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/*
* arch/sh/boards/renesas/r7780rp/setup.c
*
* Renesas Solutions Highlander Support.
*
* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
* Copyright (C) 2005 - 2007 Paul Mundt
*
* This contains support for the R7780RP-1, R7780MP, and R7785RP
* Highlander modules.
*
* 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/pata_platform.h>
#include <asm/machvec.h>
#include <asm/r7780rp.h>
#include <asm/clock.h>
#include <asm/io.h>
static struct resource cf_ide_resources[] = {
[0] = {
.start = PA_AREA5_IO + 0x1000,
.end = PA_AREA5_IO + 0x1000 + 0x08 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = PA_AREA5_IO + 0x80c,
.end = PA_AREA5_IO + 0x80c + 0x16 - 1,
.flags = IORESOURCE_MEM,
},
[2] = {
#ifdef CONFIG_SH_R7780RP
.start = 4,
#else
.start = 1,
#endif
.flags = IORESOURCE_IRQ,
},
};
static struct pata_platform_info pata_info = {
.ioport_shift = 1,
};
static struct platform_device cf_ide_device = {
.name = "pata_platform",
.id = -1,
.num_resources = ARRAY_SIZE(cf_ide_resources),
.resource = cf_ide_resources,
.dev = {
.platform_data = &pata_info,
},
};
static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
static struct resource heartbeat_resources[] = {
[0] = {
.start = PA_OBLED,
.end = PA_OBLED + ARRAY_SIZE(heartbeat_bit_pos) - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device heartbeat_device = {
.name = "heartbeat",
.id = -1,
/* R7785RP has a slightly more sensible FPGA.. */
#ifndef CONFIG_SH_R7785RP
.dev = {
.platform_data = heartbeat_bit_pos,
},
#endif
.num_resources = ARRAY_SIZE(heartbeat_resources),
.resource = heartbeat_resources,
};
static struct platform_device *r7780rp_devices[] __initdata = {
&cf_ide_device,
&heartbeat_device,
};
static int __init r7780rp_devices_setup(void)
{
return platform_add_devices(r7780rp_devices,
ARRAY_SIZE(r7780rp_devices));
}
device_initcall(r7780rp_devices_setup);
/*
* Platform specific clocks
*/
static void ivdr_clk_enable(struct clk *clk)
{
ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
}
static void ivdr_clk_disable(struct clk *clk)
{
ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
}
static struct clk_ops ivdr_clk_ops = {
.enable = ivdr_clk_enable,
.disable = ivdr_clk_disable,
};
static struct clk ivdr_clk = {
.name = "ivdr_clk",
.ops = &ivdr_clk_ops,
};
static struct clk *r7780rp_clocks[] = {
&ivdr_clk,
};
static void r7780rp_power_off(void)
{
if (mach_is_r7780mp() || mach_is_r7785rp())
ctrl_outw(0x0001, PA_POFF);
}
/*
* Initialize the board
*/
static void __init highlander_setup(char **cmdline_p)
{
u16 ver = ctrl_inw(PA_VERREG);
int i;
printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
mach_is_r7780rp() ? "R7780RP-1" :
mach_is_r7780mp() ? "R7780MP" :
"R7785RP");
printk(KERN_INFO "Board version: %d (revision %d), "
"FPGA version: %d (revision %d)\n",
(ver >> 12) & 0xf, (ver >> 8) & 0xf,
(ver >> 4) & 0xf, ver & 0xf);
/*
* Enable the important clocks right away..
*/
for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
struct clk *clk = r7780rp_clocks[i];
clk_register(clk);
clk_enable(clk);
}
ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */
if (mach_is_r7780rp())
ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */
ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */
pm_power_off = r7780rp_power_off;
}
/*
* The Machine Vector
*/
struct sh_machine_vector mv_highlander __initmv = {
.mv_name = "Highlander",
.mv_nr_irqs = 109,
.mv_setup = highlander_setup,
.mv_init_irq = highlander_init_irq,
};
ALIAS_MV(highlander)
|
