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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420 lines
14 KiB
420 lines
14 KiB
/*
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* (C) Copyright 2003-2005
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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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#undef CONFIG_MPC860
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#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
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#define CONFIG_RPXLITE 1 /* RMU is the RPXlite clone */
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#define CONFIG_RMU 1
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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 9600 /* console baudrate = 9600bps */
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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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#undef CONFIG_BOOTARGS
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#define CONFIG_BOOTCOMMAND \
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"bootp; " \
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"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
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"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
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"bootm"
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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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/* enable I2C and select the hardware/software driver */
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#undef CONFIG_HARD_I2C /* I2C with hardware support */
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#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
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#define CFG_I2C_SPEED 40000 /* 40 kHz is supposed to work */
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#define CFG_I2C_SLAVE 0xFE
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/* Software (bit-bang) I2C driver configuration */
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#define PB_SCL 0x00000020 /* PB 26 */
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#define PB_SDA 0x00000010 /* PB 27 */
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#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
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#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
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#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
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#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
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#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
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else immr->im_cpm.cp_pbdat &= ~PB_SDA
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#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
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else immr->im_cpm.cp_pbdat &= ~PB_SCL
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#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
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/* M41T11 Serial Access Timekeeper(R) SRAM */
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#define CONFIG_RTC_M41T11 1
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#define CFG_I2C_RTC_ADDR 0x68
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#define CFG_M41T11_BASE_YEAR 1900 /* play along with the linux driver */
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
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CFG_CMD_DATE | \
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CFG_CMD_DHCP | \
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CFG_CMD_I2C | \
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CFG_CMD_NFS | \
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CFG_CMD_SNTP )
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#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
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/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
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#include <cmd_confdefs.h>
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#define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
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#define CONFIG_AUTOBOOT_PROMPT "\nEnter password - autoboot in %d sec...\n"
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#define CONFIG_AUTOBOOT_DELAY_STR "system"
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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 (CONFIG_COMMANDS & CFG_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 0x0040000 /* memtest works on */
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#define CFG_MEMTEST_END 0x00C0000 /* 4 ... 12 MB in DRAM */
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#define CFG_LOAD_ADDR 0x100000 /* default load address */
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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 0xFA200000
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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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#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
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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 (0-flash_info[0].size) /* Put flash at end */
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#if defined(DEBUG) || (CONFIG_COMMANDS & CFG_CMD_IDE)
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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 (128 << 10) /* Reserve 128 kB for Monitor */
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#endif
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#define CFG_MONITOR_BASE TEXT_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 67 /* 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_ADDR ((TEXT_BASE) + 0x40000)
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#define CFG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */
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/* Address and size of Redundant Environment Sector */
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#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR+CFG_ENV_SIZE)
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#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
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/*-----------------------------------------------------------------------
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* Reset address
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*/
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#define CFG_RESET_ADDRESS ((ulong)((((immap_t *)CFG_IMMR)->im_clkrst.res)))
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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 (CONFIG_COMMANDS & CFG_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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#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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#else
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#define CFG_SYPCR (SYPCR_SWTC | 0x00000600 | 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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#define CFG_SIUMCR (SIUMCR_MLRC10)
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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 | TBSCR_TBE)
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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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/*%%%#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) */
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#define CFG_RTCSC (RTCSC_SEC | RTCSC_RTE)
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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
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*
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* If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
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*/
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/* up to 50 MHz we use a 1:1 clock */
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#define CFG_PLPRCR ( (5 << PLPRCR_MF_SHIFT) | PLPRCR_TEXPS )
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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_EBDF00
