1 files changed, 101 insertions, 0 deletions
diff --git a/firmware/zpu/lib/bootconfig.c b/firmware/zpu/lib/bootconfig.c
new file mode 100644
index 000000000..93adc05c2
--- /dev/null
+++ b/firmware/zpu/lib/bootconfig.c
@@ -0,0 +1,101 @@
+/* -*- 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);
+  }
+}