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mb/google/asurada: Initialize display 

Enable ANX7625 panel and configure display in mainboard_init() to
support display in firmware screen.

BUG=b:155713214
BRANCH=none
TEST=Recovery screen is shown in recovery mode.

Signed-off-by: Huijuan Xie <huijuan.xie@mediatek.corp-partner.google.com>
Change-Id: If730c42451f7b392285df686abc4ca252d8d42cf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46578
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Huijuan Xie 2020-08-11 17:55:11 +08:00 committed by Hung-Te Lin
parent 4b3269e21d
commit bde9708200
2 changed files with 96 additions and 0 deletions
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1
src/mainboard/google/asurada/Kconfig
View File

@ -27,6 +27,7 @@ config BOARD_SPECIFIC_OPTIONS
select MAINBOARD_HAS_NATIVE_VGA_INIT
select MAINBOARD_FORCE_NATIVE_VGA_INIT
select HAVE_LINEAR_FRAMEBUFFER
select DRIVER_ANALOGIX_ANX7625
config MAINBOARD_DIR
string

95
src/mainboard/google/asurada/mainboard.c
View File

@ -1,11 +1,21 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <bl31.h>
#include <bootmode.h>
#include <console/console.h>
#include <delay.h>
#include <device/device.h>
#include <device/mmio.h>
#include <drivers/analogix/anx7625/anx7625.h>
#include <edid.h>
#include <gpio.h>
#include <soc/ddp.h>
#include <soc/dpm.h>
#include <soc/dsi.h>
#include <soc/gpio.h>
#include <soc/gpio_common.h>
#include <soc/i2c.h>
#include <soc/mtcmos.h>
#include <soc/regulator.h>
#include <soc/spm.h>
#include <soc/usb.h>
@ -27,6 +37,17 @@
#define MSDC1_GPIO_MODE1_MASK 0x7
#define MSDC1_GPIO_MODE1_VALUE 0x1
/* GPIO names */
#define GPIO_EDPBRDG_INT_ODL GPIO(EINT6) /* 6 */
#define GPIO_EDPBRDG_PWREN GPIO(DSI_TE) /* 41 */
#define GPIO_EDPBRDG_RST_ODL GPIO(LCM_RST) /* 42 */
#define GPIO_EN_PP3300_EDP_DX GPIO(PERIPHERAL_EN1) /* 127 */
#define GPIO_EN_PP1800_EDPBRDG_DX GPIO(PERIPHERAL_EN2) /* 128 */
#define GPIO_EN_PP1000_EDPBRDG GPIO(PERIPHERAL_EN3) /* 129 */
#define GPIO_EN_PP3300_DISPLAY_DX GPIO(CAM_CLK3) /* 136 */
#define GPIO_AP_EDP_BKLTEN GPIO(KPROW1) /* 152 */
#define GPIO_BL_PWM_1V8 GPIO(DISP_PWM) /* 40 */
static void register_reset_to_bl31(void)
{
static struct bl_aux_param_gpio param_reset = {
@ -38,6 +59,75 @@ static void register_reset_to_bl31(void)
register_bl31_aux_param(&param_reset.h);
}
/* Set up backlight control pins as output pin and power-off by default */
static void configure_backlight_and_bridge(void)
{
/* Disable backlight before turning on bridge */
gpio_output(GPIO_AP_EDP_BKLTEN, 0);
gpio_output(GPIO_BL_PWM_1V8, 0);
gpio_output(GPIO_EN_PP3300_DISPLAY_DX, 1);
/* Turn on bridge */
gpio_output(GPIO_EDPBRDG_RST_ODL, 0);
gpio_output(GPIO_EN_PP1000_EDPBRDG, 1);
gpio_output(GPIO_EN_PP1800_EDPBRDG_DX, 1);
gpio_output(GPIO_EN_PP3300_EDP_DX, 1);
mdelay(2);
gpio_output(GPIO_EDPBRDG_PWREN, 1);
mdelay(10);
gpio_output(GPIO_EDPBRDG_RST_ODL, 1);
}
static bool configure_display(void)
{
struct edid edid;
const u8 i2c_bus = 3;
printk(BIOS_INFO, "%s: Starting display init\n", __func__);
configure_backlight_and_bridge();
mtk_i2c_bus_init(i2c_bus);
if (anx7625_init(i2c_bus)) {
printk(BIOS_ERR, "%s: Can't init ANX7625 bridge\n", __func__);
return false;
}
if (anx7625_dp_get_edid(i2c_bus, &edid)) {
printk(BIOS_ERR, "%s: Can't get panel's edid\n", __func__);
return false;
}
if (anx7625_dp_start(i2c_bus, &edid) < 0) {
printk(BIOS_ERR, "%s: Can't start display via ANX7625\n", __func__);
return false;
}
const char *name = edid.ascii_string;
if (name[0] == '\0')
name = "unknown name";
printk(BIOS_INFO, "%s: '%s %s' %dx%d@%dHz\n", __func__,
edid.manufacturer_name, name, edid.mode.ha, edid.mode.va,
edid.mode.refresh);
mtcmos_display_power_on();
mtcmos_protect_display_bus();
edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
mtk_ddp_init();
u32 mipi_dsi_flags = (MIPI_DSI_MODE_VIDEO |
MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
MIPI_DSI_MODE_LPM |
MIPI_DSI_MODE_EOT_PACKET);
if (mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, &edid, NULL) < 0) {
printk(BIOS_ERR, "%s: Failed in DSI init\n", __func__);
return false;
}
mtk_ddp_mode_set(&edid);
set_vbe_mode_info_valid(&edid, 0);
return true;
}
static void configure_emmc(void)
{
void *gpio_base = (void *)IOCFG_TL_BASE;
@ -115,6 +205,11 @@ static void mainboard_init(struct device *dev)
if (spm_init())
printk(BIOS_ERR, "spm init fail, system suspend may stuck\n");
if (display_init_required())
configure_display();
else
printk(BIOS_INFO, "%s: Skipped display init\n", __func__);
}
static void mainboard_enable(struct device *dev)