diff options
Diffstat (limited to 'hw/timer/imx_gpt.c')
| -rw-r--r-- | hw/timer/imx_gpt.c | 85 |
1 files changed, 6 insertions, 79 deletions
diff --git a/hw/timer/imx_gpt.c b/hw/timer/imx_gpt.c index 3b3101084b..01f802e8f1 100644 --- a/hw/timer/imx_gpt.c +++ b/hw/timer/imx_gpt.c @@ -5,23 +5,18 @@ * Copyright (c) 2011 NICTA Pty Ltd * Originally written by Hans Jiang * Updated by Peter Chubb - * Updated by Jean-Christophe Dubois + * Updated by Jean-Christophe Dubois <jcd@tribudubois.net> * * 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" +#include "hw/timer/imx_gpt.h" +#include "hw/misc/imx_ccm.h" #include "qemu/main-loop.h" -#define TYPE_IMX_GPT "imx.gpt" - /* * Define to 1 for debug messages */ @@ -74,76 +69,8 @@ static char const *imx_gpt_reg_name(uint32_t reg) # define IPRINTF(fmt, args...) do {} while (0) #endif -#define IMX_GPT(obj) \ - OBJECT_CHECK(IMXGPTState, (obj), TYPE_IMX_GPT) -/* - * GPT : General purpose timer - * - * This timer counts up continuously while it is enabled, resetting itself - * to 0 when it reaches GPT_TIMER_MAX (in freerun mode) or when it - * reaches the value of one of the ocrX (in periodic mode). - */ - -#define GPT_TIMER_MAX 0XFFFFFFFFUL - -/* Control register. Not all of these bits have any effect (yet) */ -#define GPT_CR_EN (1 << 0) /* GPT Enable */ -#define GPT_CR_ENMOD (1 << 1) /* GPT Enable Mode */ -#define GPT_CR_DBGEN (1 << 2) /* GPT Debug mode enable */ -#define GPT_CR_WAITEN (1 << 3) /* GPT Wait Mode Enable */ -#define GPT_CR_DOZEN (1 << 4) /* GPT Doze mode enable */ -#define GPT_CR_STOPEN (1 << 5) /* GPT Stop Mode Enable */ -#define GPT_CR_CLKSRC_SHIFT (6) -#define GPT_CR_CLKSRC_MASK (0x7) - -#define GPT_CR_FRR (1 << 9) /* Freerun or Restart */ -#define GPT_CR_SWR (1 << 15) /* Software Reset */ -#define GPT_CR_IM1 (3 << 16) /* Input capture channel 1 mode (2 bits) */ -#define GPT_CR_IM2 (3 << 18) /* Input capture channel 2 mode (2 bits) */ -#define GPT_CR_OM1 (7 << 20) /* Output Compare Channel 1 Mode (3 bits) */ -#define GPT_CR_OM2 (7 << 23) /* Output Compare Channel 2 Mode (3 bits) */ -#define GPT_CR_OM3 (7 << 26) /* Output Compare Channel 3 Mode (3 bits) */ -#define GPT_CR_FO1 (1 << 29) /* Force Output Compare Channel 1 */ -#define GPT_CR_FO2 (1 << 30) /* Force Output Compare Channel 2 */ -#define GPT_CR_FO3 (1 << 31) /* Force Output Compare Channel 3 */ - -#define GPT_SR_OF1 (1 << 0) -#define GPT_SR_OF2 (1 << 1) -#define GPT_SR_OF3 (1 << 2) -#define GPT_SR_ROV (1 << 5) - -#define GPT_IR_OF1IE (1 << 0) -#define GPT_IR_OF2IE (1 << 1) -#define GPT_IR_OF3IE (1 << 2) -#define GPT_IR_ROVIE (1 << 5) - -typedef struct { - SysBusDevice busdev; - ptimer_state *timer; - MemoryRegion iomem; - DeviceState *ccm; - - uint32_t cr; - uint32_t pr; - uint32_t sr; - uint32_t ir; - uint32_t ocr1; - uint32_t ocr2; - uint32_t ocr3; - uint32_t icr1; - uint32_t icr2; - uint32_t cnt; - - uint32_t next_timeout; - uint32_t next_int; - - uint32_t freq; - - qemu_irq irq; -} IMXGPTState; - static const VMStateDescription vmstate_imx_timer_gpt = { - .name = "imx.gpt", + .name = TYPE_IMX_GPT, .version_id = 3, .minimum_version_id = 3, .fields = (VMStateField[]) { @@ -180,7 +107,7 @@ static void imx_gpt_set_freq(IMXGPTState *s) { uint32_t clksrc = extract32(s->cr, GPT_CR_CLKSRC_SHIFT, 3); uint32_t freq = imx_clock_frequency(s->ccm, imx_gpt_clocks[clksrc]) - / (1 + s->pr); + / (1 + s->pr); s->freq = freq; DPRINTF("Setting clksrc %d to frequency %d\n", clksrc, freq); @@ -207,7 +134,7 @@ static uint32_t imx_gpt_update_count(IMXGPTState *s) } static inline uint32_t imx_gpt_find_limit(uint32_t count, uint32_t reg, - uint32_t timeout) + uint32_t timeout) { if ((count < reg) && (timeout > reg)) { timeout = reg; |