diff options
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | board/freescale/m5249evb/Makefile | 44 | ||||
| -rw-r--r-- | board/freescale/m5249evb/config.mk | 25 | ||||
| -rw-r--r-- | board/freescale/m5249evb/m5249evb.c | 114 | ||||
| -rw-r--r-- | board/freescale/m5249evb/u-boot.lds | 146 | ||||
| -rw-r--r-- | include/configs/M5249EVB.h | 195 |
6 files changed, 527 insertions, 0 deletions
@@ -1639,6 +1639,9 @@ ZPC1900_config: unconfig ## Coldfire ######################################################################### +M5249EVB_config : unconfig + @$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5249evb freescale + cobra5272_config : unconfig @$(MKCONFIG) $(@:_config=) m68k mcf52x2 cobra5272 diff --git a/board/freescale/m5249evb/Makefile b/board/freescale/m5249evb/Makefile new file mode 100644 index 0000000..424ab1c --- /dev/null +++ b/board/freescale/m5249evb/Makefile @@ -0,0 +1,44 @@ +# +# (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 = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/m5249evb/config.mk b/board/freescale/m5249evb/config.mk new file mode 100644 index 0000000..ccb2cf7 --- /dev/null +++ b/board/freescale/m5249evb/config.mk @@ -0,0 +1,25 @@ +# +# (C) Copyright 2000-2003 +# 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/freescale/m5249evb/m5249evb.c b/board/freescale/m5249evb/m5249evb.c new file mode 100644 index 0000000..b0bf413 --- /dev/null +++ b/board/freescale/m5249evb/m5249evb.c @@ -0,0 +1,114 @@ +/* + * (C) Copyright 2004 + * 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 <command.h> +#include <malloc.h> +#include <asm/immap.h> + + +/* Prototypes */ +int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + +int checkboard (void) { + ulong val; + uchar val8; + + puts ("Board: "); + puts("Freescale M5249EVB"); + val8 = ((uchar)~((uchar)mbar2_readLong(MCFSIM_GPIO1_READ) >> 4)) & 0xf; + printf(" (Switch=%1X)\n", val8); + + /* + * Set LED on + */ + val = mbar2_readLong(MCFSIM_GPIO1_OUT) & ~CFG_GPIO1_LED; + mbar2_writeLong(MCFSIM_GPIO1_OUT, val); /* Set LED on */ + + return 0; +}; + + +long int initdram (int board_type) { + unsigned long junk = 0xa5a59696; + + /* + * Note: + * RC = ([(RefreshTime/#rows) / (1/BusClk)] / 16) - 1 + */ + +#ifdef CFG_FAST_CLK + /* + * Busclk=70MHz, RefreshTime=64ms, #rows=4096 (4K) + * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=39 + */ + mbar_writeShort(MCFSIM_DCR, 0x8239); +#elif CFG_PLL_BYPASS + /* + * Busclk=5.6448MHz, RefreshTime=64ms, #rows=8192 (8K) + * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=02 + */ + mbar_writeShort(MCFSIM_DCR, 0x8202); +#else + /* + * Busclk=36MHz, RefreshTime=64ms, #rows=4096 (4K) + * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=22 (562 bus clock cycles) + */ + mbar_writeShort(MCFSIM_DCR, 0x8222); +#endif + + /* + * SDRAM starts at 0x0000_0000, CASL=10, CBM=010, PS=10 (16bit port), + * PM=1 (continuous page mode) + */ + + /* RE=0 (keep auto-refresh disabled while setting up registers) */ + mbar_writeLong(MCFSIM_DACR0, 0x00003324); + + /* BAM=007c (bits 22,21 are bank selects; 256kB blocks) */ + mbar_writeLong(MCFSIM_DMR0, 0x01fc0001); + + /** Precharge sequence **/ + mbar_writeLong(MCFSIM_DACR0, 0x0000332c); /* Set DACR0[IP] (bit 3) */ + *((volatile unsigned long *) 0x00) = junk; /* write to a memory location to init. precharge */ + udelay(0x10); /* Allow several Precharge cycles */ + + /** Refresh Sequence **/ + mbar_writeLong(MCFSIM_DACR0, 0x0000b324); /* Enable the refresh bit, DACR0[RE] (bit 15) */ + udelay(0x7d0); /* Allow gobs of refresh cycles */ + + /** Mode Register initialization **/ + mbar_writeLong(MCFSIM_DACR0, 0x0000b364); /* Enable DACR0[IMRS] (bit 6); RE remains enabled */ + *((volatile unsigned long *) 0x800) = junk; /* Access RAM to initialize the mode register */ + + 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/freescale/m5249evb/u-boot.lds b/board/freescale/m5249evb/u-boot.lds new file mode 100644 index 0000000..a803b1c --- /dev/null +++ b/board/freescale/m5249evb/u-boot.lds @@ -0,0 +1,146 @@ +/* + * (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; */ +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 (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .