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Add support for M95M02-A125

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Automotive 2 Mbit (256KiB) serial SPI bus EEPROM
PREW tested successfully with use of ch341a programmer
on Linux host 5.2.0-1-MANJARO x86_64

Signed-off-by: Konstantin Grudnev <grudnevkv@gmail.com>
Change-Id: Ic29cd9051c7eac4822d620c299834134f987f01b
Reviewed-on: https://review.coreboot.org/c/flashrom/+/34496
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Konstantin Grudnev
2019-07-23 00:48:54 +03:00
committed by Nico Huber
parent 4a84ec273a
commit 3d8868c2b4
6 changed files with 111 additions and 1 deletions
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7
spi.h
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@ -28,6 +28,13 @@
/* INSIZE may be 0x04 for some chips*/
#define JEDEC_RDID_INSIZE 0x03
/* Some ST M95X model */
#define ST_M95_RDID 0x83
#define ST_M95_RDID_3BA_OUTSIZE 0x04 /* 8b op, 24bit addr where size >64KiB */
#define ST_M95_RDID_2BA_OUTSIZE 0x03 /* 8b op, 16bit addr where size <=64KiB */
#define ST_M95_RDID_OUTSIZE_MAX 0x04 /* ST_M95_RDID_3BA_OUTSIZE */
#define ST_M95_RDID_INSIZE 0x03
/* Some Atmel AT25F* models have bit 3 as don't care bit in commands */
#define AT25F_RDID 0x15 /* 0x15 or 0x1d */
#define AT25F_RDID_OUTSIZE 0x01