d462d3c448
We use the devicetree to pass the backlight control gpio before, but if there have different board version, and it uses different io to control backlight, it will hard to distinguish it. So, we move the backlight control to mainboard, and use board_id to distinguish the backlight control. BUG=None TEST=emerge veyron_pinky and Boot the pinky board BRANCH=None Change-Id: Ifa81eb2455296f4b4285b681208f4393f266fb34 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 2ff7f65134dcf97f97757750eab41dcf8c7765d3 Original-Change-Id: I1ec8e04f4982c3a8c7e31d8dc2c75311b7199ffc Original-Signed-off-by: huang lin <hl@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/234711 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: http://review.coreboot.org/9630 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2014 Rockchip Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <arch/cache.h>
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#include <arch/io.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <delay.h>
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#include <edid.h>
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#include <gpio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <soc/addressmap.h>
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#include <soc/clock.h>
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#include <soc/display.h>
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#include <soc/edp.h>
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#include <soc/gpio.h>
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#include <soc/grf.h>
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#include <soc/soc.h>
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#include <soc/vop.h>
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#include "chip.h"
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void rk_display_init(device_t dev, u32 lcdbase,
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unsigned long fb_size)
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{
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struct edid edid;
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struct soc_rockchip_rk3288_config *conf = dev->chip_info;
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uint32_t lower = ALIGN_DOWN(lcdbase, MiB);
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uint32_t upper = ALIGN_UP(lcdbase + fb_size, MiB);
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printk(BIOS_SPEW, "LCD framebuffer @%p\n", (void *)(lcdbase));
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memset((void *)lcdbase, 0, fb_size); /* clear the framebuffer */
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dcache_clean_invalidate_by_mva((void *)lower, upper - lower);
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mmu_config_range(lower / MiB, (upper - lower) / MiB, DCACHE_OFF);
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rkclk_configure_edp();
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rkclk_configure_vop_aclk(conf->vop_id, 192 * MHz);
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rk_edp_init(conf->vop_id);
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udelay(conf->lcd_power_on_udelay);
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if (rk_edp_get_edid(&edid)) {
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printk(BIOS_WARNING, "can not get edid\n");
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return;
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}
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if (rkclk_configure_vop_dclk(conf->vop_id, edid.pixel_clock * KHz)) {
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printk(BIOS_WARNING, "config vop err\n");
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return;
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}
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edid.framebuffer_bits_per_pixel = conf->framebuffer_bits_per_pixel;
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edid.bytes_per_line = edid.ha * conf->framebuffer_bits_per_pixel / 8;
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edid.x_resolution = edid.ha;
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edid.y_resolution = edid.va;
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rkvop_mode_set(conf->vop_id, &edid);
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rkvop_enable(conf->vop_id, lcdbase, &edid);
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if (rk_edp_enable()) {
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printk(BIOS_WARNING, "edp enable err\n");
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return;
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}
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set_vbe_mode_info_valid(&edid, (uintptr_t)lcdbase);
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mainboard_power_on_backlight();
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}
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