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