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Commit 0c92e830 authored by Lennert Buytenhek's avatar Lennert Buytenhek Committed by Russell King
Browse files

[ARM] 3851/1: iop3xx: add io-data glantank support 



Add support for the IO-Data GLAN Tank, from Martin Michlmayr.

Signed-off-by: default avatarMartin Michlmayr <tbm@cyrius.com>
Signed-off-by: default avatarLennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e60d07b6

arch/arm/configs/iop32x_defconfig

+1 −0
Original line number Original line Diff line number Diff line
@@ -126,6 +126,7 @@ CONFIG_ARCH_IOP32X=y 
#

#

# IOP32x Platform Types

# IOP32x Platform Types

#

#

CONFIG_MACH_GLANTANK=y

CONFIG_ARCH_IQ80321=y

CONFIG_ARCH_IQ80321=y

CONFIG_ARCH_IQ31244=y

CONFIG_ARCH_IQ31244=y

CONFIG_MACH_N2100=y

CONFIG_MACH_N2100=y

arch/arm/mach-iop32x/Kconfig

+7 −0
Original line number Original line Diff line number Diff line
@@ -4,6 +4,13 @@ menu "IOP32x Implementation Options" 




comment "IOP32x Platform Types"

comment "IOP32x Platform Types"





config MACH_GLANTANK

	bool "Enable support for the IO-Data GLAN Tank"

	help

	  Say Y here if you want to run your kernel on the GLAN Tank

	  NAS appliance or machines from IO-Data's HDL-Gxxx, HDL-GWxxx

	  and HDL-GZxxx series.



config ARCH_IQ80321

config ARCH_IQ80321

	bool "Enable support for IQ80321"

	bool "Enable support for IQ80321"

	help

	help

arch/arm/mach-iop32x/Makefile

+1 −0
Original line number Original line Diff line number Diff line
@@ -7,6 +7,7 @@ obj-m := 
obj-n			:=

obj-n			:=

obj-			:=

obj-			:=





obj-$(CONFIG_MACH_GLANTANK) += glantank.o

obj-$(CONFIG_ARCH_IQ80321) += iq80321.o

obj-$(CONFIG_ARCH_IQ80321) += iq80321.o

obj-$(CONFIG_ARCH_IQ31244) += iq31244.o

obj-$(CONFIG_ARCH_IQ31244) += iq31244.o

obj-$(CONFIG_MACH_N2100) += n2100.o
 
obj-$(CONFIG_MACH_N2100) += n2100.o

arch/arm/mach-iop32x/glantank.c

0 → 100644
+195 −0
Original line number Original line Diff line number Diff line 
/*

 * arch/arm/mach-iop32x/glantank.c

 *

 * Board support code for the GLAN Tank.

 *

 * Copyright (C) 2006 Martin Michlmayr <tbm@cyrius.com>

 * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>

 *

 * 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/mm.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/pci.h>

#include <linux/string.h>

#include <linux/slab.h>

#include <linux/serial_core.h>

#include <linux/serial_8250.h>

#include <linux/mtd/physmap.h>

#include <linux/platform_device.h>

#include <asm/hardware.h>

#include <asm/io.h>

#include <asm/irq.h>

#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/pci.h>

#include <asm/mach/time.h>

#include <asm/mach-types.h>

#include <asm/page.h>



/*

 * GLAN Tank timer tick configuration.

 */

static void __init glantank_timer_init(void)

{

	/* 33.333 MHz crystal.  */

	iop3xx_init_time(200000000);

}



static struct sys_timer glantank_timer = {

	.init		= glantank_timer_init,

	.offset		= iop3xx_gettimeoffset,

};





/*

 * GLAN Tank I/O.

 */

static struct map_desc glantank_io_desc[] __initdata = {

	{	/* on-board devices */

		.virtual	= GLANTANK_UART,

		.pfn		= __phys_to_pfn(GLANTANK_UART),

		.length		= 0x00100000,

		.type		= MT_DEVICE

	},

};



void __init glantank_map_io(void)

{

	iop3xx_map_io();

	iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc));

}





/*

 * GLAN Tank PCI.

