![Linus Walleij](/assets/img/avatar_default.png)
This localizes the <mach/irqs.h> header to the mach-ixp4xx directory, removes NR_IRQS and switches IXP4xx over to using SPARSE_IRQ. This is a prerequisite for DT support. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
210 lines
4.8 KiB
C
210 lines
4.8 KiB
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>
|
|
|
|
#include "irqs.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
|
|
|