]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - drivers/mtd/nand/fsl_ifc_nand.c
Merge branch 'master' of git://git.denx.de/u-boot-arc
[karo-tx-uboot.git] / drivers / mtd / nand / fsl_ifc_nand.c
index 49cfb335690f3f76fd0904e8879439eaaef0d891..2f04c698d3b850142218c31989715e97d8b6b746 100644 (file)
@@ -4,19 +4,7 @@
  *
  * Authors: Dipen Dudhat <Dipen.Dudhat@freescale.com>
  *
- * 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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 
 #include <asm/io.h>
 #include <asm/errno.h>
-#include <asm/fsl_ifc.h>
+#include <fsl_ifc.h>
 
-#define FSL_IFC_V1_1_0 0x01010000
-#define MAX_BANKS      4
+#ifndef CONFIG_SYS_FSL_IFC_BANK_COUNT
+#define CONFIG_SYS_FSL_IFC_BANK_COUNT  4
+#endif
+
+#define MAX_BANKS      CONFIG_SYS_FSL_IFC_BANK_COUNT
 #define ERR_BYTE       0xFF /* Value returned for read bytes
                                when read failed */
 #define IFC_TIMEOUT_MSECS 10 /* Maximum number of mSecs to wait for IFC
@@ -137,6 +128,69 @@ static struct nand_ecclayout oob_4096_ecc8 = {
        .oobfree = { {2, 6}, {136, 82} },
 };
 
+/* 8192-byte page size with 4-bit ECC */
+static struct nand_ecclayout oob_8192_ecc4 = {
+       .eccbytes = 128,
+       .eccpos = {
+               8, 9, 10, 11, 12, 13, 14, 15,
+               16, 17, 18, 19, 20, 21, 22, 23,
+               24, 25, 26, 27, 28, 29, 30, 31,
+               32, 33, 34, 35, 36, 37, 38, 39,
+               40, 41, 42, 43, 44, 45, 46, 47,
+               48, 49, 50, 51, 52, 53, 54, 55,
+               56, 57, 58, 59, 60, 61, 62, 63,
+               64, 65, 66, 67, 68, 69, 70, 71,
+               72, 73, 74, 75, 76, 77, 78, 79,
+               80, 81, 82, 83, 84, 85, 86, 87,
+               88, 89, 90, 91, 92, 93, 94, 95,
+               96, 97, 98, 99, 100, 101, 102, 103,
+               104, 105, 106, 107, 108, 109, 110, 111,
+               112, 113, 114, 115, 116, 117, 118, 119,
+               120, 121, 122, 123, 124, 125, 126, 127,
+               128, 129, 130, 131, 132, 133, 134, 135,
+       },
+       .oobfree = { {2, 6}, {136, 208} },
+};
+
+/* 8192-byte page size with 8-bit ECC -- requires 218-byte OOB */
+static struct nand_ecclayout oob_8192_ecc8 = {
+       .eccbytes = 256,
+       .eccpos = {
+               8, 9, 10, 11, 12, 13, 14, 15,
+               16, 17, 18, 19, 20, 21, 22, 23,
+               24, 25, 26, 27, 28, 29, 30, 31,
+               32, 33, 34, 35, 36, 37, 38, 39,
+               40, 41, 42, 43, 44, 45, 46, 47,
+               48, 49, 50, 51, 52, 53, 54, 55,
+               56, 57, 58, 59, 60, 61, 62, 63,
+               64, 65, 66, 67, 68, 69, 70, 71,
+               72, 73, 74, 75, 76, 77, 78, 79,
+               80, 81, 82, 83, 84, 85, 86, 87,
+               88, 89, 90, 91, 92, 93, 94, 95,
+               96, 97, 98, 99, 100, 101, 102, 103,
+               104, 105, 106, 107, 108, 109, 110, 111,
+               112, 113, 114, 115, 116, 117, 118, 119,
+               120, 121, 122, 123, 124, 125, 126, 127,
+               128, 129, 130, 131, 132, 133, 134, 135,
+               136, 137, 138, 139, 140, 141, 142, 143,
+               144, 145, 146, 147, 148, 149, 150, 151,
+               152, 153, 154, 155, 156, 157, 158, 159,
+               160, 161, 162, 163, 164, 165, 166, 167,
+               168, 169, 170, 171, 172, 173, 174, 175,
+               176, 177, 178, 179, 180, 181, 182, 183,
+               184, 185, 186, 187, 188, 189, 190, 191,
+               192, 193, 194, 195, 196, 197, 198, 199,
+               200, 201, 202, 203, 204, 205, 206, 207,
+               208, 209, 210, 211, 212, 213, 214, 215,
+               216, 217, 218, 219, 220, 221, 222, 223,
+               224, 225, 226, 227, 228, 229, 230, 231,
+               232, 233, 234, 235, 236, 237, 238, 239,
+               240, 241, 242, 243, 244, 245, 246, 247,
+               248, 249, 250, 251, 252, 253, 254, 255,
+               256, 257, 258, 259, 260, 261, 262, 263,
+       },
+       .oobfree = { {2, 6}, {264, 80} },
+};
 
