Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/Kconfig =================================================================== --- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/Kconfig +++ linux-2.6.25.4/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 @@ -200,7 +208,7 @@ config CPU_IXP46X config CPU_IXP43X bool - depends on MACH_KIXRP435 + depends on MACH_KIXRP435 || MACH_CAMBRIA default y config MACH_GTWX5715 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/Makefile =================================================================== --- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/Makefile +++ linux-2.6.25.4/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 @@ -28,6 +29,7 @@ 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 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-pci.c =================================================================== --- /dev/null +++ linux-2.6.25.4/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 <asm/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, IRQT_LOW); + set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW); + set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW); + set_irq_type(IRQ_IXP4XX_GPIO8, IRQT_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); Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-setup.c =================================================================== --- /dev/null +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-setup.c @@ -0,0 +1,444 @@ +/* + * 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/kernel.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/if_ether.h> +#include <linux/socket.h> +#include <linux/netdevice.h> +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/serial_8250.h> +#include <linux/slab.h> +#ifdef CONFIG_SENSORS_EEPROM +# include <linux/i2c.h> +# include <linux/eeprom.h> +#endif + +#include <linux/leds.h> +#include <linux/i2c-gpio.h> +#include <asm/types.h> +#include <asm/setup.h> +#include <asm/memory.h> +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/flash.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 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 eth_plat_info cambria_npec_data = { + .phy = 2, + .rxq = 4, + .txreadyq = 21, +}; + +static struct eth_plat_info cambria_npea_data = { + .phy = 1, + .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 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); +} + +#ifdef CONFIG_SENSORS_EEPROM +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; + + for (i = 0; i < ARRAY_SIZE(cambria_boards); i++) { + struct cambria_board_info *info = &cambria_boards[i]; + if (strncmp(info->model, model, strlen(info->model)) == 0) + return info; + } + + return NULL; +} + +struct cambria_eeprom_header { + unsigned char mac0[ETH_ALEN]; + unsigned char mac1[ETH_ALEN]; + unsigned char res0[4]; + unsigned char magic[2]; + unsigned char config[14]; + unsigned char model[16]; +}; + +static int __init cambria_eeprom_notify(struct notifier_block *self, + unsigned long event, void *t) +{ + struct eeprom_data *ee = t; + struct cambria_eeprom_header hdr; + + if (cambria_info) + return NOTIFY_DONE; + + /* The eeprom is at address 0x51 */ + if (event != EEPROM_REGISTER || ee->client.addr != 0x51) + return NOTIFY_DONE; + + ee->attr->read(&ee->client.dev.kobj, ee->attr, (char *)&hdr, + 0, sizeof(hdr)); + + if (hdr.magic[0] != 'G' || hdr.magic[1] != 'W') + return NOTIFY_DONE; + + memcpy(&cambria_npec_data.hwaddr, hdr.mac0, ETH_ALEN); + memcpy(&cambria_npea_data.hwaddr, hdr.mac1, ETH_ALEN); + + cambria_info = cambria_find_board_info(hdr.model); + + return NOTIFY_OK; +} + +static struct notifier_block cambria_eeprom_notifier __initdata = { + .notifier_call = cambria_eeprom_notify +}; + +static void __init cambria_register_eeprom_notifier(void) +{ + register_eeprom_notifier(&cambria_eeprom_notifier); +} + +static void __init cambria_unregister_eeprom_notifier(void) +{ + unregister_eeprom_notifier(&cambria_eeprom_notifier); +} +#else /* CONFIG_SENSORS_EEPROM */ +static inline void cambria_register_eeprom_notifier(void) {}; +static inline void cambria_unregister_eeprom_notifier(void) {}; +#endif /* CONFIG_SENSORS_EEPROM */ + +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; + + cambria_register_eeprom_notifier(); +} + +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(); + } + + cambria_unregister_eeprom_notifier(); + return 0; +} +late_initcall(cambria_model_setup); + +#ifdef CONFIG_MACH_CAMBRIA +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 +#endif Index: linux-2.6.25.4/include/asm-arm/arch-ixp4xx/hardware.h =================================================================== --- linux-2.6.25.4.orig/include/asm-arm/arch-ixp4xx/hardware.h +++ linux-2.6.25.4/include/asm-arm/arch-ixp4xx/hardware.h @@ -18,7 +18,7 @@ #define __ASM_ARCH_HARDWARE_H__ #define PCIBIOS_MIN_IO 0x00001000 -#define PCIBIOS_MIN_MEM (cpu_is_ixp43x() ? 0x40000000 : 0x48000000) +#define PCIBIOS_MIN_MEM (cpu_is_ixp43x() ? 0x48000000 : 0x48000000) /* * We override the standard dma-mask routines for bouncing.