diff options
| -rw-r--r-- | CHANGELOG | 2 | ||||
| -rwxr-xr-x | MAKEALL | 2 | ||||
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | board/m5271evb/Makefile | 40 | ||||
| -rw-r--r-- | board/m5271evb/config.mk | 25 | ||||
| -rw-r--r-- | board/m5271evb/m5271evb.c | 125 | ||||
| -rw-r--r-- | board/m5271evb/u-boot.lds | 145 | ||||
| -rw-r--r-- | common/environment.c | 3 | ||||
| -rw-r--r-- | include/configs/M5271EVB.h | 154 |
9 files changed, 497 insertions, 2 deletions
@@ -2,6 +2,8 @@ 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. @@ -277,7 +277,7 @@ LIST_microblaze="suzaku" ## ColdFire Systems ######################################################################### -LIST_coldfire="cobra5272 M5272C3 M5282EVB TASREG r5200" +LIST_coldfire="cobra5272 M5272C3 M5282EVB TASREG r5200 M5271EVB" #----------------------------------------------------------------------- @@ -1318,6 +1318,9 @@ TASREG_config : unconfig r5200_config : unconfig @./mkconfig $(@:_config=) m68k mcf52x2 r5200 +M5271EVB_config : unconfig + @./mkconfig $(@:_config=) m68k mcf52x2 m5271evb + ######################################################################### ## MPC83xx Systems ######################################################################### diff --git a/board/m5271evb/Makefile b/board/m5271evb/Makefile new file mode 100644 index 0000000..34de983 --- /dev/null +++ b/board/m5271evb/Makefile @@ -0,0 +1,40 @@ +# +# (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 + +######################################################################### diff --git a/board/m5271evb/config.mk b/board/m5271evb/config.mk new file mode 100644 index 0000000..9a7af7c --- /dev/null +++ b/board/m5271evb/config.mk @@ -0,0 +1,25 @@ +# +# (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 diff --git a/board/m5271evb/m5271evb.c b/board/m5271evb/m5271evb.c new file mode 100644 index 0000000..d364bd6 --- /dev/null +++ b/board/m5271evb/m5271evb.c @@ -0,0 +1,125 @@ +/* + * (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); +} diff --git a/board/m5271evb/u-boot.lds b/board/m5271evb/u-boot.lds new file mode 100644 index 0000000..69f3179 --- /dev/null +++ b/board/m5271evb/u-boot.lds @@ -0,0 +1,145 @@ +/* + * (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 = .); +} diff --git a/common/environment.c b/common/environment.c index c7f54c6..81471ce 100644 --- a/common/environment.c +++ b/common/environment.c @@ -59,7 +59,8 @@ 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"))) diff --git a/include/configs/M5271EVB.h b/include/configs/M5271EVB.h new file mode 100644 index 0000000..3935f56 --- /dev/null +++ b/include/configs/M5271EVB.h @@ -0,0 +1,154 @@ +/* + * 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 */ |