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/* -*- c -*- */
/*
* Copyright 2009 Ettus Research LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "bootconfig.h"
#include "bootconfig_private.h"
#include <stdint.h>
#include <stddef.h>
#include <i2c.h>
#include <quadradio/i2c_addr.h>
#include <mdelay.h>
#include <xilinx_v5_icap.h>
#include <nonstdio.h>
eeprom_boot_info_t eeprom_shadow;
static eeprom_boot_info_t eeprom_default = {
.magic = EEPROM_BOOT_INFO_MAGIC,
.nattempts = 1,
.next_boot.fpga_image_number = 0,
.next_boot.firmware_image_number = 0,
.default_boot.fpga_image_number = 0,
.default_boot.firmware_image_number = 0
};
eeprom_boot_info_t *
_bc_get_eeprom_shadow(void)
{
return &eeprom_shadow;
}
bool
_bc_write_eeprom_shadow(void)
{
return eeprom_write(I2C_ADDR_MBOARD, BOOT_INFO_OFFSET, &eeprom_shadow, sizeof(eeprom_shadow));
}
void
bootconfig_init(void)
{
if (!eeprom_read(I2C_ADDR_MBOARD, BOOT_INFO_OFFSET, &eeprom_shadow, sizeof(eeprom_shadow))
|| eeprom_shadow.magic != EEPROM_BOOT_INFO_MAGIC){
eeprom_shadow = eeprom_default;
_bc_write_eeprom_shadow();
}
}
bootconfig_t
bootconfig_get_default(void)
{
return eeprom_shadow.default_boot;
}
bool
bootconfig_set_default(bootconfig_t bc)
{
if (!validate_bootconfig(bc))
return false;
eeprom_shadow.default_boot = bc;
eeprom_shadow.next_boot = bc;
return _bc_write_eeprom_shadow();
}
void
bootconfig_boot(bootconfig_t bc)
{
if (!validate_bootconfig(bc))
return;
eeprom_shadow.next_boot = bc;
eeprom_shadow.nattempts = 1;
_bc_write_eeprom_shadow();
if (1){
puts("\nbootconfig: chaining to FPGA slot 0 bootloader");
mdelay(100);
}
while (1){
// Reload fpga with code from SPI flash address 0x0.
icap_reload_fpga(0x00000000);
}
}
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