 /*
  * Generic flash bbt descriptors
@@ -179,8 +233,8 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob)
        ctrl->page = page_addr;
 
        /* Program ROW0/COL0 */
-       out_be32(&ifc->ifc_nand.row0, page_addr);
-       out_be32(&ifc->ifc_nand.col0, (oob ? IFC_NAND_COL_MS : 0) | column);
+       ifc_out32(&ifc->ifc_nand.row0, page_addr);
+       ifc_out32(&ifc->ifc_nand.col0, (oob ? IFC_NAND_COL_MS : 0) | column);
 
        buf_num = page_addr & priv->bufnum_mask;
 
@@ -243,23 +297,23 @@ static int fsl_ifc_run_command(struct mtd_info *mtd)
        int i;
 
        /* set the chip select for NAND Transaction */
-       out_be32(&ifc->ifc_nand.nand_csel, ifc_ctrl->cs_nand);
+       ifc_out32(&ifc->ifc_nand.nand_csel, ifc_ctrl->cs_nand);
 
        /* start read/write seq */
-       out_be32(&ifc->ifc_nand.nandseq_strt,
-                IFC_NAND_SEQ_STRT_FIR_STRT);
+       ifc_out32(&ifc->ifc_nand.nandseq_strt,
+                 IFC_NAND_SEQ_STRT_FIR_STRT);
 
        /* wait for NAND Machine complete flag or timeout */
        end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks();
 
        while (end_tick > get_ticks()) {
-               ctrl->status = in_be32(&ifc->ifc_nand.nand_evter_stat);
+               ctrl->status = ifc_in32(&ifc->ifc_nand.nand_evter_stat);
 
                if (ctrl->status & IFC_NAND_EVTER_STAT_OPC)
                        break;
        }
 
-       out_be32(&ifc->ifc_nand.nand_evter_stat, ctrl->status);
+       ifc_out32(&ifc->ifc_nand.nand_evter_stat, ctrl->status);
 
        if (ctrl->status & IFC_NAND_EVTER_STAT_FTOER)
                printf("%s: Flash Time Out Error\n", __func__);
@@ -273,7 +327,7 @@ static int fsl_ifc_run_command(struct mtd_info *mtd)
                int sector_end = sector + chip->ecc.steps - 1;
 
                for (i = sector / 4; i <= sector_end / 4; i++)
-                       eccstat[i] = in_be32(&ifc->ifc_nand.nand_eccstat[i]);
+                       eccstat[i] = ifc_in32(&ifc->ifc_nand.nand_eccstat[i]);
 
                for (i = sector; i <= sector_end; i++) {
                        errors = check_read_ecc(mtd, ctrl, eccstat, i);
@@ -313,30 +367,30 @@ static void fsl_ifc_do_read(struct nand_chip *chip,
 
        /* Program FIR/IFC_NAND_FCR0 for Small/Large page */
        if (mtd->writesize > 512) {
-               out_be32(&ifc->ifc_nand.nand_fir0,
-                        (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                        (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
-                        (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP2_SHIFT) |
-                        (IFC_FIR_OP_CMD1 << IFC_NAND_FIR0_OP3_SHIFT) |
-                        (IFC_FIR_OP_RBCD << IFC_NAND_FIR0_OP4_SHIFT));
-               out_be32(&ifc->ifc_nand.nand_fir1, 0x0);
-
-               out_be32(&ifc->ifc_nand.nand_fcr0,
-                       (NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT) |
-                       (NAND_CMD_READSTART << IFC_NAND_FCR0_CMD1_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fir0,
+                         (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                         (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
+                         (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP2_SHIFT) |
+                         (IFC_FIR_OP_CMD1 << IFC_NAND_FIR0_OP3_SHIFT) |
+                         (IFC_FIR_OP_RBCD << IFC_NAND_FIR0_OP4_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fir1, 0x0);
+
+               ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                         (NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT) |
+                         (NAND_CMD_READSTART << IFC_NAND_FCR0_CMD1_SHIFT));
        } else {
-               out_be32(&ifc->ifc_nand.nand_fir0,
-                        (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                        (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
-                        (IFC_FIR_OP_RA0  << IFC_NAND_FIR0_OP2_SHIFT) |
-                        (IFC_FIR_OP_RBCD << IFC_NAND_FIR0_OP3_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fir0,
+                         (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                         (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
+                         (IFC_FIR_OP_RA0  << IFC_NAND_FIR0_OP2_SHIFT) |
+                         (IFC_FIR_OP_RBCD << IFC_NAND_FIR0_OP3_SHIFT));
 
