[U-Boot] [PATCH 37/42] Blackfin: cm-bf527: new board port

Mike Frysinger vapier at gentoo.org
Tue Feb 10 07:21:15 CET 2009


Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
 MAINTAINERS                    |    1 +
 MAKEALL                        |    1 +
 Makefile                       |    4 +-
 board/cm-bf527/.gitignore      |    1 +
 board/cm-bf527/Makefile        |   59 ++++
 board/cm-bf527/cm-bf527.c      |   59 ++++
 board/cm-bf527/config.mk       |   32 +++
 board/cm-bf527/flash-defines.h |   51 ++++
 board/cm-bf527/flash.c         |  589 ++++++++++++++++++++++++++++++++++++++++
 board/cm-bf527/gpio.c          |   74 +++++
 board/cm-bf527/nand.c          |    2 +
 board/cm-bf527/spi_flash.c     |    2 +
 board/cm-bf527/u-boot.lds.S    |  124 +++++++++
 include/configs/cm-bf527.h     |  144 ++++++++++
 14 files changed, 1141 insertions(+), 2 deletions(-)
 create mode 100644 board/cm-bf527/.gitignore
 create mode 100644 board/cm-bf527/Makefile
 create mode 100644 board/cm-bf527/cm-bf527.c
 create mode 100644 board/cm-bf527/config.mk
 create mode 100644 board/cm-bf527/flash-defines.h
 create mode 100644 board/cm-bf527/flash.c
 create mode 100644 board/cm-bf527/gpio.c
 create mode 100644 board/cm-bf527/nand.c
 create mode 100644 board/cm-bf527/spi_flash.c
 create mode 100644 board/cm-bf527/u-boot.lds.S
 create mode 100644 include/configs/cm-bf527.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 37f8118..f56fccf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -858,6 +858,7 @@ Blackfin Team <u-boot-devel at blackfin.uclinux.org>
 Bluetechnix Tinyboards <bluetechnix at blackfin.uclinux.org>
 Blackfin Team <u-boot-devel at blackfin.uclinux.org>
 
+	CM-BF527	BF527
 	CM-BF533	BF533
 	CM-BF537E	BF537
 	CM-BF548	BF548
diff --git a/MAKEALL b/MAKEALL
index 32f770e..362730a 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -789,6 +789,7 @@ LIST_blackfin="		\
 	bf538f-ezkit	\
 	bf548-ezkit	\
 	bf561-ezkit	\
+	cm-bf527	\
 	cm-bf533	\
 	cm-bf537e	\
 	cm-bf548	\
diff --git a/Makefile b/Makefile
index 7a50144..8fbc58f 100644
--- a/Makefile
+++ b/Makefile
@@ -3293,7 +3293,7 @@ BFIN_BOARDS = bf518f-ezbrd bf526-ezbrd bf527-ezkit bf533-ezkit bf533-stamp \
 	bf537-stamp bf538f-ezkit bf548-ezkit bf561-ezkit
 
 # Bluetechnix tinyboards
-BFIN_BOARDS += cm-bf533 cm-bf537e cm-bf548 cm-bf561 tcm-bf537
+BFIN_BOARDS += cm-bf527 cm-bf533 cm-bf537e cm-bf548 cm-bf561 tcm-bf537
 
 $(BFIN_BOARDS:%=%_config)	: unconfig
 	@$(MKCONFIG) $(@:_config=) blackfin blackfin $(@:_config=)
@@ -3456,7 +3456,7 @@ clean:
 	       $(obj)board/netstar/{eeprom,crcek,crcit,*.srec,*.bin}	  \
 	       $(obj)board/trab/trab_fkt   $(obj)board/voiceblue/eeprom   \
 	       $(obj)board/{integratorap,integratorcp}/u-boot.lds	  \
-	       $(obj)board/{,t}cm-bf5{33,37e,48,61}/u-boot.lds		  \
+	       $(obj)board/{,t}cm-bf5{27,33,37e,48,61}/u-boot.lds	  \
 	       $(obj)board/bf5{18f,26,27,33,37,38f,48,61}-{ez{kit,brd},stamp}/u-boot.lds \
 	       $(obj)cpu/blackfin/bootrom-asm-offsets.[chs]
 	@rm -f $(obj)include/bmp_logo.h
diff --git a/board/cm-bf527/.gitignore b/board/cm-bf527/.gitignore
new file mode 100644
index 0000000..945f324
--- /dev/null
+++ b/board/cm-bf527/.gitignore
@@ -0,0 +1 @@
+/u-boot.lds
diff --git a/board/cm-bf527/Makefile b/board/cm-bf527/Makefile
new file mode 100644
index 0000000..f3d5b0b
--- /dev/null
+++ b/board/cm-bf527/Makefile
@@ -0,0 +1,59 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS-y	:= $(BOARD).o gpio.o flash.o
+COBJS-$(CONFIG_CMD_EEPROM) += spi_flash.o
+COBJS-$(CONFIG_CMD_NAND)   += nand.o
+
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS-y))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+$(obj)u-boot.lds: u-boot.lds.S
