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/* $OpenBSD: vexpress.c,v 1.5 2016/06/04 18:09:16 jsg Exp $ */
/*
* Copyright (c) 2015 Jonathan Gray <jsg@openbsd.org>
*
* 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/systm.h>
#include <machine/bus.h>
#include <arm/cpufunc.h>
#include <arm/mainbus/mainbus.h>
#include <armv7/armv7/armv7var.h>
int vexpress_match(struct device *, void *, void *);
void vexpress_a9_init();
void vexpress_a15_init();
struct cfattach vexpress_ca = {
sizeof(struct armv7_softc), vexpress_match, armv7_attach, NULL,
config_activate_children
};
struct cfdriver vexpress_cd = {
NULL, "vexpress", DV_DULL
};
struct board_dev vexpress_devs[] = {
{ "sysreg", 0 },
{ "pluart", 0 },
{ "plrtc", 0 },
{ "virtio", 0 },
{ "virtio", 1 },
{ "virtio", 2 },
{ "virtio", 3 },
{ NULL, 0 }
};
struct armv7_board vexpress_boards[] = {
{
BOARD_ID_VEXPRESS,
vexpress_devs,
NULL,
},
{ 0, NULL, NULL },
};
struct board_dev *
vexpress_board_devs(void)
{
int i;
for (i = 0; vexpress_boards[i].board_id != 0; i++) {
if (vexpress_boards[i].board_id == board_id)
return (vexpress_boards[i].devs);
}
return (NULL);
}
extern vaddr_t physical_start;
int
vexpress_legacy_map(void)
{
return ((cpufunc_id() & CPU_ID_CORTEX_A9_MASK) == CPU_ID_CORTEX_A9);
}
void
vexpress_board_init(void)
{
if (board_id != BOARD_ID_VEXPRESS)
return;
if (vexpress_legacy_map())
vexpress_a9_init();
else
vexpress_a15_init();
}
int
vexpress_match(struct device *parent, void *cfdata, void *aux)
{
union mainbus_attach_args *ma = (union mainbus_attach_args *)aux;
struct cfdata *cf = (struct cfdata *)cfdata;
if (ma->ma_name == NULL)
return (0);
if (strcmp(cf->cf_driver->cd_name, ma->ma_name) != 0)
return (0);
return (vexpress_board_devs() != NULL);
}
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