[coreboot] r3387 - trunk/util/flashrom

[svn at coreboot.org]

Author: stuge
Date: 2008-06-24 04:09:09 +0200 (Tue, 24 Jun 2008)
New Revision: 3387

Modified:
   trunk/util/flashrom/jedec.c
Log:
flashrom: Increase delay in probe_jedec() after Product ID Entry to 10ms

We should follow data sheet timing, even if chips have been tested to answer
faster in the field.

Signed-off-by: Peter Stuge <peter at stuge.se>
Acked-by: Peter Stuge <peter at stuge.se>


Modified: trunk/util/flashrom/jedec.c
===================================================================
--- trunk/util/flashrom/jedec.c	2008-06-24 01:22:03 UTC (rev 3386)
+++ trunk/util/flashrom/jedec.c	2008-06-24 02:09:09 UTC (rev 3387)
@@ -100,10 +100,9 @@
 	myusec_delay(10);
 	*(volatile uint8_t *)(bios + 0x5555) = 0x90;
 	/* Older chips may need up to 100 us to respond. The ATMEL 29C020
-	 * needs 10 ms according to the data sheet, but it has been tested
-	 * to work reliably with 2 ms.
+	 * needs 10 ms according to the data sheet.
 	 */
-	myusec_delay(2000);
+	myusec_delay(10000);
 
 	/* Read product ID */
 	id1 = *(volatile uint8_t *)bios;