]> git.proxmox.com Git - mirror_qemu.git/blobdiff - hw/sh7750.c
Rename target_phys_addr_t to hwaddr
[mirror_qemu.git] / hw / sh7750.c
index 1028c5cc276ead4dddbb92d86cd88c9561700ad0..8bcf0df96fafa582c81880eb3b6c3dcba915da18 100644 (file)
@@ -1,6 +1,7 @@
 /*
  * SH7750 device
  *
+ * Copyright (c) 2007 Magnus Damm
  * Copyright (c) 2005 Samuel Tardieu
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * THE SOFTWARE.
  */
 #include <stdio.h>
-#include <assert.h>
-#include "vl.h"
+#include "hw.h"
+#include "sh.h"
+#include "sysemu.h"
 #include "sh7750_regs.h"
 #include "sh7750_regnames.h"
+#include "sh_intc.h"
+#include "cpu.h"
+#include "exec-memory.h"
 
 #define NB_DEVICES 4
 
 typedef struct SH7750State {
+    MemoryRegion iomem;
+    MemoryRegion iomem_1f0;
+    MemoryRegion iomem_ff0;
+    MemoryRegion iomem_1f8;
+    MemoryRegion iomem_ff8;
+    MemoryRegion iomem_1fc;
+    MemoryRegion iomem_ffc;
+    MemoryRegion mmct_iomem;
     /* CPU */
     CPUSH4State *cpu;
     /* Peripheral frequency in Hz */
     uint32_t periph_freq;
     /* SDRAM controller */
+    uint32_t bcr1;
+    uint16_t bcr2;
+    uint16_t bcr3;
+    uint32_t bcr4;
     uint16_t rfcr;
+    /* PCMCIA controller */
+    uint16_t pcr;
     /* IO ports */
     uint16_t gpioic;
     uint32_t pctra;
@@ -51,12 +70,17 @@ typedef struct SH7750State {
     uint16_t periph_pdtrb;     /* Imposed by the peripherals */
     uint16_t periph_portdirb;  /* Direction seen from the peripherals */
     sh7750_io_device *devices[NB_DEVICES];     /* External peripherals */
+
     /* Cache */
     uint32_t ccr;
 
+    struct intc_desc intc;
 } SH7750State;
 
-
+static inline int has_bcr3_and_bcr4(SH7750State * s)
+{
+       return (s->cpu->features & SH_FEATURE_BCR3_AND_BCR4);
+}
 /**********************************************************************
  I/O ports
 **********************************************************************/
@@ -173,32 +197,42 @@ static void portb_changed(SH7750State * s, uint16_t prev)
  Memory
 **********************************************************************/
 
-static void error_access(const char *kind, target_phys_addr_t addr)
+static void error_access(const char *kind, hwaddr addr)
 {
-    fprintf(stderr, "%s to %s (0x%08x) not supported\n",
+    fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n",
            kind, regname(addr), addr);
 }
 
-static void ignore_access(const char *kind, target_phys_addr_t addr)
+static void ignore_access(const char *kind, hwaddr addr)
 {
-    fprintf(stderr, "%s to %s (0x%08x) ignored\n",
+    fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n",
            kind, regname(addr), addr);
 }
 
-static uint32_t sh7750_mem_readb(void *opaque, target_phys_addr_t addr)
+static uint32_t sh7750_mem_readb(void *opaque, hwaddr addr)
 {
     switch (addr) {
     default:
        error_access("byte read", addr);
-       assert(0);
+        abort();
     }
 }
 
-static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr)
+static uint32_t sh7750_mem_readw(void *opaque, hwaddr addr)
 {
     SH7750State *s = opaque;
 
     switch (addr) {
+    case SH7750_BCR2_A7:
+       return s->bcr2;
+    case SH7750_BCR3_A7:
+       if(!has_bcr3_and_bcr4(s))
+           error_access("word read", addr);
+       return s->bcr3;
+    case SH7750_FRQCR_A7:
+       return 0;
+    case SH7750_PCR_A7:
+       return s->pcr;
     case SH7750_RFCR_A7:
        fprintf(stderr,
                "Read access to refresh count register, incrementing\n");
@@ -207,17 +241,34 @@ static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr)
        return porta_lines(s);
     case SH7750_PDTRB_A7:
        return portb_lines(s);
+    case SH7750_RTCOR_A7:
+    case SH7750_RTCNT_A7:
+    case SH7750_RTCSR_A7:
+       ignore_access("word read", addr);
+       return 0;
     default:
        error_access("word read", addr);
-       assert(0);
+        abort();
     }
 }
 