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/* up to 50 MHz we use a 1:1 clock */
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#define CFG_SCCR (SCCR_COM00 | SCCR_TBS)
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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 (Supports IDE harddisk on PCMCIA Adapter)
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*-----------------------------------------------------------------------
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*/
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#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
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#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
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#undef CONFIG_IDE_LED /* LED for ide not supported */
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#undef CONFIG_IDE_RESET /* reset for ide not supported */
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#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
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#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
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#define CFG_ATA_IDE0_OFFSET 0x0000
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#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
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/* Offset for data I/O */
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#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
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/* Offset for normal register accesses */
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#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
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/* Offset for alternate registers */
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#define CFG_ATA_ALT_OFFSET 0x0100
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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 0x2002000F*/
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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_BASE_PRELIM 0xFC000000 /* FLASH base - up to 64 MB of flash */
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#define CFG_PRELIM_OR_AM 0xFC000000 /* OR addr mask - map 64 MB */
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/* FLASH timing: ACS = 0, TRLX = 0, CSNT = 0, SCY = 4, ETHR = 0, BIH = 1 */
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#define CFG_OR_TIMING_FLASH (OR_SCY_4_CLK | OR_BI)
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#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
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#define CFG_BR0_PRELIM ((FLASH_BASE_PRELIM & BR_BA_MSK) | BR_V)
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/*
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* BR1 and OR1 (SDRAM)
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*
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*/
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#define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM base */
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#define SDRAM_MAX_SIZE 0x08000000 /* max 128 MB */
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/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
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#define CFG_OR_TIMING_SDRAM 0x00000E00
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#define CFG_OR1_PRELIM (0xF0000000 | CFG_OR_TIMING_SDRAM ) /* map 256 MB */
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#define CFG_BR1_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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/* RPXLITE mem setting */
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#define CFG_NVRAM_BASE 0xFA000000 /* NVRAM & SRAM base */
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/* IMMR: 0xFA200000 IMMR base address - see above */
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#define CFG_BCSR_BASE 0xFA400000 /* BCSR base address */
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#define CFG_BR3_PRELIM (CFG_BCSR_BASE | BR_V) /* BCSR */
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#define CFG_OR3_PRELIM 0xFFFF8910
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#define CFG_BR4_PRELIM (CFG_NVRAM_BASE | BR_PS_8 | BR_V) /* NVRAM & SRAM */
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#define CFG_OR4_PRELIM 0xFFFE0970
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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_MAMR_PTA 20
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/*
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* Refresh clock Prescalar
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*/
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#define CFG_MPTPR MPTPR_PTP_DIV2
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/*
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* MAMR settings for SDRAM
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*/
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/* 9 column SDRAM */
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#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
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MAMR_RLFA_16X | MAMR_WLFA_16X | MAMR_TLFA_16X)
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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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/*
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* BCSRx
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*
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* Board Status and Control Registers
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*
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*/
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#define BCSR0 (CFG_BCSR_BASE + 0)
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#define BCSR1 (CFG_BCSR_BASE + 1)
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#define BCSR2 (CFG_BCSR_BASE + 2)
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#define BCSR3 (CFG_BCSR_BASE + 3)
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#define BCSR0_ENMONXCVR 0x01 /* Monitor XVCR Control */
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#define BCSR0_ENNVRAM 0x02 /* CS4# Control */
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#define BCSR0_LED5 0x04 /* LED5 control 0='on' 1='off' */
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#define BCSR0_LED4 0x08 /* LED4 control 0='on' 1='off' */
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#define BCSR0_FULLDPLX 0x10 /* Ethernet XCVR Control */
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#define BCSR0_COLTEST 0x20
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#define BCSR0_ETHLPBK 0x40
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#define BCSR0_ETHEN 0x80
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#define BCSR1_PCVCTL7 0x01 /* PC Slot B Control */
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#define BCSR1_PCVCTL6 0x02
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#define BCSR1_PCVCTL5 0x04
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#define BCSR1_PCVCTL4 0x08
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#define BCSR1_IPB5SEL 0x10
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#define BCSR2_ENPA5HDR 0x08 /* USB Control */
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#define BCSR2_ENUSBCLK 0x10
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#define BCSR2_USBPWREN 0x20
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#define BCSR2_USBSPD 0x40
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#define BCSR2_USBSUSP 0x80
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#define BCSR3_BWRTC 0x01 /* Real Time Clock Battery */
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#define BCSR3_BWNVR 0x02 /* NVRAM Battery */
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#define BCSR3_RDY_BSY 0x04 /* Flash Operation */
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#define BCSR3_RPXL 0x08 /* Reserved (reads back '1') */
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#define BCSR3_D27 0x10 /* Dip Switch settings */
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#define BCSR3_D26 0x20
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#define BCSR3_D25 0x40
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#define BCSR3_D24 0x80
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#endif /* __CONFIG_H */
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