[U-Boot] [PATCH 38/42] Blackfin: bf537-pnav: new board port
Mike Frysinger
vapier at gentoo.org
Tue Feb 10 07:21:16 CET 2009
Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
MAINTAINERS | 1 +
MAKEALL | 1 +
Makefile | 3 +-
board/bf537-pnav/.gitignore | 1 +
board/bf537-pnav/Makefile | 59 +++++++++
board/bf537-pnav/bf537-pnav.c | 43 +++++++
board/bf537-pnav/config.mk | 32 +++++
board/bf537-pnav/nand.c | 100 +++++++++++++++
board/bf537-pnav/spi_flash.c | 2 +
board/bf537-pnav/u-boot.lds.S | 143 ++++++++++++++++++++++
include/configs/bf537-pnav.h | 271 +++++++++++++++++++++++++++++++++++++++++
11 files changed, 655 insertions(+), 1 deletions(-)
create mode 100644 board/bf537-pnav/.gitignore
create mode 100644 board/bf537-pnav/Makefile
create mode 100644 board/bf537-pnav/bf537-pnav.c
create mode 100644 board/bf537-pnav/config.mk
create mode 100644 board/bf537-pnav/nand.c
create mode 100644 board/bf537-pnav/spi_flash.c
create mode 100644 board/bf537-pnav/u-boot.lds.S
create mode 100644 include/configs/bf537-pnav.h
diff --git a/MAINTAINERS b/MAINTAINERS
index f56fccf..5a790e0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -850,6 +850,7 @@ Blackfin Team <u-boot-devel at blackfin.uclinux.org>
BF527-EZKIT BF527
BF533-EZKIT BF533
BF533-STAMP BF533
+ BF537-PNAV BF537
BF537-STAMP BF537
BF538F-EZKIT BF538
BF548-EZKIT BF548
diff --git a/MAKEALL b/MAKEALL
index 362730a..6fe71aa 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -785,6 +785,7 @@ LIST_blackfin=" \
bf527-ezkit \
bf533-ezkit \
bf533-stamp \
+ bf537-pnav \
bf537-stamp \
bf538f-ezkit \
bf548-ezkit \
diff --git a/Makefile b/Makefile
index 8fbc58f..8c1e1f7 100644
--- a/Makefile
+++ b/Makefile
@@ -3290,7 +3290,7 @@ suzaku_config: unconfig
# Analog Devices boards
BFIN_BOARDS = bf518f-ezbrd bf526-ezbrd bf527-ezkit bf533-ezkit bf533-stamp \
- bf537-stamp bf538f-ezkit bf548-ezkit bf561-ezkit
+ bf537-pnav bf537-stamp bf538f-ezkit bf548-ezkit bf561-ezkit
# Bluetechnix tinyboards
BFIN_BOARDS += cm-bf527 cm-bf533 cm-bf537e cm-bf548 cm-bf561 tcm-bf537
@@ -3458,6 +3458,7 @@ clean:
$(obj)board/{integratorap,integratorcp}/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)board/bf537-pnav/u-boot.lds \
$(obj)cpu/blackfin/bootrom-asm-offsets.[chs]
@rm -f $(obj)include/bmp_logo.h
@rm -f $(obj)nand_spl/{u-boot-spl,u-boot-spl.map,System.map}
diff --git a/board/bf537-pnav/.gitignore b/board/bf537-pnav/.gitignore
new file mode 100644
index 0000000..945f324
--- /dev/null
+++ b/board/bf537-pnav/.gitignore
@@ -0,0 +1 @@
+/u-boot.lds
diff --git a/board/bf537-pnav/Makefile b/board/bf537-pnav/Makefile
new file mode 100644
index 0000000..e6077b4
--- /dev/null
+++ b/board/bf537-pnav/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 := $(BOARD).o
+COBJS-$(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/bf537-pnav/bf537-pnav.c b/board/bf537-pnav/bf537-pnav.c
new file mode 100644
index 0000000..3d6ef47
--- /dev/null
+++ b/board/bf537-pnav/bf537-pnav.c
@@ -0,0 +1,43 @@
+/*
+ * 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 <command.h>
+#include <netdev.h>
+#include <asm/blackfin.h>
+#include <asm/net.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ printf("Board: ADI BF537 PNAV board\n");
+ printf(" Support: http://blackfin.uclinux.org/\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)
+{
+ 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/bf537-pnav/config.mk b/board/bf537-pnav/config.mk
new file mode 100644
index 0000000..f4a5a80
--- /dev/null
+++ b/board/bf537-pnav/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/bf537-pnav/nand.c b/board/bf537-pnav/nand.c
new file mode 100644
index 0000000..181e83d
--- /dev/null
+++ b/board/bf537-pnav/nand.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2006-2007 Analog Devices Inc.
