linux-stable-rt/arch/sh/boards/renesas/rts7751r2d/setup.c

156 lines
3.5 KiB
C

/*
* 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/machvec.h>
#include <asm/mach/rts7751r2d.h>
#include <asm/io.h>
#include <asm/voyagergx.h>
extern void heartbeat_rts7751r2d(void);
extern void init_rts7751r2d_IRQ(void);
extern int rts7751r2d_irq_demux(int irq);
extern void *voyagergx_consistent_alloc(struct device *, size_t, dma_addr_t *, gfp_t);
extern int voyagergx_consistent_free(struct device *, size_t, void *, dma_addr_t);
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 resource heartbeat_resources[] = {
[0] = {
.start = PA_OUTPORT,
.end = PA_OUTPORT + 8 - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device heartbeat_device = {
.name = "heartbeat",
.id = -1,
.num_resources = ARRAY_SIZE(heartbeat_resources),
.resource = heartbeat_resources,
};
static struct platform_device *rts7751r2d_devices[] __initdata = {
&uart_device,
&heartbeat_device,
};
static int __init rts7751r2d_devices_setup(void)
{
return platform_add_devices(rts7751r2d_devices,
ARRAY_SIZE(rts7751r2d_devices));
}
static void rts7751r2d_power_off(void)
{
ctrl_outw(0x0001, PA_POWOFF);
}
/*
* Initialize the board
*/
static void __init rts7751r2d_setup(char **cmdline_p)
{
device_initcall(rts7751r2d_devices_setup);
ctrl_outw(0x0000, PA_OUTPORT);
pm_power_off = rts7751r2d_power_off;
voyagergx_serial_init();
printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
}
/*
* The Machine Vector
*/
struct sh_machine_vector mv_rts7751r2d __initmv = {
.mv_name = "RTS7751R2D",
.mv_setup = rts7751r2d_setup,
.mv_nr_irqs = 72,
.mv_inb = rts7751r2d_inb,
.mv_inw = rts7751r2d_inw,
.mv_inl = rts7751r2d_inl,
.mv_outb = rts7751r2d_outb,
.mv_outw = rts7751r2d_outw,
.mv_outl = rts7751r2d_outl,
.mv_inb_p = rts7751r2d_inb_p,
.mv_inw_p = rts7751r2d_inw,
.mv_inl_p = rts7751r2d_inl,
.mv_outb_p = rts7751r2d_outb_p,
.mv_outw_p = rts7751r2d_outw,
.mv_outl_p = rts7751r2d_outl,
.mv_insb = rts7751r2d_insb,
.mv_insw = rts7751r2d_insw,
.mv_insl = rts7751r2d_insl,
.mv_outsb = rts7751r2d_outsb,
.mv_outsw = rts7751r2d_outsw,
.mv_outsl = rts7751r2d_outsl,
.mv_init_irq = init_rts7751r2d_IRQ,
.mv_irq_demux = rts7751r2d_irq_demux,
#ifdef CONFIG_USB_SM501
.mv_consistent_alloc = voyagergx_consistent_alloc,
.mv_consistent_free = voyagergx_consistent_free,
#endif
};
ALIAS_MV(rts7751r2d)