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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Rockchip Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <arch/cache.h>
#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <delay.h>
#include <edid.h>
#include <gpio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <soc/display.h>
#include <soc/edp.h>
#include <soc/gpio.h>
#include <soc/grf.h>
#include <soc/soc.h>
#include <soc/vop.h>
#include "chip.h"
void rk_display_init(device_t dev, u32 lcdbase,
unsigned long fb_size)
{
struct edid edid;
struct soc_rockchip_rk3288_config *conf = dev->chip_info;
uint32_t lower = ALIGN_DOWN(lcdbase, MiB);
uint32_t upper = ALIGN_UP(lcdbase + fb_size, MiB);
printk(BIOS_SPEW, "LCD framebuffer @%p\n", (void *)(lcdbase));
memset((void *)lcdbase, 0, fb_size); /* clear the framebuffer */
dcache_clean_invalidate_by_mva((void *)lower, upper - lower);
mmu_config_range(lower / MiB, (upper - lower) / MiB, DCACHE_OFF);
rkclk_configure_edp();
rkclk_configure_vop_aclk(conf->vop_id, 192 * MHz);
rk_edp_init(conf->vop_id);
udelay(conf->lcd_power_on_udelay);
if (rk_edp_get_edid(&edid)) {
printk(BIOS_WARNING, "can not get edid\n");
return;
}
if (rkclk_configure_vop_dclk(conf->vop_id, edid.pixel_clock * KHz)) {
printk(BIOS_WARNING, "config vop err\n");
return;
}
edid.framebuffer_bits_per_pixel = conf->framebuffer_bits_per_pixel;
edid.bytes_per_line = edid.ha * conf->framebuffer_bits_per_pixel / 8;
edid.x_resolution = edid.ha;
edid.y_resolution = edid.va;
rkvop_mode_set(conf->vop_id, &edid);
rkvop_enable(conf->vop_id, lcdbase, &edid);
if (rk_edp_enable()) {
printk(BIOS_WARNING, "edp enable err\n");
return;
}
set_vbe_mode_info_valid(&edid, (uintptr_t)lcdbase);
mainboard_power_on_backlight();
}
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