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/EP88x.h

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/*
* Copyright (C) 2005 Arabella Software Ltd.
* Yuli Barcohen <yuli@arabellasw.com>
*
* Support for Embedded Planet EP88x boards.
* Tested on EP88xC with MPC885 CPU, 64MB SDRAM and 16MB flash.
*
* 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_H
#define __CONFIG_H
#define CONFIG_MPC885
#define CONFIG_EP88X /* Embedded Planet EP88x board */
#define CONFIG_BOARD_EARLY_INIT_F /* Call board_early_init_f */
/* Allow serial number (serial#) and MAC address (ethaddr) to be overwritten */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
#define CONFIG_BAUDRATE 38400
#define CONFIG_ETHER_ON_FEC1 /* Enable Ethernet on FEC1 */
#define CONFIG_ETHER_ON_FEC2 /* Enable Ethernet on FEC2 */
#if defined(CONFIG_ETHER_ON_FEC1) || defined(CONFIG_ETHER_ON_FEC2)
#define CFG_DISCOVER_PHY
#define FEC_ENET
#endif /* CONFIG_FEC_ENET */
#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */
#define CONFIG_8xx_CPUCLK_DEFAULT 100000000
#define CFG_8xx_CPUCLK_MIN 40000000
#define CFG_8xx_CPUCLK_MAX 133000000
#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
| CFG_CMD_DHCP \
| CFG_CMD_IMMAP \
| CFG_CMD_MII \
| CFG_CMD_PING \
)
/* This must be included AFTER the definition of CONFIG_COMMANDS */
#include <cmd_confdefs.h>
#define CONFIG_BOOTDELAY 5 /* Autoboot after 5 seconds */
#define CONFIG_BOOTCOMMAND "bootm fe060000" /* Autoboot command */
#define CONFIG_BOOTARGS "root=/dev/mtdblock1 rw mtdparts=phys:2M(ROM)ro,-(root)"
#define CONFIG_BZIP2 /* Include support for bzip2 compressed images */
#undef CONFIG_WATCHDOG /* Disable platform specific watchdog */
/*-----------------------------------------------------------------------
* Miscellaneous configurable options
*/
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#define CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#define CFG_LONGHELP /* #undef to save memory */
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#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 0x400000 /* Default load address */
#define CFG_HZ 1000 /* Decrementer freq: 1 ms ticks */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
/*-----------------------------------------------------------------------
* RAM configuration (note that CFG_SDRAM_BASE must be zero)
*/
#define CFG_SDRAM_BASE 0x00000000
#define CFG_SDRAM_MAX_SIZE 0x08000000 /* Up to 128 Mbyte */
#define CFG_MAMR 0x00805000
/*
* 4096 Up to 4096 SDRAM rows
* 1000 factor s -> ms
* 32 PTP (pre-divider from MPTPR)
* 4 Number of refresh cycles per period
* 64 Refresh cycle in ms per number of rows
*/
#define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x00500000 /* 1 ... 5 MB in SDRAM */
#define CFG_RESET_ADDRESS 0x09900000
/*-----------------------------------------------------------------------
* 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 */
#define CFG_MONITOR_BASE TEXT_BASE
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 KB for Monitor */
#ifdef CONFIG_BZIP2
#define CFG_MALLOC_LEN (4096 << 10) /* Reserve ~4 MB for malloc() */
#else
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 KB for malloc() */
#endif /* CONFIG_BZIP2 */
/*-----------------------------------------------------------------------
* Flash organisation
*/
#define CFG_FLASH_BASE 0xFC000000
#define CFG_FLASH_CFI /* The flash is CFI compatible */
#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
#define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
#define CFG_MAX_FLASH_SECT 512 /* Max num of sects on one chip */
/* Environment is in flash */
#define CFG_ENV_IS_IN_FLASH
#define CFG_ENV_SECT_SIZE 0x20000 /* We use one complete sector */
#define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
#define CFG_OR0_PRELIM 0xFC000160
#define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_PS_32 | BR_MS_GPCM | BR_V)
#define CFG_DIRECT_FLASH_TFTP
/*-----------------------------------------------------------------------
* BCSR
*/
#define CFG_OR3_PRELIM 0xFF0005B0
#define CFG_BR3_PRELIM (0xFA000000 |BR_PS_16 | BR_MS_GPCM | BR_V)
#define CFG_BCSR 0xFA400000
/*-----------------------------------------------------------------------
* Internal Memory Map Register
*/
#define CFG_IMMR 0xF0000000
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CFG_INIT_RAM_ADDR CFG_IMMR
#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
#define CFG_GBL_DATA_SIZE 128 /* 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
/*-----------------------------------------------------------------------
* Configuration registers
*/
#ifdef CONFIG_WATCHDOG
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \
SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | \
SYPCR_SWP)
#else
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \
SYPCR_SWF | SYPCR_SWP)
#endif /* CONFIG_WATCHDOG */
#define CFG_SIUMCR (SIUMCR_MLRC01 | SIUMCR_DBGC11)
/* TBSCR - Time Base Status and Control Register */
#define CFG_TBSCR (TBSCR_TBF | TBSCR_TBE)
/* PISCR - Periodic Interrupt Status and Control */
#define CFG_PISCR PISCR_PS
/* SCCR - System Clock and reset Control Register */
#define SCCR_MASK SCCR_EBDF11
#define CFG_SCCR SCCR_RTSEL
#define CFG_DER 0
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx chips */
/*-----------------------------------------------------------------------
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from flash */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#endif /* __CONFIG_H */