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    试着用t113的uboot测试mipi屏幕,出现问题,能不能帮帮我

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      smiletiger LV 6 last edited by whycan

      用的t113的sdk编译出来的uboot,自己修改了设备树,之前用的800x480的lcd在uboot下面已经用colorbar指令测试成功了,然后想测试手头的mipi屏幕,结果出现了个问题
      用disp指令显示,我配置的刷新率应该是59帧,实际只有25.5帧,colorbar测试失败,但是用mipi指令可以获取到屏幕的id值,说明mipi其实已经跑起来了,可能是时钟哪里配置不对,没有修改uboot源码,只是修改了设备树,按照mipi初始化指令增加了屏幕的指令,这个屏幕不需要额外的初始化指令,只需要一个0x29和0x11指令就可以显示的

      uboot打印的logo如下

      U-Boot 2018.05-g2a24076-dirty (May 13 2022 - 21:35:03 +0800) Allwinner Technology

[03.349].................................set debug mode=8[03.354]CPU:   Allwinner Family
[03.357]Model: sun8iw20
[03.359]DRAM:  128 MiB
[03.362]Relocation Offset is: 04f36000
[03.380]secure enable bit: 0
[03.383]CPU=1008 MHz,PLL6=600 Mhz,AHB=200 Mhz, APB1=100Mhz  MBus=300Mhz
[03.389]gic: normal mode
[03.391]flash init start0
[03.393]workmode = 0,storage type = 3
spi sunxi_slave->max_hz:120000000 
SF: Detected w25q128 with page size 256 Bytes, erase size 64 KiB, total 16 MiB
[03.409]sunxi flash init ok
[03.412]sunxi_flash_probe ok
[03.415]sunxi_flash_probe ok1
[03.417]line:703 init_clocks
[03.420]init_clocks:finish
[03.422]drv_disp_init
[03.430]get flash lcd idx 0
request pwm success, pwm7:pwm7:0x2000c00.
fdt get node offset faill: hdmi
[03.441]HDMI 2.0 driver init start!
[03.444]fdt_path_offset hdmi fail
[03.447]unable to map hdmi registers
[03.450]drv_disp_init finish
[03.453]boot_gui_init:start
[03.456]set disp.dev2_output_type fail. using defval=0
[03.461]lcd_open_flow=0
[03.463]lcd_clk_config--------------------------------
[03.468]-------------disp_al_lcd_get_clk_info
[03.472]DSI_VERSION_40
[03.474]DSI_VERSION_40 lcd_dsi_format=0
[03.477]tcon_div=4 lcd_div=1 dsi_div=6 dsi_rate=150000000
[03.482]lcd_rate=408000000 pll_rate=408000000 tcon_div=4
[03.488]pll_rate_set=408000000
[03.490]2222222222
[03.492]disp 0, clk: pll(408000000),clk(408000000),dclk(68000000) dsi_rate(150000000)
     clk real:pll(408000000),clk(408000000),dclk(102000000) dsi_rate(150000000)
[03.507]DSI_VERSION_40
[03.509]DSI_VERSION_40 lcd_dsi_format=0
[03.512]tcon_div=4 lcd_div=1 dsi_div=6 dsi_rate=150000000
[03.518]lcd_open_flow=0
[03.851]switch device: sel=0, type=1, mode=4, format=0, bits=0, eotf=4, cs=260
[03.858]boot_gui_init:finish
GUID P[03.861]lcd_open_flow=0
[03.873]lcd_panel_init dsi_dcs_write=29
get lcd id0 0x41 get lcd id15 0xff get lcd id16 0x0 readbytes=16
artition Table Header signature is wrong: 0xE07060200000000 != 0x5452415020494645
part_get_info_efi: *** ERROR: In[04.192]lcd_open_flow=0
valid GPT ***
ERROR: attempting read past flash size 
*** ERROR: Can't read GPT header ***
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
partno erro : can't find partition bootloader
GUID Partition Table Header signature is wrong: 0xE07060200000000 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
ERROR: attempting read past flash size 
*** ERROR: Can't read GPT header ***
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
partno erro : can't find partition boot-resource
[04.238]Get bootloader and boot-resource partition number fail[04.244]lcd_open_flow=0
[04.247]lcd_open_flow=0
[04.249]lcd_open_flow=0
[04.251]LCD open finish
!
GUID Partition Table Header signature is wrong: 0xE07060200000000 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
ERROR: attempting read past flash size 
*** ERROR: Can't read GPT header ***
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
[04.277]Loading Environment from SUNXI_FLASH... GUID Partition Table Header signature is wrong: 0xE07060200000000 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
ERROR: attempting read past flash size 
*** ERROR: Can't read GPT header ***
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
*** Warning - no device, using default environment