+	$(CPP) $(CPPFLAGS) -D__ASSEMBLY__ -P $^ > $@
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/cm-bf527/cm-bf527.c b/board/cm-bf527/cm-bf527.c
new file mode 100644
index 0000000..712f05d
--- /dev/null
+++ b/board/cm-bf527/cm-bf527.c
@@ -0,0 +1,59 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/blackfin.h>
+#include <asm/net.h>
+#include <asm/mach-common/bits/otp.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	printf("Board: Bluetechnix CM-BF527 board\n");
+	printf("       Support: http://www.bluetechnix.at/\n");
+	return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+	return gd->bd->bi_memsize;
+}
+
+#if defined(CONFIG_BFIN_MAC)
+void board_get_enetaddr(uchar *mac_addr)
+{
+	/* the MAC is stored in OTP memory page 0xDF */
+	uint32_t ret;
+	uint64_t otp_mac;
+
+	ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
+	if (!(ret & OTP_MASTER_ERROR)) {
+		uchar *otp_mac_p = (uchar *)&otp_mac;
+
+		for (ret = 0; ret < 6; ++ret)
+			mac_addr[ret] = otp_mac_p[5 - ret];
+
+		if (is_valid_ether_addr(mac_addr))
+			return;
+	}
+
+	puts("Warning: Generating 'random' MAC address\n");
+	bfin_gen_rand_mac(mac_addr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+	return bfin_EMAC_initialize(bis);
+}
+#endif
diff --git a/board/cm-bf527/config.mk b/board/cm-bf527/config.mk
new file mode 100644
index 0000000..f4a5a80
--- /dev/null
+++ b/board/cm-bf527/config.mk
@@ -0,0 +1,32 @@
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# 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
+#
+
+# This is not actually used for Blackfin boards so do not change it
+#TEXT_BASE = do-not-use-me
+
+LDSCRIPT = $(obj)board/$(BOARDDIR)/u-boot.lds
+
+# Set some default LDR flags based on boot mode.
+LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE))
diff --git a/board/cm-bf527/flash-defines.h b/board/cm-bf527/flash-defines.h
new file mode 100644
index 0000000..07308e5
--- /dev/null
+++ b/board/cm-bf527/flash-defines.h
@@ -0,0 +1,51 @@
+/*
+ * U-boot - flash-defines.h
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+ *
+ * based on EZ-KIT flash driver
+ * Edited by Thomas Tamandl, thomas.tamandl at bluetechnix.at
+ * Edited by Jahshan Bhatti, jabhatti91 at gmail.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 __FLASHDEFINES_H__
+#define __FLASHDEFINES_H__
+
+#include <common.h>
+
+#define FLASH_TIMEOUT 0xffffff
+#define FLASH_TIMEOUT 0xffffff
+#define FLASH_SECTOR_SIZE 0x20000
+#define MT_MANUFACT_P30 0x0089881A
+#define MT_MANUFACT_P33 0x00898820
+
+int get_codes(void);
+static int erase_block_flash(int, unsigned long);
+/* static int write_data(long lStart, long lCount, long lStride, int *pnData); */
+static int write_flash(long nOffset, unsigned short nValue);
+static int check_sector(unsigned short usSector);
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
+
+#endif
diff --git a/board/cm-bf527/flash.c b/board/cm-bf527/flash.c
new file mode 100644
index 0000000..889bdf5
--- /dev/null
+++ b/board/cm-bf527/flash.c
@@ -0,0 +1,589 @@
+/*
+ * U-boot - flash.c Flash driver for MT28F320J3FS-11
+ *
+
+ * Copyright (c) 2005 blackfin.uclinux.org
+ * This file is based on BF533EzFlash.c originally written by Analog Devices, Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+ *
+ * based on EZ-KIT flash driver
+ * Edited by Thomas Tamandl, thomas.tamandl at bluetechnix.at
+ * Edited by Jahshan Bhatti, jabhatti91 at gmail.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 <command.h>
+
+#include <asm/blackfin.h>
+#include "flash-defines.h"
+
+static int write_flash(long nOffset, unsigned short nValue);
+static int erase_block_flash(int nBlock, unsigned long address);
+
+#define SWITCH_BANK \
+	do { \
+		if (memIndex >= 0x20600000) { \
