diff options
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rw-r--r-- | MAINTAINERS | 4 | ||||
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | board/r5200/Makefile | 40 | ||||
| -rw-r--r-- | board/r5200/config.mk | 25 | ||||
| -rw-r--r-- | board/r5200/r5200.c | 125 | ||||
| -rw-r--r-- | board/r5200/u-boot.lds | 144 | ||||
| -rw-r--r-- | examples/Makefile | 2 | ||||
| -rw-r--r-- | include/asm-m68k/immap_5271.h | 98 | ||||
| -rw-r--r-- | include/asm-m68k/m5271.h | 93 | ||||
| -rw-r--r-- | include/configs/r5200.h | 168 |
11 files changed, 704 insertions, 1 deletions
@@ -2,6 +2,9 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Add support for r5200 board + Patch by Zachary Landau, 26 Jan 2006 + * Add support for Freescale M5271 processor Patch by Zachary Landau, 26 Jan 2006 diff --git a/MAINTAINERS b/MAINTAINERS index 0ef9e03..9380220 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -534,6 +534,10 @@ Matthias Fuchs <matthias.fuchs@esd-electronics.com> TASREG MCF5249 +Zachary P. Landau <zachary.landau@labxtechnologies.com> + + r5200 mcf52x2 + ######################################################################### # End of MAINTAINERS list # ######################################################################### @@ -1243,6 +1243,9 @@ M5282EVB_config : unconfig TASREG_config : unconfig @./mkconfig $(@:_config=) m68k mcf52x2 tasreg esd +r5200_config : unconfig + @./mkconfig $(@:_config=) m68k mcf52x2 r5200 + ######################################################################### ## MPC83xx Systems ######################################################################### diff --git a/board/r5200/Makefile b/board/r5200/Makefile new file mode 100644 index 0000000..d0364ed --- /dev/null +++ b/board/r5200/Makefile @@ -0,0 +1,40 @@ +# +# (C) Copyright 2000-2003 +# 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/r5200/config.mk b/board/r5200/config.mk new file mode 100644 index 0000000..8fc5319 --- /dev/null +++ b/board/r5200/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 = 0x10000000 diff --git a/board/r5200/r5200.c b/board/r5200/r5200.c new file mode 100644 index 0000000..e51ad25 --- /dev/null +++ b/board/r5200/r5200.c @@ -0,0 +1,125 @@ +/* + * (C) Copyright 2000-2003 + * 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: R5200 Ethernet Module\n"); + return 0; +}; + +long int initdram (int board_type) { + int i; + + /* + * 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); + + mbar_writeByte(MCF_GPIO_PAR_SDRAM, mbar_readByte(MCF_GPIO_PAR_SDRAM) + | MCF_GPIO_PAR_SDRAM_PAR_CSSDCS(0x01)); + + /* + * 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 + */ + mbar_writeLong(MCF_SDRAMC_DACR0, + MCF_SDRAMC_DACRn_BA(CFG_SDRAM_BASE>>18) + | MCF_SDRAMC_DACRn_CASL(0) + | MCF_SDRAMC_DACRn_CBM(3) + | MCF_SDRAMC_DACRn_PS(2)); + + /* + * Initialize DMR0 + */ + mbar_writeLong(MCF_SDRAMC_DMR0, + MCF_SDRAMC_DMRn_BAM_8M + | 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 + */ + *(u16 *)(CFG_SDRAM_BASE) = 0x9696; + + /* + * 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 + */ + *(u16 *)(CFG_SDRAM_BASE + 0x1000) = 0x9696; + } + + 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/r5200/u-boot.lds b/board/r5200/u-boot.lds new file mode 100644 index 0000000..f7dc070 --- /dev/null +++ b/board/r5200/u-boot.lds @@ -0,0 +1,144 @@ +/* + * (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) + } + .