Added NAND support
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
diff --git a/board/freescale/m5329evb/Makefile b/board/freescale/m5329evb/Makefile
index 74c2528..ab0f11e 100644
--- a/board/freescale/m5329evb/Makefile
+++ b/board/freescale/m5329evb/Makefile
@@ -25,7 +25,7 @@
LIB = $(obj)lib$(BOARD).a
-COBJS = $(BOARD).o mii.o
+COBJS = $(BOARD).o mii.o nand.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/freescale/m5329evb/nand.c b/board/freescale/m5329evb/nand.c
new file mode 100644
index 0000000..2a4ca71
--- /dev/null
+++ b/board/freescale/m5329evb/nand.c
@@ -0,0 +1,115 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.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 <config.h>
+#include <common.h>
+#include <asm/io.h>
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#include <nand.h>
+#include <linux/mtd/mtd.h>
+
+#define SET_CLE 0x10
+#define CLR_CLE ~SET_CLE
+#define SET_ALE 0x08
+#define CLR_ALE ~SET_ALE
+
+static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+ u32 nand_baseaddr = (u32) this->IO_ADDR_W;
+
+ switch (cmd) {
+ case NAND_CTL_SETNCE:
+ case NAND_CTL_CLRNCE:
+ break;
+ case NAND_CTL_SETCLE:
+ nand_baseaddr |= SET_CLE;
+ break;
+ case NAND_CTL_CLRCLE:
+ nand_baseaddr &= CLR_CLE;
+ break;
+ case NAND_CTL_SETALE:
+ nand_baseaddr |= SET_ALE;
+ break;
+ case NAND_CTL_CLRALE:
+ nand_baseaddr |= CLR_ALE;
+ break;
+ case NAND_CTL_SETWP:
+ fbcs->csmr2 |= CSMR_WP;
+ break;
+ case NAND_CTL_CLRWP:
+ fbcs->csmr2 &= ~CSMR_WP;
+ break;
+ }
+ this->IO_ADDR_W = (void __iomem *)(nand_baseaddr);
+}
+
+static void nand_write_byte(struct mtd_info *mtdinfo, u_char byte)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ *((volatile u8 *)(this->IO_ADDR_W)) = byte;
+}
+
+static u8 nand_read_byte(struct mtd_info *mtdinfo)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ return (u8) (*((volatile u8 *)this->IO_ADDR_R));
+}
+
+static int nand_dev_ready(struct mtd_info *mtdinfo)
+{
+ return 1;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ *((volatile u16 *)CFG_LATCH_ADDR) |= 0x0004;
+
+ /* set up pin configuration */
+ gpio->par_timer &= ~GPIO_PAR_TIN3_TIN3;
+ gpio->pddr_timer |= 0x08;
+ gpio->ppd_timer |= 0x08;
+ gpio->pclrr_timer = 0;
+ gpio->podr_timer = 0;
+
+ nand->chip_delay = 50;
+ nand->eccmode = NAND_ECC_SOFT;
+ nand->hwcontrol = nand_hwcontrol;
+ nand->read_byte = nand_read_byte;
+ nand->write_byte = nand_write_byte;
+ nand->dev_ready = nand_dev_ready;
+
+ return 0;
+}
+#endif
+
diff --git a/include/asm-m68k/bitops.h b/include/asm-m68k/bitops.h
index 3283714..0f9e8ab 100644
--- a/include/asm-m68k/bitops.h
+++ b/include/asm-m68k/bitops.h
@@ -15,4 +15,43 @@
extern int test_and_clear_bit(int nr, volatile void *addr);
extern int test_and_change_bit(int nr, volatile void *addr);
+#ifdef __KERNEL__
+
+/*
+ * ffs: find first bit set. This is defined the same way as
+ * the libc and compiler builtin ffs routines, therefore
+ * differs in spirit from the above ffz (man ffs).
