include/configs/openrisc-generic.h

   1 /*
   2  * (C) Copyright 2011, Stefan Kristiansson, stefan.kristianssons@saunalahti.fi
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #ifndef __CONFIG_H
   8 #define __CONFIG_H
   9
  10 /*
  11  * BOARD/CPU
  12  */
  13 #define CONFIG_SYS_CLK_FREQ             50000000
  14 #define CONFIG_SYS_RESET_ADDR           0x00000100
  15
  16 #define CONFIG_SYS_SDRAM_BASE           0x00000000
  17 #define CONFIG_SYS_SDRAM_SIZE           0x02000000
  18
  19 #define CONFIG_SYS_CACHELINE_SIZE       16
  20
  21 #define CONFIG_SYS_UART_BASE            0x90000000
  22 #define CONFIG_SYS_UART_FREQ            CONFIG_SYS_CLK_FREQ
  23 #define CONFIG_SYS_UART_BAUD            115200
  24
  25 #define CONFIG_BOARD_NAME               "OpenRISC Generic"
  26
  27 #define CONFIG_SYS_MAX_FLASH_SECT       0
  28
  29 /*
  30  * SERIAL
  31  */
  32 # define CONFIG_SYS_NS16550_SERIAL
  33 # define CONFIG_SYS_NS16550_REG_SIZE    1
  34 # define CONFIG_CONS_INDEX              1
  35 # define CONFIG_SYS_NS16550_COM1        (0x90000000)
  36 # define CONFIG_SYS_NS16550_CLK         CONFIG_SYS_CLK_FREQ
  37
  38 #define CONFIG_BAUDRATE                 CONFIG_SYS_UART_BAUD
  39 #define CONFIG_SYS_BAUDRATE_TABLE       {CONFIG_BAUDRATE}
  40 #define CONSOLE_ARG                     "console=console=ttyS0,115200\0"
  41
  42 /*
  43  * Ethernet
  44  */
  45 #define CONFIG_SYS_ETHOC_BASE           0x92000000
  46
  47 #define CONFIG_BOOTFILE                 "boot.img"
  48 #define CONFIG_LOADADDR                 0x100000 /* 1MB mark */
  49
  50 /*
  51  * TIMER
  52  */
  53 #define CONFIG_SYS_OPENRISC_TMR_HZ      100
  54
  55 /*
  56  * Memory organisation:
  57  *
  58  * RAM start ---------------------------
  59  *           | ...                     |
  60  *           ---------------------------
  61  *           | Stack                   |
  62  *           ---------------------------
  63  *           | Global data             |
  64  *           ---------------------------
  65  *           | Environment             |
  66  *           ---------------------------
  67  *           | Monitor                 |
  68  * RAM end   ---------------------------
  69  */
  70 /* We're running in RAM */
  71 #define CONFIG_MONITOR_IS_IN_RAM
  72 #define CONFIG_SYS_MONITOR_LEN  0x40000 /* Reserve 256k */
  73 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_SDRAM_BASE + \
  74                                 CONFIG_SYS_SDRAM_SIZE - \
  75                                 CONFIG_SYS_MONITOR_LEN)
  76
  77 #define CONFIG_ENV_IS_NOWHERE
  78 #define CONFIG_ENV_SIZE         0x20000 /* Total Size of Environment, 128KB */
  79 #define CONFIG_ENV_ADDR         (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
  80
  81 /*
  82  * Global data object and stack pointer
  83  */
  84 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_ENV_ADDR \
  85                                         - GENERATED_GBL_DATA_SIZE)
  86 #define CONFIG_SYS_GBL_DATA_ADDR        CONFIG_SYS_GBL_DATA_OFFSET
  87 #define CONFIG_SYS_INIT_SP_ADDR         CONFIG_SYS_GBL_DATA_OFFSET
  88 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
  89 #define CONFIG_SYS_STACK_LENGTH         0x10000 /* 64KB */
  90 #define CONFIG_SYS_MALLOC_LEN           0x400000 /* 4MB */
  91 #define CONFIG_SYS_MALLOC_BASE          (CONFIG_SYS_INIT_SP_OFFSET \
  92                                         - CONFIG_SYS_STACK_LENGTH \
  93                                         - CONFIG_SYS_MALLOC_LEN)
  94 /*
  95  * MISC
  96  */
  97 #define CONFIG_SYS_LONGHELP             /* Provide extended help */
  98 #define CONFIG_SYS_CBSIZE               256     /* Console I/O buf size */
  99 #define CONFIG_SYS_MAXARGS              16      /* Max command args     */
 100 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE /* Bootarg buf size */
 101 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
 102                                         sizeof(CONFIG_SYS_PROMPT) + \
 103                                         16)     /* Print buf size */
 104 #define CONFIG_SYS_LOAD_ADDR            CONFIG_SYS_SDRAM_BASE
 105 #define CONFIG_SYS_MEMTEST_START        (CONFIG_SYS_SDRAM_BASE + 0x2000)
 106 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_INIT_SP_ADDR - 0x20000)
 107 #define CONFIG_CMDLINE_EDITING
 108
 109 /*
 110  * Command line configuration.
 111  */
 112 #define CONFIG_CMD_IRQ
 113 #define CONFIG_CMD_BSP
 114
 115 #define CONFIG_LMB
 116
 117 /*
 118  * BOOTP options
 119  */
 120 #define CONFIG_BOOTP_BOOTFILESIZE
 121 #define CONFIG_BOOTP_BOOTPATH
 122 #define CONFIG_BOOTP_GATEWAY
 123 #define CONFIG_BOOTP_HOSTNAME
 124
 125 #endif /* __CONFIG_H */