	/*
	* PCI
	*/

	#define RD88F5182_PCI_SLOT0_OFFS 7
	#define RD88F5182_PCI_SLOT0_IRQ_A_PIN 7
	#define RD88F5182_PCI_SLOT0_IRQ_B_PIN 6

	/*
	* GPIO Debug LED
	*/

	#define RD88F5182_GPIO_DBG_LED 0

	/*****************************************************************************
	* 16M NOR Flash on Device bus CS1
	****************************************************************************/

	static struct physmap_flash_data rd88f5182_nor_flash_data = {
	.width = 1,
	};

	static struct resource rd88f5182_nor_flash_resource = {
	.flags = IORESOURCE_MEM,
	.start = RD88F5182_NOR_BASE,
	.end = RD88F5182_NOR_BASE + RD88F5182_NOR_SIZE - 1,
	};

	static struct platform_device rd88f5182_nor_flash = {
	.name = "physmap-flash",
	.id = 0,
	.dev = {
	.platform_data = &rd88f5182_nor_flash_data,
	},
	.num_resources = 1,
	.resource = &rd88f5182_nor_flash_resource,
	};

	#ifdef CONFIG_LEDS

	/*****************************************************************************
	* Use GPIO debug led as CPU active indication
	****************************************************************************/

	static void rd88f5182_dbgled_event(led_event_t evt)
	{
	int val;

	if (evt == led_idle_end)
	val = 1;
	else if (evt == led_idle_start)
	val = 0;
	else
	return;

	gpio_set_value(RD88F5182_GPIO_DBG_LED, val);
	}

	static int __init rd88f5182_dbgled_init(void)
	{
	int pin;

	if (machine_is_rd88f5182()) {
	pin = RD88F5182_GPIO_DBG_LED;

	if (gpio_request(pin, "DBGLED") == 0) {
	if (gpio_direction_output(pin, 0) != 0) {
	printk(KERN_ERR "rd88f5182_dbgled_init failed "
	"to set output pin %d\n", pin);
	gpio_free(pin);
	return 0;
	}
	} else {
	printk(KERN_ERR "rd88f5182_dbgled_init failed "
	"to request gpio %d\n", pin);
	return 0;
	}

	leds_event = rd88f5182_dbgled_event;
	}

	return 0;
	}

	__initcall(rd88f5182_dbgled_init);

	#endif

	/*****************************************************************************
	* PCI
	****************************************************************************/

	void __init rd88f5182_pci_preinit(void)
	{
	int pin;

	/*
	* Configure PCI GPIO IRQ pins
	*/
	pin = RD88F5182_PCI_SLOT0_IRQ_A_PIN;
	if (gpio_request(pin, "PCI IntA") == 0) {
	if (gpio_direction_input(pin) == 0) {
	irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
	} else {
	printk(KERN_ERR "rd88f5182_pci_preinit faield to "
	"set_irq_type pin %d\n", pin);
	gpio_free(pin);
	}
	} else {
	printk(KERN_ERR "rd88f5182_pci_preinit failed to request gpio %d\n", pin);
	}

	pin = RD88F5182_PCI_SLOT0_IRQ_B_PIN;
	if (gpio_request(pin, "PCI IntB") == 0) {
	if (gpio_direction_input(pin) == 0) {
	irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
	} else {
	printk(KERN_ERR "rd88f5182_pci_preinit faield to "
	"set_irq_type pin %d\n", pin);
	gpio_free(pin);
	}
	} else {
	printk(KERN_ERR "rd88f5182_pci_preinit failed to gpio_request %d\n", pin);
	}
	}

	static int __init rd88f5182_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 IRQs are connected via GPIOs
	*/
	switch (slot - RD88F5182_PCI_SLOT0_OFFS) {
	case 0:
	if (pin == 1)
	return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_A_PIN);
	else
	return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_B_PIN);
	default:
	return -1;
	}
	}

	static struct hw_pci rd88f5182_pci __initdata = {
	.nr_controllers = 2,
	.preinit = rd88f5182_pci_preinit,
	.swizzle = pci_std_swizzle,
	.setup = orion5x_pci_sys_setup,
	.scan = orion5x_pci_sys_scan_bus,
	.map_irq = rd88f5182_pci_map_irq,
	};

	static int __init rd88f5182_pci_init(void)
	{
	if (machine_is_rd88f5182())
	pci_common_init(&rd88f5182_pci);

	return 0;
	}

	subsys_initcall(rd88f5182_pci_init);

	/*****************************************************************************
	* Ethernet
	****************************************************************************/

	static struct mv643xx_eth_platform_data rd88f5182_eth_data = {
	.phy_addr = MV643XX_ETH_PHY_ADDR(8),
	};

	/*****************************************************************************
	* RTC DS1338 on I2C bus
	****************************************************************************/
	static struct i2c_board_info __initdata rd88f5182_i2c_rtc = {
	I2C_BOARD_INFO("ds1338", 0x68),
	};

	/*****************************************************************************
	* Sata
	****************************************************************************/
	static struct mv_sata_platform_data rd88f5182_sata_data = {
	.n_ports = 2,
	};

	/*****************************************************************************
	* General Setup
	****************************************************************************/
	static struct orion5x_mpp_mode rd88f5182_mpp_modes[] __initdata = {
	{ 0, MPP_GPIO }, /* Debug Led */
	{ 1, MPP_GPIO }, /* Reset Switch */
	{ 2, MPP_UNUSED },
	{ 3, MPP_GPIO }, /* RTC Int */
	{ 4, MPP_GPIO },
	{ 5, MPP_GPIO },
	{ 6, MPP_GPIO }, /* PCI_intA */
	{ 7, MPP_GPIO }, /* PCI_intB */
	{ 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, MPP_UNUSED },
	{ 17, MPP_UNUSED },
	{ 18, MPP_UNUSED },
	{ 19, MPP_UNUSED },
	{ -1 },
	};

	static void __init rd88f5182_init(void)
	{
	/*
	* Setup basic Orion functions. Need to be called early.
	*/
	orion5x_init();

	orion5x_mpp_conf(rd88f5182_mpp_modes);

	/*
	* MPP[20] PCI Clock to MV88F5182
	* MPP[21] PCI Clock to mini PCI CON11
	* MPP[22] USB 0 over current indication
	* MPP[23] USB 1 over current indication
	* MPP[24] USB 1 over current enable
	* MPP[25] USB 0 over current enable
	*/

	/*
	* Configure peripherals.
	*/
	orion5x_ehci0_init();
	orion5x_ehci1_init();
	orion5x_eth_init(&rd88f5182_eth_data);
	orion5x_i2c_init();
	orion5x_sata_init(&rd88f5182_sata_data);
	orion5x_uart0_init();
	orion5x_xor_init();

	orion5x_setup_dev_boot_win(RD88F5182_NOR_BOOT_BASE,
	RD88F5182_NOR_BOOT_SIZE);

	orion5x_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE);
	platform_device_register(&rd88f5182_nor_flash);

	i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1);
	}

	MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design")
	/* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
	.boot_params = 0x00000100,
	.init_machine = rd88f5182_init,
	.map_io = orion5x_map_io,
	.init_early = orion5x_init_early,
	.init_irq = orion5x_init_irq,
	.timer = &orion5x_timer,
	MACHINE_END