diff options
Diffstat (limited to 'include/hw/misc')
| -rw-r--r-- | include/hw/misc/imx31_ccm.h | 66 | ||||
| -rw-r--r-- | include/hw/misc/imx_ccm.h | 69 |
2 files changed, 90 insertions, 45 deletions
diff --git a/include/hw/misc/imx31_ccm.h b/include/hw/misc/imx31_ccm.h new file mode 100644 index 0000000000..fcae36d426 --- /dev/null +++ b/include/hw/misc/imx31_ccm.h @@ -0,0 +1,66 @@ +/* + * 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 IMX31_CCM_H +#define IMX31_CCM_H + +#include "hw/misc/imx_ccm.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) + +#define PMCR0_DFSUP1 (1<<31) + +/* 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) + +#define TYPE_IMX31_CCM "imx31.ccm" +#define IMX31_CCM(obj) OBJECT_CHECK(IMX31CCMState, (obj), TYPE_IMX31_CCM) + +typedef struct IMX31CCMState { + /* <private> */ + IMXCCMState 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; +} IMX31CCMState; + +#endif /* IMX31_CCM_H */ diff --git a/include/hw/misc/imx_ccm.h b/include/hw/misc/imx_ccm.h index 09f6248053..5c4b7958bd 100644 --- a/include/hw/misc/imx_ccm.h +++ b/include/hw/misc/imx_ccm.h @@ -1,5 +1,5 @@ /* - * IMX31 Clock Control Module + * IMX Clock Control Module base class * * Copyright (C) 2012 NICTA * Updated by Jean-Christophe Dubois <jcd@tribudubois.net> @@ -13,33 +13,7 @@ #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) +#define CKIL_FREQ 32768 /* nominal 32khz clock */ /* PLL control registers */ #define PD(v) (((v) >> 26) & 0xf) @@ -53,39 +27,44 @@ #define PLL_MFN(x) (((x) & 0x3ff) << 0) #define TYPE_IMX_CCM "imx.ccm" -#define IMX_CCM(obj) OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM) +#define IMX_CCM(obj) \ + OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM) +#define IMX_CCM_CLASS(klass) \ + OBJECT_CLASS_CHECK(IMXCCMClass, (klass), TYPE_IMX_CCM) +#define IMX_GET_CLASS(obj) \ + OBJECT_GET_CLASS(IMXCCMClass, (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, + CLK_MPLL, + CLK_UPLL, CLK_MCU, CLK_HSP, + CLK_MAX, + CLK_AHB, CLK_IPG, + CLK_PER, CLK_32k } IMXClk; -uint32_t imx_ccm_get_clock_frequency(DeviceState *s, IMXClk clock); +typedef struct IMXCCMClass { + /* <private> */ + SysBusDeviceClass parent_class; + + /* <public> */ + uint32_t (*get_clock_frequency)(IMXCCMState *s, IMXClk clk); +} IMXCCMClass; + +uint32_t imx_ccm_calc_pll(uint32_t pllreg, uint32_t base_freq); + +uint32_t imx_ccm_get_clock_frequency(IMXCCMState *s, IMXClk clock); #endif /* IMX_CCM_H */ |