143 lines
5.3 KiB
C
143 lines
5.3 KiB
C
/************************************************************************************
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* configs/sam4cmp-db/include/board.h
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*
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* Copyright (C) 2016 Masayuki Ishikawa. All rights reserved.
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* Author: Masayuki Ishikawa <masayuki.ishikawa@gmail.com>
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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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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIGS_SAM4CMP_DB_INCLUDE_BOARD_H
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#define __CONFIGS_SAM4CMP_DB_INCLUDE_BOARD_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Clocking *************************************************************************/
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/* After power-on reset, the sam3u device is running on a 4MHz internal RC. These
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* definitions will configure clocking with MCK = 48MHz, PLLA = 96, and CPU=120MHz.
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*/
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/* Main oscillator register settings */
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#define BOARD_CKGR_MOR_MOSCXTST (63 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
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/* PLLA configuration:
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*
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* Source: 12MHz crystall at 12MHz
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* PLLdiv: 10
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* PLLmul: 1 (bypassed)
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* Fpll: (12MHz * 10) / 1 = 120MHz
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*/
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#define BOARD_MAINOSC_FREQUENCY (8192000)
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#define BOARD_CKGR_PLLAR_MUL (9 << PMC_CKGR_PLLAR_MUL_SHIFT)
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#define BOARD_CKGR_PLLAR_DIV PMC_CKGR_PLLAR_DIV_BYPASS
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#define BOARD_CKGR_PLLAR_COUNT (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
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#define BOARD_PLLA_FREQUENCY (10*BOARD_MAINOSC_FREQUENCY)
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/* PLLB configuration
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*
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* Source: MAIN clock (i.e. 8.192MHz)
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* PLLdiv: 4
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* PLLmul: 45
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* Fpll: (8.192MHz * (44+1) / 4 = 92.120 MHz
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*/
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#define BOARD_CKGR_PLLBR_SRCB (0 << PMC_CKGR_PLLBR_SRCB_SHIFT)
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#define BOARD_CKGR_PLLBR_DIV (4 << PMC_CKGR_PLLBR_DIV_SHIFT)
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#define BOARD_CKGR_PLLBR_MUL (44 << PMC_CKGR_PLLBR_MUL_SHIFT)
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#define BOARD_CKGR_PLLBR_COUNT (63 << PMC_CKGR_PLLBR_COUNT_SHIFT)
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#define BOARD_PLLB_FREQUENCY (92160000)
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/* PMC master clock register settings */
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#define BOARD_PMC_MCKR_CSS PMC_MCKR_CSS_PLLB
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#define BOARD_PMC_MCKR_PRES PMC_MCKR_PRES_DIV1
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#define BOARD_MCK_FREQUENCY (BOARD_PLLB_FREQUENCY/1)
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#define BOARD_CPU_FREQUENCY (BOARD_PLLB_FREQUENCY/1)
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/* USB UTMI PLL start-up time */
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#define BOARD_CKGR_UCKR_UPLLCOUNT (3 << PMC_CKGR_UCKR_UPLLCOUNT_SHIFT)
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/* FLASH wait states:
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*
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* DC Characteristics
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*
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* Parameter Min Typ Max
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* ---------------------- ----- ----- ----
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* Vddcore DC Supply Core 1.08V 1.2V 1.32V
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* Vvddio DC Supply I/Os 1.62V 3.3V 3.6V
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*
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* Wait Maximum
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* Vddcore Vvddio States Frequency (MHz)
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* ------- ---------- ------ ---------------
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* 1.08V 1.62-3.6V 0 16
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* " " " "-" " 1 33
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* " " " "-" " 2 50
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* " " " "-" " 3 67
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* " " " "-" " 4 84
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* " " " "-" " 5 100
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* 1.08V 2.7-3.6V 0 20
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* " " " "-" " 1 40
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* " " " "-" " 2 60
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* " " " "-" " 3 80
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* " " " "-" " 4 100
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* 1.2V 1.62-3.6V 0 17
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* " " " "-" " 1 34
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* " " " "-" " 2 52
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* " " " "-" " 3 69
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* " " " "-" " 4 87
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* " " " "-" " 5 104
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* " " " "-" " 6 121
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* 1.2V 2.7-3.6V 0 21
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* " " " "-" " 1 42
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* " " " "-" " 2 63
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* " " " "-" " 3 84
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* " " " "-" " 4 105
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* " " " "-" " 5 123 << SELECTION
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*/
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#define BOARD_FWS 5
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#endif /* __CONFIGS_SAM4CMP_DB_INCLUDE_BOARD_H */
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