1 files changed, 68 insertions, 0 deletions

diff --git a/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4740.c b/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4740.c
new file mode 100644
index 0000000000..ad053c7deb
--- /dev/null
+++ b/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4740.c
@@ -0,0 +1,68 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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 "config.h"
+#include "jz4740.h"
+#include "ata.h"
+
+#define NAND_CMD_READ1_00                 0x00
+#define NAND_CMD_READ1_01                 0x01
+#define NAND_CMD_READ2                    0x50
+#define NAND_CMD_READ_ID1                 0x90
+#define NAND_CMD_READ_ID2                 0x91
+#define NAND_CMD_RESET                    0xFF
+#define NAND_CMD_PAGE_PROGRAM_START       0x80
+#define NAND_CMD_PAGE_PROGRAM_STOP        0x10
+#define NAND_CMD_BLOCK_ERASE_START        0x60
+#define NAND_CMD_BLOCK_ERASE_CONFIRM      0xD0
+#define NAND_CMD_READ_STATUS              0x70
+
+#define NANDFLASH_CLE           0x00008000 //PA[15]
+#define NANDFLASH_ALE           0x00010000 //PA[16]
+
+#define NANDFLASH_BASE 0xB8000000
+#define REG_NAND_DATA  (*((volatile unsigned char *) NANDFLASH_BASE))
+#define REG_NAND_CMD   (*((volatile unsigned char *) (NANDFLASH_BASE + NANDFLASH_CLE)))
+#define REG_NAND_ADDR  (*((volatile unsigned char *) (NANDFLASH_BASE + NANDFLASH_ALE)))
+
+#define JZ_NAND_SET_CLE    (NANDFLASH_BASE |=  NANDFLASH_CLE)
+#define JZ_NAND_CLR_CLE    (NANDFLASH_BASE &= ~NANDFLASH_CLE)
+#define JZ_NAND_SET_ALE    (NANDFLASH_BASE |=  NANDFLASH_ALE)
+#define JZ_NAND_CLR_ALE    (NANDFLASH_BASE &= ~NANDFLASH_ALE)
+
+#define JZ_NAND_SELECT     (REG_EMC_NFCSR |=  EMC_NFCSR_NFCE1 )
+#define JZ_NAND_DESELECT   (REG_EMC_NFCSR &= ~(EMC_NFCSR_NFCE1))
+
+int ata_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf)
+{
+    (void)start;
+    (void)count;
+    (void)buf;
+    return 0;
+}
+
+int ata_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf)
+{
+    (void)start;
+    (void)count;
+    (void)buf;
+    return 0;
+}