WhyCan Forum(哇酷开发者社区)

[
[    1.776903] Kernel panic - not syncing: VFS: Unable to mount root fs on unkno                                                   wn-block(31,2)
[    1.785238] CPU: 0 PID: 1 Comm: swapper Not tainted 5.4.99 #1
[    1.790965] Hardware name: Allwinner suniv Family
[    1.795734] [<c010e1c8>] (unwind_backtrace) from [<c010b964>] (show_stack+0x1                                                   0/0x14)
[    1.803513] [<c010b964>] (show_stack) from [<c06eea9c>] (panic+0xe8/0x2e4)
[    1.810403] [<c06eea9c>] (panic) from [<c090135c>] (mount_block_root+0x2bc/0x                                                   31c)
[    1.817882] [<c090135c>] (mount_block_root) from [<c0901568>] (prepare_namesp                                                   ace+0x128/0x188)
[    1.826412] [<c0901568>] (prepare_namespace) from [<c06f68d4>] (kernel_init+0                                                   x8/0x108)
[    1.834326] [<c06f68d4>] (kernel_init) from [<c01010e0>] (ret_from_fork+0x14/                                                   0x34)
[    1.841873] Exception stack(0xc2839fb0 to 0xc2839ff8)
]

[
Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.99 (yocto@85-159-213-31) (gcc version 8.4.0 (Buildroot -g21de572)) #1 Sun Nov 20 09:53:48 UTC 2022
[    0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
[    0.000000] CPU: VIVT data cache, VIVT instruction cache
[    0.000000] OF: fdt: Machine model: Widora MangoPi R3
[    0.000000] Memory policy: Data cache writeback
[    0.000000] cma: Reserved 16 MiB at 0x82c00000
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 15883
[    0.000000] Kernel command line: console=ttyS0,115200 rootwait init=/preinit root=/dev/mtdblock2 rootfstype=squashfs overlayfsdev=/dev/mtdblock3 net.ifnames=0 vt.global_cursor_default=0
[    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, lin                                                   ear)
[    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, line                                                   ar)

]

