SAMV7: Add basic clock and timer ISR configuration logic
This commit is contained in:
Gregory Nutt
parent
839dd9baef
commit
b3403dee6a
@ -1,7 +1,7 @@
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############################################################################
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# arch/arm/src/samv7/Make.defs
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#
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# Copyright (C) 2009-2011, 2013-2015 Gregory Nutt. All rights reserved.
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# Copyright (C) 2015 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -91,6 +91,10 @@ endif
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# Required SAM3/4 files
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CHIP_ASRCS =
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CHIP_CSRCS = sam_start.c
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CHIP_CSRCS = sam_start.c sam_clockconfig.c
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# Configuration-dependent SAM3/4 files
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ifneq ($(CONFIG_SCHED_TICKLESS),y)
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CHIP_CSRCS += sam_timerisr.c
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endif
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@ -60,11 +60,11 @@
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/* EEFC register addresses **************************************************************/
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#define SAM_EEFC_FMR (SAM_EEFC0_BASE+SAM_EEFC_FMR_OFFSET)
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#define SAM_EEFC_FCR (SAM_EEFC0_BASE+SAM_EEFC_FCR_OFFSET)
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#define SAM_EEFC_FSR (SAM_EEFC0_BASE+SAM_EEFC_FSR_OFFSET)
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#define SAM_EEFC_FRR (SAM_EEFC0_BASE+SAM_EEFC_FRR_OFFSET)
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#define SAM_EEFC_WPMR (SAM_EEFC0_BASE+SAM_EEFC_WPMR_OFFSET)
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#define SAM_EEFC_FMR (SAM_EEFC_BASE+SAM_EEFC_FMR_OFFSET)
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#define SAM_EEFC_FCR (SAM_EEFC_BASE+SAM_EEFC_FCR_OFFSET)
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#define SAM_EEFC_FSR (SAM_EEFC_BASE+SAM_EEFC_FSR_OFFSET)
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#define SAM_EEFC_FRR (SAM_EEFC_BASE+SAM_EEFC_FRR_OFFSET)
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#define SAM_EEFC_WPMR (SAM_EEFC_BASE+SAM_EEFC_WPMR_OFFSET)
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/* EEFC register bit definitions ********************************************************/
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/* EEFC Flash Mode Register */
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334
arch/arm/src/samv7/chip/sam_matrix.h
Normal file
334
arch/arm/src/samv7/chip/sam_matrix.h
Normal file
@ -0,0 +1,334 @@
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/****************************************************************************************
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* arch/arm/src/samv7/chip/sam_matrix.h
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* Bux matrix definitions for the SAMV71
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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 __ARCH_ARM_SRC_SAMV7_CHIP_SAM_MATRIX_H
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#define __ARCH_ARM_SRC_SAMV7_CHIP_SAM_MATRIX_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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#include "chip.h"
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#include "chip/sam_memorymap.h"
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/****************************************************************************************
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* Pre-processor Definitions
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****************************************************************************************/
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/* MATRIX register offsets **************************************************************/
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#define SAM_MATRIX_MCFG_OFFSET(n) ((n)<<2)
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# define SAM_MATRIX_MCFG0_OFFSET 0x0000 /* Master Configuration Register 0 */
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# define SAM_MATRIX_MCFG1_OFFSET 0x0004 /* Master Configuration Register 1 */
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# define SAM_MATRIX_MCFG2_OFFSET 0x0008 /* Master Configuration Register 2 */
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# define SAM_MATRIX_MCFG3_OFFSET 0x000c /* Master Configuration Register 3 */
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# define SAM_MATRIX_MCFG4_OFFSET 0x0010 /* Master Configuration Register 4 */
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# define SAM_MATRIX_MCFG5_OFFSET 0x0014 /* Master Configuration Register 5 */
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# define SAM_MATRIX_MCFG6_OFFSET 0x0018 /* Master Configuration Register 6 */
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# define SAM_MATRIX_MCFG7_OFFSET 0x001c /* Master Configuration Register 7 */
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# define SAM_MATRIX_MCFG8_OFFSET 0x0020 /* Master Configuration Register 8 */
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# define SAM_MATRIX_MCFG9_OFFSET 0x0024 /* Master Configuration Register 9 */
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# define SAM_MATRIX_MCFG10_OFFSET 0x0028 /* Master Configuration Register 10 */
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# define SAM_MATRIX_MCFG11_OFFSET 0x002c /* Master Configuration Register 11 */
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/* 0x0030-0x003c: Reserved */
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#define SAM_MATRIX_SCFG_OFFSET(n) (0x0040+((n)<<2))
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# define SAM_MATRIX_SCFG0_OFFSET 0x0040 /* Slave Configuration Register 0 */
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# define SAM_MATRIX_SCFG1_OFFSET 0x0044 /* Slave Configuration Register 1 */
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# define SAM_MATRIX_SCFG2_OFFSET 0x0048 /* Slave Configuration Register 2 */
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# define SAM_MATRIX_SCFG3_OFFSET 0x004c /* Slave Configuration Register 3 */
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# define SAM_MATRIX_SCFG4_OFFSET 0x0050 /* Slave Configuration Register 4 */
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# define SAM_MATRIX_SCFG5_OFFSET 0x0054 /* Slave Configuration Register 5 */
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# define SAM_MATRIX_SCFG6_OFFSET 0x0058 /* Slave Configuration Register 6 */
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# define SAM_MATRIX_SCFG7_OFFSET 0x005c /* Slave Configuration Register 7 */
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# define SAM_MATRIX_SCFG8_OFFSET 0x0060 /* Slave Configuration Register 8 */
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/* 0x0064-0x007c: Reserved */
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#define SAM_MATRIX_PRAS_OFFSET(n) (0x0080+((n)<<3))