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/include/configs/M5249EVB.h b/include/configs/M5249EVB.h new file mode 100644 index 0000000..b300b68 --- /dev/null +++ b/include/configs/M5249EVB.h @@ -0,0 +1,195 @@ +/* + * Configuation settings for the esd TASREG board. + * + * (C) Copyright 2004 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 + */ + +/* + * board/config.h - configuration options, board specific + */ + +#ifndef _M5249EVB_H +#define _M5249EVB_H + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_MCF52x2 /* define processor family */ +#define CONFIG_M5249 /* define processor type */ + +#define CONFIG_MCFTMR + +#define CONFIG_MCFUART +#define CFG_UART_PORT (0) +#define CONFIG_BAUDRATE 19200 +#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } + +#undef CONFIG_WATCHDOG + +#undef CONFIG_MONITOR_IS_IN_RAM /* no pre-loader required!!! ;-) */ + +/* + * BOOTP options + */ +#undef CONFIG_BOOTP_BOOTFILESIZE +#undef CONFIG_BOOTP_BOOTPATH +#undef CONFIG_BOOTP_GATEWAY +#undef CONFIG_BOOTP_HOSTNAME + +/* + * Command line configuration. + */ +#include <config_cmd_default.h> +#undef CONFIG_CMD_NET + +#define CFG_PROMPT "=> " +#define CFG_LONGHELP /* undef to save memory */ + +#if defined(CONFIG_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_DEVICE_NULLDEV 1 /* include nulldev device */ +#define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup */ +#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */ +#define CONFIG_LOOPW 1 /* enable loopw command */ +#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */ + +#define CFG_LOAD_ADDR 0x200000 /* default load address */ + +#define CFG_MEMTEST_START 0x400 +#define CFG_MEMTEST_END 0x380000 + +#define CFG_HZ 1000 + +/* + * Clock configuration: enable only one of the following options + */ + +#undef CFG_PLL_BYPASS /* bypass PLL for test purpose */ +#define CFG_FAST_CLK 1 /* MCF5249 can run at 140MHz */ +#define CFG_CLK 132025600 /* MCF5249 can run at 140MHz */ + +/* + * 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 0x10000000 /* Register Base Addrs */ +#define CFG_MBAR2 0x80000000 + +/*----------------------------------------------------------------------- + * 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 + +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_OFFSET 0x4000 /* Address of Environment Sector*/ +#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ +#define CFG_ENV_SECT_SIZE 0x2000 /* see README - env sector total size */ + +/*----------------------------------------------------------------------- + * 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 (CFG_CSAR0 << 16) + +#if 0 /* test-only */ +#define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */ +#endif + +#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400) + +#define CFG_MONITOR_LEN 0x20000 +#define CFG_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB for malloc() */ +#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 (CFG_SDRAM_BASE + (CFG_SDRAM_SIZE << 20)) + +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CFG_FLASH_CFI +#ifdef CFG_FLASH_CFI + +# define CFG_FLASH_CFI_DRIVER 1 +# define CFG_FLASH_SIZE 0x1000000 /* Max size that the board might have */ +# define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT +# define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +# define CFG_MAX_FLASH_SECT 137 /* max number of sectors on one chip */ +# define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */ +# define CFG_FLASH_CHECKSUM +# define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE } +#endif + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_CACHELINE_SIZE 16 + +/*----------------------------------------------------------------------- + * Memory bank definitions + */ + +/* CS0 - AMD Flash, address 0xffc00000 */ +#define CFG_CSAR0 0xffe0 +#define CFG_CSCR0 0x1980 /* WS=0110, AA=1, PS=10 */ +/** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/ +#define CFG_CSMR0 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */ + +/* CS1 - FPGA, address 0xe0000000 */ +#define CFG_CSAR1 0xe000 +#define CFG_CSCR1 0x0d80 /* WS=0011, AA=1, PS=10 */ +#define CFG_CSMR1 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/ + +/*----------------------------------------------------------------------- + * Port configuration + */ +#define CFG_GPIO_FUNC 0x00000008 /* Set gpio pins: none */ +#define CFG_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/ +#define CFG_GPIO_EN 0x00000008 /* Set gpio output enable */ +#define CFG_GPIO1_EN 0x00c70000 /* Set gpio output enable */ +#define CFG_GPIO_OUT 0x00000008 /* Set outputs to default state */ +#define CFG_GPIO1_OUT 0x00c70000 /* Set outputs to default state */ +#define CFG_GPIO1_LED 0x00400000 /* user led */ + +#endif /* M5249 */ + |