From 8a231487bc45ad5e5a70c747d9f35027922fb640 Mon Sep 17 00:00:00 2001 From: Andrzej Zaborowski Date: Thu, 3 Mar 2011 15:13:42 +0100 Subject: pxa2xx: port pxa2xx_rtc to using qdev/vmstate Signed-off-by: Dmitry Eremin-Solenikov Signed-off-by: Andrzej Zaborowski --- hw/pxa.h | 28 ---------- hw/pxa2xx.c | 173 +++++++++++++++++++++++++++++++++++------------------------- 2 files changed, 100 insertions(+), 101 deletions(-) (limited to 'hw') diff --git a/hw/pxa.h b/hw/pxa.h index d7c32ee0c4..d982f00c5d 100644 --- a/hw/pxa.h +++ b/hw/pxa.h @@ -146,34 +146,6 @@ typedef struct { /* Performance monitoring */ uint32_t pmnc; - - /* Real-Time clock */ - target_phys_addr_t rtc_base; - 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; } PXA2xxState; struct PXA2xxI2SState { diff --git a/hw/pxa2xx.c b/hw/pxa2xx.c index dfea01ad92..4c7b9e66ba 100644 --- a/hw/pxa2xx.c +++ b/hw/pxa2xx.c @@ -13,7 +13,6 @@ #include "pc.h" #include "i2c.h" #include "ssi.h" -#include "qemu-timer.h" #include "qemu-char.h" #include "blockdev.h" @@ -886,12 +885,41 @@ static int pxa2xx_ssp_init(SysBusDevice *dev) #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */ #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */ -static inline void pxa2xx_rtc_int_update(PXA2xxState *s) +typedef struct { + SysBusDevice busdev; + 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(PXA2xxState *s) +static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s) { int64_t rt = qemu_get_clock(rt_clock); s->last_rcnr += ((rt - s->last_hz) << 15) / @@ -901,7 +929,7 @@ static void pxa2xx_rtc_hzupdate(PXA2xxState *s) s->last_hz = rt; } -static void pxa2xx_rtc_swupdate(PXA2xxState *s) +static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s) { int64_t rt = qemu_get_clock(rt_clock); if (s->rtsr & (1 << 12)) @@ -909,7 +937,7 @@ static void pxa2xx_rtc_swupdate(PXA2xxState *s) s->last_sw = rt; } -static void pxa2xx_rtc_piupdate(PXA2xxState *s) +static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s) { int64_t rt = qemu_get_clock(rt_clock); if (s->rtsr & (1 << 15)) @@ -917,7 +945,7 @@ static void pxa2xx_rtc_piupdate(PXA2xxState *s) s->last_pi = rt; } -static inline void pxa2xx_rtc_alarm_update(PXA2xxState *s, +static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s, uint32_t rtsr) { if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0))) @@ -962,7 +990,7 @@ static inline void pxa2xx_rtc_alarm_update(PXA2xxState *s, static inline void pxa2xx_rtc_hz_tick(void *opaque) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 0); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); @@ -970,7 +998,7 @@ static inline void pxa2xx_rtc_hz_tick(void *opaque) static inline void pxa2xx_rtc_rdal1_tick(void *opaque) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 4); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); @@ -978,7 +1006,7 @@ static inline void pxa2xx_rtc_rdal1_tick(void *opaque) static inline void pxa2xx_rtc_rdal2_tick(void *opaque) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 6); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); @@ -986,7 +1014,7 @@ static inline void pxa2xx_rtc_rdal2_tick(void *opaque) static inline void pxa2xx_rtc_swal1_tick(void *opaque) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 8); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); @@ -994,7 +1022,7 @@ static inline void pxa2xx_rtc_swal1_tick(void *opaque) static inline void pxa2xx_rtc_swal2_tick(void *opaque) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 10); pxa2xx_rtc_alarm_update(s, s->rtsr); pxa2xx_rtc_int_update(s); @@ -1002,7 +1030,7 @@ static inline void pxa2xx_rtc_swal2_tick(void *opaque) static inline void pxa2xx_rtc_pi_tick(void *opaque) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; s->rtsr |= (1 << 13); pxa2xx_rtc_piupdate(s); s->last_rtcpicr = 0; @@ -1012,7 +1040,7 @@ static inline void pxa2xx_rtc_pi_tick(void *opaque) static uint32_t pxa2xx_rtc_read(void *opaque, target_phys_addr_t addr) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; switch (addr) { case RTTR: @@ -1058,7 +1086,7 @@ static uint32_t pxa2xx_rtc_read(void *opaque, target_phys_addr_t addr) static void pxa2xx_rtc_write(void *opaque, target_phys_addr_t addr, uint32_t value) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; switch (addr) { case RTTR: @@ -1170,10 +1198,12 @@ static CPUWriteMemoryFunc * const pxa2xx_rtc_writefn[] = { pxa2xx_rtc_write, }; -static void pxa2xx_rtc_init(PXA2xxState *s) +static int pxa2xx_rtc_init(SysBusDevice *dev) { + PXA2xxRTCState *s = FROM_SYSBUS(PXA2xxRTCState, dev); struct tm tm; int wom; + int iomemtype; s->rttr = 0x7fff; s->rtsr = 0; @@ -1198,65 +1228,71 @@ static void pxa2xx_rtc_init(PXA2xxState *s) s->rtc_swal2 = qemu_new_timer(rt_clock, pxa2xx_rtc_swal2_tick, s); s->rtc_pi = qemu_new_timer(rt_clock, pxa2xx_rtc_pi_tick, s); - s->rtc_irq = qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM); + sysbus_init_irq(dev, &s->rtc_irq); + + iomemtype = cpu_register_io_memory(pxa2xx_rtc_readfn, + pxa2xx_rtc_writefn, s, DEVICE_NATIVE_ENDIAN); + sysbus_init_mmio(dev, 0x10000, iomemtype); + + return 0; } -static void pxa2xx_rtc_save(QEMUFile *f, void *opaque) +static void pxa2xx_rtc_pre_save(void *opaque) { - PXA2xxState *s = (PXA2xxState *) opaque; + PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; pxa2xx_rtc_hzupdate(s); pxa2xx_rtc_piupdate(s); pxa2xx_rtc_swupdate(s); +} - qemu_put_be32s(f, &s->rttr); - qemu_put_be32s(f, &s->rtsr); - qemu_put_be32s(f, &s->rtar); - qemu_put_be32s(f, &s->rdar1); - qemu_put_be32s(f, &s->rdar2); - qemu_put_be32s(f, &s->ryar1); - qemu_put_be32s(f, &s->ryar2); - qemu_put_be32s(f, &s->swar1); - qemu_put_be32s(f, &s->swar2); - qemu_put_be32s(f, &s->piar); - qemu_put_be32s(f, &s->last_rcnr); - qemu_put_be32s(f, &s->last_rdcr); - qemu_put_be32s(f, &s->last_rycr); - qemu_put_be32s(f, &s->last_swcr); - qemu_put_be32s(f, &s->last_rtcpicr); - qemu_put_sbe64s(f, &s->last_hz); - qemu_put_sbe64s(f, &s->last_sw); - qemu_put_sbe64s(f, &s->last_pi); -} - -static int pxa2xx_rtc_load(QEMUFile *f, void *opaque, int version_id) +static int pxa2xx_rtc_post_load(void *opaque, int version_id) { - PXA2xxState *s = (PXA2xxState *) opaque; - - qemu_get_be32s(f, &s->rttr); - qemu_get_be32s(f, &s->rtsr); - qemu_get_be32s(f, &s->rtar); - qemu_get_be32s(f, &s->rdar1); - qemu_get_be32s(f, &s->rdar2); - qemu_get_be32s(f, &s->ryar1); - qemu_get_be32s(f, &s->ryar2); - qemu_get_be32s(f, &s->swar1); - qemu_get_be32s(f, &s->swar2); - qemu_get_be32s(f, &s->piar); - qemu_get_be32s(f, &s->last_rcnr); - qemu_get_be32s(f, &s->last_rdcr); - qemu_get_be32s(f, &s->last_rycr); - qemu_get_be32s(f, &s->last_swcr); - qemu_get_be32s(f, &s->last_rtcpicr); - qemu_get_sbe64s(f, &s->last_hz); - qemu_get_sbe64s(f, &s->last_sw); - qemu_get_sbe64s(f, &s->last_pi); + 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, + .minimum_version_id_old = 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 SysBusDeviceInfo pxa2xx_rtc_sysbus_info = { + .init = pxa2xx_rtc_init, + .qdev.name = "pxa2xx_rtc", + .qdev.desc = "PXA2xx RTC Controller", + .qdev.size = sizeof(PXA2xxRTCState), + .qdev.vmsd = &vmstate_pxa2xx_rtc_regs, +}; + /* I2C Interface */ typedef struct { i2c_slave i2c; @@ -2188,13 +2224,8 @@ PXA2xxState *pxa270_init(unsigned int sdram_size, const char *revision) s->pcmcia[0] = pxa2xx_pcmcia_init(0x20000000); s->pcmcia[1] = pxa2xx_pcmcia_init(0x30000000); - s->rtc_base = 0x40900000; - iomemtype = cpu_register_io_memory(pxa2xx_rtc_readfn, - pxa2xx_rtc_writefn, s, DEVICE_NATIVE_ENDIAN); - cpu_register_physical_memory(s->rtc_base, 0x1000, iomemtype); - pxa2xx_rtc_init(s); - register_savevm(NULL, "pxa2xx_rtc", 0, 0, pxa2xx_rtc_save, - pxa2xx_rtc_load, s); + sysbus_create_simple("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); @@ -2329,13 +2360,8 @@ PXA2xxState *pxa255_init(unsigned int sdram_size) s->pcmcia[0] = pxa2xx_pcmcia_init(0x20000000); s->pcmcia[1] = pxa2xx_pcmcia_init(0x30000000); - s->rtc_base = 0x40900000; - iomemtype = cpu_register_io_memory(pxa2xx_rtc_readfn, - pxa2xx_rtc_writefn, s, DEVICE_NATIVE_ENDIAN); - cpu_register_physical_memory(s->rtc_base, 0x1000, iomemtype); - pxa2xx_rtc_init(s); - register_savevm(NULL, "pxa2xx_rtc", 0, 0, pxa2xx_rtc_save, - pxa2xx_rtc_load, s); + sysbus_create_simple("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); @@ -2358,6 +2384,7 @@ static void pxa2xx_register_devices(void) i2c_register_slave(&pxa2xx_i2c_slave_info); sysbus_register_dev("pxa2xx-ssp", sizeof(PXA2xxSSPState), pxa2xx_ssp_init); sysbus_register_withprop(&pxa2xx_i2c_info); + sysbus_register_withprop(&pxa2xx_rtc_sysbus_info); } device_init(pxa2xx_register_devices) -- cgit v1.2.1