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bbc0bdd40c
Add an "sdcard" configuration that mounts an SD card over SPI0 with a FAT filesystem. The board provides the SPI chip-select glue (gd32_spi0select, gd32_spi0status and gd32_spi0register in a new gd32_spi.c) and gd32_bringup() binds the slot with mmcsd_spislotinitialize() and mounts /dev/mmcsd0 on /mnt/sd. The card is wired to the J1 header: SCK PA2, MISO PA1, MOSI PA0, and a software chip select on PA4. CONFIG_MMCSD_MMCSUPPORT is left off (its MMC CMD1 probe upsets SD cards). Signed-off-by: Jorge Guzman <jorge.gzm@gmail.com> |
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