diff options
author | Jean-Christophe DUBOIS <jcd@tribudubois.net> | 2013-06-03 17:17:45 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2013-06-03 17:17:45 +0100 |
commit | a50c0d6f72830ca3016e63ded6ccfd4e951c172f (patch) | |
tree | 34c549d489e68bdaa6a257d6b4e44fa6f7280c33 | |
parent | 37ab4a566816f518fb958ea49734d51d1ccbd227 (diff) |
i.MX: split GPT and EPIT timer implementation
There is no common code between these 2 timer implementation.
So it is better to split them.
Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
Message-id: 1368990197-19694-1-git-send-email-jcd@tribudubois.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | hw/timer/Makefile.objs | 3 | ||||
-rw-r--r-- | hw/timer/imx_epit.c | 404 | ||||
-rw-r--r-- | hw/timer/imx_gpt.c (renamed from hw/timer/imx_timer.c) | 366 |
3 files changed, 410 insertions, 363 deletions
diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs index e4bd17fbb7..32b5c1a9ba 100644 --- a/hw/timer/Makefile.objs +++ b/hw/timer/Makefile.objs @@ -11,7 +11,8 @@ common-obj-$(CONFIG_XILINX) += xilinx_timer.o common-obj-$(CONFIG_SLAVIO) += slavio_timer.o common-obj-$(CONFIG_ETRAXFS) += etraxfs_timer.o common-obj-$(CONFIG_GRLIB) += grlib_gptimer.o -common-obj-$(CONFIG_IMX) += imx_timer.o +common-obj-$(CONFIG_IMX) += imx_epit.o +common-obj-$(CONFIG_IMX) += imx_gpt.o common-obj-$(CONFIG_LM32) += lm32_timer.o common-obj-$(CONFIG_MILKYMIST) += milkymist-sysctl.o diff --git a/hw/timer/imx_epit.c b/hw/timer/imx_epit.c new file mode 100644 index 0000000000..451e64670e --- /dev/null +++ b/hw/timer/imx_epit.c @@ -0,0 +1,404 @@ +/* + * IMX EPIT Timer + * + * Copyright (c) 2008 OK Labs + * Copyright (c) 2011 NICTA Pty Ltd + * Originally written by Hans Jiang + * Updated by Peter Chubb + * + * This code is licensed under GPL version 2 or later. See + * the COPYING file in the top-level directory. + * + */ + +#include "hw/hw.h" +#include "qemu/bitops.h" +#include "qemu/timer.h" +#include "hw/ptimer.h" +#include "hw/sysbus.h" +#include "hw/arm/imx.h" + +//#define DEBUG_TIMER 1 +#ifdef DEBUG_TIMER +# define DPRINTF(fmt, args...) \ + do { printf("imx_timer: " fmt , ##args); } while (0) +#else +# define DPRINTF(fmt, args...) do {} while (0) +#endif + +/* + * Define to 1 for messages about attempts to + * access unimplemented registers or similar. + */ +#define DEBUG_IMPLEMENTATION 1 +#if DEBUG_IMPLEMENTATION +# define IPRINTF(fmt, args...) \ + do { fprintf(stderr, "imx_timer: " fmt, ##args); } while (0) +#else +# define IPRINTF(fmt, args...) do {} while (0) +#endif + +/* + * EPIT: Enhanced periodic interrupt timer + */ + +#define CR_EN (1 << 0) +#define CR_ENMOD (1 << 1) +#define CR_OCIEN (1 << 2) +#define CR_RLD (1 << 3) +#define CR_PRESCALE_SHIFT (4) +#define CR_PRESCALE_MASK (0xfff) +#define CR_SWR (1 << 16) +#define CR_IOVW (1 << 17) +#define CR_DBGEN (1 << 18) +#define CR_WAITEN (1 << 19) +#define CR_DOZEN (1 << 20) +#define CR_STOPEN (1 << 21) +#define CR_CLKSRC_SHIFT (24) +#define CR_CLKSRC_MASK (0x3 << CR_CLKSRC_SHIFT) + +#define TIMER_MAX 0XFFFFFFFFUL + +/* + * Exact clock frequencies vary from board to board. + * These are typical. + */ +static const IMXClk imx_timerp_clocks[] = { + 0, /* 00 disabled */ + IPG, /* 01 ipg_clk, ~532MHz */ + IPG, /* 10 ipg_clk_highfreq */ + CLK_32k, /* 11 ipg_clk_32k -- ~32kHz */ +}; + +typedef struct { + SysBusDevice busdev; + ptimer_state *timer_reload; + ptimer_state *timer_cmp; + MemoryRegion iomem; + DeviceState *ccm; + + uint32_t cr; + uint32_t sr; + uint32_t lr; + uint32_t cmp; + uint32_t cnt; + + uint32_t freq; + qemu_irq irq; +} IMXTimerPState; + +/* + * Update interrupt status + */ +static void imx_timerp_update(IMXTimerPState *s) +{ + if (s->sr && (s->cr & CR_OCIEN)) { + qemu_irq_raise(s->irq); + } else { + qemu_irq_lower(s->irq); + } +} + +static void set_timerp_freq(IMXTimerPState *s) +{ + unsigned clksrc; + unsigned prescaler; + uint32_t freq; + + clksrc = extract32(s->cr, CR_CLKSRC_SHIFT, 2); + prescaler = 1 + extract32(s->cr, CR_PRESCALE_SHIFT, 12); + + freq = imx_clock_frequency(s->ccm, imx_timerp_clocks[clksrc]) / prescaler; + + s->freq = freq; + DPRINTF("Setting ptimer frequency to %u\n", freq); + + if (freq) { + ptimer_set_freq(s->timer_reload, freq); + ptimer_set_freq(s->timer_cmp, freq); + } +} + +static void imx_timerp_reset(DeviceState *dev) +{ + IMXTimerPState *s = container_of(dev, IMXTimerPState, busdev.qdev); + + /* + * Soft reset doesn't touch some bits; hard reset clears them + */ + s->cr &= ~(CR_EN|CR_ENMOD|CR_STOPEN|CR_DOZEN|CR_WAITEN|CR_DBGEN); + s->sr = 0; + s->lr = TIMER_MAX; + s->cmp = 0; + s->cnt = 0; + /* stop both timers */ + ptimer_stop(s->timer_cmp); + ptimer_stop(s->timer_reload); + /* compute new frequency */ + set_timerp_freq(s); + /* init both timers to TIMER_MAX */ + ptimer_set_limit(s->timer_cmp, TIMER_MAX, 1); + ptimer_set_limit(s->timer_reload, TIMER_MAX, 1); + if (s->freq && (s->cr & CR_EN)) { + /* if the timer is still enabled, restart it */ + ptimer_run(s->timer_reload, 1); + } +} + +static uint32_t imx_timerp_update_counts(IMXTimerPState *s) +{ + s->cnt = ptimer_get_count(s->timer_reload); + + return s->cnt; +} + +static uint64_t imx_timerp_read(void *opaque, hwaddr offset, + unsigned size) +{ + IMXTimerPState *s = (IMXTimerPState *)opaque; + + DPRINTF("p-read(offset=%x)", (unsigned int)(offset >> 2)); + switch (offset >> 2) { + case 0: /* Control Register */ + DPRINTF("cr %x\n", s->cr); + return s->cr; + + case 1: /* Status Register */ + DPRINTF("sr %x\n", s->sr); + return s->sr; + + case 2: /* LR - ticks*/ + DPRINTF("lr %x\n", s->lr); + return s->lr; + + case 3: /* CMP */ + DPRINTF("cmp %x\n", s->cmp); + return s->cmp; + + case 4: /* CNT */ + imx_timerp_update_counts(s); + DPRINTF(" cnt = %x\n", s->cnt); + return s->cnt; + } + + IPRINTF("imx_timerp_read: Bad offset %x\n", + (int)offset >> 2); + return 