On 2/16/21 4:02 PM, Bin Meng wrote: > From: Bin Meng <bin.m...@windriver.com> > > Unlike SD mode, when SD card is working in SPI mode, the argument > of CMD13 is stuff bits. Hence we should bypass the RCA check. > > See "Physical Layer Specification Version 8.00", chapter 7.3.1.3 > Detailed Command Description (SPI mode): > > "The card shall ignore stuff bits and reserved bits in an argument" > > and Table 7-3 Commands and Arguments (SPI mode): > > "CMD13 Argument [31:0] stuff bits" > > Signed-off-by: Bin Meng <bin.m...@windriver.com> > > --- > > Changes in v2: > - update commit message to include the reference in the spec > > hw/sd/sd.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-)
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
