Commit 2b8f0119 authored by Richard Cochran's avatar Richard Cochran Committed by Arnd Bergmann
Browse files

ixp4xx: support omicron ixp425 based boards 



This patch adds board support for the DEVIXP, the MICCPT, and the
MIC256, which are three IXP425 based boards produced by OMICRON
electronics, GmbH.

Signed-off-by: default avatarRichard Cochran <richard.cochran@omicron.at>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent ddf28352

arch/arm/mach-ixp4xx/Kconfig

+19 −0
Original line number Diff line number Diff line
@@ -179,6 +179,25 @@ config MACH_GTWX5715 
		"High Speed" UART is n/c (as far as I can tell)

		20 Pin ARM/Xscale JTAG interface on J2



config MACH_DEVIXP

	bool "Omicron DEVIXP"

	help

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

	  board from OMICRON electronics GmbH.



config MACH_MICCPT

	bool "Omicron MICCPT"

	select PCI

	help

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

	  board from OMICRON electronics GmbH.



config MACH_MIC256

	bool "Omicron MIC256"

	help

	  Say 'Y' here if you want your kernel to support the MIC256

	  board from OMICRON electronics GmbH.



comment "IXP4xx Options"



config IXP4XX_INDIRECT_PCI

arch/arm/mach-ixp4xx/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ obj-pci-$(CONFIG_MACH_AVILA) += avila-pci.o 
obj-pci-$(CONFIG_MACH_IXDPG425)		+= ixdpg425-pci.o

obj-pci-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-pci.o

obj-pci-$(CONFIG_MACH_GTWX5715)		+= gtwx5715-pci.o

obj-pci-$(CONFIG_MACH_MICCPT)		+= miccpt-pci.o

obj-pci-$(CONFIG_MACH_NSLU2)		+= nslu2-pci.o

obj-pci-$(CONFIG_MACH_NAS100D)		+= nas100d-pci.o

obj-pci-$(CONFIG_MACH_DSMG600)		+= dsmg600-pci.o
@@ -25,6 +26,9 @@ obj-$(CONFIG_MACH_AVILA) += avila-setup.o 
obj-$(CONFIG_MACH_IXDPG425)	+= coyote-setup.o

obj-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-setup.o

obj-$(CONFIG_MACH_GTWX5715)	+= gtwx5715-setup.o

obj-$(CONFIG_MACH_DEVIXP)	+= omixp-setup.o

obj-$(CONFIG_MACH_MICCPT)	+= omixp-setup.o

obj-$(CONFIG_MACH_MIC256)	+= omixp-setup.o

obj-$(CONFIG_MACH_NSLU2)	+= nslu2-setup.o

obj-$(CONFIG_MACH_NAS100D)	+= nas100d-setup.o

obj-$(CONFIG_MACH_DSMG600)      += dsmg600-setup.o

arch/arm/mach-ixp4xx/include/mach/uncompress.h

+2 −1
Original line number Diff line number Diff line
@@ -41,7 +41,8 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) 
	 * Some boards are using UART2 as console

	 */

	if (machine_is_adi_coyote() || machine_is_gtwx5715() ||

			 machine_is_gateway7001() || machine_is_wg302v2())

	    machine_is_gateway7001() || machine_is_wg302v2() ||

	    machine_is_devixp() || machine_is_miccpt() || machine_is_mic256())

		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;

	else

		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;

arch/arm/mach-ixp4xx/miccpt-pci.c

0 → 100644
+78 −0
Original line number Diff line number Diff line 
/*

 * arch/arm/mach-ixp4xx/miccpt-pci.c

 *

 * MICCPT board-level PCI initialization

 *

 * Copyright (C) 2002 Intel Corporation.

 * Copyright (C) 2003-2004 MontaVista Software, Inc.

 * Copyright (C) 2006 OMICRON electronics GmbH

 *

 * Author: Michael Jochum <michael.jochum@omicron.at>

 *

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

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 */



#include <linux/kernel.h>

#include <linux/pci.h>

#include <linux/init.h>

#include <linux/delay.h>

#include <linux/irq.h>

#include <asm/mach/pci.h>

#include <asm/irq.h>

#include <mach/hardware.h>

#include <asm/mach-types.h>



#define MAX_DEV		4

#define IRQ_LINES	4



/* PCI controller GPIO to IRQ pin mappings */

#define INTA		1

#define INTB		2

#define INTC		3

#define INTD		4





void __init miccpt_pci_preinit(void)

{

	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW);

	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW);

