现在uboot部分都没有进入到LCD_open_flow 这个函数中，对比了驱动文件和设备树的名字也是一一致的：
驱动：
/*
* drivers/video/sunxi/disp2/disp/lcd/K080_IM2HYL802R_800X1280.c
*
* Copyright (c) 2007-2018 Allwinnertech Co., Ltd.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#include "K080_IM2HYL802R_800X1280.h"
//#include <mach/sys_config.h>
#include "panels.h"
/*
&lcd0 {
lcd_used = <1>;
status = "okay";
lcd_driver_name = "K080_IM2HYL802R_800X1280";
lcd_backlight = <50>;
lcd_if = <4>;
lcd_x = <800>;
lcd_y = <1280>;
lcd_width = <135>;
lcd_height = <216>;
lcd_dclk_freq = <75>;
lcd_pwm_used = <1>;
lcd_pwm_ch = <0>;
lcd_pwm_freq = <50000>;
lcd_pwm_pol = <1>;
lcd_pwm_max_limit = <255>;
lcd_hbp = <88>;
lcd_ht = <960>;
lcd_hspw = <4>;
lcd_vbp = <12>;
lcd_vt = <1300>;
lcd_vspw = <4>;
lcd_frm = <0>;
lcd_gamma_en = <0>;
lcd_bright_curve_en = <0>;
lcd_cmap_en = <0>;
deu_mode = <0>;
lcdgamma4iep = <22>;
smart_color = <90>;
lcd_dsi_if = <0>;
lcd_dsi_lane = <4>;
lcd_dsi_format = <0>;
lcd_dsi_te = <0>;
lcd_dsi_eotp = <0>;
lcd_pin_power = "dcdc1";
lcd_pin_power1 = "eldo3";
lcd_power = "eldo3";
lcd_power1 = "dcdc1";
lcd_power2 = "dc1sw";
lcd_gpio_1 = <&pio PD 22 1 0 3 1>;
pinctrl-0 = <&dsi4lane_pins_a>;
pinctrl-1 = <&dsi4lane_pins_b>;
lcd_bl_en = <&pio PB 8 1 0 3 1>;
lcd_bl_0_percent = <15>;
lcd_bl_100_percent = <100>;
};
*/
extern s32 bsp_disp_get_panel_info(u32 screen_id, disp_panel_para *info);
static void LCD_power_on(u32 sel);
static void LCD_power_off(u32 sel);
static void LCD_bl_open(u32 sel);
static void LCD_bl_close(u32 sel);
//static void LCD_panel_try_switch(u32 sel);
static void LCD_panel_init(u32 sel);
static void LCD_panel_exit(u32 sel);
//static u8 const mipi_dcs_pixel_format[4] = {0x77,0x66,0x66,0x55};
#define panel_reset(val) sunxi_lcd_gpio_set_value(sel, 1, val)
#define power_en(val) sunxi_lcd_gpio_set_value(sel, 0, val)
static void LCD_cfg_panel_info(panel_extend_para *info)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
u32 i = 0, j = 0;
u32 items;
u8 lcd_gamma_tbl[][2] = {
//{input value, corrected value}
{0, 0},
{15, 15},
{30, 30},
{45, 45},
{60, 60},
{75, 75},
{90, 90},
{105, 105},
{120, 120},
{135, 135},
{150, 150},
{165, 165},
{180, 180},
{195, 195},
{210, 210},
{225, 225},
{240, 240},
{255, 255},
};
u32 lcd_cmap_tbl[2][3][4] = {
{
{LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3},
{LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3},
{LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3},
},
{
{LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0},
{LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0},
{LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0},
},
};
items = sizeof(lcd_gamma_tbl) / 2;
for (i = 0; i < items - 1; i++) {
u32 num = lcd_gamma_tbl[i + 1][0] - lcd_gamma_tbl[i][0];
for (j = 0; j < num; j++) {
u32 value = 0;
value = lcd_gamma_tbl[i][1] + ((lcd_gamma_tbl[i + 1][1] - lcd_gamma_tbl[i][1]) * j) / num;
info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] = (value << 16) + (value << 8) + value;
}
}
info->lcd_gamma_tbl[255] = (lcd_gamma_tbl[items - 1][1] << 16) + (lcd_gamma_tbl[items - 1][1] << 8) + lcd_gamma_tbl[items - 1][1];
memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl));
}
static s32 LCD_open_flow(u32 sel)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
LCD_OPEN_FUNC(sel, LCD_power_on, 100); //open lcd power, and delay 50ms
LCD_OPEN_FUNC(sel, LCD_panel_init, 200); //open lcd power, than delay 200ms
LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 50); //open lcd controller, and delay 100ms
LCD_OPEN_FUNC(sel, LCD_bl_open, 0); //open lcd backlight, and delay 0ms
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
return 0;
}
static s32 LCD_close_flow(u32 sel)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
