/* * Copyright 2020 NXP * * SPDX-License-Identifier: BSD-3-Clause */ #include #include 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->hp | (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->hp | (csu->lock << 0x1), csu->idx)); break; default: break; } csu++; } }