release/src-rt-6.x/cfe/cfe/arch/mips/board/p6064/src/p6064_commands.c

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  P5064-specific commands                  File: P5064_COMMANDS.C
   5     *
   6     *  This module contains special command extensions for the
   7     *  Algorithmics P5064 port of CFE.
   8     *
   9     *  NOTE: Some of the routines in this module were borrowed
  10     *  from PMON.
  11     *
  12     *  Author:  Mitch Lichtenberg (mpl@broadcom.com)
  13     *
  14     *********************************************************************
  15     *
  16     *  Copyright 2000,2001,2002,2003
  17     *  Broadcom Corporation. All rights reserved.
  18     *
  19     *  This software is furnished under license and may be used and
  20     *  copied only in accordance with the following terms and
  21     *  conditions.  Subject to these conditions, you may download,
  22     *  copy, install, use, modify and distribute modified or unmodified
  23     *  copies of this software in source and/or binary form.  No title
  24     *  or ownership is transferred hereby.
  25     *
  26     *  1) Any source code used, modified or distributed must reproduce
  27     *     and retain this copyright notice and list of conditions
  28     *     as they appear in the source file.
  29     *
  30     *  2) No right is granted to use any trade name, trademark, or
  31     *     logo of Broadcom Corporation.  The "Broadcom Corporation"
  32     *     name may not be used to endorse or promote products derived
  33     *     from this software without the prior written permission of
  34     *     Broadcom Corporation.
  35     *
  36     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
  37     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
  38     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  39     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
  40     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
  41     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
  42     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  43     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  44     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  45     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  46     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  47     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
  48     *     THE POSSIBILITY OF SUCH DAMAGE.
  49     ********************************************************************* */
  50
  51
  52 #include "sbmips.h"
  53 #include "lib_types.h"
  54 #include "lib_string.h"
  55 #include "lib_queue.h"
  56 #include "lib_malloc.h"
  57 #include "lib_printf.h"
  58
  59 #include "cfe_iocb.h"
  60 #include "cfe_device.h"
  61 #include "cfe_console.h"
  62 #include "cfe_devfuncs.h"
  63 #include "cfe_timer.h"
  64
  65 #include "cfe_error.h"
  66 #include "env_subr.h"
  67 #include "ui_command.h"
  68 #include "cfe.h"
  69
  70 #include "sbd.h"
  71 #include "rtc.h"
  72
  73 #include "pcivar.h"
  74
  75
  76
  77 #if !defined(__MIPSEB) && !defined(__MIPSEL)
  78 #error "You must define either __MIPSEB or __MIPSEL"
  79 #endif
  80
  81 /* #define POWEROFF */
  82
  83
  84 int ui_init_p6064cmds(void);
  85
  86 #ifdef POWEROFF
  87 static int ui_cmd_poweroff(ui_cmdline_t *cmd,int argc,char *argv[]);
  88 #endif
  89
  90 #if CFG_VGACONSOLE
  91 static int ui_cmd_vgadump(ui_cmdline_t *cmd,int argc,char *argv[]);
  92 static int ui_cmd_vgainit(ui_cmdline_t *cmd,int argc,char *argv[]);
  93 extern int vga_biosinit(void);
  94 extern void vgaraw_dump(char *tail);
  95 #endif
  96
  97 #define INB(x) inb(x)
  98 #define INW(x) inw(x)
  99 #define INL(x) inl(x)
 100
 101 #define OUTB(x,y) outb(x,y)
 102 #define OUTW(x,y) outw(x,y)
 103 #define OUTL(x,y) outl(x,y)
 104
 105
 106 int ui_init_p6064cmds(void)
 107 {
 108
 109 #ifdef POWEROFF
 110     cmd_addcmd("power off",
 111                ui_cmd_poweroff,
 112                NULL,
 113                "Power off the system.",
 114                "power off\n\n"
 115                "This command turns off the power for systems that support it.",
 116                "");
 117 #endif
 118
 119 #if CFG_VGACONSOLE
 120     cmd_addcmd("vga init",
 121                ui_cmd_vgainit,
 122                NULL,
 123                "Initialize the VGA adapter.",
 124                "vgainit",
 125                "");
 126
 127     cmd_addcmd("vga dumpbios",
 128                ui_cmd_vgadump,
 129                NULL,
 130                "Dump the VGA BIOS to the console",
 131                "vga dumpbios",
 132                "");
 133 #endif
 134
 135     return 0;
 136 }
 137
 138
 139 #ifdef POWEROFF
 140 unsigned int apc_bis (int reg, unsigned int val);
 141
 142 unsigned int
 143 apc_bis (int reg, unsigned int val)
 144 {
 145     unsigned int rtcsa, o, n;
 146
 147     if (BOARD_REVISION < 'C')
 148         return ~0;
 149
 150     OUTB(RTC_ADDR_PORT, RTC_STATUSA);
 151     rtcsa = INB(RTC_DATA_PORT);
 152     if ((rtcsa & RTCSA_DVMASK) != RTC_DV2_OSC_ON)
 153         OUTB(RTC_DATA_PORT, (rtcsa & ~RTCSA_DVMASK) | RTC_DV2_OSC_ON);
 154
 155     OUTB(RTC_ADDR_PORT, reg);
 156     o = INB(RTC_DATA_PORT);
 157     n = o | val;
 158     if (o != n) {
 159         OUTB(RTC_DATA_PORT, n);
 160         }
 161
 162     /* paranoia - switch back to bank 0 */
 163     OUTB(RTC_ADDR_PORT, RTC_STATUSA);
 164     OUTB(RTC_DATA_PORT, (rtcsa & ~RTCSA_DVMASK) | RTC_DV0_OSC_ON);
 165
 166     return (o);
 167 }
 168
 169 #endif
 170
 171 #if CFG_VGACONSOLE
 172 static int ui_cmd_vgainit(ui_cmdline_t *cmd,int argc,char *argv[])
 173 {
 174     int res;
 175
 176     res = vga_biosinit();
 177
 178     xprintf("vgaraw_init returns %d\n",res);
 179
 180     return 0;
 181 }
 182
 183 static int ui_cmd_vgadump(ui_cmdline_t *cmd,int argc,char *argv[])
 184 {
 185     char *x;
 186
 187     x = cmd_getarg(cmd,0);
 188     if (!x) x = "";
 189
 190     vgaraw_dump(x);
 191
 192     return 0;
 193 }
 194 #endif
 195
 196
 197 #ifdef POWEROFF
 198 static int ui_cmd_poweroff(ui_cmdline_t *cmd,int argc,char *argv[])
 199 {
 200     xprintf("Power off.\n");
 201     apc_bis(RTC_BANK2_APCR1, APCR1_SOC);
 202     for (;;) ;
 203     return 0;
 204 }
 205
 206 #endif