-static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr)
+static uint32_t sh7750_mem_readl(void *opaque, hwaddr addr)
 {
     SH7750State *s = opaque;
 
     switch (addr) {
+    case SH7750_BCR1_A7:
+       return s->bcr1;
+    case SH7750_BCR4_A7:
+       if(!has_bcr3_and_bcr4(s))
+           error_access("long read", addr);
+       return s->bcr4;
+    case SH7750_WCR1_A7:
+    case SH7750_WCR2_A7:
+    case SH7750_WCR3_A7:
+    case SH7750_MCR_A7:
+        ignore_access("long read", addr);
+        return 0;
     case SH7750_MMUCR_A7:
        return s->cpu->mmucr;
     case SH7750_PTEH_A7:
@@ -236,34 +287,34 @@ static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr)
        return s->cpu->intevt;
     case SH7750_CCR_A7:
        return s->ccr;
-    case 0x1f000030:           /* Processor version PVR */
-       return 0x00050000;      /* SH7750R */
-    case 0x1f000040:           /* Processor version CVR */
-       return 0x00110000;      /* Minimum caches */
-    case 0x1f000044:           /* Processor version PRR */
-       return 0x00000100;      /* SH7750R */
+    case 0x1f000030:           /* Processor version */
+       return s->cpu->pvr;
+    case 0x1f000040:           /* Cache version */
+       return s->cpu->cvr;
+    case 0x1f000044:           /* Processor revision */
+       return s->cpu->prr;
     default:
        error_access("long read", addr);
-       assert(0);
+        abort();
     }
 }
 
-static void sh7750_mem_writeb(void *opaque, target_phys_addr_t addr,
+#define is_in_sdrmx(a, x) (a >= SH7750_SDMR ## x ## _A7 \
+                       && a <= (SH7750_SDMR ## x ## _A7 + SH7750_SDMR ## x ## _REGNB))
+static void sh7750_mem_writeb(void *opaque, hwaddr addr,
                              uint32_t mem_value)
 {
-    switch (addr) {
-       /* PRECHARGE ? XXXXX */
-    case SH7750_PRECHARGE0_A7:
-    case SH7750_PRECHARGE1_A7:
+
+    if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) {
        ignore_access("byte write", addr);
        return;
-    default:
-       error_access("byte write", addr);
-       assert(0);
     }
+
+    error_access("byte write", addr);
+    abort();
 }
 
-static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
+static void sh7750_mem_writew(void *opaque, hwaddr addr,
                              uint32_t mem_value)
 {
     SH7750State *s = opaque;
@@ -272,9 +323,18 @@ static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
     switch (addr) {
        /* SDRAM controller */
     case SH7750_BCR2_A7:
+        s->bcr2 = mem_value;
+        return;
     case SH7750_BCR3_A7:
-    case SH7750_RTCOR_A7:
+       if(!has_bcr3_and_bcr4(s))
+           error_access("word write", addr);
+       s->bcr3 = mem_value;
+       return;
+    case SH7750_PCR_A7:
+       s->pcr = mem_value;
+       return;
     case SH7750_RTCNT_A7:
+    case SH7750_RTCOR_A7:
     case SH7750_RTCSR_A7:
        ignore_access("word write", addr);
        return;
@@ -297,16 +357,16 @@ static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
        s->gpioic = mem_value;
        if (mem_value != 0) {
            fprintf(stderr, "I/O interrupts not implemented\n");
-           assert(0);
+            abort();
        }
        return;
     default:
        error_access("word write", addr);
-       assert(0);
+        abort();
     }
 }
 
