uboot/examples/api/demo.c
<<
>>
Prefs
   1/*
   2 * (C) Copyright 2007-2008 Semihalf
   3 *
   4 * Written by: Rafal Jaworowski <raj@semihalf.com>
   5 *
   6 * See file CREDITS for list of people who contributed to this
   7 * project.
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License as
  11 * published by the Free Software Foundation; either version 2 of
  12 * the License, or (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22 * MA 02111-1307 USA
  23 *
  24 */
  25
  26#include <common.h>
  27#include <linux/types.h>
  28#include <api_public.h>
  29
  30#include "glue.h"
  31
  32#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
  33
  34#define BUF_SZ          2048
  35#define WAIT_SECS       5
  36
  37void    test_dump_buf(void *, int);
  38void    test_dump_di(int);
  39void    test_dump_si(struct sys_info *);
  40void    test_dump_sig(struct api_signature *);
  41
  42static char buf[BUF_SZ];
  43
  44int main(int argc, char *argv[])
  45{
  46        int rv = 0, h, i, j, devs_no;
  47        struct api_signature *sig = NULL;
  48        ulong start, now;
  49        struct device_info *di;
  50        lbasize_t rlen;
  51
  52        if (!api_search_sig(&sig))
  53                return -1;
  54
  55        syscall_ptr = sig->syscall;
  56        if (syscall_ptr == NULL)
  57                return -2;
  58
  59        if (sig->version > API_SIG_VERSION)
  60                return -3;
  61
  62        printf("API signature found @%x\n", (unsigned int)sig);
  63        test_dump_sig(sig);
  64
  65        printf("\n*** Consumer API test ***\n");
  66        printf("syscall ptr 0x%08x@%08x\n", (unsigned int)syscall_ptr,
  67                (unsigned int)&syscall_ptr);
  68
  69        /* console activities */
  70        ub_putc('B');
  71
  72        printf("*** Press any key to continue ***\n");
  73        printf("got char 0x%x\n", ub_getc());
  74
  75        /* system info */
  76        test_dump_si(ub_get_sys_info());
  77
  78        /* timing */
  79        printf("\n*** Timing - wait a couple of secs ***\n");
  80        start = ub_get_timer(0);
  81        printf("\ntime: start %lu\n\n", start);
  82        for (i = 0; i < WAIT_SECS; i++)
  83                for (j = 0; j < 1000; j++)
  84                        ub_udelay(1000);        /* wait 1 ms */
  85
  86        /* this is the number of milliseconds that passed from ub_get_timer(0) */
  87        now = ub_get_timer(start);
  88        printf("\ntime: now %lu\n\n", now);
  89
  90        /* enumerate devices */
  91        printf("\n*** Enumerate devices ***\n");
  92        devs_no = ub_dev_enum();
  93
  94        printf("Number of devices found: %d\n", devs_no);
  95        if (devs_no == 0)
  96                return -1;
  97
  98        printf("\n*** Show devices ***\n");
  99        for (i = 0; i < devs_no; i++) {
 100                test_dump_di(i);
 101                printf("\n");
 102        }
 103
 104        printf("\n*** Operations on devices ***\n");
 105
 106        /* test opening a device already opened */
 107        h = 0;
 108        if ((rv = ub_dev_open(h)) != 0) {
 109                errf("open device %d error %d\n", h, rv);
 110                return -1;
 111        }
 112        if ((rv = ub_dev_open(h)) != 0)
 113                errf("open device %d error %d\n", h, rv);
 114
 115        ub_dev_close(h);
 116
 117        /* test storage */
 118        printf("Trying storage devices...\n");
 119        for (i = 0; i < devs_no; i++) {
 120                di = ub_dev_get(i);
 121
 122                if (di->type & DEV_TYP_STOR)
 123                        break;
 124
 125        }
 126        if (i == devs_no)
 127                printf("No storage devices available\n");
 128        else {
 129                memset(buf, 0, BUF_SZ);
 130
 131                if ((rv = ub_dev_open(i)) != 0)
 132                        errf("open device %d error %d\n", i, rv);
 133
 134                else if ((rv = ub_dev_read(i, buf, 1, 0, &rlen)) != 0)
 135                        errf("could not read from device %d, error %d\n", i, rv);
 136                else {
 137                        printf("Sector 0 dump (512B):\n");
 138                        test_dump_buf(buf, 512);
 139                }
 140
 141                ub_dev_close(i);
 142        }
 143
 144        /* test networking */
 145        printf("Trying network devices...\n");
 146        for (i = 0; i < devs_no; i++) {
 147                di = ub_dev_get(i);
 148
 149                if (di->type == DEV_TYP_NET)
 150                        break;
 151
 152        }
 153        if (i == devs_no)
 154                printf("No network devices available\n");
 155        else {
 156                if ((rv = ub_dev_open(i)) != 0)
