From 6a824ec3d2e3d9b061c31aa14535eb7e08a6846c Mon Sep 17 00:00:00 2001 From: Paul Brook Date: Thu, 14 May 2009 22:35:07 +0100 Subject: ARM timers qdev conversion Signed-off-by: Paul Brook --- hw/arm_timer.c | 52 ++++++++++++++++++++++++++++++++-------------------- 1 file changed, 32 insertions(+), 20 deletions(-) (limited to 'hw/arm_timer.c') diff --git a/hw/arm_timer.c b/hw/arm_timer.c index 0eff7b948..226ecc472 100644 --- a/hw/arm_timer.c +++ b/hw/arm_timer.c @@ -7,9 +7,8 @@ * This code is licenced under the GPL. */ -#include "hw.h" +#include "sysbus.h" #include "qemu-timer.h" -#include "primecell.h" /* Common timer implementation. */ @@ -164,13 +163,12 @@ static int arm_timer_load(QEMUFile *f, void *opaque, int version_id) return 0; } -static void *arm_timer_init(uint32_t freq, qemu_irq irq) +static arm_timer_state *arm_timer_init(uint32_t freq) { arm_timer_state *s; QEMUBH *bh; s = (arm_timer_state *)qemu_mallocz(sizeof(arm_timer_state)); - s->irq = irq; s->freq = freq; s->control = TIMER_CTRL_IE; @@ -186,7 +184,8 @@ static void *arm_timer_init(uint32_t freq, qemu_irq irq) Integrator/CP timer modules. */ typedef struct { - void *timer[2]; + SysBusDevice busdev; + arm_timer_state *timer[2]; int level[2]; qemu_irq irq; } sp804_state; @@ -255,22 +254,23 @@ static int sp804_load(QEMUFile *f, void *opaque, int version_id) return 0; } -void sp804_init(uint32_t base, qemu_irq irq) +static void sp804_init(SysBusDevice *dev) { int iomemtype; - sp804_state *s; + sp804_state *s = FROM_SYSBUS(sp804_state, dev); qemu_irq *qi; - s = (sp804_state *)qemu_mallocz(sizeof(sp804_state)); qi = qemu_allocate_irqs(sp804_set_irq, s, 2); - s->irq = irq; + sysbus_init_irq(dev, &s->irq); /* ??? The timers are actually configurable between 32kHz and 1MHz, but we don't implement that. */ - s->timer[0] = arm_timer_init(1000000, qi[0]); - s->timer[1] = arm_timer_init(1000000, qi[1]); + s->timer[0] = arm_timer_init(1000000); + s->timer[1] = arm_timer_init(1000000); + s->timer[0]->irq = qi[0]; + s->timer[1]->irq = qi[1]; iomemtype = cpu_register_io_memory(0, sp804_readfn, sp804_writefn, s); - cpu_register_physical_memory(base, 0x00001000, iomemtype); + sysbus_init_mmio(dev, 0x1000, iomemtype); register_savevm("sp804", -1, 1, sp804_save, sp804_load, s); } @@ -278,7 +278,8 @@ void sp804_init(uint32_t base, qemu_irq irq) /* Integrator/CP timer module. */ typedef struct { - void *timer[3]; + SysBusDevice busdev; + arm_timer_state *timer[3]; } icp_pit_state; static uint32_t icp_pit_read(void *opaque, target_phys_addr_t offset) @@ -322,21 +323,32 @@ static CPUWriteMemoryFunc *icp_pit_writefn[] = { icp_pit_write }; -void icp_pit_init(uint32_t base, qemu_irq *pic, int irq) +static void icp_pit_init(SysBusDevice *dev) { int iomemtype; - icp_pit_state *s; + icp_pit_state *s = FROM_SYSBUS(icp_pit_state, dev); - s = (icp_pit_state *)qemu_mallocz(sizeof(icp_pit_state)); /* Timer 0 runs at the system clock speed (40MHz). */ - s->timer[0] = arm_timer_init(40000000, pic[irq]); + s->timer[0] = arm_timer_init(40000000); /* The other two timers run at 1MHz. */ - s->timer[1] = arm_timer_init(1000000, pic[irq + 1]); - s->timer[2] = arm_timer_init(1000000, pic[irq + 2]); + s->timer[1] = arm_timer_init(1000000); + s->timer[2] = arm_timer_init(1000000); + + sysbus_init_irq(dev, &s->timer[0]->irq); + sysbus_init_irq(dev, &s->timer[1]->irq); + sysbus_init_irq(dev, &s->timer[2]->irq); iomemtype = cpu_register_io_memory(0, icp_pit_readfn, icp_pit_writefn, s); - cpu_register_physical_memory(base, 0x00001000, iomemtype); + sysbus_init_mmio(dev, 0x1000, iomemtype); /* This device has no state to save/restore. The component timers will save themselves. */ } + +static void arm_timer_register_devices(void) +{ + sysbus_register_dev("integrator_pit", sizeof(icp_pit_state), icp_pit_init); + sysbus_register_dev("sp804", sizeof(sp804_state), sp804_init); +} + +device_init(arm_timer_register_devices) -- cgit v1.2.3