nand/ppc4xx: Move PPC4xx NAND driver to common NAND driver directory
authorStefan Roese <sr@denx.de>
Thu, 16 Jul 2009 13:12:48 +0000 (15:12 +0200)
committerScott Wood <scottwood@freescale.com>
Thu, 16 Jul 2009 22:52:02 +0000 (17:52 -0500)
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
cpu/ppc4xx/Makefile
cpu/ppc4xx/ndfc.c [deleted file]
drivers/mtd/nand/Makefile
drivers/mtd/nand/ndfc.c [new file with mode: 0644]
nand_spl/board/amcc/acadia/Makefile
nand_spl/board/amcc/bamboo/Makefile
nand_spl/board/amcc/canyonlands/Makefile
nand_spl/board/amcc/kilauea/Makefile
nand_spl/board/amcc/sequoia/Makefile

index 96ab5c6a42a50de5492c25f92b11ad764194cb67..6f52dfd14f59fa8e7aecf865c21cd43466e09b95 100644 (file)
@@ -51,7 +51,6 @@ COBJS += fdt.o
 COBJS  += i2c.o
 COBJS  += interrupts.o
 COBJS  += iop480_uart.o
-COBJS  += ndfc.o
 COBJS  += sdram.o
 COBJS  += speed.o
 COBJS  += tlb.o
diff --git a/cpu/ppc4xx/ndfc.c b/cpu/ppc4xx/ndfc.c
deleted file mode 100644 (file)
index 971e2ae..0000000
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Overview:
- *   Platform independend driver for NDFC (NanD Flash Controller)
- *   integrated into IBM/AMCC PPC4xx cores
- *
- * (C) Copyright 2006-2009
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * Based on original work by
- *     Thomas Gleixner
- *     Copyright 2006 IBM
- *
- * 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>
-
-#if defined(CONFIG_CMD_NAND) && !defined(CONFIG_NAND_LEGACY) && \
-    defined(CONFIG_NAND_NDFC)
-
-#include <nand.h>
-#include <linux/mtd/ndfc.h>
-#include <linux/mtd/nand_ecc.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <ppc4xx.h>
-
-/*
- * We need to store the info, which chip-select (CS) is used for the
- * chip number. For example on Sequoia NAND chip #0 uses
- * CS #3.
- */
-static int ndfc_cs[NDFC_MAX_BANKS];
-
-static void ndfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
-       struct nand_chip *this = mtd->priv;
-       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
-
-       if (cmd == NAND_CMD_NONE)
-               return;
-
-       if (ctrl & NAND_CLE)
-               out_8((u8 *)(base + NDFC_CMD), cmd & 0xFF);
-       else
-               out_8((u8 *)(base + NDFC_ALE), cmd & 0xFF);
-}
-
-static int ndfc_dev_ready(struct mtd_info *mtdinfo)
-{
-       struct nand_chip *this = mtdinfo->priv;
-       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
-
-       return (in_be32((u32 *)(base + NDFC_STAT)) & NDFC_STAT_IS_READY);
-}
-
-static void ndfc_enable_hwecc(struct mtd_info *mtdinfo, int mode)
-{
-       struct nand_chip *this = mtdinfo->priv;
-       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
-       u32 ccr;
-
-       ccr = in_be32((u32 *)(base + NDFC_CCR));
-       ccr |= NDFC_CCR_RESET_ECC;
-       out_be32((u32 *)(base + NDFC_CCR), ccr);
-}
-
-static int ndfc_calculate_ecc(struct mtd_info *mtdinfo,
-                             const u_char *dat, u_char *ecc_code)
-{
-       struct nand_chip *this = mtdinfo->priv;
-       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
-       u32 ecc;
-       u8 *p = (u8 *)&ecc;
-
-       ecc = in_be32((u32 *)(base + NDFC_ECC));
-
-       /* The NDFC uses Smart Media (SMC) bytes order
-        */
-       ecc_code[0] = p[2];
-       ecc_code[1] = p[1];
-       ecc_code[2] = p[3];
-
-       return 0;
-}
-
-/*
- * Speedups for buffer read/write/verify
- *
- * NDFC allows 32bit read/write of data. So we can speed up the buffer
- * functions. No further checking, as nand_base will always read/write
- * page aligned.
- */
-static void ndfc_read_buf(struct mtd_info *mtdinfo, uint8_t *buf, int len)
-{
-       struct nand_chip *this = mtdinfo->priv;
-       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
-       uint32_t *p = (uint32_t *) buf;
-
-       for (;len > 0; len -= 4)
-               *p++ = in_be32((u32 *)(base + NDFC_DATA));
-}
-
-#ifndef CONFIG_NAND_SPL
-/*
- * Don't use these speedup functions in NAND boot image, since the image
- * has to fit into 4kByte.
- */
-static void ndfc_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
-{
-       struct nand_chip *this = mtdinfo->priv;
-       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
-       uint32_t *p = (uint32_t *) buf;
-
-       for (; len > 0; len -= 4)
-               out_be32((u32 *)(base + NDFC_DATA), *p++);
-}
-
-static int ndfc_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
-{
-       struct nand_chip *this = mtdinfo->priv;
