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/*
* IMX31 Clock Control Module
*
* Copyright (C) 2012 NICTA
* Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef IMX_CCM_H
#define IMX_CCM_H
#include "hw/sysbus.h"
/* CCMR */
#define CCMR_FPME (1<<0)
#define CCMR_MPE (1<<3)
#define CCMR_MDS (1<<7)
#define CCMR_FPMF (1<<26)
#define CCMR_PRCS (3<<1)
/* PDR0 */
#define PDR0_MCU_PODF_SHIFT (0)
#define PDR0_MCU_PODF_MASK (0x7)
#define PDR0_MAX_PODF_SHIFT (3)
#define PDR0_MAX_PODF_MASK (0x7)
#define PDR0_IPG_PODF_SHIFT (6)
#define PDR0_IPG_PODF_MASK (0x3)
#define PDR0_NFC_PODF_SHIFT (8)
#define PDR0_NFC_PODF_MASK (0x7)
#define PDR0_HSP_PODF_SHIFT (11)
#define PDR0_HSP_PODF_MASK (0x7)
#define PDR0_PER_PODF_SHIFT (16)
#define PDR0_PER_PODF_MASK (0x1f)
#define PDR0_CSI_PODF_SHIFT (23)
#define PDR0_CSI_PODF_MASK (0x1ff)
#define EXTRACT(value, name) (((value) >> PDR0_##name##_PODF_SHIFT) \
& PDR0_##name##_PODF_MASK)
#define INSERT(value, name) (((value) & PDR0_##name##_PODF_MASK) << \
PDR0_##name##_PODF_SHIFT)
/* PLL control registers */
#define PD(v) (((v) >> 26) & 0xf)
#define MFD(v) (((v) >> 16) & 0x3ff)
#define MFI(v) (((v) >> 10) & 0xf);
#define MFN(v) ((v) & 0x3ff)
#define PLL_PD(x) (((x) & 0xf) << 26)
#define PLL_MFD(x) (((x) & 0x3ff) << 16)
#define PLL_MFI(x) (((x) & 0xf) << 10)
#define PLL_MFN(x) (((x) & 0x3ff) << 0)
#define TYPE_IMX_CCM "imx.ccm"
#define IMX_CCM(obj) OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM)
typedef struct IMXCCMState {
/* <private> */
SysBusDevice parent_obj;
/* <public> */
MemoryRegion iomem;
uint32_t ccmr;
uint32_t pdr0;
uint32_t pdr1;
uint32_t mpctl;
uint32_t spctl;
uint32_t cgr[3];
uint32_t pmcr0;
uint32_t pmcr1;
/* Frequencies precalculated on register changes */
uint32_t pll_refclk_freq;
uint32_t mcu_clk_freq;
uint32_t hsp_clk_freq;
uint32_t ipg_clk_freq;
} IMXCCMState;
typedef enum {
NOCLK,
MCU,
HSP,
IPG,
CLK_32k
} IMXClk;
uint32_t imx_clock_frequency(DeviceState *s, IMXClk clock);
#endif /* IMX_CCM_H */
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