-static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
+static void sh7750_mem_writel(void *opaque, hwaddr addr,
                              uint32_t mem_value)
 {
     SH7750State *s = opaque;
@@ -315,7 +375,13 @@ static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
     switch (addr) {
        /* SDRAM controller */
     case SH7750_BCR1_A7:
+        s->bcr1 = mem_value;
+        return;
     case SH7750_BCR4_A7:
+       if(!has_bcr3_and_bcr4(s))
+           error_access("long write", addr);
+       s->bcr4 = mem_value;
+       return;
     case SH7750_WCR1_A7:
     case SH7750_WCR2_A7:
     case SH7750_WCR3_A7:
@@ -338,14 +404,23 @@ static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
        portb_changed(s, temp);
        return;
     case SH7750_MMUCR_A7:
-       s->cpu->mmucr = mem_value;
-       return;
+        if (mem_value & MMUCR_TI) {
+            cpu_sh4_invalidate_tlb(s->cpu);
+        }
+        s->cpu->mmucr = mem_value & ~MMUCR_TI;
+        return;
     case SH7750_PTEH_A7:
+        /* If asid changes, clear all registered tlb entries. */
+       if ((s->cpu->pteh & 0xff) != (mem_value & 0xff))
+           tlb_flush(s->cpu, 1);
        s->cpu->pteh = mem_value;
        return;
     case SH7750_PTEL_A7:
        s->cpu->ptel = mem_value;
        return;
+    case SH7750_PTEA_A7:
+       s->cpu->ptea = mem_value & 0x0000000f;
+       return;
     case SH7750_TTB_A7:
        s->cpu->ttb = mem_value;
        return;
@@ -366,42 +441,398 @@ static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
        return;
     default:
        error_access("long write", addr);
-       assert(0);
+        abort();
     }
 }
 
-static CPUReadMemoryFunc *sh7750_mem_read[] = {
-    sh7750_mem_readb,
-    sh7750_mem_readw,
-    sh7750_mem_readl
+static const MemoryRegionOps sh7750_mem_ops = {
+    .old_mmio = {
+        .read = {sh7750_mem_readb,
+                 sh7750_mem_readw,
+                 sh7750_mem_readl },
+        .write = {sh7750_mem_writeb,
+                  sh7750_mem_writew,
+                  sh7750_mem_writel },
+    },
+    .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static CPUWriteMemoryFunc *sh7750_mem_write[] = {
-    sh7750_mem_writeb,
-    sh7750_mem_writew,
-    sh7750_mem_writel
+/* sh775x interrupt controller tables for sh_intc.c
+ * stolen from linux/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+ */
+
+enum {
+       UNUSED = 0,
+
+       /* interrupt sources */
+       IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, IRL_7,
+       IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E,
+       IRL0, IRL1, IRL2, IRL3,
+       HUDI, GPIOI,
+       DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3,
+       DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7,
+       DMAC_DMAE,
+       PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
+       PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3,
+       TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
+       RTC_ATI, RTC_PRI, RTC_CUI,
+       SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI,
+       SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI,
+       WDT,
+       REF_RCMI, REF_ROVI,
+
+       /* interrupt groups */
+       DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF,
+       /* irl bundle */
+       IRL,
+
+       NR_SOURCES,
+};
+
+static struct intc_vect vectors[] = {
+       INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
+       INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
+       INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
+       INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
+       INTC_VECT(RTC_CUI, 0x4c0),
+       INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500),
+       INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540),
+       INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720),
+       INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760),
+       INTC_VECT(WDT, 0x560),
+       INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0),
+};
+
+static struct intc_group groups[] = {
+       INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
+       INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
+       INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI),
+       INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI),
+       INTC_GROUP(REF, REF_RCMI, REF_ROVI),
+};
+
+static struct intc_prio_reg prio_registers[] = {
+       { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
+       { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } },
+       { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } },
+       { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
+       { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0,
+                                                TMU4, TMU3,
+                                                PCIC1, PCIC0_PCISERR } },
+};
+
+/* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */
+
+static struct intc_vect vectors_dma4[] = {
+       INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
+       INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
+       INTC_VECT(DMAC_DMAE, 0x6c0),
+};
+
+static struct intc_group groups_dma4[] = {
+       INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
+                  DMAC_DMTE3, DMAC_DMAE),
+};
+
+/* SH7750R and SH7751R both have 8-channel DMA controllers */
+
+static struct intc_vect vectors_dma8[] = {
+       INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
+       INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
+       INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0),
+       INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0),
+       INTC_VECT(DMAC_DMAE, 0x6c0),
+};
+
+static struct intc_group groups_dma8[] = {
+       INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
+                  DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5,
+                  DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE),
+};
+
+/* SH7750R, SH7751 and SH7751R all have two extra timer channels */
+
+static struct intc_vect vectors_tmu34[] = {
+       INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80),
 };
 