+			*pPORTHIO_SET = PH9; \
+			*pPORTGIO_SET = PG11; \
+			memIndex -= 0x600000; \
+			crossed4 = 1; \
+			crossed5 = 1; \
+		} else if (memIndex >= 0x20400000) { \
+			*pPORTHIO_CLEAR = PH9; \
+			*pPORTGIO_SET = PG11; \
+			memIndex -= 0x400000; \
+			crossed5 = 1; \
+		} else if (memIndex >= 0x20200000) { \
+			*pPORTHIO_SET = PH9; \
+			*pPORTGIO_CLEAR = PG11; \
+			memIndex -= 0x200000; \
+			crossed4 = 1; \
+		} else { \
+			*pPORTHIO_CLEAR = PH9; \
+			*pPORTGIO_CLEAR = PG11; \
+		} \
+		SSYNC(); \
+	} while (0)
+
+#define SWITCH_BACK \
+	do { \
+		if (crossed4) { \
+			*pPORTHIO_CLEAR = PH9; \
+			memIndex += 0x200000; \
+			crossed4 = 0; \
+			SSYNC(); \
+		} \
+		if (crossed5) { \
+			*pPORTGIO_CLEAR = PG11; \
+			memIndex += 0x400000; \
+			crossed5 = 0; \
+			SSYNC(); \
+		} \
+	} while (0)
+
+unsigned long flash_init(void)
+{
+	int i = 0;
+	unsigned long memIndex;
+	int crossed4 = 0;
+	int crossed5 = 0;
+
+	if (CONFIG_SYS_MAX_FLASH_BANKS > 1)
+		printf("Only FLASH bank 0 will be used!");
+	flash_info[0].flash_id = FLASH_UNKNOWN;
+	if (get_codes() == MT_MANUFACT_P33)
+		flash_info[0].flash_id = MT_MANUFACT_P33;
+	else if (get_codes() == MT_MANUFACT_P30)
+		flash_info[0].flash_id = MT_MANUFACT_P30;
+	printf("Device ID of the Flash is %lx\n", flash_info[0].flash_id);
+	for (i = 0; i < CONFIG_SYS_MAX_FLASH_SECT; i++)
+		flash_info[0].start[i] =
+		    (CONFIG_SYS_FLASH_BASE + (i * FLASH_SECTOR_SIZE));
+	flash_info[0].size = CONFIG_SYS_FLASH_SIZE;
+	flash_info[0].sector_count = FLASH_TOT_SECT;
+	if (flash_info[0].flash_id == FLASH_UNKNOWN
+	    && CONFIG_SYS_FLASH_SIZE == 0x200000) {
+		printf("## Unknown FLASH on Bank 0\n");
+	} else {
+		printf("Flash Memory Start 0x%x\n", CONFIG_SYS_FLASH_BASE);
+		printf("Memory Map for the Flash\n");
+		printf("0x20000000 - 0x207FFFFF Single Flash Chip (8MB)\n");
+		printf("Using PH9 and PG11 as a 2M bank switch\n");
+		printf
+		    ("Please type command flinfo for information on Sectors\n");
+		*pPORTH_FER &= ~PH9;
+		*pPORTG_FER &= ~PG11;
+		*pPORTHIO_DIR |= PH9;
+		*pPORTGIO_DIR |= PG11;
+		*pPORTHIO_CLEAR = PH9;
+		*pPORTGIO_CLEAR = PG11;
+		SSYNC();
+	}
+
+	/* unlock all flash sectors (default: locked) */
+	memIndex = CONFIG_SYS_FLASH_BASE;
+
+	/* [0...2 MB] */
+	for (; memIndex < 0x20020000; memIndex += 0x4000) {
+		/* first 4 sectors a 32Kbyte */
+		*(volatile unsigned short *)memIndex = 0x0050; /* clear status reg */
+		SSYNC();
+		*(volatile unsigned short *)memIndex = 0x0060;  /* lock setup */
+		SSYNC();
+		*(volatile unsigned short *)memIndex = 0x00d0;  /* lock confirm */
+		SSYNC();
+		*(volatile unsigned short *)memIndex = 0x00ff; /* read array mode */
+		SSYNC();
+	}
+	for (; memIndex < 0x20800000; memIndex += 0x10000) {
+		SWITCH_BANK;
+		*(volatile unsigned short *)memIndex = 0x0050; /* clear status reg */
+		SSYNC();
+		*(volatile unsigned short *)memIndex = 0x0060;  /* lock setup */
+		SSYNC();
+		*(volatile unsigned short *)memIndex = 0x00d0;  /* lock confirm */
+		SSYNC();
+		*(volatile unsigned short *)memIndex = 0x00ff; /* read array mode */
+		SSYNC();
+		SWITCH_BACK;
+	}
+
+	return CONFIG_SYS_FLASH_SIZE;
+}
+
+void flash_print_info(flash_info_t *info)
+{
+	int i;
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf("missing or unknown FLASH type\n");
+		return;
+	}
+
+	switch (info->flash_id) {
+	case MT_MANUFACT_P33:
+		printf("MT_MANUFACT_P33");
+		break;
+	case MT_MANUFACT_P30:
+		printf("MT_MANUFACT_P30");
+		break;
+	default:
+		printf("Unknown Vendor ");
+		break;
+	}
+	for (i = 0; i < info->sector_count; ++i) {
+		if ((i % 5) == 0)
+			printf("\n   ");
+		printf(" %08lX%s",
+		       info->start[i], info->protect[i] ? " (RO)" : "     ");
+	}