+ *
+ * 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 <asm/io.h>
+
+#include <nand.h>
+
+#define CONCAT(a,b,c,d) a ## b ## c ## d
+#define PORT(a,b) CONCAT(pPORT,a,b,)
+
+#ifndef CONFIG_NAND_GPIO_PORT
+#define CONFIG_NAND_GPIO_PORT F
+#endif
+
+/*
+ * hardware specific access to control-lines
+ */
+static void bfin_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ register struct nand_chip *this = mtd->priv;
+ u32 IO_ADDR_W = (u32) this->IO_ADDR_W;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ if (ctrl & NAND_CLE)
+ IO_ADDR_W = CONFIG_SYS_NAND_BASE + BFIN_NAND_CLE;
+ else
+ IO_ADDR_W = CONFIG_SYS_NAND_BASE;
+ if (ctrl & NAND_ALE)
+ IO_ADDR_W = CONFIG_SYS_NAND_BASE + BFIN_NAND_ALE;
+ else
+ IO_ADDR_W = CONFIG_SYS_NAND_BASE;
+ this->IO_ADDR_W = (void __iomem *) IO_ADDR_W;
+ }
+ this->IO_ADDR_R = this->IO_ADDR_W;
+
+ /* Drain the writebuffer */
+ SSYNC();
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, this->IO_ADDR_W);
+}
+
+int bfin_device_ready(struct mtd_info *mtd)
+{
+ int ret = (*PORT(CONFIG_NAND_GPIO_PORT, IO) & BFIN_NAND_READY) ? 1 : 0;
+ SSYNC();
+ return ret;
+}
+
+/*
+ * Board-specific NAND initialization. The following members of the
+ * argument are board-specific (per include/linux/mtd/nand.h):
+ * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device
+ * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device
+ * - cmd_ctrl: hardwarespecific function for accesing control-lines
+ * - dev_ready: hardwarespecific function for accesing device ready/busy line
+ * - enable_hwecc?: function to enable (reset) hardware ecc generator. Must
+ * only be provided if a hardware ECC is available
+ * - ecc.mode: mode of ecc, see defines
+ * - chip_delay: chip dependent delay for transfering data from array to
+ * read regs (tR)
+ * - options: various chip options. They can partly be set to inform
+ * nand_scan about special functionality. See the defines for further
+ * explanation
+ * Members with a "?" were not set in the merged testing-NAND branch,
+ * so they are not set here either.
