upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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466 lines
16 KiB
466 lines
16 KiB
/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* board/config.h - configuration options, board specific
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* High Level Configuration Options
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* (easy to change)
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*/
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#define CONFIG_MPC860 1 /* This is a MPC860 CPU */
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#define CONFIG_IVMS8 1 /* ...on a IVMS8 board */
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#if defined (CONFIG_IVMS8_16M)
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# define CONFIG_IDENT_STRING " IVMS8"
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#elif defined (CONFIG_IVMS8_32M)
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# define CONFIG_IDENT_STRING " IVMS8_128"
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#elif defined (CONFIG_IVMS8_64M)
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# define CONFIG_IDENT_STRING " IVMS8_256"
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#endif
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#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
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#undef CONFIG_8xx_CONS_SMC2
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#undef CONFIG_8xx_CONS_NONE
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
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#define CONFIG_8xx_GCLK_FREQ 50331648
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#define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
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#if 0
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#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
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#else
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#endif
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#define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */
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#define CONFIG_BOOTARGS "root=/dev/nfs rw " \
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"nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \
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"nfsaddrs=10.0.0.99:10.0.0.2"
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_STATUS_LED 1 /* Status LED enabled */
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#define CONFIG_CMD_IDE
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#define CONFIG_MAC_PARTITION
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#define CONFIG_DOS_PARTITION
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_SUBNETMASK
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#define CONFIG_BOOTP_HOSTNAME
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_BOOTFILESIZE
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "=> " /* Monitor Command Prompt */
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#if defined(CONFIG_CMD_KGDB)
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#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
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#define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
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#define CFG_LOAD_ADDR 0x00100000 /* default load address */
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#define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
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#define CFG_PB_SDRAM_CLKE 0x00008000 /* PB 16 */
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#define CFG_PB_ETH_POWERDOWN 0x00010000 /* PB 15 */
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#define CFG_PB_IDE_MOTOR 0x00020000 /* PB 14 */
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#define CFG_PC_ETH_RESET ((ushort)0x0010) /* PC 11 */
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#define CFG_PC_IDE_RESET ((ushort)0x0020) /* PC 10 */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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/*
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* Low Level Configuration Settings
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* (address mappings, register initial values, etc.)
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* You should know what you are doing if you make changes here.
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*/
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/*-----------------------------------------------------------------------
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* Internal Memory Mapped Register
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*/
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#define CFG_IMMR 0xFFF00000 /* was: 0xFF000000 */
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in DPRAM)
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*/
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#define CFG_INIT_RAM_ADDR CFG_IMMR
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#if defined (CONFIG_IVMS8_16M)
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# define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
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#elif defined (CONFIG_IVMS8_32M)
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# define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */
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#elif defined (CONFIG_IVMS8_64M)
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# define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */
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#endif
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#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CFG_SDRAM_BASE _must_ start at 0
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_FLASH_BASE 0xFF000000
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#ifdef DEBUG
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#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
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#else
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#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
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#endif
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#define CFG_MONITOR_BASE CFG_FLASH_BASE
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#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
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#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_OFFSET 0x7A000 /* Offset of Environment Sector */
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#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
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#if defined(CONFIG_CMD_KGDB)
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#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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#endif
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/*-----------------------------------------------------------------------
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* SYPCR - System Protection Control 11-9
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* SYPCR can only be written once after reset!
