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/stamp.h

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/*
* U-boot - stamp.h Configuration file for STAMP board
* having BF533 processor
*
* Copyright (c) 2005 blackfin.uclinux.org
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_STAMP_H__
#define __CONFIG_STAMP_H__
/*
* Board settings
*
*/
#define __ADSPLPBLACKFIN__ 1
#define __ADSPBF533__ 1
#define CONFIG_STAMP 1
#define CONFIG_RTC_BF533 1
/* FLASH/ETHERNET uses the same address range */
#define SHARED_RESOURCES 1
#define CONFIG_VDSP 1
/*
* Clock settings
*
*/
/* CONFIG_CLKIN_HZ is any value in Hz */
#define CONFIG_CLKIN_HZ 11059200
/* CONFIG_CLKIN_HALF controls what is passed to PLL 0=CLKIN */
/* 1=CLKIN/2 */
#define CONFIG_CLKIN_HALF 0
/* CONFIG_PLL_BYPASS controls if the PLL is used 0=don't bypass */
/* 1=bypass PLL */
#define CONFIG_PLL_BYPASS 0
/* CONFIG_VCO_MULT controls what the multiplier of the PLL is. */
/* Values can range from 1-64 */
#define CONFIG_VCO_MULT 45
/* CONFIG_CCLK_DIV controls what the core clock divider is */
/* Values can be 1, 2, 4, or 8 ONLY */
#define CONFIG_CCLK_DIV 1
/* CONFIG_SCLK_DIV controls what the peripheral clock divider is */
/* Values can range from 1-15 */
#define CONFIG_SCLK_DIV 6
/*
* Network Settings
*/
/* network support */
#define CONFIG_IPADDR 192.168.0.15
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.2
#define CONFIG_HOSTNAME STAMP
#define CONFIG_ROOTPATH /checkout/uClinux-dist/romfs
/* To remove hardcoding and enable MAC storage in EEPROM */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:b8 */
/*
* Command settings
*
*/
#define CFG_LONGHELP 1
#define CONFIG_BOOTDELAY 5
#define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */
#define CONFIG_BOOTCOMMAND "run ramboot"
#define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n"
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
CFG_CMD_PING | \
CFG_CMD_ELF | \
CFG_CMD_I2C | \
CFG_CMD_CACHE | \
CFG_CMD_JFFS2 | \
CFG_CMD_DATE)
#define CONFIG_BOOTARGS "root=/dev/mtdblock0 rw"
#define CONFIG_EXTRA_ENV_SETTINGS \
"ramargs=setenv bootargs root=/dev/mtdblock0 rw\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw " \
"nfsroot=$(serverip):$(rootpath)\0" \
"addip=setenv bootargs $(bootargs) " \
"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
":$(hostname):eth0:off\0" \
"ramboot=tftpboot 0x1000000 linux;" \
"run ramargs;run addip;bootelf\0" \
"nfsboot=tftpboot 0x1000000 linux;" \
"run nfsargs;run addip;bootelf\0" \
"flashboot=bootm 0x20100000\0" \
""
/* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/*
* Console settings
*
*/
#define CONFIG_BAUDRATE 57600
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CFG_PROMPT "stamp>" /* Monitor Command Prompt */
#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 CONFIG_LOADS_ECHO 1
/*
* Network settings
*
*/
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x20300300
/* To remove hardcoding and enable MAC storage in EEPROM */
/* #define HARDCODE_MAC 1 */
/*
* Flash settings
*
*/
#define CFG_FLASH_CFI /* The flash is CFI compatible */
#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
#define CFG_FLASH_CFI_AMD_RESET
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_FLASH_BASE 0x20000000
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
#define CFG_ENV_ADDR 0x20020000
#define CFG_ENV_SIZE 0x10000
#define CFG_ENV_SECT_SIZE 0x10000 /* Total Size of Environment Sector */
#define CFG_FLASH_ERASE_TOUT 30000 /* Timeout for Chip Erase (in ms) */
#define CFG_FLASH_ERASEBLOCK_TOUT 5000 /* Timeout for Block Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */
/* JFFS Partition offset set */
#define CFG_JFFS2_FIRST_BANK 0
#define CFG_JFFS2_NUM_BANKS 1
/* 512k reserved for u-boot */
#define CFG_JFFS2_FIRST_SECTOR 11
/*
* following timeouts shall be used once the
* Flash real protection is enabled
*/
#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