+ */
+int board_nand_init(struct nand_chip *nand)
+{
+ *PORT(CONFIG_NAND_GPIO_PORT, _FER) &= ~BFIN_NAND_READY;
+ *PORT(CONFIG_NAND_GPIO_PORT, IO_DIR) &= ~BFIN_NAND_READY;
+ *PORT(CONFIG_NAND_GPIO_PORT, IO_INEN) |= BFIN_NAND_READY;
+
+ nand->cmd_ctrl = bfin_hwcontrol;
+ nand->ecc.mode = NAND_ECC_SOFT;
+ nand->dev_ready = bfin_device_ready;
+ nand->chip_delay = 30;
+
+ return 0;
+}
diff --git a/board/bf537-pnav/spi_flash.c b/board/bf537-pnav/spi_flash.c
new file mode 100644
index 0000000..8784741
--- /dev/null
+++ b/board/bf537-pnav/spi_flash.c
@@ -0,0 +1,2 @@
+/* Share the spi flash code */
+#include "../bf537-stamp/spi_flash.c"
diff --git a/board/bf537-pnav/u-boot.lds.S b/board/bf537-pnav/u-boot.lds.S
new file mode 100644
index 0000000..8ddfa81
--- /dev/null
+++ b/board/bf537-pnav/u-boot.lds.S
@@ -0,0 +1,143 @@
+/*
+ * 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.*)
+
+#ifdef ENV_IS_EMBEDDED
+ /* WARNING - the following is hand-optimized to fit within
+ * the sector before the environment sector. If it throws
+ * an error during compilation remove an object here to get
+ * it linked after the configuration sector.
+ */
+
+ cpu/blackfin/traps.o (.text .text.*)
+ cpu/blackfin/interrupt.o (.text .text.*)
+ cpu/blackfin/serial.o (.text .text.*)
+ common/dlmalloc.o (.text .text.*)
+ lib_generic/crc32.o (.text .text.*)
+
+ . = DEFINED(env_offset) ? env_offset : .;
+ common/env_embedded.o (.text .text.*)
+#endif
+
+ __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/bf537-pnav.h b/include/configs/bf537-pnav.h
new file mode 100644
index 0000000..6ecf15f
--- /dev/null
+++ b/include/configs/bf537-pnav.h
@@ -0,0 +1,271 @@
+/*
+ * U-boot - Configuration file for BF537 PNAV board
+ */
+
+#ifndef __CONFIG_BF537_PNAV_H__
+#define __CONFIG_BF537_PNAV_H__
+
+#include <asm/blackfin-config-pre.h>
+
+#define CONFIG_BFIN_CPU bf537-0.2
+#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_SPI_MASTER
+
+#define CONFIG_SYS_LONGHELP 1
+#define CONFIG_CMDLINE_EDITING 1
+#define CONFIG_ENV_OVERWRITE 1
+#define CONFIG_BAUDRATE 115200
+
+#ifndef __ADSPBF534__
+#define CONFIG_BFIN_MAC
+#define CONFIG_RMII
+#define CONFIG_NET_MULTI 1
+#endif
+
+#define CONFIG_DCACHE_OFF
+#define CONFIG_ICACHE_OFF
+
+/* Set default serial console for bf537 */
+#define CONFIG_UART_CONSOLE 0
+
+#define CONFIG_RTC_BFIN 1
+#define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */
+
+/* CONFIG_CLKIN_HZ is any value in Hz */
+#define CONFIG_CLKIN_HZ 24576000
+/* CONFIG_CLKIN_HALF controls what is passed to PLL 0=CLKIN */
+/* 1=CLKIN/2 */
+#define CONFIG_CLKIN_HALF 0
+/* CONFIG_PLL_BYPASS controls if the PLL is used 0=don't bypass */
+/* 1=bypass PLL */
+#define CONFIG_PLL_BYPASS 0
+/* CONFIG_VCO_MULT controls what the multiplier of the PLL is. */
+/* Values can range from 1-64 */
+#define CONFIG_VCO_MULT 20
+/* CONFIG_CCLK_DIV controls what the core clock divider is */
+/* Values can be 1, 2, 4, or 8 ONLY */
+#define CONFIG_CCLK_DIV 1
+/* CONFIG_SCLK_DIV controls what the peripheral clock divider is */
+/* Values can range from 1-15 */
+#define CONFIG_SCLK_DIV 4
+/* 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_BAUD 2
+
+#define CONFIG_LOADS_ECHO 1
+
