53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
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* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <mmio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <imx_regs.h>
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#include <imx_clock.h>
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void imx_clock_target_set(unsigned int id, uint32_t val)
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{
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struct ccm *ccm = ((struct ccm *)CCM_BASE);
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uintptr_t addr;
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if (id > CCM_ROOT_CTRL_NUM)
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return;
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addr = (uintptr_t)&ccm->ccm_root_ctrl[id].ccm_target_root;
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mmio_write_32(addr, val);
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}
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void imx_clock_target_clr(unsigned int id, uint32_t val)
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{
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struct ccm *ccm = ((struct ccm *)CCM_BASE);
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uintptr_t addr;
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if (id > CCM_ROOT_CTRL_NUM)
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return;
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addr = (uintptr_t)&ccm->ccm_root_ctrl[id].ccm_target_root_clr;
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mmio_write_32(addr, val);
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}
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void imx_clock_gate_enable(unsigned int id, bool enable)
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{
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struct ccm *ccm = ((struct ccm *)CCM_BASE);
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uintptr_t addr;
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if (id > CCM_CLK_GATE_CTRL_NUM)
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return;
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/* TODO: add support for more than DOMAIN0 clocks */
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if (enable)
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addr = (uintptr_t)&ccm->ccm_clk_gate_ctrl[id].ccm_ccgr_set;
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else
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addr = (uintptr_t)&ccm->ccm_clk_gate_ctrl[id].ccm_ccgr_clr;
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mmio_write_32(addr, CCM_CCGR_SETTING0_DOM_CLK_ALWAYS);
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}
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