Changes since U-Boot 1.1.4:
======================================================================
+* Add M5271EVB board support.
+
* Make R5200 specific low level initialization board conditional.
* Update CPU target identification strings for Coldfire family.
## ColdFire Systems
#########################################################################
-LIST_coldfire="cobra5272 M5272C3 M5282EVB TASREG r5200"
+LIST_coldfire="cobra5272 M5272C3 M5282EVB TASREG r5200 M5271EVB"
#-----------------------------------------------------------------------
r5200_config : unconfig
@./mkconfig $(@:_config=) m68k mcf52x2 r5200
+M5271EVB_config : unconfig
+ @./mkconfig $(@:_config=) m68k mcf52x2 m5271evb
+
#########################################################################
## MPC83xx Systems
#########################################################################
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@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 $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS = $(BOARD).o
+
+$(LIB): .depend $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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
+#
+
+TEXT_BASE = 0xffe00000
--- /dev/null
+/*
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@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 <common.h>
+#include <asm/m5271.h>
+#include <asm/immap_5271.h>
+
+int checkboard (void) {
+ puts ("Board: Freescale M5271EVB\n");
+ return 0;
+};
+
+long int initdram (int board_type) {
+
+ int i;
+
+ /* Enable Address lines 23-21 and lower 16bits of data path */
+ mbar_writeByte(MCF_GPIO_PAR_AD, MCF_GPIO_AD_ADDR23 |
+ MCF_GPIO_AD_ADDR22 | MCF_GPIO_AD_ADDR21 |
+ MCF_GPIO_AD_DATAL);
+
+ /* Set CS2 pin to be SD_CS0 */
+ mbar_writeByte(MCF_GPIO_PAR_CS, mbar_readByte(MCF_GPIO_PAR_CS)
+ | MCF_GPIO_PAR_CS_PAR_CS2);
+
+ /* Configure SDRAM Control Pin Assignemnt Register */
+ mbar_writeByte(MCF_GPIO_PAR_SDRAM, MCF_GPIO_SDRAM_CSSDCS_00 |
+ MCF_GPIO_SDRAM_SDWE | MCF_GPIO_SDRAM_SCAS |
+ MCF_GPIO_SDRAM_SRAS | MCF_GPIO_SDRAM_SCKE |
+ MCF_GPIO_SDRAM_SDCS_11);
+
+ /*
+ * Check to see if the SDRAM has already been initialized
+ * by a run control tool
+ */
+ if (!(mbar_readLong(MCF_SDRAMC_DACR0) & MCF_SDRAMC_DACRn_RE))
+ {
+ /* Initialize DRAM Control Register: DCR */
+ mbar_writeShort(MCF_SDRAMC_DCR,
+ MCF_SDRAMC_DCR_RTIM(0x01)
+ | MCF_SDRAMC_DCR_RC(0x30));
+
+ /*
+ * Initialize DACR0
+ *
+ * CASL: 01
+ * CBM: cmd at A20, bank select bits 21 and up
+ * PS: 32bit port size
+ */
+ mbar_writeLong(MCF_SDRAMC_DACR0,
+ MCF_SDRAMC_DACRn_BA(CFG_SDRAM_BASE>>18)
+ | MCF_SDRAMC_DACRn_CASL(1)
+ | MCF_SDRAMC_DACRn_CBM(3)
+ | MCF_SDRAMC_DACRn_PS(0));
+
+ /* Initialize DMR0 */
+ mbar_writeLong(MCF_SDRAMC_DMR0,
+ MCF_SDRAMC_DMRn_BAM_16M
+ | MCF_SDRAMC_DMRn_V);
+
+ /* Set IP bit in DACR */
+ mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+ | MCF_SDRAMC_DACRn_IP);
+
+ /* Wait at least 20ns to allow banks to precharge */
+ for (i = 0; i < 5; i++)
+ asm(" nop");
+
+ /* Write to this block to initiate precharge */
+ *(u32 *)(CFG_SDRAM_BASE) = 0xa5a5a5a5;
+
+ /* Set RE bit in DACR */
+ mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+ | MCF_SDRAMC_DACRn_RE);
+
+ /* Wait for at least 8 auto refresh cycles to occur */
+ for (i = 0; i < 2000; i++)
+ asm(" nop");
+
+ /* Finish the configuration by issuing the MRS */
+ mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+ | MCF_SDRAMC_DACRn_MRS);
+
+ /*
+ * Write to the SDRAM Mode Register A0-A11 = 0x400
+ *
+ * Write Burst Mode = Programmed Burst Length
+ * Op Mode = Standard Op
+ * CAS Latency = 2
+ * Burst Type = Sequential
+ * Burst Length = 1
+ */
+ *(u32 *)(CFG_SDRAM_BASE + 0x400) = 0xa5a5a5a5;
+ }
+
+ return CFG_SDRAM_SIZE * 1024 * 1024;
+};
+
+int testdram (void) {
+
+ /* TODO: XXX XXX XXX */
+ printf ("DRAM test not implemented!\n");
+
+ return (0);
+}
--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@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
+ */
+
