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Improve ck804 IOAPIC and HPET resource handling. 

Signed-off-by: Jonathan Kollasch <jakllsch@kollasch.net>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6429 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jonathan Kollasch 2011-03-03 20:52:50 +00:00 committed by Jonathan A. Kollasch
parent a73ffa0a3e
commit fadb004359
1 changed files with 40 additions and 29 deletions
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69
src/southbridge/nvidia/ck804/lpc.c
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@ -104,15 +104,6 @@ static void rom_dummy_write(device_t dev)
pci_write_config8(dev, 0x6d, new);
}
static void enable_hpet(struct device *dev)
{
unsigned long hpet_address;
pci_write_config32(dev, 0x44, 0xfed00001);
hpet_address = pci_read_config32(dev, 0x44) & 0xfffffffe;
printk(BIOS_DEBUG, "Enabling HPET @0x%lx\n", hpet_address);
}
unsigned pm_base = 0;
static void lpc_init(device_t dev)
@ -130,12 +121,6 @@ static void lpc_init(device_t dev)
return;
#endif
#if 0
/* Posted memory write enable */
byte = pci_read_config8(dev, 0x46);
pci_write_config8(dev, 0x46, byte | (1 << 0));
#endif
/* Power after power fail */
on = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
get_option(&on, "power_on_after_fail");
@ -166,12 +151,6 @@ static void lpc_init(device_t dev)
pci_write_config8(dev, 0xe8, byte);
#endif
/* Enable Error reporting. */
/* Set up sync flood detected. */
byte = pci_read_config8(dev, 0x47);
byte |= (1 << 1);
pci_write_config8(dev, 0x47, byte);
/* Set up NMI on errors. */
byte = inb(0x70); /* RTC70 */
byte_old = byte;
@ -190,9 +169,6 @@ static void lpc_init(device_t dev)
/* Initialize ISA DMA. */
isa_dma_init();
/* Initialize the High Precision Event Timers (HPET). */
enable_hpet(dev);
rom_dummy_write(dev);
}
@ -205,6 +181,9 @@ static void ck804_lpc_read_resources(device_t dev)
/* We got one for APIC, or one more for TRAP. */
pci_dev_read_resources(dev);
/* HPET */
pci_get_resource(dev, 0x44);
/* Get resource for ACPI, SYSTEM_CONTROL, ANALOG_CONTROL. */
for (index = 0x60; index <= 0x68; index += 4) /* We got another 3. */
pci_get_resource(dev, index);
@ -223,10 +202,42 @@ static void ck804_lpc_read_resources(device_t dev)
res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, 3); /* IOAPIC */
res->base = IO_APIC_ADDR;
res->size = 0x00001000;
res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
if (dev->device != PCI_DEVICE_ID_NVIDIA_CK804_SLAVE) {
res = find_resource(dev, 0x14); /* IOAPIC */
if (res) {
res->base = IO_APIC_ADDR;
res->flags |= IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
res = find_resource(dev, 0x44); /* HPET */
if (res) {
res->base = 0xfed00000;
res->flags |= IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
}
}
static void ck804_lpc_set_resources(device_t dev)
{
struct resource *res;
pci_dev_set_resources(dev);
/* APIC */
res = find_resource(dev, 0x14);
if (res) {
pci_write_config32(dev, 0x14, res->base);
res->flags |= IORESOURCE_STORED;
report_resource_stored(dev, res, "");
}
/* HPET */
res = find_resource(dev, 0x44);
if (res) {
pci_write_config32(dev, 0x44, res->base|1);
res->flags |= IORESOURCE_STORED;
report_resource_stored(dev, res, "");
}
}
/**
@ -299,7 +310,7 @@ static void ck804_lpc_enable_resources(device_t dev)
static struct device_operations lpc_ops = {
.read_resources = ck804_lpc_read_resources,
.set_resources = pci_dev_set_resources,
.set_resources = ck804_lpc_set_resources,
.enable_resources = ck804_lpc_enable_resources,
.init = lpc_init,
.scan_bus = scan_static_bus,