+ */
+extern __inline__ int ffs(int x)
+{
+ int r = 1;
+
+ if (!x)
+ return 0;
+ if (!(x & 0xffff)) {
+ x >>= 16;
+ r += 16;
+ }
+ if (!(x & 0xff)) {
+ x >>= 8;
+ r += 8;
+ }
+ if (!(x & 0xf)) {
+ x >>= 4;
+ r += 4;
+ }
+ if (!(x & 3)) {
+ x >>= 2;
+ r += 2;
+ }
+ if (!(x & 1)) {
+ x >>= 1;
+ r += 1;
+ }
+ return r;
+}
+#define __ffs(x) (ffs(x) - 1)
+
+#endif /* __KERNEL__ */
+
#endif /* _M68K_BITOPS_H */
diff --git a/include/asm-m68k/errno.h b/include/asm-m68k/errno.h
new file mode 100644
index 0000000..ff364b8
--- /dev/null
+++ b/include/asm-m68k/errno.h
@@ -0,0 +1,138 @@
+#ifndef _PPC_ERRNO_H
+#define _PPC_ERRNO_H
+
+#define EPERM 1 /* Operation not permitted */
+#define ENOENT 2 /* No such file or directory */
+#define ESRCH 3 /* No such process */
+#define EINTR 4 /* Interrupted system call */
+#define EIO 5 /* I/O error */
+#define ENXIO 6 /* No such device or address */
+#define E2BIG 7 /* Arg list too long */
+#define ENOEXEC 8 /* Exec format error */
+#define EBADF 9 /* Bad file number */
+#define ECHILD 10 /* No child processes */
+#define EAGAIN 11 /* Try again */
+#define ENOMEM 12 /* Out of memory */
+#define EACCES 13 /* Permission denied */
+#define EFAULT 14 /* Bad address */
+#define ENOTBLK 15 /* Block device required */
+#define EBUSY 16 /* Device or resource busy */
+#define EEXIST 17 /* File exists */
+#define EXDEV 18 /* Cross-device link */
+#define ENODEV 19 /* No such device */
+#define ENOTDIR 20 /* Not a directory */
+#define EISDIR 21 /* Is a directory */
+#define EINVAL 22 /* Invalid argument */
+#define ENFILE 23 /* File table overflow */
+#define EMFILE 24 /* Too many open files */
+#define ENOTTY 25 /* Not a typewriter */
+#define ETXTBSY 26 /* Text file busy */
+#define EFBIG 27 /* File too large */
+#define ENOSPC 28 /* No space left on device */
+#define ESPIPE 29 /* Illegal seek */
+#define EROFS 30 /* Read-only file system */
+#define EMLINK 31 /* Too many links */
+#define EPIPE 32 /* Broken pipe */
+#define EDOM 33 /* Math argument out of domain of func */
+#define ERANGE 34 /* Math result not representable */
+#define EDEADLK 35 /* Resource deadlock would occur */
+#define ENAMETOOLONG 36 /* File name too long */
+#define ENOLCK 37 /* No record locks available */
+#define ENOSYS 38 /* Function not implemented */
+#define ENOTEMPTY 39 /* Directory not empty */
+#define ELOOP 40 /* Too many symbolic links encountered */
+#define EWOULDBLOCK EAGAIN /* Operation would block */
+#define ENOMSG 42 /* No message of desired type */
+#define EIDRM 43 /* Identifier removed */
+#define ECHRNG 44 /* Channel number out of range */
+#define EL2NSYNC 45 /* Level 2 not synchronized */
+#define EL3HLT 46 /* Level 3 halted */
+#define EL3RST 47 /* Level 3 reset */
+#define ELNRNG 48 /* Link number out of range */
+#define EUNATCH 49 /* Protocol driver not attached */
+#define ENOCSI 50 /* No CSI structure available */
+#define EL2HLT 51 /* Level 2 halted */
+#define EBADE 52 /* Invalid exchange */
+#define EBADR 53 /* Invalid request descriptor */
+#define EXFULL 54 /* Exchange full */
+#define ENOANO 55 /* No anode */
+#define EBADRQC 56 /* Invalid request code */
+#define EBADSLT 57 /* Invalid slot */
+#define EDEADLOCK 58 /* File locking deadlock error */
+#define EBFONT 59 /* Bad font file format */
+#define ENOSTR 60 /* Device not a stream */
+#define ENODATA 61 /* No data available */
+#define ETIME 62 /* Timer expired */
+#define ENOSR 63 /* Out of streams resources */
+#define ENONET 64 /* Machine is not on the network */
+#define ENOPKG 65 /* Package not installed */
+#define EREMOTE 66 /* Object is remote */
+#define ENOLINK 67 /* Link has been severed */
+#define EADV 68 /* Advertise error */
+#define ESRMNT 69 /* Srmount error */
+#define ECOMM 70 /* Communication error on send */
+#define EPROTO 71 /* Protocol error */
+#define EMULTIHOP 72 /* Multihop attempted */
+#define EDOTDOT 73 /* RFS specific error */
+#define EBADMSG 74 /* Not a data message */
+#define EOVERFLOW 75 /* Value too large for defined data type */
+#define ENOTUNIQ 76 /* Name not unique on network */
+#define EBADFD 77 /* File descriptor in bad state */
+#define EREMCHG 78 /* Remote address changed */
+#define ELIBACC 79 /* Can not access a needed shared library */
+#define ELIBBAD 80 /* Accessing a corrupted shared library */
