From: Kyungmin Park <kmpark@infradead.org>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH] Add OneNAND Unlock All command
Date: Tue, 22 Jul 2008 11:05:50 +0900 [thread overview]
Message-ID: <20080722020550.GA6656@july> (raw)
Add OneNAND Unlock All command
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
hw/onenand.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/hw/onenand.c b/hw/onenand.c
index d63ecea..719e55f 100644
--- a/hw/onenand.c
+++ b/hw/onenand.c
@@ -355,6 +355,22 @@ static void onenand_command(struct onenand_s *s, int cmd)
s->wpstatus = s->blockwp[b] = ONEN_LOCK_UNLOCKED;
}
break;
+
+ case 0x27: /* Unlock All NAND array block(s) */
+ s->intstatus |= ONEN_INT;
+
+ for (b = 0; b < s->blocks; b ++) {
+ if (b >= s->blocks) {
+ s->status |= ONEN_ERR_CMD;
+ break;
+ }
+ if (s->blockwp[b] == ONEN_LOCK_LOCKTIGHTEN)
+ break;
+
+ s->wpstatus = s->blockwp[b] = ONEN_LOCK_UNLOCKED;
+ }
+ break;
+
case 0x2a: /* Lock NAND array block(s) */
s->intstatus |= ONEN_INT;
--
1.5.3.3
reply other threads:[~2008-07-22 2:10 UTC|newest]
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