mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-27 03:47:43 +00:00
dcc8fa50eb
Patch from Alessandro Zummo Disable GPIO clocks to allow the power led to work properly. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
138 lines
3.2 KiB
C
138 lines
3.2 KiB
C
/*
|
|
* arch/arm/mach-ixp4xx/nas100d-setup.c
|
|
*
|
|
* NAS 100d board-setup
|
|
*
|
|
* based ixdp425-setup.c:
|
|
* Copyright (C) 2003-2004 MontaVista Software, Inc.
|
|
*
|
|
* Author: Alessandro Zummo <a.zummo@towertech.it>
|
|
* Author: Rod Whitby <rod@whitby.id.au>
|
|
* Maintainers: http://www.nslu2-linux.org/
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/serial.h>
|
|
#include <linux/serial_8250.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
static struct flash_platform_data nas100d_flash_data = {
|
|
.map_name = "cfi_probe",
|
|
.width = 2,
|
|
};
|
|
|
|
static struct resource nas100d_flash_resource = {
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device nas100d_flash = {
|
|
.name = "IXP4XX-Flash",
|
|
.id = 0,
|
|
.dev.platform_data = &nas100d_flash_data,
|
|
.num_resources = 1,
|
|
.resource = &nas100d_flash_resource,
|
|
};
|
|
|
|
static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = {
|
|
.sda_pin = NAS100D_SDA_PIN,
|
|
.scl_pin = NAS100D_SCL_PIN,
|
|
};
|
|
|
|
static struct platform_device nas100d_i2c_controller = {
|
|
.name = "IXP4XX-I2C",
|
|
.id = 0,
|
|
.dev.platform_data = &nas100d_i2c_gpio_pins,
|
|
.num_resources = 0,
|
|
};
|
|
|
|
static struct resource nas100d_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 nas100d_uart_data[] = {
|
|
{
|
|
.mapbase = IXP4XX_UART1_BASE_PHYS,
|
|
.membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
|
|
.irq = IRQ_IXP4XX_UART1,
|
|
.flags = UPF_BOOT_AUTOCONF,
|
|
.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,
|
|
.iotype = UPIO_MEM,
|
|
.regshift = 2,
|
|
.uartclk = IXP4XX_UART_XTAL,
|
|
},
|
|
{ }
|
|
};
|
|
|
|
static struct platform_device nas100d_uart = {
|
|
.name = "serial8250",
|
|
.id = PLAT8250_DEV_PLATFORM,
|
|
.dev.platform_data = nas100d_uart_data,
|
|
.num_resources = 2,
|
|
.resource = nas100d_uart_resources,
|
|
};
|
|
|
|
static struct platform_device *nas100d_devices[] __initdata = {
|
|
&nas100d_i2c_controller,
|
|
&nas100d_flash,
|
|
&nas100d_uart,
|
|
};
|
|
|
|
static void nas100d_power_off(void)
|
|
{
|
|
/* This causes the box to drop the power and go dead. */
|
|
|
|
/* enable the pwr cntl gpio */
|
|
gpio_line_config(NAS100D_PO_GPIO, IXP4XX_GPIO_OUT);
|
|
|
|
/* do the deed */
|
|
gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH);
|
|
}
|
|
|
|
static void __init nas100d_init(void)
|
|
{
|
|
ixp4xx_sys_init();
|
|
|
|
/* gpio 14 and 15 are _not_ clocks */
|
|
*IXP4XX_GPIO_GPCLKR = 0;
|
|
|
|
nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
|
|
nas100d_flash_resource.end =
|
|
IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
|
|
|
|
pm_power_off = nas100d_power_off;
|
|
|
|
platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices));
|
|
}
|
|
|
|
MACHINE_START(NAS100D, "Iomega NAS 100d")
|
|
/* Maintainer: www.nslu2-linux.org */
|
|
.phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
|
|
.io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
|
|
.boot_params = 0x00000100,
|
|
.map_io = ixp4xx_map_io,
|
|
.init_irq = ixp4xx_init_irq,
|
|
.timer = &ixp4xx_timer,
|
|
.init_machine = nas100d_init,
|
|
MACHINE_END
|