1 files changed, 73 insertions, 0 deletions

diff --git a/firmware/drivers/nand_id.c b/firmware/drivers/nand_id.c
new file mode 100644
index 0000000000..ab10ecec07
--- /dev/null
+++ b/firmware/drivers/nand_id.c
@@ -0,0 +1,73 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Maurus Cuelenaere
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdlib.h>
+#include "nand_id.h"
+
+struct nand_manufacturer
+{
+    unsigned char     id;
+    struct nand_info* info;
+    unsigned short    total;
+};
+
+/* { pages_per_block, blocks_per_bank, page_size, spare_size, col_cycles, row_cycles } */
+
+static const struct nand_info samsung[] =
+{
+    /* K9K8G08UOM */
+    {0xD3, 0x51,  64, 8192, 2048,  64, 2, 3},
+    /* K9LAG08UOM */
+    {0xD5, 0x55, 128, 8192, 2048,  64, 2, 3},
+    /* K9LBG08UOM, K9HBG08U1M, K9MCG08U5M */
+    {0xD7, 0x55, 128, 8192, 4096, 128, 2, 3},
+};
+
+#define M(id, x) {id, (struct nand_info*)x, (sizeof(x)/sizeof(struct nand_info))}
+static const struct nand_manufacturer all[] =
+{
+    M(0xEC, samsung),
+};
+
+struct nand_info* nand_identify(unsigned char data[5])
+ {
+    unsigned int i;
+    int found = -1;
+    for(i = 0; i < (sizeof(all)/sizeof(struct nand_manufacturer)); i++)
+    {
+        if(data[0] == all[i].id)
+        {
+            found = i;
+            break;
+        }
+    }
+    if(found < 0)
+        return NULL;
+    
+    for(i = 0; i < all[found].total; i++)
+    {
+        if(data[1] == all[found].info[i].dev_id &&
+           data[2] == all[found].info[i].dev_id2)
+            return &all[found].info[i];
+    }
+    
+    return NULL;
+}