mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: 张忠山 <zzs213@126.com>
To: barebox@lists.infradead.org
Subject: [PATCH] read cfi device id according the bus width
Date: Thu, 22 Nov 2012 14:01:36 +0800	[thread overview]
Message-ID: <1353564096-18861-1-git-send-email-zzs213@126.com> (raw)

Signed-off-by: 张忠山 <zzs213@126.com>
---
 drivers/nor/cfi_flash_amd.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/nor/cfi_flash_amd.c b/drivers/nor/cfi_flash_amd.c
index 45c59b9..3ab4be0 100644
--- a/drivers/nor/cfi_flash_amd.c
+++ b/drivers/nor/cfi_flash_amd.c
@@ -62,8 +62,11 @@ static void amd_read_jedec_ids (struct flash_info *info)
 	udelay(1000); /* some flash are slow to respond */
 
 	info->manufacturer_id = jedec_read_mfr(info);
-	info->device_id = flash_read_uchar (info,
-					FLASH_OFFSET_DEVICE_ID);
+	if(info->chipwidth == FLASH_CFI_BY16)
+		info->device_id = flash_read16(flash_make_addr(info, 0, FLASH_OFFSET_DEVICE_ID));
+	else
+		info->device_id = flash_read_uchar (info,
+						FLASH_OFFSET_DEVICE_ID);
 	if (info->device_id == 0x7E) {
 		/* AMD 3-byte (expanded) device ids */
 		info->device_id2 = flash_read_uchar (info,
-- 
1.7.4.4



_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

             reply	other threads:[~2012-11-22  6:00 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-22  6:01 张忠山 [this message]
2012-11-22  6:14 ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-22  6:26   ` 张忠山
2012-11-22  6:38     ` Jean-Christophe PLAGNIOL-VILLARD
  -- strict thread matches above, loose matches on Subject: below --
2012-11-22  6:49 张忠山
2012-11-22  7:25 ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-22  8:06   ` 张忠山
2012-11-22  1:48 张忠山
2012-11-22  5:46 ` Jean-Christophe PLAGNIOL-VILLARD

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1353564096-18861-1-git-send-email-zzs213@126.com \
    --to=zzs213@126.com \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox