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-rw-r--r--src/hw/arm/pxa2xx.c2353
1 files changed, 2353 insertions, 0 deletions
diff --git a/src/hw/arm/pxa2xx.c b/src/hw/arm/pxa2xx.c
new file mode 100644
index 0000000..79d22d9
--- /dev/null
+++ b/src/hw/arm/pxa2xx.c
@@ -0,0 +1,2353 @@
+/*
+ * Intel XScale PXA255/270 processor support.
+ *
+ * Copyright (c) 2006 Openedhand Ltd.
+ * Written by Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * This code is licensed under the GPL.
+ */
+
+#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.h"
+#include "sysemu/char.h"
+#include "sysemu/block-backend.h"
+#include "sysemu/blockdev.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 int pxa2xx_rtc_init(SysBusDevice *dev)
+{
+ PXA2xxRTCState *s = PXA2XX_RTC(dev);
+ 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, OBJECT(s), &pxa2xx_rtc_ops, s,
+ "pxa2xx-rtc", 0x10000);
+ sysbus_init_mmio(dev, &s->iomem);
+
+ return 0;
+}
+
+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);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = pxa2xx_rtc_init;
+ 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),
+ .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 int pxa2xx_i2c_initfn(SysBusDevice *sbd)
+{
+ DeviceState *dev = DEVICE(sbd);
+ PXA2xxI2CState *s = PXA2XX_I2C(dev);
+
+ s->bus = i2c_init_bus(dev, "i2c");
+
+ memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_i2c_ops, s,
+ "pxa2xx-i2c", s->region_size);
+ sysbus_init_mmio(sbd, &s->iomem);
+ sysbus_init_irq(sbd, &s->irq);
+
+ return 0;
+}
+
+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);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = pxa2xx_i2c_initfn;
+ 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),
+ .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;
+ CharDriverState *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->chr && s->enable && (s->control[0] & (1 << 3))) /* TXE */
+ qemu_chr_fe_write(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);
+
+ if (s->chr) {
+ qemu_chr_fe_claim_no_fail(s->chr);
+ qemu_chr_add_handlers(s->chr, pxa2xx_fir_is_empty,
+ pxa2xx_fir_rx, pxa2xx_fir_event, s);
+ }
+}
+
+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");
+ }
+
+ if (usb_enabled()) {
+ 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] = 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; 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");
+ }
+
+ if (usb_enabled()) {
+ 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)
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