+	printf("\n");
+	return;
+}
+
+int flash_erase(flash_info_t *info, int s_first, int s_last)
+{
+	int prot, sect, i;
+
+	prot = 0;
+	for (sect = s_first; sect <= s_last; ++sect) {
+		if (info->protect[sect])
+			prot++;
+	}
+	if (prot)
+		printf("- Warning: %d protected sectors will not be erased!\n",
+		       prot);
+	else
+		printf("\n");
+	printf("Erasing Flash locations, Please Wait\n");
+	for (i = s_first; i <= s_last; i++) {
+		if (info->protect[i] == 0) {	/* not protected */
+			if (erase_block_flash(i, info->start[i]) < 0) {
+				printf("Error Sector erasing\n");
+				return ERR_INVAL;
+			} else {
+				printf("Sector %i erased.\n", i);
+			}
+		}
+	}
+	return ERR_OK;
+}
+
+int write_buff(flash_info_t *info, unsigned char *src, ulong addr, ulong cnt)
+{
+	long i = 0;
+	unsigned long ulOffset = addr - CONFIG_SYS_FLASH_BASE;
+	int nLeftover = cnt % 4;
+	int iSectors = 0;
+	int iFirst_sector = 0;
+	int iProgress = cnt / (4 * 20);
+
+	iFirst_sector = (int)(ulOffset / FLASH_SECTOR_SIZE);
+	for (iSectors = 1; (iSectors * FLASH_SECTOR_SIZE) < cnt; iSectors++) ;
+
+	printf("Bytes for programming: %li\n", cnt);
+	printf("First sector: %d\n", iFirst_sector);
+	printf("Sectors needed:%d\n", iSectors);
+
+	if (iFirst_sector + iSectors > FLASH_TOT_SECT) {
+		printf("Not enough free flash-sectors!\n");
+		return ERR_INVAL;
+	}
+
+	for (i = iFirst_sector; i < (iFirst_sector + iSectors); i++) {
+		if (check_sector(i) == ERR_NOT_ERASED)
+			printf("Sector %ld not erased\n", i);
+		/* return ERR_NOT_ERASED; */
+	}
+
+	printf("[                     ]\n[");
+
+	for (i = 0; (i < cnt / 4); i++) {
+		if ((i % iProgress) == 0)
+			printf(".");
+
+		if (write_flash(ulOffset, (((int *)src)[i])) < 0) {
+			printf("Error programming the flash\n");
+			return ERR_TIMOUT;
+		}
+		ulOffset += 2;
+		if (write_flash(ulOffset, (((int *)src)[i] >> 16)) < 0) {
+			printf("Error programming the flash\n");
+			return ERR_TIMOUT;
+		}
+		ulOffset += 2;
+	}
+	if (nLeftover > 0) {
+		if (write_flash(ulOffset, ((int *)src)[i]) < 0) {
+			printf("Error programming flash\n");
+			return ERR_TIMOUT;
+		}
+	}
+	printf("]\n");
+	return ERR_OK;
+}
+
+/* assumes all bytes to be within a single bank */
+static int read_flash_chunk(char *addr, int size, char *dest)
+{
+	unsigned long memIndex;
+	int crossed4 = 0;
+	int crossed5 = 0;
+
+	memIndex = (unsigned long)addr;
+	SWITCH_BANK;
+	memcpy((void *)dest, (void *)memIndex, size);
+	SWITCH_BACK;
+	return size;
+}
+
+
+/* handles bank switching (we hope) */
+
+int read_flash(char *addr, int size, char *dest)
+{
+	int chunk;
+	int done;
+	chunk = size;
+	done = 0;
+	if (addr < (char *)0x20200000) {
+		if ((addr + size) > (char *)0x20200000) {
+			chunk = (int)((char *)0x20200000 - addr);
+			done = read_flash_chunk(addr, chunk, dest);
+			addr += chunk;
+			dest += chunk;
+			chunk = size - chunk;
+		}
+	}
+	if (addr < (char *)0x20400000) {
+		if ((addr + size) > (char *)0x20400000) {
+			chunk = (int)((char *)0x20400000 - addr);
+			done = read_flash_chunk(addr, chunk, dest);
+			addr += chunk;
+			dest += chunk;
+			chunk = size - chunk;
+		}
+	}
+	if (addr < (char *)0x20600000) {
+		if ((addr + size) > (char *)0x20600000) {
+			chunk = (int)((char *)0x20600000 - addr);
+			done = read_flash_chunk(addr, chunk, dest);
+			addr += chunk;
+			dest += chunk;
+			chunk = size - chunk;
+		}
+	}
+	done += read_flash_chunk(addr, chunk, dest);
+	return done;
+}
+
+static int check_sector(unsigned short usSector)
+{
+	long i = 0;
+	int ret;
+	unsigned short iData;
+	unsigned long memIndex;
+	int crossed4 = 0;
+	int crossed5 = 0;
+
+	printf("Checking sector %d", usSector);
+	memIndex = (unsigned long)(CONFIG_SYS_FLASH_BASE +