Failed (-19)
GUID Partition Table Header signature is wrong: 0xE07060200000000 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
ERROR: attempting read past flash size 
*** ERROR: Can't read GPT header ***
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
[04.334]update part info
[04.336]key 0
GUID Partition Table Header signature is wrong: 0xE07060200000000 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
ERROR: attempting read past flash size 
*** ERROR: Can't read GPT header ***
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
[04.361]no misc partition is found
[04.364]update bootcmd
GUID Partition Table Header signature is wrong: 0xE07060200000000 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
ERROR: attempting read past flash size 
*** ERROR: Can't read GPT header ***
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
GUID Partition Table Header signature is wrong: 0xE07060200000000 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
ERROR: attempting read past flash size 
*** ERROR: Can't read GPT header ***
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
[04.412]libfdt fdt_check_header(): FDT_ERR_BADMAGIC
[04.417]replace_fdt fail addr:0x43200000
disable nand error: FDT_ERR_NOTFOUND
[04.424](weak)update dtb dram start
[04.428]## error: update_fdt_dram_para : FDT_ERR_NOTFOUND
[04.434]update dts
Hit any key to stop autoboot:  0 
## Error: "distro_bootcmd" not defined
=> disp
screen 0:
de_rate 300000000 hz, ref_fps:59
mgr0: 720x1280 fmt[rgb] cs[0x204] range[full] eotf[0x4] bits[8bits] err[1] force_sync[0] unblank direct_show[false] iommu[0]
	lcd output	backlight(100)	fps:25.5	 720x1280
	err:0	skip:0	irq:0	vsync:0	vsync_skip:0	

=>

      希望有经验的朋友能不能帮我分析一下,是不是哪里时钟配置出错了

      uboot的dts文件如下

      /*
 * Allwinner Technology CO., Ltd. sun8iw20p1 soc board.
 *
 * soc board support.
 */
/dts-v1/;

#include "sun8iw20p1-soc-system.dtsi"

&platform {
	eraseflag   = <1>;
	next_work   = <3>;
	debug_mode  = <1>;
};

&target {
	boot_clock = <1008>;	/*CPU boot frequency, Unit: MHz*/
	storage_type = <0xffffffff>; /*boot medium, 0-nand, 1-card0, 2-card2, -1(defualt)auto scan*/
	burn_key = <0>;		/*1:support burn key; 0:not support burn key*/
	dragonboard_test = <0>;	/*1:support card boot dragonboard; 0:not support card boot dragonboard*/
};

&charger0 {
	pmu_safe_vol = <3500>;
};

&twi6 {
	clock-frequency = <200000>;
	pinctrl-0 = <&s_twi0_pins_a>;
	no_suspend = <1>;
	twi_drv_used = <1>;
	status = "okay";
};

&pwm7_pin_a {
	pins = "PD22";
	function = "pwm7";
	muxsel = <5>;
	drive-strength = <10>;
	bias-pull-up;
};

&pwm7_pin_b {
	pins = "PD22";
	muxsel = <0>;
	function = "gpio_out";
};

&pwm7 {
	pinctrl-names = "active", "sleep";
	pinctrl-0 = <&pwm7_pin_a>;
	pinctrl-1 = <&pwm7_pin_b>;
	status = "okay";
};

&sdc0_pins_a {
	allwinner,pins = "PF0", "PF1", "PF2",
			 "PF3", "PF4", "PF5";
	allwinner,function = "sdc0";
	allwinner,muxsel = <2>;
	allwinner,drive = <3>;
	allwinner,pull = <1>;
	pins = "PF0", "PF1", "PF2",
	       "PF3", "PF4", "PF5";
	function = "sdc0";
	drive-strength = <30>;
	bias-pull-up;
	power-source = <3300>;
};

