From 8653b004619eb3428035698f738417521ad3f026 Mon Sep 17 00:00:00 2001 From: Peter Stuge Date: Tue, 24 Jun 2008 02:09:09 +0000 Subject: 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. Corresponding to flashrom svn r273 and coreboot v2 svn r3387. Signed-off-by: Peter Stuge Acked-by: Peter Stuge --- jedec.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'jedec.c') diff --git a/jedec.c b/jedec.c index 821ebd4..58a750a 100644 --- a/jedec.c +++ b/jedec.c @@ -100,10 +100,9 @@ int probe_jedec(struct flashchip *flash) 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; -- cgit v1.1