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plat/arm: fvp: Implement methods to retrieve soc-id information

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Implemented platform functions to retrieve the soc-id information
for FVP platform.

Change-Id: Id3df02ab290a210310e8d34ec9d706a59d817517
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
This commit is contained in:
Manish V Badarkhe 2020-08-04 17:09:10 +01:00 • committed by Manish V Badarkhe
parent 7f03d80d40
commit ed9653ffa9
2 changed files with 48 additions and 4 deletions
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47
plat/arm/board/fvp/fvp_common.c
View file

@ -13,16 +13,18 @@
#include <drivers/arm/sp804_delay_timer.h>
#include <drivers/generic_delay_timer.h>
#include <lib/mmio.h>
#include <lib/smccc.h>
#include <lib/xlat_tables/xlat_tables_compat.h>
#include <plat/arm/common/arm_config.h>
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
#include <platform_def.h>
#include <services/arm_arch_svc.h>
#if SPM_MM
#include <services/spm_mm_partition.h>
#endif
#include <plat/arm/common/arm_config.h>
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
#include "fvp_private.h"
/* Defines for GIC Driver build time selection */
@ -437,3 +439,40 @@ void fvp_timer_init(void)
CNTCR_FCREQ(0U) | CNTCR_EN);
#endif /* USE_SP804_TIMER */
}
/*****************************************************************************
* 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)
((ARM_SOC_IDENTIFICATION_CODE << ARM_SOC_IDENTIFICATION_SHIFT)
| (ARM_SOC_CONTINUATION_CODE << ARM_SOC_CONTINUATION_SHIFT)
| FVP_SOC_ID);
}
/* 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);
}

5
plat/arm/board/fvp/fvp_def.h
View file

@ -27,6 +27,11 @@
#define FVP_CCI 1
#define FVP_CCN 2
/******************************************************************************
* Definition of platform soc id
*****************************************************************************/
#define FVP_SOC_ID 0
/*******************************************************************************
* FVP memory map related constants
******************************************************************************/