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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u-boot/include/configs/sbc8240.h

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/*
* (C) Copyright 2001
* 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
*/
/*
* Configuration settings for the sbc8240 board.
*/
/* ------------------------------------------------------------------------- */
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MPC824X 1
#define CONFIG_MPC8240 1
#define CONFIG_WRSBC8240 1
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 9600
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CONFIG_PREBOOT "echo;echo Welcome to U-Boot for the sbc8240;echo;echo Type \"? or help\" to get on-line help;echo"
#undef CONFIG_BOOTARGS
#define CONFIG_BOOTCOMMAND "version;echo;tftpboot $loadaddr $loadfile;bootvx" /* autoboot command */
#define CONFIG_EXTRA_ENV_SETTINGS \
"bootargs=$fei(0,0)host:/T221ppc/target/config/sbc8240/vxWorks.st " \
"e=192.168.193.102 h=192.168.193.99 u=target pw=hello f=0x08 " \
"tn=sbc8240 o=fei \0" \
"env_startaddr=FFF70000\0" \
"env_endaddr=FFF7FFFF\0" \
"loadfile=vxWorks.st\0" \
"loadaddr=0x01000000\0" \
"net_load=tftpboot $loadaddr $loadfile\0" \
"uboot_startaddr=FFF00000\0" \
"uboot_endaddr=FFF3FFFF\0" \
"update=tftp $loadaddr /u-boot.bin;" \
"protect off $uboot_startaddr $uboot_endaddr;" \
"era $uboot_startaddr $uboot_endaddr;" \
"cp.b $loadaddr $uboot_startaddr $filesize;" \
"protect on $uboot_startaddr $uboot_endaddr\0" \
"zapenv=protect off $env_startaddr $env_endaddr;" \
"era $env_startaddr $env_endaddr;" \
"protect on $env_startaddr $env_endaddr\0"
#define CONFIG_BOOTDELAY 5
/*
* BOOTP options
*/
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_ENV_OVERWRITE
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_BSP
#define CONFIG_CMD_DIAG
#define CONFIG_CMD_ELF
#define CONFIG_CMD_ENV
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_PCI
#define CONFIG_CMD_PING
#define CONFIG_CMD_SDRAM
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#if 1
#define CFG_HUSH_PARSER 1 /* use "hush" command parser */
#endif
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif
#define CONFIG_ETHADDR DE:AD:BE:EF:01:01 /* Ethernet address */
#define CONFIG_IPADDR 192.168.193.102
#define CONFIG_NETMASK 255.255.255.248
#define CONFIG_SERVERIP 192.168.193.99
#define CONFIG_STATUS_LED /* Status LED enabled */
#define CONFIG_BOARD_SPECIFIC_LED /* version has board specific leds */
#define STATUS_LED_BIT 0x00000001
#define STATUS_LED_PERIOD (CFG_HZ / 2)
#define STATUS_LED_STATE STATUS_LED_BLINKING
#define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
#define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
#ifndef __ASSEMBLY__
/* LEDs */
typedef unsigned int led_id_t;
#define __led_toggle(_msk) \
do { \
*((volatile char *) (CFG_LED_BASE)) ^= (_msk); \
} while(0)
#define __led_set(_msk, _st) \
do { \
if ((_st)) \
*((volatile char *) (CFG_LED_BASE)) |= (_msk); \
else \
*((volatile char *) (CFG_LED_BASE)) &= ~(_msk); \
} while(0)
#define __led_init(msk, st) __led_set(msk, st)
#endif
#define CONFIG_MISC_INIT_R
#define CFG_LED_BASE 0xFFE80000
/* Print Buffer Size
*/
#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_LOAD_ADDR 0x00100000 /* Default load address */
/*-----------------------------------------------------------------------
* 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_FLASH_BASE 0xFFF00000
#define CFG_RESET_ADDRESS 0xFFF00100
#define CFG_EUMB_ADDR 0xFCE00000
#define CFG_MONITOR_BASE TEXT_BASE
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_MEMTEST_START 0x00004000 /* memtest works on */
#define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
/* Maximum amount of RAM.
*/
#define CFG_MAX_RAM_SIZE 0x10000000
#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
#undef CFG_RAMBOOT
#else
#define CFG_RAMBOOT
#endif
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area
*/
/* Size in bytes reserved for initial data
*/
#define CFG_GBL_DATA_SIZE 128
#define CFG_INIT_RAM_ADDR 0x40000000
#define CFG_INIT_RAM_END 0x1000
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
/*
* NS16550 Configuration
*/
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE 1
#define CFG_NS16550_CLK 3686400
#define CFG_NS16550_COM1 0xFFF80000
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
* For the detail description refer to the MPC8240 user's manual.