                if (oob)
-                       out_be32(&ifc->ifc_nand.nand_fcr0,
-                                NAND_CMD_READOOB << IFC_NAND_FCR0_CMD0_SHIFT);
+                       ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                                 NAND_CMD_READOOB << IFC_NAND_FCR0_CMD0_SHIFT);
                else
-                       out_be32(&ifc->ifc_nand.nand_fcr0,
-                               NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT);
+                       ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                                 NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT);
        }
 }
 
@@ -357,7 +411,7 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
        switch (command) {
        /* READ0 read the entire buffer to use hardware ECC. */
        case NAND_CMD_READ0: {
-               out_be32(&ifc->ifc_nand.nand_fbcr, 0);
+               ifc_out32(&ifc->ifc_nand.nand_fbcr, 0);
                set_addr(mtd, 0, page_addr, 0);
 
                ctrl->read_bytes = mtd->writesize + mtd->oobsize;
@@ -373,7 +427,7 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
 
        /* READOOB reads only the OOB because no ECC is performed. */
        case NAND_CMD_READOOB:
-               out_be32(&ifc->ifc_nand.nand_fbcr, mtd->oobsize - column);
+               ifc_out32(&ifc->ifc_nand.nand_fbcr, mtd->oobsize - column);
                set_addr(mtd, column, page_addr, 1);
 
                ctrl->read_bytes = mtd->writesize + mtd->oobsize;
@@ -390,19 +444,19 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
                if (command == NAND_CMD_PARAM)
                        timing = IFC_FIR_OP_RBCD;
 
-               out_be32(&ifc->ifc_nand.nand_fir0,
-                               (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                               (IFC_FIR_OP_UA  << IFC_NAND_FIR0_OP1_SHIFT) |
-                               (timing << IFC_NAND_FIR0_OP2_SHIFT));
-               out_be32(&ifc->ifc_nand.nand_fcr0,
-                               command << IFC_NAND_FCR0_CMD0_SHIFT);
-               out_be32(&ifc->ifc_nand.row3, column);
+               ifc_out32(&ifc->ifc_nand.nand_fir0,
+                         (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                         (IFC_FIR_OP_UA  << IFC_NAND_FIR0_OP1_SHIFT) |
+                         (timing << IFC_NAND_FIR0_OP2_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                         command << IFC_NAND_FCR0_CMD0_SHIFT);
+               ifc_out32(&ifc->ifc_nand.row3, column);
 
                /*
                 * although currently it's 8 bytes for READID, we always read
                 * the maximum 256 bytes(for PARAM)
                 */
-               out_be32(&ifc->ifc_nand.nand_fbcr, 256);
+               ifc_out32(&ifc->ifc_nand.nand_fbcr, 256);
                ctrl->read_bytes = 256;
 
                set_addr(mtd, 0, 0, 0);
@@ -417,16 +471,16 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
 
        /* ERASE2 uses the block and page address from ERASE1 */
        case NAND_CMD_ERASE2:
-               out_be32(&ifc->ifc_nand.nand_fir0,
-                        (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                        (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP1_SHIFT) |
-                        (IFC_FIR_OP_CMD1 << IFC_NAND_FIR0_OP2_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fir0,
+                         (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                         (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP1_SHIFT) |
+                         (IFC_FIR_OP_CMD1 << IFC_NAND_FIR0_OP2_SHIFT));
 
-               out_be32(&ifc->ifc_nand.nand_fcr0,
-                        (NAND_CMD_ERASE1 << IFC_NAND_FCR0_CMD0_SHIFT) |
-                        (NAND_CMD_ERASE2 << IFC_NAND_FCR0_CMD1_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                         (NAND_CMD_ERASE1 << IFC_NAND_FCR0_CMD0_SHIFT) |
+                         (NAND_CMD_ERASE2 << IFC_NAND_FCR0_CMD1_SHIFT));
 