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# define SAM_MATRIX_PRAS0_OFFSET 0x0080 /* Priority Register A for Slave 0 */
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# define SAM_MATRIX_PRAS1_OFFSET 0x0088 /* Priority Register A for Slave 1 */
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# define SAM_MATRIX_PRAS2_OFFSET 0x0090 /* Priority Register A for Slave 2 */
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# define SAM_MATRIX_PRAS3_OFFSET 0x0098 /* Priority Register A for Slave 3 */
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# define SAM_MATRIX_PRAS4_OFFSET 0x00a0 /* Priority Register A for Slave 4 */
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# define SAM_MATRIX_PRAS5_OFFSET 0x00a8 /* Priority Register A for Slave 5 */
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# define SAM_MATRIX_PRAS6_OFFSET 0x00b0 /* Priority Register A for Slave 6 */
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# define SAM_MATRIX_PRAS7_OFFSET 0x00b8 /* Priority Register A for Slave 7 */
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# define SAM_MATRIX_PRAS8_OFFSET 0x00c0 /* Priority Register A for Slave 8 */
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#define SAM_MATRIX_PRBS_OFFSET(n) (0x0084+((n)<<3))
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# define SAM_MATRIX_PRBS0_OFFSET 0x0084 /* Priority Register B for Slave 0 */
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# define SAM_MATRIX_PRBS1_OFFSET 0x008c /* Priority Register B for Slave 1 */
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# define SAM_MATRIX_PRBS2_OFFSET 0x0094 /* Priority Register B for Slave 2 */
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# define SAM_MATRIX_PRBS3_OFFSET 0x009c /* Priority Register B for Slave 3 */
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# define SAM_MATRIX_PRBS4_OFFSET 0x00a4 /* Priority Register B for Slave 4 */
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# define SAM_MATRIX_PRBS5_OFFSET 0x00ac /* Priority Register B for Slave 5 */
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# define SAM_MATRIX_PRBS6_OFFSET 0x00b4 /* Priority Register B for Slave 6 */
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# define SAM_MATRIX_PRBS7_OFFSET 0x00bc /* Priority Register B for Slave 7 */
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# define SAM_MATRIX_PRBS8_OFFSET 0x00c4 /* Priority Register B for Slave 8 */
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/* 0x006c8-0x00fc: Reserved */
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#define SAM_MATRIX_MRCR_OFFSET 0x0100 /* Master Remap Control Register */
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/* 0x0104-0x010c: Reserved */
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#define SAM_MATRIX_CAN0_OFFSET 0x0100 /* Master Remap Control Register */
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#define SAM_MATRIX_CCFG_SYSIO_OFFSET 0x0114 /* System I/O Configuration Register */
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/* 0x0118-0x0120: Reserved */
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#define SAM_MATRIX_CCFG_SMCNFCS_OFFSET 0x0124 /* SMC Chip Select NAND Flash Assignment Register */
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/* 0x0128-0x01e0: Reserved */
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#define SAM_MATRIX_WPMR_OFFSET 0x01e4 /* Write Protect Mode Register */
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#define SAM_MATRIX_WPSR_OFFSET 0x01e8 /* Write Protect Status Register */
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/* 0x0110-0x01fc: Reserved */
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/* MATRIX register addresses ************************************************************/
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#define SAM_MATRIX_MCFG(n)) (SAM_MATRIX_BASE+SAM_MATRIX_MCFG_OFFSET(n))
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# define SAM_MATRIX_MCFG0 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG0_OFFSET)
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# define SAM_MATRIX_MCFG1 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG1_OFFSET)
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# define SAM_MATRIX_MCFG2 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG2_OFFSET)
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# define SAM_MATRIX_MCFG3 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG3_OFFSET)
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# define SAM_MATRIX_MCFG4 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG4_OFFSET)
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# define SAM_MATRIX_MCFG5 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG5_OFFSET)
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# define SAM_MATRIX_MCFG6 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG6_OFFSET)
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# define SAM_MATRIX_MCFG7 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG7_OFFSET)
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# define SAM_MATRIX_MCFG8 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG8_OFFSET)
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# define SAM_MATRIX_MCFG9 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG9_OFFSET)
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# define SAM_MATRIX_MCFG10 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG10_OFFSET)
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# define SAM_MATRIX_MCFG11 (SAM_MATRIX_BASE+SAM_MATRIX_MCFG11_OFFSET)
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#define SAM_MATRIX_SCFG(n) (SAM_MATRIX_BASE+SAM_MATRIX_SCFG_OFFSET(n))
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# define SAM_MATRIX_SCFG0 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG0_OFFSET)
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# define SAM_MATRIX_SCFG1 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG1_OFFSET)
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# define SAM_MATRIX_SCFG2 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG2_OFFSET)
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# define SAM_MATRIX_SCFG3 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG3_OFFSET)
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# define SAM_MATRIX_SCFG4 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG4_OFFSET)
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# define SAM_MATRIX_SCFG5 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG5_OFFSET)
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# define SAM_MATRIX_SCFG6 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG6_OFFSET)
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# define SAM_MATRIX_SCFG7 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG7_OFFSET)
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# define SAM_MATRIX_SCFG8 (SAM_MATRIX_BASE+SAM_MATRIX_SCFG8_OFFSET)
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#define SAM_MATRIX_PRAS(n) (SAM_MATRIX_BASE+SAM_MATRIX_PRAS_OFFSET(n))
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# define SAM_MATRIX_PRAS0 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS0_OFFSET)
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# define SAM_MATRIX_PRAS1 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS1_OFFSET)
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# define SAM_MATRIX_PRAS2 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS2_OFFSET)
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# define SAM_MATRIX_PRAS3 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS3_OFFSET)
