LXR uboot/board/pn62/cmd

   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/*
  35 * Command led: controls the various LEDs 0..11 on the PN62 card.
  36 */
  37int do_led(cmd_tbl_t * cmdtp, int flag, int argc, char *const argv[])
  38{
  39        unsigned int number, function;
  40
  41        if (argc != 3)
  42                return cmd_usage(cmdtp);
  43
  44        number = simple_strtoul(argv[1], NULL, 10);
  45        if (number > PN62_LED_MAX)
  46                return 1;
  47
  48        function = simple_strtoul(argv[2], NULL, 16);
  49        set_led(number, function);
  50        return 0;
  51}
  52U_BOOT_CMD(
  53        led    ,        3,      1,      do_led,
  54        "set LED 0..11 on the PN62 board",
  55        "i fun"
  56        "    - set 'i'th LED to function 'fun'"
  57);
  58
  59/*
  60 * Command loadpci: loads a image over PCI.
  61 */
  62#define CMD_MOVE_WINDOW 0x1
  63#define CMD_BOOT_IMAGE  0x2
  64
  65int do_loadpci (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  66{
  67    char *s;
  68    ulong addr = 0, count = 0;
  69    u32 off;
  70    int cmd, rcode = 0;
  71
  72    /* pre-set load_addr */
  73    if ((s = getenv("loadaddr")) != NULL) {
  74        addr = simple_strtoul(s, NULL, 16);
  75    }
  76
  77    switch (argc) {
  78    case 1:
  79        break;
  80    case 2:
  81        addr = simple_strtoul(argv[1], NULL, 16);
  82        break;
  83    default:
  84        return cmd_usage(cmdtp);
  85    }
  86
  87    printf ("## Ready for image download ...\n");
  88
  89    show_startup_phase(12);
  90
  91    while (1) {
  92        /* Alive indicator */
  93        i2155x_write_scrapad(BOOT_PROTO, BOOT_PROTO_READY);
  94
  95        /* Toggle status LEDs */
  96        cmd = (count / 200) % 4; /* downscale */
  97        set_led(4, cmd == 0 ? LED_1 : LED_0);
  98        set_led(5, cmd == 1 ? LED_1 : LED_0);
  99        set_led(6, cmd == 2 ? LED_1 : LED_0);
 100        set_led(7, cmd == 3 ? LED_1 : LED_0);
 101        udelay(1000);
 102        count++;
 103
 104        cmd = i2155x_read_scrapad(BOOT_CMD);
 105
 106        if (cmd == BOOT_CMD_MOVE) {
 107            off = i2155x_read_scrapad(BOOT_DATA);
 108            off += addr;
 109            i2155x_set_bar_base(3, off);
 110            printf ("## BAR3 Addr moved = 0x%08x\n", off);
 111            i2155x_write_scrapad(BOOT_CMD, ~cmd);
 112            show_startup_phase(13);
 113        }
 114        else if (cmd == BOOT_CMD_BOOT) {
 115            set_led(4, LED_1);
 116            set_led(5, LED_1);
 117            set_led(6, LED_1);
 118            set_led(7, LED_1);
 119
 120            i2155x_write_scrapad(BOOT_CMD, ~cmd);
 121            show_startup_phase(14);
 122            break;
 123        }
 124
 125        /* Abort if ctrl-c was pressed */
 126        if (ctrlc()) {
 127            printf("\nAbort\n");
 128            return 0;
 129        }
 130
 131    }
 132
 133    /* Repoint to the default shared memory */
 134    i2155x_set_bar_base(3, PN62_SMEM_DEFAULT);
 135
 136    load_addr = addr;
 137    printf ("## Start Addr      = 0x%08lx\n", addr);
 138
 139    show_startup_phase(15);
 140
 141    /* Loading ok, check if we should attempt an auto-start */
 142    if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
 143        char *local_args[2];
 144        local_args[0] = argv[0];
 145        local_args[1] = NULL;
 146
 147        printf ("Automatic boot of image at addr 0x%08lX ...\n",
 148                load_addr);
 149        rcode = do_bootm (cmdtp, 0, 1, local_args);
 150    }
 151
 152    return rcode;
 153}
 154
 155U_BOOT_CMD(
 156        loadpci,        2,      1,      do_loadpci,
 157        "load binary file over PCI",
 158        "[addr]\n"
 159        "    - load binary file over PCI to address 'addr'"
 160);
 161
 162#endif
 163