-               out_be32(&ifc->ifc_nand.nand_fbcr, 0);
+               ifc_out32(&ifc->ifc_nand.nand_fbcr, 0);
                ctrl->read_bytes = 0;
                fsl_ifc_run_command(mtd);
                return;
@@ -440,29 +494,41 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
                if (mtd->writesize > 512) {
                        nand_fcr0 =
                                (NAND_CMD_SEQIN << IFC_NAND_FCR0_CMD0_SHIFT) |
-                               (NAND_CMD_PAGEPROG << IFC_NAND_FCR0_CMD1_SHIFT);
-
-                       out_be32(&ifc->ifc_nand.nand_fir0,
-                                (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                                (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
-                                (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP2_SHIFT) |
-                                (IFC_FIR_OP_WBCD  << IFC_NAND_FIR0_OP3_SHIFT) |
-                                (IFC_FIR_OP_CW1 << IFC_NAND_FIR0_OP4_SHIFT));
-                       out_be32(&ifc->ifc_nand.nand_fir1, 0);
+                               (NAND_CMD_STATUS << IFC_NAND_FCR0_CMD1_SHIFT) |
+                               (NAND_CMD_PAGEPROG << IFC_NAND_FCR0_CMD2_SHIFT);
+
+                       ifc_out32(&ifc->ifc_nand.nand_fir0,
+                                 (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                                 (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
+                                 (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP2_SHIFT) |
+                                 (IFC_FIR_OP_WBCD  <<
+                                               IFC_NAND_FIR0_OP3_SHIFT) |
+                                 (IFC_FIR_OP_CMD2 << IFC_NAND_FIR0_OP4_SHIFT));
+                       ifc_out32(&ifc->ifc_nand.nand_fir1,
+                                 (IFC_FIR_OP_CW1 << IFC_NAND_FIR1_OP5_SHIFT) |
+                                 (IFC_FIR_OP_RDSTAT <<
+                                       IFC_NAND_FIR1_OP6_SHIFT) |
+                                 (IFC_FIR_OP_NOP << IFC_NAND_FIR1_OP7_SHIFT));
                } else {
                        nand_fcr0 = ((NAND_CMD_PAGEPROG <<
                                        IFC_NAND_FCR0_CMD1_SHIFT) |
                                    (NAND_CMD_SEQIN <<
-                                       IFC_NAND_FCR0_CMD2_SHIFT));
-
-                       out_be32(&ifc->ifc_nand.nand_fir0,
-                                (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                                (IFC_FIR_OP_CMD2 << IFC_NAND_FIR0_OP1_SHIFT) |
-                                (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP2_SHIFT) |
-                                (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP3_SHIFT) |
-                                (IFC_FIR_OP_WBCD << IFC_NAND_FIR0_OP4_SHIFT));
-                       out_be32(&ifc->ifc_nand.nand_fir1,
-                                (IFC_FIR_OP_CW1 << IFC_NAND_FIR1_OP5_SHIFT));
+                                       IFC_NAND_FCR0_CMD2_SHIFT) |
+                                   (NAND_CMD_STATUS <<
+                                       IFC_NAND_FCR0_CMD3_SHIFT));
+
+                       ifc_out32(&ifc->ifc_nand.nand_fir0,
+                                 (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                                 (IFC_FIR_OP_CMD2 << IFC_NAND_FIR0_OP1_SHIFT) |
+                                 (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP2_SHIFT) |
+                                 (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP3_SHIFT) |
+                                 (IFC_FIR_OP_WBCD << IFC_NAND_FIR0_OP4_SHIFT));
+                       ifc_out32(&ifc->ifc_nand.nand_fir1,
+                                 (IFC_FIR_OP_CMD1 << IFC_NAND_FIR1_OP5_SHIFT) |
+                                 (IFC_FIR_OP_CW3 << IFC_NAND_FIR1_OP6_SHIFT) |
+                                 (IFC_FIR_OP_RDSTAT <<
+                                       IFC_NAND_FIR1_OP7_SHIFT) |
+                                 (IFC_FIR_OP_NOP << IFC_NAND_FIR1_OP8_SHIFT));
 
