linux/ixp4xx: add preliminary 2.6.37 kernel support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23964 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 553 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.37/190-cambria_support.patch b/target/linux/ixp4xx/patches-2.6.37/190-cambria_support.patch
new file mode 100644
index 0000000000..683d8be68a
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.37/190-cambria_support.patch
@@ -0,0 +1,553 @@
+--- /dev/null
++++ b/arch/arm/mach-ixp4xx/cambria-pci.c
+@@ -0,0 +1,74 @@
++/*
++ * arch/arch/mach-ixp4xx/cambria-pci.c
++ *
++ * PCI setup routines for Gateworks Cambria series
++ *
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
++ *
++ * based on coyote-pci.c:
++ *	Copyright (C) 2002 Jungo Software Technologies.
++ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
++ *
++ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
++ *
++ * 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/irq.h>
++
++#include <asm/mach-types.h>
++#include <mach/hardware.h>
++#include <asm/irq.h>
++
++#include <asm/mach/pci.h>
++
++extern void ixp4xx_pci_preinit(void);
++extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
++extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
++
++void __init cambria_pci_preinit(void)
++{
++	set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
++	set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
++	set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
++	set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
++
++	ixp4xx_pci_preinit();
++}
++
++static int __init cambria_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
++{
++	if (slot == 1)
++		return IRQ_IXP4XX_GPIO11;
++	else if (slot == 2)
++		return IRQ_IXP4XX_GPIO10;
++	else if (slot == 3)
++		return IRQ_IXP4XX_GPIO9;
++	else if (slot == 4)
++		return IRQ_IXP4XX_GPIO8;
++	else return -1;
++}
++
++struct hw_pci cambria_pci __initdata = {
++	.nr_controllers = 1,
++	.preinit =        cambria_pci_preinit,
++	.swizzle =        pci_std_swizzle,
++	.setup =          ixp4xx_setup,
++	.scan =           ixp4xx_scan_bus,
++	.map_irq =        cambria_map_irq,
++};
++
++int __init cambria_pci_init(void)
++{
++	if (machine_is_cambria())
++		pci_common_init(&cambria_pci);
++	return 0;
++}
++
++subsys_initcall(cambria_pci_init);
+--- /dev/null
++++ b/arch/arm/mach-ixp4xx/cambria-setup.c
+@@ -0,0 +1,429 @@
++/*
++ * arch/arm/mach-ixp4xx/cambria-setup.c
++ *
++ * Board setup for the Gateworks Cambria series
++ *
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
++ *
++ * based on coyote-setup.c:
++ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
++ *
++ * Author: Imre Kaloz <kaloz@openwrt.org>
++ */
++
++#include <linux/device.h>
++#include <linux/i2c.h>
++#include <linux/i2c-gpio.h>
++#include <linux/i2c/at24.h>
++#include <linux/if_ether.h>
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/leds.h>
++#include <linux/memory.h>
++#include <linux/netdevice.h>
++#include <linux/serial.h>
++#include <linux/serial_8250.h>
++#include <linux/slab.h>
++#include <linux/socket.h>
++#include <linux/types.h>
++#include <linux/tty.h>
++
++#include <mach/hardware.h>
++#include <asm/irq.h>
++#include <asm/mach-types.h>
++#include <asm/mach/arch.h>
++#include <asm/mach/flash.h>
++#include <asm/setup.h>
++
++struct cambria_board_info {
++	unsigned char	*model;
++	void		(*setup)(void);
++};
++
++static struct cambria_board_info *cambria_info __initdata;
++
