board/Marvell/octeontx/smc.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

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

#include <asm/global_data.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] = OCTEONTX_DRAM_SIZE;
	regs.regs[1] = node;
	smc_call(&regs);

	return regs.regs[0];
}