coreboot-libre-fam15h-rdimm/3rdparty/arm-trusted-firmware/plat/mediatek/mt8183/scu.c

57 lines
1.2 KiB
C

/*
* Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <assert.h>
#include <common/debug.h>
#include <lib/mmio.h>
#include <mcucfg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void disable_scu(u_register_t mpidr)
{
uintptr_t axi_config = 0;
uint32_t axi_value;
switch (mpidr & MPIDR_CLUSTER_MASK) {
case 0x000:
axi_config = (uintptr_t)&mt8183_mcucfg->mp0_axi_config;
axi_value = MP0_ACINACTM;
break;
case 0x100:
axi_config = (uintptr_t)&mt8183_mcucfg->mp2_axi_config;
axi_value = MP2_ACINACTM;
break;
default:
ERROR("%s: mpidr does not exist\n", __func__);
panic();
}
mmio_setbits_32(axi_config, axi_value);
}
void enable_scu(u_register_t mpidr)
{
uintptr_t axi_config = 0;
uint32_t axi_value;
switch (mpidr & MPIDR_CLUSTER_MASK) {
case 0x000:
axi_config = (uintptr_t)&mt8183_mcucfg->mp0_axi_config;
axi_value = MP0_ACINACTM;
break;
case 0x100:
axi_config = (uintptr_t)&mt8183_mcucfg->mp2_axi_config;
axi_value = MP2_ACINACTM;
break;
default:
ERROR("%s: mpidr does not exist\n", __func__);
panic();
}
mmio_clrbits_32(axi_config, axi_value);
}