From: Bin Meng <bin.m...@windriver.com> Per SST25VF016B datasheet [1], SST flash requires a dummy byte after the address bytes. Note only SPI mode is supported by SST flashes.
[1] http://ww1.microchip.com/downloads/en/devicedoc/s71271_04.pdf Signed-off-by: Bin Meng <bin.m...@windriver.com> Acked-by: Alistair Francis <alistair.fran...@wdc.com> Message-id: 20210306060152.7250-1-bmeng...@gmail.com Signed-off-by: Alistair Francis <alistair.fran...@wdc.com> --- hw/block/m25p80.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 5f9471d83c..183d3f44c2 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -895,6 +895,9 @@ static void decode_fast_read_cmd(Flash *s) s->needed_bytes = get_addr_length(s); switch (get_man(s)) { /* Dummy cycles - modeled with bytes writes instead of bits */ + case MAN_SST: + s->needed_bytes += 1; + break; case MAN_WINBOND: s->needed_bytes += 8; break; -- 2.30.1