+#define CONFIG_SYS_AUTOLOAD "no" /*rarpb, bootp or dhcp commands will perform only a */
+ /* configuration lookup from the BOOTP/DHCP server, */
+ /* but not try to load any image using TFTP */
+
+/*
+ * Network Settings
+ */
+/* network support */
+#ifdef CONFIG_BFIN_MAC
+#define CONFIG_IPADDR 192.168.0.15
+#define CONFIG_NETMASK 255.255.255.0
+#define CONFIG_GATEWAYIP 192.168.0.1
+#define CONFIG_SERVERIP 192.168.0.2
+#define CONFIG_HOSTNAME bf537-pnav
+#endif
+
+#define CONFIG_ROOTPATH /romfs
+/* Uncomment next line to use fixed MAC address */
+#define CONFIG_ETHADDR 02:80:ad:24:21:18
+/* This is the routine that copies the MAC in Flash to the 'ethaddr' setting */
+
+#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_UART)
+# define CONFIG_BOOTDELAY -1
+#else
+# define CONFIG_BOOTDELAY 5
+#endif
+
+#define CONFIG_SYS_LONGHELP 1
+#define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */
+#define CONFIG_BOOTCOMMAND "run ramboot"
+
+#define CONFIG_BF537_NAND /* Add nand flash support */
+
+#include <config_cmd_default.h>
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_EEPROM
+#undef CONFIG_CMD_IMI
+#define CONFIG_CMD_JFFS2
+#undef CONFIG_CMD_LOADB
+#undef CONFIG_CMD_LOADS
+#define CONFIG_CMD_NAND
+#undef CONFIG_CMD_NFS
+#ifndef CONFIG_BFIN_MAC
+#undef CONFIG_CMD_NET
+#endif
+
+#define CONFIG_BOOTARGS "root=/dev/mtdblock1 rw rootfstype=yaffs"
+#define CONFIG_LOADADDR 0x1000000
+
+#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS)
+# define BOOT_ENV_SETTINGS \
+ "update=tftpboot $(loadaddr) u-boot.bin;" \
+ "protect off 0x20000000 0x2003FFFF;" \
+ "erase 0x20000000 0x2003FFFF;cp.b 0x1000000 0x20000000 $(filesize)\0"
+#elif (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER)
+# define BOOT_ENV_SETTINGS \
+ "update=tftpboot $(loadaddr) u-boot.ldr;" \
+ "eeprom write $(loadaddr) 0x0 $(filesize);\0"
+#else
+# define BOOT_ENV_SETTINGS
+#endif
+#ifdef CONFIG_BFIN_MAC
+# define NETWORK_ENV_SETTINGS \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=$(serverip):$(rootpath)\0" \
+ "addip=setenv bootargs $(bootargs) " \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
+ ":$(hostname):eth0:off\0" \
+ "ramboot=tftpboot $(loadaddr) linux;" \
+ "run ramargs;run addip;bootelf\0" \
+ "nfsboot=tftpboot $(loadaddr) linux;" \
+ "run nfsargs;run addip;bootelf\0"
+#else
+# define NETWORK_ENV_SETTINGS
+#endif
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ NETWORK_ENV_SETTINGS \
+ "ramargs=setenv bootargs root=/dev/mtdblock0 rw\0" \
+ "flashboot=bootm 0x20100000\0" \
+ "nandboot=nand read $(loadaddr) 0x20000 0x100000;bootm $(loadaddr)" \
+ BOOT_ENV_SETTINGS
+
+#define CONFIG_SYS_PROMPT "bfin> "
+
+#ifdef CONFIG_CMD_KGDB
+#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
+#define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
+#define CONFIG_SYS_MEMTEST_END 0x03F00000 /* 1 ... 63 MB in DRAM */
+#define CONFIG_SYS_LOAD_ADDR 0x01000000 /* default load address */
+#define CONFIG_SYS_HZ 1000 /* decrementer freq: 10 ms ticks */
+#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+#define CONFIG_SYS_SDRAM_BASE 0x00000000
+#define CONFIG_MEM_SIZE 64 /* 128, 64, 32, 16 */
+#define CONFIG_SYS_MAX_RAM_SIZE 0x04000000
+
+#define CONFIG_SYS_FLASH_BASE 0x20000000
