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stub out acpi gpio regs

This commit is contained in:
espes 2015-07-02 16:55:41 +10:00
parent 9c1123bd4e
commit b9eda55bfb
2 changed files with 40 additions and 8 deletions

44
hw/xbox/acpi_xbox.c
View File

@ -33,14 +33,41 @@
#include "hw/xbox/acpi_xbox.h"
//#define DEBUG
// #define DEBUG
#ifdef DEBUG
# define XBOX_DPRINTF(format, ...) printf(format, ## __VA_ARGS__)
#else
# define XBOX_DPRINTF(format, ...) do { } while (0)
#endif
#define XBOX_PM_GPIO_BASE 0xC0
#define XBOX_PM_GPIO_LEN 26
static uint64_t xbox_pm_gpio_read(void *opaque, hwaddr addr, unsigned width)
{
uint64_t r = 0;
switch (addr) {
case 0:
// field pin from tv encoder?
r = 0;
break;
default:
break;
}
XBOX_DPRINTF("pm gpio read [0x%llx] -> 0x%llx\n", addr, r);
return r;
}
static void xbox_pm_gpio_write(void *opaque, hwaddr addr, uint64_t val,
unsigned width)
{
XBOX_DPRINTF("pm gpio write [0x%llx] = 0x%llx\n", addr, val);
}
static const MemoryRegionOps xbox_pm_gpio_ops = {
.read = xbox_pm_gpio_read,
.write = xbox_pm_gpio_write,
};
static void xbox_pm_update_sci_fn(ACPIREGS *regs)
{
@ -48,19 +75,22 @@ static void xbox_pm_update_sci_fn(ACPIREGS *regs)
//pm_update_sci(pm);
}
#define XBOX_PM_BASE_BAR 0
void xbox_pm_init(PCIDevice *dev, XBOX_PMRegs *pm, qemu_irq sci_irq) {
memory_region_init(&pm->bar, OBJECT(dev), "xbox-pm-bar", 256);
memory_region_init(&pm->io, OBJECT(dev), "xbox-pm", 256);
pci_register_bar(dev, XBOX_PM_BASE_BAR, PCI_BASE_ADDRESS_SPACE_IO,
&pm->bar);
&pm->io);
acpi_pm_tmr_init(&pm->acpi_regs, xbox_pm_update_sci_fn, &pm->io);
acpi_pm1_evt_init(&pm->acpi_regs, xbox_pm_update_sci_fn, &pm->io);
acpi_pm1_cnt_init(&pm->acpi_regs, &pm->io, 2);
acpi_pm_tmr_init(&pm->acpi_regs, xbox_pm_update_sci_fn, &pm->bar);
acpi_pm1_evt_init(&pm->acpi_regs, xbox_pm_update_sci_fn, &pm->bar);
acpi_pm1_cnt_init(&pm->acpi_regs, &pm->bar, 2);
memory_region_init_io(&pm->io_gpio, OBJECT(dev), &xbox_pm_gpio_ops, pm,
"xbox-pm-gpio", XBOX_PM_GPIO_LEN);
memory_region_add_subregion(&pm->io, XBOX_PM_GPIO_BASE, &pm->io_gpio);
pm->irq = sci_irq;
}

4
hw/xbox/acpi_xbox.h
View File

@ -23,9 +23,11 @@
#include "hw/acpi/acpi.h"
typedef struct XBOX_PMRegs {
MemoryRegion bar;
ACPIREGS acpi_regs;
MemoryRegion io;
MemoryRegion io_gpio;
qemu_irq irq;
} XBOX_PMRegs;