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/*
* Renesas Technology Sales RTS7751R2D Support.
*
* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
* Copyright (C) 2004 - 2006 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/pm.h>
#include <asm/io.h>
#include <asm/mach/rts7751r2d.h>
#include <asm/voyagergx.h>
static struct plat_serial8250_port uart_platform_data[] = {
{
.membase = (void *)VOYAGER_UART_BASE,
.mapbase = VOYAGER_UART_BASE,
.iotype = UPIO_MEM,
.irq = VOYAGER_UART0_IRQ,
.flags = UPF_BOOT_AUTOCONF,
.regshift = 2,
.uartclk = (9600 * 16),
}, {
.flags = 0,
},
};
static void __init voyagergx_serial_init(void)
{
unsigned long val;
/*
* GPIO Control
*/
val = inl(GPIO_MUX_HIGH);
val |= 0x00001fe0;
outl(val, GPIO_MUX_HIGH);
/*
* Power Mode Gate
*/
val = inl(POWER_MODE0_GATE);
val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
outl(val, POWER_MODE0_GATE);
val = inl(POWER_MODE1_GATE);
val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
outl(val, POWER_MODE1_GATE);
}
static struct platform_device uart_device = {
.name = "serial8250",
.id = -1,
.dev = {
.platform_data = uart_platform_data,
},
};
static struct platform_device *rts7751r2d_devices[] __initdata = {
&uart_device,
};
static int __init rts7751r2d_devices_setup(void)
{
return platform_add_devices(rts7751r2d_devices,
ARRAY_SIZE(rts7751r2d_devices));
}
__initcall(rts7751r2d_devices_setup);
const char *get_system_type(void)
{
return "RTS7751R2D";
}
static void rts7751r2d_power_off(void)
{
ctrl_outw(0x0001, PA_POWOFF);
}
/*
* Initialize the board
*/
void __init platform_setup(void)
{
printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
ctrl_outw(0x0000, PA_OUTPORT);
pm_power_off = rts7751r2d_power_off;
voyagergx_serial_init();
}
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