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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37cd56e6547sm12243771f8f.58.2024.10.01.09.39.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Oct 2024 09:39:29 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 19/54] hw/arm: Remove pxa2xx.c Date: Tue, 1 Oct 2024 17:38:43 +0100 Message-Id: <20241001163918.1275441-20-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241001163918.1275441-1-peter.maydell@linaro.org> References: <20241001163918.1275441-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org All the callers of pxa270_init() and pxa255_init() have now been removed, so we can remove pxa2xx.c. This also removes the only uses of a lot of pxa2xx specific devices, which will be removed in subsequent commits. Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Message-id: 20240903160751.4100218-16-peter.maydell@linaro.org --- include/hw/arm/pxa.h | 78 -- hw/arm/pxa2xx.c | 2393 ------------------------------------------ hw/arm/meson.build | 2 +- 3 files changed, 1 insertion(+), 2472 deletions(-) delete mode 100644 hw/arm/pxa2xx.c diff --git a/include/hw/arm/pxa.h b/include/hw/arm/pxa.h index 4c6caee1134..bf7f868700a 100644 --- a/include/hw/arm/pxa.h +++ b/include/hw/arm/pxa.h @@ -116,82 +116,4 @@ PXA2xxKeyPadState *pxa27x_keypad_init(MemoryRegion *sysmem, void pxa27x_register_keypad(PXA2xxKeyPadState *kp, const struct keymap *map, int size); -/* pxa2xx.c */ -#define TYPE_PXA2XX_I2C "pxa2xx_i2c" -OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxI2CState, PXA2XX_I2C) - -PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base, - qemu_irq irq, uint32_t page_size); -I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s); - -typedef struct PXA2xxI2SState PXA2xxI2SState; - -#define TYPE_PXA2XX_FIR "pxa2xx-fir" -OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxFIrState, PXA2XX_FIR) - -typedef struct { - ARMCPU *cpu; - DeviceState *pic; - qemu_irq reset; - MemoryRegion sdram; - MemoryRegion internal; - MemoryRegion cm_iomem; - MemoryRegion mm_iomem; - MemoryRegion pm_iomem; - DeviceState *dma; - DeviceState *gpio; - PXA2xxLCDState *lcd; - SSIBus **ssp; - PXA2xxI2CState *i2c[2]; - PXA2xxMMCIState *mmc; - PXA2xxPCMCIAState *pcmcia[2]; - PXA2xxI2SState *i2s; - PXA2xxFIrState *fir; - PXA2xxKeyPadState *kp; - - /* Power management */ - hwaddr pm_base; - uint32_t pm_regs[0x40]; - - /* Clock management */ - hwaddr cm_base; - uint32_t cm_regs[4]; - uint32_t clkcfg; - - /* Memory management */ - hwaddr mm_base; - uint32_t mm_regs[0x1a]; - - /* Performance monitoring */ - uint32_t pmnc; -} PXA2xxState; - -struct PXA2xxI2SState { - MemoryRegion iomem; - qemu_irq irq; - qemu_irq rx_dma; - qemu_irq tx_dma; - void (*data_req)(void *, int, int); - - uint32_t control[2]; - uint32_t status; - uint32_t mask; - uint32_t clk; - - int enable; - int rx_len; - int tx_len; - void (*codec_out)(void *, uint32_t); - uint32_t (*codec_in)(void *); - void *opaque; - - int fifo_len; - uint32_t fifo[16]; -}; - -# define PA_FMT "0x%08lx" - -PXA2xxState *pxa270_init(unsigned int sdram_size, const char *revision); -PXA2xxState *pxa255_init(unsigned int sdram_size); - #endif /* PXA_H */ diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c deleted file mode 100644 index 23e1aecc942..00000000000 --- a/hw/arm/pxa2xx.c +++ /dev/null @@ -1,2393 +0,0 @@ -/* - * 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 "qemu/error-report.h" -#include "qemu/module.h" -#include "qapi/error.h" -#include "exec/address-spaces.h" -#include "cpu.h" -#include "hw/sysbus.h" -#include "migration/vmstate.h" -#include "hw/arm/pxa.h" -#include "sysemu/sysemu.h" -#include "hw/char/serial.h" -#include "hw/i2c/i2c.h" -#include "hw/irq.h" -#include "hw/qdev-properties.h" -#include "hw/qdev-properties-system.h" -#include "hw/ssi/ssi.h" -#include "hw/sd/sd.h" -#include "chardev/char-fe.h" -#include "sysemu/blockdev.h" -#include "sysemu/qtest.h" -#include "sysemu/rtc.h" -#include "qemu/cutils.h" -#include "qemu/log.h" -#include "qom/object.h" -#include "target/arm/cpregs.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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad read offset 0x%"HWADDR_PRIx"\n", - __func__, 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; - } - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad write offset 0x%"HWADDR_PRIx"\n", - __func__, 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 = (const 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad read offset 0x%"HWADDR_PRIx"\n", - __func__, 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad write offset 0x%"HWADDR_PRIx"\n", - __func__, 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 = (const 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 }, -}; - -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]; - /* fall through */ - default: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad read offset 0x%"HWADDR_PRIx"\n", - __func__, 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; - } - /* fallthrough */ - default: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad write offset 0x%"HWADDR_PRIx"\n", - __func__, 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 = (const VMStateField[]) { - VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a), - VMSTATE_END_OF_LIST() - } -}; - -#define TYPE_PXA2XX_SSP "pxa2xx-ssp" -OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxSSPState, PXA2XX_SSP) - -/* Synchronous Serial Ports */ -struct PXA2xxSSPState { - /*< 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; -}; - -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 = (const 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", __func__); - 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad read offset 0x%"HWADDR_PRIx"\n", - __func__, 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", __func__); - if (s->enable && SSCR0_DSS(value) < 4) - printf("%s: Wrong data size: %u bits\n", __func__, - 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", __func__); - 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad write offset 0x%"HWADDR_PRIx"\n", - __func__, 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 void pxa2xx_ssp_init(Object *obj) -{ - DeviceState *dev = DEVICE(obj); - PXA2xxSSPState *s = PXA2XX_SSP(obj); - SysBusDevice *sbd = SYS_BUS_DEVICE(obj); - sysbus_init_irq(sbd, &s->irq); - - memory_region_init_io(&s->iomem, obj, &pxa2xx_ssp_ops, s, - "pxa2xx-ssp", 0x1000); - sysbus_init_mmio(sbd, &s->iomem); - - s->bus = ssi_create_bus(dev, "ssi"); -} - -/* 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" -OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxRTCState, PXA2XX_RTC) - -struct PXA2xxRTCState { - /*< 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; -}; - -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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad read offset 0x%"HWADDR_PRIx"\n", - __func__, 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad write offset 0x%"HWADDR_PRIx"\n", - __func__, 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); - - 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_realize(DeviceState *dev, Error **errp) -{ - PXA2xxRTCState *s = PXA2XX_RTC(dev); - 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); -} - -static int pxa2xx_rtc_pre_save(void *opaque) -{ - PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; - - pxa2xx_rtc_hzupdate(s); - pxa2xx_rtc_piupdate(s); - pxa2xx_rtc_swupdate(s); - - return 0; -} - -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 = (const 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; - dc->realize = pxa2xx_rtc_realize; -} - -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" -OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxI2CSlaveState, PXA2XX_I2C_SLAVE) - -struct PXA2xxI2CSlaveState { - I2CSlave parent_obj; - - PXA2xxI2CState *host; -}; - -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 int 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; - default: - return -1; - } - pxa2xx_i2c_update(s); - - return 0; -} - -static uint8_t 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad read offset 0x%"HWADDR_PRIx"\n", - __func__, 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_slave_set_address(I2C_SLAVE(s->slave), value & 0x7f); - break; - - case IDBR: - s->data = value & 0xff; - break; - - default: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad write offset 0x%"HWADDR_PRIx"\n", - __func__, 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 = (const 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 = (const 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 void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data) -{ - I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); - - 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_new(TYPE_PXA2XX_I2C); - qdev_prop_set_uint32(dev, "size", region_size + 1); - qdev_prop_set_uint32(dev, "offset", base & region_size); - - /* FIXME: Should the slave device really be on a separate bus? */ - i2cbus = i2c_init_bus(dev, "dummy"); - - i2c_dev = SYS_BUS_DEVICE(dev); - sysbus_realize_and_unref(i2c_dev, &error_fatal); - sysbus_mmio_map(i2c_dev, 0, base & ~region_size); - sysbus_connect_irq(i2c_dev, 0, irq); - - s = PXA2XX_I2C(i2c_dev); - s->slave = PXA2XX_I2C_SLAVE(i2c_slave_create_simple(i2cbus, - TYPE_PXA2XX_I2C_SLAVE, - 0)); - 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; - device_class_set_props(dc, 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad read offset 0x%"HWADDR_PRIx"\n", - __func__, 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", __func__); - 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", __func__); - 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad write offset 0x%"HWADDR_PRIx"\n", - __func__, 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 = (const 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 */ -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", __func__); - break; - case ICSR0: - return s->status[0]; - case ICSR1: - return s->status[1] | (1 << 3); /* TNF */ - case ICFOR: - return