+				   (usSector * FLASH_SECTOR_SIZE));
+
+	SWITCH_BANK;
+
+	ret = ERR_OK;
+
+	for (i = 0; i < FLASH_SECTOR_SIZE; i += 2) {
+
+		iData = *(volatile unsigned short *)memIndex;
+		if (iData != 0xFFFF) {
+			ret = ERR_NOT_ERASED;
+			break;
+		}
+		memIndex += 2;
+	}
+
+	SWITCH_BACK;
+
+	if (ret == ERR_OK) {
+		printf(" ... sector empty\n");
+	} else {
+		printf(" ... not empty!\n");
+	}
+	return ret;
+}
+
+static int write_flash(long nOffset, unsigned short nValue)
+{
+
+	unsigned long memIndex;
+	unsigned long nTimeout;
+	unsigned short status;
+	int crossed4 = 0;
+	int crossed5 = 0;
+
+	memIndex = (unsigned long)(CONFIG_SYS_FLASH_BASE + nOffset);
+	SWITCH_BANK;
+
+	*(volatile unsigned short *)memIndex = 0x0050;	/* Reset status register */
+	SSYNC();
+
+	*(volatile unsigned short *)memIndex = 0x0040;
+	SSYNC();
+
+	*(volatile unsigned short *)memIndex = (unsigned short)nValue;
+	SSYNC();
+
+	nTimeout = 0;
+	do {
+		status = *(volatile unsigned short *)memIndex;
+		nTimeout++;
+		SSYNC();
+	}
+	while (((status & 0x0080) == 0x00) && (nTimeout < FLASH_TIMEOUT));
+	if (nTimeout >= FLASH_TIMEOUT)
+		status = 0xff00;
+
+	nTimeout = FLASH_TIMEOUT;
+	do {
+		*(volatile unsigned short *)memIndex = 0xff;	/* Back to "read array mode". */
+		SSYNC();
+		nTimeout--;
+	} while ((*(volatile unsigned short *)memIndex
+		  != (unsigned short)nValue) && (nTimeout > 0));
+	if (!nTimeout)
+		status = 0xee00;
+
+	SWITCH_BACK;
+
+	if (status == 0x0080)
+		return (ERR_OK);
+	else
+		return (ERR_TIMOUT);
+}
+
+static int erase_block_flash(int nBlock, unsigned long address)
+{
+	unsigned long memIndex;
+	unsigned short status;
+	unsigned long nTimeout;
+	int crossed4 = 0;
+	int crossed5 = 0;
+
+	if ((nBlock < 0) || (nBlock >= CONFIG_SYS_MAX_FLASH_SECT)) {
+		printf("Invalid sector number\n");
+		return -1;
+	}
+
+	memIndex = (unsigned long)(address);	/* + CONFIG_SYS_FLASH_BASE); */
+
+	if ( memIndex == 0x20000000 ) {
+
+		SWITCH_BANK;
+
+		for (;(u_long)memIndex < 0x20020000;memIndex+=0x4000) {
+			*(volatile unsigned short *)memIndex = 0x0050;
+			SSYNC();
+
+			*(volatile unsigned short *)memIndex = 0x0020;
+			SSYNC();
+
+			*(volatile unsigned short *)memIndex = 0x00d0;
+			SSYNC();
+
+			nTimeout = 0;
+			do {
+				status = *(volatile unsigned short *)memIndex;
+				SSYNC();
+				nTimeout++;
+			}
+			while (((status & 0x0080) == 0x00) && (nTimeout < FLASH_TIMEOUT));
+			if (nTimeout >= FLASH_TIMEOUT)
+				status = 0xff00;
+
+			*(volatile unsigned short *)memIndex = 0xff;	/* Back to "Read Array Mode" */
+			SSYNC();
+		}
+
+	} else {
+
+		SWITCH_BANK;
+
+		*(volatile unsigned short *)memIndex = 0x0050;
+		SSYNC();
+
+		*(volatile unsigned short *)memIndex = 0x0020;
+		SSYNC();
+
+		*(volatile unsigned short *)memIndex = 0x00d0;
+		SSYNC();
+
+		nTimeout = 0;
+		do {
+			status = *(volatile unsigned short *)memIndex;
+			SSYNC();
+			nTimeout++;
+		}
+		while (((status & 0x0080) == 0x00) && (nTimeout < FLASH_TIMEOUT));
+		if (nTimeout >= FLASH_TIMEOUT)
+			status = 0xff00;
+
+		*(volatile unsigned short *)memIndex = 0xff;	/* Back to "Read Array Mode" */
+		SSYNC();
+
+	}
+
+	SWITCH_BACK;
+
+	if (status == 0xFF00)
+		return -1;
+	else
+		return ERR_OK;
+}
+
+int get_codes()
+{
+	int dev_id = 0;
+	long int manufacturer_id;
+	volatile unsigned short *nFlashAddr;
+
+	nFlashAddr = (unsigned short *)CONFIG_SYS_FLASH_BASE;
+
+	*nFlashAddr = 0x0090;	/* Read identifier command. */
+	SSYNC();
+
+	manufacturer_id = *nFlashAddr;
+	SSYNC();
+	nFlashAddr++;
+	dev_id = *nFlashAddr;
+	SSYNC();
+
+	*nFlashAddr = 0x00ff;	/* Return to read array mode. */
+	SSYNC();
+
+	dev_id = ((manufacturer_id << 16) | dev_id);
+	return dev_id;
+}
+
+int do_ph9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	ushort data;
