打印如下：
Boot Strap for NAND only. Can't set GPIOs to SF
dc_serial_flash_open: UNKNOWN Flash type from UC_BOOT_CONFIG
Flash: UNKNOWN TYPE
U-Boot 2010.09-00018-ge250b69-dirty (May 06 2015 - 13:08:16)
I2C: ready
DRAM: 128 MiB
CLKPLL1 rate = 1200000000
NFC clock is 200 MHz, source CLKPLL1, BCH clock 200 MHz
Set GPIOs to NAND
Byte 0: ec Byte 1: d5 Byte 2: 84 Byte 3: 72 Byte 4: 50 Byte 5: 42 Byte 6: ec Byte 7: d5 NAND device: Manufacturer ID: 0xec, Chip ID: 0xd5 (Samsung NAND 2GiB 3,3V 8-bit)
Erase Block Size: 1048576 Program Page Size: 8192 OOB Size: 436
Board rev number = 1
drv_video_init:
RAM usage:
final_fb_address: 0xf000000, length: 0x1000000
bmp_buffer2_address: 0xeda8000, length: 0x258000
bmp_buffer1_address: 0xeb50000, length: 0x258000
FB settings: 1024x600, 16 bpp
Time spent in voInit: 0 us
Page: 0000038c, Corrected Errors 1 (total 0)
Page: 0000038e, Corrected Errors 1 (total 0)
Page: 0000039e, Corrected Errors 1 (total 0)
Page: 000003a2, Corrected Errors 1 (total 0)
Page: 000003a6, Corrected Errors 1 (total 0)
Page: 000003b0, Corrected Errors 1 (total 0)
Page: 000003b4, Corrected Errors 1 (total 0)
Page: 000003c0, Corrected Errors 1 (total 0)
Page: 000003ca, Corrected Errors 1 (total 0)
Page: 00000406, Corrected Errors 1 (total 0)
Page: 0000041a, Corrected Errors 1 (total 0)
Page: 00000426, Corrected Errors 2 (total 0)
Page: 00000444, Corrected Errors 1 (total 0)
Page: 00000472, Corrected Errors 1 (total 0)
Time spent in nand_read_skip_bad: 329990 us
bmp_desc.width: 1024
bmp_desc.height: 600
bmp_desc.bits_per_pixel: 24
bmp_desc.num_colors: 16777216
bmp_desc.compression: 0
Time spent in render_ram_bitmap: 323839 us
每次到Time spent in render_ram_bitmap: 323839 us 就停了
有没有知道的 感谢
Boot Strap for NAND only. Can't set GPIOs to SF
dc_serial_flash_open: UNKNOWN Flash type from UC_BOOT_CONFIG
Flash: UNKNOWN TYPE
U-Boot 2010.09 (Oct 21 2014 - 12:03:47)
I2C: ready
DRAM: 128 MiB
CLKPLL1 rate = 1200000000
NFC clock is 200 MHz, source CLKPLL1, BCH clock 200 MHz
Set GPIOs to NAND
Byte 0: ec Byte 1: d5 Byte 2: 84 Byte 3: 72 Byte 4: 50 Byte 5: 42 Byte 6: ec Byte 7: d5 NAND device: Manufacturer ID: 0xec, Chip ID: 0xd5 (Samsung NAND 2GiB 3,3V 8-bit)
Erase Block Size: 1048576 Program Page Size: 8192 OOB Size: 436
Board rev number = 1
drv_video_init:
RAM usage:
final_fb_address: 0xf000000, length: 0x1000000
bmp_buffer2_address: 0xeda8000, length: 0x258000
bmp_buffer1_address: 0xeb50000, length: 0x258000
FB settings: 1024x600, 16 bpp
---->video
Open Black Light V1.0!
Setting VOP Timing for 1024x600
VO configured for 10" Fusion LVDS LCD 32BPP
Time spent in voInit: 107209 us
Page: 0000038f, Corrected Errors 1 (total 0)
Page: 000003a6, Corrected Errors 1 (total 0)
Page: 000003c8, Corrected Errors 1 (total 0)
Page: 000003e4, Corrected Errors 1 (total 0)
Page: 000003ec, Corrected Errors 1 (total 0)
Page: 000003fc, Corrected Errors 1 (total 0)
Page: 00000406, Corrected Errors 1 (total 0)
Page: 00000416, Corrected Errors 1 (total 0)
Time spent in nand_read_skip_bad: 321593 us
bmp_desc.width: 1024
bmp_desc.height: 600
bmp_desc.bits_per_pixel: 24
bmp_desc.num_colors: 16777216
bmp_desc.compression: 0
Time spent in render_ram_bitmap: 337177 us
dc_vo_flip_buffer: 0xf000000
Total time spent in drv_video_init: 796585 us
Start splash audio
Forcing AUD_TX to 24.62 MHz!
CX20749 HW revision B0
Outputting to line out
Audio reserved buffer base = 0x007127e0 size = 384064 bytes
Err cx92745_validate_wav_file: chunk_id != RIFF
In: serial
Out: serial
Err: serial
Nand device string K9GAG08U0E
Buck 0xBE = 0x0d
Buck 0xBA = 0x00
Buck 0xB6 = 0x00
Press 's' to abort autoboot in 1 second
把map文件一起贴出来，方便看到问题出在哪！