0; +} + +static void imx_reload_compare_timer(IMXTimerPState *s) +{ + if ((s->cr & CR_OCIEN) && s->cmp) { + /* if the compare feature is on */ + uint32_t tmp = imx_timerp_update_counts(s); + if (tmp > s->cmp) { + /* reinit the cmp timer if required */ + ptimer_set_count(s->timer_cmp, tmp - s->cmp); + if ((s->cr & CR_EN)) { + /* Restart the cmp timer if required */ + ptimer_run(s->timer_cmp, 0); + } + } + } +} + +static void imx_timerp_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + IMXTimerPState *s = (IMXTimerPState *)opaque; + DPRINTF("p-write(offset=%x, value = %x)\n", (unsigned int)offset >> 2, + (unsigned int)value); + + switch (offset >> 2) { + case 0: /* CR */ + s->cr = value & 0x03ffffff; + if (s->cr & CR_SWR) { + /* handle the reset */ + imx_timerp_reset(&s->busdev.qdev); + } else { + set_timerp_freq(s); + } + + if (s->freq && (s->cr & CR_EN)) { + if (s->cr & CR_ENMOD) { + if (s->cr & CR_RLD) { + ptimer_set_limit(s->timer_reload, s->lr, 1); + } else { + ptimer_set_limit(s->timer_reload, TIMER_MAX, 1); + } + } + + imx_reload_compare_timer(s); + + ptimer_run(s->timer_reload, 1); + } else { + /* stop both timers */ + ptimer_stop(s->timer_reload); + ptimer_stop(s->timer_cmp); + } + break; + + case 1: /* SR - ACK*/ + /* writing 1 to OCIF clear the OCIF bit */ + if (value & 0x01) { + s->sr = 0; + imx_timerp_update(s); + } + break; + + case 2: /* LR - set ticks */ + s->lr = value; + + if (s->cr & CR_RLD) { + /* Also set the limit if the LRD bit is set */ + /* If IOVW bit is set then set the timer value */ + ptimer_set_limit(s->timer_reload, s->lr, s->cr & CR_IOVW); + } else if (s->cr & CR_IOVW) { + /* If IOVW bit is set then set the timer value */ + ptimer_set_count(s->timer_reload, s->lr); + } + + imx_reload_compare_timer(s); + + break; + + case 3: /* CMP */ + s->cmp = value; + + imx_reload_compare_timer(s); + + break; + + default: + IPRINTF("imx_timerp_write: Bad offset %x\n", + (int)offset >> 2); + } +} + +static void imx_timerp_reload(void *opaque) +{ + IMXTimerPState *s = (IMXTimerPState *)opaque; + + DPRINTF("imxp reload\n"); + + if (!(s->cr & CR_EN)) { + return; + } + + if (s->cr & CR_RLD) { + ptimer_set_limit(s->timer_reload, s->lr, 1); + } else { + ptimer_set_limit(s->timer_reload, TIMER_MAX, 1); + } + + if (s->cr & CR_OCIEN) { + /* if compare register is 0 then we handle the interrupt here */ + if (s->cmp == 0) { + s->sr = 1; + imx_timerp_update(s); + } else if (s->cmp <= s->lr) { + /* We should launch the compare register */ + ptimer_set_count(s->timer_cmp, s->lr - s->cmp); + ptimer_run(s->timer_cmp, 0); + } else { + IPRINTF("imxp reload: s->lr < s->cmp\n"); + } + } +} + +static void imx_timerp_cmp(void *opaque) +{ + IMXTimerPState *s = (IMXTimerPState *)opaque; + + DPRINTF("imxp compare\n"); + + ptimer_stop(s->timer_cmp); + + /* compare register is not 0 */ + if (s->cmp) { + s->sr = 1; + imx_timerp_update(s); + } +} + +void imx_timerp_create(const hwaddr addr, + qemu_irq irq, + DeviceState *ccm) +{ + IMXTimerPState *pp; + DeviceState *dev; + + dev = sysbus_create_simple("imx_timerp", addr, irq); + pp = container_of(dev, IMXTimerPState, busdev.qdev); + pp->ccm = ccm; +} + +static const MemoryRegionOps imx_timerp_ops = { + .read = imx_timerp_read, + .write = imx_timerp_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static const VMStateDescription vmstate_imx_timerp = { + .name = "imx-timerp", + .version_id = 2, + .minimum_version_id = 2, + .minimum_version_id_old = 2, + .fields = (VMStateField[]) { + VMSTATE_UINT32(cr, IMXTimerPState), + VMSTATE_UINT32(sr, IMXTimerPState), + VMSTATE_UINT32(lr, IMXTimerPState), + VMSTATE_UINT32(cmp, IMXTimerPState), + VMSTATE_UINT32(cnt, IMXTimerPState), + VMSTATE_UINT32(freq, IMXTimerPState), + VMSTATE_PTIMER(timer_reload, IMXTimerPState), + VMSTATE_PTIMER(timer_cmp, IMXTimerPState), + VMSTATE_END_OF_LIST() + } +}; + +static int imx_timerp_init(SysBusDevice *dev) +{ + IMXTimerPState *s = FROM_SYSBUS(IMXTimerPState, dev); + QEMUBH *bh; + + DPRINTF("imx_timerp_init\n"); + sysbus_init_irq(dev, &s->irq); + memory_region_init_io(&s->iomem, &imx_timerp_ops, + s, "imxp-timer", + 0x00001000); + sysbus_init_mmio(dev, &s->iomem); + + bh = qemu_bh_new(imx_timerp_reload, s); + s->timer_reload = ptimer_init(bh); + + bh = qemu_bh_new(imx_timerp_cmp, s); + s->timer_cmp = ptimer_init(bh); + + return 0; +} + + +static void imx_timerp_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); + k->init = imx_timerp_init; + dc->vmsd = &vmstate_imx_timerp; + dc->reset = imx_timerp_reset; + dc->desc = "i.MX periodic timer"; +} + +static const TypeInfo imx_timerp_info = { + .name = "imx_timerp", + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(IMXTimerPState), + .class_init = imx_timerp_class_init, +}; + +static void imx_timer_register_types(void) +{ + type_register_static(&imx_timerp_info); +} + +type_init(imx_timer_register_types) diff --git a/hw/timer/imx_timer.c b/hw/timer/imx_gpt.c index 7693bb7364..d8c4f0baee 100644 --- a/hw/timer/imx_timer.c +++ b/hw/timer/imx_gpt.c @@ -1,5 +1,5 @@ /* - * IMX31 Timer + * IMX GPT Timer * * Copyright (c) 2008 OK Labs * Copyright (c) 2011 NICTA Pty Ltd @@ -12,6 +12,7 @@ */ #include "hw/hw.h" +#include "qemu/bitops.h" #include "qemu/timer.h" #include "hw/ptimer.h" #include "hw/sysbus.h" @@ -54,7 +55,6 @@ * (free-running timer from 0 to OCR1 or TIMER_MAX) . */ - #define TIMER_MAX 0XFFFFFFFFUL /* Control register. Not all of these bits have any effect (yet) */ @@ -148,6 +148,7 @@ static void imx_timerg_set_freq(IMXTimerGState *s) freq = imx_clock_frequency(s->ccm, imx_timerg_clocks[clksrc]) / (1 + s->pr); DPRINTF("Setting gtimer clksrc %d to frequency %d\n", clksrc, freq); + if (freq) { ptimer_set_freq(s->timer, freq); } @@ -206,7 +207,7 @@ static uint64_t imx_timerg_read(void *opaque, hwaddr offset, { IMXTimerGState *s = (IMXTimerGState *)opaque; - DPRINTF("g-read(offset=%x)", offset >> 2); + DPRINTF("g-read(offset=%x)", (unsigned int)(offset >> 2)); switch (offset >> 2) { case 0: /* Control Register */ DPRINTF(" cr = %x\n", s->cr); @@ -427,347 +428,6 @@ static int imx_timerg_init(SysBusDevice *dev) return 0; } - - -/* - * EPIT: Enhanced periodic interrupt timer - */ - -#define CR_EN (1 << 0) -#define CR_ENMOD (1 << 1) -#define CR_OCIEN (1 << 2) -#define CR_RLD (1 << 3) -#define CR_PRESCALE_SHIFT (4) -#define CR_PRESCALE_MASK (0xfff) -#define CR_SWR (1 << 16) -#define CR_IOVW (1 << 17) -#define CR_DBGEN (1 << 18) -#define CR_WAITEN (1 << 19) -#define CR_DOZEN (1 << 20) -#define CR_STOPEN (1 << 21) -#define CR_CLKSRC_SHIFT (24) -#define CR_CLKSRC_MASK (0x3 << CR_CLKSRC_SHIFT) - - -/* - * Exact clock frequencies vary from board to board. - * These are typical. - */ -static const IMXClk imx_timerp_clocks[] = { - 0, /* 00 disabled */ - IPG, /* 01 ipg_clk, ~532MHz */ - IPG, /* 10 ipg_clk_highfreq */ - CLK_32k, /* 11 ipg_clk_32k -- ~32kHz */ -}; - -typedef struct { - SysBusDevice busdev; - ptimer_state *timer_reload; - ptimer_state *timer_cmp; - MemoryRegion iomem; - DeviceState *ccm; - - uint32_t cr; - uint32_t sr; - uint32_t lr; - uint32_t cmp; - uint32_t cnt; - - uint32_t freq; - qemu_irq irq; -} IMXTimerPState; - -/* - * Update interrupt status - */ -static void imx_timerp_update(IMXTimerPState *s) -{ - if (s->sr && (s->cr & CR_OCIEN)) { - qemu_irq_raise(s->irq); - } else { - qemu_irq_lower(s->irq); - } -} - -static void set_timerp_freq(IMXTimerPState *s) -{ - int clksrc; - unsigned prescaler; - uint32_t freq; - - clksrc = (s->cr & CR_CLKSRC_MASK) >> CR_CLKSRC_SHIFT; - prescaler = 1 + ((s->cr >> CR_PRESCALE_SHIFT) & CR_PRESCALE_MASK); - freq = imx_clock_frequency(s->ccm, imx_timerp_clocks[clksrc]) / prescaler; - - s->freq = freq; - DPRINTF("Setting ptimer frequency to %u\n", freq); - - if (freq) { - ptimer_set_freq(s->timer_reload, freq); - ptimer_set_freq(s->timer_cmp, freq); - } -} - -static void imx_timerp_reset(DeviceState *dev) -{ - IMXTimerPState *s = container_of(dev, IMXTimerPState, busdev.qdev); - - /* - * Soft reset doesn't touch some bits; hard reset clears them - */ - s->cr &= ~(CR_EN|CR_ENMOD|CR_STOPEN|CR_DOZEN|CR_WAITEN|CR_DBGEN); - s->sr = 0; - s->lr = TIMER_MAX; - s->cmp = 0; - s->cnt = 0; - /* stop both timers */ - ptimer_stop(s->timer_cmp); - ptimer_stop(s->timer_reload); - /* compute new frequency */ - set_timerp_freq(s); - /* init both timers to TIMER_MAX */ - ptimer_set_limit(s->timer_cmp, TIMER_MAX, 1); - ptimer_set_limit(s->timer_reload, TIMER_MAX, 1); - if (s->freq && (s->cr & CR_EN)) { - /* if the timer is still enabled, restart it */ - ptimer_run(s->timer_reload, 1); - } -} - -static uint32_t imx_timerp_update_counts(IMXTimerPState *s) -{ - s->cnt = ptimer_get_count(s->timer_reload); - - return s->cnt; -} - -static uint64_t imx_timerp_read(void *opaque, hwaddr offset, - unsigned size) -{ - IMXTimerPState *s = (IMXTimerPState *)opaque; - - DPRINTF("p-read(offset=%x)", offset >> 2); - switch (offset >> 2) { - case 0: /* Control Register */ - DPRINTF("cr %x\n", s->cr); - return s->cr; - - case 1: /* Status Register */ - DPRINTF("sr %x\n", s->sr); - return s->sr; - - case 2: /* LR - ticks*/ - DPRINTF("lr %x\n", s->lr); - return s->lr; - - case 3: /* CMP */ - DPRINTF("cmp %x\n", s->cmp); - return s->cmp; - - case 4: /* CNT */ - imx_timerp_update_counts(s); - DPRINTF(" cnt = %x\n", s->cnt); - return s->cnt; - } - - IPRINTF("imx_timerp_read: Bad offset %x\n", - (int)offset >> 2); - return 0; -} - -static void imx_reload_compare_timer(IMXTimerPState *s) -{ - if ((s->cr & CR_OCIEN) && s->cmp) { - /* if the compare feature is on */ - uint32_t tmp = imx_timerp_update_counts(s); - if (tmp > s->cmp) { - /* reinit the cmp timer if required */ - ptimer_set_count(s->timer_cmp, tmp - s->cmp); - if ((s->cr & CR_EN)) { - /* Restart the cmp timer if required */ - ptimer_run(s->timer_cmp, 0); - } - } - } -} - -static void imx_timerp_write(void *opaque, hwaddr offset, - uint64_t value, unsigned size) -{ - IMXTimerPState *s = (IMXTimerPState *)opaque; - DPRINTF("p-write(offset=%x, value = %x)\n", (unsigned int)offset >> 2, - (unsigned int)value); - - switch (offset >> 2) { - case 0: /* CR */ - s->cr = value & 0x03ffffff; - if (s->cr & CR_SWR) { - /* handle the reset */ - imx_timerp_reset(&s->busdev.qdev); - } else { - set_timerp_freq(s); - } - - if (s->freq && (s->cr & CR_EN)) { - if (s->cr & CR_ENMOD) { - if (s->cr & CR_RLD) { - ptimer_set_limit(s->timer_reload, s->lr, 1); - } else { - ptimer_set_limit(s->timer_reload, TIMER_MAX, 1); - } - } - - imx_reload_compare_timer(s); - - ptimer_run(s->timer_reload, 1); - } else { - /* stop both timers */ - ptimer_stop(s->timer_reload); - ptimer_stop(s->timer_cmp); - } - break; - - case 1: /* SR - ACK*/ - /* writing 1 to OCIF clear the OCIF bit */ - if (value & 0x01) { - s->sr = 0; - imx_timerp_update(s); - } - break; - - case 2: /* LR - set ticks */ - s->lr = value; - - if (s->cr & CR_RLD) { - /* Also set the limit if the LRD bit is set */ - /* If IOVW bit is set then set the timer value */ - ptimer_set_limit(s->timer_reload, s->lr, s->cr & CR_IOVW); - } else if (s->cr & CR_IOVW) { - /* If IOVW bit is set then set the timer value */ - ptimer_set_count(s->timer_reload, s->lr); - } - - imx_reload_compare_timer(s); - - break; - - case 3: /* CMP */ - s->cmp = value; - - imx_reload_compare_timer(s); - - break; - - default: - IPRINTF("imx_timerp_write: Bad offset %x\n", - (int)offset >> 2); - } -} - -static void imx_timerp_reload(void *opaque) -{ - IMXTimerPState *s = (IMXTimerPState *)opaque; - - DPRINTF("imxp reload\n"); - - if (!