[
boot_device=mmc0
boot_slot_0=empty
boot_slot_1=empty
boot_targets=fel dfu mmc0 mmc1 spi loopdfu
bootcmd=setenv lcd_bl_pin 134; run distro_bootcmd;
bootcmd_dfu=if test "${boot_device}" != "mmc0" || test "${boot_slot_1}" = "empty"; then run dfu_boot; fi;
bootcmd_fel=if test "${boot_device}" = "fel"; then run fel_boot; fi;
bootcmd_loopdfu=setenv dfu_wait_timeout; run bootcmd_dfu;
bootcmd_mmc0=if test "${boot_device}" = "mmc0"; then devnum=0; run mmc_boot; fi;
bootcmd_mmc1=if test "${boot_device}" = "mmc1"; then devnum=1; run mmc_boot; fi;
bootcmd_spi=if test "${boot_device}" = "spi"; then run nor_nand_boot; fi;
bootm_size=0x1800000
dfu_boot=if test "${boot_slot_1}" = "spi-nand"; then echo "DFU waiting on SPI-NAND..."; run dfu_nand; fi; if test "${boot_slot_1}" = "spi-nor"; then echo "DFU waiting on SPI-NOR..."; run dfu_nor; fi; if test "${boot_slot_1}" = "mmc1"; then echo "DFU waiting on MMC1..."; setenv dfu_mmc_dev 1; run dfu_mmc; fi; if test "${boot_slot_1}" = "empty" && test "${boot_slot_0}" = "mmc0"; then echo "DFU waiting on MMC0..."; setenv dfu_mmc_dev 0; run dfu_mmc; fi;
dfu_mmc=mmc dev ${dfu_mmc_dev}; run mmc_dfu_info; dfu 0 mmc ${dfu_mmc_dev} ${dfu_wait_timeout};
dfu_nand=run nand_dfu_info; dfu 0 mtd spi-nand0 ${dfu_wait_timeout};
dfu_nor=run nor_dfu_info; dfu 0 sf 0:0 ${dfu_wait_timeout};
dfu_wait_timeout=3
distro_bootcmd=run scan_boot_slot; run show_splash; for target in ${boot_targets}; do run bootcmd_${target}; done
fdtcontroladdr=82e5f9b0
fel_boot=echo "Booting from FEL..."; bootm ${kernel_addr_r};
kernel_addr_r=0x81000000
mmc_boot=mmc dev ${devnum}; echo "Booting from MMC${devnum}..."; load mmc ${devnum}:${mmc_bootpart} $kernel_addr_r ${mmc_kernel}; bootm ${kernel_addr_r};
mmc_bootdev=0
mmc_bootpart=2
mmc_dfu_info=setenv dfu_alt_info "all raw 0x0 0x37000;u-boot raw 0x10 0x7f0;boot part ${dfu_mmc_dev} ${mmc_bootpart};rom part ${dfu_mmc_dev} ${mmc_rootpart};kernel fat ${dfu_mmc_dev} ${mmc_bootpart}"
mmc_kernel=kernel.itb
mmc_rootpart=3
mmc_splash=splash.bmp
mmc_ubootpart=1
nand_boot=echo "Booting from SPI-NAND..."; mtd read spi-nand0 ${kernel_addr_r} ${nand_kernel_offset} ${nand_kernel_length}; bootm ${kernel_addr_r};
nand_dfu_info=setenv dfu_alt_info "all raw 0x0 ${nand_size};u-boot raw 0x0 0x80000;kernel raw ${nand_kernel_offset} ${nand_kernel_length};rom raw 0x600000 0x2a00000;vendor raw 0x3000000 0x1000000"
nand_kernel_length=0x500000
nand_kernel_offset=0x100000
nand_size=0x8000000
nand_splash_offset=0x80000
nor_boot=echo "Booting from SPI-NOR..."; sf probe; sf read ${kernel_addr_r} ${sf_kernel_offset} ${sf_kernel_length}; bootm ${kernel_addr_r};
nor_dfu_info=setenv dfu_alt_info "all raw 0x0 ${sf_size};u-boot raw 0x0 0x80000;kernel raw ${sf_kernel_offset} ${sf_kernel_length};rom raw 0x600000 0x700000"
nor_nand_boot=if test "${boot_slot_1}" = "spi-nor"; then run nor_boot; fi; if test "${boot_slot_1}" = "spi-nand"; then run nand_boot; fi;
scan_boot_slot=run scan_boot_slot_0; run scan_boot_slot_1; echo "========================="; echo "Boot Device: ${boot_device}"; echo "Boot Slot 0: ${boot_slot_0}"; echo "Boot Slot 1: ${boot_slot_1}"; echo "=========================";
scan_boot_slot_0=if mmc dev 0; then setenv boot_slot_0 mmc0; fi;
scan_boot_slot_1=if mmc dev 1; then setenv boot_slot_1 mmc1; else if sf probe; then setenv boot_slot_1 spi-nor; else if mtd list; then setenv boot_slot_1 spi-nand; fi; fi; fi;
sf_kernel_length=0x500000
sf_kernel_offset=0x100000
sf_size=0x1000000
sf_splash_offset=0x80000
show_splash=run splash_${boot_device}; bmp display ${splash_addr}; gpio set ${lcd_bl_pin};
splash_addr=0x80000000
splash_length=0x80000
splash_mmc=load mmc ${devnum}:${mmc_bootpart} ${splash_addr} ${mmc_splash};
splash_nand=mtd read spi-nand0 ${splash_addr} ${nand_splash_offset} ${splash_length};
splash_nor=sf probe; sf read ${splash_addr} ${sf_splash_offset} ${splash_length};
splash_spi=if test "${boot_slot_1}" = "spi-nor"; then run splash_nor; fi; if test "${boot_slot_1}" = "spi-nand"; then run splash_nand; fi;
stderr=serial
stdin=serial
stdout=serial

