core: remove some useless hardware info

include/gint/hardware.h

@@ -57,16 +57,11 @@ void hw_detect(void);
 #define HWCALC   3    /* Calculator model */
 #define HWRAM    4    /* Amount of RAM */
 #define HWROM    5    /* Amount of ROM */
-#define HWMMU    6    /* Memory Management Unit */
-#define HWURAM   7    /* Userspace RAM (set iff HWMMU is loaded) */
-#define HWCPG    8    /* Clock Pulse Generator */
-#define HWDMA    9    /* Direct Memory Access Controller */
-#define HWTMU    10   /* Timer Unit */
-#define HWETMU   11   /* Extra Timer Units */
-#define HWRTC    12   /* Real-Time Clock */
-#define HWKBD    13   /* Keyboard */
-#define HWKBDSF  14   /* Keyboard Scan Frequency (set iff HWKBD is loaded) */
-#define HWDD     15   /* Display Driver */
+#define HWURAM   6    /* Userspace RAM */
+#define HWETMU   7    /* Extra Timer Units */
+#define HWKBD    8    /* Keyboard */
+#define HWKBDSF  9    /* Keyboard Scan Frequency (set iff HWKBD is loaded) */
+#define HWDD     10   /* Display Driver */
 
 /*
 **  MPU type
@@ -100,39 +95,6 @@ void hw_detect(void);
 /* fx-CG 50, a late extension to the Prizm family */
 #define HWCALC_FXCG50       5
 
-/*
-**  Memory Management Unit
-*/
-
-/* MMU has a unified TLB. Essentially correlated with SH4. */
-#define HWMMU_UTLB     0x01
-/* Add-in is fully mapped in the TLB. This means that gint needs not handle TLB
-   misses as exceptions. This should generally be set on fx9860g, but not on
-   fxcg50. */
-#define HWMMU_FITTLB   0x02
-
-/*
-**  Clock Pulse Generator
-*/
-
-/* Input clock frequency is known for this model and all frequencies are
-   computed (they used to be measured from the RTC). Should be 1 */
-#define HWCPG_COMP     0x01
-/* Used an extended CPG interface, correlated with SH4 */
-#define HWCPG_EXT      0x02
-
-/*
-**  Direct Memory Access Controller
-*/
-
-/* Nothing other than the HW_LOADED bit yet */
-
-/*
-**  Timer Unit
-*/
-
-/* Nothing other than the HW_LOADED bit yet */
-
 /*
 **  Extra Timer Units
 */
@@ -151,13 +113,6 @@ void hw_detect(void);
 #define HWETMU_OK4     0x40
 #define HWETMU_OK5     0x80
 
-/*
-**  Real-Time Clock
-*/
-
-/* The RTC timer is enabled */
-#define HWRTC_TIMER    0x01
-
 /*
 **  Keyboard
 */

src/core/mmu.c

@@ -50,7 +50,6 @@ void tlb_mapped_memory(uint32_t *p_rom, uint32_t *p_ram)
 	if(p_rom) *p_rom = rom;
 	if(p_ram) *p_ram = ram;
 
-	gint[HWMMU] = HW_LOADED;
 	gint[HWURAM] = ram;
 }
 
@@ -97,6 +96,5 @@ void utlb_mapped_memory(uint32_t *p_rom, uint32_t *p_ram)
 	if(p_rom) *p_rom = rom;
 	if(p_ram) *p_ram = ram;
 
-	gint[HWMMU] = HW_LOADED | HWMMU_UTLB;
 	gint[HWURAM] = ram;
 }

src/cpg/cpg.c

@@ -64,8 +64,6 @@ static void sh7705_probe(void)
 	freq.Bphi_f = ckio;
 	freq.Iphi_f = (idiv == 3) ? ckio_3 : ckio >> idiv;
 	freq.Pphi_f = (pdiv == 3) ? ckio_3 : ckio >> pdiv;
-
-	gint[HWCPG] |= HWCPG_COMP;
 }
 
 #undef CPG
@@ -110,8 +108,6 @@ static void sh7305_probe(void)
 	freq.Bphi_f   = base >> (divb + 1);
 	freq.Iphi_f   = base >> (divi + 1);
 	freq.Pphi_f   = base >> (divp + 1);
-
-	gint[HWCPG] |= HWCPG_COMP | HWCPG_EXT;
 }
 
 #undef CPG
@@ -122,8 +118,6 @@ static void sh7305_probe(void)
 
 static void init(void)
 {
-	gint[HWCPG] = HW_LOADED;
-
 	/* This avoids warnings about sh7705_probe() being undefined when
 	   building for fxcg50 */
 	#if defined(FX9860G) || (!defined(FX9860G) && !defined(FXCG50))

src/dma/dma.c

@@ -213,8 +213,6 @@ static void init(void)
 	DMA.OR.AE = 0;
 	DMA.OR.NMIF = 0;
 	DMA.OR.DME = 1;
-
-	gint[HWDMA] = HW_LOADED;
 }
 
 static void wait(void)

src/rtc/rtc.c

@@ -149,8 +149,6 @@ static void init(void)
 	/* Disable the periodic interrupt for now, but give it priority 5 */
 	RTC->RCR2.PES = RTC_NONE;
 	intc_priority(INTC_RTC_PRI, 5);
-
-	gint[HWRTC] = HW_LOADED | HWRTC_TIMER;
 }
 
 //---

src/tmu/tmu.c

@@ -301,7 +301,6 @@ static void init(void)
 
 	/* Record details in gint's hardware information interface */
 
-	gint[HWTMU]  = HW_LOADED;
 	gint[HWETMU] = HW_LOADED | (isSH3() ? HWETMU_1 : HWETMU_6);
 
 	for(int i = 0; i < timer_count() - 3; i++)