LCD_CLOSE_FUNC(sel, LCD_bl_close, 200); //close lcd backlight, and delay 0ms
LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 20); //close lcd controller, and delay 0ms
LCD_CLOSE_FUNC(sel, LCD_panel_exit, 10); //open lcd power, than delay 200ms
LCD_CLOSE_FUNC(sel, LCD_power_off, 500); //close lcd power, and delay 500ms
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
return 0;
}
static void LCD_power_on(u32 sel)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
panel_reset(0);
sunxi_lcd_power_enable(sel, 0);//config lcd_power pin to open lcd power
sunxi_lcd_delay_ms(5);
sunxi_lcd_power_enable(sel, 1);//config lcd_power pin to open lcd power1
sunxi_lcd_delay_ms(5);
sunxi_lcd_power_enable(sel, 2);//config lcd_power pin to open lcd power2
sunxi_lcd_delay_ms(5);
power_en(1);
sunxi_lcd_delay_ms(20);
//panel_reset(1);
sunxi_lcd_delay_ms(40);
panel_reset(1);
//sunxi_lcd_delay_ms(10);
//panel_reset(0);
//sunxi_lcd_delay_ms(5);
//panel_reset(1);
sunxi_lcd_delay_ms(120);
//sunxi_lcd_delay_ms(5);
sunxi_lcd_pin_cfg(sel, 1);
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
}
static void LCD_power_off(u32 sel)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
sunxi_lcd_pin_cfg(sel, 0);
power_en(0);
sunxi_lcd_delay_ms(20);
panel_reset(0);
sunxi_lcd_delay_ms(5);
sunxi_lcd_power_disable(sel, 2);//config lcd_power pin to close lcd power2
sunxi_lcd_delay_ms(5);
sunxi_lcd_power_disable(sel, 1);//config lcd_power pin to close lcd power1
sunxi_lcd_delay_ms(5);
sunxi_lcd_power_disable(sel, 0);//config lcd_power pin to close lcd power
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
}
static void LCD_bl_open(u32 sel)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
sunxi_lcd_pwm_enable(sel);
sunxi_lcd_delay_ms(50);
sunxi_lcd_backlight_enable(sel);//config lcd_bl_en pin to open lcd backlight
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
}
static void LCD_bl_close(u32 sel)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
sunxi_lcd_backlight_disable(sel);//config lcd_bl_en pin to close lcd backlight
sunxi_lcd_delay_ms(20);
sunxi_lcd_pwm_disable(sel);
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
}
#define REGFLAG_DELAY 0XFE
#define REGFLAG_END_OF_TABLE 0xFD // END OF REGISTERS MARKER
struct LCM_setting_table {
u8 cmd;
u32 count;
u8 para_list[64];
};
/*add panel initialization below*/
static struct LCM_setting_table lcm_initialization_setting[] = {
{0x80, 1, {0x65} },
//GIP_1
{0x81, 1, {0x99} },
{0x82, 1, {0x15} },
{0x83, 1, {0xD1} }, //STA Width 4H
{0x84, 1, {0x40} },
{0x85, 1, {0xDD} }, //STA Width 4H
{0x86, 1, {0xE8} },
//CMD_Page 0
{0xFF, 3, {0x98, 0x81, 0x00} },
//SLP OUT
{0x11, 0, {0x00} }, // SLPOUT
{REGFLAG_DELAY, REGFLAG_DELAY, {120} },
//DISP ON
{0x29, 0, {0x00} }, // DSPON
{REGFLAG_DELAY, REGFLAG_DELAY, {5} },
//TE ON
{0x35, 0, {0x00} }, // TE
{REGFLAG_DELAY, REGFLAG_DELAY, {5} },
{REGFLAG_END_OF_TABLE, REGFLAG_END_OF_TABLE, {} }
};
static void LCD_panel_init(u32 sel)
{
__u32 i;
char model_name[25];
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
disp_sys_script_get_item("lcd0", "lcd_model_name", (int *)model_name, 25);
sunxi_lcd_dsi_clk_enable(sel);
sunxi_lcd_delay_ms(20);
sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SOFT_RESET);
sunxi_lcd_delay_ms(10);
for (i = 0; ; i++) {
if (lcm_initialization_setting[i].count == REGFLAG_END_OF_TABLE)
break;
else if (lcm_initialization_setting[i].count == REGFLAG_DELAY)
sunxi_lcd_delay_ms(lcm_initialization_setting[i].para_list[0]);
#ifdef SUPPORT_DSI
else
dsi_dcs_wr(sel, lcm_initialization_setting[i].cmd, lcm_initialization_setting[i].para_list, lcm_initialization_setting[i].count);
#endif
//break;
}
