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/* $OpenBSD: vexpress_machdep.c,v 1.3 2016/06/04 18:09:16 jsg Exp $ */
/*
* Copyright (c) 2013 Sylvestre Gallon <ccna.syl@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/termios.h>
#include <machine/bus.h>
#include <machine/bootconfig.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <arm/cortex/smc.h>
#include <arm/armv7/armv7var.h>
#include <arm/mainbus/mainbus.h>
#include <armv7/armv7/armv7var.h>
#include <armv7/vexpress/pl011var.h>
#include <armv7/armv7/armv7_machdep.h>
extern void sysconf_reboot(void);
extern void sysconf_shutdown(void);
extern struct board_dev *vexpress_board_devs(void);
extern void vexpress_board_init(void);
extern int vexpress_legacy_map(void);
extern int comcnspeed;
extern int comcnmode;
void
vexpress_platform_smc_write(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t off,
uint32_t op, uint32_t val)
{
bus_space_write_4(iot, ioh, off, val);
}
void
vexpress_platform_init_cons(void)
{
paddr_t paddr;
switch (board_id) {
default:
case BOARD_ID_VEXPRESS:
if (vexpress_legacy_map())
paddr = 0x10009000;
else
paddr = 0x1c090000;
break;
}
pl011cnattach(&armv7_bs_tag, paddr, comcnspeed, comcnmode);
}
void
vexpress_platform_init_mainbus(struct device *self)
{
mainbus_legacy_found(self, "cortex");
mainbus_legacy_found(self, "vexpress");
}
void
vexpress_platform_watchdog_reset(void)
{
sysconf_reboot();
}
void
vexpress_platform_powerdown(void)
{
sysconf_shutdown();
}
void
vexpress_platform_disable_l2_if_needed(void)
{
}
void
vexpress_platform_board_init(void)
{
vexpress_board_init();
}
struct armv7_platform vexpress_platform = {
.board_init = vexpress_platform_board_init,
.smc_write = vexpress_platform_smc_write,
.init_cons = vexpress_platform_init_cons,
.watchdog_reset = vexpress_platform_watchdog_reset,
.powerdown = vexpress_platform_powerdown,
.disable_l2_if_needed = vexpress_platform_disable_l2_if_needed,
.init_mainbus = vexpress_platform_init_mainbus,
};
struct armv7_platform *
vexpress_platform_match(void)
{
struct board_dev *devs;
devs = vexpress_board_devs();
if (devs == NULL)
return (NULL);
vexpress_platform.devs = devs;
return (&vexpress_platform);
}
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