-       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
-       uint32_t *p = (uint32_t *) buf;
-
-       for (; len > 0; len -= 4)
-               if (*p++ != in_be32((u32 *)(base + NDFC_DATA)))
-                       return -1;
-
-       return 0;
-}
-#endif /* #ifndef CONFIG_NAND_SPL */
-
-#ifndef CONFIG_SYS_NAND_BCR
-#define CONFIG_SYS_NAND_BCR 0x80002222
-#endif
-
-void board_nand_select_device(struct nand_chip *nand, int chip)
-{
-       /*
-        * Don't use "chip" to address the NAND device,
-        * generate the cs from the address where it is encoded.
-        */
-       ulong base = (ulong)nand->IO_ADDR_W & 0xffffff00;
-       int cs = ndfc_cs[chip];
-
-       /* Set NandFlash Core Configuration Register */
-       /* 1 col x 2 rows */
-       out_be32((u32 *)(base + NDFC_CCR), 0x00000000 | (cs << 24));
-       out_be32((u32 *)(base + NDFC_BCFG0 + (cs << 2)), CONFIG_SYS_NAND_BCR);
-}
-
-static void ndfc_select_chip(struct mtd_info *mtd, int chip)
-{
-       /*
-        * Nothing to do here!
-        */
-}
-
-int board_nand_init(struct nand_chip *nand)
-{
-       int cs = (ulong)nand->IO_ADDR_W & 0x00000003;
-       ulong base = (ulong)nand->IO_ADDR_W & 0xffffff00;
-       static int chip = 0;
-
-       /*
-        * Save chip-select for this chip #
-        */
-       ndfc_cs[chip] = cs;
-
-       /*
-        * Select required NAND chip in NDFC
-        */
-       board_nand_select_device(nand, chip);
-
-       nand->IO_ADDR_R = (void __iomem *)(base + NDFC_DATA);
-       nand->IO_ADDR_W = (void __iomem *)(base + NDFC_DATA);
-       nand->cmd_ctrl = ndfc_hwcontrol;
-       nand->chip_delay = 50;
-       nand->read_buf = ndfc_read_buf;
-       nand->dev_ready = ndfc_dev_ready;
-       nand->ecc.correct = nand_correct_data;
-       nand->ecc.hwctl = ndfc_enable_hwecc;
-       nand->ecc.calculate = ndfc_calculate_ecc;
-       nand->ecc.mode = NAND_ECC_HW;
-       nand->ecc.size = 256;
-       nand->ecc.bytes = 3;
-       nand->select_chip = ndfc_select_chip;
-
-#ifndef CONFIG_NAND_SPL
-       nand->write_buf  = ndfc_write_buf;
-       nand->verify_buf = ndfc_verify_buf;
-#else
-       /*
-        * Setup EBC (CS0 only right now)
-        */
-       mtebc(EBC0_CFG, 0xb8400000);
-
-       mtebc(pb0cr, CONFIG_SYS_EBC_PB0CR);
-       mtebc(pb0ap, CONFIG_SYS_EBC_PB0AP);
-#endif
-
-       chip++;
-
-       return 0;
-}
-
-#endif
index a5680e80ee55256378ad5410ade4ddc83ca9a49a..945a95445702e7668b9be9714dc5f2d81ecd6209 100644 (file)
@@ -42,6 +42,7 @@ COBJS-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_nand.o
 COBJS-$(CONFIG_NAND_FSL_UPM) += fsl_upm.o
 COBJS-$(CONFIG_NAND_KIRKWOOD) += kirkwood_nand.o
 COBJS-$(CONFIG_NAND_MPC5121_NFC) += mpc5121_nfc.o
+COBJS-$(CONFIG_NAND_NDFC) += ndfc.o
 COBJS-$(CONFIG_NAND_NOMADIK) += nomadik.o
 COBJS-$(CONFIG_NAND_S3C2410) += s3c2410_nand.o
 COBJS-$(CONFIG_NAND_S3C64XX) += s3c64xx.o
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
new file mode 100644 (file)
index 0000000..971e2ae
--- /dev/null
@@ -0,0 +1,223 @@
+/*
+ * Overview:
+ *   Platform independend driver for NDFC (NanD Flash Controller)
+ *   integrated into IBM/AMCC PPC4xx cores
+ *
+ * (C) Copyright 2006-2009
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * Based on original work by
+ *     Thomas Gleixner
+ *     Copyright 2006 IBM
+ *
+ * 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>
+
+#if defined(CONFIG_CMD_NAND) && !defined(CONFIG_NAND_LEGACY) && \
+    defined(CONFIG_NAND_NDFC)
+
+#include <nand.h>
+#include <linux/mtd/ndfc.h>
+#include <linux/mtd/nand_ecc.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <ppc4xx.h>
+
+/*
+ * We need to store the info, which chip-select (CS) is used for the
+ * chip number. For example on Sequoia NAND chip #0 uses
+ * CS #3.
+ */
+static int ndfc_cs[NDFC_MAX_BANKS];
+
+static void ndfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+       struct nand_chip *this = mtd->priv;
+       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
+
+       if (cmd == NAND_CMD_NONE)
+               return;
+
+       if (ctrl & NAND_CLE)
+               out_8((u8 *)(base + NDFC_CMD), cmd & 0xFF);
+       else
+               out_8((u8 *)(base + NDFC_ALE), cmd & 0xFF);
+}
+
+static int ndfc_dev_ready(struct mtd_info *mtdinfo)
+{
+       struct nand_chip *this = mtdinfo->priv;
+       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
+
+       return (in_be32((u32 *)(base + NDFC_STAT)) & NDFC_STAT_IS_READY);
+}
+