                        if (column >= mtd->writesize)
                                nand_fcr0 |=
@@ -477,7 +543,7 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
                        column -= mtd->writesize;
                        ctrl->oob = 1;
                }
-               out_be32(&ifc->ifc_nand.nand_fcr0, nand_fcr0);
+               ifc_out32(&ifc->ifc_nand.nand_fcr0, nand_fcr0);
                set_addr(mtd, column, page_addr, ctrl->oob);
                return;
        }
@@ -485,21 +551,21 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
        /* PAGEPROG reuses all of the setup from SEQIN and adds the length */
        case NAND_CMD_PAGEPROG:
                if (ctrl->oob)
-                       out_be32(&ifc->ifc_nand.nand_fbcr,
-                                       ctrl->index - ctrl->column);
+                       ifc_out32(&ifc->ifc_nand.nand_fbcr,
+                                 ctrl->index - ctrl->column);
                else
-                       out_be32(&ifc->ifc_nand.nand_fbcr, 0);
+                       ifc_out32(&ifc->ifc_nand.nand_fbcr, 0);
 
                fsl_ifc_run_command(mtd);
                return;
 
        case NAND_CMD_STATUS:
-               out_be32(&ifc->ifc_nand.nand_fir0,
-                               (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                               (IFC_FIR_OP_RB << IFC_NAND_FIR0_OP1_SHIFT));
-               out_be32(&ifc->ifc_nand.nand_fcr0,
-                               NAND_CMD_STATUS << IFC_NAND_FCR0_CMD0_SHIFT);
-               out_be32(&ifc->ifc_nand.nand_fbcr, 1);
+               ifc_out32(&ifc->ifc_nand.nand_fir0,
+                         (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                         (IFC_FIR_OP_RB << IFC_NAND_FIR0_OP1_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                         NAND_CMD_STATUS << IFC_NAND_FCR0_CMD0_SHIFT);
+               ifc_out32(&ifc->ifc_nand.nand_fbcr, 1);
                set_addr(mtd, 0, 0, 0);
                ctrl->read_bytes = 1;
 
@@ -510,10 +576,10 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
                return;
 
        case NAND_CMD_RESET:
-               out_be32(&ifc->ifc_nand.nand_fir0,
-                               IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT);
-               out_be32(&ifc->ifc_nand.nand_fcr0,
-                               NAND_CMD_RESET << IFC_NAND_FCR0_CMD0_SHIFT);
+               ifc_out32(&ifc->ifc_nand.nand_fir0,
+                         IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT);
+               ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                         NAND_CMD_RESET << IFC_NAND_FCR0_CMD0_SHIFT);
                fsl_ifc_run_command(mtd);
                return;
 
@@ -585,8 +651,8 @@ static uint8_t fsl_ifc_read_byte16(struct mtd_info *mtd)
         * next byte.
         */
        if (ctrl->index < ctrl->read_bytes) {
-               data = in_be16((uint16_t *)&ctrl->
-                                       addr[ctrl->index]);
+               data = ifc_in16((uint16_t *)&ctrl->
+                                addr[ctrl->index]);
                ctrl->index += 2;
                return (uint8_t)data;
        }
@@ -618,6 +684,7 @@ static void fsl_ifc_read_buf(struct mtd_info *mtd, u8 *buf, int len)
                       __func__, len, avail);
 }
 
+#if defined(CONFIG_MTD_NAND_VERIFY_WRITE)
 /*
  * Verify buffer against the IFC Controller Data Buffer
  */
@@ -650,6 +717,7 @@ static int fsl_ifc_verify_buf(struct mtd_info *mtd,
        ctrl->index += len;
        return i == len && ctrl->status == IFC_NAND_EVTER_STAT_OPC ? 0 : -EIO;
 }
+#endif
 
 /* This function is called after Program and Erase Operations to
  * check for success or failure.
@@ -665,12 +733,12 @@ static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip)
                return NAND_STATUS_FAIL;
 
        /* Use READ_STATUS command, but wait for the device to be ready */
-       out_be32(&ifc->ifc_nand.nand_fir0,
-                (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                (IFC_FIR_OP_RDSTAT << IFC_NAND_FIR0_OP1_SHIFT));
-       out_be32(&ifc->ifc_nand.nand_fcr0, NAND_CMD_STATUS <<
-                       IFC_NAND_FCR0_CMD0_SHIFT);
-       out_be32(&ifc->ifc_nand.nand_fbcr, 1);
+       ifc_out32(&ifc->ifc_nand.nand_fir0,
+                 (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                 (IFC_FIR_OP_RDSTAT << IFC_NAND_FIR0_OP1_SHIFT));
+       ifc_out32(&ifc->ifc_nand.nand_fcr0, NAND_CMD_STATUS <<
+                 IFC_NAND_FCR0_CMD0_SHIFT);
+       ifc_out32(&ifc->ifc_nand.nand_fbcr, 1);
        set_addr(mtd, 0, 0, 0);
        ctrl->read_bytes = 1;
 
