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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/ml401.h

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/*
* (C) Copyright 2007-2008 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*
* 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
#include "../board/xilinx/ml401/xparameters.h"
#define CONFIG_MICROBLAZE 1 /* MicroBlaze CPU */
#define MICROBLAZE_V5 1
#define CONFIG_ML401 1 /* ML401 Board */
/* uart */
#ifdef XILINX_UARTLITE_BASEADDR
#define CONFIG_XILINX_UARTLITE
#define CONFIG_SERIAL_BASE XILINX_UARTLITE_BASEADDR
#define CONFIG_BAUDRATE XILINX_UARTLITE_BAUDRATE
#define CFG_BAUDRATE_TABLE { CONFIG_BAUDRATE }
#else
#ifdef XILINX_UART16550_BASEADDR
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE 4
#define CONFIG_CONS_INDEX 1
#define CFG_NS16550_COM1 XILINX_UART16550_BASEADDR
#define CFG_NS16550_CLK XILINX_UART16550_CLOCK_HZ
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE { 9600, 115200 }
#endif
#endif
/* setting reset address */
/*#define CFG_RESET_ADDRESS TEXT_BASE*/
/* ethernet */
#ifdef XILINX_EMAC_BASEADDR
#define CONFIG_XILINX_EMAC 1
#define CFG_ENET
#else
#ifdef XILINX_EMACLITE_BASEADDR
#define CONFIG_XILINX_EMACLITE 1
#define CFG_ENET
#endif
#endif
#undef ET_DEBUG
/* gpio */
#ifdef XILINX_GPIO_BASEADDR
#define CFG_GPIO_0 1
#define CFG_GPIO_0_ADDR XILINX_GPIO_BASEADDR
#endif
/* interrupt controller */
#ifdef XILINX_INTC_BASEADDR
#define CFG_INTC_0 1
#define CFG_INTC_0_ADDR XILINX_INTC_BASEADDR
#define CFG_INTC_0_NUM XILINX_INTC_NUM_INTR_INPUTS
#endif
/* timer */
#ifdef XILINX_TIMER_BASEADDR
#if (XILINX_TIMER_IRQ != -1)
#define CFG_TIMER_0 1
#define CFG_TIMER_0_ADDR XILINX_TIMER_BASEADDR
#define CFG_TIMER_0_IRQ XILINX_TIMER_IRQ
#define FREQUENCE XILINX_CLOCK_FREQ
#define CFG_TIMER_0_PRELOAD ( FREQUENCE/1000 )
#endif
#else
#ifdef XILINX_CLOCK_FREQ
#define CONFIG_XILINX_CLOCK_FREQ XILINX_CLOCK_FREQ
#else
#error BAD CLOCK FREQ
#endif
#endif
/* FSL */
/* #define CFG_FSL_2 */
/* #define FSL_INTR_2 1 */
/*
* memory layout - Example
* TEXT_BASE = 0x1200_0000;
* CFG_SRAM_BASE = 0x1000_0000;
* CFG_SRAM_SIZE = 0x0400_0000;
*
* CFG_GBL_DATA_OFFSET = 0x1000_0000 + 0x0400_0000 - 0x1000 = 0x13FF_F000
* CFG_MONITOR_BASE = 0x13FF_F000 - 0x40000 = 0x13FB_F000
* CFG_MALLOC_BASE = 0x13FB_F000 - 0x40000 = 0x13F7_F000
*
* 0x1000_0000 CFG_SDRAM_BASE
* FREE
* 0x1200_0000 TEXT_BASE
* U-BOOT code
* 0x1202_0000
* FREE
*
* STACK
* 0x13F7_F000 CFG_MALLOC_BASE
* MALLOC_AREA 256kB Alloc
* 0x11FB_F000 CFG_MONITOR_BASE
* MONITOR_CODE 256kB Env
* 0x13FF_F000 CFG_GBL_DATA_OFFSET
* GLOBAL_DATA 4kB bd, gd
* 0x1400_0000 CFG_SDRAM_BASE + CFG_SDRAM_SIZE
*/
/* ddr sdram - main memory */
#define CFG_SDRAM_BASE XILINX_RAM_START
#define CFG_SDRAM_SIZE XILINX_RAM_SIZE
#define CFG_MEMTEST_START CFG_SDRAM_BASE
#define CFG_MEMTEST_END (CFG_SDRAM_BASE + 0x1000)
/* global pointer */
#define CFG_GBL_DATA_SIZE 0x1000 /* size of global data */
/* start of global data */
#define CFG_GBL_DATA_OFFSET (CFG_SDRAM_BASE + CFG_SDRAM_SIZE - CFG_GBL_DATA_SIZE)
/* monitor code */
#define SIZE 0x40000
#define CFG_MONITOR_LEN SIZE
#define CFG_MONITOR_BASE (CFG_GBL_DATA_OFFSET - CFG_MONITOR_LEN)
#define CFG_MONITOR_END (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