	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTC), IRQ_TYPE_LEVEL_LOW);

	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTD), IRQ_TYPE_LEVEL_LOW);

	ixp4xx_pci_preinit();

}



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

{

	static int pci_irq_table[IRQ_LINES] = {

		IXP4XX_GPIO_IRQ(INTA),

		IXP4XX_GPIO_IRQ(INTB),

		IXP4XX_GPIO_IRQ(INTC),

		IXP4XX_GPIO_IRQ(INTD)

	};



	if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)

		return pci_irq_table[(slot + pin - 2) % 4];



	return -1;

}



struct hw_pci miccpt_pci __initdata = {

	.nr_controllers = 1,

	.preinit	= miccpt_pci_preinit,

	.swizzle	= pci_std_swizzle,

	.setup		= ixp4xx_setup,

	.scan		= ixp4xx_scan_bus,

	.map_irq	= miccpt_map_irq,

};



int __init miccpt_pci_init(void)

{

	if (machine_is_miccpt())

		pci_common_init(&miccpt_pci);

	return 0;

}



subsys_initcall(miccpt_pci_init);

arch/arm/mach-ixp4xx/omixp-setup.c

0 → 100644
+273 −0
Original line number Diff line number Diff line 
/*

 * arch/arm/mach-ixp4xx/omixp-setup.c

 *

 * omicron ixp4xx board setup

 *      Copyright (C) 2009 OMICRON electronics GmbH

 *

 * based nslu2-setup.c, ixdp425-setup.c:

 *      Copyright (C) 2003-2004 MontaVista Software, Inc.

 *

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

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */



#include <linux/kernel.h>

#include <linux/serial.h>

#include <linux/serial_8250.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>

#ifdef CONFIG_LEDS_CLASS

#include <linux/leds.h>

#endif



#include <asm/setup.h>

#include <asm/memory.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/flash.h>



static struct resource omixp_flash_resources[] = {

	{

		.flags	= IORESOURCE_MEM,

	}, {

		.flags	= IORESOURCE_MEM,

	},

};



static struct mtd_partition omixp_partitions[] = {

	{

		.name =		"Recovery Bootloader",

		.size =		0x00020000,

		.offset =	0,

	}, {

		.name =		"Calibration Data",

		.size =		0x00020000,

		.offset =	0x00020000,

	}, {

		.name =		"Recovery FPGA",

		.size =		0x00020000,

		.offset =	0x00040000,

	}, {

		.name =		"Release Bootloader",

		.size =		0x00020000,

		.offset =	0x00060000,

	}, {

		.name =		"Release FPGA",

		.size =		0x00020000,

		.offset =	0x00080000,

	}, {

		.name =		"Kernel",

		.size =		0x00160000,

		.offset =	0x000a0000,

	}, {

		.name =		"Filesystem",

		.size =		0x00C00000,

		.offset =	0x00200000,

	}, {

		.name =		"Persistent Storage",

		.size =		0x00200000,

		.offset =	0x00E00000,

	},

};



static struct flash_platform_data omixp_flash_data[] = {

	{

		.map_name	= "cfi_probe",

		.parts		= omixp_partitions,

		.nr_parts	= ARRAY_SIZE(omixp_partitions),

	}, {

		.map_name	= "cfi_probe",

		.parts		= NULL,

		.nr_parts	= 0,

	},

};



static struct platform_device omixp_flash_device[] = {

	{

		.name		= "IXP4XX-Flash",

		.id		= 0,

		.dev = {

			.platform_data = &omixp_flash_data[0],

		},

		.resource = &omixp_flash_resources[0],

		.num_resources = 1,

	}, {

		.name		= "IXP4XX-Flash",

		.id		= 1,

		.dev = {

			.platform_data = &omixp_flash_data[1],

		},

		.resource = &omixp_flash_resources[1],

		.num_resources = 1,

	},

};



/* Swap UART's - These boards have the console on UART2. The following

 * configuration is used:

 *      ttyS0 .. UART2

 *      ttyS1 .. UART1

 * This way standard images can be used with the kernel that expect

 * the console on ttyS0.