+#define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */
+#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */
+
+#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
+#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
+#define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
+#define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - CONFIG_SYS_GBL_DATA_SIZE)
+#define CONFIG_STACKBASE (CONFIG_SYS_GBL_DATA_ADDR - 4)
+
+#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
+
+#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS) || (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_UART)
+#define ENV_IS_EMBEDDED
+#define CONFIG_ENV_IS_IN_FLASH 1
+#define CONFIG_ENV_ADDR 0x20004000
+#define CONFIG_ENV_OFFSET 0x4000
+#elif (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER)
+#define ENV_IS_EMBEDDED_CUSTOM
+#define CONFIG_ENV_IS_IN_EEPROM 1
+#define CONFIG_ENV_OFFSET 0x4000
+#endif
+#define CONFIG_ENV_SIZE 0x1000
+#define CONFIG_ENV_SECT_SIZE 0x2000 /* Total Size of Environment Sector */
+
+/* JFFS Partition offset set */
+#define CONFIG_SYS_JFFS2_FIRST_BANK 0
+#define CONFIG_SYS_JFFS2_NUM_BANKS 1
+/* 512k reserved for u-boot */
+#define CONFIG_SYS_JFFS2_FIRST_SECTOR 15
+
+
+#define FLASH_TOT_SECT 71
+
+
+/*
+ * Serial Flash Infomation
+ */
+ /* NAME Sector Size Sectors
+ * m25p05 32 * 1024 2
+ * m25p10 32 * 1024 4
+ * m25p20 64 * 1024 4
+ * m25p40 64 * 1024 8
+ * m25p80 64 * 1024 16
+ * m25p16 64 * 1024 32
+ * m25p32 64 * 1024 64
+ * m25p64 64 * 1024 128
+ * m25p128 256 * 1024 64
+ */
+
+#define CONFIG_SPI
+#define CONFIG_SYS_I2C_FRAM
+
+/*
+ * Board NAND Infomation
+ */
+
+#define CONFIG_SYS_NAND_ADDR 0x20100000
+#define CONFIG_SYS_NAND_BASE CONFIG_SYS_NAND_ADDR
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define SECTORSIZE 512
+#define ADDR_COLUMN 1
+#define ADDR_PAGE 2
+#define ADDR_COLUMN_PAGE 3
+#define NAND_ChipID_UNKNOWN 0x00
+#define NAND_MAX_FLOORS 1
+#define NAND_MAX_CHIPS 1
+#define BFIN_NAND_READY PF12
+
+#define CONFIG_NAND_GPIO_PORT H
+
+#define NAND_WAIT_READY(nand) \
+ do { \
+ int timeout = 0; \
+ while(!(*pPORTHIO & BFIN_NAND_READY)) \
+ if (timeout++ > 100000) \
+ break; \
+ } while (0)
+
+#define BFIN_NAND_CLE (1<<2) /* A2 -> Command Enable */
+#define BFIN_NAND_ALE (1<<1) /* A1 -> Address Enable */
+
+#define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | BFIN_NAND_CLE) = (__u8)(d); } while(0)
+#define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | BFIN_NAND_ALE) = (__u8)(d); } while(0)
+#define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0)
+#define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr))
+
+/*
+ * Initialize PSD4256 registers for using I2C
+ */
+
+#define CONFIG_SYS_BOOTM_LEN 0x4000000 /* Large Image Length, set to 64 Meg */
+
+/*
+ * 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
+
+#define CONFIG_EBIU_SDRRC_VAL 0x3b7
+#define CONFIG_EBIU_SDGCTL_VAL 0x9111cd
+#define CONFIG_EBIU_SDBCTL_VAL 0x25
+
+#define CONFIG_EBIU_AMGCTL_VAL 0xFF
+#define CONFIG_EBIU_AMBCTL0_VAL 0x7BB033B0
+#define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
+
+#include <asm/blackfin-config-post.h>
+
+#endif
--
1.6.1.2
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