#define CFG_MALLOC_LEN SIZE
#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
/* stack */
#define CFG_INIT_SP_OFFSET CFG_MONITOR_BASE
/*#define RAMENV */
#define FLASH
#ifdef FLASH
#define CFG_FLASH_BASE XILINX_FLASH_START
#define CFG_FLASH_SIZE XILINX_FLASH_SIZE
#define CFG_FLASH_CFI 1
#define CONFIG_FLASH_CFI_DRIVER 1
#define CFG_FLASH_EMPTY_INFO 1 /* ?empty sector */
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
#define CFG_FLASH_PROTECTION /* hardware flash protection */
#ifdef RAMENV
#define CFG_ENV_IS_NOWHERE 1
#define CFG_ENV_SIZE 0x1000
#define CFG_ENV_ADDR (CFG_MONITOR_BASE - CFG_ENV_SIZE)
#else /* !RAMENV */
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */
#define CFG_ENV_ADDR (CFG_FLASH_BASE + (2 * CFG_ENV_SECT_SIZE))
#define CFG_ENV_SIZE 0x40000
#endif /* !RAMBOOT */
#else /* !FLASH */
/* ENV in RAM */
#define CFG_NO_FLASH 1
#define CFG_ENV_IS_NOWHERE 1
#define CFG_ENV_SIZE 0x1000
#define CFG_ENV_ADDR (CFG_MONITOR_BASE - CFG_ENV_SIZE)
#define CFG_FLASH_PROTECTION /* hardware flash protection */
#endif /* !FLASH */
/* system ace */
#ifdef XILINX_SYSACE_BASEADDR
#define CONFIG_SYSTEMACE
/* #define DEBUG_SYSTEMACE */
#define SYSTEMACE_CONFIG_FPGA
#define CFG_SYSTEMACE_BASE XILINX_SYSACE_BASEADDR
#define CFG_SYSTEMACE_WIDTH XILINX_SYSACE_MEM_WIDTH
#define CONFIG_DOS_PARTITION
#endif
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_MFSL
#ifndef CFG_ENET
#undef CONFIG_CMD_NET
#else
#define CONFIG_CMD_PING
#endif
#if defined(CONFIG_SYSTEMACE)
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#endif
#if defined(FLASH)
#define CONFIG_CMD_ECHO
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_IMLS
#define CONFIG_CMD_JFFS2
#if !defined(RAMENV)
#define CONFIG_CMD_ENV
#define CONFIG_CMD_SAVES
#endif
#else
#undef CONFIG_CMD_FLASH
#endif
#if defined(CONFIG_CMD_JFFS2)
/* JFFS2 partitions */
#define CONFIG_JFFS2_CMDLINE /* mtdparts command line support */
#define MTDIDS_DEFAULT "nor0=ml401-0"
/* default mtd partition table */
#define MTDPARTS_DEFAULT "mtdparts=ml401-0:256k(u-boot),"\
"256k(env),3m(kernel),1m(romfs),"\
"1m(cramfs),-(jffs2)"
#endif
/* Miscellaneous configurable options */
#define CFG_PROMPT "U-Boot-mONStR> "
#define CFG_CBSIZE 512 /* size of console buffer */
#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* print buffer size */
#define CFG_MAXARGS 15 /* max number of command args */
#define CFG_LONGHELP
#define CFG_LOAD_ADDR 0x12000000 /* default load address */
#define CONFIG_BOOTDELAY 30
#define CONFIG_BOOTARGS "root=romfs"
#define CONFIG_HOSTNAME "ml401"
#define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
#define CONFIG_IPADDR 192.168.0.3
#define CONFIG_SERVERIP 192.168.0.5
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_ETHADDR 00:E0:0C:00:00:FD
/* architecture dependent code */
#define CFG_USR_EXCEP /* user exception */
#define CFG_HZ 1000
#define CONFIG_PREBOOT "echo U-BOOT for ML401;setenv preboot;echo"
#define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" /* hardware flash protection */\
"nor0=ml401-0\0"\
"mtdparts=mtdparts=ml401-0:"\
"256k(u-boot),256k(env),3m(kernel),"\
"1m(romfs),1m(cramfs),-(jffs2)\0"
#define CONFIG_CMDLINE_EDITING
#define CONFIG_OF_LIBFDT 1
#endif /* __CONFIG_H */