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[Qemu-devel] [PATCH for-2.12?] m25p80: Correct the at25128a/at25256a eep


From: Philippe Mathieu-Daudé
Subject: [Qemu-devel] [PATCH for-2.12?] m25p80: Correct the at25128a/at25256a eeproms size
Date: Sun, 15 Apr 2018 17:31:06 -0300

>From the datasheet (3368J–SEEPR) description:
    The AT25128A/256A provides 131,072/262,144 bits of serial
    electrically-erasable programmable read only memory (EEPROM)
    organized as 16,384/32,768 words of 8 bits each.

However QEMU models the flash size in bytes.
Correct the at25128a/at25256a entries to reflect the datasheet size.

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
This is not a regression, so can now wait for 2.13.

 hw/block/m25p80.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index b49c8e9caa..d0b9fbfc50 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -196,8 +196,8 @@ static const FlashPartInfo known_devices[] = {
     /* Atmel EEPROMS - it is assumed, that don't care bit in command
      * is set to 0. Block protection is not supported.
      */
-    { INFO("at25128a-nonjedec", 0x0,     0,         1, 131072, EEPROM) },
-    { INFO("at25256a-nonjedec", 0x0,     0,         1, 262144, EEPROM) },
+    { INFO("at25128a-nonjedec", 0x0,     0,         1, 16384, EEPROM) },
+    { INFO("at25256a-nonjedec", 0x0,     0,         1, 32768, EEPROM) },
 
     /* EON -- en25xxx */
     { INFO("en25f32",     0x1c3116,      0,  64 << 10,  64, ER_4K) },
-- 
2.17.0




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