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# define SAM_MATRIX_PRAS4 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS4_OFFSET)
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# define SAM_MATRIX_PRAS5 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS5_OFFSET)
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# define SAM_MATRIX_PRAS6 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS6_OFFSET)
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# define SAM_MATRIX_PRAS7 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS7_OFFSET)
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# define SAM_MATRIX_PRAS8 (SAM_MATRIX_BASE+SAM_MATRIX_PRAS8_OFFSET)
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#define SAM_MATRIX_PRBS(n) (SAM_MATRIX_BASE+SAM_MATRIX_PRBS_OFFSET(n))
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# define SAM_MATRIX_PRBS0 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS0_OFFSET)
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# define SAM_MATRIX_PRBS1 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS1_OFFSET)
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# define SAM_MATRIX_PRBS2 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS2_OFFSET)
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# define SAM_MATRIX_PRBS3 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS3_OFFSET)
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# define SAM_MATRIX_PRBS4 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS4_OFFSET)
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# define SAM_MATRIX_PRBS5 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS5_OFFSET)
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# define SAM_MATRIX_PRBS6 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS6_OFFSET)
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# define SAM_MATRIX_PRBS7 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS7_OFFSET)
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# define SAM_MATRIX_PRBS8 (SAM_MATRIX_BASE+SAM_MATRIX_PRBS8_OFFSET)
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#define SAM_MATRIX_MRCR (SAM_MATRIX_BASE+SAM_MATRIX_MRCR_OFFSET)
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#define SAM_MATRIX_CAN0 (SAM_MATRIX_BASE+SAM_MATRIX_CAN0_OFFSET)
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#define SAM_MATRIX_CCFG_SYSIO (SAM_MATRIX_BASE+SAM_MATRIX_CCFG_SYSIO_OFFSET)
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#define SAM_MATRIX_CCFG_SMCNFCS (SAM_MATRIX_BASE+SAM_MATRIX_CCFG_SMCNFCS_OFFSET)
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#define SAM_MATRIX_WPMR (SAM_MATRIX_BASE+SAM_MATRIX_WPMR_OFFSET)
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#define SAM_MATRIX_WPSR (SAM_MATRIX_BASE+SAM_MATRIX_WPSR_OFFSET)
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/* MATRIX register bit definitions ******************************************************/
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/* Master Configuration Registers */
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#define MATRIX_MCFG_ULBT_SHIFT (0) /* Bits 0-2: Undefined Length Burst Type */
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#define MATRIX_MCFG_ULBT_MASK (7 << MATRIX_MCFG_ULBT_SHIFT)
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# define MATRIX_MCFG_ULBT_INF (0 << MATRIX_MCFG_ULBT_SHIFT) /* Infinite Length Burst */
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# define MATRIX_MCFG_ULBT_SINGLE (1 << MATRIX_MCFG_ULBT_SHIFT) /* Single Access */
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# define MATRIX_MCFG_ULBT_4BEAT (2 << MATRIX_MCFG_ULBT_SHIFT) /* 4-beat Burst */
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# define MATRIX_MCFG_ULBT_8BEAT (3 << MATRIX_MCFG_ULBT_SHIFT) /* 8-beat Burst */
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# define MATRIX_MCFG_ULBT_16BEAT (4 << MATRIX_MCFG_ULBT_SHIFT) /* 16-beat Burst */
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# define MATRIX_MCFG_ULBT_32BEAT (5 << MATRIX_MCFG_ULBT_SHIFT) /* 32-beat Burst */
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# define MATRIX_MCFG_ULBT_64BEAT (6 << MATRIX_MCFG_ULBT_SHIFT) /* 64-beat Burst */
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# define MATRIX_MCFG_ULBT_128BEAT (7 << MATRIX_MCFG_ULBT_SHIFT) /* 128-beat Burst */
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/* Bus Matrix Slave Configuration Registers */
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#define MATRIX_SCFG_SLOTCYCLE_SHIFT (0) /* Bits 0-8: Maximum Number of Allowed Cycles for a Burst */
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#define MATRIX_SCFG_SLOTCYCLE_MASK (0x1ff << MATRIX_SCFG_SLOTCYCLE_SHIFT)
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# define MATRIX_SCFG_SLOTCYCLE(n) ((uint32_t)(n) << MATRIX_SCFG_SLOTCYCLE_SHIFT)
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#define MATRIX_SCFG_DEFMSTRTYPE_SHIFT (16) /* Bits 16-17: Default Master Type */
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#define MATRIX_SCFG_DEFMSTRTYPE_MASK (3 << MATRIX_SCFG_DEFMSTRTYPE_SHIFT)
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# define MATRIX_SCFG_DEFMSTRTYPE_NONE (0 << MATRIX_SCFG_DEFMSTRTYPE_SHIFT)
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# define MATRIX_SCFG_DEFMSTRTYPE_LAST (1 << MATRIX_SCFG_DEFMSTRTYPE_SHIFT)
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# define MATRIX_SCFG_DEFMSTRTYPE_FIXED (2 << MATRIX_SCFG_DEFMSTRTYPE_SHIFT)
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#define MATRIX_SCFG_FIXEDDEFMSTR_SHIFT (18) /* Bits 18-21: Fixed Default Master */
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#define MATRIX_SCFG_FIXEDDEFMSTR_MASK (15 << MATRIX_SCFG_FIXEDDEFMSTR_SHIFT)
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# define MATRIX_SCFG0_FIXEDDEFMSTR(n) ((uint32_t)(n) << MATRIX_SCFG_FIXEDDEFMSTR_SHIFT)
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/* Bus Matrix Priority Registers A For Slaves */
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#define MATRIX_PRAS_MPR_SHIFT(x) ((n)<<2) /* n=0-7 */
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#define MATRIX_PRAS_MPR_MASK(x) (3 << MATRIX_PRAS_MPR_SHIFT(x))
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# define MATRIX_PRAS_M0PR_SHIFT (0) /* Bits 0-1: Master 0 Priority */
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# define MATRIX_PRAS_M0PR_MASK (3 << MATRIX_PRAS_M0PR_SHIFT)
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# define MATRIX_PRAS_M0PR(n) ((uint32_t)(n) << MATRIX_PRAS_M0PR_SHIFT)
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# define MATRIX_PRAS_M1PR_SHIFT (4) /* Bits 4-5: Master 1 Priority */
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# define MATRIX_PRAS_M1PR_MASK (3 << MATRIX_PRAS_M1PR_SHIFT)
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# define MATRIX_PRAS_M1PR(n) ((uint32_t)(n) << MATRIX_PRAS_M1PR_SHIFT)
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# define MATRIX_PRAS_M2PR_SHIFT (8) /* Bits 8-9: Master 2 Priority */
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# define MATRIX_PRAS_M2PR_MASK (3 << MATRIX_PRAS_M2PR_SHIFT)
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# define MATRIX_PRAS_M2PR(n) ((uint32_t)(n) << MATRIX_PRAS_M2PR_SHIFT)
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# define MATRIX_PRAS_M3PR_SHIFT (12) /* Bits 12-13: Master 3 Priority */
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# define MATRIX_PRAS_M3PR_MASK (3 << MATRIX_PRAS_M3PR_SHIFT)
