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[src/trunk]: src/sys/arch Support early FB console attachment when booting wi...
details: https://anonhg.NetBSD.org/src/rev/d4d06b1f5fba
branches: trunk
changeset: 940571:d4d06b1f5fba
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sat Oct 10 15:25:30 2020 +0000
description:
Support early FB console attachment when booting with a devicetree
(non-ACPI mode). Inform the pciconf code about the framebuffer to
prevent pciconf from changing resources out from under us when framebuffer
memory is in VRAM.
diffstat:
sys/arch/arm/acpi/acpi_platform.c | 19 +--
sys/arch/arm/acpi/acpi_simplefb.c | 215 -----------------------------------
sys/arch/arm/acpi/acpi_simplefb.h | 37 ------
sys/arch/arm/acpi/files.acpi | 3 +-
sys/arch/arm/fdt/arm_simplefb.c | 233 ++++++++++++++++++++++++++++++++++++++
sys/arch/arm/fdt/arm_simplefb.h | 37 ++++++
sys/arch/arm/fdt/files.fdt | 3 +-
sys/arch/evbarm/fdt/fdt_machdep.c | 19 ++-
8 files changed, 291 insertions(+), 275 deletions(-)
diffs (truncated from 679 to 300 lines):
diff -r 66ac09c3e6b3 -r d4d06b1f5fba sys/arch/arm/acpi/acpi_platform.c
--- a/sys/arch/arm/acpi/acpi_platform.c Sat Oct 10 15:22:15 2020 +0000
+++ b/sys/arch/arm/acpi/acpi_platform.c Sat Oct 10 15:25:30 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_platform.c,v 1.20 2020/09/28 11:54:22 jmcneill Exp $ */
+/* $NetBSD: acpi_platform.c,v 1.21 2020/10/10 15:25:31 jmcneill Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -31,13 +31,11 @@
#include "com.h"
#include "plcom.h"
-#include "wsdisplay.h"
-#include "genfb.h"
#include "opt_efi.h"
#include "opt_multiprocessor.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_platform.c,v 1.20 2020/09/28 11:54:22 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_platform.c,v 1.21 2020/10/10 15:25:31 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -73,10 +71,6 @@
#include <dev/pci/pucvar.h>
#endif
-#if NWSDISPLAY > 0 && NGENFB > 0
-#include <arm/acpi/acpi_simplefb.h>
-#endif
-
#ifdef EFI_RUNTIME
#include <arm/arm/efi_runtime.h>
#endif
@@ -247,15 +241,6 @@
static void
acpi_platform_device_register(device_t self, void *aux)
{
-#if NWSDISPLAY > 0 && NGENFB > 0
- if (device_is_a(self, "armfdt")) {
- /*
- * Setup framebuffer console, if present.
- */
- acpi_simplefb_preattach();
- }
-#endif
-
#if NCOM > 0
prop_dictionary_t prop = device_properties(self);
diff -r 66ac09c3e6b3 -r d4d06b1f5fba sys/arch/arm/acpi/acpi_simplefb.c
--- a/sys/arch/arm/acpi/acpi_simplefb.c Sat Oct 10 15:22:15 2020 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,215 +0,0 @@
-/* $NetBSD: acpi_simplefb.c,v 1.2 2020/01/24 10:49:41 jmcneill Exp $ */
-
-/*-
- * Copyright (c) 2019 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Jared McNeill <jmcneill%invisible.ca@localhost>.
- *
- * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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>
-__KERNEL_RCSID(0, "$NetBSD: acpi_simplefb.c,v 1.2 2020/01/24 10:49:41 jmcneill Exp $");
-
-#include <sys/param.h>
-#include <sys/bus.h>
-#include <sys/cpu.h>
-#include <sys/device.h>
-
-#include <dev/fdt/fdtvar.h>
-#include <arm/fdt/arm_fdtvar.h>
-
-#include <dev/wscons/wsconsio.h>
-#include <dev/wscons/wsdisplayvar.h>
-#include <dev/rasops/rasops.h>
-#include <dev/wsfont/wsfont.h>
-#include <dev/wscons/wsdisplay_vconsvar.h>
-
-#include <arm/acpi/acpi_simplefb.h>
-
-#include <libfdt.h>
-
-extern struct bus_space arm_generic_bs_tag;
-
-static struct acpi_simplefb_softc {
- uint32_t sc_width;
- uint32_t sc_height;
- uint32_t sc_stride;
- uint16_t sc_depth;
- void *sc_bits;
-} acpi_simplefb_softc;
-
-static struct wsscreen_descr acpi_simplefb_stdscreen = {
- .name = "std",
- .ncols = 0,
- .nrows = 0,
- .textops = NULL,
- .fontwidth = 0,
- .fontheight = 0,
- .capabilities = 0,
- .modecookie = NULL
-};
-
-static struct wsdisplay_accessops acpi_simplefb_accessops;
-static struct vcons_data acpi_simplefb_vcons_data;
-static struct vcons_screen acpi_simplefb_screen;
-
-static int
-acpi_simplefb_find_node(void)
-{
- static const char * simplefb_compatible[] = { "simple-framebuffer", NULL };
