diff options
Diffstat (limited to 'plat/freescale/common/sip_svc.c')
-rw-r--r-- | plat/freescale/common/sip_svc.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/plat/freescale/common/sip_svc.c b/plat/freescale/common/sip_svc.c new file mode 100644 index 00000000..d8c1c5bf --- /dev/null +++ b/plat/freescale/common/sip_svc.c @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * Copyright 2017 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <debug.h> +#include <fsl_sip.h> +#include <runtime_svc.h> +#include <smcc_helpers.h> +#include <std_svc.h> +#include <stdint.h> +#include <uuid.h> + +extern int imx_gpc_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2, u_register_t x3); +extern int imx_cpufreq_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2, u_register_t x3); + +/* Setup i.MX platform specific services Services */ +static int32_t plat_svc_setup(void) +{ + /* gpc init ?*/ + NOTICE("sip svc init\n"); + return 0; +} + +/* i.MX platform specific service SMC handler */ +uintptr_t imx_svc_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, + uint64_t flags) +{ + NOTICE("smc_fid is %x\n", smc_fid); + switch (smc_fid) { +#ifdef PLAT_IMX8M + case FSL_SIP_GPC: + SMC_RET1(handle, imx_gpc_handler(smc_fid, x1, x2, x3)); + break; +#endif +#if (defined(PLAT_IMX8QM) || defined(PLAT_IMX8QXP)) + case FSL_SIP_CPUFREQ: + SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3)); + break; +#endif + default: + WARN("Unimplemented SIP Service Call: 0x%x \n", smc_fid); + SMC_RET1(handle, SMC_UNK); + break; + } +} + +/* Rigister SIP Service Calls as runtime service */ +DECLARE_RT_SVC( + imx_svc, + OEN_SIP_START, + OEN_SIP_END, + SMC_TYPE_FAST, + plat_svc_setup, + imx_svc_smc_handler +); |