&sdc0_pins_b {
	pins = "PF0", "PF1", "PF2",
	       "PF3", "PF4", "PF5";
	function = "sdc0";
	drive-strength = <30>;
	bias-pull-up;
	power-source = <1800>;
};

&sdc0_pins_c {
		pins = "PF0", "PF1", "PF2",
			"PF3", "PF4", "PF5";
		function = "gpio_in";
};

&sdc2_pins_a {
	allwinner,pins = "PC2", "PC3", "PC4",
			 "PC5", "PC6", "PC7";
	allwinner,function = "sdc2";
	allwinner,muxsel = <3>;
	allwinner,drive = <3>;
	allwinner,pull = <1>;
	pins = "PC2", "PC3", "PC4",
		"PC5", "PC6", "PC7";
	function = "sdc2";
	drive-strength = <30>;
	bias-pull-up;

};

&sdc2_pins_b {
	pins = "PC2", "PC3", "PC4",
	       "PC5", "PC6", "PC7";
	function = "gpio_in";
};

&nand0_pins_a {
	allwinner,pins = "PC0", "PC1", "PC2", "PC5",
			 "PC8", "PC9", "PC10", "PC11",
			 "PC12", "PC13", "PC14", "PC15",
			 "PC16";
	allwinner,pname= "nand0_we", "nand0_ale","nand0_cle", "nand0_nre",
			 "nand0_d0", "nand0_d1", "nand0_d2", "nand0_d3",
			 "nand0_d4", "nand0_d5", "nand0_d6", "nand0_d7",
			 "nand0_ndqs";
	allwinner,function = "nand0";
	allwinner,muxsel = <2>;
	allwinner,drive = <1>;
	allwinner,pull = <0>;
};

&nand0_pins_b {
	allwinner,pins = "PC4", "PC6", "PC03", "PC07";
	allwinner,pname= "nand0_ce0", "nand0_rb0", "nand0_ce1", "nand0_rb1";
	allwinner,function = "nand0";
	allwinner,muxsel = <2>;
	allwinner,drive = <1>;
	allwinner,pull = <1>;	/* only RB&CE should be pulled up */
};

&nand0_pins_c {
	allwinner,pins = "PC0", "PC1", "PC2", "PC3",
			 "PC4", "PC5", "PC6", "PC7",
			 "PC8", "PC9", "PC10", "PC11",
			 "PC12", "PC13", "PC14", "PC15",
			 "PC16";
	allwinner,function = "io_disabled";
	allwinner,muxsel = <7>;
	allwinner,drive = <1>;
	allwinner,pull = <0>;
};

&spi0_pins_a {
	allwinner,pins = "PC2", "PC4", "PC5";
	allwinner,pname = "spi0_sclk", "spi0_mosi", "spi0_miso";
	allwinner,function = "spi0";
	allwinner,muxsel = <2>;
	allwinner,drive = <1>;
	allwinner,pull = <0>;
};

&spi0_pins_b {
	allwinner,pins = "PC3", "PC7", "PC6";
	allwinner,pname = "spi0_cs0", "spi0_hold", "spi0_wp";
	allwinner,function = "spi0";
	allwinner,muxsel = <2>;
	allwinner,drive = <1>;
	allwinner,pull = <1>;   // only CS should be pulled up
};

&spi0_pins_c {
	allwinner,pins = "PC2", "PC3", "PC4", "PC5",
			"PC6", "PC7";
	allwinner,function = "gpio_in";
	allwinner,muxsel = <0>;
	allwinner,drive = <1>;
	allwinner,pull = <0>;
};

&card0_boot_para {  /* Avoid dtc compiling warnings. @TODO: Developer should modify this to the actual value */
	/* reg = <0x0 0x2 0x0 0x0>;  [> Avoid dtc compiling warnings. @TODO: Developer should modify this to the actual value <] */
	device_type = "card0_boot_para";
	card_ctrl = <0x0>;
	card_high_speed = <0x1>;
	card_line = <0x4>;
	pinctrl-0 = <&sdc0_pins_a>;
};

