From: Vipin KUMAR <vipin.kumar at st.com>
Since, SPEAr platform uses generic FSMC driver now, so spear specific files
drivers/mtd/nand/spr_nand.c, arch/arm/include/asm/arch-spear/spr_nand.h are
removed
Signed-off-by: Vipin Kumar <vipin.kumar at st.com>
Signed-off-by: Amit Virdi <amit.virdi at st.com>
---
arch/arm/include/asm/arch-spear/spr_nand.h | 57 -------------
drivers/mtd/nand/spr_nand.c | 124 ----------------------------
2 files changed, 0 insertions(+), 181 deletions(-)
delete mode 100644 arch/arm/include/asm/arch-spear/spr_nand.h
delete mode 100644 drivers/mtd/nand/spr_nand.c
diff --git a/arch/arm/include/asm/arch-spear/spr_nand.h b/arch/arm/include/asm/arch-spear/spr_nand.h
deleted file mode 100644
index 2b63dc7..0000000
--- a/arch/arm/include/asm/arch-spear/spr_nand.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * (C) Copyright 2009
- * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#ifndef __SPR_NAND_H__
-#define __SPR_NAND_H__
-
-struct fsmc_regs {
- u32 reserved_1[0x10];
- u32 genmemctrl_pc;
- u32 reserved_2;
- u32 genmemctrl_comm;
- u32 genmemctrl_attrib;
- u32 reserved_3;
- u32 genmemctrl_ecc;
-};
-
-/* genmemctrl_pc register definitions */
-#define FSMC_RESET (1 << 0)
-#define FSMC_WAITON (1 << 1)
-#define FSMC_ENABLE (1 << 2)
-#define FSMC_DEVTYPE_NAND (1 << 3)
-#define FSMC_DEVWID_8 (0 << 4)
-#define FSMC_DEVWID_16 (1 << 4)
-#define FSMC_ECCEN (1 << 6)
-#define FSMC_ECCPLEN_512 (0 << 7)
-#define FSMC_ECCPLEN_256 (1 << 7)
-#define FSMC_TCLR_1 (1 << 9)
-#define FSMC_TAR_1 (1 << 13)
-
-/* genmemctrl_comm register definitions */
-#define FSMC_TSET_0 (0 << 0)
-#define FSMC_TWAIT_6 (6 << 8)
-#define FSMC_THOLD_4 (4 << 16)
-#define FSMC_THIZ_1 (1 << 24)
-
-extern int spear_nand_init(struct nand_chip *nand);
-#endif
diff --git a/drivers/mtd/nand/spr_nand.c b/drivers/mtd/nand/spr_nand.c
deleted file mode 100644
index 097d0c6..0000000
--- a/drivers/mtd/nand/spr_nand.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * (C) Copyright 2009
- * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#include <common.h>
-#include <nand.h>
-#include <linux/mtd/nand_ecc.h>
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/spr_nand.h>
-
-static struct fsmc_regs *const fsmc_regs_p =
- (struct fsmc_regs *)CONFIG_SPEAR_FSMCBASE;
-
-static struct nand_ecclayout spear_nand_ecclayout = {
- .eccbytes = 24,
- .eccpos = {2, 3, 4, 18, 19, 20, 34, 35, 36, 50, 51, 52,
- 66, 67, 68, 82, 83, 84, 98, 99, 100, 114, 115, 116},
- .oobfree = {
- {.offset = 8, .length = 8},
- {.offset = 24, .length = 8},
- {.offset = 40, .length = 8},
- {.offset = 56, .length = 8},
- {.offset = 72, .length = 8},
- {.offset = 88, .length = 8},
- {.offset = 104, .length = 8},
- {.offset = 120, .length = 8}
- }
-};
-
-static void spear_nand_hwcontrol(struct mtd_info *mtd, int cmd, uint ctrl)
-{
- struct nand_chip *this = mtd->priv;
- ulong IO_ADDR_W;
-
- if (ctrl & NAND_CTRL_CHANGE) {
- IO_ADDR_W = (ulong)this->IO_ADDR_W;
-
- IO_ADDR_W &= ~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE);
- if (ctrl & NAND_CLE)
- IO_ADDR_W |= CONFIG_SYS_NAND_CLE;
- if (ctrl & NAND_ALE)
- IO_ADDR_W |= CONFIG_SYS_NAND_ALE;
-
- if (ctrl & NAND_NCE) {
- writel(readl(&fsmc_regs_p->genmemctrl_pc) |
- FSMC_ENABLE, &fsmc_regs_p->genmemctrl_pc);
- } else {
- writel(readl(&fsmc_regs_p->genmemctrl_pc) &
- ~FSMC_ENABLE, &fsmc_regs_p->genmemctrl_pc);
- }
- this->IO_ADDR_W = (void *)IO_ADDR_W;
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, this->IO_ADDR_W);
-}
-
-static int spear_read_hwecc(struct mtd_info *mtd,
- const u_char *data, u_char ecc[3])
-{
- u_int ecc_tmp;
-
- /* read the h/w ECC */
- ecc_tmp = readl(&fsmc_regs_p->genmemctrl_ecc);
-
- ecc[0] = (u_char) (ecc_tmp & 0xFF);
- ecc[1] = (u_char) ((ecc_tmp & 0xFF00) >> 8);
- ecc[2] = (u_char) ((ecc_tmp & 0xFF0000) >> 16);
-
- return 0;
-}
-
-void spear_enable_hwecc(struct mtd_info *mtd, int mode)
-{
- writel(readl(&fsmc_regs_p->genmemctrl_pc) & ~0x80,
- &fsmc_regs_p->genmemctrl_pc);
- writel(readl(&fsmc_regs_p->genmemctrl_pc) & ~FSMC_ECCEN,
- &fsmc_regs_p->genmemctrl_pc);
- writel(readl(&fsmc_regs_p->genmemctrl_pc) | FSMC_ECCEN,
- &fsmc_regs_p->genmemctrl_pc);
-}
-
-int spear_nand_init(struct nand_chip *nand)
-{
- writel(FSMC_DEVWID_8 | FSMC_DEVTYPE_NAND | FSMC_ENABLE | FSMC_WAITON,
- &fsmc_regs_p->genmemctrl_pc);
- writel(readl(&fsmc_regs_p->genmemctrl_pc) | FSMC_TCLR_1 | FSMC_TAR_1,
- &fsmc_regs_p->genmemctrl_pc);
- writel(FSMC_THIZ_1 | FSMC_THOLD_4 | FSMC_TWAIT_6 | FSMC_TSET_0,
- &fsmc_regs_p->genmemctrl_comm);
- writel(FSMC_THIZ_1 | FSMC_THOLD_4 | FSMC_TWAIT_6 | FSMC_TSET_0,
- &fsmc_regs_p->genmemctrl_attrib);
-
- nand->options = 0;
- nand->ecc.mode = NAND_ECC_HW;
- nand->ecc.layout = &spear_nand_ecclayout;
- nand->ecc.size = 512;
- nand->ecc.bytes = 3;
- nand->ecc.calculate = spear_read_hwecc;
- nand->ecc.hwctl = spear_enable_hwecc;
- nand->ecc.correct = nand_correct_data;
- nand->cmd_ctrl = spear_nand_hwcontrol;
- return 0;
-}
--
1.7.2.2