blob: 2b3a7d97bb75b2a997f6d0806cc07a40f3f6a51b [file] [log] [blame]
/*
* Copyright 2020-2022 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <lib/mmio.h>
#include <imx8m_csu.h>
void imx_csu_init(const struct imx_csu_cfg *csu_cfg)
{
const struct imx_csu_cfg *csu = csu_cfg;
uint32_t val;
while (csu->type != CSU_INVALID) {
switch (csu->type) {
case CSU_CSL:
val = mmio_read_32(CSLx_REG(csu->idx));
if (val & CSLx_LOCK(csu->idx)) {
break;
}
mmio_clrsetbits_32(CSLx_REG(csu->idx), CSLx_CFG(0xff, csu->idx),
CSLx_CFG(csu->csl_level | (csu->lock << 8), csu->idx));
break;
case CSU_HP:
val = mmio_read_32(CSU_HP_REG(csu->idx));
if (val & CSU_HP_LOCK(csu->idx)) {
break;
}
mmio_clrsetbits_32(CSU_HP_REG(csu->idx), CSU_HP_CFG(0x1, csu->idx),
CSU_HP_CFG(csu->hp | (csu->lock << 0x1), csu->idx));
break;
case CSU_SA:
val = mmio_read_32(CSU_SA_REG(csu->idx));
if (val & CSU_SA_LOCK(csu->idx)) {
break;
}
mmio_clrsetbits_32(CSU_SA_REG(csu->idx), CSU_SA_CFG(0x1, csu->idx),
CSU_SA_CFG(csu->sa | (csu->lock << 0x1), csu->idx));
break;
case CSU_HPCONTROL:
val = mmio_read_32(CSU_HPCONTROL_REG(csu->idx));
if (val & CSU_HPCONTROL_LOCK(csu->idx)) {
break;
}
mmio_clrsetbits_32(CSU_HPCONTROL_REG(csu->idx), CSU_HPCONTROL_CFG(0x1, csu->idx),
CSU_HPCONTROL_CFG(csu->hpctrl | (csu->lock << 0x1), csu->idx));
break;
default:
break;
}
csu++;
}
}