diff options
author | David Madison <dmadison@users.noreply.github.com> | 2019-02-15 13:00:46 -0500 |
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committer | GitHub <noreply@github.com> | 2019-02-15 13:00:46 -0500 |
commit | 7d65dd08142eda767eb822bf2d92c3a1bd9f8b8f (patch) | |
tree | 5609dee433e7d089e6c4f974fa1d870b4068d613 /firmwares/wifishield/wifi_dnld/src/clocks.c | |
parent | 2663be17272e19f00c55f3f2d8f1ebfac47158d6 (diff) | |
parent | 91e267bcc42442d4e9da09aab30065ad5d44025a (diff) |
Merge pull request #1 from dmadison/forking
Forking
Diffstat (limited to 'firmwares/wifishield/wifi_dnld/src/clocks.c')
-rw-r--r-- | firmwares/wifishield/wifi_dnld/src/clocks.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/firmwares/wifishield/wifi_dnld/src/clocks.c b/firmwares/wifishield/wifi_dnld/src/clocks.c deleted file mode 100644 index cdd07fa..0000000 --- a/firmwares/wifishield/wifi_dnld/src/clocks.c +++ /dev/null @@ -1,101 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/*! \page License - * Copyright (C) 2009, H&D Wireless AB All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * 3. The name of H&D Wireless AB may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY H&D WIRELESS AB ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND - * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - - -#include <avr32/io.h> -#include "board.h" -#include "clocks.h" -#include "pm.h" -#include "flashc.h" -#include "gpio.h" - -/** - * Initializes the MCU system clocks. - */ -void -init_sys_clocks(void) -{ - /* switch to OSC0 to speed up the booting */ - pm_switch_to_osc0(&AVR32_PM, FOSC0, OSC0_STARTUP); - -#ifndef USE_PLL - return; -#endif - - /* For audio, ee have to use OSC1 on to generate the correct clockrate - * for the SSC - */ -#if OSC == 1 - /* start oscillator1 */ - pm_enable_osc1_crystal(&AVR32_PM, FOSC1); - pm_enable_clk1(&AVR32_PM, OSC1_STARTUP); -#endif - - /* configure pll multipliers */ - pm_pll_setup(&AVR32_PM, - 0, /* pll */ - PLL_MUL, /* mul */ - 1, /* div */ - OSC, /* osc */ - 16); /* lockcount */ - - /* set PLL operating range and divider (fpll = fvco/2) - * this gives PLL output = 66 MHz (62.0928 MHz for EVK1105/OSC1) - */ - pm_pll_set_option(&AVR32_PM, - 0, /* pll */ - 1, /* pll_freq */ - 1, /* pll_div2 */ - 0); /* pll_wbwdisable. */ - - - /* start PLL0 and wait for the lock */ - pm_pll_enable(&AVR32_PM, 0); - pm_wait_for_pll0_locked(&AVR32_PM); - - /* Set all peripheral clocks torun at master clock rate */ - pm_cksel(&AVR32_PM, - 0, /* pbadiv */ - 0, /* pbasel */ - 0, /* pbbdiv */ - 0, /* pbbsel */ - 0, /* hsbdiv */ - 0); /* hsbsel */ - - /* Set one waitstate for the flash */ - flashc_set_wait_state(1); - - /* Switch to PLL0 as the master clock */ - pm_switch_to_clock(&AVR32_PM, AVR32_PM_MCCTRL_MCSEL_PLL0); - -#if OSC == 1 - pm_configure_usb_clock(); -#endif -} |