include/configs/socrates.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2008
   4  * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
   5  *
   6  * Wolfgang Denk <wd@denx.de>
   7  * Copyright 2004 Freescale Semiconductor.
   8  * (C) Copyright 2002,2003 Motorola,Inc.
   9  * Xianghua Xiao <X.Xiao@motorola.com>
  10  */
  11
  12 /*
  13  * Socrates
  14  */
  15
  16 #ifndef __CONFIG_H
  17 #define __CONFIG_H
  18
  19 /*
  20  * Only possible on E500 Version 2 or newer cores.
  21  */
  22
  23 /*
  24  * sysclk for MPC85xx
  25  *
  26  * Two valid values are:
  27  *    33000000
  28  *    66000000
  29  *
  30  * Most PCI cards are still 33Mhz, so in the presence of PCI, 33MHz
  31  * is likely the desired value here, so that is now the default.
  32  * The board, however, can run at 66MHz.  In any event, this value
  33  * must match the settings of some switches.  Details can be found
  34  * in the README.mpc85xxads.
  35  */
  36
  37 #define CFG_SYS_INIT_DBCR DBCR_IDM              /* Enable Debug Exceptions      */
  38
  39 #undef  CFG_SYS_DRAM_TEST                       /* memory test, takes time      */
  40
  41 #define CFG_SYS_CCSRBAR         0xE0000000
  42 #define CFG_SYS_CCSRBAR_PHYS_LOW        CFG_SYS_CCSRBAR
  43
  44 /* DDR Setup */
  45
  46 #define CONFIG_MEM_INIT_VALUE   0xDeadBeef
  47
  48 #define CFG_SYS_DDR_SDRAM_BASE  0x00000000
  49 #define CFG_SYS_SDRAM_BASE              CFG_SYS_DDR_SDRAM_BASE
  50
  51 /* I2C addresses of SPD EEPROMs */
  52 #define SPD_EEPROM_ADDRESS      0x50    /* CTLR 0 DIMM 0 */
  53
  54
  55 /* Hardcoded values, to use instead of SPD */
  56 #define CFG_SYS_DDR_CS0_BNDS            0x0000000f
  57 #define CFG_SYS_DDR_CS0_CONFIG          0x80010102
  58 #define CFG_SYS_DDR_TIMING_0            0x00260802
  59 #define CFG_SYS_DDR_TIMING_1            0x3935D322
  60 #define CFG_SYS_DDR_TIMING_2            0x14904CC8
  61 #define CFG_SYS_DDR_MODE                        0x00480432
  62 #define CFG_SYS_DDR_INTERVAL            0x030C0100
  63 #define CFG_SYS_DDR_CONFIG_2            0x04400000
  64 #define CFG_SYS_DDR_CONFIG                      0xC3008000
  65 #define CFG_SYS_DDR_CLK_CONTROL         0x03800000
  66 #define CFG_SYS_SDRAM_SIZE                      256 /* in Megs */
  67
  68 /*
  69  * Flash on the LocalBus
  70  */
  71 #define CFG_SYS_FLASH0          0xFE000000
  72 #define CFG_SYS_FLASH1          0xFC000000
  73 #define CFG_SYS_FLASH_BANKS_LIST        { CFG_SYS_FLASH1, CFG_SYS_FLASH0 }
  74
  75 #define CFG_SYS_LBC_FLASH_BASE  CFG_SYS_FLASH1  /* Localbus flash start */
  76 #define CFG_SYS_FLASH_BASE              CFG_SYS_LBC_FLASH_BASE /* start of FLASH        */
  77
  78 #define CFG_SYS_LBC_LCRR                0x00030004    /* LB clock ratio reg     */
  79 #define CFG_SYS_LBC_LBCR                0x00000000    /* LB config reg          */
  80 #define CFG_SYS_LBC_LSRT                0x20000000    /* LB sdram refresh timer */
  81 #define CFG_SYS_LBC_MRTPR               0x20000000    /* LB refresh timer presc.*/
  82
  83 #define CFG_SYS_INIT_RAM_ADDR   0xe4010000      /* Initial RAM address  */
  84 #define CFG_SYS_INIT_RAM_SIZE   0x4000          /* Size used area in RAM*/
  85
  86 #define CFG_SYS_INIT_SP_OFFSET  (CFG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  87
  88 /* FPGA and NAND */
  89 #define CFG_SYS_FPGA_BASE               0xc0000000
  90 #define CFG_SYS_FPGA_SIZE               0x00100000      /* 1 MB         */
  91
  92 #define CFG_SYS_NAND_BASE               (CFG_SYS_FPGA_BASE + 0x70)
  93
  94 /* LIME GDC */
  95 #define CFG_SYS_LIME_BASE               0xc8000000
  96
  97 /*
  98  * General PCI
  99  * Memory space is mapped 1-1.
