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e2e3e2b1be
This option displays board info after stdio is running, so that it will appear on the LCD. If it is displayed earlier, the board info will appear on the serial console but not on the LCD. Here follows a blow-by-blow description. 1a. Without CONFIG_DISPLAY_BOARDINFO_LATE, on serial: U-Boot 2011.12-02550-g037e1c5-dirty (Nov 15 2012 - 14:29:42) for SMDK5250 CPU: S5PC520 @ 1700MHz Board: Google Snow, rev 0 I2C: ready DRAM: 2 GiB Elpida DDR3 @ 800MHz MMC: S5P MSHC0: 0, S5P MSHC1: 1 SF: Detected W25Q32 with page size 4 KiB, total 4 MiB *** Warning - bad CRC, using default environment In: mkbp-keyb Out: lcd Err: lcd Net: No ethernet found. Hit any key to stop autoboot: 0 SMDK5250 # 1b. Without CONFIG_DISPLAY_BOARDINFO_LATE, on LCD (note machine info is missing): In: mkbp-keyb Out: lcd Err: lcd Net: No ethernet found. Hit any key to stop autoboot: 0 SMDK5250 # 2a. With CONFIG_DISPLAY_BOARDINFO_LATE, on serial: U-Boot 2011.12-02550-g037e1c5 (Nov 15 2012 - 14:27:40) for SMDK5250 CPU: S5PC520 @ 1700MHz I2C: ready DRAM: 2 GiB Elpida DDR3 @ 800MHz MMC: S5P MSHC0: 0, S5P MSHC1: 1 SF: Detected W25Q32 with page size 4 KiB, total 4 MiB *** Warning - bad CRC, using default environment Model: Google Snow In: mkbp-keyb Out: lcd Err: lcd Net: No ethernet found. Hit any key to stop autoboot: 0 SMDK5250 # 2b. With CONFIG_DISPLAY_BOARDINFO_LATE, on LCD (note machine info is present): Model: Google Snow In: mkbp-keyb Out: lcd Err: lcd Net: No ethernet found. Hit any key to stop autoboot: 0 SMDK5250 # Since the LCD is all that a typical user sees, it is useful to display the model there. We may be able to rearrange things some other way one day, but at present this seems like a convenient way of getting the required behaviour. Signed-off-by: Simon Glass <sjg@chromium.org> |
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arm | ||
avr32 | ||
blackfin | ||
m68k | ||
microblaze | ||
mips | ||
nds32 | ||
nios2 | ||
openrisc | ||
powerpc | ||
sandbox | ||
sh | ||
sparc | ||
x86 | ||
.gitignore |