(s->cr & CR_EN)) { - return; - } - - if (s->cr & CR_RLD) { - ptimer_set_limit(s->timer_reload, s->lr, 1); - } else { - ptimer_set_limit(s->timer_reload, TIMER_MAX, 1); - } - - if (s->cr & CR_OCIEN) { - /* if compare register is 0 then we handle the interrupt here */ - if (s->cmp == 0) { - s->sr = 1; - imx_timerp_update(s); - } else if (s->cmp <= s->lr) { - /* We should launch the compare register */ - ptimer_set_count(s->timer_cmp, s->lr - s->cmp); - ptimer_run(s->timer_cmp, 0); - } else { - IPRINTF("imxp reload: s->lr < s->cmp\n"); - } - } -} - -static void imx_timerp_cmp(void *opaque) -{ - IMXTimerPState *s = (IMXTimerPState *)opaque; - - DPRINTF("imxp compare\n"); - - ptimer_stop(s->timer_cmp); - - /* compare register is not 0 */ - if (s->cmp) { - s->sr = 1; - imx_timerp_update(s); - } -} - -void imx_timerp_create(const hwaddr addr, - qemu_irq irq, - DeviceState *ccm) -{ - IMXTimerPState *pp; - DeviceState *dev; - - dev = sysbus_create_simple("imx_timerp", addr, irq); - pp = container_of(dev, IMXTimerPState, busdev.qdev); - pp->ccm = ccm; -} - -static const MemoryRegionOps imx_timerp_ops = { - .read = imx_timerp_read, - .write = imx_timerp_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static const VMStateDescription vmstate_imx_timerp = { - .name = "imx-timerp", - .version_id = 2, - .minimum_version_id = 2, - .minimum_version_id_old = 2, - .fields = (VMStateField[]) { - VMSTATE_UINT32(cr, IMXTimerPState), - VMSTATE_UINT32(sr, IMXTimerPState), - VMSTATE_UINT32(lr, IMXTimerPState), - VMSTATE_UINT32(cmp, IMXTimerPState), - VMSTATE_UINT32(cnt, IMXTimerPState), - VMSTATE_UINT32(freq, IMXTimerPState), - VMSTATE_PTIMER(timer_reload, IMXTimerPState), - VMSTATE_PTIMER(timer_cmp, IMXTimerPState), - VMSTATE_END_OF_LIST() - } -}; - -static int imx_timerp_init(SysBusDevice *dev) -{ - IMXTimerPState *s = FROM_SYSBUS(IMXTimerPState, dev); - QEMUBH *bh; - - DPRINTF("imx_timerp_init\n"); - sysbus_init_irq(dev, &s->irq); - memory_region_init_io(&s->iomem, &imx_timerp_ops, - s, "imxp-timer", - 0x00001000); - sysbus_init_mmio(dev, &s->iomem); - - bh = qemu_bh_new(imx_timerp_reload, s); - s->timer_reload = ptimer_init(bh); - - bh = qemu_bh_new(imx_timerp_cmp, s); - s->timer_cmp = ptimer_init(bh); - - return 0; -} - - void imx_timerg_create(const hwaddr addr, qemu_irq irq, DeviceState *ccm) @@ -790,23 +450,6 @@ static void imx_timerg_class_init(ObjectClass *klass, void *data) dc->desc = "i.MX general timer"; } -static void imx_timerp_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - k->init = imx_timerp_init; - dc->vmsd = &vmstate_imx_timerp; - dc->reset = imx_timerp_reset; - dc->desc = "i.MX periodic timer"; -} - -static const TypeInfo imx_timerp_info = { - .name = "imx_timerp", - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(IMXTimerPState), - .class_init = imx_timerp_class_init, -}; - static const TypeInfo imx_timerg_info = { .name = "imx_timerg", .parent = TYPE_SYS_BUS_DEVICE, @@ -816,7 +459,6 @@ static const TypeInfo imx_timerg_info = { static void imx_timer_register_types(void) { - type_register_static(&imx_timerp_info); type_register_static(&imx_timerg_info); } |