&card2_boot_para {  /* Avoid dtc compiling warnings. @TODO: Developer should modify this to the actual value */
	/* reg = <0x0 0x3 0x0 0x0>;  [> Avoid dtc compiling warnings. @TODO: Developer should modify this to the actual value <] */
	device_type = "card2_boot_para";
	card_ctrl = <0x2>;
	card_high_speed = <0x1>;
	card_line = <0x4>;
	pinctrl-0 = <&sdc2_pins_a>;
	sdc_ex_dly_used = <0x2>;
	sdc_io_1v8 = <0x1>;
	sdc_tm4_win_th = <0x08>;
	sdc_tm4_hs200_max_freq = <150>;
	sdc_tm4_hs400_max_freq = <100>;
	sdc_type = "tm4";
};
&gpio_bias {  /* Avoid dtc compiling warnings. @TODO: Developer should modify this to the actual value */
	device_type = "gpio_bias";
	pc_bias = <1800>;
};

&nand0 {
	compatible = "allwinner,sun8iw20-nand";
	device_type = "nand0";
	//reg = <0x0 0x04011000 0x0 0x1000>;/* nand0 */
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&nand0_pins_a &nand0_pins_b>;
	pinctrl-1 = <&nand0_pins_c>;
	nand0_regulator1 = "vcc-nand";
	nand0_regulator2 = "none";
	nand0_cache_level = <0x55aaaa55>;
	nand0_flush_cache_num = <0x55aaaa55>;
	nand0_capacity_level = <0x55aaaa55>;
	nand0_id_number_ctl = <0x55aaaa55>;
	nand0_print_level = <0x55aaaa55>;
	nand0_p0 = <0x55aaaa55>;
	nand0_p1 = <0x55aaaa55>;
	nand0_p2 = <0x55aaaa55>;
	nand0_p3 = <0x55aaaa55>;
	chip_code = "sun8iw20";
	status = "disabled";
};

&spi0 {
	clock-frequency = <100000000>;
	pinctrl-0 = <&spi0_pins_a &spi0_pins_b>;
	pinctrl-1 = <&spi0_pins_c>;
	pinctrl-names = "default", "sleep";
	/*spi-supply = <&reg_dcdc1>;*/
	spi_slave_mode = <0>;
	spi0_cs_number = <1>;
	spi0_cs_bitmap = <1>;
	status = "okay";

	spi-nand@0 {
		compatible = "spi-nand";
		spi-max-frequency=<0x5F5E100>;
		reg = <0x0>;
		spi-rx-bus-width=<0x04>;
		spi-tx-bus-width=<0x04>;
		status="okay";
	};
};

&disp {
	disp_init_enable         = <1>;
	disp_mode                = <0>;

	screen0_output_type      = <1>;
	screen0_output_mode      = <4>;

	screen1_output_type      = <3>;
	screen1_output_mode      = <10>;

	screen1_output_format    = <0>;
	screen1_output_bits      = <0>;
	screen1_output_eotf      = <4>;
	screen1_output_cs        = <257>;
	screen1_output_range     = <2>;
	screen1_output_scan      = <0>;
	screen1_output_aspect_ratio = <8>;

	dev0_output_type         = <1>;
	dev0_output_mode         = <4>;
	dev0_screen_id           = <0>;
	dev0_do_hpd              = <0>;

	dev1_output_type         = <4>;
	dev1_output_mode         = <10>;
	dev1_screen_id           = <1>;
	dev1_do_hpd              = <1>;

	def_output_dev           = <0>;

	fb0_format               = <0>;
	fb0_width                = <0>;
	fb0_height               = <0>;

	fb1_format               = <0>;
	fb1_width                = <0>;
	fb1_height               = <0>;
	chn_cfg_mode             = <1>;

	disp_para_zone           = <1>;
	/*VCC-LCD*/
/*	dc1sw-supply = <&reg_dc1sw>;*/
	/*VCC-DSI*/
/*	eldo3-supply = <&reg_eldo3>;*/
	/*VCC-PD*/
/*	dcdc1-supply = <&reg_dcdc1>;*/
};
/*800x480 tft*/
/*
&lcd0 {
	lcd_used            = <1>;