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*-----------------------------------------------------------------------
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* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
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*/
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#if defined(CONFIG_WATCHDOG)
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# if defined (CONFIG_IVMS8_16M)
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# define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
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# elif defined (CONFIG_IVMS8_32M)
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# define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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SYPCR_SWE | SYPCR_SWP)
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# elif defined (CONFIG_IVMS8_64M)
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# define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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SYPCR_SWE | SYPCR_SWP)
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# endif
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#else
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# define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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#endif
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/*-----------------------------------------------------------------------
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* SIUMCR - SIU Module Configuration 11-6
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*-----------------------------------------------------------------------
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* PCMCIA config., multi-function pin tri-state
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*/
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/* EARB, DBGC and DBPC are initialised by the HCW */
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/* => 0x000000C0 */
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#define CFG_SIUMCR (SIUMCR_BSC | SIUMCR_GB5E)
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/*-----------------------------------------------------------------------
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* TBSCR - Time Base Status and Control 11-26
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*-----------------------------------------------------------------------
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* Clear Reference Interrupt Status, Timebase freezing enabled
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*/
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#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
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/*-----------------------------------------------------------------------
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* PISCR - Periodic Interrupt Status and Control 11-31
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*-----------------------------------------------------------------------
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* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
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*/
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#define CFG_PISCR (PISCR_PS | PISCR_PITF)
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/*-----------------------------------------------------------------------
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* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
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*-----------------------------------------------------------------------
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* Reset PLL lock status sticky bit, timer expired status bit and timer
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* interrupt status bit, set PLL multiplication factor !
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*/
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/* 0x00B0C0C0 */
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#define CFG_PLPRCR \
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( (11 << PLPRCR_MF_SHIFT) | \
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PLPRCR_SPLSS | PLPRCR_TEXPS | /*PLPRCR_TMIST|*/ \
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/*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
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PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
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)
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/*-----------------------------------------------------------------------
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* SCCR - System Clock and reset Control Register 15-27
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*-----------------------------------------------------------------------
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* Set clock output, timebase and RTC source and divider,
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* power management and some other internal clocks
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*/
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#define SCCR_MASK SCCR_EBDF11
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/* 0x01800014 */
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#define CFG_SCCR (SCCR_COM01 | /*SCCR_TBS|*/ \
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SCCR_RTDIV | SCCR_RTSEL | \
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/*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
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SCCR_EBDF00 | SCCR_DFSYNC00 | \
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SCCR_DFBRG00 | SCCR_DFNL000 | \
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SCCR_DFNH000 | SCCR_DFLCD101 | \
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SCCR_DFALCD00)
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/*-----------------------------------------------------------------------
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* RTCSC - Real-Time Clock Status and Control Register 11-27
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*-----------------------------------------------------------------------
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*/
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/* 0x00C3 */
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#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
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/*-----------------------------------------------------------------------
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* RCCR - RISC Controller Configuration Register 19-4
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*-----------------------------------------------------------------------
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*/
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/* TIMEP=2 */
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#define CFG_RCCR 0x0200
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/*-----------------------------------------------------------------------
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* RMDS - RISC Microcode Development Support Control Register
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*-----------------------------------------------------------------------
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*/
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#define CFG_RMDS 0
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/*-----------------------------------------------------------------------
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*
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* Interrupt Levels
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*-----------------------------------------------------------------------
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*/
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#define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */
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/*-----------------------------------------------------------------------
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* PCMCIA stuff
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*-----------------------------------------------------------------------
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*
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*/
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#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
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#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
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#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
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#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_IO_ADDR (0xEC000000)
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#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
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/*-----------------------------------------------------------------------
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* IDE/ATA stuff
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*-----------------------------------------------------------------------
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*/
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#define CONFIG_IDE_8xx_DIRECT 1 /* PCMCIA interface required */
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#define CONFIG_IDE_RESET 1 /* reset for ide supported */
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#define CFG_IDE_MAXBUS 1 /* The IVMS8 has only 1 IDE bus */
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#define CFG_IDE_MAXDEVICE 1 /* ... and only 1 IDE device */
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#define CFG_ATA_BASE_ADDR 0xFE100000
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#define CFG_ATA_IDE0_OFFSET 0x0000
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#undef CFG_ATA_IDE1_OFFSET /* only one IDE bus available */
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#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
