diff options
Diffstat (limited to 'firmware/microblaze')
| -rw-r--r-- | firmware/microblaze/lib/Makefile.inc | 1 | ||||
| -rw-r--r-- | firmware/microblaze/lib/clocks.c (renamed from firmware/microblaze/usrp2p/clocks.c) | 24 | ||||
| -rw-r--r-- | firmware/microblaze/lib/clocks.h | 8 | ||||
| -rw-r--r-- | firmware/microblaze/usrp2/Makefile.am | 1 | ||||
| -rw-r--r-- | firmware/microblaze/usrp2/clocks.c | 239 | ||||
| -rw-r--r-- | firmware/microblaze/usrp2p/Makefile.am | 1 |
6 files changed, 18 insertions, 256 deletions
diff --git a/firmware/microblaze/lib/Makefile.inc b/firmware/microblaze/lib/Makefile.inc index 02a267d35..ae123f531 100644 --- a/firmware/microblaze/lib/Makefile.inc +++ b/firmware/microblaze/lib/Makefile.inc @@ -23,6 +23,7 @@ COMMON_SRCS = \ $(top_srcdir)/lib/ad9510.c \ $(top_srcdir)/lib/bsm12.c \ $(top_srcdir)/lib/buffer_pool.c \ + $(top_srcdir)/lib/clocks.c \ $(top_srcdir)/lib/dbsm.c \ $(top_srcdir)/lib/eeprom.c \ $(top_srcdir)/lib/eth_mac.c \ diff --git a/firmware/microblaze/usrp2p/clocks.c b/firmware/microblaze/lib/clocks.c index 3488ec468..08f15deb1 100644 --- a/firmware/microblaze/usrp2p/clocks.c +++ b/firmware/microblaze/lib/clocks.c @@ -52,26 +52,26 @@ clocks_init(void) // Set up PLL for 10 MHz reference // Reg 4, A counter, Don't Care - ad9510_write_reg(0x05, 0x00); // Reg 5, B counter MSBs, 0 - ad9510_write_reg(0x06, 0x05); // Reg 6, B counter LSBs, 5 +// ad9510_write_reg(0x05, 0x00); // Reg 5, B counter MSBs, 0 +// ad9510_write_reg(0x06, 0x05); // Reg 6, B counter LSBs, 5 // Reg 7, Loss of reference detect, doesn't work yet, 0 - ad9510_write_reg(0x5A, 0x01); // Update Regs +// ad9510_write_reg(0x5A, 0x01); // Update Regs // Primary clock configuration - clocks_mimo_config(MC_WE_DONT_LOCK); +// clocks_mimo_config(MC_WE_DONT_LOCK); // Set up other clocks //clocks_enable_test_clk(false, 0); //clocks_enable_tx_dboard(false, 0); //clocks_enable_rx_dboard(false, 0); - clocks_enable_eth_phyclk(false, 0); //PHY clk is separate now (u2r4, u2p) +// clocks_enable_eth_phyclk(false, 0); //PHY clk is separate now (u2r4, u2p) // Enable clock to ADCs and DACs //clocks_enable_dac_clk(true, 1); //clocks_enable_adc_clk(true, 1); } - +/* void clocks_mimo_config(int flags) { @@ -121,7 +121,8 @@ clocks_mimo_config(int flags) else clocks_enable_clkexp_out(false,0); } - +*/ +/* bool clocks_lock_detect() { @@ -129,7 +130,7 @@ clocks_lock_detect() return true; return false; } - +*/ int inline clocks_gen_div(int divisor) { @@ -195,7 +196,7 @@ clocks_enable_fpga_clk(bool enable, int divisor) { clocks_enable_XXX_clk(enable,divisor,0x3D,0x4A,CLOCK_MODE_PECL); } - +/* // Clock 2 on Rev 3, Clock 5 on Rev 4, Clock 6 on USRP2+ void clocks_enable_clkexp_out(bool enable, int divisor) @@ -217,7 +218,8 @@ clocks_enable_clkexp_out(bool enable, int divisor) else putstr("ERR (clocks_enable_clkexp_out): Invalid hw rev, don't know what to do!\n"); } - +*/ +/* // Clock 5 on Rev 3, none (was 2) on Rev 4, none on USRP2+ void clocks_enable_eth_phyclk(bool enable, int divisor) @@ -229,7 +231,7 @@ clocks_enable_eth_phyclk(bool enable, int divisor) else putstr("(clocks_enable_eth_phyclk): no eth PHY clock or invalid hw rev\n"); //not really an error } - +*/ // Clock 3 /*void clocks_enable_dac_clk(bool enable, int divisor) diff --git a/firmware/microblaze/lib/clocks.h b/firmware/microblaze/lib/clocks.h index a285e03dd..2769fd434 100644 --- a/firmware/microblaze/lib/clocks.h +++ b/firmware/microblaze/lib/clocks.h @@ -43,12 +43,12 @@ void clocks_init(void); * Configure our master clock