*/
#define CONFIG_SYS_CLK_FREQ 33000000
#define CFG_HZ 1000
#define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 3
/* Bit-field values for MCCR1.
*/
#define CFG_ROMNAL 0
#define CFG_ROMFAL 7
/* Bit-field values for MCCR2.
*/
#define CFG_REFINT 430 /* Refresh interval */
/* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
*/
#define CFG_BSTOPRE 192
/* Bit-field values for MCCR3.
*/
#define CFG_REFREC 2 /* Refresh to activate interval */
#define CFG_RDLAT 3 /* Data latancy from read command */
/* Bit-field values for MCCR4.
*/
#define CFG_PRETOACT 2 /* Precharge to activate interval */
#define CFG_ACTTOPRE 5 /* Activate to Precharge interval */
#define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latancy */
#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
#define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length */
#define CFG_ACTORW 2
#define CFG_REGISTERD_TYPE_BUFFER 1
/* Memory bank settings.
* Only bits 20-29 are actually used from these vales to set the
* start/end addresses. The upper two bits will always be 0, and the lower
* 20 bits will be 0x00000 for a start address, or 0xfffff for an end
* address. Refer to the MPC8240 book.
*/
#define CFG_BANK0_START 0x00000000
#define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
#define CFG_BANK0_ENABLE 1
#define CFG_BANK1_START 0x3ff00000
#define CFG_BANK1_END 0x3fffffff
#define CFG_BANK1_ENABLE 0
#define CFG_BANK2_START 0x3ff00000
#define CFG_BANK2_END 0x3fffffff
#define CFG_BANK2_ENABLE 0
#define CFG_BANK3_START 0x3ff00000
#define CFG_BANK3_END 0x3fffffff
#define CFG_BANK3_ENABLE 0
#define CFG_BANK4_START 0x3ff00000
#define CFG_BANK4_END 0x3fffffff
#define CFG_BANK4_ENABLE 0
#define CFG_BANK5_START 0x3ff00000
#define CFG_BANK5_END 0x3fffffff
#define CFG_BANK5_ENABLE 0
#define CFG_BANK6_START 0x3ff00000
#define CFG_BANK6_END 0x3fffffff
#define CFG_BANK6_ENABLE 0
#define CFG_BANK7_START 0x3ff00000
#define CFG_BANK7_END 0x3fffffff
#define CFG_BANK7_ENABLE 0
#define CFG_ODCR 0xff
#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_IBAT3L (0xFC000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
#define CFG_IBAT3U (0xFC000000 | BATU_BL_64M | BATU_VS | BATU_VP)
#define CFG_DBAT0L CFG_IBAT0L
#define CFG_DBAT0U CFG_IBAT0U
#define CFG_DBAT1L CFG_IBAT1L
#define CFG_DBAT1U CFG_IBAT1U
#define CFG_DBAT2L CFG_IBAT2L
#define CFG_DBAT2U CFG_IBAT2U
#define CFG_DBAT3L CFG_IBAT3L
#define CFG_DBAT3U CFG_IBAT3U
/*
* 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 flash banks */
#define CFG_MAX_FLASH_SECT 256 /* Max number of sectors in one bank */
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
/*
* Init Memory Controller:
*
* BR0/1 and OR0/1 (FLASH)
*/
#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
/* Warining: environment is not EMBEDDED in the U-Boot code.
* It's stored in flash separately.
*/
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR 0xFFF70000
#define CFG_ENV_SIZE 0x4000 /* Size of the Environment */
#define CFG_ENV_OFFSET 0 /* starting right at the beginning */
#define CFG_ENV_SECT_SIZE 0x40000 /* Size of the Environment Sector */
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 32
#if defined(CONFIG_CMD_KGDB)
# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
#endif
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
/*-----------------------------------------------------------------------
* PCI stuff
*-----------------------------------------------------------------------
*/
#define CONFIG_PCI /* include pci support */
#define CONFIG_PCI_PNP /* we need Plug 'n Play */
#define CONFIG_NET_MULTI /* Multi ethernet cards support */
#define CONFIG_TULIP
#define CONFIG_EEPRO100
#define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
#endif /* __CONFIG_H */