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Qorvo pac55xx: initial support

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Qorvo (Nee Active Semi) PAC55xx "Intelligent Motor Control" parts,
cortex-m4 SoCs
This commit is contained in:
Brian Viele
2019-11-26 14:18:37 -05:00
committed by Karl Palsson
parent bcfdcc09ac
commit dd18b9fdbc
12 changed files with 135 additions and 2 deletions
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41
lib/pac55xx/Makefile Normal file
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##
## This file is part of the libopencm3 project.
##
## Copyright (C) 2019 Brian Viele <vielster@allocor.tech>
##
## This library is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with this library. If not, see <http://www.gnu.org/licenses/>.
##
## The PAC55xx by Qorvo (formerly ActiveSemi) is a Cortex-M4F based device
## which is specialized for motor control and PSC applications.
LIBNAME = libopencm3_pac55xx
SRCLIBDIR ?= ..
FP_FLAGS ?= -mfloat-abi=hard -mfpu=fpv4-sp-d16
CC = $(PREFIX)gcc
AR = $(PREFIX)ar
TGT_CFLAGS = -Os \
-Wall -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-I../../include -fno-common \
-mcpu=cortex-m4 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DPAC55XX
TGT_CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(STANDARD_FLAGS)
ARFLAGS = rcs
VPATH += ../cm3
include ../Makefile.include

25
lib/pac55xx/vector_chipset.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2019 Brian Viele <vielster@allocor.tech>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Standard Cortex-M4F initialization of FPU. */
static void pre_main(void)
{
/* Enable FPU */
SCB_CPACR |= SCB_CPACR_FULL * (SCB_CPACR_CP10 | SCB_CPACR_CP11);
}