 */

#define INTA	IRQ_IOP32X_XINT0

#define INTB	IRQ_IOP32X_XINT1

#define INTC	IRQ_IOP32X_XINT2

#define INTD	IRQ_IOP32X_XINT3



static inline int __init

glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)

{

	static int pci_irq_table[][4] = {

		/*

		 * PCI IDSEL/INTPIN->INTLINE

		 * A       B       C       D

		 */

		{INTD, INTD, INTD, INTD}, /* UART (8250) */

		{INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */

		{INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */

		{INTC, INTC, INTC, INTC}, /* USB (NEC) */

	};



	BUG_ON(pin < 1 || pin > 4);



	return pci_irq_table[slot % 4][pin - 1];

}



static struct hw_pci glantank_pci __initdata = {

	.swizzle	= pci_std_swizzle,

	.nr_controllers = 1,

	.setup		= iop3xx_pci_setup,

	.preinit	= iop3xx_pci_preinit,

	.scan		= iop3xx_pci_scan_bus,

	.map_irq	= glantank_pci_map_irq,

};



static int __init glantank_pci_init(void)

{

	if (machine_is_glantank())

		pci_common_init(&glantank_pci);



	return 0;

}



subsys_initcall(glantank_pci_init);





/*

 * GLAN Tank machine initialization.

 */

static struct physmap_flash_data glantank_flash_data = {

	.width		= 1,

};



static struct resource glantank_flash_resource = {

	.start		= 0xf0000000,

	.end		= 0xf007ffff,

	.flags		= IORESOURCE_MEM,

};



static struct platform_device glantank_flash_device = {

	.name		= "physmap-flash",

	.id		= 0,

	.dev		= {

		.platform_data	= &glantank_flash_data,

	},

	.num_resources	= 1,

	.resource	= &glantank_flash_resource,

};



static struct plat_serial8250_port glantank_serial_port[] = {

	{

		.mapbase	= GLANTANK_UART,

		.membase	= (char *)GLANTANK_UART,

		.irq		= IRQ_IOP32X_XINT3,

		.flags		= UPF_SKIP_TEST,

		.iotype		= UPIO_MEM,

		.regshift	= 0,

		.uartclk	= 1843200,

	},

	{ },

};



static struct resource glantank_uart_resource = {

	.start		= GLANTANK_UART,

	.end		= GLANTANK_UART + 7,

	.flags		= IORESOURCE_MEM,

};



static struct platform_device glantank_serial_device = {

	.name		= "serial8250",

	.id		= PLAT8250_DEV_PLATFORM,

	.dev		= {

		.platform_data		= glantank_serial_port,

	},

	.num_resources	= 1,

	.resource	= &glantank_uart_resource,

};



static void glantank_power_off(void)

{

	__raw_writeb(0x01, 0xfe8d0004);



	while (1)

		;

}



static void __init glantank_init_machine(void)

{

	platform_device_register(&iop3xx_i2c0_device);

	platform_device_register(&iop3xx_i2c1_device);

	platform_device_register(&glantank_flash_device);

	platform_device_register(&glantank_serial_device);



	pm_power_off = glantank_power_off;

}



MACHINE_START(GLANTANK, "GLAN Tank")

	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */

	.phys_io	= GLANTANK_UART,

	.io_pg_offst	= ((GLANTANK_UART) >> 18) & 0xfffc,

	.boot_params	= 0xa0000100,

	.map_io		= glantank_map_io,

	.init_irq	= iop32x_init_irq,

	.timer		= &glantank_timer,

	.init_machine	= glantank_init_machine,

MACHINE_END

arch/arm/mach-iop32x/irq.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -62,7 +62,8 @@ void __init iop32x_init_irq(void) 




	intctl_write(0);

	intctl_write(0);

	intstr_write(0);

	intstr_write(0);

	if (machine_is_iq80321() ||

	if (machine_is_glantank() ||

	    machine_is_iq80321() ||

	    machine_is_iq31244() ||

	    machine_is_iq31244() ||

	    machine_is_n2100())

	    machine_is_n2100())

		*IOP3XX_PCIIRSR = 0x0f;

		*IOP3XX_PCIIRSR = 0x0f;