pmu_sram.h

/* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 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.
 *
 * 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 HOLDER 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 __PMU_SRAM_H__
#define __PMU_SRAM_H__

/*****************************************************************************
 * define data offset in struct psram_data
 *****************************************************************************/
#define PSRAM_DT_SP		0x0
#define PSRAM_DT_DDR_FUNC	0x8
#define PSRAM_DT_DDR_DATA	0x10
#define PSRAM_DT_DDRFLAG	0x18
#define PSRAM_DT_MPIDR		0x1c
#define PSRAM_DT_END		0x20
/******************************************************************************
 * Allocate data region for struct psram_data_t in pmusram
 ******************************************************************************/
/* Needed aligned 16 bytes for sp stack top */
#define PSRAM_DT_SIZE		(((PSRAM_DT_END + 16) / 16) * 16)
#define PSRAM_DT_BASE		((PMUSRAM_BASE + PMUSRAM_RSIZE) - PSRAM_DT_SIZE)
#define PSRAM_SP_TOP		PSRAM_DT_BASE

#ifndef __ASSEMBLY__

/*
 * The struct is used in pmu_cpus_on.S which
 * gets the data of the struct by the following index
 * #define PSRAM_DT_SP		0x0
 * #define PSRAM_DT_DDR_FUNC	0x8
 * #define PSRAM_DT_DDR_DATA	0x10
 * #define PSRAM_DT_DDRFLAG	0x18
 * #define PSRAM_DT_SYS_MODE	0x1c
 * #define PSRAM_DT_MPIDR	0x20
 */
struct psram_data_t {
	uint64_t sp;
	uint64_t ddr_func;
	uint64_t ddr_data;
	uint32_t ddr_flag;
	uint32_t boot_mpidr;
};

CASSERT(sizeof(struct psram_data_t) <= PSRAM_DT_SIZE,
	assert_psram_dt_size_mismatch);
CASSERT(__builtin_offsetof(struct psram_data_t, sp) == PSRAM_DT_SP,
	assert_psram_dt_sp_offset_mistmatch);
CASSERT(__builtin_offsetof(struct psram_data_t, ddr_func) == PSRAM_DT_DDR_FUNC,
	assert_psram_dt_ddr_func_offset_mistmatch);
CASSERT(__builtin_offsetof(struct psram_data_t, ddr_data) == PSRAM_DT_DDR_DATA,
	assert_psram_dt_ddr_data_offset_mistmatch);
CASSERT(__builtin_offsetof(struct psram_data_t, ddr_flag) == PSRAM_DT_DDRFLAG,
	assert_psram_dt_ddr_flag_offset_mistmatch);
CASSERT(__builtin_offsetof(struct psram_data_t, boot_mpidr) == PSRAM_DT_MPIDR,
	assert_psram_dt_mpidr_offset_mistmatch);
void u32_align_cpy(uint32_t *dst, const uint32_t *src, size_t bytes);
#endif  /* __ASSEMBLY__ */

#endif