/* * Intel XScale PXA255/270 processor support. * * Copyright (c) 2006 Openedhand Ltd. * Written by Andrzej Zaborowski * * This code is licensed under the GPL. */ #include "qemu/osdep.h" #include "qapi/error.h" #include "qemu-common.h" #include "cpu.h" #include "hw/sysbus.h" #include "hw/arm/pxa.h" #include "sysemu/sysemu.h" #include "hw/char/serial.h" #include "hw/i2c/i2c.h" #include "hw/ssi/ssi.h" #include "sysemu/char.h" #include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "qemu/cutils.h" static struct { hwaddr io_base; int irqn; } pxa255_serial[] = { { 0x40100000, PXA2XX_PIC_FFUART }, { 0x40200000, PXA2XX_PIC_BTUART }, { 0x40700000, PXA2XX_PIC_STUART }, { 0x41600000, PXA25X_PIC_HWUART }, { 0, 0 } }, pxa270_serial[] = { { 0x40100000, PXA2XX_PIC_FFUART }, { 0x40200000, PXA2XX_PIC_BTUART }, { 0x40700000, PXA2XX_PIC_STUART }, { 0, 0 } }; typedef struct PXASSPDef { hwaddr io_base; int irqn; } PXASSPDef; #if 0 static PXASSPDef pxa250_ssp[] = { { 0x41000000, PXA2XX_PIC_SSP }, { 0, 0 } }; #endif static PXASSPDef pxa255_ssp[] = { { 0x41000000, PXA2XX_PIC_SSP }, { 0x41400000, PXA25X_PIC_NSSP }, { 0, 0 } }; #if 0 static PXASSPDef pxa26x_ssp[] = { { 0x41000000, PXA2XX_PIC_SSP }, { 0x41400000, PXA25X_PIC_NSSP }, { 0x41500000, PXA26X_PIC_ASSP }, { 0, 0 } }; #endif static PXASSPDef pxa27x_ssp[] = { { 0x41000000, PXA2XX_PIC_SSP }, { 0x41700000, PXA27X_PIC_SSP2 }, { 0x41900000, PXA2XX_PIC_SSP3 }, { 0, 0 } }; #define PMCR 0x00 /* Power Manager Control register */ #define PSSR 0x04 /* Power Manager Sleep Status register */ #define PSPR 0x08 /* Power Manager Scratch-Pad register */ #define PWER 0x0c /* Power Manager Wake-Up Enable register */ #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */ #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */ #define PEDR 0x18 /* Power Manager Edge-Detect Status register */ #define PCFR 0x1c /* Power Manager General Configuration register */ #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */ #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */ #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */ #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */ #define RCSR 0x30 /* Reset Controller Status register */ #define PSLR 0x34 /* Power Manager Sleep Configuration register */ #define PTSR 0x38 /* Power Manager Standby Configuration register */ #define PVCR 0x40 /* Power Manager Voltage Change Control register */ #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */ #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */ #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */ #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */ #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */ static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxState *s = (PXA2xxState *) opaque; switch (addr) { case PMCR ... PCMD31: if (addr & 3) goto fail; return s->pm_regs[addr >> 2]; default: fail: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } return 0; } static void pxa2xx_pm_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { PXA2xxState *s = (PXA2xxState *) opaque; switch (addr) { case PMCR: /* Clear the write-one-to-clear bits... */ s->pm_regs[addr >> 2] &= ~(value & 0x2a); /* ...and set the plain r/w bits */ s->pm_regs[addr >> 2] &= ~0x15; s->pm_regs[addr >> 2] |= value & 0x15; break; case PSSR: /* Read-clean registers */ case RCSR: case PKSR: s->pm_regs[addr >> 2] &= ~value; break; default: /* Read-write registers */ if (!(addr & 3)) { s->pm_regs[addr >> 2] = value; break; } printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } } static const MemoryRegionOps pxa2xx_pm_ops = { .read = pxa2xx_pm_read, .write = pxa2xx_pm_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static const VMStateDescription vmstate_pxa2xx_pm = { .name = "pxa2xx_pm", .version_id = 0, .minimum_version_id = 0, .fields = (VMStateField[]) { VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40), VMSTATE_END_OF_LIST() } }; #define CCCR 0x00 /* Core Clock Configuration register */ #define CKEN 0x04 /* Clock Enable register */ #define OSCC 0x08 /* Oscillator Configuration register */ #define CCSR 0x0c /* Core Clock Status register */ static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxState *s = (PXA2xxState *) opaque; switch (addr) { case CCCR: case CKEN: case OSCC: return s->cm_regs[addr >> 2]; case CCSR: return s->cm_regs[CCCR >> 2] | (3 << 28); default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } return 0; } static void pxa2xx_cm_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { PXA2xxState *s = (PXA2xxState *) opaque; switch (addr) { case CCCR: case CKEN: s->cm_regs[addr >> 2] = value; break; case OSCC: s->cm_regs[addr >> 2] &= ~0x6c; s->cm_regs[addr >> 2] |= value & 0x6e; if ((value >> 1) & 1) /* OON */ s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */ break; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } } static const MemoryRegionOps pxa2xx_cm_ops = { .read = pxa2xx_cm_read, .write = pxa2xx_cm_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static const VMStateDescription vmstate_pxa2xx_cm = { .name = "pxa2xx_cm", .version_id = 0, .minimum_version_id = 0, .fields = (VMStateField[]) { VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4), VMSTATE_UINT32(clkcfg, PXA2xxState), VMSTATE_UINT32(pmnc, PXA2xxState), VMSTATE_END_OF_LIST() } }; static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri) { PXA2xxState *s = (PXA2xxState *)ri->opaque; return s->clkcfg; } static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { PXA2xxState *s = (PXA2xxState *)ri->opaque; s->clkcfg = value & 0xf; if (value & 2) { printf("%s: CPU frequency change attempt\n", __func__); } } static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { PXA2xxState *s = (PXA2xxState *)ri->opaque; static const char *pwrmode[8] = { "Normal", "Idle", "Deep-idle", "Standby", "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep", }; if (value & 8) { printf("%s: CPU voltage change attempt\n", __func__); } switch (value & 7) { case 0: /* Do nothing */ break; case 1: /* Idle */ if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */ cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT); break; } /* Fall through. */ case 2: /* Deep-Idle */ cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT); s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */ goto message; case 3: s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC; s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I; s->cpu->env.cp15.sctlr_ns = 0; s->cpu->env.cp15.cpacr_el1 = 0; s->cpu->env.cp15.ttbr0_el[1] = 0; s->cpu->env.cp15.dacr_ns = 0; s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */ s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */ /* * The scratch-pad register is almost universally used * for storing the return address on suspend. For the * lack of a resuming bootloader, perform a jump * directly to that address. */ memset(s->cpu->env.regs, 0, 4 * 15); s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2]; #if 0 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */ cpu_physical_memory_write(0, &buffer, 4); buffer = s->pm_regs[PSPR >> 2]; cpu_physical_memory_write(8, &buffer, 4); #endif /* Suspend */ cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT); goto message; default: message: printf("%s: machine entered %s mode\n", __func__, pwrmode[value & 7]); } } static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri) { PXA2xxState *s = (PXA2xxState *)ri->opaque; return s->pmnc; } static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { PXA2xxState *s = (PXA2xxState *)ri->opaque; s->pmnc = value; } static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri) { PXA2xxState *s = (PXA2xxState *)ri->opaque; if (s->pmnc & 1) { return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); } else { return 0; } } static const ARMCPRegInfo pxa_cp_reginfo[] = { /* cp14 crm==1: perf registers */ { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_IO, .