+#define ELIBSCN 81 /* .lib section in a.out corrupted */
+#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
+#define ELIBEXEC 83 /* Cannot exec a shared library directly */
+#define EILSEQ 84 /* Illegal byte sequence */
+#define ERESTART 85 /* Interrupted system call should be restarted */
+#define ESTRPIPE 86 /* Streams pipe error */
+#define EUSERS 87 /* Too many users */
+#define ENOTSOCK 88 /* Socket operation on non-socket */
+#define EDESTADDRREQ 89 /* Destination address required */
+#define EMSGSIZE 90 /* Message too long */
+#define EPROTOTYPE 91 /* Protocol wrong type for socket */
+#define ENOPROTOOPT 92 /* Protocol not available */
+#define EPROTONOSUPPORT 93 /* Protocol not supported */
+#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
+#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
+#define EPFNOSUPPORT 96 /* Protocol family not supported */
+#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
+#define EADDRINUSE 98 /* Address already in use */
+#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
+#define ENETDOWN 100 /* Network is down */
+#define ENETUNREACH 101 /* Network is unreachable */
+#define ENETRESET 102 /* Network dropped connection because of reset */
+#define ECONNABORTED 103 /* Software caused connection abort */
+#define ECONNRESET 104 /* Connection reset by peer */
+#define ENOBUFS 105 /* No buffer space available */
+#define EISCONN 106 /* Transport endpoint is already connected */
+#define ENOTCONN 107 /* Transport endpoint is not connected */
+#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
+#define ETOOMANYREFS 109 /* Too many references: cannot splice */
+#define ETIMEDOUT 110 /* Connection timed out */
+#define ECONNREFUSED 111 /* Connection refused */
+#define EHOSTDOWN 112 /* Host is down */
+#define EHOSTUNREACH 113 /* No route to host */
+#define EALREADY 114 /* Operation already in progress */
+#define EINPROGRESS 115 /* Operation now in progress */
+#define ESTALE 116 /* Stale NFS file handle */
+#define EUCLEAN 117 /* Structure needs cleaning */
+#define ENOTNAM 118 /* Not a XENIX named type file */
+#define ENAVAIL 119 /* No XENIX semaphores available */
+#define EISNAM 120 /* Is a named type file */
+#define EREMOTEIO 121 /* Remote I/O error */
+#define EDQUOT 122 /* Quota exceeded */
+
+#define ENOMEDIUM 123 /* No medium found */
+#define EMEDIUMTYPE 124 /* Wrong medium type */
+
+/* Should never be seen by user programs */
+#define ERESTARTSYS 512
+#define ERESTARTNOINTR 513
+#define ERESTARTNOHAND 514 /* restart if no handler.. */
+#define ENOIOCTLCMD 515 /* No ioctl command */
+
+#define _LAST_ERRNO 515
+
+#endif
diff --git a/include/configs/M5329EVB.h b/include/configs/M5329EVB.h
index 605684b..6a7e052 100644
--- a/include/configs/M5329EVB.h
+++ b/include/configs/M5329EVB.h
@@ -47,7 +47,7 @@
#undef CONFIG_WATCHDOG
#define CONFIG_WATCHDOG_TIMEOUT 5000 /* timeout in milliseconds, max timeout is 6.71sec */
-#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
+#define DEFAULT_COMMANDS ( CONFIG_CMD_DFL | \
CFG_CMD_CACHE | \
CFG_CMD_DATE | \
CFG_CMD_ELF | \
@@ -62,6 +62,12 @@
CFG_CMD_REGINFO \
)
+#ifdef NANDFLASH_SIZE
+# define CONFIG_COMMANDS (DEFAULT_COMMANDS | CFG_CMD_NAND)
+#else
+# define CONFIG_COMMANDS (DEFAULT_COMMANDS)
+#endif
+
#define CFG_UNIFY_CACHE
#define CONFIG_MCFFEC
@@ -148,6 +154,8 @@
#define CFG_MBAR 0xFC000000
+#define CFG_LATCH_ADDR (CFG_CS1_BASE + 0x80000)
+
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
@@ -205,6 +213,19 @@
# define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
#endif
+#ifdef NANDFLASH_SIZE
+# define CFG_MAX_NAND_DEVICE 1
+# define CFG_NAND_BASE (CFG_CS2_BASE << 16)
+# define CFG_NAND_SIZE 1
+# define CFG_NAND_BASE_LIST { CFG_NAND_BASE }
+# define NAND_MAX_CHIPS 1
+# define NAND_ALLOW_ERASE_ALL 1
+# define CONFIG_JFFS2_NAND 1
+# define CONFIG_JFFS2_DEV "nand0"
+# define CONFIG_JFFS2_PART_SIZE (CFG_CS2_MASK & ~1)
+# define CONFIG_JFFS2_PART_OFFSET 0x00000000
+#endif
+
#define CFG_FLASH_BASE 0
#define CFG_FLASH0_BASE (CFG_CS0_BASE << 16)
@@ -241,8 +262,8 @@
#define CFG_CS1_CTRL 0x002A3780
#ifdef NANDFLASH_SIZE
-#define CFG_CS2_BASE 0x00800000
-#define CFG_CS2_MASK 0x00ff0001
+#define CFG_CS2_BASE 0x2000
+#define CFG_CS2_MASK ((NANDFLASH_SIZE << 20) | 1)
#define CFG_CS2_CTRL 0x00001f60
#endif