1 files changed, 0 insertions, 129 deletions
diff --git a/board/prodrive/pdnb3/nand.c b/board/prodrive/pdnb3/nand.c
deleted file mode 100644
index e1d2c63..0000000
--- a/board/prodrive/pdnb3/nand.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * (C) Copyright 2006
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-
-#if defined(CONFIG_CMD_NAND)
-
-#include <nand.h>
-
-struct pdnb3_ndfc_regs {
-	uchar cmd;
-	uchar wait;
-	uchar addr;
-	uchar term;
-	uchar data;
-};
-
-static u8 hwctl;
-static struct pdnb3_ndfc_regs *pdnb3_ndfc;
-
-#define readb(addr)	*(volatile u_char *)(addr)
-#define readl(addr)	*(volatile u_long *)(addr)
-#define writeb(d,addr)	*(volatile u_char *)(addr) = (d)
-
-/*
- * The PDNB3 has a NAND Flash Controller (NDFC) that handles all accesses to
- * the NAND devices.  The NDFC has command, address and data registers that
- * when accessed will set up the NAND flash pins appropriately.  We'll use the
- * hwcontrol function to save the configuration in a global variable.
- * We can then use this information in the read and write functions to
- * determine which NDFC register to access.
- *
- * There is one NAND devices on the board, a Hynix HY27US08561A (32 MByte).
- */
-static void pdnb3_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
-	struct nand_chip *this = mtd->priv;
-
-	if (ctrl & NAND_CTRL_CHANGE) {
-		if ( ctrl & NAND_CLE )
-			hwctl |= 0x1;
-		else
-			hwctl &= ~0x1;
-		if ( ctrl & NAND_ALE )
-			hwctl |= 0x2;
-		else
-			hwctl &= ~0x2;
-		if ( (ctrl & NAND_NCE) != NAND_NCE)
-			writeb(0x00, &(pdnb3_ndfc->term));
-	}
-	if (cmd != NAND_CMD_NONE)
-		writeb(cmd, this->IO_ADDR_W);
-}
-
-
-static u_char pdnb3_nand_read_byte(struct mtd_info *mtd)
-{
-	return readb(&(pdnb3_ndfc->data));
-}
-
-static void pdnb3_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++) {
-		if (hwctl & 0x1)
-			writeb(buf[i], &(pdnb3_ndfc->cmd));
-		else if (hwctl & 0x2)
-			writeb(buf[i], &(pdnb3_ndfc->addr));
-		else
-			writeb(buf[i], &(pdnb3_ndfc->data));
-	}
-}
-
-static void pdnb3_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++)
-		buf[i] = readb(&(pdnb3_ndfc->data));
-}
-
-static int pdnb3_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++)
-		if (buf[i] != readb(&(pdnb3_ndfc->data)))
-			return i;
-
-	return 0;
-}
-
-static int pdnb3_nand_dev_ready(struct mtd_info *mtd)
-{
-	/*
-	 * Blocking read to wait for NAND to be ready
-	 */
-	readb(&(pdnb3_ndfc->wait));
-
-	/*
-	 * Return always true
-	 */
-	return 1;
-}
-
-int board_nand_init(struct nand_chip *nand)
-{
-	pdnb3_ndfc = (struct pdnb3_ndfc_regs *)CONFIG_SYS_NAND_BASE;
-
-	nand->ecc.mode = NAND_ECC_SOFT;
-
-	/* Set address of NAND IO lines (Using Linear Data Access Region) */
-	nand->IO_ADDR_R = (void __iomem *) ((ulong) pdnb3_ndfc + 0x4);
-	nand->IO_ADDR_W = (void __iomem *) ((ulong) pdnb3_ndfc + 0x4);
-	/* Reference hardware control function */
-	nand->cmd_ctrl   = pdnb3_nand_hwcontrol;
-	nand->read_byte  = pdnb3_nand_read_byte;
-	nand->write_buf  = pdnb3_nand_write_buf;
-	nand->read_buf   = pdnb3_nand_read_buf;
-	nand->verify_buf = pdnb3_nand_verify_buf;
-	nand->dev_ready  = pdnb3_nand_dev_ready;
-	return 0;
-}
-#endif