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write }, { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_IO, .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore }, { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, /* cp14 crm==2: performance count registers */ { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, /* cp14 crn==6: CLKCFG */ { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_IO, .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write }, /* cp14 crn==7: PWRMODE */ { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_IO, .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write }, REGINFO_SENTINEL }; static void pxa2xx_setup_cp14(PXA2xxState *s) { define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s); } #define MDCNFG 0x00 /* SDRAM Configuration register */ #define MDREFR 0x04 /* SDRAM Refresh Control register */ #define MSC0 0x08 /* Static Memory Control register 0 */ #define MSC1 0x0c /* Static Memory Control register 1 */ #define MSC2 0x10 /* Static Memory Control register 2 */ #define MECR 0x14 /* Expansion Memory Bus Config register */ #define SXCNFG 0x1c /* Synchronous Static Memory Config register */ #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */ #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */ #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */ #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */ #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */ #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */ #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */ #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */ #define ARB_CNTL 0x48 /* Arbiter Control register */ #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */ #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */ #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */ #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */ #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */ #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */ #define SA1110 0x64 /* SA-1110 Memory Compatibility register */ static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxState *s = (PXA2xxState *) opaque; switch (addr) { case MDCNFG ... SA1110: if ((addr & 3) == 0) return s->mm_regs[addr >> 2]; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } return 0; } static void pxa2xx_mm_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { PXA2xxState *s = (PXA2xxState *) opaque; switch (addr) { case MDCNFG ... SA1110: if ((addr & 3) == 0) { s->mm_regs[addr >> 2] = value; break; } default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } } static const MemoryRegionOps pxa2xx_mm_ops = { .read = pxa2xx_mm_read, .write = pxa2xx_mm_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static const VMStateDescription vmstate_pxa2xx_mm = { .name = "pxa2xx_mm", .version_id = 0, .minimum_version_id = 0, .fields = (VMStateField[]) { VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a), VMSTATE_END_OF_LIST() } }; #define TYPE_PXA2XX_SSP "pxa2xx-ssp" #define PXA2XX_SSP(obj) \ OBJECT_CHECK(PXA2xxSSPState, (obj), TYPE_PXA2XX_SSP) /* Synchronous Serial Ports */ typedef struct { /*< private >*/ SysBusDevice parent_obj; /*< public >*/ MemoryRegion iomem; qemu_irq irq; uint32_t enable; SSIBus *bus; uint32_t sscr[2]; uint32_t sspsp; uint32_t ssto; uint32_t ssitr; uint32_t sssr; uint8_t sstsa; uint8_t ssrsa; uint8_t ssacd; uint32_t rx_fifo[16]; uint32_t rx_level; uint32_t rx_start; } PXA2xxSSPState; static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id) { PXA2xxSSPState *s = opaque; return s->rx_start < sizeof(s->rx_fifo); } static const VMStateDescription vmstate_pxa2xx_ssp = { .name = "pxa2xx-ssp", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(enable, PXA2xxSSPState), VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2), VMSTATE_UINT32(sspsp, PXA2xxSSPState), VMSTATE_UINT32(ssto, PXA2xxSSPState), VMSTATE_UINT32(ssitr, PXA2xxSSPState), VMSTATE_UINT32(sssr, PXA2xxSSPState), VMSTATE_UINT8(sstsa, PXA2xxSSPState), VMSTATE_UINT8(ssrsa, PXA2xxSSPState), VMSTATE_UINT8(ssacd, PXA2xxSSPState), VMSTATE_UINT32(rx_level, PXA2xxSSPState), VMSTATE_UINT32(rx_start, PXA2xxSSPState), VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate), VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16), VMSTATE_END_OF_LIST() } }; #define SSCR0 0x00 /* SSP Control register 0 */ #define SSCR1 0x04 /* SSP Control register 1 */ #define SSSR 0x08 /* SSP Status register */ #define SSITR 0x0c /* SSP Interrupt Test register */ #define SSDR 0x10 /* SSP Data register */ #define SSTO 0x28 /* SSP Time-Out register */ #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */ #define SSTSA 0x30 /* SSP TX Time Slot Active register */ #define SSRSA 0x34 /* SSP RX Time Slot Active register */ #define SSTSS 0x38 /* SSP Time Slot Status register */ #define SSACD 0x3c /* SSP Audio Clock Divider register */ /* Bitfields for above registers */ #define SSCR0_SPI(x) (((x) & 0x30) == 0x00) #define SSCR0_SSP(x) (((x) & 0x30) == 0x10) #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20) #define SSCR0_PSP(x) (((x) & 0x30) == 0x30) #define SSCR0_SSE (1 << 7) #define SSCR0_RIM (1 << 22) #define SSCR0_TIM (1 << 23) #define SSCR0_MOD (1U << 31) #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1) #define SSCR1_RIE (1 << 0) #define SSCR1_TIE (1 << 1) #define SSCR1_LBM (1 << 2) #define SSCR1_MWDS (1 << 5) #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1) #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1) #define SSCR1_EFWR (1 << 14) #define SSCR1_PINTE (1 << 18) #define SSCR1_TINTE (1 << 19) #define SSCR1_RSRE (1 << 20) #define SSCR1_TSRE (1 << 21) #define SSCR1_EBCEI (1 << 29) #define SSITR_INT (7 << 5) #define SSSR_TNF (1 << 2) #define SSSR_RNE (1 << 3) #define SSSR_TFS (1 << 5) #define SSSR_RFS (1 << 6) #define SSSR_ROR (1 << 7) #define SSSR_PINT (1 << 18) #define SSSR_TINT (1 << 19) #define SSSR_EOC (1 << 20) #define SSSR_TUR (1 << 21) #define SSSR_BCE (1 << 23) #define SSSR_RW 0x00bc0080 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s) { int level = 0; level |= s->ssitr & SSITR_INT; level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI); level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM); level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT)); level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE); level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE); level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM); level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE); level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE); qemu_set_irq(s->irq, !!level); } static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s) { s->sssr &= ~(0xf << 12); /* Clear RFL */ s->sssr &= ~(0xf << 8); /* Clear TFL */ s->sssr &= ~SSSR_TFS; s->sssr &= ~SSSR_TNF; if (s->enable) { s->sssr |= ((s->rx_level - 1) & 0xf) << 12; if (s->rx_level >= SSCR1_RFT(s->sscr[1])) s->sssr |= SSSR_RFS; else s->sssr &= ~SSSR_RFS; if (s->rx_level) s->sssr |= SSSR_RNE; else s->sssr &= ~SSSR_RNE; /* TX FIFO is never filled, so it is always in underrun condition if SSP is enabled */ s->sssr |= SSSR_TFS; s->sssr |= SSSR_TNF; } pxa2xx_ssp_int_update(s); } static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; uint32_t retval; switch (addr) { case SSCR0: return s->sscr[0]; case SSCR1: return s->sscr[1]; case SSPSP: return s->sspsp; case SSTO: return s->ssto; case SSITR: return s->ssitr; case SSSR: return s->sssr | s->ssitr; case SSDR: if (!s->enable) return 0xffffffff; if (s->rx_level < 1) { printf("%s: SSP Rx Underrun\n", __FUNCTION__); return 0xffffffff; } s->rx_level --; retval = s->rx_fifo[s->rx_start ++]; s->rx_start &= 0xf; pxa2xx_ssp_fifo_update(s); return retval; case SSTSA: return s->sstsa; case SSRSA: return s->ssrsa; case SSTSS: return 0; case SSACD: return s->ssacd; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } return 0; } static void pxa2xx_ssp_write(void *opaque, hwaddr addr, uint64_t value64, unsigned size) { PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; uint32_t value = value64; switch (addr) { case SSCR0: s->sscr[0] = value & 0xc7ffffff; s->enable = value & SSCR0_SSE; if (value & SSCR0_MOD) printf("%s: Attempt to use network mode\n", __FUNCTION__); if (s->enable && SSCR0_DSS(value) < 4) printf("%s: Wrong data size: %i bits\n", __FUNCTION__, SSCR0_DSS(value)); if (!(value & SSCR0_SSE)) { s->sssr = 0; s->ssitr = 0; s->rx_level = 0; } pxa2xx_ssp_fifo_update(s); break; case SSCR1: s->sscr[1] = value; if (value & (SSCR1_LBM | SSCR1_EFWR)) printf("%s: Attempt to use SSP test mode\n", __FUNCTION__); pxa2xx_ssp_fifo_update(s); break; case SSPSP: s->sspsp = value; break; case SSTO: s->ssto = value; break; case SSITR: s->ssitr = value & SSITR_INT; pxa2xx_ssp_int_update(s); break; case SSSR: s->sssr &= ~(value & SSSR_RW); pxa2xx_ssp_int_update(s); break; case SSDR: if (SSCR0_UWIRE(s->sscr[0])) { if (s->sscr[1] & SSCR1_MWDS) value &= 0xffff; else value &= 0xff; } else /* Note how 32bits overflow does no harm here */ value &= (1 << SSCR0_DSS(s->sscr[0])) - 1; /* Data goes from here to the Tx FIFO and is shifted out from * there directly to the slave, no need to buffer it. */ if (s->enable) { uint32_t readval; readval = ssi_transfer(s->bus, value); if (s->rx_level < 0x10) { s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval; } else { s->sssr |= SSSR_ROR; } } pxa2xx_ssp_fifo_update(s); break; case SSTSA: s->sstsa = value; break; case SSRSA: s->ssrsa = value; break; case SSACD: s->ssacd = value; break; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } } static const MemoryRegionOps pxa2xx_ssp_ops = { .read = pxa2xx_ssp_read, .write = pxa2xx_ssp_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static void pxa2xx_ssp_reset(DeviceState *d) { PXA2xxSSPState *s = PXA2XX_SSP(d); s->enable = 0; s->sscr[0] = s->sscr[1] = 0; s->sspsp = 0; s->ssto = 0; s->ssitr = 0; s->sssr = 0; s->sstsa = 0; s->ssrsa = 0; s->ssacd = 0; s->rx_start = s->rx_level = 0; } static int pxa2xx_ssp_init(SysBusDevice *sbd) { DeviceState *dev = DEVICE(sbd); PXA2xxSSPState *s = PXA2XX_SSP(dev); sysbus_init_irq(sbd, &s->irq); memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_ssp_ops, s, "pxa2xx-ssp", 0x1000); sysbus_init_mmio(sbd, &s->iomem); s->bus = ssi_create_bus(dev, "ssi"); return 0; } /* Real-Time Clock */ #define RCNR 0x00 /* RTC Counter register */ #define RTAR 0x04 /* RTC Alarm register */ #define RTSR 0x08 /* RTC Status register */ #define RTTR 0x0c /* RTC Timer Trim register */ #define RDCR 0x10 /* RTC Day Counter register */ #define RYCR 0x14 /* RTC Year Counter register */ #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */ #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */ #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */ #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */ #define SWCR 0x28 /* RTC Stopwatch Counter register */ #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */ #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */ #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */ #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */ #define TYPE_PXA2XX_RTC "pxa2xx_rtc" #define PXA2XX_RTC(obj) \ OBJECT_CHECK(PXA2xxRTCState, (obj), TYPE_PXA2XX_RTC) typedef struct { /*< private >*/ SysBusDevice parent_obj; /*< public >*/ MemoryRegion iomem; uint32_t rttr; uint32_t rtsr; uint32_t rtar; uint32_t rdar1; uint32_t rdar2; uint32_t ryar1; uint32_t ryar2; uint32_t swar1; uint32_t swar2; uint32_t piar; uint32_t last_rcnr; uint32_t last_rdcr; uint32_t last_rycr; uint32_t last_swcr; uint32_t last_rtcpicr; int64_t last_hz; int64_t last_sw; int64_t last_pi; QEMUTimer *rtc_hz; QEMUTimer *rtc_rdal1; QEMUTimer *rtc_rdal2; QEMUTimer *rtc_swal1; QEMUTimer *rtc_swal2; QEMUTimer *rtc_pi; qemu_irq rtc_irq; } PXA2xxRTCState; static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s) { qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553)); } static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s) { int64_t rt = qemu_clock_get_ms(rtc_clock); s->last_rcnr += ((rt - s->last_hz) << 15) / (1000 * ((s->rttr & 0xffff) + 1)); s->last_rdcr += ((rt - s->last_hz) << 15) / (1000 * ((s->rttr & 0xffff) + 1)); s->last_hz = rt; } static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s) { int64_t rt = qemu_clock_get_ms(rtc_clock); if (s->rtsr & (1 << 12)) s->last_swcr += (rt - s->last_sw) / 10; s->last_sw = rt; } static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s) { int64_t rt = qemu_clock_get_ms(rtc_clock); if (s->rtsr & (1 << 15)) s->last_swcr += rt - s->last_pi; s->last_pi = rt; } static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s, uint32_t rtsr) { if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0))) timer_mod(s->rtc_hz, s->last_hz + (((s->rtar - s->last_rcnr) * 1000 * ((s->rttr & 0xffff) + 1)) >> 15)); else timer_del(s->rtc_hz); if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4))) timer_mod(s->rtc_rdal1, s->last_hz + (((s->rdar1 - s->last_rdcr) * 1000 * ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */ else timer_del(s->rtc_rdal1); if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6))) timer_mod(s->rtc_rdal2, s->last_hz + (((s->rdar2 - s->last_rdcr) * 1000 * ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */ else timer_del(s->rtc_rdal2); if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8))) timer_mod(s->rtc_swal1, s->last_sw + (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */ else timer_del(s->rtc_swal1); if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10))) timer_mod(s->rtc_swal2, s->last_sw + (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */ else timer_del(s->rtc_swal2); if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13))) timer_mod(s->rtc_pi, s->last_pi + (s->piar & 0xffff) - s->last_rtcpicr); else timer_del(s->rtc_pi); } static inline void pxa2xx_rtc_hz_tick(void *opaque) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 0); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); } static inline void pxa2xx_rtc_rdal1_tick(void *opaque) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 4); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); } static inline void pxa2xx_rtc_rdal2_tick(void *opaque) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 6); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); } static inline void pxa2xx_rtc_swal1_tick(void *opaque) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 8); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); } static inline void pxa2xx_rtc_swal2_tick(void *opaque) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 10); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); } static inline void pxa2xx_rtc_pi_tick(void *opaque) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 13); pxa2xx_rtc_piupdate(s); s->last_rtcpicr = 0; pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); } static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; switch (addr) { case RTTR: return s->rttr; case RTSR: return s->rtsr; case RTAR: return s->rtar; case RDAR1: return s->rdar1; case RDAR2: return s->rdar2; case RYAR1: return s->ryar1; case RYAR2: return s->ryar2; case SWAR1: return s->swar1; case SWAR2: return s->swar2; case PIAR: return s->piar; case RCNR: return s->last_rcnr + ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) / (1000 * ((s->rttr & 0xffff) + 1)); case RDCR: return s->last_rdcr + ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) / (1000 * ((s->rttr & 0xffff) + 1)); case RYCR: return s->last_rycr; case SWCR: if (s->rtsr & (1 << 12)) return s->last_swcr + (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10; else return s->last_swcr; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } return 0; } static void pxa2xx_rtc_write(void *opaque, hwaddr addr, uint64_t value64, unsigned size) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; uint32_t value = value64; switch (addr) { case RTTR: if (!(s->rttr & (1U << 31))) { pxa2xx_rtc_hzupdate(s); s->rttr = value; pxa2xx_rtc_alarm_update(s, s->rtsr); } break; case RTSR: if ((s->rtsr ^ value) & (1 << 15)) pxa2xx_rtc_piupdate(s); if ((s->rtsr ^ value) & (1 << 12)) pxa2xx_rtc_swupdate(s); if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac)) pxa2xx_rtc_alarm_update(s, value); s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac)); pxa2xx_rtc_int_update(s); break; case RTAR: s->rtar = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case RDAR1: s->rdar1 = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case RDAR2: s->rdar2 = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case RYAR1: s->ryar1 = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case RYAR2: s->ryar2 = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case SWAR1: pxa2xx_rtc_swupdate(s); s->swar1 = value; s->last_swcr = 0; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case SWAR2: s->swar2 = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case PIAR: s->piar = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case RCNR: pxa2xx_rtc_hzupdate(s); s->last_rcnr = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case RDCR: pxa2xx_rtc_hzupdate(s); s->last_rdcr = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case RYCR: s->last_rycr = value; break; case SWCR: pxa2xx_rtc_swupdate(s); s->last_swcr = value; pxa2xx_rtc_alarm_update(s, s->rtsr); break; case RTCPICR: pxa2xx_rtc_piupdate(s); s->last_rtcpicr = value & 0xffff; pxa2xx_rtc_alarm_update(s, s->rtsr); break; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); } } static const MemoryRegionOps pxa2xx_rtc_ops = { .read = pxa2xx_rtc_read, .write = pxa2xx_rtc_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static void pxa2xx_rtc_init(Object *obj) { PXA2xxRTCState *s = PXA2XX_RTC(obj); SysBusDevice *dev = SYS_BUS_DEVICE(obj); struct tm tm; int wom; s->rttr = 0x7fff; s->rtsr = 0; qemu_get_timedate(&tm, 0); wom = ((tm.tm_mday - 1) / 7) + 1; s->last_rcnr = (uint32_t) mktimegm(&tm); s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) | (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec; s->last_rycr = ((tm.tm_year + 1900) << 9) | ((tm.tm_mon + 1) << 5) | tm.tm_mday; s->last_swcr = (tm.tm_hour << 19) | (tm.tm_min << 13) | (tm.tm_sec << 7); s->last_rtcpicr = 0; s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock); s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s); s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s); s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s); s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s); s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s); s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s); sysbus_init_irq(dev, &s->rtc_irq); memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s, "pxa2xx-rtc", 0x10000); sysbus_init_mmio(dev, &s->iomem); } static void pxa2xx_rtc_pre_save(void *opaque) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; pxa2xx_rtc_hzupdate(s); pxa2xx_rtc_piupdate(s); pxa2xx_rtc_swupdate(s); } static int pxa2xx_rtc_post_load(void *opaque, int version_id) { PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; pxa2xx_rtc_alarm_update(s, s->rtsr); return 0; } static const VMStateDescription vmstate_pxa2xx_rtc_regs = { .name = "pxa2xx_rtc", .version_id = 0, .minimum_version_id = 0, .pre_save = pxa2xx_rtc_pre_save, .post_load = pxa2xx_rtc_post_load, .fields = (VMStateField[]) { VMSTATE_UINT32(rttr, PXA2xxRTCState), VMSTATE_UINT32(rtsr, PXA2xxRTCState), VMSTATE_UINT32(rtar, PXA2xxRTCState), VMSTATE_UINT32(rdar1, PXA2xxRTCState), VMSTATE_UINT32(rdar2, PXA2xxRTCState), VMSTATE_UINT32(ryar1, PXA2xxRTCState), VMSTATE_UINT32(ryar2, PXA2xxRTCState), VMSTATE_UINT32(swar1, PXA2xxRTCState), VMSTATE_UINT32(swar2, PXA2xxRTCState), VMSTATE_UINT32(piar, PXA2xxRTCState), VMSTATE_UINT32(last_rcnr, PXA2xxRTCState), VMSTATE_UINT32(last_rdcr, PXA2xxRTCState), VMSTATE_UINT32(last_rycr, PXA2xxRTCState), VMSTATE_UINT32(last_swcr, PXA2xxRTCState), VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState), VMSTATE_INT64(last_hz, PXA2xxRTCState), VMSTATE_INT64(last_sw, PXA2xxRTCState), VMSTATE_INT64(last_pi, PXA2xxRTCState), VMSTATE_END_OF_LIST(), }, }; static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->desc = "PXA2xx RTC Controller"; dc->vmsd = &vmstate_pxa2xx_rtc_regs; } static const TypeInfo pxa2xx_rtc_sysbus_info = { .name = TYPE_PXA2XX_RTC, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(PXA2xxRTCState), .instance_init = pxa2xx_rtc_init, .class_init = pxa2xx_rtc_sysbus_class_init, }; /* I2C Interface */ #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave" #define PXA2XX_I2C_SLAVE(obj) \ OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE) typedef struct PXA2xxI2CSlaveState { I2CSlave parent_obj; PXA2xxI2CState *host; } PXA2xxI2CSlaveState; #define TYPE_PXA2XX_I2C "pxa2xx_i2c" #define PXA2XX_I2C(obj) \ OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C) struct PXA2xxI2CState { /*< private >*/ SysBusDevice parent_obj; /*< public >*/ MemoryRegion iomem; PXA2xxI2CSlaveState *slave; I2CBus *bus; qemu_irq irq; uint32_t offset; uint32_t region_size; uint16_t control; uint16_t status; uint8_t ibmr; uint8_t data; }; #define IBMR 0x80 /* I2C Bus Monitor register */ #define IDBR 0x88 /* I2C Data Buffer register */ #define ICR 0x90 /* I2C Control register */ #define ISR 0x98 /* I2C Status register */ #define ISAR 0xa0 /* I2C Slave Address register */ static void pxa2xx_i2c_update(PXA2xxI2CState *s) { uint16_t level = 0; level |= s->status & s->control & (1 << 10); /* BED */ level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */ level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */ level |= s->status & (1 << 9); /* SAD */ qemu_set_irq(s->irq, !!level); } /* These are only stubs now. */ static void pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event) { PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); PXA2xxI2CState *s = slave->host; switch (event) { case I2C_START_SEND: s->status |= (1 << 9); /* set SAD */ s->status &= ~(1 << 0); /* clear RWM */ break; case I2C_START_RECV: s->status |= (1 << 9); /* set SAD */ s->status |= 1 << 0; /* set RWM */ break; case I2C_FINISH: s->status |= (1 << 4); /* set SSD */ break; case I2C_NACK: s->status |= 1 << 1; /* set ACKNAK */ break; } pxa2xx_i2c_update(s); } static int pxa2xx_i2c_rx(I2CSlave *i2c) { PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); PXA2xxI2CState *s = slave->host; if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) { return 0; } if (s->status & (1 << 0)) { /* RWM */ s->status |= 1 << 6; /* set ITE */ } pxa2xx_i2c_update(s); return s->data; } static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data) { PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); PXA2xxI2CState *s = slave->host; if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) { return 1; } if (!(s->status & (1 << 0))) { /* RWM */ s->status |= 1 << 7; /* set IRF */ s->data = data; } pxa2xx_i2c_update(s); return 1; } static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; I2CSlave *slave; addr -= s->offset; switch (addr) { case ICR: return s->control; case ISR: return s->status | (i2c_bus_busy(s->bus) << 2); case ISAR: slave = I2C_SLAVE(s->slave); return slave->address; case IDBR: return s->data; case IBMR: if (s->status & (1 << 2)) s->ibmr ^= 3; /* Fake SCL and SDA pin changes */ else s->ibmr = 0; return s->ibmr; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } return 0; } static void pxa2xx_i2c_write(void *opaque, hwaddr addr, uint64_t value64, unsigned size) { PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; uint32_t value = value64; int ack; addr -= s->offset; switch (addr) { case ICR: s->control = value & 0xfff7; if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */ /* TODO: slave mode */ if (value & (1 << 0)) { /* START condition */ if (s->data & 1) s->status |= 1 << 0; /* set RWM */ else s->status &= ~(1 << 0); /* clear RWM */ ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1); } else { if (s->status & (1 << 0)) { /* RWM */ s->data = i2c_recv(s->bus); if (value & (1 << 2)) /* ACKNAK */ i2c_nack(s->bus); ack = 1; } else ack = !i2c_send(s->bus, s->data); } if (value & (1 << 1)) /* STOP condition */ i2c_end_transfer(s->bus); if (ack) { if (value & (1 << 0)) /* START condition */ s->status |= 1 << 6; /* set ITE */ else if (s->status & (1 << 0)) /* RWM */ s->status |= 1 << 7; /* set IRF */ else s->status |= 1 << 6; /* set ITE */ s->status &= ~(1 << 1); /* clear ACKNAK */ } else { s->status |= 1 << 6; /* set ITE */ s->status |= 1 << 10; /* set BED */ s->status |= 1 << 1; /* set ACKNAK */ } } if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */ if (value & (1 << 4)) /* MA */ i2c_end_transfer(s->bus); pxa2xx_i2c_update(s); break; case ISR: s->status &= ~(value & 0x07f0); pxa2xx_i2c_update(s); break; case ISAR: i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f); break; case IDBR: s->data = value & 0xff; break; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); } } static const MemoryRegionOps pxa2xx_i2c_ops = { .read = pxa2xx_i2c_read, .write = pxa2xx_i2c_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static const VMStateDescription vmstate_pxa2xx_i2c_slave = { .name = "pxa2xx_i2c_slave", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState), VMSTATE_END_OF_LIST() } }; static const VMStateDescription vmstate_pxa2xx_i2c = { .name = "pxa2xx_i2c", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_UINT16(control, PXA2xxI2CState), VMSTATE_UINT16(status, PXA2xxI2CState), VMSTATE_UINT8(ibmr, PXA2xxI2CState), VMSTATE_UINT8(data, PXA2xxI2CState), VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState, vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState), VMSTATE_END_OF_LIST() } }; static int pxa2xx_i2c_slave_init(I2CSlave *i2c) { /* Nothing to do. */ return 0; } static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data) { I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); k->init = pxa2xx_i2c_slave_init; k->event = pxa2xx_i2c_event; k->recv = pxa2xx_i2c_rx; k->send = pxa2xx_i2c_tx; } static const TypeInfo pxa2xx_i2c_slave_info = { .name = TYPE_PXA2XX_I2C_SLAVE, .parent = TYPE_I2C_SLAVE, .instance_size = sizeof(PXA2xxI2CSlaveState), .class_init = pxa2xx_i2c_slave_class_init, }; PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base, qemu_irq irq, uint32_t region_size) { DeviceState *dev; SysBusDevice *i2c_dev; PXA2xxI2CState *s; I2CBus *i2cbus; dev = qdev_create(NULL, TYPE_PXA2XX_I2C); qdev_prop_set_uint32(dev, "size", region_size + 1); qdev_prop_set_uint32(dev, "offset", base & region_size); qdev_init_nofail(dev); i2c_dev = SYS_BUS_DEVICE(dev); sysbus_mmio_map(i2c_dev, 0, base & ~region_size); sysbus_connect_irq(i2c_dev, 0, irq); s = PXA2XX_I2C(i2c_dev); /* FIXME: Should the slave device really be on a separate bus? */ i2cbus = i2c_init_bus(dev, "dummy"); dev = i2c_create_slave(i2cbus, TYPE_PXA2XX_I2C_SLAVE, 0); s->slave = PXA2XX_I2C_SLAVE(dev); s->slave->host = s; return s; } static void pxa2xx_i2c_initfn(Object *obj) { DeviceState *dev = DEVICE(obj); PXA2xxI2CState *s = PXA2XX_I2C(obj); SysBusDevice *sbd = SYS_BUS_DEVICE(obj); s->bus = i2c_init_bus(dev, NULL); memory_region_init_io(&s->iomem, obj, &pxa2xx_i2c_ops, s, "pxa2xx-i2c", s->region_size); sysbus_init_mmio(sbd, &s->iomem); sysbus_init_irq(sbd, &s->irq); } I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s) { return s->bus; } static Property pxa2xx_i2c_properties[] = { DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000), DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0), DEFINE_PROP_END_OF_LIST(), }; static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->desc = "PXA2xx I2C Bus Controller"; dc->vmsd = &vmstate_pxa2xx_i2c; dc->props = pxa2xx_i2c_properties; } static const TypeInfo pxa2xx_i2c_info = { .name = TYPE_PXA2XX_I2C, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(PXA2xxI2CState), .instance_init = pxa2xx_i2c_initfn, .class_init = pxa2xx_i2c_class_init, }; /* PXA Inter-IC Sound Controller */ static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s) { i2s->rx_len = 0; i2s->tx_len = 0; i2s->fifo_len = 0; i2s->clk = 0x1a; i2s->control[0] = 0x00; i2s->control[1] = 0x00; i2s->status = 0x00; i2s->mask = 0x00; } #define SACR_TFTH(val) ((val >> 8) & 0xf) #define SACR_RFTH(val) ((val >> 12) & 0xf) #define SACR_DREC(val) (val & (1 << 3)) #define SACR_DPRL(val) (val & (1 << 4)) static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s) { int rfs, tfs; rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len && !SACR_DREC(i2s->control[1]); tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) && i2s->enable && !SACR_DPRL(i2s->control[1]); qemu_set_irq(i2s->rx_dma, rfs); qemu_set_irq(i2s->tx_dma, tfs); i2s->status &= 0xe0; if (i2s->fifo_len < 16 || !i2s->enable) i2s->status |= 1 << 0; /* TNF */ if (i2s->rx_len) i2s->status |= 1 << 1; /* RNE */ if (i2s->enable) i2s->status |= 1 << 2; /* BSY */ if (tfs) i2s->status |= 1 << 3; /* TFS */ if (rfs) i2s->status |= 1 << 4; /* RFS */ if (!(i2s->tx_len && i2s->enable)) i2s->status |= i2s->fifo_len << 8; /* TFL */ i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */ qemu_set_irq(i2s->irq, i2s->status & i2s->mask); } #define SACR0 0x00 /* Serial Audio Global Control register */ #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */ #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */ #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */ #define SAICR 0x18 /* Serial Audio Interrupt Clear register */ #define SADIV 0x60 /* Serial Audio Clock Divider register */ #define SADR 0x80 /* Serial Audio Data register */ static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; switch (addr) { case SACR0: return s->control[0]; case SACR1: return s->control[1]; case SASR0: return s->status; case SAIMR: return s->mask; case SAICR: return 0; case SADIV: return s->clk; case SADR: if (s->rx_len > 0) { s->rx_len --; pxa2xx_i2s_update(s); return s->codec_in(s->opaque); } return 0; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } return 0; } static void pxa2xx_i2s_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; uint32_t *sample; switch (addr) { case SACR0: if (value & (1 << 3)) /* RST */ pxa2xx_i2s_reset(s); s->control[0] = value & 0xff3d; if (!s->enable && (value & 1) && s->tx_len) { /* ENB */ for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++) s->codec_out(s->opaque, *sample); s->status &= ~(1 << 7); /* I2SOFF */ } if (value & (1 << 4)) /* EFWR */ printf("%s: Attempt to use special function\n", __FUNCTION__); s->enable = (value & 9) == 1; /* ENB && !RST*/ pxa2xx_i2s_update(s); break; case SACR1: s->control[1] = value & 0x0039; if (value & (1 << 5)) /* ENLBF */ printf("%s: Attempt to use loopback function\n", __FUNCTION__); if (value & (1 << 4)) /* DPRL */ s->fifo_len = 0; pxa2xx_i2s_update(s); break; case SAIMR: s->mask = value & 0x0078; pxa2xx_i2s_update(s); break; case SAICR: s->status &= ~(value & (3 << 5)); pxa2xx_i2s_update(s); break; case SADIV: s->clk = value & 0x007f; break; case SADR: if (s->tx_len && s->enable) { s->tx_len --; pxa2xx_i2s_update(s); s->codec_out(s->opaque, value); } else if (s->fifo_len < 16) { s->fifo[s->fifo_len ++] = value; pxa2xx_i2s_update(s); } break; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); } } static const MemoryRegionOps pxa2xx_i2s_ops = { .read = pxa2xx_i2s_read, .write = pxa2xx_i2s_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static const VMStateDescription vmstate_pxa2xx_i2s = { .name = "pxa2xx_i2s", .version_id = 0, .minimum_version_id = 0, .fields = (VMStateField[]) { VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2), VMSTATE_UINT32(status, PXA2xxI2SState), VMSTATE_UINT32(mask, PXA2xxI2SState), VMSTATE_UINT32(clk, PXA2xxI2SState), VMSTATE_INT32(enable, PXA2xxI2SState), VMSTATE_INT32(rx_len, PXA2xxI2SState), VMSTATE_INT32(tx_len, PXA2xxI2SState), VMSTATE_INT32(fifo_len, PXA2xxI2SState), VMSTATE_END_OF_LIST() } }; static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx) { PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; uint32_t *sample; /* Signal FIFO errors */ if (s->enable && s->tx_len) s->status |= 1 << 5; /* TUR */ if (s->enable && s->rx_len) s->status |= 1 << 6; /* ROR */ /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to * handle the cases where it makes a difference. */ s->tx_len = tx - s->fifo_len; s->rx_len = rx; /* Note that is s->codec_out wasn't set, we wouldn't get called. */ if (s->enable) for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++) s->codec_out(s->opaque, *sample); pxa2xx_i2s_update(s); } static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem, hwaddr base, qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma) { PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1); s->irq = irq; s->rx_dma = rx_dma; s->tx_dma = tx_dma; s->data_req = pxa2xx_i2s_data_req; pxa2xx_i2s_reset(s); memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s, "pxa2xx-i2s", 0x100000); memory_region_add_subregion(sysmem, base, &s->iomem); vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s); return s; } /* PXA Fast Infra-red Communications Port */ #define TYPE_PXA2XX_FIR "pxa2xx-fir" #define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR) struct PXA2xxFIrState { /*< private >*/ SysBusDevice parent_obj; /*< public >*/ MemoryRegion iomem; qemu_irq irq; qemu_irq rx_dma; qemu_irq tx_dma; uint32_t enable; CharBackend chr; uint8_t control[3]; uint8_t status[2]; uint32_t rx_len; uint32_t rx_start; uint8_t rx_fifo[64]; }; static void pxa2xx_fir_reset(DeviceState *d) { PXA2xxFIrState *s = PXA2XX_FIR(d); s->control[0] = 0x00; s->control[1] = 0x00; s->control[2] = 0x00; s->status[0] = 0x00; s->status[1] = 0x00; s->enable = 0; } static inline void pxa2xx_fir_update(PXA2xxFIrState *s) { static const int tresh[4] = { 8, 16, 32, 0 }; int intr = 0; if ((s->control[0] & (1 << 4)) && /* RXE */ s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */ s->status[0] |= 1 << 4; /* RFS */ else s->status[0] &= ~(1 << 4); /* RFS */ if (s->control[0] & (1 << 3)) /* TXE */ s->status[0] |= 1 << 3; /* TFS */ else s->status[0] &= ~(1 << 3); /* TFS */ if (s->rx_len) s->status[1] |= 1 << 2; /* RNE */ else s->status[1] &= ~(1 << 2); /* RNE */ if (s->control[0] & (1 << 4)) /* RXE */ s->status[1] |= 1 << 0; /* RSY */ else s->status[1] &= ~(1 << 0); /* RSY */ intr |= (s->control[0] & (1 << 5)) && /* RIE */ (s->status[0] & (1 << 4)); /* RFS */ intr |= (s->control[0] & (1 << 6)) && /* TIE */ (s->status[0] & (1 << 3)); /* TFS */ intr |= (s->control[2] & (1 << 4)) && /* TRAIL */ (s->status[0] & (1 << 6)); /* EOC */ intr |= (s->control[0] & (1 << 2)) && /* TUS */ (s->status[0] & (1 << 1)); /* TUR */ intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */ qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1); qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1); qemu_set_irq(s->irq, intr && s->enable); } #define ICCR0 0x00 /* FICP Control register 0 */ #define ICCR1 0x04 /* FICP Control register 1 */ #define ICCR2 0x08 /* FICP Control register 2 */ #define ICDR 0x0c /* FICP Data register */ #define ICSR0 0x14 /* FICP Status register 0 */ #define ICSR1 0x18 /* FICP Status register 1 */ #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */ static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; uint8_t ret; switch (addr) { case ICCR0: return s->control[0]; case ICCR1: return s->control[1]; case ICCR2: return s->control[2]; case ICDR: s->status[0] &= ~0x01; s->status[1] &= ~0x72; if (s->rx_len) { s->rx_len --; ret = s->rx_fifo[s->rx_start ++]; s->rx_start &= 63; pxa2xx_fir_update(s); return ret; } printf("%s: Rx FIFO underrun.\n", __FUNCTION__); break; case ICSR0: return s->status[0]; case ICSR1: return s->status[1] | (1 << 3); /* TNF */ case ICFOR: return s->rx_len; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); break; } return 0; } static void pxa2xx_fir_write(void *opaque, hwaddr addr, uint64_t value64, unsigned size) { PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; uint32_t value = value64; uint8_t ch; switch (addr) { case ICCR0: s->control[0] = value; if (!(value & (1 << 4))) /* RXE */ s->rx_len = s->rx_start = 0; if (!(value & (1 << 3))) { /* TXE */ /* Nop */ } s->enable = value & 1; /* ITR */ if (!s->enable) s->status[0] = 0; pxa2xx_fir_update(s); break; case ICCR1: s->control[1] = value; break; case ICCR2: s->control[2] = value & 0x3f; pxa2xx_fir_update(s); break; case ICDR: if (s->control[2] & (1 << 2)) { /* TXP */ ch = value; } else { ch = ~value; } if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */ /* XXX this blocks entire thread. Rewrite to use * qemu_chr_fe_write and background I/O callbacks */ qemu_chr_fe_write_all(&s->chr, &ch, 1); } break; case ICSR0: s->status[0] &= ~(value & 0x66); pxa2xx_fir_update(s); break; case ICFOR: break; default: printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); } } static const MemoryRegionOps pxa2xx_fir_ops = { .read = pxa2xx_fir_read, .write = pxa2xx_fir_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static int pxa2xx_fir_is_empty(void *opaque) { PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; return (s->rx_len < 64); } static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size) { PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; if (!(s->control[0] & (1 << 4))) /* RXE */ return; while (size --) { s->status[1] |= 1 << 4; /* EOF */ if (s->rx_len >= 64) { s->status[1] |= 1 << 6; /* ROR */ break; } if (s->control[2] & (1 << 3)) /* RXP */ s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++); else s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++); } pxa2xx_fir_update(s); } static void pxa2xx_fir_event(void *opaque, int event) { } static void pxa2xx_fir_instance_init(Object *obj) { PXA2xxFIrState *s = PXA2XX_FIR(obj); SysBusDevice *sbd = SYS_BUS_DEVICE(obj); memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s, "pxa2xx-fir", 0x1000); sysbus_init_mmio(sbd, &s->iomem); sysbus_init_irq(sbd, &s->irq); sysbus_init_irq(sbd, &s->rx_dma); sysbus_init_irq(sbd, &s->tx_dma); } static void pxa2xx_fir_realize(DeviceState *dev, Error **errp) { PXA2xxFIrState *s = PXA2XX_FIR(dev); qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty, pxa2xx_fir_rx, pxa2xx_fir_event, s, NULL, true); } static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id) { PXA2xxFIrState *s = opaque; return s->rx_start < ARRAY_SIZE(s->rx_fifo); } static const VMStateDescription pxa2xx_fir_vmsd = { .name = "pxa2xx-fir", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(enable, PXA2xxFIrState), VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3), VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2), VMSTATE_UINT32(rx_len, PXA2xxFIrState), VMSTATE_UINT32(rx_start, PXA2xxFIrState), VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate), VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64), VMSTATE_END_OF_LIST() } }; static Property pxa2xx_fir_properties[] = { DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr), DEFINE_PROP_END_OF_LIST(), }; static void pxa2xx_fir_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = pxa2xx_fir_realize; dc->vmsd = &pxa2xx_fir_vmsd; dc->props = pxa2xx_fir_properties; dc->reset = pxa2xx_fir_reset; } static const TypeInfo pxa2xx_fir_info = { .name = TYPE_PXA2XX_FIR, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(PXA2xxFIrState), .class_init = pxa2xx_fir_class_init, .instance_init = pxa2xx_fir_instance_init, }; static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem, hwaddr base, qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma, CharDriverState *chr) { DeviceState *dev; SysBusDevice *sbd; dev = qdev_create(NULL, TYPE_PXA2XX_FIR); qdev_prop_set_chr(dev, "chardev", chr); qdev_init_nofail(dev); sbd = SYS_BUS_DEVICE(dev); sysbus_mmio_map(sbd, 0, base); sysbus_connect_irq(sbd, 0, irq); sysbus_connect_irq(sbd, 1, rx_dma); sysbus_connect_irq(sbd, 2, tx_dma); return PXA2XX_FIR(dev); } static void pxa2xx_reset(void *opaque, int line, int level) { PXA2xxState *s = (PXA2xxState *) opaque; if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */ cpu_reset(CPU(s->cpu)); /* TODO: reset peripherals */ } } /* Initialise a PXA270 integrated chip (ARM based core). */ PXA2xxState *pxa270_init(MemoryRegion *address_space, unsigned int sdram_size, const char *revision) { PXA2xxState *s; int i; DriveInfo *dinfo; s = g_new0(PXA2xxState, 1); if (revision && strncmp(revision, "pxa27", 5)) { fprintf(stderr, "Machine requires a PXA27x processor.