-SH7750State *sh7750_init(CPUSH4State * cpu)
+static struct intc_mask_reg mask_registers[] = {
+       { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
+         { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+           0, 0, 0, 0, 0, 0, TMU4, TMU3,
+           PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
+           PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2,
+           PCIC1_PCIDMA3, PCIC0_PCISERR } },
+};
+
+/* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */
+
+static struct intc_vect vectors_irlm[] = {
+       INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
+       INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
+};
+
+/* SH7751 and SH7751R both have PCI */
+
+static struct intc_vect vectors_pci[] = {
+       INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0),
+       INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0),
+       INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60),
+       INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20),
+};
+
+static struct intc_group groups_pci[] = {
+       INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
+                  PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3),
+};
+
+static struct intc_vect vectors_irl[] = {
+       INTC_VECT(IRL_0, 0x200),
+       INTC_VECT(IRL_1, 0x220),
+       INTC_VECT(IRL_2, 0x240),
+       INTC_VECT(IRL_3, 0x260),
+       INTC_VECT(IRL_4, 0x280),
+       INTC_VECT(IRL_5, 0x2a0),
+       INTC_VECT(IRL_6, 0x2c0),
+       INTC_VECT(IRL_7, 0x2e0),
+       INTC_VECT(IRL_8, 0x300),
+       INTC_VECT(IRL_9, 0x320),
+       INTC_VECT(IRL_A, 0x340),
+       INTC_VECT(IRL_B, 0x360),
+       INTC_VECT(IRL_C, 0x380),
+       INTC_VECT(IRL_D, 0x3a0),
+       INTC_VECT(IRL_E, 0x3c0),
+};
+
+static struct intc_group groups_irl[] = {
+       INTC_GROUP(IRL, IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6,
+               IRL_7, IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E),
+};
+
+/**********************************************************************
+ Memory mapped cache and TLB
+**********************************************************************/
+
+#define MM_REGION_MASK   0x07000000
+#define MM_ICACHE_ADDR   (0)
+#define MM_ICACHE_DATA   (1)
+#define MM_ITLB_ADDR     (2)
+#define MM_ITLB_DATA     (3)
+#define MM_OCACHE_ADDR   (4)
+#define MM_OCACHE_DATA   (5)
+#define MM_UTLB_ADDR     (6)
+#define MM_UTLB_DATA     (7)
+#define MM_REGION_TYPE(addr)  ((addr & MM_REGION_MASK) >> 24)
+
+static uint64_t invalid_read(void *opaque, hwaddr addr)
+{
+    abort();
+
+    return 0;
+}
+
+static uint64_t sh7750_mmct_read(void *opaque, hwaddr addr,
+                                 unsigned size)
+{
+    SH7750State *s = opaque;
+    uint32_t ret = 0;
+
+    if (size != 4) {
+        return invalid_read(opaque, addr);
+    }
+
+    switch (MM_REGION_TYPE(addr)) {
+    case MM_ICACHE_ADDR:
+    case MM_ICACHE_DATA:
+        /* do nothing */
+       break;
+    case MM_ITLB_ADDR:
+        ret = cpu_sh4_read_mmaped_itlb_addr(s->cpu, addr);
+        break;
+    case MM_ITLB_DATA:
+        ret = cpu_sh4_read_mmaped_itlb_data(s->cpu, addr);
+        break;
+    case MM_OCACHE_ADDR:
+    case MM_OCACHE_DATA:
+        /* do nothing */
+       break;
+    case MM_UTLB_ADDR:
+        ret = cpu_sh4_read_mmaped_utlb_addr(s->cpu, addr);
+        break;
+    case MM_UTLB_DATA:
+        ret = cpu_sh4_read_mmaped_utlb_data(s->cpu, addr);
+        break;
+    default:
+        abort();
+    }
+
+    return ret;
+}
+
+static void invalid_write(void *opaque, hwaddr addr,
+                          uint64_t mem_value)
+{
+    abort();
+}
+
+static void sh7750_mmct_write(void *opaque, hwaddr addr,
+                              uint64_t mem_value, unsigned size)
+{
+    SH7750State *s = opaque;
+
+    if (size != 4) {
+        invalid_write(opaque, addr, mem_value);
+    }
+
+    switch (MM_REGION_TYPE(addr)) {
+    case MM_ICACHE_ADDR:
+    case MM_ICACHE_DATA:
+        /* do nothing */
+       break;
+    case MM_ITLB_ADDR:
+        cpu_sh4_write_mmaped_itlb_addr(s->cpu, addr, mem_value);
+        break;
+    case MM_ITLB_DATA:
+        cpu_sh4_write_mmaped_itlb_data(s->cpu, addr, mem_value);
+        abort();
+       break;
+    case MM_OCACHE_ADDR:
+    case MM_OCACHE_DATA:
+        /* do nothing */
+       break;
+    case MM_UTLB_ADDR:
+        cpu_sh4_write_mmaped_utlb_addr(s->cpu, addr, mem_value);
+       break;
+    case MM_UTLB_DATA:
+        cpu_sh4_write_mmaped_utlb_data(s->cpu, addr, mem_value);
+       break;
+    default:
+        abort();
+       break;
+    }
+}
+
+static const MemoryRegionOps sh7750_mmct_ops = {
+    .read = sh7750_mmct_read,
+    .write = sh7750_mmct_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+SH7750State *sh7750_init(CPUSH4State * cpu, MemoryRegion *sysmem)
 {
     SH7750State *s;
-    int sh7750_io_memory;
 
