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/*
* Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <lib/smccc.h>
#include <platform_def.h>
#include <services/arm_arch_svc.h>
#include <plat/arm/common/plat_arm.h>
/*
* Table of memory regions for different BL stages to map using the MMU.
* This doesn't include Trusted SRAM as setup_page_tables() already takes care
* of mapping it.
*/
#ifdef IMAGE_BL1
const mmap_region_t plat_arm_mmap[] = {
ARM_MAP_SHARED_RAM,
V2M_MAP_FLASH0_RW,
V2M_MAP_IOFPGA,
CSS_MAP_DEVICE,
SOC_CSS_MAP_DEVICE,
#if TRUSTED_BOARD_BOOT
/* Map DRAM to authenticate NS_BL2U image. */
ARM_MAP_NS_DRAM1,
#endif
{0}
};
#endif
#ifdef IMAGE_BL2
const mmap_region_t plat_arm_mmap[] = {
ARM_MAP_SHARED_RAM,
V2M_MAP_FLASH0_RW,
#ifdef PLAT_ARM_MEM_PROT_ADDR
ARM_V2M_MAP_MEM_PROTECT,
#endif
V2M_MAP_IOFPGA,
CSS_MAP_DEVICE,
SOC_CSS_MAP_DEVICE,
ARM_MAP_NS_DRAM1,
#ifdef __aarch64__
ARM_MAP_DRAM2,
#endif
#ifdef SPD_tspd
ARM_MAP_TSP_SEC_MEM,
#endif
#ifdef SPD_opteed
ARM_MAP_OPTEE_CORE_MEM,
ARM_OPTEE_PAGEABLE_LOAD_MEM,
#endif
#if TRUSTED_BOARD_BOOT && !BL2_AT_EL3
ARM_MAP_BL1_RW,
#endif
{0}
};
#endif
#ifdef IMAGE_BL2U
const mmap_region_t plat_arm_mmap[] = {
ARM_MAP_SHARED_RAM,
CSS_MAP_DEVICE,
CSS_MAP_SCP_BL2U,
V2M_MAP_IOFPGA,
SOC_CSS_MAP_DEVICE,
{0}
};
#endif
#ifdef IMAGE_BL31
const mmap_region_t plat_arm_mmap[] = {
ARM_MAP_SHARED_RAM,
V2M_MAP_IOFPGA,
CSS_MAP_DEVICE,
#ifdef PLAT_ARM_MEM_PROT_ADDR
ARM_V2M_MAP_MEM_PROTECT,
#endif
SOC_CSS_MAP_DEVICE,
ARM_DTB_DRAM_NS,
{0}
};
#endif
#ifdef IMAGE_BL32
const mmap_region_t plat_arm_mmap[] = {
#ifndef __aarch64__
ARM_MAP_SHARED_RAM,
#ifdef PLAT_ARM_MEM_PROT_ADDR
ARM_V2M_MAP_MEM_PROTECT,
#endif
#endif
V2M_MAP_IOFPGA,
CSS_MAP_DEVICE,
SOC_CSS_MAP_DEVICE,
{0}
};
#endif
ARM_CASSERT_MMAP
/*****************************************************************************
* plat_is_smccc_feature_available() - This function checks whether SMCCC
* feature is availabile for platform.
* @fid: SMCCC function id
*
* Return SMC_ARCH_CALL_SUCCESS if SMCCC feature is available and
* SMC_ARCH_CALL_NOT_SUPPORTED otherwise.
*****************************************************************************/
int32_t plat_is_smccc_feature_available(u_register_t fid)
{
switch (fid) {
case SMCCC_ARCH_SOC_ID:
return SMC_ARCH_CALL_SUCCESS;
default:
return SMC_ARCH_CALL_NOT_SUPPORTED;
}
}
/* Get SOC version */
int32_t plat_get_soc_version(void)
{
return (int32_t)
(SOC_ID_SET_JEP_106(ARM_SOC_CONTINUATION_CODE,
ARM_SOC_IDENTIFICATION_CODE) |
(JUNO_SOC_ID & SOC_ID_IMPL_DEF_MASK));
}
/* Get SOC revision */
int32_t plat_get_soc_revision(void)
{
unsigned int sys_id;
sys_id = mmio_read_32(V2M_SYSREGS_BASE + V2M_SYS_ID);
return (int32_t)(((sys_id >> V2M_SYS_ID_REV_SHIFT) &
V2M_SYS_ID_REV_MASK) & SOC_ID_REV_MASK);
}
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