++static struct flash_platform_data cambria_flash_data = {
++	.map_name	= "cfi_probe",
++	.width		= 2,
++};
++
++static struct resource cambria_flash_resource = {
++	.flags		= IORESOURCE_MEM,
++};
++
++static struct platform_device cambria_flash = {
++	.name		= "IXP4XX-Flash",
++	.id		= 0,
++	.dev		= {
++		.platform_data = &cambria_flash_data,
++	},
++	.num_resources	= 1,
++	.resource	= &cambria_flash_resource,
++};
++
++static struct i2c_gpio_platform_data cambria_i2c_gpio_data = {
++	.sda_pin	= 7,
++	.scl_pin	= 6,
++};
++
++static struct platform_device cambria_i2c_gpio = {
++	.name		= "i2c-gpio",
++	.id		= 0,
++	.dev = {
++		.platform_data	= &cambria_i2c_gpio_data,
++	},
++};
++
++static struct eth_plat_info cambria_npec_data = {
++	.phy		= 1,
++	.rxq		= 4,
++	.txreadyq	= 21,
++};
++
++static struct eth_plat_info cambria_npea_data = {
++	.phy		= 2,
++	.rxq		= 2,
++	.txreadyq	= 19,
++};
++
++static struct platform_device cambria_npec_device = {
++	.name			= "ixp4xx_eth",
++	.id			= IXP4XX_ETH_NPEC,
++	.dev.platform_data	= &cambria_npec_data,
++};
++
++static struct platform_device cambria_npea_device = {
++	.name			= "ixp4xx_eth",
++	.id			= IXP4XX_ETH_NPEA,
++	.dev.platform_data	= &cambria_npea_data,
++};
++
++static struct resource cambria_uart_resource = {
++	.start	= IXP4XX_UART1_BASE_PHYS,
++	.end	= IXP4XX_UART1_BASE_PHYS + 0x0fff,
++	.flags	= IORESOURCE_MEM,
++};
++
++static struct plat_serial8250_port cambria_uart_data[] = {
++	{
++		.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,
++	},
++	{ },
++};
++
++static struct platform_device cambria_uart = {
++	.name		= "serial8250",
++	.id		= PLAT8250_DEV_PLATFORM,
++	.dev = {
++		.platform_data	= cambria_uart_data,
++	},
++	.num_resources	= 1,
++	.resource	= &cambria_uart_resource,
++};
++
++static struct resource cambria_pata_resources[] = {
++	{
++		.flags	= IORESOURCE_MEM
++	},
++	{
++		.flags	= IORESOURCE_MEM,
++	},
++	{
++		.name	= "intrq",
++		.start	= IRQ_IXP4XX_GPIO12,
++		.end	= IRQ_IXP4XX_GPIO12,
++		.flags	= IORESOURCE_IRQ,
++	},
++};
++
++static struct ixp4xx_pata_data cambria_pata_data = {
++	.cs0_bits	= 0xbfff3c03,
++	.cs1_bits	= 0xbfff3c03,
++};
++
++static struct platform_device cambria_pata = {
++	.name			= "pata_ixp4xx_cf",
++	.id			= 0,
++	.dev.platform_data      = &cambria_pata_data,
++	.num_resources		= ARRAY_SIZE(cambria_pata_resources),
++	.resource		= cambria_pata_resources,
++};
++
++static struct gpio_led cambria_gpio_leds[] = {
++	{
++		.name		= "user",  /* green led */
++		.gpio		= 5,
++		.active_low 	= 1,
++	}
++};
++
++static struct gpio_led_platform_data cambria_gpio_leds_data = {
++	.num_leds	= 1,
++	.leds		= cambria_gpio_leds,
++};
++
++static struct platform_device cambria_gpio_leds_device = {
++	.name		= "leds-gpio",
++	.id		= -1,
++	.dev.platform_data = &cambria_gpio_leds_data,
++};
++
++static struct latch_led cambria_latch_leds[] = {
++	{
++		.name	= "ledA",  /* green led */
++		.bit	= 0,
++	},
++	{
++		.name	= "ledB",  /* green led */
++		.bit	= 1,
++	},
++	{
++		.name	= "ledC",  /* green led */
++		.bit	= 2,
++	},
++	{
++		.name	= "ledD",  /* green led */
++		.bit	= 3,
++	},
++	{
++		.name	= "ledE",  /* green led */
++		.bit	= 4,
++	},
++	{
++		.name	= "ledF",  /* green led */
++		.bit	= 5,
++	},
++	{
++		.name	= "ledG",  /* green led */
++		.bit	= 6,
++	},
++	{
++		.name	= "ledH",  /* green led */
++		.bit	= 7,
++	}
++};
++
++static struct latch_led_platform_data cambria_latch_leds_data = {
++	.num_leds	= 8,
