]> git.sur5r.net Git - openocd/blobdiff - src/flash/nand/s3c2412.c
move nand drivers to src/flash/nand/
[openocd] / src / flash / nand / s3c2412.c
diff --git a/src/flash/nand/s3c2412.c b/src/flash/nand/s3c2412.c
new file mode 100644 (file)
index 0000000..5784305
--- /dev/null
@@ -0,0 +1,79 @@
+/***************************************************************************
+ *   Copyright (C) 2007, 2008 by Ben Dooks                                 *
+ *   ben@fluff.org                                                         *
+ *                                                                         *
+ *   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 program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+/*
+ * S3C2412 OpenOCD NAND Flash controller support.
+ *
+ * Many thanks to Simtec Electronics for sponsoring this work.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "s3c24xx.h"
+
+NAND_DEVICE_COMMAND_HANDLER(s3c2412_nand_device_command)
+{
+       struct s3c24xx_nand_controller *info;
+       CALL_S3C24XX_DEVICE_COMMAND(nand, &info);
+
+       /* fill in the address fields for the core device */
+       info->cmd = S3C2440_NFCMD;
+       info->addr = S3C2440_NFADDR;
+       info->data = S3C2440_NFDATA;
+       info->nfstat = S3C2412_NFSTAT;
+
+       return ERROR_OK;
+}
+
+static int s3c2412_init(struct nand_device *nand)
+{
+       struct s3c24xx_nand_controller *s3c24xx_info = nand->controller_priv;
+       struct target *target = s3c24xx_info->target;
+
+       target_write_u32(target, S3C2410_NFCONF,
+                        S3C2440_NFCONF_TACLS(3) |
+                        S3C2440_NFCONF_TWRPH0(7) |
+                        S3C2440_NFCONF_TWRPH1(7));
+
+       target_write_u32(target, S3C2440_NFCONT,
+                        S3C2412_NFCONT_INIT_MAIN_ECC |
+                        S3C2440_NFCONT_ENABLE);
+
+       return ERROR_OK;
+}
+
+struct nand_flash_controller s3c2412_nand_controller = {
+               .name = "s3c2412",
+               .nand_device_command = &s3c2412_nand_device_command,
+               .init = &s3c2412_init,
+               .reset = &s3c24xx_reset,
+               .command = &s3c24xx_command,
+               .address = &s3c24xx_address,
+               .write_data = &s3c24xx_write_data,
+               .read_data = &s3c24xx_read_data,
+               .write_page = s3c24xx_write_page,
+               .read_page = s3c24xx_read_page,
+               .write_block_data = &s3c2440_write_block_data,
+               .read_block_data = &s3c2440_read_block_data,
+               .controller_ready = &s3c24xx_controller_ready,
+               .nand_ready = &s3c2440_nand_ready,
+       };