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/examples/Makefile b/examples/Makefile index 2f8c4c4..a244d24 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -113,7 +113,7 @@ clibdir := $(shell dirname `$(CC) $(CFLAGS) -print-file-name=libc.a`) CPPFLAGS += -I.. -all: .depend $(OBJS) $(LIB) $(SREC) $(BIN) +all: .depend $(OBJS) $(LIB) #$(SREC) $(BIN) ######################################################################### $(LIB): .depend $(LIBOBJS) diff --git a/include/asm-m68k/immap_5271.h b/include/asm-m68k/immap_5271.h new file mode 100644 index 0000000..424dc1d --- /dev/null +++ b/include/asm-m68k/immap_5271.h @@ -0,0 +1,98 @@ +/* + * MCF5272 Internal Memory Map + * + * Copyright (c) 2003 Josef Baumgartner <josef.baumgartner@telex.de> + * 2006 Zachary P. Landau <zachary.landau@labxtechnologies.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 __IMMAP_5271__ +#define __IMMAP_5271__ + +/* Interrupt module registers +*/ +typedef struct int_ctrl { + uint int_icr1; + uint int_icr2; + uint int_icr3; + uint int_icr4; + uint int_isr; + uint int_pitr; + uint int_piwr; + uchar res1[3]; + uchar int_pivr; +} intctrl_t; + +/* Timer module registers + */ +typedef struct timer_ctrl { + ushort timer_tmr; + ushort res1; + ushort timer_trr; + ushort res2; + ushort timer_tcap; + ushort res3; + ushort timer_tcn; + ushort res4; + ushort timer_ter; + uchar res5[14]; +} timer_t; + + /* Fast ethernet controller registers + */ +typedef struct fec { + uint res1; + uint fec_ievent; + uint fec_imask; + uint res2; + uint fec_r_des_active; + uint fec_x_des_active; + uint res3[3]; + uint fec_ecntrl; + uint res4[6]; + uint fec_mii_data; + uint fec_mii_speed; + uint res5[7]; + uint fec_mibc; + uint res6[7]; + uint fec_r_cntrl; + uint res7[15]; + uint fec_x_cntrl; + uint res8[7]; + uint fec_addr_low; + uint fec_addr_high; + uint fec_opd; + uint res9[10]; + uint fec_ihash_table_high; + uint fec_ihash_table_low; + uint fec_ghash_table_high; + uint fec_ghash_table_low; + uint res10[7]; + uint fec_tfwr; + uint res11; + uint fec_r_bound; + uint fec_r_fstart; + uint res12[11]; + uint fec_r_des_start; + uint fec_x_des_start; + uint fec_r_buff_size; +} fec_t; + +#endif /* __IMMAP_5271__ */ diff --git a/include/asm-m68k/m5271.h b/include/asm-m68k/m5271.h new file mode 100644 index 0000000..eaa3a48 --- /dev/null +++ b/include/asm-m68k/m5271.h @@ -0,0 +1,93 @@ +/* + * mcf5271.h -- Definitions for Motorola Coldfire 5271 + * + * (C) Copyright 2006, Lab X Technologies <zachary.landau@labxtechnologies.com> + * Based on mcf5272sim.h of uCLinux distribution: + * (C) Copyright 1999, Greg Ungerer (gerg@snapgear.com) + * (C) Copyright 2000, Lineo Inc. (www.lineo.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 _MCF5271_H_ +#define _MCF5271_H_ + +#define mbar_readLong(x) *((volatile unsigned long *) (CFG_MBAR + x)) +#define mbar_readShort(x) *((volatile unsigned short *) (CFG_MBAR + x)) +#define mbar_readByte(x) *((volatile unsigned char *) (CFG_MBAR + x)) +#define mbar_writeLong(x,y) *((volatile unsigned long *) (CFG_MBAR + x)) = y +#define mbar_writeShort(x,y) *((volatile unsigned short *) (CFG_MBAR + x)) = y +#define mbar_writeByte(x,y) *((volatile unsigned char *) (CFG_MBAR + x)) = y + +#define MCF_FMPLL_SYNCR 0x120000 +#define MCF_FMPLL_SYNSR 0x120004 +#define MCF_FMPLL_SYNCR_MFD(x) ((x&0x7)<<24) +#define MCF_FMPLL_SYNCR_RFD(x) ((x&0x7)<<19) +#define MCF_FMPLL_SYNSR_LOCK 0x8 + +#define MCF_WTM_WCR 0x140000 +#define MCF_WTM_WCNTR 0x140004 +#define MCF_WTM_WSR 0x140006 +#define MCF_WTM_WCR_EN 0x0001 + +#define MCF_RCM_RCR 0x110000 +#define MCF_RCM_RCR_FRCRSTOUT 0x40 +#define MCF_RCM_RCR_SOFTRST 0x80 + +#define MCF_GPIO_PAR_CS 0x100045 +#define MCF_GPIO_PAR_SDRAM 0x100046 +#define MCF_GPIO_PAR_FECI2C 0x100047 +#define MCF_GPIO_PAR_UART 0x100048 + +#define MCF_GPIO_PAR_CS_PAR_CS2 (0x04) + +#define MCF_GPIO_PAR_UART_U0RTS (0x0001) +#define MCF_GPIO_PAR_UART_U0CTS (0x0002) +#define MCF_GPIO_PAR_UART_U0TXD (0x0004) +#define MCF_GPIO_PAR_UART_U0RXD (0x0008) +#define MCF_GPIO_PAR_UART_U1RXD_UART1 (0x0C00) +#define MCF_GPIO_PAR_UART_U1TXD_UART1 (0x0300) + +#define MCF_GPIO_PAR_SDRAM_PAR_CSSDCS(x) (((x)&0x03)<<6) + +#define MCF_SDRAMC_DCR 0x000040 +#define MCF_SDRAMC_DACR0 0x000048 +#define MCF_SDRAMC_DMR0 0x00004C + +#define MCF_SDRAMC_DCR_RC(x) (((x)&0x01FF)<<0) +#define MCF_SDRAMC_DCR_RTIM(x) (((x)&0x0003)<<9) +#define MCF_SDRAMC_DCR_IS (0x0800) +#define MCF_SDRAMC_DCR_COC (0x1000) +#define MCF_SDRAMC_DCR_NAM (0x2000) + +#define MCF_SDRAMC_DACRn_IP (0x00000008) +#define MCF_SDRAMC_DACRn_PS(x) (((x)&0x00000003)<<4) +#define MCF_SDRAMC_DACRn_MRS (0x00000040) +#define MCF_SDRAMC_DACRn_CBM(x) (((x)&0x00000007)<<8) +#define MCF_SDRAMC_DACRn_CASL(x) (((x)&0x00000003)<<12) +#define MCF_SDRAMC_DACRn_RE (0x00008000) +#define MCF_SDRAMC_DACRn_BA(x) (((x)&0x00003FFF)<<18) + +#define MCF_SDRAMC_DMRn_BAM_8M (0x007C0000) +#define MCF_SDRAMC_DMRn_V (0x00000001) + +#define MCFSIM_ICR1 (0x000C41) + +#endif /* _MCF5271_H_ */ diff --git a/include/configs/r5200.h b/include/configs/r5200.h new file mode 100644 index 0000000..a17b4ab --- /dev/null +++ b/include/configs/r5200.h @@ -0,0 +1,168 @@ +/* + * Configuation settings for the R5200 board + * + * (C) Copyright 2006 Lab X Technologies <zachary.landau@labxtechnologies.com> + * Based on Motorola MC5272C3 board config + * (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 _R5200_H +#define _R5200_H + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_MCF52x2 /* define processor family */ +#define CONFIG_M5271 /* define processor type */ + +#define FEC_ENET +#define CONFIG_NET_RETRY_COUNT 5 + +#define CONFIG_IPADDR 192.168.0.172 +#define CONFIG_SERVERIP 192.168.0.148 +#define CONFIG_ETHADDR 00:06:3b:00:44:55 + +#define CONFIG_BAUDRATE 19200 +#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } + +#define CONFIG_WATCHDOG +#define CONFIG_WATCHDOG_TIMEOUT 0xFFFF /* clock modulus */ + +/* 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 0x20000 +#define CFG_ENV_SECT_SIZE 0x20000 +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_IS_EMBEDDED 1 +#else +#define CFG_ENV_ADDR 0xf0020000 +#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> + +/* Note: We only copy one sectors worth of application code from location + * 10200000 for speed purposes. Increase the size if necessary */ +#define CONFIG_BOOTCOMMAND "cp.b 10200000 0 20000; go 400" +#define CONFIG_BOOTDELAY 1 + +#define CFG_PROMPT "u-boot> " +#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 0x00002000 + +#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 */ + +#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 8 /* SDRAM size in MB */ +#define CFG_FLASH_BASE 0x10000000 + +#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 0x20001 +#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 1024 /* 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 0x800000 + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_CACHELINE_SIZE 16 + +/*----------------------------------------------------------------------- + * Memory bank definitions + */ + +/*----------------------------------------------------------------------- + * Port configuration + */ +#define CFG_FECI2C 0xF0 + +#endif /* _R5200_H */ |