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// 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);
}
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
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