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https://github.com/ARM-software/arm-trusted-firmware.git
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97043ac98e
Reduce the number of header files included from other header files as much as possible without splitting the files. Use forward declarations where possible. This allows removal of some unnecessary "#ifndef __ASSEMBLY__" statements. Also, review the .c and .S files for which header files really need including and reorder the #include statements alphabetically. Fixes ARM-software/tf-issues#31 Change-Id: Iec92fb976334c77453e010b60bcf56f3be72bd3e
106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
/*
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* Copyright (c) 2013-2014, ARM Limited and Contributors. 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 are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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#include <bakery_lock.h>
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#include <mmio.h>
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#include "fvp_pwrc.h"
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/*
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* TODO: Someday there will be a generic power controller api. At the moment
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* each platform has its own pwrc so just exporting functions is fine.
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*/
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static bakery_lock_t pwrc_lock __attribute__ ((section("tzfw_coherent_mem")));
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unsigned int fvp_pwrc_get_cpu_wkr(unsigned long mpidr)
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{
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unsigned int rc = 0;
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bakery_lock_get(mpidr, &pwrc_lock);
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mmio_write_32(PWRC_BASE + PSYSR_OFF, (unsigned int) mpidr);
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rc = PSYSR_WK(mmio_read_32(PWRC_BASE + PSYSR_OFF));
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bakery_lock_release(mpidr, &pwrc_lock);
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return rc;
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}
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unsigned int fvp_pwrc_read_psysr(unsigned long mpidr)
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{
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unsigned int rc = 0;
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bakery_lock_get(mpidr, &pwrc_lock);
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mmio_write_32(PWRC_BASE + PSYSR_OFF, (unsigned int) mpidr);
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rc = mmio_read_32(PWRC_BASE + PSYSR_OFF);
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bakery_lock_release(mpidr, &pwrc_lock);
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return rc;
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}
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void fvp_pwrc_write_pponr(unsigned long mpidr)
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{
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bakery_lock_get(mpidr, &pwrc_lock);
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mmio_write_32(PWRC_BASE + PPONR_OFF, (unsigned int) mpidr);
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bakery_lock_release(mpidr, &pwrc_lock);
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}
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void fvp_pwrc_write_ppoffr(unsigned long mpidr)
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{
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bakery_lock_get(mpidr, &pwrc_lock);
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mmio_write_32(PWRC_BASE + PPOFFR_OFF, (unsigned int) mpidr);
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bakery_lock_release(mpidr, &pwrc_lock);
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}
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void fvp_pwrc_set_wen(unsigned long mpidr)
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{
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bakery_lock_get(mpidr, &pwrc_lock);
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mmio_write_32(PWRC_BASE + PWKUPR_OFF,
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(unsigned int) (PWKUPR_WEN | mpidr));
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bakery_lock_release(mpidr, &pwrc_lock);
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}
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void fvp_pwrc_clr_wen(unsigned long mpidr)
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{
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bakery_lock_get(mpidr, &pwrc_lock);
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mmio_write_32(PWRC_BASE + PWKUPR_OFF,
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(unsigned int) mpidr);
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bakery_lock_release(mpidr, &pwrc_lock);
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}
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void fvp_pwrc_write_pcoffr(unsigned long mpidr)
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{
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bakery_lock_get(mpidr, &pwrc_lock);
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mmio_write_32(PWRC_BASE + PCOFFR_OFF, (unsigned int) mpidr);
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bakery_lock_release(mpidr, &pwrc_lock);
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}
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/* Nothing else to do here apart from initializing the lock */
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int fvp_pwrc_setup(void)
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{
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bakery_lock_init(&pwrc_lock);
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return 0;
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}
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