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# define MATRIX_PRAS_M3PR(n) ((uint32_t)(n) << MATRIX_PRAS_M3PR_SHIFT)
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# define MATRIX_PRAS_M4PR_SHIFT (16) /* Bits 16-17: Master 4 Priority */
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# define MATRIX_PRAS_M4PR_MASK (3 << MATRIX_PRAS_M4PR_SHIFT)
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# define MATRIX_PRAS_M4PR(n) ((uint32_t)(n) << MATRIX_PRAS_M4PR_SHIFT)
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# define MATRIX_PRAS_M5PR_SHIFT (20) /* Bits 20-21: Master 5 Priority */
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# define MATRIX_PRAS_M5PR_MASK (3 << MATRIX_PRAS_M5PR_SHIFT)
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# define MATRIX_PRAS_M5PR(n) ((uint32_t)(n) << MATRIX_PRAS_M5PR_SHIFT)
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# define MATRIX_PRAS_M6PR_SHIFT (24) /* Bits 24-25: Master 6 Priority */
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# define MATRIX_PRAS_M6PR_MASK (3 << MATRIX_PRAS_M6PR_SHIFT)
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# define MATRIX_PRAS_M6PR(n) ((uint32_t)(n) << MATRIX_PRAS_M6PR_SHIFT)
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# define MATRIX_PRAS_M7PR_SHIFT (28) /* Bits 28-29: Master 7 Priority */
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# define MATRIX_PRAS_M7PR_MASK (3 << MATRIX_PRAS_M7PR_SHIFT)
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# define MATRIX_PRAS_M7PR(n) ((uint32_t)(n) << MATRIX_PRAS_M7PR_SHIFT)
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/* Bus Matrix Priority Registers B For Slaves */
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#define MATRIX_PRBS_MPR_SHIFT(x) (((n)-8) << 2) /* n = 8-11 */
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#define MATRIX_PRBS_MPR_MASK(x) (3 << MATRIX_PRBS_MPR_SHIFT(x))
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# define MATRIX_PRBS_M8PR_SHIFT (0) /* Bits 0-1: Master 8 Priority */
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# define MATRIX_PRBS_M8PR_MASK (3 << MATRIX_PRBS_M8PR_SHIFT)
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# define MATRIX_PRBS_M8PR(n) ((uint32_t)(n) << MATRIX_PRBS_M8PR_SHIFT)
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# define MATRIX_PRBS_M9PR_SHIFT (4) /* Bits 4-5: Master 9 Priority */
|
||||
# define MATRIX_PRBS_M9PR_MASK (3 << MATRIX_PRBS_M9PR_SHIFT)
|
||||
# define MATRIX_PRBS_M9PR(n) ((uint32_t)(n) << MATRIX_PRBS_M9PR_SHIFT)
|
||||
# define MATRIX_PRBS_M10PR_SHIFT (8) /* Bits 8-9: Master 10 Priority */
|
||||
# define MATRIX_PRBS_M10PR_MASK (3 << MATRIX_PRBS_M10PR_SHIFT)
|
||||
# define MATRIX_PRBS_M10PR(n) ((uint32_t)(n) << MATRIX_PRBS_M10PR_SHIFT)
|
||||
# define MATRIX_PRBS_M11PR_SHIFT (12) /* Bits 12-13: Master 11 Priority */
|
||||
# define MATRIX_PRBS_M11PR_MASK (3 << MATRIX_PRBS_M11PR_SHIFT)
|
||||
# define MATRIX_PRBS_M11PR(n) ((uint32_t)(n) << MATRIX_PRBS_M11PR_SHIFT)
|
||||
|
||||
/* Master Remap Control Register */
|
||||
|
||||
#define MATRIX_MRCR_RCB(n) (1 << (n)) /* n=0-11 */
|
||||
# define MATRIX_MRCR_RCB0 (1 << 0) /* Bit 0: Remap Command Bit for AHB Master 0 */
|
||||
# define MATRIX_MRCR_RCB1 (1 << 1) /* Bit 1: Remap Command Bit for AHB Master 1 */
|
||||
# define MATRIX_MRCR_RCB2 (1 << 2) /* Bit 2: Remap Command Bit for AHB Master 2 */
|
||||
# define MATRIX_MRCR_RCB3 (1 << 3) /* Bit 3: Remap Command Bit for AHB Master 3 */
|
||||
# define MATRIX_MRCR_RCB4 (1 << 4) /* Bit 4: Remap Command Bit for AHB Master 4 */
|
||||
# define MATRIX_MRCR_RCB5 (1 << 5) /* Bit 5: Remap Command Bit for AHB Master 5 */
|
||||
# define MATRIX_MRCR_RCB6 (1 << 6) /* Bit 6: Remap Command Bit for AHB Master 6 */
|
||||
# define MATRIX_MRCR_RCB7 (1 << 7) /* Bit 7: Remap Command Bit for AHB Master 7 */
|
||||
# define MATRIX_MRCR_RCB8 (1 << 8) /* Bit 8: Remap Command Bit for AHB Master 8 */
|
||||
# define MATRIX_MRCR_RCB9 (1 << 9) /* Bit 9: Remap Command Bit for AHB Master 9 */
|
||||
# define MATRIX_MRCR_RCB10 (1 << 10) /* Bit 10: Remap Command Bit for AHB Master 10 */
|
||||
# define MATRIX_MRCR_RCB11 (1 << 11) /* Bit 11: Remap Command Bit for AHB Master 11 */
|
||||
|
||||
/* CAN0 Configuration Register */
|
||||
|
||||
#define MATRIX_CAN0_CAN0DMABA_MASK 0xffff0000 /* Bits 16-31: CAN0 DMA Base Address */
|
||||
|
||||
/* System I/O and CAN1 Configuration Register */
|
||||
|
||||
#define MATRIX_CCFG_SYSIO_SYSIO(n) (1<<(n)) /* n=4-7, 12 */
|
||||
# define MATRIX_CCFG_SYSIO_SYSIO4 (1 << 4) /* Bit 4: PB4 or TDI Assignment */
|
||||
# define MATRIX_CCFG_SYSIO_SYSIO5 (1 << 5) /* Bit 5: PB5 or TDO/TRACESWO Assignment */
|
||||
# define MATRIX_CCFG_SYSIO_SYSIO6 (1 << 6) /* Bit 6: PB6 or TMS/SWDIO Assignment */
|
||||
# define MATRIX_CCFG_SYSIO_SYSIO7 (1 << 7) /* Bit 7: PB7 or TCK/SWCLK Assignment */
|
||||
# define MATRIX_CCFG_SYSIO_SYSIO12 (1 << 12) /* Bit 12: PB12 or ERASE Assignment */
|
||||
#define MATRIX_CAN0_CAN1DMABA_MASK 0xffff0000 /* Bits 16-31: CAN1 DMA Base Address */
|
||||
|
||||
/* SMC Chip Select NAND Flash Assignment Register */
|
||||
|
||||
#define MATRIX_CCFG_SMCNFCS_SMC_NFCS(n) (1<<(n)) /* Bit n: SMC NAND Flash Chip Select n Assignment */
|
||||
# define MATRIX_CCFG_SMCNFCS_SMC_NFCS0 (1 << 0) /* Bit 0: SMC NAND Flash Chip Select 0 Assignment */
|
||||
# define MATRIX_CCFG_SMCNFCS_SMC_NFCS1 (1 << 1) /* Bit 1: SMC NAND Flash Chip Select 2 Assignment */
|
||||
# define MATRIX_CCFG_SMCNFCS_SMC_NFCS2 (1 << 2) /* Bit 2: SMC NAND Flash Chip Select 2 Assignment */
|
||||
# define MATRIX_CCFG_SMCNFCS_SMC_NFCS3 (1 << 3) /* Bit 3: SMC NAND Flash Chip Select 3 Assignment */
|
||||
#define MATRIX_CCFG_SMCNFCS_SDRAMEN (1 << 4) /* Bit 4: SDRAM Enable */
|
||||
|
||||
/* Write Protect Mode Register */
|
||||
|
||||
#define MATRIX_WPMR_WPEN (1 << 0) /* Bit 0: Write Protect Enable */
|
||||
#define MATRIX_WPMR_WPKEY_SHIFT (8) /* Bits 8-31: Write Protect KEY (Write-only) */
|
||||
#define MATRIX_WPMR_WPKEY_MASK (0x00ffffff << MATRIX_WPMR_WPKEY_SHIFT)
|
||||
# define MATRIX_WPMR_WPKEY (0x004d4154 << MATRIX_WPMR_WPKEY_SHIFT)
|
||||
|
||||
/* Write Protect Status Register */
|
||||
|
||||
#define MATRIX_WPSR_WPVS (1 << 0) /* Bit 0: Enable Write Protect */
|
||||
#define MATRIX_WPSR_WPVSRC_SHIFT (8) /* Bits 8-23: Write Protect Violation Source */
|
||||
#define MATRIX_WPSR_WPVSRC_MASK (0xffff << MATRIX_WPSR_WPVSRC_SHIFT)
|
||||
|
||||
/* Masters ******************************************************************************/
|
||||
|
||||
#define MATRIX_MSTR_CORTEXM7_1 0 /* Cortex-M7 */
|
||||
#define MATRIX_MSTR_CORTEXM7_2 1 /* Cortex-M7 */
|
||||
#define MATRIX_MSTR_CORTEXM7_P 2 /* Cortex-M7 Peripheral Port */
|
||||
#define MATRIX_MSTR_ICM 3 /* Integrated Check Monitor */
|
||||
#define MATRIX_MSTR_XDMAC_1 4 /* XDMAC */
|
||||
#define MATRIX_MSTR_XDMAC_2 5 /* XDMAC */
|
||||
#define MATRIX_MSTR_ISI 6 /* ISI DMA */
|
||||
#define MATRIX_MSTR_MLB 7 /* Media LB */
|
||||
#define MATRIX_MSTR_USB 8 /* USB DMA */
|
||||
#define MATRIX_MSTR_EMAC 9 /* Ethernet MAC DMA */
|
||||
#define MATRIX_MSTR_CAN0 10 /* CAN0 DMA */
|
||||
#define MATRIX_MSTR_CAN1 11 /* CAN1 DMA */
|
||||
|
||||
/* Slaves *******************************************************************************/
|
||||
|
||||
#define MATRIX_SLAVE_ISRAM_1 0 /* Internal SRAM */
|
||||
#define MATRIX_SLAVE_ISRAM_2 1 /* Internal SRAM */
|
||||
#define MATRIX_SLAVE_IROM 2 /* Internal ROM */
|
||||
#define MATRIX_SLAVE_IFLASH 3 /* Internal Flash */
|
||||
#define MATRIX_SLAVE_USBRAM 4 /* USB High Speed Dual Port RAM (DPR) */
