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Release 4.17 arch/arm/mach-ixp4xx/avila-setup.c

// SPDX-License-Identifier: GPL-2.0
/*
 * arch/arm/mach-ixp4xx/avila-setup.c
 *
 * Gateworks Avila board-setup
 *
 * Author: Michael-Luke Jones <mlj28@cam.ac.uk>
 *
 * Based on ixdp-setup.c
 * Copyright (C) 2003-2005 MontaVista Software, Inc.
 *
 * Author: Deepak Saxena <dsaxena@plexity.net>
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <linux/gpio/machine.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>


#define AVILA_SDA_PIN	7

#define AVILA_SCL_PIN	6


static struct flash_platform_data avila_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
};


static struct resource avila_flash_resource = {
	.flags		= IORESOURCE_MEM,
};


static struct platform_device avila_flash = {
	.name		= "IXP4XX-Flash",
	.id		= 0,
	.dev		= {
		.platform_data = &avila_flash_data,
        },
	.num_resources	= 1,
	.resource	= &avila_flash_resource,
};


static struct gpiod_lookup_table avila_i2c_gpiod_table = {
	.dev_id		= "i2c-gpio.0",
	.table		= {
		GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SDA_PIN,
				NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
		GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SCL_PIN,
				NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
        },
};


static struct platform_device avila_i2c_gpio = {
	.name		= "i2c-gpio",
	.id		= 0,
	.dev	 = {
		.platform_data	= NULL,
        },
};


static struct resource avila_uart_resources[] = {
	{
		.start		= IXP4XX_UART1_BASE_PHYS,
		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,
		.flags		= IORESOURCE_MEM
	},
	{
		.start		= IXP4XX_UART2_BASE_PHYS,
		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,
		.flags		= IORESOURCE_MEM
	}
};


static struct plat_serial8250_port avila_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,
        },
	{
		.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,
        },
	{ },
};


static struct platform_device avila_uart = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev.platform_data	= avila_uart_data,
	.num_resources		= 2,
	.resource		= avila_uart_resources
};


static struct resource avila_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 avila_pata_data = {
	.cs0_bits	= 0xbfff0043,
	.cs1_bits	= 0xbfff0043,
};


static struct platform_device avila_pata = {
	.name			= "pata_ixp4xx_cf",
	.id			= 0,
	.dev.platform_data      = &avila_pata_data,
	.num_resources		= ARRAY_SIZE(avila_pata_resources),
	.resource		= avila_pata_resources,
};


static struct platform_device *avila_devices[] __initdata = {
	&avila_i2c_gpio,
	&avila_flash,
	&avila_uart
};


static void __init avila_init(void) { ixp4xx_sys_init(); avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); avila_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; gpiod_add_lookup_table(&avila_i2c_gpiod_table); platform_add_devices(avila_devices, ARRAY_SIZE(avila_devices)); avila_pata_resources[0].start = IXP4XX_EXP_BUS_BASE(1); avila_pata_resources[0].end = IXP4XX_EXP_BUS_END(1); avila_pata_resources[1].start = IXP4XX_EXP_BUS_BASE(2); avila_pata_resources[1].end = IXP4XX_EXP_BUS_END(2); avila_pata_data.cs0_cfg = IXP4XX_EXP_CS1; avila_pata_data.cs1_cfg = IXP4XX_EXP_CS2; platform_device_register(&avila_pata); }

Contributors

PersonTokensPropCommitsCommitProp
Michael-Luke Jones11094.83%266.67%
Linus Walleij65.17%133.33%
Total116100.00%3100.00%

MACHINE_START(AVILA, "Gateworks Avila Network Platform") /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */ .map_io = ixp4xx_map_io, .init_early = ixp4xx_init_early, .init_irq = ixp4xx_init_irq, .init_time = ixp4xx_timer_init, .atag_offset = 0x100, .init_machine = avila_init, #if defined(CONFIG_PCI) .dma_zone_size = SZ_64M, #endif .restart = ixp4xx_restart, MACHINE_END /* * Loft is functionally equivalent to Avila except that it has a * different number for the maximum PCI devices. The MACHINE * structure below is identical to Avila except for the comment. */ #ifdef CONFIG_MACH_LOFT MACHINE_START(LOFT, "Giant Shoulder Inc Loft board") /* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */ .map_io = ixp4xx_map_io, .init_early = ixp4xx_init_early, .init_irq = ixp4xx_init_irq, .init_time = ixp4xx_timer_init, .atag_offset = 0x100, .init_machine = avila_init, #if defined(CONFIG_PCI) .dma_zone_size = SZ_64M, #endif .restart = ixp4xx_restart, MACHINE_END #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Michael-Luke Jones62285.32%321.43%
Linus Walleij435.90%321.43%
Nico Pitre304.12%214.29%
Russell King111.51%214.29%
Rob Herring101.37%17.14%
Krzysztof Hałasa81.10%17.14%
Stephen Warren40.55%17.14%
Greg Kroah-Hartman10.14%17.14%
Total729100.00%14100.00%
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