-    s = qemu_mallocz(sizeof(SH7750State));
+    s = g_malloc0(sizeof(SH7750State));
     s->cpu = cpu;
     s->periph_freq = 60000000; /* 60MHz */
-    sh7750_io_memory = cpu_register_io_memory(0,
-                                             sh7750_mem_read,
-                                             sh7750_mem_write, s);
-    cpu_register_physical_memory(0x1c000000, 0x04000000, sh7750_io_memory);
+    memory_region_init_io(&s->iomem, &sh7750_mem_ops, s,
+                          "memory", 0x1fc01000);
+
+    memory_region_init_alias(&s->iomem_1f0, "memory-1f0",
+                             &s->iomem, 0x1f000000, 0x1000);
+    memory_region_add_subregion(sysmem, 0x1f000000, &s->iomem_1f0);
+
+    memory_region_init_alias(&s->iomem_ff0, "memory-ff0",
+                             &s->iomem, 0x1f000000, 0x1000);
+    memory_region_add_subregion(sysmem, 0xff000000, &s->iomem_ff0);
+
+    memory_region_init_alias(&s->iomem_1f8, "memory-1f8",
+                             &s->iomem, 0x1f800000, 0x1000);
+    memory_region_add_subregion(sysmem, 0x1f800000, &s->iomem_1f8);
+
+    memory_region_init_alias(&s->iomem_ff8, "memory-ff8",
+                             &s->iomem, 0x1f800000, 0x1000);
+    memory_region_add_subregion(sysmem, 0xff800000, &s->iomem_ff8);
+
+    memory_region_init_alias(&s->iomem_1fc, "memory-1fc",
+                             &s->iomem, 0x1fc00000, 0x1000);
+    memory_region_add_subregion(sysmem, 0x1fc00000, &s->iomem_1fc);
+
+    memory_region_init_alias(&s->iomem_ffc, "memory-ffc",
+                             &s->iomem, 0x1fc00000, 0x1000);
+    memory_region_add_subregion(sysmem, 0xffc00000, &s->iomem_ffc);
+
+    memory_region_init_io(&s->mmct_iomem, &sh7750_mmct_ops, s,
+                          "cache-and-tlb", 0x08000000);
+    memory_region_add_subregion(sysmem, 0xf0000000, &s->mmct_iomem);
+
+    sh_intc_init(sysmem, &s->intc, NR_SOURCES,
+                _INTC_ARRAY(mask_registers),
+                _INTC_ARRAY(prio_registers));
+
+    sh_intc_register_sources(&s->intc,
+                            _INTC_ARRAY(vectors),
+                            _INTC_ARRAY(groups));
+
+    cpu->intc_handle = &s->intc;
+
+    sh_serial_init(sysmem, 0x1fe00000,
+                   0, s->periph_freq, serial_hds[0],
+                   s->intc.irqs[SCI1_ERI],
+                   s->intc.irqs[SCI1_RXI],
+                   s->intc.irqs[SCI1_TXI],
+                   s->intc.irqs[SCI1_TEI],
+                   NULL);
+    sh_serial_init(sysmem, 0x1fe80000,
+                   SH_SERIAL_FEAT_SCIF,
+                   s->periph_freq, serial_hds[1],
+                   s->intc.irqs[SCIF_ERI],
+                   s->intc.irqs[SCIF_RXI],
+                   s->intc.irqs[SCIF_TXI],
+                   NULL,
+                   s->intc.irqs[SCIF_BRI]);
+
+    tmu012_init(sysmem, 0x1fd80000,
+               TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
+               s->periph_freq,
+               s->intc.irqs[TMU0],
+               s->intc.irqs[TMU1],
+               s->intc.irqs[TMU2_TUNI],
+               s->intc.irqs[TMU2_TICPI]);
+
+    if (cpu->id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
+        sh_intc_register_sources(&s->intc,
+                                _INTC_ARRAY(vectors_dma4),
+                                _INTC_ARRAY(groups_dma4));
+    }
 