 157                        errf("open device %d error %d\n", i, rv);
 158                else if ((rv = ub_dev_send(i, &buf, 2048)) != 0)
 159                        errf("could not send to device %d, error %d\n", i, rv);
 160
 161                ub_dev_close(i);
 162        }
 163
 164        if (ub_dev_close(h) != 0)
 165                errf("could not close device %d\n", h);
 166
 167        printf("\n*** Env vars ***\n");
 168
 169        printf("ethact = %s\n", ub_env_get("ethact"));
 170        printf("old fileaddr = %s\n", ub_env_get("fileaddr"));
 171        ub_env_set("fileaddr", "deadbeef");
 172        printf("new fileaddr = %s\n", ub_env_get("fileaddr"));
 173
 174        const char *env = NULL;
 175
 176        while ((env = ub_env_enum(env)) != NULL)
 177                printf("%s = %s\n", env, ub_env_get(env));
 178
 179        /* reset */
 180        printf("\n*** Resetting board ***\n");
 181        ub_reset();
 182        printf("\nHmm, reset returned...?!\n");
 183
 184        return rv;
 185}
 186
 187void test_dump_sig(struct api_signature *sig)
 188{
 189        printf("signature:\n");
 190        printf("  version\t= %d\n", sig->version);
 191        printf("  checksum\t= 0x%08x\n", sig->checksum);
 192        printf("  sc entry\t= 0x%08x\n", (unsigned int)sig->syscall);
 193}
 194
 195void test_dump_si(struct sys_info *si)
 196{
 197        int i;
 198
 199        printf("sys info:\n");
 200        printf("  clkbus\t= 0x%08x\n", (unsigned int)si->clk_bus);
 201        printf("  clkcpu\t= 0x%08x\n", (unsigned int)si->clk_cpu);
 202        printf("  bar\t\t= 0x%08x\n", (unsigned int)si->bar);
 203
 204        printf("---\n");
 205        for (i = 0; i < si->mr_no; i++) {
 206                if (si->mr[i].flags == 0)
 207                        break;
 208
 209                printf("  start\t= 0x%08lx\n", si->mr[i].start);
 210                printf("  size\t= 0x%08lx\n", si->mr[i].size);
 211
 212                switch(si->mr[i].flags & 0x000F) {
 213                        case MR_ATTR_FLASH:
 214                                printf("  type FLASH\n");
 215                                break;
 216                        case MR_ATTR_DRAM:
 217                                printf("  type DRAM\n");
 218                                break;
 219                        case MR_ATTR_SRAM:
 220                                printf("  type SRAM\n");
 221                                break;
 222                        default:
 223                                printf("  type UNKNOWN\n");
 224                }
 225                printf("---\n");
 226        }
 227}
 228
 229static char *test_stor_typ(int type)
 230{
 231        if (type & DT_STOR_IDE)
 232                return "IDE";
 233
 234        if (type & DT_STOR_MMC)
 235                return "MMC";
 236
 237        if (type & DT_STOR_SATA)
 238                return "SATA";
 239
 240        if (type & DT_STOR_SCSI)
 241                return "SCSI";
 242
 243        if (type & DT_STOR_USB)
 244                return "USB";
 245
 246        return "Unknown";
 247}
 248
 249void test_dump_buf(void *buf, int len)
 250{
 251        int i;
 252        int line_counter = 0;
 253        int sep_flag = 0;
 254        int addr = 0;
 255
 256        printf("%07x:\t", addr);
 257
 258        for (i = 0; i < len; i++) {
 259                if (line_counter++ > 15) {
 260                        line_counter = 0;
 261                        sep_flag = 0;
 262                        addr += 16;
 263                        i--;
 264                        printf("\n%07x:\t", addr);
 265                        continue;
 266                }
 267
 268                if (sep_flag++ > 1) {
 269                        sep_flag = 1;
 270                        printf(" ");
 271                }
 272
 273                printf("%02x", *((char *)buf++));
 274        }
 275
 276        printf("\n");
 277}
 278
 279void test_dump_di(int handle)
 280{
 281        int i;
 282        struct device_info *di = ub_dev_get(handle);
 283
 284        printf("device info (%d):\n", handle);
 285        printf("  cookie\t= 0x%08x\n", (uint32_t)di->cookie);
 286        printf("  type\t\t= 0x%08x\n", di->type);
 287
 288        if (di->type == DEV_TYP_NET) {
 289                printf("  hwaddr\t= ");
 290                for (i = 0; i < 6; i++)
 291                        printf("%02x ", di->di_net.hwaddr[i]);
 292
 293                printf("\n");
 294
 295        } else if (di->type & DEV_TYP_STOR) {
 296                printf("  type\t\t= %s\n", test_stor_typ(di->type));
 297                printf("  blk size\t\t= %d\n", (unsigned int)di->di_stor.block_size);
 298                printf("  blk count\t\t= %d\n", (unsigned int)di->di_stor.block_count);
 299        }
 300}
 301