+static void ndfc_enable_hwecc(struct mtd_info *mtdinfo, int mode)
+{
+       struct nand_chip *this = mtdinfo->priv;
+       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
+       u32 ccr;
+
+       ccr = in_be32((u32 *)(base + NDFC_CCR));
+       ccr |= NDFC_CCR_RESET_ECC;
+       out_be32((u32 *)(base + NDFC_CCR), ccr);
+}
+
+static int ndfc_calculate_ecc(struct mtd_info *mtdinfo,
+                             const u_char *dat, u_char *ecc_code)
+{
+       struct nand_chip *this = mtdinfo->priv;
+       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
+       u32 ecc;
+       u8 *p = (u8 *)&ecc;
+
+       ecc = in_be32((u32 *)(base + NDFC_ECC));
+
+       /* The NDFC uses Smart Media (SMC) bytes order
+        */
+       ecc_code[0] = p[2];
+       ecc_code[1] = p[1];
+       ecc_code[2] = p[3];
+
+       return 0;
+}
+
+/*
+ * Speedups for buffer read/write/verify
+ *
+ * NDFC allows 32bit read/write of data. So we can speed up the buffer
+ * functions. No further checking, as nand_base will always read/write
+ * page aligned.
+ */
+static void ndfc_read_buf(struct mtd_info *mtdinfo, uint8_t *buf, int len)
+{
+       struct nand_chip *this = mtdinfo->priv;
+       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
+       uint32_t *p = (uint32_t *) buf;
+
+       for (;len > 0; len -= 4)
+               *p++ = in_be32((u32 *)(base + NDFC_DATA));
+}
+
+#ifndef CONFIG_NAND_SPL
+/*
+ * Don't use these speedup functions in NAND boot image, since the image
+ * has to fit into 4kByte.
+ */
+static void ndfc_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
+{
+       struct nand_chip *this = mtdinfo->priv;
+       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
+       uint32_t *p = (uint32_t *) buf;
+
+       for (; len > 0; len -= 4)
+               out_be32((u32 *)(base + NDFC_DATA), *p++);
+}
+
+static int ndfc_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
+{
+       struct nand_chip *this = mtdinfo->priv;
+       ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
+       uint32_t *p = (uint32_t *) buf;
+
+       for (; len > 0; len -= 4)
+               if (*p++ != in_be32((u32 *)(base + NDFC_DATA)))
+                       return -1;
+
+       return 0;
+}
+#endif /* #ifndef CONFIG_NAND_SPL */
+
+#ifndef CONFIG_SYS_NAND_BCR
+#define CONFIG_SYS_NAND_BCR 0x80002222
+#endif
+
+void board_nand_select_device(struct nand_chip *nand, int chip)
+{
+       /*
+        * Don't use "chip" to address the NAND device,
+        * generate the cs from the address where it is encoded.
+        */
+       ulong base = (ulong)nand->IO_ADDR_W & 0xffffff00;
+       int cs = ndfc_cs[chip];
+
+       /* Set NandFlash Core Configuration Register */
+       /* 1 col x 2 rows */
+       out_be32((u32 *)(base + NDFC_CCR), 0x00000000 | (cs << 24));
+       out_be32((u32 *)(base + NDFC_BCFG0 + (cs << 2)), CONFIG_SYS_NAND_BCR);
+}
+
+static void ndfc_select_chip(struct mtd_info *mtd, int chip)
+{
+       /*
+        * Nothing to do here!
+        */
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+       int cs = (ulong)nand->IO_ADDR_W & 0x00000003;
+       ulong base = (ulong)nand->IO_ADDR_W & 0xffffff00;
+       static int chip = 0;
+
+       /*
+        * Save chip-select for this chip #
+        */
+       ndfc_cs[chip] = cs;
+
+       /*
+        * Select required NAND chip in NDFC
+        */
+       board_nand_select_device(nand, chip);
+
+       nand->IO_ADDR_R = (void __iomem *)(base + NDFC_DATA);
+       nand->IO_ADDR_W = (void __iomem *)(base + NDFC_DATA);
+       nand->cmd_ctrl = ndfc_hwcontrol;
+       nand->chip_delay = 50;
+       nand->read_buf = ndfc_read_buf;
+       nand->dev_ready = ndfc_dev_ready;
+       nand->ecc.correct = nand_correct_data;
+       nand->ecc.hwctl = ndfc_enable_hwecc;
+       nand->ecc.calculate = ndfc_calculate_ecc;
+       nand->ecc.mode = NAND_ECC_HW;
+       nand->ecc.size = 256;
+       nand->ecc.bytes = 3;
+       nand->select_chip = ndfc_select_chip;
+
+#ifndef CONFIG_NAND_SPL
+       nand->write_buf  = ndfc_write_buf;
+       nand->verify_buf = ndfc_verify_buf;
+#else
+       /*
+        * Setup EBC (CS0 only right now)
+        */
+       mtebc(EBC0_CFG, 0xb8400000);
+
+       mtebc(pb0cr, CONFIG_SYS_EBC_PB0CR);
+       mtebc(pb0ap, CONFIG_SYS_EBC_PB0AP);
+#endif
+
+       chip++;
+
+       return 0;
+}
+
+#endif
index 931f04b29ad39ba99abb7f39bb3e61e891f8949b..822f82f2b23789b953c58fca8a51960411525ea3 100644 (file)
@@ -73,7 +73,7 @@ $(obj)gpio.c:
 