-    sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0]);
-    sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
-                  s->periph_freq, serial_hds[1]);
+    if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
+        sh_intc_register_sources(&s->intc,
+                                _INTC_ARRAY(vectors_dma8),
+                                _INTC_ARRAY(groups_dma8));
+    }
 
-    tmu012_init(0x1fd80000,
-               TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
-               s->periph_freq);
-    tmu012_init(0x1e100000, 0, s->periph_freq);
+    if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
+        sh_intc_register_sources(&s->intc,
+                                _INTC_ARRAY(vectors_tmu34),
+                                NULL, 0);
+        tmu012_init(sysmem, 0x1e100000, 0, s->periph_freq,
+                   s->intc.irqs[TMU3],
+                   s->intc.irqs[TMU4],
+                   NULL, NULL);
+    }
+
+    if (cpu->id & (SH_CPU_SH7751_ALL)) {
+        sh_intc_register_sources(&s->intc,
+                                _INTC_ARRAY(vectors_pci),
+                                _INTC_ARRAY(groups_pci));
+    }
+
+    if (cpu->id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
+        sh_intc_register_sources(&s->intc,
+                                _INTC_ARRAY(vectors_irlm),
+                                NULL, 0);
+    }
+
+    sh_intc_register_sources(&s->intc,
+                               _INTC_ARRAY(vectors_irl),
+                               _INTC_ARRAY(groups_irl));
     return s;
 }
+
+qemu_irq sh7750_irl(SH7750State *s)
+{
+    sh_intc_toggle_source(sh_intc_source(&s->intc, IRL), 1, 0); /* enable */
+    return qemu_allocate_irqs(sh_intc_set_irl, sh_intc_source(&s->intc, IRL),
+                               1)[0];
+}