2c9a538582
bump libmc1322x to 7bee48243c
Conflicts:
cpu/mc1322x/board/Makefile.board
cpu/mc1322x/lib/include/uart.h
cpu/mc1322x/lib/uart1.c
cpu/mc1322x/lib/uart2.c
cpu/mc1322x/src/default_lowlevel.c
71 lines
2.9 KiB
C
71 lines
2.9 KiB
C
/*
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of libmc1322x: see http://mc1322x.devl.org
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* for details.
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*
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*
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*/
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#include <mc1322x.h>
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#include <stdint.h>
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void default_vreg_init(void) {
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volatile uint32_t i;
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*CRM_SYS_CNTL = 0x00000018; /* set default state */
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*CRM_VREG_CNTL = 0x00000f04; /* bypass the buck */
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for(i=0; i<0x161a8; i++) { continue; } /* wait for the bypass to take */
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// while((((*(volatile uint32_t *)(0x80003018))>>17) & 1) !=1) { continue; } /* wait for the bypass to take */
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*CRM_VREG_CNTL = 0x00000ff8; /* start the regulators */
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}
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void buck_init(void) {
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CRM->SYS_CNTLbits.PWR_SOURCE = 1;
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CRM->VREG_CNTLbits.BUCK_SYNC_REC_EN = 1;
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CRM->VREG_CNTLbits.BUCK_BYPASS_EN = 0;
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CRM->VREG_CNTLbits.BUCK_EN = 1;
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while(CRM->STATUSbits.VREG_BUCK_RDY == 0) { continue; }
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CRM->VREG_CNTLbits.VREG_1P5V_SEL = 3;
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CRM->VREG_CNTLbits.VREG_1P5V_EN = 3;
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CRM->VREG_CNTLbits.VREG_1P8V_EN = 1;
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while(CRM->STATUSbits.VREG_1P5V_RDY == 0) { continue; }
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while(CRM->STATUSbits.VREG_1P8V_RDY == 0) { continue; }
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}
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void m12_init(void) {
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/* configure pullups for low power */
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GPIO->FUNC_SEL.GPIO_63 = 3;
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GPIO->PAD_PU_SEL.GPIO_63 = 0;
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GPIO->FUNC_SEL.SS = 3;
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GPIO->PAD_PU_SEL.SS = 1;
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GPIO->FUNC_SEL.VREF2H = 3;
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GPIO->PAD_PU_SEL.VREF2H = 1;
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GPIO->FUNC_SEL.U1RTS = 3;
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GPIO->PAD_PU_SEL.U1RTS = 1;
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}
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