 100  */
 101
 102 #define CFG_SYS_PCI1_MEM_PHYS   0x80000000
 103 #define CFG_SYS_PCI1_IO_PHYS    0xE2000000
 104
 105 /*
 106  * Miscellaneous configurable options
 107  */
 108
 109 /*
 110  * For booting Linux, the board info and command line data
 111  * have to be in the first 8 MB of memory, since this is
 112  * the maximum mapped by the Linux kernel during initialization.
 113  */
 114 #define CFG_SYS_BOOTMAPSZ       (8 << 20)       /* Initial Memory map for Linux */
 115
 116
 117 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 118         "netdev=eth0\0"                                                 \
 119         "consdev=ttyS0\0"                                               \
 120         "uboot_file=/home/tftp/syscon3/u-boot.bin\0"                    \
 121         "bootfile=/home/tftp/syscon3/uImage\0"                          \
 122         "fdt_file=/home/tftp/syscon3/socrates.dtb\0"                    \
 123         "initrd_file=/home/tftp/syscon3/uinitrd.gz\0"                   \
 124         "uboot_addr=FFF60000\0"                                         \
 125         "kernel_addr=FE000000\0"                                        \
 126         "fdt_addr=FE1E0000\0"                                           \
 127         "ramdisk_addr=FE200000\0"                                       \
 128         "fdt_addr_r=B00000\0"                                           \
 129         "kernel_addr_r=200000\0"                                        \
 130         "ramdisk_addr_r=400000\0"                                       \
 131         "rootpath=/opt/eldk/ppc_85xxDP\0"                               \
 132         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 133         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 134                 "nfsroot=$serverip:$rootpath\0"                         \
 135         "addcons=setenv bootargs $bootargs "                            \
 136                 "console=$consdev,$baudrate\0"                          \
 137         "addip=setenv bootargs $bootargs "                              \
 138                 "ip=$ipaddr:$serverip:$gatewayip:$netmask"              \
 139                 ":$hostname:$netdev:off panic=1\0"                      \
 140         "boot_nor=run ramargs addcons;"                                 \
 141                 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 142         "net_nfs=tftp ${kernel_addr_r} ${bootfile}; "                   \
 143                 "tftp ${fdt_addr_r} ${fdt_file}; "                      \
 144                 "run nfsargs addip addcons;"                            \
 145                 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
 146         "update_uboot=tftp 100000 ${uboot_file};"                       \
 147                 "protect off fff60000 ffffffff;"                        \
 148                 "era fff60000 ffffffff;"                                \
 149                 "cp.b 100000 fff60000 ${filesize};"                     \
 150                 "setenv filesize;saveenv\0"                             \
 151         "update_kernel=tftp 100000 ${bootfile};"                        \
 152                 "era fe000000 fe1dffff;"                                \
 153                 "cp.b 100000 fe000000 ${filesize};"                     \
 154                 "setenv filesize;saveenv\0"                             \
 155         "update_fdt=tftp 100000 ${fdt_file};"                           \
 156                 "era fe1e0000 fe1fffff;"                                \
 157                 "cp.b 100000 fe1e0000 ${filesize};"                     \
 158                 "setenv filesize;saveenv\0"                             \
 159         "update_initrd=tftp 100000 ${initrd_file};"                     \
 160                 "era fe200000 fe9fffff;"                                \
 161                 "cp.b 100000 fe200000 ${filesize};"                     \
 162                 "setenv filesize;saveenv\0"                             \
 163         "clean_data=era fea00000 fff5ffff\0"                            \
 164         "usbargs=setenv bootargs root=/dev/sda1 rw\0"                   \
 165         "load_usb=usb start;"                                           \
 166                 "ext2load usb 0:1 ${kernel_addr_r} /boot/uImage\0"      \
 167         "boot_usb=run load_usb usbargs addcons;"                        \
 168                 "bootm ${kernel_addr_r} - ${fdt_addr};"                 \
 169                 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 170         ""
 171
 172 /* pass open firmware flat tree */
 173
 174 #endif  /* __CONFIG_H */