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m25p80: Fix WINBOND fast read command handling

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This commit fix obvious bug in WINBOND command handling.
Datasheet states that default dummy cycles is 8 so fix it.

Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Message-id: 1466755631-25201-11-git-send-email-marcin.krzeminski@nokia.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Marcin Krzeminski 2016-06-27 15:37:34 +01:00 committed by Peter Maydell
parent dadb2f9078
commit 3830c7a460
1 changed files with 5 additions and 2 deletions
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7
hw/block/m25p80.c
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@ -738,6 +738,9 @@ 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_WINBOND:
s->needed_bytes += 8;
break;
case MAN_NUMONYX:
s->needed_bytes += extract32(s->volatile_cfg, 4, 4);
break;
@ -768,7 +771,7 @@ static void decode_dio_read_cmd(Flash *s)
/* Dummy cycles modeled with bytes writes instead of bits */
switch (get_man(s)) {
case MAN_WINBOND:
s->needed_bytes = 4;
s->needed_bytes += 8;
break;
case MAN_SPANSION:
s->needed_bytes += SPANSION_CONTINUOUS_READ_MODE_CMD_LEN;
@ -807,7 +810,7 @@ static void decode_qio_read_cmd(Flash *s)
/* Dummy cycles modeled with bytes writes instead of bits */
switch (get_man(s)) {
case MAN_WINBOND:
s->needed_bytes = 6;
s->needed_bytes += 8;
break;
case MAN_SPANSION:
s->needed_bytes += SPANSION_CONTINUOUS_READ_MODE_CMD_LEN;