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Diffstat (limited to 'board/sc3/sc3nand.c')
-rw-r--r--board/sc3/sc3nand.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/board/sc3/sc3nand.c b/board/sc3/sc3nand.c
deleted file mode 100644
index a26cd79..0000000
--- a/board/sc3/sc3nand.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * (C) Copyright 2007
- * Heiko Schocher, DENX Software Engineering, hs@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-
-#if defined(CONFIG_CMD_NAND)
-
-#include <nand.h>
-#include <asm/processor.h>
-
-#define readb(addr) *(volatile u_char *)(addr)
-#define readl(addr) *(volatile u_long *)(addr)
-#define writeb(d,addr) *(volatile u_char *)(addr) = (d)
-
-#define SC3_NAND_ALE 29 /* GPIO PIN 3 */
-#define SC3_NAND_CLE 30 /* GPIO PIN 2 */
-#define SC3_NAND_CE 27 /* GPIO PIN 5 */
-
-static void *sc3_io_base;
-static void *sc3_control_base = (void *)0xEF600700;
-
-static void sc3_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 )
- set_bit (SC3_NAND_CLE, sc3_control_base);
- else
- clear_bit (SC3_NAND_CLE, sc3_control_base);
- if ( ctrl & NAND_ALE )
- set_bit (SC3_NAND_ALE, sc3_control_base);
- else
- clear_bit (SC3_NAND_ALE, sc3_control_base);
- if ( ctrl & NAND_NCE )
- set_bit (SC3_NAND_CE, sc3_control_base);
- else
- clear_bit (SC3_NAND_CE, sc3_control_base);
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, this->IO_ADDR_W);
-}
-
-static int sc3_nand_dev_ready(struct mtd_info *mtd)
-{
- if (!(readl(sc3_control_base + 0x1C) & 0x4000))
- return 0;
- return 1;
-}
-
-static void sc3_select_chip(struct mtd_info *mtd, int chip)
-{
- clear_bit (SC3_NAND_CE, sc3_control_base);
-}
-
-int board_nand_init(struct nand_chip *nand)
-{
- nand->ecc.mode = NAND_ECC_SOFT;
-
- sc3_io_base = (void *) CONFIG_SYS_NAND_BASE;
- /* Set address of NAND IO lines (Using Linear Data Access Region) */
- nand->IO_ADDR_R = (void __iomem *) sc3_io_base;
- nand->IO_ADDR_W = (void __iomem *) sc3_io_base;
- /* Reference hardware control function */
- nand->cmd_ctrl = sc3_nand_hwcontrol;
- nand->dev_ready = sc3_nand_dev_ready;
- nand->select_chip = sc3_select_chip;
- return 0;
-}
-#endif