+	ulong dflg;
+
+	if (argc > 1) {
+		dflg = simple_strtoul(argv[1], NULL, 16);
+		if (dflg > 0) {
+			*pPORTHIO_SET = PH9;
+		} else {
+			*pPORTHIO_CLEAR = PH9;
+		}
+	} else {
+		data = *pPORTHIO;
+		printf(" PH9 command argc = %d data %04x\n", argc, data);
+	}
+	return 0;
+}
+
+U_BOOT_CMD(ph9, CONFIG_SYS_MAXARGS, 1, do_ph9,
+	   "ph9\t- set/clear ph9 mem bank switch\n",
+	   "\nph9  1 ...\n" "ph9  0 ...\n");
+
+int do_pg11(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	ushort data;
+	ulong dflg;
+
+	if (argc > 1) {
+		dflg = simple_strtoul(argv[1], NULL, 16);
+		if (dflg > 0) {
+			*pPORTGIO_SET = PG11;
+		} else {
+			*pPORTGIO_CLEAR = PG11;
+		}
+	} else {
+		data = *pPORTGIO;
+		printf(" PG11 command argc = %d data %04x\n", argc, data);
+	}
+	return 0;
+}
+
+U_BOOT_CMD(pg11, CONFIG_SYS_MAXARGS, 1, do_pg11,
+	   "pg11\t- set/clear pg11 mem bank switch\n",
+	   "\npg11  1 ...\n" "pg11  0 ...\n");
+
+int do_readflash(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned long src;
+	unsigned long dest;
+	int size;
+
+	if (argc == 4) {
+		src = simple_strtoul(argv[1], NULL, 16);
+		dest = simple_strtoul(argv[2], NULL, 16);
+		size = simple_strtol(argv[3], NULL, 16);
+		if (src < CONFIG_SYS_FLASH_BASE ||
+		    (src + size) > CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE) {
+			printf("Error: Memory area %#08lx to %#08lx is not in flash.\n",
+			       src, src + size);
+			return 1;
+		}
+		if (dest < CONFIG_SYS_SDRAM_BASE ||
+		    (dest + size) > CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_MAX_RAM_SIZE) {
+			printf("Error: Memory area %#08lx to %#08lx is not in RAM.\n",
+			       dest, dest + size);
+			return 1;
+		}
+		read_flash((char *)src, size, (char *)dest);
+		printf("Done.\n");
+	} else
+		printf("Error: Arguments missing.\n");
+
+	return 0;
+}
+
+U_BOOT_CMD(flread, 4, 0, do_readflash,
+	   "flread  - read from flash\n",
+	   "reads flash memory and handles ph9/pg11 bank switching\n\n"
+	   "readflash addr dest length\n"
+	   "  (all arguments in hex)\n");
diff --git a/board/cm-bf527/gpio.c b/board/cm-bf527/gpio.c
new file mode 100644
index 0000000..dcf641b
--- /dev/null
+++ b/board/cm-bf527/gpio.c
@@ -0,0 +1,74 @@
+/*
+ * Control GPIO pins on the fly
+ *
+ * Copyright (c) 2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <command.h>
+
+#include <asm/blackfin.h>
+
+int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	if (argc != 3) {
+ show_usage:
+		printf("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	/* parse the behavior */
+	ulong port_cmd = 0;
+	switch (argv[1][0]) {
+		case 'i': break;
+		case 's': port_cmd = (PORTFIO_SET - PORTFIO); break;
+		case 'c': port_cmd = (PORTFIO_CLEAR - PORTFIO); break;
+		case 't': port_cmd = (PORTFIO_TOGGLE - PORTFIO); break;
+		default:  goto show_usage;
+	}
+
+	/* parse the pin with format: [p]<fgh><#> */
+	const char *str_pin = argv[2];
+
+	/* grab the [p]<fgh> portion */
+	ulong port_base;
+	if (*str_pin == 'p') ++str_pin;
+	switch (*str_pin) {
+		case 'f': port_base = PORTFIO; break;
+		case 'g': port_base = PORTGIO; break;
+		case 'h': port_base = PORTHIO; break;
+		default:  goto show_usage;
+	}
+
+	/* grab the <#> portion */
+	ulong pin = simple_strtoul(str_pin+1, NULL, 10);
+	ulong pin_mask = (1 << pin);
+	if (pin > 15)
+		goto show_usage;
+
+	/* finally, let's do it: set direction and exec command */
+	switch (*str_pin) {
+		case 'f': bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~pin_mask); break;
+		case 'g': bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~pin_mask); break;
+		case 'h': bfin_write_PORTH_FER(bfin_read_PORTH_FER() & ~pin_mask); break;
+	}
+
+	ulong port_dir = port_base + (PORTFIO_DIR - PORTFIO);