|
||||
#define MATRIX_SLAVE_EBI 5 /* External Bus Interface */
|
||||
#define MATRIX_SLAVE_QSPI 6 /* QSPI */
|
||||
#define MATRIX_SLAVE_PB 7 /* Peripheral Bridge */
|
||||
#define MATRIX_SLAVE_AHB 8 /* AHB Slave */
|
||||
|
||||
/****************************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************************/
|
||||
|
||||
/****************************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************************/
|
||||
|
||||
/****************************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************************/
|
||||
|
||||
#endif /* __ARCH_ARM_SRC_SAMV7_CHIP_SAM_MATRIX_H */
|
||||
@ -208,6 +208,8 @@
|
||||
#define PMC_CKGR_UCKR_UPLLEN (1 << 16) /* Bit 16: UTMI PLL Enable */
|
||||
#define PMC_CKGR_UCKR_UPLLCOUNT_SHIFT (20) /* Bits 20-23: UTMI PLL Start-up Time */
|
||||
#define PMC_CKGR_UCKR_UPLLCOUNT_MASK (15 << PMC_CKGR_UCKR_UPLLCOUNT_SHIFT)
|
||||
# define PMC_CKGR_UCKR_UPLLCOUNT(n) ((uint32_t)(n) << PMC_CKGR_UCKR_UPLLCOUNT_SHIFT)
|
||||
|
||||
|
||||
/* PMC Clock Generator Main Oscillator Register */
|
||||
|
||||
@ -252,6 +254,7 @@
|
||||
#define PMC_CKGR_PLLAR_COUNT_MASK (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
|
||||
#define PMC_CKGR_PLLAR_MUL_SHIFT (16) /* Bits 16-26: PLLA Multiplier */
|
||||
#define PMC_CKGR_PLLAR_MUL_MASK (0x7ff << PMC_CKGR_PLLAR_MUL_SHIFT)
|
||||
# define PMC_CKGR_PLLAR_MUL(n) ((uint32_t)(n) << PMC_CKGR_PLLAR_MUL_SHIFT)
|
||||
#define PMC_CKGR_PLLAR_ONE (1 << 29) /* Bit 29: Always one */
|
||||
|
||||
/* PMC Master Clock Register */
|
||||
|
||||
@ -52,7 +52,7 @@
|
||||
|
||||
/* SUPC register offsets ****************************************************************/
|
||||
|
||||
#define SAM_SUPC_CR_OFFSET 000x00 /* Supply Controller Control Register */
|
||||
#define SAM_SUPC_CR_OFFSET 0x0000 /* Supply Controller Control Register */
|
||||
#define SAM_SUPC_SMMR_OFFSET 0x0004 /* Supply Controller Supply Monitor Mode Register */
|
||||
#define SAM_SUPC_MR_OFFSET 0x0008 /* Supply Controller Mode Register */
|
||||
#define SAM_SUPC_WUMR_OFFSET 0x000c /* Supply Controller Wake Up Mode Register */
|
||||
@ -86,8 +86,8 @@
|
||||
# define SUPC_SMMR_SMTH_1p7V (1 << SUPC_SMMR_SMTH_SHIFT) /* 1.70 < 1.72 < 1.74 */
|
||||
# define SUPC_SMMR_SMTH_1p8V (2 << SUPC_SMMR_SMTH_SHIFT) /* 1.82 < 1.84 < 1.86 */
|
||||
# define SUPC_SMMR_SMTH_2p0V (3 << SUPC_SMMR_SMTH_SHIFT) /* 1.94 < 1.96 < 1.98 */
|
||||
# define SUPC_SMMR_SMTH_2p2V (4 << SUPC_SMMR_SMTH_SHIFT) /* 2.05 < 2.08 < 2.11 */
|
||||
# define SUPC_SMMR_SMTH_2p6V (5 << SUPC_SMMR_SMTH_SHIFT) /* 2.17 < 2.20 < 2.23 */
|
||||
# define SUPC_SMMR_SMTH_2p1V (4 << SUPC_SMMR_SMTH_SHIFT) /* 2.05 < 2.08 < 2.11 */
|
||||
# define SUPC_SMMR_SMTH_2p2V (5 << SUPC_SMMR_SMTH_SHIFT) /* 2.17 < 2.20 < 2.23 */
|
||||
# define SUPC_SMMR_SMTH_2p3V (6 << SUPC_SMMR_SMTH_SHIFT) /* 2.29 < 2.32 < 2.35 */
|
||||
# define SUPC_SMMR_SMTH_2p4V (7 << SUPC_SMMR_SMTH_SHIFT) /* 2.41 < 2.44 < 2.47 */
|
||||
# define SUPC_SMMR_SMTH_2p6V (8 << SUPC_SMMR_SMTH_SHIFT) /* 2.53 < 2.56 < 2.59 */
|
||||
|
||||
117
arch/arm/src/samv7/chip/sam_wdt.h
Normal file
117
arch/arm/src/samv7/chip/sam_wdt.h
Normal file
@ -0,0 +1,117 @@
|
||||
/****************************************************************************************
|
||||
* arch/arm/src/samv7/chip/sam_wdt.h
|
||||
* Watchdog Timer (WDT) definitions for the SAMV71
|
||||
*
|
||||
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* 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. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "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 DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
|
||||
*
|
||||
****************************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_SAMV7_CHIP_SAM_WDT_H
|
||||
#define __ARCH_ARM_SRC_SAMV7_CHIP_SAM_WDT_H
|
||||
|
||||
/****************************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include "chip.h"
|
||||
#include "chip/sam_memorymap.h"
|
||||
|
||||
/****************************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************************/
|
||||
|
||||
/* WDT register offsets *****************************************************************/
|
||||
|
||||
#define SAM_WDT_CR_OFFSET 0x00 /* Control Register */
|
||||
#define SAM_WDT_MR_OFFSET 0x04 /* Mode Register */
|
||||
#define SAM_WDT_SR_OFFSET 0x08 /* Status Register */
|
||||
|
||||
/* WDT register addresses ***************************************************************/
|
||||
|
||||
/* WDT9: Legacy Watchdog Timer */
|
||||
|
||||
#define SAM_WDT0_CR (SAM_WDT0_BASE+SAM_WDT_CR_OFFSET)
|
||||
#define SAM_WDT0_MR (SAM_WDT0_BASE+SAM_WDT_MR_OFFSET)
|
||||
#define SAM_WDT0_SR (SAM_WDT0_BASE+SAM_WDT_SR_OFFSET)
|
||||
|
||||
/* WDT1: Reinforced Safety Watchdog Timer */
|
||||
|
||||
#define SAM_WDT1_CR (SAM_WDT1_BASE+SAM_WDT_CR_OFFSET)
|
||||
#define SAM_WDT1_MR (SAM_WDT1_BASE+SAM_WDT_MR_OFFSET)
|
||||
#define SAM_WDT1_SR (SAM_WDT1_BASE+SAM_WDT_SR_OFFSET)
|
||||
|
||||
/* WDT register bit definitions *********************************************************/
|
||||
/* Watchdog Timer Control Register */
|
||||
|
||||
#define WDT_CR_WDRSTT (1 << 0) /* Bit 0: Watchdog Rest */
|
||||
#define WDT_CR_KEY_SHIFT (24) /* Bits 24-31: Password */
|
||||
#define WDT_CR_KEY_MASK (0xff << WDT_CR_KEY_SHIFT)
|
||||
# define WDT0_CR_KEY (0xa5 << WDT_CR_KEY_SHIFT)
|
||||
# define WDT1_CR_KEY (0xc4 << WDT_CR_KEY_SHIFT)
|
||||
|
||||
/* Watchdog Timer Mode Register */
|
||||
|
||||
#define WDT_MR_WDV_SHIFT (0) /* Bits 0-11: Watchdog Counter Value */
|
||||
#define WDT_MR_WDV_MAX 0xfff
|
||||
#define WDT_MR_WDV_MASK (WDT_MR_WDV_MAX << WDT_MR_WDV_SHIFT)
|
||||
# define WDT_MR_WDV(n) ((uint32_t)(n) << WDT_MR_WDV_SHIFT)
|
||||
#define WDT_MR_WDFIEN (1 << 12) /* Bit 12: Watchdog Fault Interrupt Enable */
|
||||
#define WDT_MR_WDRSTEN (1 << 13) /* Bit 13: Watchdog Reset Enable */
|
||||
#define WDT1_MR_WDRPROC (1 << 14) /* Bit 14: Watchdog Reset Processor (WDT1 only) */
|
||||
#define WDT_MR_WDDIS (1 << 15) /* Bit 15: Watchdog Disable */
|
||||
#define WDT_MR_WDD_SHIFT (16) /* Bits 16-27: Watchdog Delta Value (WDT0 only) */
|
||||
#define WDT_MR_WDD_MAX 0xfff
|
||||
#define WDT_MR_WDD_MASK (WDT_MR_WDD_MAX << WDT_MR_WDD_SHIFT)
|
||||
# define WDT0_MR_WDD(n) ((uint32_t)(n) << WDT_MR_WDD_SHIFT)
|
||||
# define WDT1_MR_WDD_ALLONES (0xfff << WDT_MR_WDD_SHIFT)
|
||||
#define WDT_MR_WDDBGHLT (1 << 28) /* Bit 28: Watchdog Debug Halt */
|
||||
#define WDT_MR_WDIDLEHLT (1 << 29) /* Bit 29: Watchdog Idle Halt */
|
||||
|
||||
/* Watchdog Timer Status Register */
|
||||
|
||||
#define WDT_SR_WDUNF (1 << 0) /* Bit 0: Watchdog Underflow */
|
||||
#define WDT0_SR_WDERR (1 << 1) /* Bit 1: Watchdog Error (WDT0 only) */
|
||||
|
||||
/****************************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************************/
|
||||
|
||||
/****************************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************************/
|
||||
|
||||
/****************************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************************/
|
||||
|
||||
#endif /* __ARCH_ARM_SRC_SAMV7_CHIP_SAM_WDT_H */
|
||||
@ -128,14 +128,14 @@
|
||||
#define SAM_UART0_BASE 0x400e0800 /* 0x400e0800-0x400e093f: UART 0 */
|
||||
#define SAM_CHIPID_BASE 0x400e0940 /* 0x400e0940-0x400e09ff: CHIP ID */
|
||||
#define SAM_UART1_BASE 0x400e0a00 /* 0x400e0a00-0x400e0bff: UART 1 */
|
||||
#define SAM_EFC_BASE 0x400e0c00 /* 0x400e0c00-0x400e0dff: Embedded Flash Controller (EFC) */
|
||||
#define SAM_EEFC_BASE 0x400e0c00 /* 0x400e0c00-0x400e0dff: Embedded Flash Controller (EEFC) */
