You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
1.9 KiB
85 lines
1.9 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <assert.h>
|
||
|
|
|
||
|
|
#include <common/debug.h>
|
||
|
|
#include <common/runtime_svc.h>
|
||
|
|
#include <lib/mmio.h>
|
||
|
|
#include <tools_share/uuid.h>
|
||
|
|
|
||
|
|
#include <plat_sip_calls.h>
|
||
|
|
#include <rockchip_sip_svc.h>
|
||
|
|
|
||
|
|
/* Rockchip SiP Service UUID */
|
||
|
|
DEFINE_SVC_UUID2(rk_sip_svc_uid,
|
||
|
|
0xe2c76fe8, 0x3e31, 0xe611, 0xb7, 0x0d,
|
||
|
|
0x8f, 0x88, 0xee, 0x74, 0x7b, 0x72);
|
||
|
|
|
||
|
|
#pragma weak rockchip_plat_sip_handler
|
||
|
|
uintptr_t rockchip_plat_sip_handler(uint32_t smc_fid,
|
||
|
|
u_register_t x1,
|
||
|
|
u_register_t x2,
|
||
|
|
u_register_t x3,
|
||
|
|
u_register_t x4,
|
||
|
|
void *cookie,
|
||
|
|
void *handle,
|
||
|
|
u_register_t flags)
|
||
|
|
{
|
||
|
|
ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
|
||
|
|
SMC_RET1(handle, SMC_UNK);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This function is responsible for handling all SiP calls from the NS world
|
||
|
|
*/
|
||
|
|
uintptr_t sip_smc_handler(uint32_t smc_fid,
|
||
|
|
u_register_t x1,
|
||
|
|
u_register_t x2,
|
||
|
|
u_register_t x3,
|
||
|
|
u_register_t x4,
|
||
|
|
void *cookie,
|
||
|
|
void *handle,
|
||
|
|
u_register_t flags)
|
||
|
|
{
|
||
|
|
uint32_t ns;
|
||
|
|
|
||
|
|
/* Determine which security state this SMC originated from */
|
||
|
|
ns = is_caller_non_secure(flags);
|
||
|
|
if (!ns)
|
||
|
|
SMC_RET1(handle, SMC_UNK);
|
||
|
|
|
||
|
|
switch (smc_fid) {
|
||
|
|
case SIP_SVC_CALL_COUNT:
|
||
|
|
/* Return the number of Rockchip SiP Service Calls. */
|
||
|
|
SMC_RET1(handle,
|
||
|
|
RK_COMMON_SIP_NUM_CALLS + RK_PLAT_SIP_NUM_CALLS);
|
||
|
|
|
||
|
|
case SIP_SVC_UID:
|
||
|
|
/* Return UID to the caller */
|
||
|
|
SMC_UUID_RET(handle, rk_sip_svc_uid);
|
||
|
|
|
||
|
|
case SIP_SVC_VERSION:
|
||
|
|
/* Return the version of current implementation */
|
||
|
|
SMC_RET2(handle, RK_SIP_SVC_VERSION_MAJOR,
|
||
|
|
RK_SIP_SVC_VERSION_MINOR);
|
||
|
|
|
||
|
|
default:
|
||
|
|
return rockchip_plat_sip_handler(smc_fid, x1, x2, x3, x4,
|
||
|
|
cookie, handle, flags);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Define a runtime service descriptor for fast SMC calls */
|
||
|
|
DECLARE_RT_SVC(
|
||
|
|
rockchip_sip_svc,
|
||
|
|
OEN_SIP_START,
|
||
|
|
OEN_SIP_END,
|
||
|
|
SMC_TYPE_FAST,
|
||
|
|
NULL,
|
||
|
|
sip_smc_handler
|
||
|
|
);
|