++	.leds		= cambria_latch_leds,
++	.mem		= 0x53F40000,
++};
++
++static struct platform_device cambria_latch_leds_device = {
++	.name		= "leds-latch",
++	.id		= -1,
++	.dev.platform_data = &cambria_latch_leds_data,
++};
++
++static struct resource cambria_usb0_resources[] = {
++	{
++		.start	= 0xCD000000,
++		.end	= 0xCD000300,
++		.flags	= IORESOURCE_MEM,
++	},
++	{
++		.start	= 32,
++		.flags	= IORESOURCE_IRQ,
++	},
++};
++
++static struct resource cambria_usb1_resources[] = {
++	{
++		.start	= 0xCE000000,
++		.end	= 0xCE000300,
++		.flags	= IORESOURCE_MEM,
++	},
++	{
++		.start	= 33,
++		.flags	= IORESOURCE_IRQ,
++	},
++};
++
++static u64 ehci_dma_mask = ~(u32)0;
++
++static struct platform_device cambria_usb0_device =  {
++	.name		= "ixp4xx-ehci",
++	.id		= 0,
++	.resource	= cambria_usb0_resources,
++	.num_resources	= ARRAY_SIZE(cambria_usb0_resources),
++	.dev = {
++		.dma_mask		= &ehci_dma_mask,
++		.coherent_dma_mask	= 0xffffffff,
++	},
++};
++
++static struct platform_device cambria_usb1_device = {
++	.name		= "ixp4xx-ehci",
++	.id		= 1,
++	.resource	= cambria_usb1_resources,
++	.num_resources	= ARRAY_SIZE(cambria_usb1_resources),
++	.dev = {
++		.dma_mask		= &ehci_dma_mask,
++		.coherent_dma_mask	= 0xffffffff,
++	},
++};
++
++static struct platform_device *cambria_devices[] __initdata = {
++	&cambria_i2c_gpio,
++	&cambria_flash,
++	&cambria_uart,
++};
++
++static void __init cambria_gw23xx_setup(void)
++{
++	platform_device_register(&cambria_npec_device);
++	platform_device_register(&cambria_npea_device);
++}
++
++static void __init cambria_gw2350_setup(void)
++{
++	platform_device_register(&cambria_npec_device);
++	platform_device_register(&cambria_npea_device);
++
++	platform_device_register(&cambria_usb0_device);
++	platform_device_register(&cambria_usb1_device);
++
++	platform_device_register(&cambria_gpio_leds_device);
++}
++
++static void __init cambria_gw2358_setup(void)
++{
++	platform_device_register(&cambria_npec_device);
++	platform_device_register(&cambria_npea_device);
++
++	platform_device_register(&cambria_usb0_device);
++	platform_device_register(&cambria_usb1_device);
++
++	platform_device_register(&cambria_pata);
++
++	platform_device_register(&cambria_latch_leds_device);
++}
++
++static struct cambria_board_info cambria_boards[] __initdata = {
++	{
++		.model	= "GW2350",
++		.setup	= cambria_gw2350_setup,
++	}, {
++		.model	= "GW2358",
++		.setup	= cambria_gw2358_setup,
++	}
++};
++
++static struct cambria_board_info * __init cambria_find_board_info(char *model)
++{
++	int i;
++	model[6] = '\0';
++
++	for (i = 0; i < ARRAY_SIZE(cambria_boards); i++) {
++		struct cambria_board_info *info = &cambria_boards[i];
++		if (strcmp(info->model, model) == 0)
++			return info;
++	}
++
++	return NULL;
++}
++
++static struct memory_accessor *at24_mem_acc;
++
++static void at24_setup(struct memory_accessor *mem_acc, void *context)
++{
++	char mac_addr[ETH_ALEN];
++	char model[7];
++
++	at24_mem_acc = mem_acc;
++
++	/* Read MAC addresses */
++	if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
++		memcpy(&cambria_npec_data.hwaddr, mac_addr, ETH_ALEN);
++	}
++	if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
++		memcpy(&cambria_npea_data.hwaddr, mac_addr, ETH_ALEN);
++	}
++
++	/* Read the first 6 bytes of the model number */
++	if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
++		cambria_info = cambria_find_board_info(model);
++	}
++
++}
++
++static struct at24_platform_data cambria_eeprom_info = {
