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209 lines
4.8 KiB
209 lines
4.8 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* arch/arm/mach-ixp4xx/avila-setup.c |
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* |
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* Gateworks Avila board-setup |
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* |
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* Author: Michael-Luke Jones <[email protected]> |
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* |
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* Based on ixdp-setup.c |
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* Copyright (C) 2003-2005 MontaVista Software, Inc. |
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* |
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* Author: Deepak Saxena <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/device.h> |
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#include <linux/serial.h> |
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#include <linux/tty.h> |
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#include <linux/serial_8250.h> |
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#include <linux/gpio/machine.h> |
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#include <asm/types.h> |
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#include <asm/setup.h> |
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#include <asm/memory.h> |
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#include <mach/hardware.h> |
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#include <asm/mach-types.h> |
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#include <asm/irq.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/flash.h> |
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#include "irqs.h" |
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#define AVILA_SDA_PIN 7 |
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#define AVILA_SCL_PIN 6 |
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static struct flash_platform_data avila_flash_data = { |
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.map_name = "cfi_probe", |
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.width = 2, |
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}; |
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static struct resource avila_flash_resource = { |
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.flags = IORESOURCE_MEM, |
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}; |
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static struct platform_device avila_flash = { |
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.name = "IXP4XX-Flash", |
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.id = 0, |
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.dev = { |
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.platform_data = &avila_flash_data, |
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}, |
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.num_resources = 1, |
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.resource = &avila_flash_resource, |
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}; |
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static struct gpiod_lookup_table avila_i2c_gpiod_table = { |
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.dev_id = "i2c-gpio.0", |
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.table = { |
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GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SDA_PIN, |
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NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), |
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GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SCL_PIN, |
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NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), |
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}, |
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}; |
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static struct platform_device avila_i2c_gpio = { |
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.name = "i2c-gpio", |
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.id = 0, |
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.dev = { |
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.platform_data = NULL, |
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}, |
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}; |
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static struct resource avila_uart_resources[] = { |
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{ |
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.start = IXP4XX_UART1_BASE_PHYS, |
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.end = IXP4XX_UART1_BASE_PHYS + 0x0fff, |
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.flags = IORESOURCE_MEM |
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}, |
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{ |
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.start = IXP4XX_UART2_BASE_PHYS, |
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.end = IXP4XX_UART2_BASE_PHYS + 0x0fff, |
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.flags = IORESOURCE_MEM |
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} |
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}; |
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static struct plat_serial8250_port avila_uart_data[] = { |
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{ |
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.mapbase = IXP4XX_UART1_BASE_PHYS, |
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.membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, |
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.irq = IRQ_IXP4XX_UART1, |
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.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, |
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.iotype = UPIO_MEM, |
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.regshift = 2, |
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.uartclk = IXP4XX_UART_XTAL, |
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}, |
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{ |
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.mapbase = IXP4XX_UART2_BASE_PHYS, |
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.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, |
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.irq = IRQ_IXP4XX_UART2, |
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.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, |
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.iotype = UPIO_MEM, |
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.regshift = 2, |
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.uartclk = IXP4XX_UART_XTAL, |
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}, |
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{ }, |
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}; |
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static struct platform_device avila_uart = { |
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.name = "serial8250", |
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.id = PLAT8250_DEV_PLATFORM, |
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.dev.platform_data = avila_uart_data, |
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.num_resources = 2, |
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.resource = avila_uart_resources |
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}; |
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static struct resource avila_pata_resources[] = { |
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{ |
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.flags = IORESOURCE_MEM |
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}, |
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{ |
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.flags = IORESOURCE_MEM, |
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}, |
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{ |
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.name = "intrq", |
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.start = IRQ_IXP4XX_GPIO12, |
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.end = IRQ_IXP4XX_GPIO12, |
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.flags = IORESOURCE_IRQ, |
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}, |
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}; |
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static struct ixp4xx_pata_data avila_pata_data = { |
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.cs0_bits = 0xbfff0043, |
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.cs1_bits = 0xbfff0043, |
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}; |
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static struct platform_device avila_pata = { |
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.name = "pata_ixp4xx_cf", |
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.id = 0, |
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.dev.platform_data = &avila_pata_data, |
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.num_resources = ARRAY_SIZE(avila_pata_resources), |
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.resource = avila_pata_resources, |
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}; |
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static struct platform_device *avila_devices[] __initdata = { |
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&avila_i2c_gpio, |
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&avila_flash, |
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&avila_uart |
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}; |
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static void __init avila_init(void) |
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{ |
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ixp4xx_sys_init(); |
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avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); |
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avila_flash_resource.end = |
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IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; |
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gpiod_add_lookup_table(&avila_i2c_gpiod_table); |
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platform_add_devices(avila_devices, ARRAY_SIZE(avila_devices)); |
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avila_pata_resources[0].start = IXP4XX_EXP_BUS_BASE(1); |
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avila_pata_resources[0].end = IXP4XX_EXP_BUS_END(1); |
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avila_pata_resources[1].start = IXP4XX_EXP_BUS_BASE(2); |
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avila_pata_resources[1].end = IXP4XX_EXP_BUS_END(2); |
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avila_pata_data.cs0_cfg = IXP4XX_EXP_CS1; |
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avila_pata_data.cs1_cfg = IXP4XX_EXP_CS2; |
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platform_device_register(&avila_pata); |
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} |
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MACHINE_START(AVILA, "Gateworks Avila Network Platform") |
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/* Maintainer: Deepak Saxena <[email protected]> */ |
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.map_io = ixp4xx_map_io, |
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.init_early = ixp4xx_init_early, |
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.init_irq = ixp4xx_init_irq, |
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.init_time = ixp4xx_timer_init, |
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.atag_offset = 0x100, |
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.init_machine = avila_init, |
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#if defined(CONFIG_PCI) |
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.dma_zone_size = SZ_64M, |
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#endif |
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.restart = ixp4xx_restart, |
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MACHINE_END |
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/* |
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* Loft is functionally equivalent to Avila except that it has a |
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* different number for the maximum PCI devices. The MACHINE |
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* structure below is identical to Avila except for the comment. |
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*/ |
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#ifdef CONFIG_MACH_LOFT |
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MACHINE_START(LOFT, "Giant Shoulder Inc Loft board") |
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/* Maintainer: Tom Billman <[email protected]> */ |
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.map_io = ixp4xx_map_io, |
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.init_early = ixp4xx_init_early, |
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.init_irq = ixp4xx_init_irq, |
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.init_time = ixp4xx_timer_init, |
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.atag_offset = 0x100, |
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.init_machine = avila_init, |
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#if defined(CONFIG_PCI) |
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.dma_zone_size = SZ_64M, |
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#endif |
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.restart = ixp4xx_restart, |
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MACHINE_END |
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#endif |
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