source, and whether or not we drive a * clock onto the mimo connector. See MC_flags in usrp2_mimo_config.h. */ -void clocks_mimo_config(int flags); +//void clocks_mimo_config(int flags); /*! * \brief Lock Detect -- Return True if our PLL is locked */ -bool clocks_lock_detect(); +//bool clocks_lock_detect(); /*! * \brief Enable or disable test clock (extra clock signal) @@ -63,12 +63,12 @@ void clocks_enable_fpga_clk(bool enable, int divisor); /*! * \brief Enable or disable clock output sent to MIMO connector */ -void clocks_enable_clkexp_out(bool enable, int divisor); +//void clocks_enable_clkexp_out(bool enable, int divisor); /*! * \brief Enable or disable ethernet phyclk, should always be disabled */ -void clocks_enable_eth_phyclk(bool enable, int divisor); +//void clocks_enable_eth_phyclk(bool enable, int divisor); /*! * \brief Enable or disable clock to DAC diff --git a/firmware/microblaze/usrp2/Makefile.am b/firmware/microblaze/usrp2/Makefile.am index b45d2481b..8da013980 100644 --- a/firmware/microblaze/usrp2/Makefile.am +++ b/firmware/microblaze/usrp2/Makefile.am @@ -33,7 +33,6 @@ noinst_LIBRARIES = libusrp2.a libusrp2_a_SOURCES = \ $(COMMON_SRCS) \ - clocks.c \ sd.c \ ethernet.c diff --git a/firmware/microblaze/usrp2/clocks.c b/firmware/microblaze/usrp2/clocks.c deleted file mode 100644 index ccc4a7cc7..000000000 --- a/firmware/microblaze/usrp2/clocks.c +++ /dev/null @@ -1,239 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008 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/>. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <clocks.h> - -#include "memory_map.h" -#include "ad9510.h" -#include "spi.h" -#include "u2_init.h" -#include "nonstdio.h" - -void -clocks_init(void) -{ - // Set up basic clocking functions in AD9510 - ad9510_write_reg(0x45, 0x00); // CLK2 drives distribution - - clocks_enable_fpga_clk(true, 1); - - spi_wait(); - - // Set up PLL for 10 MHz reference - // Reg 4, A counter, Don't Care - ad9510_write_reg(0x05, 0x00); // Reg 5, B counter MSBs, 0 - ad9510_write_reg(0x06, 0x05); // Reg 6, B counter LSBs, 5 - // Reg 7, Loss of reference detect, doesn't work yet, 0 - ad9510_write_reg(0x5A, 0x01); // Update Regs - - // Primary clock configuration - clocks_mimo_config(MC_WE_DONT_LOCK); - - // Set up other clocks - //clocks_enable_test_clk(false, 0); - //clocks_enable_tx_dboard(false, 0); - //clocks_enable_rx_dboard(false, 0); - clocks_enable_eth_phyclk(false, 0); - - // Enable clock to ADCs and DACs - //clocks_enable_dac_clk(true, 1); - //clocks_enable_adc_clk(true, 1); -} - - -void -clocks_mimo_config(int flags) -{ - if (flags & _MC_WE_LOCK){ - // Reg 8, Charge pump on, dig lock det, positive PFD, 47 - ad9510_write_reg(0x08, 0x47); - } - else { - // Reg 8, Charge pump off, dig lock det, positive PFD - ad9510_write_reg(0x08, 0x00); - } - - // Reg 9, Charge pump current, 0x40=3mA, 0x00=650uA - ad9510_write_reg(0x09, 0x00); - // Reg A, Prescaler of 2, everything normal 04 - ad9510_write_reg(0x0A, 0x04); - // Reg B, R Div MSBs, 0 - ad9510_write_reg(0x0B, 0x00); - // Reg C, R Div LSBs, 1 - ad9510_write_reg(0x0C, 0x01); - // Reg D, Antibacklash, Digital lock det, 0 - - ad9510_write_reg(0x5A, 0x01); // Update Regs - - spi_wait(); - - // Allow for clock switchover - - if (flags & _MC_WE_LOCK){ // WE LOCK - if (flags & _MC_MIMO_CLK_INPUT) { - // Turn on ref output and choose the MIMO connector - output_regs->clk_ctrl = 0x15; - } - else { - // turn on ref output and choose the SMA - output_regs->clk_ctrl = 0x1C; - } - } - else { // WE DONT LOCK - // Disable both ext clk inputs - output_regs->clk_ctrl = 0x10; - } - - // Do we drive a clock onto the MIMO connector? - if (flags & MC_PROVIDE_CLK_TO_MIMO) - clocks_enable_clkexp_out(true,10); - else - clocks_enable_clkexp_out(false,0); -} - -bool -clocks_lock_detect() -{ - if(pic_regs->pending & PIC_CLKSTATUS) - return true; - return false; -} - -int inline -clocks_gen_div(int divisor) -{ - int L,H; - L = (divisor>>1)-1; - H = divisor-L-2; - return (L<<4)|H; -} - -#define CLOCK_OUT_EN 0x08 -#define CLOCK_OUT_DIS_CMOS 0x01 -#define CLOCK_OUT_DIS_PECL 0x02 -#define CLOCK_DIV_DIS 0x80 -#define CLOCK_DIV_EN 0x00 - -#define CLOCK_MODE_PECL 1 -#define CLOCK_MODE_LVDS 2 -#define CLOCK_MODE_CMOS 3 - -void -clocks_enable_XXX_clk(bool enable, int divisor, int reg_en, int reg_div, int mode) -{ - int enable_word, div_word, div_en_word; - - switch(mode) { - case CLOCK_MODE_PECL : - enable_word = enable ? 0x08 : 0x0A; - break; - case CLOCK_MODE_LVDS : - enable_word = enable ? 0x02 : 0x03; - break; - case CLOCK_MODE_CMOS : - enable_word = enable ? 0x08 : 0x09; - break; - } - if(enable && (divisor>1)) { - div_word = clocks_gen_div(divisor); - div_en_word = CLOCK_DIV_EN; - } - else { - div_word = 0; - div_en_word = CLOCK_DIV_DIS; - } - - ad9510_write_reg(reg_en,enable_word); // Output en/dis - ad9510_write_reg(reg_div,div_word); // Set divisor - ad9510_write_reg(reg_div+1,div_en_word); // Enable or Bypass Divider - ad9510_write_reg(0x5A, 0x01); // Update Regs -} - -// Clock 0 -/*void -clocks_enable_test_clk(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x3C,0x48,CLOCK_MODE_PECL); -}*/ - -// Clock 1 -void -clocks_enable_fpga_clk(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x3D,0x4A,CLOCK_MODE_PECL); -} - -// Clock 2 on Rev 3, Clock 5 on Rev 4 -void -clocks_enable_clkexp_out(bool enable, int divisor) -{ - if(u2_hw_rev_major == 3) - clocks_enable_XXX_clk(enable,divisor,0x3E,0x4C,CLOCK_MODE_PECL); - else if(u2_hw_rev_major == 4) { - ad9510_write_reg(0x34,0x00); // Turn on fine delay - ad9510_write_reg(0x35,0x00); // Set Full Scale to nearly 10ns - ad9510_write_reg(0x36,0x1c); // Set fine delay. 0x20 is midscale - clocks_enable_XXX_clk(enable,divisor,0x41,0x52,CLOCK_MODE_LVDS); - - } - else - putstr("ERR: Invalid Rev\n"); -} - -// Clock 5 on Rev 3, none (was 2) on Rev 4 -void -clocks_enable_eth_phyclk(bool enable, int divisor) -{ - if(u2_hw_rev_major == 3) - clocks_enable_XXX_clk(enable,divisor,0x41,0x52,CLOCK_MODE_LVDS); - else if(u2_hw_rev_major == 4) - clocks_enable_XXX_clk(enable,divisor,0x3E,0x4C,CLOCK_MODE_PECL); - else - putstr("ERR: Invalid Rev\n"); -} - -// Clock 3 -/*void -clocks_enable_dac_clk(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x3F,0x4E,CLOCK_MODE_PECL); -}*/ - -// Clock 4 -/*void -clocks_enable_adc_clk(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x40,0x50,CLOCK_MODE_LVDS); -}*/ - -// Clock 6 -/*void -clocks_enable_tx_dboard(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x42,0x54,CLOCK_MODE_CMOS); -}*/ - -// Clock 7 -/*void -clocks_enable_rx_dboard(bool enable, int divisor) -{ - clocks_enable_XXX_clk(enable,divisor,0x43,0x56,CLOCK_MODE_CMOS); -}*/ diff --git a/firmware/microblaze/usrp2p/Makefile.am b/firmware/microblaze/usrp2p/Makefile.am index 86affc1f3..ddc7006ca 100644 --- a/firmware/microblaze/usrp2p/Makefile.am +++ b/firmware/microblaze/usrp2p/Makefile.am @@ -45,7 +45,6 @@ noinst_LIBRARIES = libusrp2p.a libusrp2p_a_SOURCES = \ $(COMMON_SRCS) \ - clocks.c \ spif.c \ spi_flash.c \ spi_flash_read.c \ |