[coreboot] [PATCH] flashrom: add SST49LF020 support

Sven Schnelle svens at stackframe.org
Tue Jan 6 09:31:21 CET 2009


Uwe Hermann <uwe at hermann-uwe.de> writes:

>> i've added support for the SST 49LF020 Flash chip to flashrom. Basically
>> only the device Id differs, the programming algorithm seems to be the
>> same as for SST 49LF020A.
>> 
>> I've only tested read so far, i'm a bit reluctant to test
>> erase/programming without a backup BIOS chip :)
>
> You forgot the Signed-off-by for this patch, please repost with that.
> [..]
> As reading works, this is not UNSTESTED. At least PROBE and READ
> should be marked as working.

Thanks for commenting, here is the updated patch:

Signed-off-by: Sven Schnelle <svens at stackframe.org>

Index: coreboot-v2/util/flashrom/flash.h
===================================================================
--- coreboot-v2/util/flashrom/flash.h	(revision 3846)
+++ coreboot-v2/util/flashrom/flash.h	(working copy)
@@ -356,6 +356,7 @@
 #define SST_39VF040		0xD7
 #define SST_49LF040B		0x50
 #define SST_49LF040		0x51
+#define SST_49LF020		0x61
 #define SST_49LF020A		0x52
 #define SST_49LF080A		0x5B
 #define SST_49LF002A		0x57
Index: coreboot-v2/util/flashrom/flashchips.c
===================================================================
--- coreboot-v2/util/flashrom/flashchips.c	(revision 3846)
+++ coreboot-v2/util/flashrom/flashchips.c	(working copy)
@@ -626,6 +626,12 @@
 	 probe_49lfxxxc, erase_49lfxxxc, write_49lfxxxc
 	},
 
+	{"SST", "SST49LF020", SST_ID, SST_49LF020,
+	 256, 16 * 1024,
+	 TEST_OK_PR,
+	 probe_jedec, erase_49lf040, write_49lf040
+	},
+
 	{"SST", "SST49LF020A", SST_ID, SST_49LF020A,
 	 256, 16 * 1024,
 	 TEST_UNTESTED,




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