 */

static struct resource omixp_uart_resources[] = {

	{

		.start		= IXP4XX_UART2_BASE_PHYS,

		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,

		.flags		= IORESOURCE_MEM,

	}, {

		.start		= IXP4XX_UART1_BASE_PHYS,

		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,

		.flags		= IORESOURCE_MEM,

	},

};



static struct plat_serial8250_port omixp_uart_data[] = {

	{

		.mapbase	= IXP4XX_UART2_BASE_PHYS,

		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,

		.irq		= IRQ_IXP4XX_UART2,

		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,

		.iotype		= UPIO_MEM,

		.regshift	= 2,

		.uartclk	= IXP4XX_UART_XTAL,

	}, {

		.mapbase	= IXP4XX_UART1_BASE_PHYS,

		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,

		.irq		= IRQ_IXP4XX_UART1,

		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,

		.iotype		= UPIO_MEM,

		.regshift	= 2,

		.uartclk	= IXP4XX_UART_XTAL,

	}, {

		/* list termination */

	}

};



static struct platform_device omixp_uart = {

	.name			= "serial8250",

	.id			= PLAT8250_DEV_PLATFORM,

	.dev.platform_data	= omixp_uart_data,

	.num_resources		= 2,

	.resource		= omixp_uart_resources,

};



static struct gpio_led mic256_led_pins[] = {

	{

		.name		= "LED-A",

		.gpio		= 7,

	},

};



static struct gpio_led_platform_data mic256_led_data = {

	.num_leds		= ARRAY_SIZE(mic256_led_pins),

	.leds			= mic256_led_pins,

};



static struct platform_device mic256_leds = {

	.name			= "leds-gpio",

	.id			= -1,

	.dev.platform_data	= &mic256_led_data,

};



/* Built-in 10/100 Ethernet MAC interfaces */

static struct eth_plat_info ixdp425_plat_eth[] = {

	{

		.phy		= 0,

		.rxq		= 3,

		.txreadyq	= 20,

	}, {

		.phy		= 1,

		.rxq		= 4,

		.txreadyq	= 21,

	},

};



static struct platform_device ixdp425_eth[] = {

	{

		.name			= "ixp4xx_eth",

		.id			= IXP4XX_ETH_NPEB,

		.dev.platform_data	= ixdp425_plat_eth,

	}, {

		.name			= "ixp4xx_eth",

		.id			= IXP4XX_ETH_NPEC,

		.dev.platform_data	= ixdp425_plat_eth + 1,

	},

};





static struct platform_device *devixp_pldev[] __initdata = {

	&omixp_uart,

	&omixp_flash_device[0],

	&ixdp425_eth[0],

	&ixdp425_eth[1],

};



static struct platform_device *mic256_pldev[] __initdata = {

	&omixp_uart,

	&omixp_flash_device[0],

	&mic256_leds,

	&ixdp425_eth[0],

	&ixdp425_eth[1],

};



static struct platform_device *miccpt_pldev[] __initdata = {

	&omixp_uart,

	&omixp_flash_device[0],

	&omixp_flash_device[1],

	&ixdp425_eth[0],

	&ixdp425_eth[1],

};



static void __init omixp_init(void)

{

	ixp4xx_sys_init();



	/* 16MiB Boot Flash */

	omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0);

	omixp_flash_resources[0].end   = IXP4XX_EXP_BUS_END(0);



	/* 32 MiB Data Flash */

	omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2);

	omixp_flash_resources[1].end   = IXP4XX_EXP_BUS_END(2);



	if (machine_is_devixp())

		platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev));

	else if (machine_is_miccpt())

		platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev));

	else if (machine_is_mic256())

		platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev));

}



#ifdef CONFIG_MACH_DEVIXP

MACHINE_START(DEVIXP, "Omicron DEVIXP")

	.boot_params    = 0x100,

	.map_io		= ixp4xx_map_io,

	.init_irq	= ixp4xx_init_irq,

	.timer          = &ixp4xx_timer,

	.init_machine	= omixp_init,

MACHINE_END

#endif



#ifdef CONFIG_MACH_MICCPT

MACHINE_START(MICCPT, "Omicron MICCPT")

	.boot_params    = 0x100,

	.map_io		= ixp4xx_map_io,

	.init_irq	= ixp4xx_init_irq,

	.timer          = &ixp4xx_timer,

	.init_machine	= omixp_init,

#if defined(CONFIG_PCI)

	.dma_zone_size	= SZ_64M,

#endif

MACHINE_END

#endif



#ifdef CONFIG_MACH_MIC256

MACHINE_START(MIC256, "Omicron MIC256")

	.boot_params    = 0x100,

	.map_io		= ixp4xx_map_io,

	.init_irq	= ixp4xx_init_irq,

	.timer          = &ixp4xx_timer,

	.init_machine	= omixp_init,

MACHINE_END

#endif

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