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Reset CFI01 flash wcycle after erase confirm (Thomas Petazzoni). 

pfl->wcycle was set to 1 when the erase confirm command was set, which
lead to the next command being misinterpreted by Qemu:

pflash_write: Unimplemented flash cmd sequence (offset 00000000,
wcycle 0x1 cmd 0x20 value 0x70)

This patch fixes this issue by resetting pfl->wcycle to 0 on erase
confirm so that the next command is considered as a new one.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5409 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-10-03 23:00:09 +00:00
parent f4b1a842d7
commit 3656744cdd
1 changed files with 1 additions and 1 deletions
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2
hw/pflash_cfi01.c
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@ -267,7 +267,7 @@ static void pflash_write (pflash_t *pfl, target_ulong offset, uint32_t value,
case 0x20: /* Block erase */
case 0x28:
if (cmd == 0xd0) { /* confirm */
pfl->wcycle = 1;
pfl->wcycle = 0;
pfl->status |= 0x80;
} else if (cmd == 0xff) { /* read array mode */
goto reset_flash;