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
return;
}
static void LCD_panel_exit(u32 sel)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SET_DISPLAY_OFF);
sunxi_lcd_delay_ms(20);
sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_ENTER_SLEEP_MODE);
sunxi_lcd_delay_ms(80);
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
return ;
}
//sel: 0:lcd0; 1:lcd1
static s32 LCD_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3)
{
printf("%s %d %s\n",__FILE__,__LINE__,__FUNCTION__);
return 0;
}
//sel: 0:lcd0; 1:lcd1
/*static s32 LCD_set_bright(u32 sel, u32 bright)
{
sunxi_lcd_dsi_dcs_write_1para(sel,0x51,bright);
return 0;
}*/
__lcd_panel_t K080_IM2HYL802R_800X1280_mipi_panel = {
/* panel driver name, must mach the name of lcd_drv_name in sys_config.fex */
.name = "K080_IM2HYL802R_800X1280",
.func = {
.cfg_panel_info = LCD_cfg_panel_info,
.cfg_open_flow = LCD_open_flow,
.cfg_close_flow = LCD_close_flow,
.lcd_user_defined_func = LCD_user_defined_func,
//.set_bright = LCD_set_bright,
},
};
设备树：
&lcd0 {
lcd_used = <1>;
lcd_driver_name = "K080_IM2HYL802R_800X1280";
lcd_backlight = <50>;
lcd_if = <4>;
/*
lcd_x = <1200>;
lcd_y = <1920>;
*/
lcd_x = <1024>;
lcd_y = <600>;
lcd_width = <135>;
lcd_height = <216>;
lcd_dclk_freq = <156>;
lcd_pwm_used = <0>;
lcd_pwm_ch = <7>;
lcd_pwm_freq = <50000>;
lcd_pwm_pol = <0>;
lcd_hbp = <160>;
lcd_ht = <1354>;
lcd_hspw = <10>;
lcd_vbp = <23>;
lcd_vt = <636>;
lcd_vspw = <1>;
lcd_lvds_if = <0>;
lcd_lvds_colordepth = <1>;
lcd_lvds_mode = <0>;
lcd_frm = <0>;
lcd_io_phase = <0x0000>;
lcd_gamma_en = <0>;
lcd_bright_curve_en = <0>;
lcd_cmap_en = <0>;
deu_mode = <0>;
lcdgamma4iep = <22>;
smart_color = <90>;
lcd_dsi_if = <0>;
lcd_dsi_lane = <4>;
lcd_dsi_format = <0>;
lcd_dsi_eotp = <0>;
lcd_dsi_port_num = <0>;
/*lcd_gpio_1 = <&pio PB 8 GPIO_ACTIVE_HIGH>;*/
/*lcd_bl_en = <&pio PD 20 GPIO_ACTIVE_HIGH>;*/
pinctrl-0 = <&dsi4lane_pins_a>;
pinctrl-1 = <&dsi4lane_pins_b>;
};
启动logo:
mtdids : nand0=nand
mtdparts: mtdparts=nand:1024k@0(boot0)ro,3072k@1048576(uboot)ro,1024k@4194304(secure_storage)ro,-(sys)
[00.600]ubi0: attaching mtd4
[00.713]ubi0: scanning is finished
[00.719]ubi0: attached mtd4 (name "sys", size 123 MiB)
[00.724]ubi0: PEB size: 262144 bytes (256 KiB), LEB size: 258048 bytes
[00.730]ubi0: min./max. I/O unit sizes: 4096/4096, sub-page size 2048
[00.736]ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
[00.743]ubi0: good PEBs: 492, bad PEBs: 0, corrupted PEBs: 0
[00.748]ubi0: user volume: 10, internal volumes: 1, max. volumes count: 128
[00.755]ubi0: max/mean erase counter: 2/1, WL threshold: 4096, image sequence number: 0
[00.763]ubi0: available PEBs: 0, total reserved PEBs: 492, PEBs reserved for bad PEB handling: 20
[00.771]sunxi flash init ok
[00.774]line:703 init_clocks
[00.777]drv_disp_init
lcd_x = 1024 drv_disp_check_spec
lcd_y = 600 drv_disp_check_spec
drivers/video/sunxi/disp2/disp/de/disp_display.c 23 bsp_disp_init
drivers/video/sunxi/disp2/disp/de/lowlevel_v2x/disp_al.c 1242 disp_init_al
drivers/video/sunxi/disp2/disp/de/lowlevel_v2x/disp_al.c 1323 disp_init_al
drivers/video/sunxi/disp2/disp/de/disp_lcd.c 2892 disp_init_lcd
drivers/video/sunxi/disp2/disp/de/disp_display.c 65 bsp_disp_init
drivers/video/sunxi/disp2/disp/lcd/panels.c 184 lcd_init
drivers/video/sunxi/disp2/disp/dev_disp.c 720 sunxi_disp_get_source_ops
drivers/video/sunxi/disp2/disp/dev_disp.c 749 sunxi_disp_get_source_ops
drivers/video/sunxi/disp2/disp/lcd/panels.c 174 lcd_set_panel_funs
drivers/video/sunxi/disp2/disp/lcd/panels.c 178 lcd_set_panel_funs
drivers/video/sunxi/disp2/disp/lcd/panels.c 187 lcd_init
[00.856]drv_disp_init finish
[00.975]Loading Environment from SUNXI_FLASH... OK
[00.997]Item0 (Map) magic is bad