@@ -679,16 +747,15 @@ static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip)
        if (ctrl->status != IFC_NAND_EVTER_STAT_OPC)
                return NAND_STATUS_FAIL;
 
-       nand_fsr = in_be32(&ifc->ifc_nand.nand_fsr);
+       nand_fsr = ifc_in32(&ifc->ifc_nand.nand_fsr);
 
        /* Chip sometimes reporting write protect even when it's not */
        nand_fsr = nand_fsr | NAND_STATUS_WP;
        return nand_fsr;
 }
 
-static int fsl_ifc_read_page(struct mtd_info *mtd,
-                             struct nand_chip *chip,
-                             uint8_t *buf, int page)
+static int fsl_ifc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
+                            uint8_t *buf, int oob_required, int page)
 {
        struct fsl_ifc_mtd *priv = chip->priv;
        struct fsl_ifc_ctrl *ctrl = priv->ctrl;
@@ -705,12 +772,13 @@ static int fsl_ifc_read_page(struct mtd_info *mtd,
 /* ECC will be calculated automatically, and errors will be detected in
  * waitfunc.
  */
-static void fsl_ifc_write_page(struct mtd_info *mtd,
-                               struct nand_chip *chip,
-                               const uint8_t *buf)
+static int fsl_ifc_write_page(struct mtd_info *mtd, struct nand_chip *chip,
+                              const uint8_t *buf, int oob_required)
 {
        fsl_ifc_write_buf(mtd, buf, mtd->writesize);
        fsl_ifc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+       return 0;
 }
 
 static void fsl_ifc_ctrl_init(void)
@@ -722,76 +790,101 @@ static void fsl_ifc_ctrl_init(void)
        ifc_ctrl->regs = IFC_BASE_ADDR;
 
        /* clear event registers */
-       out_be32(&ifc_ctrl->regs->ifc_nand.nand_evter_stat, ~0U);
-       out_be32(&ifc_ctrl->regs->ifc_nand.pgrdcmpl_evt_stat, ~0U);
+       ifc_out32(&ifc_ctrl->regs->ifc_nand.nand_evter_stat, ~0U);
+       ifc_out32(&ifc_ctrl->regs->ifc_nand.pgrdcmpl_evt_stat, ~0U);
 
        /* Enable error and event for any detected errors */
-       out_be32(&ifc_ctrl->regs->ifc_nand.nand_evter_en,
-                       IFC_NAND_EVTER_EN_OPC_EN |
-                       IFC_NAND_EVTER_EN_PGRDCMPL_EN |
-                       IFC_NAND_EVTER_EN_FTOER_EN |
-                       IFC_NAND_EVTER_EN_WPER_EN);
+       ifc_out32(&ifc_ctrl->regs->ifc_nand.nand_evter_en,
+                 IFC_NAND_EVTER_EN_OPC_EN |
+                 IFC_NAND_EVTER_EN_PGRDCMPL_EN |
+                 IFC_NAND_EVTER_EN_FTOER_EN |
+                 IFC_NAND_EVTER_EN_WPER_EN);
 
-       out_be32(&ifc_ctrl->regs->ifc_nand.ncfgr, 0x0);
+       ifc_out32(&ifc_ctrl->regs->ifc_nand.ncfgr, 0x0);
 }
 
 static void fsl_ifc_select_chip(struct mtd_info *mtd, int chip)
 {
 }
 
-static void fsl_ifc_sram_init(void)
+static int fsl_ifc_sram_init(uint32_t ver)
 {
        struct fsl_ifc *ifc = ifc_ctrl->regs;
        uint32_t cs = 0, csor = 0, csor_8k = 0, csor_ext = 0;
+       uint32_t ncfgr = 0;
        long long end_tick;
 
+       if (ver > FSL_IFC_V1_1_0) {
+               ncfgr = ifc_in32(&ifc->ifc_nand.ncfgr);
+               ifc_out32(&ifc->ifc_nand.ncfgr, ncfgr | IFC_NAND_SRAM_INIT_EN);
+
+               /* wait for  SRAM_INIT bit to be clear or timeout */
+               end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks();
+               while (end_tick > get_ticks()) {
+                       ifc_ctrl->status =
+                               ifc_in32(&ifc->ifc_nand.nand_evter_stat);
+
+                       if (!(ifc_ctrl->status & IFC_NAND_SRAM_INIT_EN))
+                               return 0;
+               }
+               printf("fsl-ifc: Failed to Initialise SRAM\n");
+               return 1;
+       }
+
        cs = ifc_ctrl->cs_nand >> IFC_NAND_CSEL_SHIFT;
 