|
||||
#define SAM_PIO_BASE 0x400e0e00 /* 0x400e0e00-0x400e13ff: Parallel I/O Controllers */
|
||||
# define SAM_PION_BASE(n) (0x400e0e00 + ((n) << 9))
|
||||
# define SAM_PIOA_BASE 0x400e0e00 /* 0x400e0e00-0x400e0fff: Parallel I/O Controller A */
|
||||
# define SAM_PIOB_BASE 0x400e1000 /* 0x400e1000-0x400e11ff: Parallel I/O Controller B */
|
||||
# define SAM_PIOC_BASE 0x400e1200 /* 0x400e1200-0x400e13ff: Parallel I/O Controller C */
|
||||
# define SAM_PIOD_BASE 0x400e1400 /* 0x400e1400-0x400e15ff: Parallel I/O Controller C */
|
||||
# define SAM_PIOE_BASE 0x400e1600 /* 0x400e1600-0x400e17ff: Parallel I/O Controller C */
|
||||
# define SAM_PIOD_BASE 0x400e1400 /* 0x400e1400-0x400e15ff: Parallel I/O Controller D */
|
||||
# define SAM_PIOE_BASE 0x400e1600 /* 0x400e1600-0x400e17ff: Parallel I/O Controller E */
|
||||
#define SAM_SYSCTRLR_BASE 0x400e0000 /* 0x400e0000-0x400e1bff: System Controller */
|
||||
# define SAM_RSTC_BASE 0x400e1800 /* 0x400e1800-0x400e180f: Reset Controller (RSTC) */
|
||||
# define SAM_SUPC_BASE 0x400e1810 /* 0x400e1810-0x400e182f: Supply Controller (SUPC) */
|
||||
@ -144,7 +144,7 @@
|
||||
# define SAM_RTC_BASE 0x400e1860 /* 0x400e1860-0x400e188f: Real Time Clock (RTC) */
|
||||
# define SAM_GPBR_BASE 0x400e1890 /* 0x400e1890-0x400e18ff: GPBR */
|
||||
# define SAM_SYSC_BASE 0x400e18e0 /* 0x400e1890-0x400e18ff: System Controller Common */
|
||||
# define SAM_WDT1_BASE 0x400e1900 /* 0x400e1850-0x400e19ff: Watchdog Timer 1 (WDT1) */
|
||||
# define SAM_WDT1_BASE 0x400e1900 /* 0x400e1900-0x400e19ff: Watchdog Timer 1 (WDT1) */
|
||||
#define SAM_UART2_BASE 0x400e1a00 /* 0x400e1a00-0x400e1bff: UART 2 */
|
||||
#define SAM_UART3_BASE 0x400e1c00 /* 0x400e1c00-0x400e1dff: UART 3 */
|
||||
#define SAM_UART4_BASE 0x400e1e00 /* 0x400e1e00-0x400e1fff: UART 4 */
|
||||
|
||||
342
arch/arm/src/samv7/sam_clockconfig.c
Normal file
342
arch/arm/src/samv7/sam_clockconfig.c
Normal file
@ -0,0 +1,342 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/samv7/sam_clockconfig.c
|
||||
*
|
||||
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* 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. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "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 DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include <nuttx/arch.h>
|
||||
#include <arch/board/board.h>
|
||||
|
||||
#include "up_arch.h"
|
||||
#include "up_internal.h"
|
||||
|
||||
#include "sam_clockconfig.h"
|
||||
#include "chip/sam_pmc.h"
|
||||
#include "chip/sam_eefc.h"
|
||||
#include "chip/sam_wdt.h"
|
||||
#include "chip/sam_supc.h"
|
||||
#include "chip/sam_matrix.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* PMC register settings based on the board configuration values defined
|
||||
* in board.h
|
||||
*/
|
||||
|
||||
#define BOARD_CKGR_MOR (PMC_CKGR_MOR_MOSCXTEN | PMC_CKGR_MOR_MOSCRCEN | \
|
||||
BOARD_CKGR_MOR_MOSCXTST | PMC_CKGR_MOR_KEY)
|
||||
#define BOARD_CKGR_PLLAR (BOARD_CKGR_PLLAR_DIV | BOARD_CKGR_PLLAR_COUNT | \
|
||||
BOARD_CKGR_PLLAR_MUL | PMC_CKGR_PLLAR_ONE)
|
||||
|
||||
#define BOARD_PMC_MCKR_FAST (PMC_MCKR_CSS_MAIN | BOARD_PMC_MCKR_PRES | \
|
||||
BOARD_PMC_MCKR_MDIV | BOARD_PMC_MCKR_UPLLDIV2)
|
||||
#define BOARD_PMC_MCKR (BOARD_PMC_MCKR_CSS | BOARD_PMC_MCKR_PRES | \
|
||||
BOARD_PMC_MCKR_MDIV | BOARD_PMC_MCKR_UPLLDIV2)
|
||||
#define BOARD_CKGR_UCKR (BOARD_CKGR_UCKR_UPLLCOUNT | PMC_CKGR_UCKR_UPLLEN)
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam_efcsetup
|
||||
*
|
||||
* Description:
|
||||
* Configure wait states for embedded flash access
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static inline void sam_efcsetup(void)
|
||||
{
|
||||
uint32_t regval = EEFC_FMR_FWS(BOARD_FWS) | EEFC_FMR_CLOE;
|
||||
putreg32(regval, SAM_EEFC_FMR);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam_wdtsetup
|
||||
*
|
||||
* Description:
|
||||
* Disable the watchdog timer
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static inline void sam_wdtsetup(void)
|
||||
{
|
||||
#if !defined(CONFIG_SAMV7_WDT0) || \
|
||||
(defined(CONFIG_WDT0_ENABLED_ON_RESET) && defined(CONFIG_WDT0_DISABLE_ON_RESET))
|
||||
putreg32(WDT_MR_WDDIS, SAM_WDT0_MR);
|
||||
#endif
|
||||
|
||||
#if !defined(CONFIG_SAMV7_WDT1) || \
|
||||
(defined(CONFIG_WDT1_ENABLED_ON_RESET) && defined(CONFIG_WDT1_DISABLE_ON_RESET))
|
||||
putreg32(WDT_MR_WDDIS, SAM_WDT1_MR);
|
||||
#endif
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam_supcsetup
|
||||
*
|
||||
* Description:
|
||||
* Select the external slow clock
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static inline void sam_supcsetup(void)
|
||||
{
|
||||
/* Check if the 32-kHz is already selected */
|
||||
|
||||
if ((getreg32(SAM_SUPC_SR) & SUPC_SR_OSCSEL) == 0)
|
||||
{
|
||||
uint32_t delay;
|
||||
|
||||
putreg32((SUPC_CR_XTALSEL|SUPR_CR_KEY), SAM_SUPC_CR);
|
||||
for (delay = 0;
|
||||
(getreg32(SAM_SUPC_SR) & SUPC_SR_OSCSEL) == 0 && delay < UINT32_MAX;
|
||||
delay++);
|
||||
}
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam_pmcwait
|
||||
*
|
||||
* Description:
|
||||
* Wait for the specified PMC status bit to become "1"
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void sam_pmcwait(uint32_t bit)
|
||||
{
|
||||
volatile uint32_t delay;
|
||||
|
||||
for (delay = 0;
|
||||
(getreg32(SAM_PMC_SR) & bit) == 0 && delay < UINT32_MAX;
|
||||
delay++);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam_pmcsetup
|
||||
*
|
||||
* Description:
|
||||
* Initialize clocking
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static inline void sam_pmcsetup(void)
|
||||
{
|
||||
uint32_t regval;
|
||||
|
||||
/* Enable main oscillator (if it has not already been selected) */
|
||||
|
||||
if ((getreg32(SAM_PMC_CKGR_MOR) & PMC_CKGR_MOR_MOSCSEL) == 0)
|
||||
{
|
||||
/* "When the MOSCXTEN bit and the MOSCXTCNT are written in CKGR_MOR to
|
||||
* enable the main oscillator, the MOSCXTS bit in the Power Management
|
||||
* Controller Status Register (PMC_SR) is cleared and the counter starts
|
||||
* counting down on the slow clock divided by 8 from the MOSCXTCNT
|
||||
* value. ... When the counter reaches 0, the MOSCXTS bit is set,
|
||||
* indicating that the main clock is valid."
|
||||
*/
|
||||
|
||||
putreg32(BOARD_CKGR_MOR, SAM_PMC_CKGR_MOR);
|
||||
sam_pmcwait(PMC_INT_MOSCXTS);
|
||||
}
|
||||
|
||||
/* "Switch to the main oscillator. The selection is made by writing the
|
||||
* MOSCSEL bit in the Main Oscillator Register (CKGR_MOR). The switch of
|
||||
* the Main Clock source is glitch free, so there is no need to run out
|
||||
* of SLCK, PLLACK or UPLLCK in order to change the selection. The MOSCSELS
|
||||
* bit of the power Management Controller Status Register (PMC_SR) allows
|
||||
* knowing when the switch sequence is done."
|
||||
*
|
||||
* MOSCSELS: Main Oscillator Selection Status
|
||||
* 0 = Selection is done
|
||||
* 1 = Selection is in progress
|
||||
*/
|
||||
|
||||
putreg32((BOARD_CKGR_MOR | PMC_CKGR_MOR_MOSCSEL), SAM_PMC_CKGR_MOR);
|
||||
sam_pmcwait(PMC_INT_MOSCSELS);
|
||||
|
||||
/* "Select the master clock. "The Master Clock selection is made by writing
|
||||
* the CSS field (Clock Source Selection) in PMC_MCKR (Master Clock Register).
|
||||
* The prescaler supports the division by a power of 2 of the selected clock
|
||||
* between 1 and 64, and the division by 3. The PRES field in PMC_MCKR programs
|
||||
* the prescaler. Each time PMC_MCKR is written to define a new Master Clock,
|
||||
* the MCKRDY bit is cleared in PMC_SR. It reads 0 until the Master Clock is
|
||||
* established.