\n"); exit(1); } if (!revision) revision = "pxa270"; s->cpu = cpu_arm_init(revision); if (s->cpu == NULL) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0); /* SDRAM & Internal Memory Storage */ memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size, &error_fatal); vmstate_register_ram_global(&s->sdram); memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram); memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000, &error_fatal); vmstate_register_ram_global(&s->internal); memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE, &s->internal); s->pic = pxa2xx_pic_init(0x40d00000, s->cpu); s->dma = pxa27x_dma_init(0x40000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA)); sysbus_create_varargs("pxa27x-timer", 0x40a00000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3), qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11), NULL); s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121); dinfo = drive_get(IF_SD, 0, 0); if (!dinfo) { fprintf(stderr, "qemu: missing SecureDigital device\n"); exit(1); } s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, blk_by_legacy_dinfo(dinfo), qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); for (i = 0; pxa270_serial[i].io_base; i++) { if (serial_hds[i]) { serial_mm_init(address_space, pxa270_serial[i].io_base, 2, qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn), 14857000 / 16, serial_hds[i], DEVICE_NATIVE_ENDIAN); } else { break; } } if (serial_hds[i]) s->fir = pxa2xx_fir_init(address_space, 0x40800000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP), serial_hds[i]); s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD)); s->cm_base = 0x41300000; s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */ s->clkcfg = 0x00000009; /* Turbo mode active */ memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000); memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); pxa2xx_setup_cp14(s); s->mm_base = 0x48000000; s->mm_regs[MDMRS >> 2] = 0x00020002; s->mm_regs[MDREFR >> 2] = 0x03ca4000; s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000); memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s); s->pm_base = 0x40f00000; memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100); memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s); for (i = 0; pxa27x_ssp[i].io_base; i ++); s->ssp = g_new0(SSIBus *, i); for (i = 0; pxa27x_ssp[i].io_base; i ++) { DeviceState *dev; dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base, qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn)); s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi"); } sysbus_create_simple("sysbus-ohci", 0x4c000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1)); s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000); s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000); sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM)); s->i2c[0] = pxa2xx_i2c_init(0x40301600, qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff); s->i2c[1] = pxa2xx_i2c_init(0x40f00100, qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff); s->i2s = pxa2xx_i2s_init(address_space, 0x40400000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S)); s->kp = pxa27x_keypad_init(address_space, 0x41500000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD)); /* GPIO1 resets the processor */ /* The handler can be overridden by board-specific code */ qdev_connect_gpio_out(s->gpio, 1, s->reset); return s; } /* Initialise a PXA255 integrated chip (ARM based core). */ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size) { PXA2xxState *s; int i; DriveInfo *dinfo; s = g_new0(PXA2xxState, 1); s->cpu = cpu_arm_init("pxa255"); if (s->cpu == NULL) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0); /* SDRAM & Internal Memory Storage */ memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size, &error_fatal); vmstate_register_ram_global(&s->sdram); memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram); memory_region_init_ram(&s->internal, NULL, "pxa255.internal", PXA2XX_INTERNAL_SIZE, &error_fatal); vmstate_register_ram_global(&s->internal); memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE, &s->internal); s->pic = pxa2xx_pic_init(0x40d00000, s->cpu); s->dma = pxa255_dma_init(0x40000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA)); sysbus_create_varargs("pxa25x-timer", 0x40a00000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2), qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3), NULL); s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85); dinfo = drive_get(IF_SD, 0, 0); if (!dinfo) { fprintf(stderr, "qemu: missing SecureDigital device\n"); exit(1); } s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, blk_by_legacy_dinfo(dinfo), qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); for (i = 0; pxa255_serial[i].io_base; i++) { if (serial_hds[i]) { serial_mm_init(address_space, pxa255_serial[i].io_base, 2, qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn), 14745600 / 16, serial_hds[i], DEVICE_NATIVE_ENDIAN); } else { break; } } if (serial_hds[i]) s->fir = pxa2xx_fir_init(address_space, 0x40800000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP), serial_hds[i]); s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD)); s->cm_base = 0x41300000; s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */ s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */ s->clkcfg = 0x00000009; /* Turbo mode active */ memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000); memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); pxa2xx_setup_cp14(s); s->mm_base = 0x48000000; s->mm_regs[MDMRS >> 2] = 0x00020002; s->mm_regs[MDREFR >> 2] = 0x03ca4000; s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000); memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s); s->pm_base = 0x40f00000; memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100); memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem); vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s); for (i = 0; pxa255_ssp[i].io_base; i ++); s->ssp = g_new0(SSIBus *, i); for (i = 0; pxa255_ssp[i].io_base; i ++) { DeviceState *dev; dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base, qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn)); s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi"); } sysbus_create_simple("sysbus-ohci", 0x4c000000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1)); s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000); s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000); sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM)); s->i2c[0] = pxa2xx_i2c_init(0x40301600, qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff); s->i2c[1] = pxa2xx_i2c_init(0x40f00100, qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff); s->i2s = pxa2xx_i2s_init(address_space, 0x40400000, qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S)); /* GPIO1 resets the processor */ /* The handler can be overridden by board-specific code */ qdev_connect_gpio_out(s->gpio, 1, s->reset); return s; } static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data) { SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass); DeviceClass *dc = DEVICE_CLASS(klass); sdc->init = pxa2xx_ssp_init; dc->reset = pxa2xx_ssp_reset; dc->vmsd = &vmstate_pxa2xx_ssp; } static const TypeInfo pxa2xx_ssp_info = { .name = TYPE_PXA2XX_SSP, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(PXA2xxSSPState), .class_init = pxa2xx_ssp_class_init, }; static void pxa2xx_register_types(void) { type_register_static(&pxa2xx_i2c_slave_info); type_register_static(&pxa2xx_ssp_info); type_register_static(&pxa2xx_i2c_info); type_register_static(&pxa2xx_rtc_sysbus_info); type_register_static(&pxa2xx_fir_info); } type_init(pxa2xx_register_types)