]

[console=ttyS0,115200 rootwait init=/preinit root=/dev/mmcblk0p3 rw  net.ifnames=0 vt.global_cursor_default=0]

[[    1.735975] Waiting for root device /dev/mmcblk0p3...
[    1.764950] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.775198] mmc0: new high speed SDHC card at address 1234
[    1.782943] mmcblk0: mmc0:1234 SA32G 29.1 GiB
[    1.793292]  mmcblk0: p1 p2 p3
[    1.966257] EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. Opts: (null)
[    1.974644] VFS: Mounted root (ext4 filesystem) on device 179:3.
[    1.982569] devtmpfs: mounted
[    1.991513] Freeing unused kernel memory: 1024K
[    1.996158] Run /preinit as init process
[    2.495549] EXT4-fs (mmcblk0p3): re-mounted. Opts: (null)
Starting syslogd: OK
Starting klogd: OK
Running sysctl: OK
Populating /dev using udev: [    3.168942] udevd[88]: starting version 3.2.9
[    3.314178] udevd[89]: starting eudev-3.2.9
[    5.142050] Goodix-TS 0-005d: 0-005d supply AVDD28 not found, using dummy regulator
[    5.150141] Goodix-TS 0-005d: 0-005d supply VDDIO not found, using dummy regulator
[    5.178156] ov2640 0-0030: Product ID error fa:fa
[    5.363941] Goodix-TS 0-005d: i2c test failed attempt 1: -6
[    5.408790] Goodix-TS 0-005d: i2c test failed attempt 2: -6
[    5.448939] Goodix-TS 0-005d: I2C communication failure: -6
done
Saving random seed: OK
Starting haveged: haveged: listening socket at 3
OK
Starting system message bus: done
Starting network: OK
Starting ofono ... done.
Starting uMTPrd: [    8.085344] file system registered
[    8.424268] read descriptors
[    8.427221] read strings
OK

Welcome to Widora MangoPi R3
]

[	chosen {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		bootargs = "console=ttyS0,115200 rootwait init=/preinit root=/dev/mtdblock2 rootfstype=squashfs overlayfsdev=/dev/mtdblock3";

		simplefb_lcd: framebuffer-lcd0 {
			compatible = "allwinner,simple-framebuffer",
				     "simple-framebuffer";
			allwinner,pipeline = "de_be0-lcd0";
			clocks = <&ccu CLK_BUS_DE_BE>, <&ccu CLK_DE_BE>,
				 <&ccu CLK_DRAM_DE_BE>, <&ccu CLK_BUS_LCD>,
				 <&ccu CLK_TCON>;
			status = "disabled";
		};
	};]

void Lcd_Initialize(void)	//LCD初始化函数
{
    LCD_SPI_CS(1);
    LCD_delay(20);
    LCD_SPI_CS(0);
    LCD_Reset();

	
 SPI_WriteComm(0xB4);
	SPI_WriteData(0x00);
	
	SPI_WriteComm(0xB0);
	SPI_WriteData(0x04);

	SPI_WriteComm(0x20);
	
	SPI_WriteComm(0x36); //Set_address_mode
 	SPI_WriteData(0x6A); //横屏
	SPI_WriteComm(0x3A); 
	SPI_WriteData(0x77);
	
	SPI_WriteComm(0xB3);
	SPI_WriteData(0x02);
	SPI_WriteData(0x00);
	SPI_WriteData(0x00);
	SPI_WriteData(0x20);
	
	
	
	SPI_WriteComm(0xc0);
	SPI_WriteData(0x03);
	SPI_WriteData(0xdf);
	SPI_WriteData(0x40);
	SPI_WriteData(0x12);
	SPI_WriteData(0x00);
	SPI_WriteData(0x01);
	SPI_WriteData(0x00);
	SPI_WriteData(0x55);// 
	