- int chosen_phandle, child;
-
- chosen_phandle = OF_finddevice("/chosen");
- if (chosen_phandle == -1)
- return -1;
-
- for (child = OF_child(chosen_phandle); child; child = OF_peer(child)) {
- if (!fdtbus_status_okay(child))
- continue;
- if (!of_match_compatible(child, simplefb_compatible))
- continue;
-
- return child;
- }
-
- return -1;
-}
-
-static void
-acpi_simplefb_init_screen(void *cookie, struct vcons_screen *scr,
- int existing, long *defattr)
-{
- struct acpi_simplefb_softc * const sc = cookie;
- struct rasops_info *ri = &scr->scr_ri;
-
- ri->ri_width = sc->sc_width;
- ri->ri_height = sc->sc_height;
- ri->ri_depth = sc->sc_depth;
- ri->ri_stride = sc->sc_stride;
- ri->ri_bits = sc->sc_bits;
- ri->ri_flg = RI_CENTER | RI_FULLCLEAR | RI_CLEAR;
-
- scr->scr_flags |= VCONS_LOADFONT;
- scr->scr_flags |= VCONS_DONT_READ;
-
- rasops_init(ri, ri->ri_height / 8, ri->ri_width / 8);
- ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE;
- rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
- sc->sc_width / ri->ri_font->fontwidth);
-
- ri->ri_hw = scr;
-}
-
-static int
-acpi_simplefb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, lwp_t *l)
-{
- return EPASSTHROUGH;
-}
-
-static paddr_t
-acpi_simplefb_mmap(void *v, void *vs, off_t offset, int prot)
-{
- return -1;
-}
-
-static void
-acpi_simplefb_pollc(void *v, int on)
-{
-}
-
-void
-acpi_simplefb_preattach(void)
-{
- struct acpi_simplefb_softc * const sc = &acpi_simplefb_softc;
- struct rasops_info *ri = &acpi_simplefb_screen.scr_ri;
- bus_space_tag_t bst = &arm_generic_bs_tag;
- bus_space_handle_t bsh;
- uint32_t width, height, stride;
- const char *format;
- bus_addr_t addr;
- bus_size_t size;
- uint16_t depth;
- long defattr;
-
- const int phandle = acpi_simplefb_find_node();
- if (phandle == -1)
- return;
-
- if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0 || size == 0)
- return;
-
- if (of_getprop_uint32(phandle, "width", &width) != 0 ||
- of_getprop_uint32(phandle, "height", &height) != 0 ||
- of_getprop_uint32(phandle, "stride", &stride) != 0 ||
- (format = fdtbus_get_string(phandle, "format")) == NULL)
- return;
-
- if (width == 0 || height == 0)
- return;
-
- if (strcmp(format, "a8b8g8r8") == 0 ||
- strcmp(format, "x8r8g8b8") == 0) {
- depth = 32;
- } else if (strcmp(format, "r5g6b5") == 0) {
- depth = 16;
- } else {
- return;
- }
-
- if (bus_space_map(bst, addr, size,
- BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE, &bsh) != 0)
- return;
-
- sc->sc_width = width;
- sc->sc_height = height;
- sc->sc_depth = depth;
- sc->sc_stride = stride;
- sc->sc_bits = bus_space_vaddr(bst, bsh);
-
- wsfont_init();
-
- acpi_simplefb_accessops.ioctl = acpi_simplefb_ioctl;
- acpi_simplefb_accessops.mmap = acpi_simplefb_mmap;
- acpi_simplefb_accessops.pollc = acpi_simplefb_pollc;
-
- vcons_init(&acpi_simplefb_vcons_data, sc, &acpi_simplefb_stdscreen,
- &acpi_simplefb_accessops);
- acpi_simplefb_vcons_data.init_screen = acpi_simplefb_init_screen;
- acpi_simplefb_vcons_data.use_intr = 0;
- vcons_init_screen(&acpi_simplefb_vcons_data, &acpi_simplefb_screen, 1, &defattr);
- acpi_simplefb_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
-
- if (ri->ri_rows < 1 || ri->ri_cols < 1)
- return;
-
- acpi_simplefb_stdscreen.nrows = ri->ri_rows;
- acpi_simplefb_stdscreen.ncols = ri->ri_cols;
- acpi_simplefb_stdscreen.textops = &ri->ri_ops;
- acpi_simplefb_stdscreen.capabilities = ri->ri_caps;
-
- wsdisplay_preattach(&acpi_simplefb_stdscreen, ri, 0, 0, defattr);
-
- vcons_replay_msgbuf(&acpi_simplefb_screen);
-}
diff -r 66ac09c3e6b3 -r d4d06b1f5fba sys/arch/arm/acpi/acpi_simplefb.h
--- a/sys/arch/arm/acpi/acpi_simplefb.h Sat Oct 10 15:22:15 2020 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,37 +0,0 @@
-/* $NetBSD: acpi_simplefb.h,v 1.1 2019/09/22 18:31:59 jmcneill Exp $ */
-
-/*-
- * Copyright (c) 2019 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Jared McNeill <jmcneill%invisible.ca@localhost>.
- *
- * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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
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