106 lines
2.2 KiB
C
106 lines
2.2 KiB
C
//---
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// gint:mpu:power- Standby modes and power management
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//---
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#ifndef GINT_MPU_POWER
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#define GINT_MPU_POWER
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#include <gint/defs/types.h>
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//---
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// SH7305 Standby modes and power management Refer to:
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// "Renesas SH7724 User's Manual: Hardware"
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// Section 18: "Reset and Power-Down Modes"
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//---
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typedef volatile struct
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{
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/* Standby Control Register: only one of the bits may be set at any
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given time. Setting several bits is prohibited! */
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lword_union(STBCR,
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uint32_t :24;
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uint32_t STBY :1; /* Map [sleep] to standby mode */
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uint32_t :1;
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uint32_t RSTBY :1; /* Map [sleep] to R-standby mode */
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uint32_t USTBY :1; /* Map [sleep] to U-standby mode */
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uint32_t :4;
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);
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pad(12);
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/* Module Stop Control Register 0
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Stopping the TLB (bit 31), IC (bit 30 or OC (bit 29) seems somewhat
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dangerous, plus requires special operations. */
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lword_union(MSTPCR0,
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uint32_t TLB :1;
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uint32_t IC :1;
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uint32_t OC :1;
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uint32_t RS :1;
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uint32_t IL :1;
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uint32_t SndCache :1;
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uint32_t _unknown1 :1;
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uint32_t :1;
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uint32_t :1;
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uint32_t INTC :1;
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uint32_t DMAC0 :1;
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uint32_t SuperHyway :1;
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uint32_t HUDI :1;
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uint32_t DBG :1;
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uint32_t UDB :1;
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uint32_t Debug :1;
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uint32_t TMU0 :1;
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uint32_t CMT :1;
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uint32_t RWDT :1;
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uint32_t DMAC1 :1;
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uint32_t :4;
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uint32_t SCIF :1;
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uint32_t KEYSC :1;
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uint32_t RTC :1;
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uint32_t :2;
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uint32_t MSIOF0 :1;
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uint32_t MSIOF1 :1;
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uint32_t :1;
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);
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/* Module Stop Control Register 2
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The list was established by Yatis. See <https://bible.planet-casio.
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com/yatis/hardware/sh7305/power.html>. */
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lword_union(MSTPCR2,
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uint32_t :2;
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uint32_t MMC :1;
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uint32_t :1;
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uint32_t ADC :1;
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uint32_t :6;
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uint32_t USB0 :1;
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uint32_t :2;
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uint32_t SDC :1;
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uint32_t :2;
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uint32_t FLCTL :1;
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uint32_t ECC :1;
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uint32_t :1;
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uint32_t I2C :1;
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uint32_t :1;
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uint32_t FSI_SPU :1;
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uint32_t _unknown2 :1;
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uint32_t :1;
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uint32_t LCDC :1;
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uint32_t _unknown3 :1;
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uint32_t Cmod :1;
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uint32_t :1;
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uint32_t Cmod2A :1;
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uint32_t :2;
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);
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pad(4);
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/* Boot Address Register
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I really don't suggest writing to BAR. */
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uint32_t const BAR;
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} sh7305_power_t;
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#define SH7305_POWER (*((sh7305_power_t *)0xa4150020))
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#endif /* GINT_MPU_POWER */
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