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-rw-r--r--firmware/microblaze/lib/u2_init.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c
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+++ b/firmware/microblaze/lib/u2_init.c
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+/*
+ * 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 "buffer_pool.h"
+#include "hal_uart.h"
+#include "i2c.h"
+#include "mdelay.h"
+#include "clocks.h"
+#include "usrp2/fw_common.h"
+#include "nonstdio.h"
+
+unsigned char u2_hw_rev_major;
+unsigned char u2_hw_rev_minor;
+
+static inline void
+get_hw_rev(void)
+{
+ bool ok = eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV_LSB, &u2_hw_rev_minor, 1);
+ ok &= eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV_MSB, &u2_hw_rev_major, 1);
+}
+
+/*
+ * 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();
+ get_hw_rev();
+
+ bp_init(); // buffer pool
+
+
+
+ // flash all leds to let us know board is alive
+ hal_set_leds(0x0, 0x1f);
+ mdelay(100);
+ hal_set_leds(0x1f, 0x1f);
+ mdelay(100);
+ 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
+
+ return true;
+}