	lcd_driver_name     = "default_lcd";
	lcd_backlight       = <100>;
	lcd_if              = <0>;

	lcd_x               = <800>;
	lcd_y               = <480>;
	lcd_width           = <150>;
	lcd_height          = <94>;
	lcd_dclk_freq       = <36>;
	lcd_hv_clk_phase    = <0>;
	lcd_hv_sync_polarity= <3>;

	lcd_pwm_used        = <1>;
	lcd_pwm_ch          = <7>;
	lcd_pwm_freq        = <20000>;
	lcd_pwm_pol         = <0>;

	lcd_hbp             = <46>;
	lcd_ht              = <1055>;
	lcd_hspw            = <0>;
	lcd_vbp             = <23>;
	lcd_vt              = <525>;
	lcd_vspw            = <0>;

	lcd_lvds_if         = <0>;
	lcd_lvds_colordepth = <1>;
	lcd_lvds_mode       = <0>;
	lcd_frm             = <1>;
	lcd_io_phase        = <0x0000>;
	lcd_gamma_en        = <0>;
	lcd_bright_curve_en = <0>;
	lcd_cmap_en         = <0>;

	pinctrl-0 = <&rgb18_pins_a>;
	pinctrl-1 = <&rgb18_pins_b>;
};

&aliases {
	nand0 = &nand0;
	twi6 = &twi6;
	pwm = &pwm;
	pwm0 = &pwm0;
	pwm1 = &pwm1;
	pwm2 = &pwm2;
	pwm3 = &pwm3;
	pwm4 = &pwm4;
	pwm5 = &pwm5;
	pwm6 = &pwm6;
	pwm7 = &pwm7;
	disp = &disp;
	lcd0 = &lcd0;
	lcd1 = &lcd1;
	eink = &eink;
	spi0 = &spi0;
};
*/

&lcd0 {
	/* part 1 */
lcd_used            = <1>;
lcd_driver_name     = "lq055k3sx02";
	/* part 2 */
lcd_if = <4>;
lcd_dsi_if = <0>;
	/* part 3 */
lcd_x = <720>;
lcd_y = <1280>;
lcd_width = <135>;
lcd_height = <216>;
lcd_dclk_freq = <68>;
lcd_hbp = <40>;
lcd_ht = <870>;
lcd_hspw = <10>;
lcd_vbp = <11>;
lcd_vt = <1305>;
lcd_vspw = <1>;
/* part 4 */
lcd_backlight = <100>;
lcd_pwm_used = <1>;
lcd_pwm_ch = <7>;
lcd_pwm_freq = <20000>;
lcd_pwm_pol = <0>;
lcd_pwm_max_limit = <100>;
//lcd_bl_en = <&pio PD 22 1 0 3 1>;//pwm7 pd22
lcd_bright_curve_en = <0>;
/* part 5 */
lcd_dsi_lane = <4>;
lcd_dsi_format = <0>;
lcd_dsi_te = <0>;
/* part 6 */
lcd_frm = <0>;
lcd_gamma_en = <0>;
lcd_cmap_en = <0>;
/* part 7 */
//lcd_pin_power = "dcdc1";
//lcd_pin_power1 = "eldo3";
//lcd_power = "dc1sw";
lcd_gpio_0 = <&pio PG 10 1 0 3 1>;//rst(PG10)  
lcd_gpio_1 = <&pio PG 13 1 0 3 1>;//   led(PG13)
pinctrl-0 = <&dsi4lane_pins_a>;
pinctrl-1 = <&dsi4lane_pins_b>;

};

&aliases {
	nand0 = &nand0;
	twi6 = &twi6;
	pwm = &pwm;
	pwm0 = &pwm0;
	pwm1 = &pwm1;
	pwm2 = &pwm2;
	pwm3 = &pwm3;
	pwm4 = &pwm4;
	pwm5 = &pwm5;
	pwm6 = &pwm6;
	pwm7 = &pwm7;
	disp = &disp;
	lcd0 = &lcd0;
	lcd1 = &lcd1;
	eink = &eink;
	spi0 = &spi0;
};
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