board/pn62/cmd_pn62.c

   1 /*
   2  * (C) Copyright 2002
   3  * Wolfgang Grandegger, DENX Software Engineering, wg@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <malloc.h>
  26 #include <net.h>
  27 #include <asm/io.h>
  28 #include <pci.h>
  29 #include <command.h>
  30 #include "pn62.h"
  31
  32 #if defined(CONFIG_CMD_BSP)
  33
  34 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
  35
  36 /*
  37  * Command led: controls the various LEDs 0..11 on the PN62 card.
  38  */
  39 int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  40 {
  41     unsigned int number, function;
  42
  43     if (argc != 3) {
  44         cmd_usage(cmdtp);
  45         return 1;
  46     }
  47     number = simple_strtoul(argv[1], NULL, 10);
  48     if (number > PN62_LED_MAX)
  49         return 1;
  50     function = simple_strtoul(argv[2], NULL, 16);
  51     set_led (number, function);
  52     return 0;
  53 }
  54 U_BOOT_CMD(
  55         led    ,        3,      1,      do_led,
  56         "led     - set LED 0..11 on the PN62 board\n",
  57         "i fun\n"
  58         "    - set 'i'th LED to function 'fun'\n"
  59 );
  60
  61 /*
  62  * Command loadpci: loads a image over PCI.
  63  */
  64 #define CMD_MOVE_WINDOW 0x1
  65 #define CMD_BOOT_IMAGE  0x2
  66
  67 int do_loadpci (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  68 {
  69     char *s;
  70     ulong addr = 0, count = 0;
  71     u32 off;
  72     int cmd, rcode = 0;
  73
  74     /* pre-set load_addr */
  75     if ((s = getenv("loadaddr")) != NULL) {
  76         addr = simple_strtoul(s, NULL, 16);
  77     }
  78
  79     switch (argc) {
  80     case 1:
  81         break;
  82     case 2:
  83         addr = simple_strtoul(argv[1], NULL, 16);
  84         break;
  85     default:
  86        cmd_usage(cmdtp);
  87         return 1;
  88     }
  89
  90     printf ("## Ready for image download ...\n");
  91
  92     show_startup_phase(12);
  93
  94     while (1) {
  95         /* Alive indicator */
  96         i2155x_write_scrapad(BOOT_PROTO, BOOT_PROTO_READY);
  97
  98         /* Toggle status LEDs */
  99         cmd = (count / 200) % 4; /* downscale */
 100         set_led(4, cmd == 0 ? LED_1 : LED_0);
 101         set_led(5, cmd == 1 ? LED_1 : LED_0);
 102         set_led(6, cmd == 2 ? LED_1 : LED_0);
 103         set_led(7, cmd == 3 ? LED_1 : LED_0);
 104         udelay(1000);
 105         count++;
 106
 107         cmd = i2155x_read_scrapad(BOOT_CMD);
 108
 109         if (cmd == BOOT_CMD_MOVE) {
 110             off = i2155x_read_scrapad(BOOT_DATA);
 111             off += addr;
 112             i2155x_set_bar_base(3, off);
 113             printf ("## BAR3 Addr moved = 0x%08x\n", off);
 114             i2155x_write_scrapad(BOOT_CMD, ~cmd);
 115             show_startup_phase(13);
 116         }
 117         else if (cmd == BOOT_CMD_BOOT) {
 118             set_led(4, LED_1);
 119             set_led(5, LED_1);
 120             set_led(6, LED_1);
 121             set_led(7, LED_1);
 122
 123             i2155x_write_scrapad(BOOT_CMD, ~cmd);
 124             show_startup_phase(14);
 125             break;
 126         }
 127
 128         /* Abort if ctrl-c was pressed */
 129         if (ctrlc()) {
 130             printf("\nAbort\n");
 131             return 0;
 132         }
 133
 134     }
 135
 136     /* Repoint to the default shared memory */
 137     i2155x_set_bar_base(3, PN62_SMEM_DEFAULT);
 138
 139     load_addr = addr;
 140     printf ("## Start Addr      = 0x%08lx\n", addr);
 141
 142     show_startup_phase(15);
 143
 144     /* Loading ok, check if we should attempt an auto-start */
 145     if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
 146         char *local_args[2];
 147         local_args[0] = argv[0];
 148         local_args[1] = NULL;
 149
 150         printf ("Automatic boot of image at addr 0x%08lX ...\n",
 151                 load_addr);
 152         rcode = do_bootm (cmdtp, 0, 1, local_args);
 153     }
 154
 155 #ifdef CONFIG_AUTOSCRIPT
 156     if (load_addr) {
 157         char *s;
 158
 159         if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {
 160                 printf ("Running autoscript at addr 0x%08lX", load_addr);
 161
 162                 s = getenv ("autoscript_uname");
 163                 if (s)
 164                         printf (":%s ...\n", s);
 165                 else
 166                         puts (" ...\n");
 167
 168                 rcode = autoscript (load_addr, s);
 169         }
 170     }
 171 #endif
 172     return rcode;
 173 }
 174
 175 U_BOOT_CMD(
 176         loadpci,        2,      1,      do_loadpci,
 177         "loadpci - load binary file over PCI\n",
 178         "[addr]\n"
 179         "    - load binary file over PCI to address 'addr'\n"
 180 );
 181
 182 #endif