diff options
Diffstat (limited to 'firmware/microblaze/lib/u2_init.c')
-rw-r--r-- | firmware/microblaze/lib/u2_init.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c new file mode 100644 index 000000000..4a553a713 --- /dev/null +++ b/firmware/microblaze/lib/u2_init.c @@ -0,0 +1,90 @@ +/* + * 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 "i2c_async.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, &u2_hw_rev_minor, 1); + ok &= eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV+1, &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(); + i2c_register_handler(); //for using async I2C + hal_enable_ints(); + + 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; +} |