++	.byte_len	= 1024,
++	.page_size	= 16,
++	.flags		= AT24_FLAG_READONLY,
++	.setup		= at24_setup,
++};
++
++static struct i2c_board_info __initdata cambria_i2c_board_info[] = {
++	{
++		I2C_BOARD_INFO("ds1672", 0x68),
++	},
++	{
++		I2C_BOARD_INFO("ad7418", 0x28),
++	},
++	{
++		I2C_BOARD_INFO("24c08", 0x51),
++		.platform_data	= &cambria_eeprom_info
++	},
++};
++
++static void __init cambria_init(void)
++{
++	ixp4xx_sys_init();
++
++	cambria_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
++	cambria_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
++
++	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
++	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
++
++	platform_add_devices(cambria_devices, ARRAY_SIZE(cambria_devices));
++
++	cambria_pata_resources[0].start = 0x53e00000;
++	cambria_pata_resources[0].end = 0x53e3ffff;
++
++	cambria_pata_resources[1].start = 0x53e40000;
++	cambria_pata_resources[1].end = 0x53e7ffff;
++
++	cambria_pata_data.cs0_cfg = IXP4XX_EXP_CS3;
++	cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
++
++	i2c_register_board_info(0, cambria_i2c_board_info,
++				ARRAY_SIZE(cambria_i2c_board_info));
++}
++
++static int __init cambria_model_setup(void)
++{
++	if (!machine_is_cambria())
++		return 0;
++
++	if (cambria_info) {
++		printk(KERN_DEBUG "Running on Gateworks Cambria %s\n",
++				cambria_info->model);
++		cambria_info->setup();
++	} else {
++		printk(KERN_INFO "Unknown/missing Cambria model number"
++				" -- defaults will be used\n");
++		cambria_gw23xx_setup();
++	}
++
++	return 0;
++}
++late_initcall(cambria_model_setup);
++
++MACHINE_START(CAMBRIA, "Gateworks Cambria series")
++	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
++	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
++	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
++	.map_io		= ixp4xx_map_io,
++	.init_irq	= ixp4xx_init_irq,
++	.timer		= &ixp4xx_timer,
++	.boot_params	= 0x0100,
++	.init_machine	= cambria_init,
++MACHINE_END
+--- a/arch/arm/mach-ixp4xx/Kconfig
++++ b/arch/arm/mach-ixp4xx/Kconfig
+@@ -25,6 +25,14 @@ config MACH_AVILA
+ 	  Avila Network Platform. For more information on this platform,
+ 	  see <file:Documentation/arm/IXP4xx>.
+ 
++config MACH_CAMBRIA
++	bool "Cambria"
++	select PCI
++	help
++	  Say 'Y' here if you want your kernel to support the Gateworks
++	  Cambria series. For more information on this platform,
++	  see <file:Documentation/arm/IXP4xx>.
++
+ config MACH_LOFT
+     bool "Loft"
+     depends on MACH_AVILA
+@@ -222,7 +230,7 @@ config CPU_IXP46X
+ 
+ config CPU_IXP43X
+ 	bool
+-	depends on MACH_KIXRP435
++	depends on MACH_KIXRP435 || MACH_CAMBRIA
+ 	default y
+ 
+ config MACH_GTWX5715
+--- a/arch/arm/mach-ixp4xx/Makefile
++++ b/arch/arm/mach-ixp4xx/Makefile
+@@ -7,6 +7,7 @@ obj-pci-n	:=
+ 
+ obj-pci-$(CONFIG_ARCH_IXDP4XX)		+= ixdp425-pci.o
+ obj-pci-$(CONFIG_MACH_AVILA)		+= avila-pci.o
++obj-pci-$(CONFIG_MACH_CAMBRIA)		+= cambria-pci.o
+ obj-pci-$(CONFIG_MACH_IXDPG425)		+= ixdpg425-pci.o
+ obj-pci-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-pci.o
+ obj-pci-$(CONFIG_MACH_GTWX5715)		+= gtwx5715-pci.o
+@@ -30,6 +31,7 @@ obj-y	+= common.o
+ 
+ obj-$(CONFIG_ARCH_IXDP4XX)	+= ixdp425-setup.o
+ obj-$(CONFIG_MACH_AVILA)	+= avila-setup.o
++obj-$(CONFIG_MACH_CAMBRIA)	+= cambria-setup.o
+ obj-$(CONFIG_MACH_IXDPG425)	+= coyote-setup.o
+ obj-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-setup.o
+ obj-$(CONFIG_MACH_GTWX5715)	+= gtwx5715-setup.o