|
||||
*/
|
||||
|
||||
regval = getreg32(SAM_PMC_MCKR);
|
||||
regval &= ~PMC_MCKR_CSS_MASK;
|
||||
regval |= PMC_MCKR_CSS_MAIN;
|
||||
putreg32(regval, SAM_PMC_MCKR);
|
||||
sam_pmcwait(PMC_INT_MCKRDY);
|
||||
|
||||
/* Setup PLLA and wait for LOCKA */
|
||||
|
||||
putreg32(BOARD_CKGR_PLLAR, SAM_PMC_CKGR_PLLAR);
|
||||
sam_pmcwait(PMC_INT_LOCKA);
|
||||
|
||||
#ifdef CONFIG_USBDEV
|
||||
/* Setup UTMI for USB and wait for LOCKU */
|
||||
|
||||
regval = getreg32(SAM_PMC_CKGR_UCKR);
|
||||
regval |= BOARD_CKGR_UCKR;
|
||||
putreg32(regval, SAM_PMC_CKGR_UCKR);
|
||||
sam_pmcwait(PMC_INT_LOCKU);
|
||||
#endif
|
||||
|
||||
/* Switch to the fast clock and wait for MCKRDY */
|
||||
|
||||
putreg32(BOARD_PMC_MCKR_FAST, SAM_PMC_MCKR);
|
||||
sam_pmcwait(PMC_INT_MCKRDY);
|
||||
|
||||
putreg32(BOARD_PMC_MCKR, SAM_PMC_MCKR);
|
||||
sam_pmcwait(PMC_INT_MCKRDY);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam_enabledefaultmaster and sam_disabledefaultmaster
|
||||
*
|
||||
* Description:
|
||||
* Enable/disable default master access
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static inline void sam_enabledefaultmaster(void)
|
||||
{
|
||||
#warning REVISIT
|
||||
#if 0 /* REVISIT -- this is stuff left over from SAM3/4 */
|
||||
uint32_t regval;
|
||||
|
||||
/* Set default master: SRAM0 -> Cortex-M7 System */
|
||||
|
||||
regval = getreg32(SAM_MATRIX_SCFG0);
|
||||
regval |= (MATRIX_SCFG0_FIXEDDEFMSTR_ARMS|MATRIX_SCFG_DEFMSTRTYPE_FIXED);
|
||||
putreg32(regval, SAM_MATRIX_SCFG0);
|
||||
|
||||
/* Set default master: SRAM1 -> Cortex-M7 System */
|
||||
|
||||
regval = getreg32(SAM_MATRIX_SCFG1);
|
||||
regval |= (MATRIX_SCFG1_FIXEDDEFMSTR_ARMS|MATRIX_SCFG_DEFMSTRTYPE_FIXED);
|
||||
putreg32(regval, SAM_MATRIX_SCFG1);
|
||||
|
||||
/* Set default master: Internal flash0 -> Cortex-M7 Instruction/Data */
|
||||
|
||||
regval = getreg32(SAM_MATRIX_SCFG3);
|
||||
regval |= (MATRIX_SCFG3_FIXEDDEFMSTR_ARMC|MATRIX_SCFG_DEFMSTRTYPE_FIXED);
|
||||
putreg32(regval, SAM_MATRIX_SCFG3);
|
||||
#endif
|
||||
}
|
||||
|
||||
#if 0 /* Not used -- this is stuff left over from SAM3/4 */
|
||||
static inline void sam_disabledefaultmaster(void)
|
||||
{
|
||||
uint32_t regval;
|
||||
|
||||
/* Clear default master: SRAM0 -> Cortex-M7 System */
|
||||
|
||||
regval = getreg32(SAM_MATRIX_SCFG0);
|
||||
regval &= ~MATRIX_SCFG_DEFMSTRTYPE_MASK;
|
||||
putreg32(regval, SAM_MATRIX_SCFG0);
|
||||
|
||||
/* Clear default master: SRAM1 -> Cortex-M7 System */
|
||||
|
||||
regval = getreg32(SAM_MATRIX_SCFG1);
|
||||
regval &= ~MATRIX_SCFG_DEFMSTRTYPE_MASK;
|
||||
putreg32(regval, SAM_MATRIX_SCFG1);
|
||||
|
||||
/* Clear default master: Internal flash0 -> Cortex-M7 Instruction/Data */
|
||||
|
||||
regval = getreg32(SAM_MATRIX_SCFG3);
|
||||
regval &= ~MATRIX_SCFG_DEFMSTRTYPE_MASK;
|
||||
putreg32(regval, SAM_MATRIX_SCFG3);
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam_clockconfig
|
||||
*
|
||||
* Description:
|
||||
* Called to initialize the SAM3/4. This does whatever setup is needed
|
||||
* to put the SoC in a usable state. This includes the initialization of
|
||||
* clocking using the settings in board.h. (After power-on reset, the
|
||||
* SAMV7 is initially running on a 4MHz internal RC clock). This function
|
||||
* also performs other low-level chip initialization of the chip including
|
||||
* EFC, master clock, IRQ & watchdog configuration.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void sam_clockconfig(void)
|
||||
{
|
||||
/* Configure embedded flash access */
|
||||
|
||||
sam_efcsetup();
|
||||
|
||||
/* Configure the watchdog timer */
|
||||
|
||||
sam_wdtsetup();
|
||||
|
||||
/* Setup the supply controller to use the external slow clock */
|
||||
|
||||
sam_supcsetup();
|
||||
|
||||
/* Initialize clocking */
|
||||
|
||||
sam_pmcsetup();
|
||||
|
||||
/* Optimize CPU setting for speed */
|
||||
|
||||
sam_enabledefaultmaster();
|
||||
}
|
||||
@ -324,6 +324,9 @@ void __start(void)
|
||||
sam_lowsetup();
|
||||
showprogress('A');
|
||||
|
||||
/* Enable I- and D-Caches */
|
||||
#warning Missing Logic
|
||||
|
||||
/* Perform early serial initialization */
|
||||
|
||||
#ifdef USE_EARLYSERIALINIT
|
||||
|
||||
148
arch/arm/src/samv7/sam_timerisr.c
Normal file
148
arch/arm/src/samv7/sam_timerisr.c
Normal file
@ -0,0 +1,148 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/samv7/sam_timerisr.c
|
||||
*
|
||||
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* 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. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "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 DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <time.h>
|
||||
#include <debug.h>
|
||||
#include <nuttx/arch.h>
|
||||
#include <arch/board/board.h>
|
||||
|
||||
#include "nvic.h"
|
||||
#include "clock/clock.h"
|
||||
#include "up_internal.h"
|
||||
#include "up_arch.h"
|
||||
|
||||
#include "chip.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* Select MCU-specific settings
|
||||
*
|
||||
* The SysTick timer is driven by the output of the Mast Clock Controller
|
||||
* prescaler output (i.e., the MDIV output divider is not applied so that
|
||||
* the driving frequency is the same as the CPU frequency).
|
||||
*
|
||||
* The SysTick calibration value is fixed to 37500 which allows the generation
|
||||
* of a time base of 1 ms with SysTick clock to the maximum frequency on
|
||||
* MCK divided by 8. (?)
|
||||
*/
|
||||
|
||||
#define SAM_SYSTICK_CLOCK BOARD_CPU_FREQUENCY
|
||||
|
||||
/* The desired timer interrupt frequency is provided by the definition
|
||||
* CLK_TCK (see include/time.h). CLK_TCK defines the desired number of
|
||||
* system clock ticks per second. That value is a user configurable setting
|
||||
* that defaults to 100 (100 ticks per second = 10 MS interval).
|
||||
*/
|
||||
|
||||
#define SYSTICK_RELOAD ((SAM_SYSTICK_CLOCK / CLK_TCK) - 1)
|
||||
|
||||
/* The size of the reload field is 24 bits. Verify that the reload value
|
||||
* will fit in the reload register.
|
||||
*/
|
||||
|
||||
#if SYSTICK_RELOAD > 0x00ffffff
|
||||
# error SYSTICK_RELOAD exceeds the range of the RELOAD register
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Global Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Function: up_timerisr
|
||||
*
|
||||
* Description:
|
||||
* The timer ISR will perform a variety of services for various portions
|
||||
* of the systems.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int up_timerisr(int irq, uint32_t *regs)
|
||||
{
|
||||
/* Process timer interrupt */
|
||||
|
||||
sched_process_timer();
|
||||
return 0;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Function: up_timer_initialize
|
||||
*
|
||||
* Description:
|
||||
* This function is called during start-up to initialize the timer
|
||||
* interrupt.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void up_timer_initialize(void)
|
||||
{
|
||||
uint32_t regval;
|
||||
|
||||
/* Configure SysTick to interrupt at the requested rate */
|
||||
|
||||
putreg32(SYSTICK_RELOAD, NVIC_SYSTICK_RELOAD);
|
||||
putreg32(0, NVIC_SYSTICK_CURRENT);
|
||||
|
||||
/* Attach the timer interrupt vector */
|
||||
|
||||
(void)irq_attach(SAM_IRQ_SYSTICK, (xcpt_t)up_timerisr);
|
||||
|
||||
/* Enable SysTick interrupts (no divide-by-8) */
|
||||
|
||||
regval = (NVIC_SYSTICK_CTRL_CLKSOURCE | NVIC_SYSTICK_CTRL_TICKINT |
|
||||
NVIC_SYSTICK_CTRL_ENABLE);
|
||||
putreg32(regval, NVIC_SYSTICK_CTRL);
|
||||
|
||||
/* And enable the timer interrupt */
|
||||
|
||||
up_enable_irq(SAM_IRQ_SYSTICK);
|
||||
}
|
||||
@ -51,7 +51,7 @@
|
||||
#endif
|
||||
|
||||
/************************************************************************************
|
||||
* Definitions
|
||||
* Pre-processor Definitions
|
||||
************************************************************************************/
|
||||
|
||||
/* Clocking *************************************************************************/
|
||||
@ -82,7 +82,7 @@
|
||||
/* PLLA configuration.
|
||||
*
|
||||
* Divider = 1
|
||||
* Multipler = 16 or 20
|
||||
* Multiplier = 16 or 20
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_SAM4EEK_120MHZ
|
||||
@ -177,7 +177,7 @@
|
||||
|
||||
/* FLASH wait states.
|
||||
*
|
||||
* SAM4E-EK documetion says:
|
||||
* SAM4E-EK documentation says:
|
||||
* VDDCORE: "The voltage ranges from 1.08V to 1.32V."
|
||||
* VDDIO: Looks like it is at 3.3V
|
||||
*
|
||||
@ -274,7 +274,8 @@
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C" {
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
@ -311,10 +312,10 @@ void sam_setleds(uint8_t ledset);
|
||||
#endif
|
||||
|
||||
/************************************************************************************
|
||||
* Name: stm32_lcdclear
|
||||
* Name: sam_lcdclear
|
||||
*
|
||||
* Description:
|
||||
* This is a non-standard LCD interface just for the Shenzhou board. Because
|
||||
* This is a non-standard LCD interface just for the SAM4e-EK board. Because
|
||||
* of the various rotations, clearing the display in the normal way by writing a
|
||||
* sequences of runs that covers the entire display can be very slow. Here the
|
||||
* display is cleared by simply setting all GRAM memory to the specified color.
