qemu/roms/u-boot/board/matrix_vision/common/mv_common.c

   1 /*
   2  * (C) Copyright 2008
   3  * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <malloc.h>
  10 #include <environment.h>
  11 #include <fpga.h>
  12 #include <asm/io.h>
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 #ifndef CONFIG_ENV_IS_NOWHERE
  17 static char* entries_to_keep[] = {
  18         "serial#", "ethaddr", "eth1addr", "model_info", "sensor_cnt",
  19         "fpgadatasize", "ddr_size", "use_dhcp", "use_static_ipaddr",
  20         "static_ipaddr", "static_netmask", "static_gateway",
  21         "syslog", "watchdog", "netboot", "evo8serialnumber" };
  22
  23 #define MV_MAX_ENV_ENTRY_LENGTH 64
  24 #define MV_KEEP_ENTRIES         ARRAY_SIZE(entries_to_keep)
  25
  26 void mv_reset_environment(void)
  27 {
  28         int i;
  29         char *s[MV_KEEP_ENTRIES];
  30         char entries[MV_KEEP_ENTRIES][MV_MAX_ENV_ENTRY_LENGTH];
  31
  32         printf("\n*** RESET ENVIRONMENT ***\n");
  33
  34         memset(entries, 0, MV_KEEP_ENTRIES * MV_MAX_ENV_ENTRY_LENGTH);
  35         for (i = 0; i < MV_KEEP_ENTRIES; i++) {
  36                 s[i] = getenv(entries_to_keep[i]);
  37                 if (s[i]) {
  38                         printf("save '%s' : %s\n", entries_to_keep[i], s[i]);
  39                         strncpy(entries[i], s[i], MV_MAX_ENV_ENTRY_LENGTH);
  40                 }
  41         }
  42
  43         gd->env_valid = 0;
  44         env_relocate();
  45
  46         for (i = 0; i < MV_KEEP_ENTRIES; i++) {
  47                 if (s[i]) {
  48                         printf("restore '%s' : %s\n", entries_to_keep[i], s[i]);
  49                         setenv(entries_to_keep[i], s[i]);
  50                 }
  51         }
  52
  53         saveenv();
  54 }
  55 #endif
  56
  57 int mv_load_fpga(void)
  58 {
  59         int result;
  60         size_t data_size = 0;
  61         void *fpga_data = NULL;
  62         char *datastr = getenv("fpgadata");
  63         char *sizestr = getenv("fpgadatasize");
  64
  65         if (getenv("skip_fpga")) {
  66                 printf("found 'skip_fpga' -> FPGA _not_ loaded !\n");
  67                 return -1;
  68         }
  69         printf("loading FPGA\n");
  70
  71         if (datastr)
  72                 fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
  73         if (sizestr)
  74                 data_size = (size_t)simple_strtoul(sizestr, NULL, 16);
  75         if (!data_size) {
  76                 printf("fpgadatasize invalid -> FPGA _not_ loaded !\n");
  77                 return -1;
  78         }
  79
  80         result = fpga_load(0, fpga_data, data_size);
  81         if (!result)
  82                 bootstage_mark(BOOTSTAGE_ID_START);
  83
  84         return result;
  85 }
  86
  87 u8 *dhcp_vendorex_prep(u8 *e)
  88 {
  89         char *ptr;
  90
  91         /* DHCP vendor-class-identifier = 60 */
  92         if ((ptr = getenv("dhcp_vendor-class-identifier"))) {
  93                 *e++ = 60;
  94                 *e++ = strlen(ptr);
  95                 while (*ptr)
  96                         *e++ = *ptr++;
  97         }
  98         /* DHCP_CLIENT_IDENTIFIER = 61 */
  99         if ((ptr = getenv("dhcp_client_id"))) {
 100                 *e++ = 61;
 101                 *e++ = strlen(ptr);
 102                 while (*ptr)
 103                         *e++ = *ptr++;
 104         }
 105
 106         return e;
 107 }
 108
 109 u8 *dhcp_vendorex_proc(u8 *popt)
 110 {
 111         return NULL;
 112 }