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#define CFG_ATA_REG_OFFSET 0x0080 /* Offset for normal register accesses */
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#define CFG_ATA_ALT_OFFSET 0x0100 /* Offset for alternate registers */
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/*-----------------------------------------------------------------------
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*
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*-----------------------------------------------------------------------
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*
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*/
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#define CFG_DER 0
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/*
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* Init Memory Controller:
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*
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* BR0 and OR0 (FLASH)
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*/
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#define FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank #0 */
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/* used to re-map FLASH both when starting from SRAM or FLASH:
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* restrict access enough to keep SRAM working (if any)
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* but not too much to meddle with FLASH accesses
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*/
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/* EPROMs are 512kb */
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#define CFG_REMAP_OR_AM 0xFFF80000 /* OR addr mask */
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#define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */
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/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
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#define CFG_OR_TIMING_FLASH (/* OR_CSNT_SAM | */ OR_ACS_DIV4 | OR_BI | \
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OR_SCY_5_CLK | OR_EHTR)
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#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
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#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
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/* 16 bit, bank valid */
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#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
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/*
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* BR1/OR1 - ELIC SACCO bank @ 0xFE000000
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*
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* AM=0xFFFF8 ATM=0 CSNT/SAM=1 ACS/G5LA/G5LS=3 BIH=1 SCY=2 SETA=0 TRLX=1 EHTR=1
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*/
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#define ELIC_SACCO_BASE 0xFE000000
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#define ELIC_SACCO_OR_AM 0xFFFF8000
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#define ELIC_SACCO_TIMING 0x00000F26
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#define CFG_OR1 (ELIC_SACCO_OR_AM | ELIC_SACCO_TIMING)
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#define CFG_BR1 ((ELIC_SACCO_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
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/*
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* BR2/OR2 - ELIC EPIC bank @ 0xFE008000
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*
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* AM=0xFFFF8 ATM=0 CSNT/SAM=1 ACS/G5LA/G5LS=3 BIH=1 SCY=2 SETA=0 TRLX=1 EHTR=1
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*/
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#define ELIC_EPIC_BASE 0xFE008000
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#define ELIC_EPIC_OR_AM 0xFFFF8000
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#define ELIC_EPIC_TIMING 0x00000F26
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#define CFG_OR2 (ELIC_EPIC_OR_AM | ELIC_EPIC_TIMING)
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#define CFG_BR2 ((ELIC_EPIC_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
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/*
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* BR3/OR3: SDRAM
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*
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* Multiplexed addresses, GPL5 output to GPL5_A (don't care)
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*/
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#define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */
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#define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
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#define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
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#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
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#define CFG_OR3_PRELIM (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
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#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V )
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/*
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* BR4/OR4: not used
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*/
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/*
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* BR5/OR5: SHARC ADSP-2165L
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*
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* AM=0xFFC00 ATM=0 CSNT/SAM=0 ACS/G5LA/G5LS=3 BIH=1 SCY=0 SETA=0 TRLX=0 EHTR=0
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*/
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#define SHARC_BASE 0xFE400000
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#define SHARC_OR_AM 0xFFC00000
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#define SHARC_TIMING 0x00000700
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#define CFG_OR5 (SHARC_OR_AM | SHARC_TIMING )
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#define CFG_BR5 ((SHARC_BASE & BR_BA_MSK) | BR_PS_32 | BR_MS_UPMA | BR_V )
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/*
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* Memory Periodic Timer Prescaler
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*/
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/* periodic timer for refresh */
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#define CFG_MBMR_PTB 204
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/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
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#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
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#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
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/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
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#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
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#if defined (CONFIG_IVMS8_16M)
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#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
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#elif defined (CONFIG_IVMS8_32M)
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#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
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#elif defined (CONFIG_IVMS8_64M)
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#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV8 /* setting for 1 bank */
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#endif
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/*
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* MBMR settings for SDRAM
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*/
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#if defined (CONFIG_IVMS8_16M)
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/* 8 column SDRAM */
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# define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
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MBMR_AMB_TYPE_0 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A11 | \
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MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
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#elif defined (CONFIG_IVMS8_32M)
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/* 128 MBit SDRAM */
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#define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
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MBMR_AMB_TYPE_1 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A10 | \
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MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
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#elif defined (CONFIG_IVMS8_64M)
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/* 128 MBit SDRAM */
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#define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
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MBMR_AMB_TYPE_1 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A10 | \
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MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
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#endif
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/*
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* Internal Definitions
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*
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* Boot Flags
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*/
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#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
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#define BOOTFLAG_WARM 0x02 /* Software reboot */
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#endif /* __CONFIG_H */
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