	SPI_WriteComm(0xc1);
	SPI_WriteData(0x07);
	SPI_WriteData(0x28);
	SPI_WriteData(0x08);// 
	SPI_WriteData(0x08);//
	SPI_WriteData(0x00);//
	
	SPI_WriteComm(0xc4);
	SPI_WriteData(0x70);//
	SPI_WriteData(0x00);
	SPI_WriteData(0x03);
	SPI_WriteData(0x01);
	
	SPI_WriteComm(0xc6);
	SPI_WriteData(0x1d);//1d
	
	SPI_WriteComm(0xc8);
	SPI_WriteData(0x06);
	SPI_WriteData(0x0c);
	SPI_WriteData(0x16);
	SPI_WriteData(0x24);
	SPI_WriteData(0x30);
	SPI_WriteData(0x48);
	SPI_WriteData(0x3d);
	SPI_WriteData(0x28);
	SPI_WriteData(0x20);
	SPI_WriteData(0x14);
	SPI_WriteData(0x0c);
	SPI_WriteData(0x04);
	SPI_WriteData(0x06);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x16);
	SPI_WriteData(0x24);
	SPI_WriteData(0x30);
	SPI_WriteData(0x48);
	SPI_WriteData(0x3D);
	SPI_WriteData(0x28);
	SPI_WriteData(0x20);
	SPI_WriteData(0x14);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x04);
	
	SPI_WriteComm(0xC9);
	SPI_WriteData(0x06);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x16);
	SPI_WriteData(0x24);
	SPI_WriteData(0x30);
	SPI_WriteData(0x48);
	SPI_WriteData(0x3D);
	SPI_WriteData(0x28);
	SPI_WriteData(0x20);
	SPI_WriteData(0x14);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x04);	
	SPI_WriteData(0x06);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x16);
	SPI_WriteData(0x24);
	SPI_WriteData(0x30);
	SPI_WriteData(0x48);
	SPI_WriteData(0x3D);
	SPI_WriteData(0x28);
	SPI_WriteData(0x20);
	SPI_WriteData(0x14);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x04);
	
	SPI_WriteComm(0xCA);
	SPI_WriteData(0x06);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x16);
	SPI_WriteData(0x24);
	SPI_WriteData(0x30);
	SPI_WriteData(0x48);
	SPI_WriteData(0x3D);
	SPI_WriteData(0x28);
	SPI_WriteData(0x20);
	SPI_WriteData(0x14);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x04);	
	SPI_WriteData(0x06);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x16);
	SPI_WriteData(0x24);
	SPI_WriteData(0x30);
	SPI_WriteData(0x48);
	SPI_WriteData(0x3D);
	SPI_WriteData(0x28);
	SPI_WriteData(0x20);
	SPI_WriteData(0x14);
	SPI_WriteData(0x0C);
	SPI_WriteData(0x04);
	
	SPI_WriteComm(0xD0);
	SPI_WriteData(0x95);
	SPI_WriteData(0x0A);
	SPI_WriteData(0x08);
	SPI_WriteData(0x10);
	SPI_WriteData(0x39);
	
	SPI_WriteComm(0xD1);
	SPI_WriteData(0x02);
	SPI_WriteData(0x2c);//
	SPI_WriteData(0x2c);//
	SPI_WriteData(0x44);//	
	SPI_WriteData(0x00);//0x08 
	
	SPI_WriteComm(0x11);
	LCD_delay(100);
	SPI_WriteComm(0x29);
	LCD_delay(100);
	SPI_WriteComm(0x2C);
		
		SPI_WriteComm(0x36);
#if LCD_RGB_ORIENTATION //是否旋转90度
 SPI_WriteData(0x09);
#else
 SPI_WriteData(0x08);
#endif

 
}