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[PATCH] hw/block: m25p80: Fix fast read for SST flashes
From: |
Bin Meng |
Subject: |
[PATCH] hw/block: m25p80: Fix fast read for SST flashes |
Date: |
Mon, 30 Nov 2020 10:50:02 +0800 |
From: Bin Meng <bin.meng@windriver.com>
SST flashes require a dummy byte after the address bits.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
---
hw/block/m25p80.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 483925f..9b36762 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -825,6 +825,9 @@ 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;
--
2.7.4
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