From d088a11bf7c257ba45bf0c37a41e5038b302bc44 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 10 Feb 2010 11:57:58 -0800 Subject: Copied a snapshot of the usrp2 firmware into the microblaze firmware directory in the uhd repo. Added erllc copyrights to the files created and modified at erllc. --- firmware/microblaze/lib/u2_init.c | 129 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 firmware/microblaze/lib/u2_init.c (limited to 'firmware/microblaze/lib/u2_init.c') diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c new file mode 100644 index 000000000..2e2e6a0fb --- /dev/null +++ b/firmware/microblaze/lib/u2_init.c @@ -0,0 +1,129 @@ +/* + * 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 . + */ + +#include "u2_init.h" +#include "memory_map.h" +#include "spi.h" +#include "pic.h" +#include "hal_io.h" +#include "lsadc.h" +#include "lsdac.h" +#include "buffer_pool.h" +#include "hal_uart.h" +#include "i2c.h" +#include "mdelay.h" +#include "ad9777.h" +#include "clocks.h" +#include "db.h" +#include "usrp2_i2c_addr.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(I2C_ADDR_MBOARD, MBOARD_REV_LSB, &u2_hw_rev_minor, 1); + ok &= eeprom_read(I2C_ADDR_MBOARD, 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) +{ + // Set GPIOs to inputs, disable GPIO streaming + hal_gpio_set_ddr(GPIO_TX_BANK, 0x0000, 0xffff); + hal_gpio_set_ddr(GPIO_RX_BANK, 0x0000, 0xffff); + + hal_gpio_write(GPIO_TX_BANK, 0x0000, 0xffff); // init s/w output value to zero + hal_gpio_write(GPIO_RX_BANK, 0x0000, 0xffff); + + dsp_rx_regs->gpio_stream_enable = 0; // I, Q LSBs come from DSP + + hal_io_init(); + + // init spi, so that we can switch over to the high-speed clock + spi_init(); + + // init i2c so we can read our rev + i2c_init(); + get_hw_rev(); + + // set up the default clocks + clocks_init(); + + // clocks_enable_test_clk(true,1); + + // Enable ADCs + output_regs->adc_ctrl = ADC_CTRL_ON; + + // Set up AD9777 DAC + ad9777_write_reg(0, R0_1R); + ad9777_write_reg(1, R1_INTERP_4X | R1_REAL_MIX); + ad9777_write_reg(2, 0); + ad9777_write_reg(3, R3_PLL_DIV_1); + ad9777_write_reg(4, R4_PLL_ON | R4_CP_AUTO); + ad9777_write_reg(5, R5_I_FINE_GAIN(0)); + ad9777_write_reg(6, R6_I_COARSE_GAIN(0xf)); + ad9777_write_reg(7, 0); // I dac offset + ad9777_write_reg(8, 0); + ad9777_write_reg(9, R9_Q_FINE_GAIN(0)); + ad9777_write_reg(10, R10_Q_COARSE_GAIN(0xf)); + ad9777_write_reg(11, 0); // Q dac offset + ad9777_write_reg(12, 0); + + // Initial values for tx and rx mux registers + dsp_tx_regs->tx_mux = 0x10; + dsp_rx_regs->rx_mux = 0x44444444; + + // Set up serdes + output_regs->serdes_ctrl = (SERDES_ENABLE | SERDES_RXEN); + + pic_init(); // progammable interrupt controller + bp_init(); // buffer pool + lsadc_init(); // low-speed ADCs + lsdac_init(); // low-speed DACs + db_init(); // daughterboard init + + hal_enable_ints(); + + // 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(0x1, 0x1f); // Leave the first 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; +} -- cgit v1.2.3