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/* SPDX-License-Identifier: GPL-2.0-only */
#include <bootmode.h>
#include <delay.h>
#include <device/device.h>
#include <device/i2c_simple.h>
#include <drivers/ti/sn65dsi86bridge/sn65dsi86bridge.h>
#include <soc/display/mipi_dsi.h>
#include <soc/display/mdssreg.h>
#include <soc/qupv3_config.h>
#include <soc/qupv3_i2c.h>
#include <soc/usb.h>
#include "board.h"
#define BRIDGE_BUS 0x2
#define BRIDGE_CHIP 0x2d
static struct usb_board_data usb0_board_data = {
.pll_bias_control_2 = 0x22,
.imp_ctrl1 = 0x08,
.port_tune1 = 0xc5,
};
static void setup_usb(void)
{
/* Assert EN_PP3300_HUB for those board variants that use it. */
gpio_output(GPIO(84), 1);
setup_usb_host0(&usb0_board_data);
}
static void qi2s_configure_gpios(void)
{
gpio_configure(GPIO(49), GPIO49_FUNC_MI2S_1_SCK,
GPIO_NO_PULL, GPIO_8MA, GPIO_OUTPUT);
gpio_configure(GPIO(50), GPIO50_FUNC_MI2S_1_WS,
GPIO_NO_PULL, GPIO_8MA, GPIO_OUTPUT);
gpio_configure(GPIO(51), GPIO51_FUNC_MI2S_1_DATA0,
GPIO_NO_PULL, GPIO_8MA, GPIO_OUTPUT);
}
static void load_qup_fw(void)
{
qupv3_se_fw_load_and_init(QUPV3_0_SE1, SE_PROTOCOL_SPI, MIXED); /* ESIM SPI */
qupv3_se_fw_load_and_init(QUPV3_0_SE3, SE_PROTOCOL_UART, FIFO); /* BT UART */
qupv3_se_fw_load_and_init(QUPV3_0_SE4, SE_PROTOCOL_I2C, MIXED); /* Pen Detect I2C */
qupv3_se_fw_load_and_init(QUPV3_0_SE5, SE_PROTOCOL_I2C, MIXED); /* SAR I2C */
qupv3_se_fw_load_and_init(QUPV3_1_SE1, SE_PROTOCOL_I2C, MIXED); /* Trackpad I2C */
/*
* When coreboot firmware disables serial output,
* we still need to load console UART QUP FW for OS.
*/
if (!CONFIG(CONSOLE_SERIAL))
qupv3_se_fw_load_and_init(QUPV3_1_SE2, SE_PROTOCOL_UART, FIFO);
qupv3_se_fw_load_and_init(QUPV3_1_SE3, SE_PROTOCOL_I2C, MIXED); /* Speaker Amps I2C */
qupv3_se_fw_load_and_init(QUPV3_1_SE4, SE_PROTOCOL_SPI, MIXED); /* Fingerprint SPI */
qupv3_se_fw_load_and_init(QUPV3_1_SE5, SE_PROTOCOL_I2C, MIXED); /* Codec I2C */
}
static void configure_display(void)
{
printk(BIOS_INFO, "%s: Bridge gpio init\n", __func__);
/* Bridge Enable GPIO */
gpio_output(GPIO_EDP_BRIDGE_ENABLE, 1);
/* PP3300 EDP power supply */
gpio_output(GPIO_EN_PP3300_DX_EDP, 1);
}
static void display_init(struct edid *edid)
{
uint32_t dsi_bpp = 24;
uint32_t lanes = 4;
if (mdss_dsi_config(edid, lanes, dsi_bpp))
return;
sn65dsi86_bridge_configure(BRIDGE_BUS, BRIDGE_CHIP, edid, lanes, dsi_bpp);
mdp_dsi_video_config(edid);
mdss_dsi_video_mode_config(edid, dsi_bpp);
mdp_dsi_video_on();
}
static void display_startup(void)
{
static struct edid ed;
enum dp_pll_clk_src ref_clk = SN65_SEL_19MHZ;
i2c_init(QUPV3_0_SE2, I2C_SPEED_FAST); /* EDP Bridge I2C */
if (display_init_required()) {
configure_display();
mdelay(250); /* Delay for the panel to be up */
sn65dsi86_bridge_init(BRIDGE_BUS, BRIDGE_CHIP, ref_clk);
if (sn65dsi86_bridge_read_edid(BRIDGE_BUS, BRIDGE_CHIP, &ed) < 0)
return;
printk(BIOS_INFO, "display init!\n");
/* Configure backlight */
gpio_output(GPIO_BACKLIGHT_ENABLE, 1);
display_init(&ed);
set_vbe_mode_info_valid(&ed, (uintptr_t)0);
} else
printk(BIOS_INFO, "Skipping display init.\n");
}
static void mainboard_init(struct device *dev)
{
setup_usb();
qi2s_configure_gpios();
load_qup_fw();
display_startup();
}
static void mainboard_enable(struct device *dev)
{
dev->ops->init = &mainboard_init;
}
struct chip_operations mainboard_ops = {
.name = CONFIG_MAINBOARD_PART_NUMBER,
.enable_dev = mainboard_enable,
};
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