+	if (argv[1][0] == 'i')
+		bfin_write16(port_dir, bfin_read16(port_dir) & ~pin_mask);
+	else {
+		bfin_write16(port_dir, bfin_read16(port_dir) | pin_mask);
+		bfin_write16(port_base + port_cmd, pin_mask);
+	}
+
+	printf("gpio: pin %li on port %c has been %c\n", pin, *str_pin, argv[1][0]);
+
+	return 0;
+}
+
+U_BOOT_CMD(gpio, 3, 0, do_gpio,
+	"gpio    - set/clear/toggle gpio output pins\n",
+	"<s|c|t> <port><pin>\n"
+	"    - set/clear/toggle the specified pin\n");
diff --git a/board/cm-bf527/nand.c b/board/cm-bf527/nand.c
new file mode 100644
index 0000000..bce563e
--- /dev/null
+++ b/board/cm-bf527/nand.c
@@ -0,0 +1,2 @@
+/* Share the nand driver */
+#include "../bf548-ezkit/nand.c"
diff --git a/board/cm-bf527/spi_flash.c b/board/cm-bf527/spi_flash.c
new file mode 100644
index 0000000..8784741
--- /dev/null
+++ b/board/cm-bf527/spi_flash.c
@@ -0,0 +1,2 @@
+/* Share the spi flash code */
+#include "../bf537-stamp/spi_flash.c"
diff --git a/board/cm-bf527/u-boot.lds.S b/board/cm-bf527/u-boot.lds.S
new file mode 100644
index 0000000..3e8be35
--- /dev/null
+++ b/board/cm-bf527/u-boot.lds.S
@@ -0,0 +1,124 @@
+/*
+ * U-boot - u-boot.lds.S
+ *
+ * Copyright (c) 2005-2008 Analog Device Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+ *
+ * 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 <asm/blackfin.h>
+#undef ALIGN
+#undef ENTRY
+#undef bfin
+
+/* If we don't actually load anything into L1 data, this will avoid
+ * a syntax error.  If we do actually load something into L1 data,
+ * we'll get a linker memory load error (which is what we'd want).
+ * This is here in the first place so we can quickly test building
+ * for different CPU's which may lack non-cache L1 data.
+ */
+#ifndef L1_DATA_B_SRAM
+# define L1_DATA_B_SRAM      CONFIG_SYS_MONITOR_BASE
+# define L1_DATA_B_SRAM_SIZE 0
+#endif
+
+OUTPUT_ARCH(bfin)
+
+MEMORY
+{
+	ram     : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
+	l1_code : ORIGIN = L1_INST_SRAM,            LENGTH = L1_INST_SRAM_SIZE
+	l1_data : ORIGIN = L1_DATA_B_SRAM,          LENGTH = L1_DATA_B_SRAM_SIZE
+}
+
+ENTRY(_start)
+SECTIONS
+{
+	.text :
+	{
+		cpu/blackfin/start.o (.text .text.*)
+		__initcode_start = .;
+		cpu/blackfin/initcode.o (.text .text.*)
+		__initcode_end = .;
+		*(.text .text.*)
+	} >ram
+
+	.rodata :
+	{
+		. = ALIGN(4);
+		*(.rodata .rodata.*)
+		*(.rodata1)
+		*(.eh_frame)
+		. = ALIGN(4);
+	} >ram
+
+	.data :
+	{
+		. = ALIGN(256);
+		*(.data .data.*)
+		*(.data1)
+		*(.sdata)
+		*(.sdata2)
+		*(.dynamic)
+		CONSTRUCTORS
+	} >ram
+
+	.u_boot_cmd :
+	{
+		___u_boot_cmd_start = .;
+		*(.u_boot_cmd)
+		___u_boot_cmd_end = .;
+	} >ram
+
+	.text_l1 :
+	{
+		. = ALIGN(4);
+		__stext_l1 = .;
+		*(.l1.text)
+		. = ALIGN(4);
+		__etext_l1 = .;
+	} >l1_code AT>ram
+	__stext_l1_lma = LOADADDR(.text_l1);
+
+	.data_l1 :
+	{
+		. = ALIGN(4);
+		__sdata_l1 = .;
+		*(.l1.data)
+		*(.l1.bss)
+		. = ALIGN(4);
+		__edata_l1 = .;
+	} >l1_data AT>ram
+	__sdata_l1_lma = LOADADDR(.data_l1);
+
+	.bss :
+	{
+		. = ALIGN(4);
+		__bss_start = .;
+		*(.sbss) *(.scommon)
+		*(.dynbss)
+		*(.bss .bss.*)
+		*(COMMON)
+		__bss_end = .;
+	} >ram
+}
diff --git a/include/configs/cm-bf527.h b/include/configs/cm-bf527.h
new file mode 100644
index 0000000..65c976c
--- /dev/null
+++ b/include/configs/cm-bf527.h
@@ -0,0 +1,144 @@
+/*
+ * U-boot - Configuration file for CM-BF527 board
+ */
+
+#ifndef __CONFIG_CM_BF527_H__
+#define __CONFIG_CM_BF527_H__
+
+#include <asm/blackfin-config-pre.h>
+
+
+/*
+ * Processor Settings
+ */
+#define CONFIG_BFIN_CPU             bf527-0.0
+#define CONFIG_BFIN_BOOT_MODE       BFIN_BOOT_PARA
+
+
+/*
+ * Clock Settings
+ *	CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