|
||||
|
||||
@ -45,6 +45,129 @@
|
||||
/************************************************************************************
|
||||
* Pre-processor Definitions
|
||||
************************************************************************************/
|
||||
/* Clocking *************************************************************************/
|
||||
/* After power-on reset, the SAMV71Q device is running out of the Master Clock using
|
||||
* the Fast RC Oscillator running at 4 MHz.
|
||||
*
|
||||
* MAINOSC: Frequency = 12MHz (crystal)
|
||||
*
|
||||
* 300MHz Settings:
|
||||
* PLLA: PLL Divider = 1, Multiplier = 20 to generate PLLACK = 240MHz
|
||||
* Master Clock (MCK): Source = PLLACK, Prescalar = 1 to generate MCK = 120MHz
|
||||
* CPU clock: 120MHz
|
||||
*
|
||||
*/
|
||||
|
||||
/* Main oscillator register settings.
|
||||
*
|
||||
* The main oscillator could be either the embedded 4/8/12 MHz fast RC oscillators
|
||||
* or an external 3-20 MHz crystal or ceramic resonator. The external clock source
|
||||
* is selected by default in sam_clockconfig.c. Here we need to specify the main
|
||||
* oscillator start-up time.
|
||||
*
|
||||
* REVISIT... this is old information:
|
||||
* The start up time should be should be:
|
||||
*
|
||||
* Start Up Time = 8 * MOSCXTST / SLCK = 56 Slow Clock Cycles.
|
||||
*/
|
||||
|
||||
#define BOARD_CKGR_MOR_MOSCXTST (62 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
|
||||
|
||||
/* PLLA configuration.
|
||||
*
|
||||
* Divider = 1
|
||||
* Multiplier = 25
|
||||
*
|
||||
* Yields:
|
||||
*
|
||||
* PLLACK = 25 * 12MHz / 1 = 300MHz
|
||||
*/
|
||||
|
||||
#define BOARD_CKGR_PLLAR_STMODE PMC_CKGR_PLLAR_STMODE_FAST
|
||||
#define BOARD_CKGR_PLLAR_COUNT (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
|
||||
#define BOARD_CKGR_PLLAR_MUL PMC_CKGR_PLLAR_MUL(25)
|
||||
#define BOARD_CKGR_PLLAR_DIV PMC_CKGR_PLLAR_DIV_BYPASS
|
||||
|
||||
/* PMC master clock register settings.
|
||||
*
|
||||
* BOARD_PMC_MCKR_CSS - The source of main clock input. This may be one of:
|
||||
*
|
||||
* PMC_MCKR_CSS_SLOW Slow Clock
|
||||
* PMC_MCKR_CSS_MAIN Main Clock
|
||||
* PMC_MCKR_CSS_PLLA PLLA Clock
|
||||
* MC_MCKR_CSS_UPLL Divided UPLL Clock
|
||||
*
|
||||
* BOARD_PMC_MCKR_PRES - Source clock pre-scaler. May be one of:
|
||||
*
|
||||
* PMC_MCKR_PRES_DIV1 Selected clock
|
||||
* PMC_MCKR_PRES_DIV2 Selected clock divided by 2
|
||||
* PMC_MCKR_PRES_DIV4 Selected clock divided by 4
|
||||
* PMC_MCKR_PRES_DIV8 Selected clock divided by 8
|
||||
* PMC_MCKR_PRES_DIV16 Selected clock divided by 16
|
||||
* MC_MCKR_PRES_DIV32 Selected clock divided by 32
|
||||
* PMC_MCKR_PRES_DIV64 Selected clock divided by 64
|
||||
* PMC_MCKR_PRES_DIV3 Selected clock divided by 3
|
||||
*
|
||||
* The prescaler determines (1) the CPU clock and (2) the input into the
|
||||
* second divider that then generates the Master Clock (MCK). MCK is the
|
||||
* source clock of the peripheral clocks.
|
||||
*
|
||||
* BOARD_PMC_MCKR_MDIV - MCK divider. May be one of:
|
||||
*
|
||||
* PMC_MCKR_MDIV_DIV1 Master Clock is Prescaler Output Clock / 1
|
||||
* PMC_MCKR_MDIV_DIV2 Master Clock = Prescaler Output Clock / 2
|
||||
* PMC_MCKR_MDIV_DIV4 Master Clock = Prescaler Output Clock / 4
|
||||
* PMC_MCKR_MDIV_DIV3 Master Clock = Prescaler Output Clock / 3
|
||||
*/
|
||||
|
||||
#define BOARD_PMC_MCKR_CSS PMC_MCKR_CSS_PLLA /* Source = PLLA */
|
||||
#define BOARD_PMC_MCKR_PRES PMC_MCKR_PRES_DIV1 /* Prescaler = /1 */
|
||||
#define BOARD_PMC_MCKR_MDIV PMC_MCKR_MDIV_DIV2 /* MCK divider = /2 */
|
||||
|
||||
/* USB clocking
|
||||
* To be provided
|
||||
*/
|
||||
|
||||
#define BOARD_PMC_MCKR_UPLLDIV2 0 /* UPLL clock not divided by 2 */
|
||||
|
||||
/* Resulting frequencies */
|
||||
|
||||
#define BOARD_MAINOSC_FREQUENCY (12000000) /* MAINOSC: 12MHz crystal on-board */
|
||||
#define BOARD_PLLA_FREQUENCY (300000000) /* PLLACK: 25 * 12Mhz / 1 */
|
||||
#define BOARD_CPU_FREQUENCY (300000000) /* CPU: PLLACK / 1 */
|
||||
#define BOARD_MCK_FREQUENCY (150000000) /* MCK: PLLACK / 1 / 2 */
|
||||
|
||||
/* HSMCI clocking
|
||||
*
|
||||
* Multimedia Card Interface clock (MCCK or MCI_CK) is Master Clock (MCK)
|
||||
* divided by (2*(CLKDIV+1)).
|
||||
*
|
||||
* MCI_SPEED = MCK / (2*(CLKDIV+1))
|
||||
* CLKDIV = MCK / MCI_SPEED / 2 - 1
|
||||
*
|
||||
* Where CLKDIV has a range of 0-255.
|
||||
*/
|
||||
|
||||
/* FLASH wait states.
|
||||
*
|
||||
* Wait states Max frequency at 105 centigrade (STH conditions)
|
||||
*
|
||||
* VDDIO
|
||||
* 1.62V 2.7V
|
||||
* --- ------- -------
|
||||
* 0 26 MHz 30 MHz
|
||||
* 1 52 MHz 62 MHz
|
||||
* 2 78 MHz 93 MHz
|
||||
* 3 104 MHz 124 MHz
|
||||
* 4 131 MHz 150 MHz
|
||||
* 5 150 MHz --- MHz
|
||||
*/
|
||||
|
||||
#define BOARD_FWS 5
|
||||
|
||||
/* LED definitions ******************************************************************/
|
||||
|
||||
/* Button definitions ***************************************************************/
|
||||
|
||||
/************************************************************************************
|
||||
* Public Types
|
||||
@ -54,8 +177,58 @@
|
||||
* Public Data
|
||||
************************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/************************************************************************************
|
||||
* Public Functions
|
||||
************************************************************************************/
|
||||
|
||||
/************************************************************************************
|
||||
* Name: sam_ledinit, sam_setled, and sam_setleds
|
||||
*
|
||||
* Description:
|
||||
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If
|
||||
* CONFIG_ARCH_LEDS is not defined, then the following interfacesare available to
|
||||
* control the LEDs from user applications.
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
#ifndef CONFIG_ARCH_LEDS
|
||||
void sam_ledinit(void);
|
||||
void sam_setled(int led, bool ledon);
|
||||
void sam_setleds(uint8_t ledset);
|
||||
#endif
|
||||
|
||||
/************************************************************************************
|
||||
* Name: sam_lcdclear
|
||||
*
|
||||
* Description:
|
||||
* This is a non-standard LCD interface just for the SAM4e-EK board. Because
|
||||
* of the various rotations, clearing the display in the normal way by writing a
|
||||
* sequences of runs that covers the entire display can be very slow. Here the
|
||||
* display is cleared by simply setting all GRAM memory to the specified color.
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
#if defined(CONFIG_SAM4EEK_LCD_RGB565)
|
||||
void sam_lcdclear(uint16_t color);
|
||||
#else /* if defined(CONFIG_SAM4EEK_LCD_RGB24) defined(CONFIG_SAM4EEK_LCD_RGB32) */
|
||||
void sam_lcdclear(uint32_t color);
|
||||
#endif
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __CONFIGS_SAMV71_XULT_INCLUDE_BOARD_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user