        /* Save CSOR and CSOR_ext */
-       csor = in_be32(&ifc_ctrl->regs->csor_cs[cs].csor);
-       csor_ext = in_be32(&ifc_ctrl->regs->csor_cs[cs].csor_ext);
+       csor = ifc_in32(&ifc_ctrl->regs->csor_cs[cs].csor);
+       csor_ext = ifc_in32(&ifc_ctrl->regs->csor_cs[cs].csor_ext);
 
        /* chage PageSize 8K and SpareSize 1K*/
        csor_8k = (csor & ~(CSOR_NAND_PGS_MASK)) | 0x0018C000;
-       out_be32(&ifc_ctrl->regs->csor_cs[cs].csor, csor_8k);
-       out_be32(&ifc_ctrl->regs->csor_cs[cs].csor_ext, 0x0000400);
+       ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor, csor_8k);
+       ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor_ext, 0x0000400);
 
        /* READID */
-       out_be32(&ifc->ifc_nand.nand_fir0,
-                       (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                       (IFC_FIR_OP_UA  << IFC_NAND_FIR0_OP1_SHIFT) |
-                       (IFC_FIR_OP_RB << IFC_NAND_FIR0_OP2_SHIFT));
-       out_be32(&ifc->ifc_nand.nand_fcr0,
-                       NAND_CMD_READID << IFC_NAND_FCR0_CMD0_SHIFT);
-       out_be32(&ifc->ifc_nand.row3, 0x0);
+       ifc_out32(&ifc->ifc_nand.nand_fir0,
+                 (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                 (IFC_FIR_OP_UA  << IFC_NAND_FIR0_OP1_SHIFT) |
+                 (IFC_FIR_OP_RB << IFC_NAND_FIR0_OP2_SHIFT));
+       ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                 NAND_CMD_READID << IFC_NAND_FCR0_CMD0_SHIFT);
+       ifc_out32(&ifc->ifc_nand.row3, 0x0);
 
-       out_be32(&ifc->ifc_nand.nand_fbcr, 0x0);
+       ifc_out32(&ifc->ifc_nand.nand_fbcr, 0x0);
 
        /* Program ROW0/COL0 */
-       out_be32(&ifc->ifc_nand.row0, 0x0);
-       out_be32(&ifc->ifc_nand.col0, 0x0);
+       ifc_out32(&ifc->ifc_nand.row0, 0x0);
+       ifc_out32(&ifc->ifc_nand.col0, 0x0);
 
        /* set the chip select for NAND Transaction */
-       out_be32(&ifc->ifc_nand.nand_csel, ifc_ctrl->cs_nand);
+       ifc_out32(&ifc->ifc_nand.nand_csel, ifc_ctrl->cs_nand);
 
        /* start read seq */
-       out_be32(&ifc->ifc_nand.nandseq_strt, IFC_NAND_SEQ_STRT_FIR_STRT);
+       ifc_out32(&ifc->ifc_nand.nandseq_strt, IFC_NAND_SEQ_STRT_FIR_STRT);
 
        /* wait for NAND Machine complete flag or timeout */
        end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks();
 
        while (end_tick > get_ticks()) {
-               ifc_ctrl->status = in_be32(&ifc->ifc_nand.nand_evter_stat);
+               ifc_ctrl->status = ifc_in32(&ifc->ifc_nand.nand_evter_stat);
 
                if (ifc_ctrl->status & IFC_NAND_EVTER_STAT_OPC)
                        break;
        }
 
-       out_be32(&ifc->ifc_nand.nand_evter_stat, ifc_ctrl->status);
+       if (ifc_ctrl->status != IFC_NAND_EVTER_STAT_OPC) {
+               printf("fsl-ifc: Failed to Initialise SRAM\n");
+               return 1;
+       }
+
+       ifc_out32(&ifc->ifc_nand.nand_evter_stat, ifc_ctrl->status);
 