+ *	SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
+ */
+/* CONFIG_CLKIN_HZ is any value in Hz					*/
+#define CONFIG_CLKIN_HZ			25000000
+/* CLKIN_HALF controls the DF bit in PLL_CTL      0 = CLKIN		*/
+/*                                                1 = CLKIN / 2		*/
+#define CONFIG_CLKIN_HALF		0
+/* PLL_BYPASS controls the BYPASS bit in PLL_CTL  0 = do not bypass	*/
+/*                                                1 = bypass PLL	*/
+#define CONFIG_PLL_BYPASS		0
+/* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL		*/
+/* Values can range from 0-63 (where 0 means 64)			*/
+#define CONFIG_VCO_MULT			21
+/* CCLK_DIV controls the core clock divider				*/
+/* Values can be 1, 2, 4, or 8 ONLY					*/
+#define CONFIG_CCLK_DIV			1
+/* SCLK_DIV controls the system clock divider				*/
+/* Values can range from 1-15						*/
+#define CONFIG_SCLK_DIV			4
+
+
+/*
+ * Memory Settings
+ */
+#define CONFIG_MEM_ADD_WDTH	9
+#define CONFIG_MEM_SIZE		32
+
+#define CONFIG_EBIU_SDRRC_VAL	0x3f8
+#define CONFIG_EBIU_SDGCTL_VAL	0x9111cd
+
+#define CONFIG_EBIU_AMGCTL_VAL	(AMBEN_ALL)
+#define CONFIG_EBIU_AMBCTL0_VAL	(B1WAT_7 | B1RAT_11 | B1HT_2 | B1ST_3 | B0WAT_7 | B0RAT_11 | B0HT_2 | B0ST_3)
+#define CONFIG_EBIU_AMBCTL1_VAL	(B3WAT_7 | B3RAT_11 | B3HT_2 | B3ST_3 | B2WAT_7 | B2RAT_11 | B2HT_2 | B2ST_3)
+
+#define CONFIG_SYS_MONITOR_LEN	(256 * 1024)
+#define CONFIG_SYS_MALLOC_LEN	(128 * 1024)
+
+
+/*
+ * NAND Settings
+ * (can't be used sametime as ethernet)
+ */
+/* #define CONFIG_BFIN_NFC */
+#ifdef CONFIG_BFIN_NFC
+#define CONFIG_BFIN_NFC_CTL_VAL	0x0033
+#define CONFIG_SYS_NAND_BASE		0 /* not actually used */
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define NAND_MAX_CHIPS		1
+#define CONFIG_CMD_NAND
+#endif
+
+
+/*
+ * Network Settings
+ */
+#if !defined(__ADSPBF522__) && !defined(__ADSPBF523__) && \
+    !defined(__ADSPBF524__) && !defined(__ADSPBF525__) && !defined(CONFIG_BFIN_NFC)
+#define ADI_CMDS_NETWORK	1
+#define CONFIG_BFIN_MAC
+#define CONFIG_RMII
+#define CONFIG_NETCONSOLE	1
+#define CONFIG_NET_MULTI	1
+#endif
+#define CONFIG_HOSTNAME		cm-bf527
+/* Uncomment next line to use fixed MAC address */
+/* #define CONFIG_ETHADDR	02:80:ad:20:31:e8 */
+
+
+/*
+ * Flash Settings
+ */
+#define CONFIG_SYS_FLASH_BASE		0x20000000
+#define CONFIG_SYS_FLASH_CFI		/* The flash is CFI compatible */
+#define FLASH_TOT_SECT		64
+#define CONFIG_SYS_FLASH_SIZE		0x800000
+#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */
+#define CONFIG_SYS_MAX_FLASH_SECT 64
+
+#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER)
+#define CONFIG_ENV_IS_IN_EEPROM	1
+#define CONFIG_ENV_OFFSET	0x4000
+#define CONFIG_ENV_SIZE		0x2000
+#define CONFIG_ENV_SECT_SIZE	0x20000	/* Total Size of Environment Sector */
+#else
+#define CONFIG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_ADDR		0x20008000
+#define CONFIG_ENV_OFFSET	0x8000
+#define CONFIG_ENV_SIZE		0x8000
+#endif
+#define ENV_IS_EMBEDDED_CUSTOM
+
+/* CONFIG_SPI_BAUD controls the SPI peripheral clock divider		*/
+/* Values can range from 2-65535					*/
+/* SCK Frequency = SCLK / (2 * CONFIG_SPI_BAUD)				*/
+#define CONFIG_SPI
+#define CONFIG_SPI_BAUD			2
+#define CONFIG_SYS_I2C_FRAM
+
+
+/*
+ * I2C Settings
+ */
+#define CONFIG_BFIN_TWI_I2C	1
+#define CONFIG_HARD_I2C		1
+#define CONFIG_SYS_I2C_SPEED	50000
+#define CONFIG_SYS_I2C_SLAVE	0
+
+
+/*
+ * Misc Settings
+ */
+#define CONFIG_BAUDRATE		115200
+#define CONFIG_RTC_BFIN
+#define CONFIG_UART_CONSOLE	0
+
+
+/*
+ * Pull in common ADI header for remaining command/environment setup
+ */
+#include <configs/bfin_adi_common.h>
+
+#include <asm/blackfin-config-post.h>
+
+#endif
-- 
1.6.1.2



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