1 files changed, 82 insertions, 0 deletions
diff --git a/firmware/zpu/lib/u2_init.c b/firmware/zpu/lib/u2_init.c
new file mode 100644
index 000000000..71bd2c594
--- /dev/null
+++ b/firmware/zpu/lib/u2_init.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ *
+ * 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/>.
+ */
+
+#include "u2_init.h"
+#include "memory_map.h"
+#include "spi.h"
+#include "pic.h"
+#include "hal_io.h"
+#include "hal_uart.h"
+#include "i2c.h"
+#include "mdelay.h"
+#include "clocks.h"
+#include "usrp2/fw_common.h"
+#include "nonstdio.h"
+
+/*
+ * We ought to arrange for this to be called before main, but for now,
+ * we require that the user's main call u2_init as the first thing...
+ */
+bool
+u2_init(void)
+{
+  hal_disable_ints();
+  hal_io_init();
+
+  // init spi, so that we can switch over to the high-speed clock
+  spi_init();
+
+  // set up the default clocks
+  clocks_init();
+
+  hal_uart_init();
+
+  // init i2c so we can read our rev
+  pic_init();	// progammable interrupt controller
+  i2c_init();
+  hal_enable_ints();
+
+  // flash all leds to let us know board is alive
+  hal_set_led_src(0x0, 0x1f); /* software ctrl */
+  hal_set_leds(0x0, 0x1f);    mdelay(300);
+  hal_set_leds(LED_E, LED_E); mdelay(300);
+  hal_set_leds(LED_C, LED_C); mdelay(300);
+  hal_set_leds(LED_A, LED_A); mdelay(300);
+  for (int i = 0; i < 3; i++){ //blink all
+    static const int blinks = LED_E | LED_C | LED_A;
+    hal_set_leds(0x0,    0x1f); mdelay(100);
+    hal_set_leds(blinks, 0x1f); mdelay(100);
+  }
+  hal_set_led_src(0x1f & ~LED_D, 0x1f); /* hardware ctrl */
+  hal_set_leds(LED_D, 0x1f);  // Leave one on
+
+#if 0
+  // test register readback
+  int rr, vv;
+  vv = ad9777_read_reg(0);
+  printf("ad9777 reg[0] = 0x%x\n", vv);
+  
+  for (rr = 0x04; rr <= 0x0d; rr++){
+    vv = ad9510_read_reg(rr);
+    printf("ad9510 reg[0x%x] = 0x%x\n", rr, vv);
+  }
+#endif
+
+  output_regs->serdes_ctrl = (SERDES_ENABLE | SERDES_RXEN);
+
+  return true;
+}