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-rw-r--r--firmware/microblaze/lib/bootconfig.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/bootconfig.c b/firmware/microblaze/lib/bootconfig.c
new file mode 100644
index 000000000..93adc05c2
--- /dev/null
+++ b/firmware/microblaze/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);
+ }
+}