u-boot-brain/board/Marvell/octeontx2/smc.c

// SPDX-License-Identifier:    GPL-2.0
/*
 * Copyright (C) 2018 Marvell International Ltd.
 *
 * https://spdx.org/licenses
 */

#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/psci.h>
#include <asm/ptrace.h>
#include <asm/system.h>
#include <asm/arch/smc.h>

DECLARE_GLOBAL_DATA_PTR;

ssize_t smc_dram_size(unsigned int node)
{
	struct pt_regs regs;

	regs.regs[0] = OCTEONTX2_DRAM_SIZE;
	regs.regs[1] = node;
	smc_call(&regs);

	return regs.regs[0];
}

ssize_t smc_disable_rvu_lfs(unsigned int node)
{
	struct pt_regs regs;

	regs.regs[0] = OCTEONTX2_DISABLE_RVU_LFS;
	regs.regs[1] = node;
	smc_call(&regs);

	return regs.regs[0];
}

ssize_t smc_configure_ooo(unsigned int val)
{
	struct pt_regs regs;

	regs.regs[0] = OCTEONTX2_CONFIG_OOO;
	regs.regs[1] = val;
	smc_call(&regs);

	return regs.regs[0];
}

ssize_t smc_flsf_fw_booted(void)
{
	struct pt_regs regs;

	regs.regs[0] = OCTEONTX2_FSAFE_PR_BOOT_SUCCESS;
	smc_call(&regs);

	return regs.regs[0];
}