s->rx_len; - default: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad read offset 0x%"HWADDR_PRIx"\n", - __func__, 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: - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Bad write offset 0x%"HWADDR_PRIx"\n", - __func__, 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, QEMUChrEvent 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, NULL, 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 = (const 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; - device_class_set_props(dc, pxa2xx_fir_properties); - device_class_set_legacy_reset(dc, 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, - Chardev *chr) -{ - DeviceState *dev; - SysBusDevice *sbd; - - dev = qdev_new(TYPE_PXA2XX_FIR); - qdev_prop_set_chr(dev, "chardev", chr); - sbd = SYS_BUS_DEVICE(dev); - sysbus_realize_and_unref(sbd, &error_fatal); - 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(unsigned int sdram_size, const char *cpu_type) -{ - MemoryRegion *address_space = get_system_memory(); - PXA2xxState *s; - int i; - DriveInfo *dinfo; - s = g_new0(PXA2xxState, 1); - - if (strncmp(cpu_type, "pxa27", 5)) { - error_report("Machine requires a PXA27x processor"); - exit(1); - } - - s->cpu = ARM_CPU(cpu_create(cpu_type)); - 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); - memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram); - memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000, - &error_fatal); - 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); - - s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, - 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)); - dinfo = drive_get(IF_SD, 0, 0); - if (dinfo) { - DeviceState *carddev; - - /* Create and plug in the sd card */ - carddev = qdev_new(TYPE_SD_CARD); - qdev_prop_set_drive_err(carddev, "drive", - blk_by_legacy_dinfo(dinfo), &error_fatal); - qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc), - "sd-bus"), - &error_fatal); - } else if (!qtest_enabled()) { - warn_report("missing SecureDigital device"); - } - - for (i = 0; pxa270_serial[i].io_base; i++) { - if (serial_hd(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_hd(i), - DEVICE_NATIVE_ENDIAN); - } else { - break; - } - } - if (serial_hd(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_hd(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(sysbus_create_simple(TYPE_PXA2XX_PCMCIA, - 0x20000000, NULL)); - s->pcmcia[1] = PXA2XX_PCMCIA(sysbus_create_simple(TYPE_PXA2XX_PCMCIA, - 0x30000000, NULL)); - - 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(unsigned int sdram_size) -{ - MemoryRegion *address_space = get_system_memory(); - PXA2xxState *s; - int i; - DriveInfo *dinfo; - - s = g_new0(PXA2xxState, 1); - - s->cpu = ARM_CPU(cpu_create(ARM_CPU_TYPE_NAME("pxa255"))); - 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); - 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); - 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); - - s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, - 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)); - dinfo = drive_get(IF_SD, 0, 0); - if (dinfo) { - DeviceState *carddev; - - /* Create and plug in the sd card */ - carddev = qdev_new(TYPE_SD_CARD); - qdev_prop_set_drive_err(carddev, "drive", - blk_by_legacy_dinfo(dinfo), &error_fatal); - qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc), - "sd-bus"), - &error_fatal); - } else if (!qtest_enabled()) { - warn_report("missing SecureDigital device"); - } - - for (i = 0; pxa255_serial[i].io_base; i++) { - if (serial_hd(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_hd(i), - DEVICE_NATIVE_ENDIAN); - } else { - break; - } - } - if (serial_hd(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_hd(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"); - } - - s->pcmcia[0] = PXA2XX_PCMCIA(sysbus_create_simple(TYPE_PXA2XX_PCMCIA, - 0x20000000, NULL)); - s->pcmcia[1] = PXA2XX_PCMCIA(sysbus_create_simple(TYPE_PXA2XX_PCMCIA, - 0x30000000, NULL)); - - 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) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - device_class_set_legacy_reset(dc, 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), - .instance_init = pxa2xx_ssp_init, - .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) diff --git a/hw/arm/meson.build b/hw/arm/meson.build index b913795f56e..fb2bc71e30f 100644 --- a/hw/arm/meson.build +++ b/hw/arm/meson.build @@ -22,7 +22,7 @@ arm_ss.add(when: 'CONFIG_SABRELITE', if_true: files('sabrelite.c')) arm_ss.add(when: 'CONFIG_ARM_V7M', if_true: files('armv7m.c')) arm_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210.c')) -arm_ss.add(when: 'CONFIG_PXA2XX', if_true: files('pxa2xx.c', 'pxa2xx_gpio.c', 'pxa2xx_pic.c')) +arm_ss.add(when: 'CONFIG_PXA2XX', if_true: files('pxa2xx_gpio.c', 'pxa2xx_pic.c')) arm_ss.add(when: 'CONFIG_DIGIC', if_true: files('digic.c')) arm_ss.add(when: 'CONFIG_OMAP', if_true: files('omap1.c')) arm_ss.add(when: 'CONFIG_ALLWINNER_A10', if_true: files('allwinner-a10.c', 'cubieboard.c'))