Introduce the new kernel sub-tree x86 which should contain all the code

shared and generalized between our current amd64, i386 and pc98.

This is just an initial step that should lead to a more complete effort.
For the moment, a very simple porting of cpufreq modules, BIOS calls and
the whole MD specific ISA bus part is added to the sub-tree but ideally
a lot of code might be added and more shared support should grow.

Sponsored by:	Sandvine Incorporated
Reviewed by:	emaste, kib, jhb, imp
Discussed on:	arch
MFC:		3 weeks

1 files changed, 0 insertions, 185 deletions

diff --git a/sys/isa/orm.c b/sys/isa/orm.c
deleted file mode 100644
index f25312f..0000000
--- a/sys/isa/orm.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*-
- * Copyright (c) 2000 Nikolai Saoukh
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * Driver to take care of holes in ISA I/O memory occupied
- * by option rom(s)
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/socket.h>
-
-#include <sys/module.h>
-#include <sys/bus.h>
-
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
-
-#include <isa/isavar.h>
-#include <isa/pnpvar.h>
-
-#define	IOMEM_START	0x0a0000
-#define	IOMEM_STEP	0x000800
-#define	IOMEM_END	0x100000
-
-#define	ORM_ID	0x00004d3e
-
-static struct isa_pnp_id orm_ids[] = {
-	{ ORM_ID,	NULL },		/* ORM0000 */
-	{ 0,		NULL },
-};
-
-#define MAX_ROMS	16
-
-struct orm_softc {
-	int		rnum;
-	int		rid[MAX_ROMS];
-	struct resource *res[MAX_ROMS];
-};
-
-static int
-orm_probe(device_t dev)
-{
-	return (ISA_PNP_PROBE(device_get_parent(dev), dev, orm_ids));
-}
-
-static int
-orm_attach(device_t dev)
-{
-	return (0);
-}
-
-static void
-orm_identify(driver_t* driver, device_t parent)
-{
-	bus_space_handle_t	bh;
-	bus_space_tag_t		bt;
-	device_t		child;
-	u_int32_t		chunk = IOMEM_START;
-	struct resource		*res;
-	int			rid;
-	u_int32_t		rom_size;
-	struct orm_softc	*sc;
-	u_int8_t		buf[3];
-
-	child = BUS_ADD_CHILD(parent, ISA_ORDER_SENSITIVE, "orm", -1);
-	device_set_driver(child, driver);
-	isa_set_logicalid(child, ORM_ID);
-	isa_set_vendorid(child, ORM_ID);
-	sc = device_get_softc(child);
-	sc->rnum = 0;
-	while (chunk < IOMEM_END) {
-		bus_set_resource(child, SYS_RES_MEMORY, sc->rnum, chunk,
-		    IOMEM_STEP);
-		rid = sc->rnum;
-		res = bus_alloc_resource_any(child, SYS_RES_MEMORY, &rid,
-		    RF_ACTIVE);
-		if (res == NULL) {
-			bus_delete_resource(child, SYS_RES_MEMORY, sc->rnum);
-			chunk += IOMEM_STEP;
-			continue;
-		}
-		bt = rman_get_bustag(res);
-		bh = rman_get_bushandle(res);
-		bus_space_read_region_1(bt, bh, 0, buf, sizeof(buf));
-
-		/*
-		 * We need to release and delete the resource since we're
-		 * changing its size, or the rom isn't there.  There
-		 * is a checksum field in the ROM to prevent false
-		 * positives.  However, some common hardware (IBM thinkpads)
-		 * neglects to put a valid checksum in the ROM, so we do
-		 * not double check the checksum here.  On the ISA bus
-		 * areas that have no hardware read back as 0xff, so the
-		 * tests to see if we have 0x55 followed by 0xaa are
-		 * generally sufficient.
-		 */
-		bus_release_resource(child, SYS_RES_MEMORY, rid, res);
-		bus_delete_resource(child, SYS_RES_MEMORY, sc->rnum);
-		if (buf[0] != 0x55 || buf[1] != 0xAA || (buf[2] & 0x03) != 0) {
-			chunk += IOMEM_STEP;
-			continue;
-		}
-		rom_size = buf[2] << 9;
-		bus_set_resource(child, SYS_RES_MEMORY, sc->rnum, chunk,
-		    rom_size);
-		rid = sc->rnum;
-		res = bus_alloc_resource_any(child, SYS_RES_MEMORY, &rid, 0);
-		if (res == NULL) {
-			bus_delete_resource(child, SYS_RES_MEMORY, sc->rnum);
-			chunk += IOMEM_STEP;
-			continue;
-		}
-		sc->rid[sc->rnum] = rid;
-		sc->res[sc->rnum] = res;
-		sc->rnum++;
-		chunk += rom_size;
-	}
-
-	if (sc->rnum == 0)
-		device_delete_child(parent, child);
-	else if (sc->rnum == 1)
-		device_set_desc(child, "ISA Option ROM");
-	else
-		device_set_desc(child, "ISA Option ROMs");
-}
-
-static int
-orm_detach(device_t dev)
-{
-	int			i;
-	struct orm_softc	*sc = device_get_softc(dev);
-	
-	for (i = 0; i < sc->rnum; i++)
-		bus_release_resource(dev, SYS_RES_MEMORY, sc->rid[i],
-		    sc->res[i]);
-	return (0);
-}
-
-static device_method_t orm_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_identify,	orm_identify),
-	DEVMETHOD(device_probe,		orm_probe),
-	DEVMETHOD(device_attach,	orm_attach),
-	DEVMETHOD(device_detach,	orm_detach),
-	{ 0, 0 }
-};
-
-static driver_t orm_driver = {
-	"orm",
-	orm_methods,
-	sizeof (struct orm_softc)
-};
-
-static devclass_t orm_devclass;
-
-DRIVER_MODULE(orm, isa, orm_driver, orm_devclass, 0, 0);