 $(obj)ndfc.c:
        @rm -f $(obj)ndfc.c
-       ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
+       ln -s $(SRCTREE)/drivers/mtd/nand/ndfc.c $(obj)ndfc.c
 
 $(obj)resetvec.S:
        @rm -f $(obj)resetvec.S
index e1c146750b721a85e4968890f2778f68bca355a2..293292732fc9999acc9a99c095c0d77db9a1ddc9 100644 (file)
@@ -59,7 +59,7 @@ $(nandobj)u-boot-spl: $(OBJS)
 # from cpu directory
 $(obj)ndfc.c:
        @rm -f $(obj)ndfc.c
-       ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
+       ln -s $(SRCTREE)/drivers/mtd/nand/ndfc.c $(obj)ndfc.c
 
 $(obj)resetvec.S:
        @rm -f $(obj)resetvec.S
index fb86752002d0bea98442ce60e67eec09e27df317..84b14548eea28826fb4a19e51be4b324ae69f5a0 100644 (file)
@@ -64,7 +64,7 @@ $(nandobj)u-boot-spl: $(OBJS)
 # from cpu directory
 $(obj)ndfc.c:
        @rm -f $(obj)ndfc.c
-       ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
+       ln -s $(SRCTREE)/drivers/mtd/nand/ndfc.c $(obj)ndfc.c
 
 $(obj)resetvec.S:
        @rm -f $(obj)resetvec.S
index cedc8e02e6e8847cde7a1889a7deeb2d23e0bae5..8a062fe4cd9d45b805b5973e2647c8c5e0da37b3 100644 (file)
@@ -71,7 +71,7 @@ $(obj)ecc.h:
 
 $(obj)ndfc.c:
        @rm -f $(obj)ndfc.c
-       ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
+       ln -s $(SRCTREE)/drivers/mtd/nand/ndfc.c $(obj)ndfc.c
 
 $(obj)resetvec.S:
        @rm -f $(obj)resetvec.S
index fba0322a727307fa79e7779fe2ff498c40c1d84d..462005f4b27bd9190482af21b18fe00c642fc114 100644 (file)
@@ -63,7 +63,7 @@ $(obj)denali_data_eye.c:
 
 $(obj)ndfc.c:
        @rm -f $(obj)ndfc.c
-       ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
+       ln -s $(SRCTREE)/drivers/mtd/nand/ndfc.c $(obj)ndfc.c
 
 $(obj)resetvec.S:
        @rm -f $(obj)resetvec.S