diff options
Diffstat (limited to 'hw/sh7750.c')
-rw-r--r-- | hw/sh7750.c | 223 |
1 files changed, 178 insertions, 45 deletions
diff --git a/hw/sh7750.c b/hw/sh7750.c index bd3d31e361..4b2b515b7a 100644 --- a/hw/sh7750.c +++ b/hw/sh7750.c @@ -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 @@ -26,6 +27,7 @@ #include "vl.h" #include "sh7750_regs.h" #include "sh7750_regnames.h" +#include "sh_intc.h" #define NB_DEVICES 4 @@ -53,15 +55,10 @@ typedef struct SH7750State { sh7750_io_device *devices[NB_DEVICES]; /* External peripherals */ uint16_t icr; - uint16_t ipra; - uint16_t iprb; - uint16_t iprc; - uint16_t iprd; - uint32_t intpri00; - uint32_t intmsk00; /* Cache */ uint32_t ccr; + struct intc_desc intc; } SH7750State; @@ -219,14 +216,6 @@ static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr) return portb_lines(s); case 0x1fd00000: return s->icr; - case 0x1fd00004: - return s->ipra; - case 0x1fd00008: - return s->iprb; - case 0x1fd0000c: - return s->iprc; - case 0x1fd00010: - return s->iprd; default: error_access("word read", addr); assert(0); @@ -262,14 +251,6 @@ static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr) return 0x00110000; /* Minimum caches */ case 0x1f000044: /* Processor version PRR */ return 0x00000100; /* SH7750R */ - case 0x1e080000: - return s->intpri00; - case 0x1e080020: - return 0; - case 0x1e080040: - return s->intmsk00; - case 0x1e080060: - return 0; default: error_access("long read", addr); assert(0); @@ -331,18 +312,6 @@ static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr, case 0x1fd00000: s->icr = mem_value; return; - case 0x1fd00004: - s->ipra = mem_value; - return; - case 0x1fd00008: - s->iprb = mem_value; - return; - case 0x1fd0000c: - s->iprc = mem_value; - return; - case 0x1fd00010: - s->iprd = mem_value; - return; default: error_access("word write", addr); assert(0); @@ -407,16 +376,6 @@ static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr, case SH7750_CCR_A7: s->ccr = mem_value; return; - case 0x1e080000: - s->intpri00 = mem_value; - return; - case 0x1e080020: - return; - case 0x1e080040: - s->intmsk00 = mem_value; - return; - case 0x1e080060: - return; default: error_access("long write", addr); assert(0); @@ -435,10 +394,144 @@ static CPUWriteMemoryFunc *sh7750_mem_write[] = { 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 */ + IRL0, IRL1, IRL2, IRL3, /* only IRLM mode supported */ + 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, + + 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), +}; + +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), +}; + +#define SH_CPU_SH7750 (1 << 0) +#define SH_CPU_SH7750S (1 << 1) +#define SH_CPU_SH7750R (1 << 2) +#define SH_CPU_SH7751 (1 << 3) +#define SH_CPU_SH7751R (1 << 4) +#define SH_CPU_SH7750_ALL (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7750R) +#define SH_CPU_SH7751_ALL (SH_CPU_SH7751 | SH_CPU_SH7751R) + SH7750State *sh7750_init(CPUSH4State * cpu) { SH7750State *s; int sh7750_io_memory; + int cpu_model = SH_CPU_SH7751R; /* for now */ s = qemu_mallocz(sizeof(SH7750State)); s->cpu = cpu; @@ -448,6 +541,14 @@ SH7750State *sh7750_init(CPUSH4State * cpu) sh7750_mem_write, s); cpu_register_physical_memory(0x1c000000, 0x04000000, sh7750_io_memory); + sh_intc_init(&s->intc, NR_SOURCES, + _INTC_ARRAY(mask_registers), + _INTC_ARRAY(prio_registers)); + + sh_intc_register_sources(&s->intc, + _INTC_ARRAY(vectors), + _INTC_ARRAY(groups)); + 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]); @@ -455,6 +556,38 @@ SH7750State *sh7750_init(CPUSH4State * cpu) tmu012_init(0x1fd80000, TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK, s->periph_freq); - tmu012_init(0x1e100000, 0, s->periph_freq); + + + if (cpu_model & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) { + sh_intc_register_sources(&s->intc, + _INTC_ARRAY(vectors_dma4), + _INTC_ARRAY(groups_dma4)); + } + + if (cpu_model & (SH_CPU_SH7750R | SH_CPU_SH7751R)) { + sh_intc_register_sources(&s->intc, + _INTC_ARRAY(vectors_dma8), + _INTC_ARRAY(groups_dma8)); + } + + if (cpu_model & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) { + sh_intc_register_sources(&s->intc, + _INTC_ARRAY(vectors_tmu34), + _INTC_ARRAY(NULL)); + tmu012_init(0x1e100000, 0, s->periph_freq); + } + + if (cpu_model & (SH_CPU_SH7751_ALL)) { + sh_intc_register_sources(&s->intc, + _INTC_ARRAY(vectors_pci), + _INTC_ARRAY(groups_pci)); + } + + if (cpu_model & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) { + sh_intc_register_sources(&s->intc, + _INTC_ARRAY(vectors_irlm), + _INTC_ARRAY(NULL)); + } + return s; } |