/*
* I2C settings
* By default PF2 is used as SDA and PF3 as SCL on the Stamp board
*/
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
/*
* Software (bit-bang) I2C driver configuration
*/
#define PF_SCL PF3
#define PF_SDA PF2
#define I2C_INIT (*pFIO_DIR |= PF_SCL); asm("ssync;")
#define I2C_ACTIVE (*pFIO_DIR |= PF_SDA); *pFIO_INEN &= ~PF_SDA; asm("ssync;")
#define I2C_TRISTATE (*pFIO_DIR &= ~PF_SDA); *pFIO_INEN |= PF_SDA; asm("ssync;")
#define I2C_READ ((volatile)(*pFIO_FLAG_D & PF_SDA) != 0); asm("ssync;")
#define I2C_SDA(bit) if(bit) { \
*pFIO_FLAG_S = PF_SDA; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SDA; \
asm("ssync;"); \
}
#define I2C_SCL(bit) if(bit) { \
*pFIO_FLAG_S = PF_SCL; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SCL; \
asm("ssync;"); \
}
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
#define CFG_I2C_SPEED 50000
#define CFG_I2C_SLAVE 0xFE
/*
* Compact Flash settings
*/
/* Enabled below option for CF support */
/* #define CONFIG_STAMP_CF 1 */
#if defined(CONFIG_STAMP_CF) && (CONFIG_COMMANDS & CFG_CMD_IDE)
#define CONFIG_MISC_INIT_R 1
#define CONFIG_DOS_PARTITION 1
/*
* IDE/ATA stuff
*/
#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
#undef CONFIG_IDE_LED /* no led for ide supported */
#undef CONFIG_IDE_RESET /* no reset for ide supported */
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE busses */
#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
#define CFG_ATA_BASE_ADDR 0x20200000
#define CFG_ATA_IDE0_OFFSET 0x0000
#define CFG_ATA_DATA_OFFSET 0x0020 /* Offset for data I/O */
#define CFG_ATA_REG_OFFSET 0x0020 /* Offset for normal register accesses */
#define CFG_ATA_ALT_OFFSET 0x0007 /* Offset for alternate registers */
#define CFG_ATA_STRIDE 2
#endif
/*
* SDRAM settings
*
*/
#define CONFIG_MEM_SIZE 128 /* 128, 64, 32, 16 */
#define CONFIG_MEM_ADD_WDTH 11 /* 8, 9, 10, 11 */
#define CONFIG_MEM_MT48LC64M4A2FB_7E 1
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x07EFFFFF /* 1 ... 127 MB in DRAM */
#define CFG_LOAD_ADDR 0x01000000 /* default load address */
#define CFG_SDRAM_BASE 0x00000000
#define CFG_MAX_RAM_SIZE 0x08000000
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
#if ( CONFIG_CLKIN_HALF == 0 )
#define CONFIG_VCO_HZ ( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT )
#else
#define CONFIG_VCO_HZ (( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT ) / 2 )
#endif
#if (CONFIG_PLL_BYPASS == 0)
#define CONFIG_CCLK_HZ ( CONFIG_VCO_HZ / CONFIG_CCLK_DIV )
#define CONFIG_SCLK_HZ ( CONFIG_VCO_HZ / CONFIG_SCLK_DIV )
#else
#define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
#define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
#endif
/*
* Miscellaneous configurable options
*/
#define CFG_HZ 1000 /* 1ms time tick */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
#define CFG_GBL_DATA_SIZE 0x4000
#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)
#define CFG_LARGE_IMAGE_LEN 0x4000000 /* Large Image Length, set to 64 Meg */
#define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
/*
* Stack sizes
*/
#define CONFIG_STACKSIZE (128*1024) /* regular stack */
/*
* FLASH organization and environment definitions
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/* 0xFF, 0xBBC3BBc3, 0x99B39983 */
/*#define AMGCTLVAL (AMBEN_P0 | AMBEN_P1 | AMBEN_P2 | AMCKEN)
#define AMBCTL0VAL (B1WAT_11 | B1RAT_11 | B1HT_3 | B1ST_4 | B1TT_4 | B1RDYPOL | \
B1RDYEN | B0WAT_11 | B0RAT_11 | B0HT_3 | B0ST_4 | B0TT_4 | B0RDYPOL | B0RDYEN)
#define AMBCTL1VAL (B3WAT_9 | B3RAT_9 | B3HT_2 | B3ST_3 | B3TT_4 | B3RDYPOL | \
B3RDYEN | B2WAT_9 | B2RAT_9 | B2HT_2 | B2ST_4 | B2TT_4 | B2RDYPOL | B2RDYEN)
*/
#define AMGCTLVAL 0xFF
#define AMBCTL0VAL 0xBBC3BBC3
#define AMBCTL1VAL 0x99B39983
#define CF_AMBCTL1VAL 0x99B3ffc2
#ifdef CONFIG_VDSP
#define ET_EXEC_VDSP 0x8
#define SHT_STRTAB_VDSP 0x1
#define ELFSHDRSIZE_VDSP 0x2C
#define VDSP_ENTRY_ADDR 0xFFA00000
#endif
#endif