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https://github.com/smaeul/u-boot.git
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12b5723b3e
Doesn't make sense to provide this function to boards which defined CONFIG_ENV_IS_NOWHERE. Such a board gets a linking error because common/env_nowhere.c doesn't define saveenv(). Signed-off-by: Michael Jones <michael.jones@matrix-vision.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/*
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* (C) Copyright 2008
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* Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <malloc.h>
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#include <environment.h>
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#include <fpga.h>
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#include <asm/io.h>
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DECLARE_GLOBAL_DATA_PTR;
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static char* entries_to_keep[] = {
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"serial#", "ethaddr", "eth1addr", "model_info", "sensor_cnt",
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"fpgadatasize", "ddr_size", "use_dhcp", "use_static_ipaddr",
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"static_ipaddr", "static_netmask", "static_gateway",
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"syslog", "watchdog", "netboot", "evo8serialnumber" };
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#define MV_MAX_ENV_ENTRY_LENGTH 64
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#define MV_KEEP_ENTRIES ARRAY_SIZE(entries_to_keep)
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#ifndef CONFIG_ENV_IS_NOWHERE
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void mv_reset_environment(void)
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{
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int i;
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char *s[MV_KEEP_ENTRIES];
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char entries[MV_KEEP_ENTRIES][MV_MAX_ENV_ENTRY_LENGTH];
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printf("\n*** RESET ENVIRONMENT ***\n");
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memset(entries, 0, MV_KEEP_ENTRIES * MV_MAX_ENV_ENTRY_LENGTH);
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for (i = 0; i < MV_KEEP_ENTRIES; i++) {
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s[i] = getenv(entries_to_keep[i]);
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if (s[i]) {
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printf("save '%s' : %s\n", entries_to_keep[i], s[i]);
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strncpy(entries[i], s[i], MV_MAX_ENV_ENTRY_LENGTH);
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}
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}
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gd->env_valid = 0;
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env_relocate();
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for (i = 0; i < MV_KEEP_ENTRIES; i++) {
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if (s[i]) {
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printf("restore '%s' : %s\n", entries_to_keep[i], s[i]);
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setenv(entries_to_keep[i], s[i]);
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}
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}
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saveenv();
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}
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#endif
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int mv_load_fpga(void)
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{
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int result;
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size_t data_size = 0;
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void *fpga_data = NULL;
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char *datastr = getenv("fpgadata");
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char *sizestr = getenv("fpgadatasize");
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if (getenv("skip_fpga")) {
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printf("found 'skip_fpga' -> FPGA _not_ loaded !\n");
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return -1;
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}
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printf("loading FPGA\n");
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if (datastr)
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fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
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if (sizestr)
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data_size = (size_t)simple_strtoul(sizestr, NULL, 16);
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if (!data_size) {
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printf("fpgadatasize invalid -> FPGA _not_ loaded !\n");
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return -1;
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}
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result = fpga_load(0, fpga_data, data_size);
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if (!result)
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show_boot_progress(0);
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return result;
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}
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u8 *dhcp_vendorex_prep(u8 *e)
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{
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char *ptr;
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/* DHCP vendor-class-identifier = 60 */
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if ((ptr = getenv("dhcp_vendor-class-identifier"))) {
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*e++ = 60;
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*e++ = strlen(ptr);
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while (*ptr)
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*e++ = *ptr++;
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}
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/* DHCP_CLIENT_IDENTIFIER = 61 */
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if ((ptr = getenv("dhcp_client_id"))) {
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*e++ = 61;
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*e++ = strlen(ptr);
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while (*ptr)
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*e++ = *ptr++;
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}
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return e;
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}
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u8 *dhcp_vendorex_proc(u8 *popt)
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{
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return NULL;
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}
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