include/configs/M5272C3.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Configuation settings for the Motorola MC5272C3 board.
   4  *
   5  * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
   6  */
   7
   8 /*
   9  * board/config.h - configuration options, board specific
  10  */
  11
  12 #ifndef _M5272C3_H
  13 #define _M5272C3_H
  14
  15 /*
  16  * High Level Configuration Options
  17  * (easy to change)
  18  */
  19
  20 #define CFG_SYS_UART_PORT               (0)
  21
  22 /* Configuration for environment
  23  * Environment is embedded in u-boot in the second sector of the flash
  24  */
  25
  26 #define LDS_BOARD_TEXT \
  27         . = DEFINED(env_offset) ? env_offset : .; \
  28         env/embedded.o(.text);
  29
  30 #define CFG_EXTRA_ENV_SETTINGS          \
  31         "netdev=eth0\0"                         \
  32         "loadaddr=10000\0"                      \
  33         "u-boot=u-boot.bin\0"                   \
  34         "load=tftp ${loadaddr) ${u-boot}\0"     \
  35         "upd=run load; run prog\0"              \
  36         "prog=prot off ffe00000 ffe3ffff;"      \
  37         "era ffe00000 ffe3ffff;"                \
  38         "cp.b ${loadaddr} ffe00000 ${filesize};"\
  39         "save\0"                                \
  40         ""
  41
  42 #define CFG_SYS_CLK                     66000000
  43
  44 /*
  45  * Low Level Configuration Settings
  46  * (address mappings, register initial values, etc.)
  47  * You should know what you are doing if you make changes here.
  48  */
  49 #define CFG_SYS_MBAR            0x10000000      /* Register Base Addrs */
  50 #define CFG_SYS_SCR                     0x0003
  51 #define CFG_SYS_SPR                     0xffff
  52
  53 /*-----------------------------------------------------------------------
  54  * Definitions for initial stack pointer and data area (in DPRAM)
  55  */
  56 #define CFG_SYS_INIT_RAM_ADDR   0x20000000
  57 #define CFG_SYS_INIT_RAM_SIZE   0x1000  /* Size of used area in internal SRAM    */
  58
  59 /*-----------------------------------------------------------------------
  60  * Start addresses for the final memory configuration
  61  * (Set up by the startup code)
  62  * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0
  63  */
  64 #define CFG_SYS_SDRAM_BASE              0x00000000
  65 #define CFG_SYS_SDRAM_SIZE              4       /* SDRAM size in MB */
  66 #define CFG_SYS_FLASH_BASE              0xffe00000
  67
  68 /*
  69  * For booting Linux, the board info and command line data
  70  * have to be in the first 8 MB of memory, since this is
  71  * the maximum mapped by the Linux kernel during initialization ??
  72  */
  73 #define CFG_SYS_BOOTMAPSZ               (CFG_SYS_SDRAM_BASE + (CFG_SYS_SDRAM_SIZE << 20))
  74
  75 /*
  76  * FLASH organization
  77  */
  78 #ifdef CONFIG_SYS_FLASH_CFI
  79 #       define CFG_SYS_FLASH_SIZE               0x800000        /* Max size that the board might have */
  80 #endif
  81
  82 /*-----------------------------------------------------------------------
  83  * Cache Configuration
  84  */
  85
  86 #define ICACHE_STATUS                   (CFG_SYS_INIT_RAM_ADDR + \
  87                                          CFG_SYS_INIT_RAM_SIZE - 8)
  88 #define DCACHE_STATUS                   (CFG_SYS_INIT_RAM_ADDR + \
  89                                          CFG_SYS_INIT_RAM_SIZE - 4)
  90 #define CFG_SYS_ICACHE_INV              (CF_CACR_CINV | CF_CACR_INVI)
  91 #define CFG_SYS_CACHE_ACR0              (CFG_SYS_SDRAM_BASE | \
  92                                          CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \
  93                                          CF_ACR_EN | CF_ACR_SM_ALL)
  94 #define CFG_SYS_CACHE_ICACR             (CF_CACR_CENB | CF_CACR_CINV | \
  95                                          CF_CACR_DISD | CF_CACR_INVI | \
  96                                          CF_CACR_CEIB | CF_CACR_DCM | \
  97                                          CF_CACR_EUSP)
  98
  99 /*-----------------------------------------------------------------------
 100  * Port configuration
 101  */
 102 #define CFG_SYS_PACNT           0x00000000
 103 #define CFG_SYS_PADDR           0x0000
 104 #define CFG_SYS_PADAT           0x0000
 105 #define CFG_SYS_PBCNT           0x55554155      /* Ethernet/UART configuration */
 106 #define CFG_SYS_PBDDR           0x0000
 107 #define CFG_SYS_PBDAT           0x0000
 108 #define CFG_SYS_PDCNT           0x00000000
 109
 110 #endif                          /* _M5272C3_H */