+OUTPUT_ARCH(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+GROUP(libgcc.a)
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mcf52x2/start.o (.text)
+ lib_m68k/traps.o (.text)
+ cpu/mcf52x2/interrupts.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/zlib.o (.text)
+
+ . = DEFINED(env_offset) ? env_offset : .;
+ common/environment.o (.ppcenv)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+
+ .reloc :
+ {
+ __got_start = .;
+ *(.got)
+ __got_end = .;
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ _sbss = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .;
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
defined(CONFIG_TQM8xxL) || \
defined(CONFIG_RRVISION) || \
defined(CONFIG_TRAB) || \
- defined(CONFIG_PPCHAMELEONEVB) ) && \
+ defined(CONFIG_PPCHAMELEONEVB) || \
+ defined(CONFIG_M5271EVB)) && \
defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */
/* XXX - This only works with GNU C */
# define __PPCENV__ __attribute__ ((section(".ppcenv")))
--- /dev/null
+/*
+ * Configuation settings for the Freescale M5271EVB
+ *
+ * Based on MC5272C3 and r5200 board configs
+ * (C) Copyright 2006 Lab X Technologies <zachary.landau@labxtechnologies.com>
+ * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.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
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef _M5271EVB_H
+#define _M5271EVB_H
+
+#define DEBUG
+#undef DEBUG
+
+/*
+ * High Level Configuration Options (easy to change)
+ */
+#define CONFIG_MCF52x2 /* define processor family */
+#define CONFIG_M5271 /* define processor type */
+#define CONFIG_M5271EVB /* define board type */
+
+#define CONFIG_IPADDR 192.168.30.1
+#define CONFIG_SERVERIP 192.168.1.1
+#define CONFIG_ETHADDR 00:06:3b:01:41:55
+
+#define CONFIG_BAUDRATE 19200
+#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
+
+#undef CONFIG_WATCHDOG /* disable watchdog */
+
+/* Configuration for environment
+ * Environment is embedded in u-boot in the second sector of the flash
+ */
+#ifndef CONFIG_MONITOR_IS_IN_RAM
+#define CFG_ENV_OFFSET 0x4000
+#define CFG_ENV_SECT_SIZE 0x2000
+#define CFG_ENV_IS_IN_FLASH 1
+#else
+#define CFG_ENV_ADDR 0xffe04000
+#define CFG_ENV_SECT_SIZE 0x2000
+#define CFG_ENV_IS_IN_FLASH 1
+#endif
+
+#define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_PING | CFG_CMD_NET ) & ~(CFG_CMD_LOADS | CFG_CMD_LOADB))
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CFG_PROMPT "=> "
+#define CFG_LONGHELP /* undef to save memory */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_LOAD_ADDR 0x00100000
+
+#define CFG_MEMTEST_START 0x400
+#define CFG_MEMTEST_END 0x380000
+
+#define CFG_HZ 1000000
+#define CFG_CLK 100000000
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+
+#define CFG_MBAR 0x40000000 /* Register Base Addrs */
+
+/* Enable FEC ethernet */
+#define FEC_ENET
+#define CONFIG_NET_RETRY_COUNT 5
+#define CFG_ENET_BD_BASE 0x480000
+
+/*
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR 0x20000000
+#define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */
+#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+/*
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */
+#define CFG_FLASH_BASE 0xffe00000
+
+#ifdef CONFIG_MONITOR_IS_IN_RAM
+#define CFG_MONITOR_BASE 0x20000
+#else
+#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
+#endif
+
+#define CFG_MONITOR_LEN 0x40000
+#define CFG_MALLOC_LEN (256 << 10)
+#define CFG_BOOTPARAMS_LEN (64*1024)
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization ??
+ */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+
+/* FLASH organization */
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 11 /* max number of sectors on one chip */
+#define CFG_FLASH_ERASE_TOUT 1000
+
+#define CFG_FLASH_CFI 1
+#define CFG_FLASH_CFI_DRIVER 1
+#define CFG_FLASH_SIZE 0x200000
+
+/* Cache Configuration */
+#define CFG_CACHELINE_SIZE 16
+
+/* Port configuration */
+#define CFG_FECI2C 0xF0
+
+#endif /* _M5271EVB_H */
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