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authorYing-Chun Liu (PaulLiu) <paulliu@debian.org>2019-02-12 22:41:06 +0800
committerYing-Chun Liu (PaulLiu) <paulliu@debian.org>2019-02-27 01:06:57 +0800
commit2c8ef2ae6b8103da5b6b82b2252877d61c2522bf (patch)
treebea32a4d9767a86df3e41b09ee0ad36055f8aabe /bl2/aarch32/bl2_el3_entrypoint.S
parentab3d22473df279c61ed4d4873d26b072dcf887e8 (diff)
downloadtrusted-firmware-a-2c8ef2ae6b8103da5b6b82b2252877d61c2522bf.tar.gz
rpi3: sdhost: SDHost driver improvement
This commit improves the SDHost driver for RPi3 as following: * Unblock MMC_CMD(17). Using MMC_CMD(17) is more efficient on block reading. * In some low probability that SEND_OP_COND might results CRC7 error. We can consider that the command runs correctly. We don't need to retry this command so removing the code for retry. * Using MMC_BUS_WIDTH_1 as MMC default value to improve the stability. * Increase the clock to 50Mhz in data mode to speed up the io. * Change the pull resistors configuration to gain more stability. Signed-off-by: Ying-Chun Liu (PaulLiu) <paulliu@debian.org>
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