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/*
* Copyright 2017 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <debug.h>
#include <stdlib.h>
#include <stdint.h>
#include <smcc_helpers.h>
#include <std_svc.h>
#include <types.h>
#include <platform_def.h>
#include <fsl_sip.h>
#include <sci/sci.h>
extern sc_ipc_t ipc_handle;
#ifdef PLAT_IMX8QM
const static int ap_cluster_index[2] = {
SC_R_A53, SC_R_A72,
};
#endif
static void imx_cpufreq_set_target(uint32_t cluster_id, unsigned long freq)
{
sc_pm_clock_rate_t rate = (sc_pm_clock_rate_t)freq;
#ifdef PLAT_IMX8QM
sc_pm_set_clock_rate(ipc_handle, ap_cluster_index[cluster_id], SC_PM_CLK_CPU, &rate);
#endif
#ifdef PLAT_IMX8QXP
sc_pm_set_clock_rate(ipc_handle, SC_R_A35, SC_PM_CLK_CPU, &rate);
#endif
}
int imx_cpufreq_handler(uint32_t smc_fid,
u_register_t x1,
u_register_t x2,
u_register_t x3)
{
switch(x1) {
case FSL_SIP_SET_CPUFREQ:
imx_cpufreq_set_target(x2, x3);
break;
default:
return SMC_UNK;
}
return 0;
}
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