        /* Restore CSOR and CSOR_ext */
-       out_be32(&ifc_ctrl->regs->csor_cs[cs].csor, csor);
-       out_be32(&ifc_ctrl->regs->csor_cs[cs].csor_ext, csor_ext);
+       ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor, csor);
+       ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor_ext, csor_ext);
+
+       return 0;
 }
 
 static int fsl_ifc_chip_init(int devnum, u8 *addr)
@@ -801,7 +894,7 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
        struct fsl_ifc_mtd *priv;
        struct nand_ecclayout *layout;
        uint32_t cspr = 0, csor = 0, ver = 0;
-       int ret;
+       int ret = 0;
 
        if (!ifc_ctrl) {
                fsl_ifc_ctrl_init();
@@ -821,8 +914,8 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
        for (priv->bank = 0; priv->bank < MAX_BANKS; priv->bank++) {
                phys_addr_t phys_addr = virt_to_phys(addr);
 
-               cspr = in_be32(&ifc_ctrl->regs->cspr_cs[priv->bank].cspr);
-               csor = in_be32(&ifc_ctrl->regs->csor_cs[priv->bank].csor);
+               cspr = ifc_in32(&ifc_ctrl->regs->cspr_cs[priv->bank].cspr);
+               csor = ifc_in32(&ifc_ctrl->regs->csor_cs[priv->bank].csor);
 
                if ((cspr & CSPR_V) && (cspr & CSPR_MSEL) == CSPR_MSEL_NAND &&
                    (cspr & CSPR_BA) == CSPR_PHYS_ADDR(phys_addr)) {
@@ -848,7 +941,9 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
 
        nand->write_buf = fsl_ifc_write_buf;
        nand->read_buf = fsl_ifc_read_buf;
+#if defined(CONFIG_MTD_NAND_VERIFY_WRITE)
        nand->verify_buf = fsl_ifc_verify_buf;
+#endif
        nand->select_chip = fsl_ifc_select_chip;
        nand->cmdfunc = fsl_ifc_cmdfunc;
        nand->waitfunc = fsl_ifc_wait;
@@ -858,8 +953,8 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
        nand->bbt_md = &bbt_mirror_descr;
 
        /* set up nand options */
-       nand->options = NAND_NO_READRDY | NAND_NO_AUTOINCR |
-                       NAND_USE_FLASH_BBT | NAND_NO_SUBPAGE_WRITE;
+       nand->options = NAND_NO_SUBPAGE_WRITE;
+       nand->bbt_options = NAND_BBT_USE_FLASH;
 
        if (cspr & CSPR_PORT_SIZE_16) {
                nand->read_byte = fsl_ifc_read_byte16;
@@ -890,11 +985,13 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
                        bbt_mirror_descr.offs = 0;
                }
 
+               nand->ecc.strength = 4;
                priv->bufnum_mask = 15;
                break;
 
        case CSOR_NAND_PGS_2K:
                layout = &oob_2048_ecc4;
+               nand->ecc.strength = 4;
                priv->bufnum_mask = 3;
                break;
 
@@ -902,14 +999,31 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
                if ((csor & CSOR_NAND_ECC_MODE_MASK) ==
                    CSOR_NAND_ECC_MODE_4) {
                        layout = &oob_4096_ecc4;
+                       nand->ecc.strength = 4;
                } else {
                        layout = &oob_4096_ecc8;
+                       nand->ecc.strength = 8;
                        nand->ecc.bytes = 16;
                }
 
                priv->bufnum_mask = 1;
                break;
 
+       case CSOR_NAND_PGS_8K:
+               if ((csor & CSOR_NAND_ECC_MODE_MASK) ==
+                   CSOR_NAND_ECC_MODE_4) {
+                       layout = &oob_8192_ecc4;
+                       nand->ecc.strength = 4;
+               } else {
+                       layout = &oob_8192_ecc8;
+                       nand->ecc.strength = 8;
+                       nand->ecc.bytes = 16;
+               }
+
+               priv->bufnum_mask = 0;
+               break;
+
+
        default:
                printf("ifc nand: bad csor %#x: bad page size\n", csor);
                return -ENODEV;
@@ -923,9 +1037,14 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
                nand->ecc.mode = NAND_ECC_SOFT;
        }
 
-       ver = in_be32(&ifc_ctrl->regs->ifc_rev);
-       if (ver == FSL_IFC_V1_1_0)
-               fsl_ifc_sram_init();
+       ver = ifc_in32(&ifc_ctrl->regs->ifc_rev);
+       if (ver >= FSL_IFC_V1_1_0)
+               ret = fsl_ifc_sram_init(ver);
+       if (ret)
+               return ret;
+
+       if (ver >= FSL_IFC_V2_0_0)
+               priv->bufnum_mask = (priv->bufnum_mask * 2) + 1;
 
        ret = nand_scan_ident(mtd, 1, NULL);
        if (ret)