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pflash_cfi01: fix vendor specific extended query 

pflash_cfi01 announces a version number of 1.1, which implies
"Protection Register Information" and "Burst Read information"
sections, which are not provided.

Decrease the version number to 1.0 so that only the "Protection
Register Information" section is needed.

Set the number of protection fields (0x3f) to 0x01, as 0x00 means 256
protections field, which makes the CFI table bigger than the current
implementation, causing some kernels to fail to read it.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
(cherry picked from commit 262e1eaafa)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Aurelien Jarno 2012-09-03 22:47:03 +02:00 committed by Michael Roth
parent 584717a39a
commit 68958c31b5
1 changed files with 3 additions and 1 deletions
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4
hw/pflash_cfi01.c
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@ -711,7 +711,7 @@ pflash_t *pflash_cfi01_register(target_phys_addr_t base,
pfl->cfi_table[0x33] = 'I'; pfl->cfi_table[0x33] = 'I';
pfl->cfi_table[0x34] = '1'; pfl->cfi_table[0x34] = '1';
pfl->cfi_table[0x35] = '1'; pfl->cfi_table[0x35] = '0';
pfl->cfi_table[0x36] = 0x00; pfl->cfi_table[0x36] = 0x00;
pfl->cfi_table[0x37] = 0x00; pfl->cfi_table[0x37] = 0x00;
@ -723,6 +723,8 @@ pflash_t *pflash_cfi01_register(target_phys_addr_t base,
pfl->cfi_table[0x3b] = 0x00; pfl->cfi_table[0x3b] = 0x00;
pfl->cfi_table[0x3c] = 0x00; pfl->cfi_table[0x3c] = 0x00;
pfl->cfi_table[0x3f] = 0x01; /* Number of protection fields */
return pfl; return pfl;
} }