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[Qemu-devel] [PATCH] Add OneNAND Unlock All command
From: |
Kyungmin Park |
Subject: |
[Qemu-devel] [PATCH] Add OneNAND Unlock All command |
Date: |
Tue, 22 Jul 2008 11:05:50 +0900 |
User-agent: |
Mutt/1.5.14 (2007-02-12) |
Add OneNAND Unlock All command
Signed-off-by: Kyungmin Park <address@hidden>
---
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
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