#include <device/pci_ops.h>
#include <device/pcix.h>
#include <pc80/mc146818rtc.h>
+#include <arch/ioapic.h>
#include <delay.h>
#include "pxhd.h"
}
bridge = dev_find_slot(dev->bus->secondary, dev->path.pci.devfn & ~1);
if (!bridge) {
- printk_err("Cannot find bridge for ioapic: %s\n",
+ printk(BIOS_ERR, "Cannot find bridge for ioapic: %s\n",
dev_path(dev));
return;
}
if(bus_100Mhz) {
uint16_t word;
- printk_debug("setting pxhd bus to 100 Mhz\n");
+ printk(BIOS_DEBUG, "setting pxhd bus to 100 Mhz\n");
/* set to pcix 100 mhz */
word = pci_read_config16(dev, 0x40);
word &= ~(3 << 14);
word &= ~(3 << 9);
word |= (2 << 9);
pci_write_config16(dev, 0x40, word);
-
+
/* reset the bus to make the new frequencies effective */
pci_bus_reset(&dev->link[0]);
- }
+ }
return pcix_scan_bridge(dev, max);
}
static void pcix_init(device_t dev)
{
- uint32_t dword;
- uint16_t word;
- uint8_t byte;
- int nmi_option;
-
/* Bridge control ISA enable */
pci_write_config8(dev, 0x3e, 0x07);
+#warning "Please review lots of dead code here."
#if 0
+ int nmi_option;
+ uint32_t dword;
+ uint16_t word;
+ uint8_t byte;
/* Enable memory write and invalidate ??? */
byte = pci_read_config8(dev, 0x04);
byte |= 0x10;
pci_write_config8(dev, 0x04, byte);
-
+
/* Set drive strength */
word = pci_read_config16(dev, 0xe0);
word = 0x0404;
word = pci_read_config16(dev, 0xe4);
word = 0x0404;
pci_write_config16(dev, 0xe4, word);
-
+
/* Set impedance */
word = pci_read_config16(dev, 0xe8);
word = 0x0404;
word = pci_read_config16(dev, 0x4c);
word |= 1;
pci_write_config16(dev, 0x4c, word);
-
+
/* Set split transaction limits */
word = pci_read_config16(dev, 0xa8);
pci_write_config16(dev, 0xaa, word);
dword = pci_read_config32(dev, 0x04);
dword |= (1<<8);
pci_write_config32(dev, 0x04, dword);
-
+
/* system and error parity enable */
dword = pci_read_config32(dev, 0x3c);
dword |= (3<<16);
pci_write_config32(dev, 0x3c, dword);
-
+
/* NMI enable */
nmi_option = NMI_OFF;
get_option(&nmi_option, "nmi");
dword |= (1<<0);
pci_write_config32(dev, 0x44, dword);
}
-
+
/* Set up CRC flood enable */
dword = pci_read_config32(dev, 0xc0);
if(dword) { /* do device A only */
dword |= (1<<1);
pci_write_config32(dev, 0xc8, dword);
}
-
+
return;
#endif
}
.device = 0x032a,
};
-#define ALL (0xff << 24)
-#define NONE (0)
-#define DISABLED (1 << 16)
-#define ENABLED (0 << 16)
-#define TRIGGER_EDGE (0 << 15)
-#define TRIGGER_LEVEL (1 << 15)
-#define POLARITY_HIGH (0 << 13)
-#define POLARITY_LOW (1 << 13)
-#define PHYSICAL_DEST (0 << 11)
-#define LOGICAL_DEST (1 << 11)
-#define ExtINT (7 << 8)
-#define NMI (4 << 8)
-#define SMI (2 << 8)
-#define INT (1 << 8)
- /* IO-APIC virtual wire mode configuration */
- /* mask, trigger, polarity, destination, delivery, vector */
-
-static void setup_ioapic(device_t dev)
-{
- int i;
- unsigned long value_low, value_high;
- unsigned long ioapic_base;
- volatile unsigned long *l;
- unsigned interrupts;
-
- ioapic_base = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
- l = (unsigned long *) ioapic_base;
-
- /* Enable front side bus delivery */
- l[0] = 0x03;
- l[4] = 1;
-
- l[0] = 0x01;
- interrupts = (l[04] >> 16) & 0xff;
- for (i = 0; i < interrupts; i++) {
- l[0] = (i * 2) + 0x10;
- l[4] = DISABLED;
- value_low = l[4];
- l[0] = (i * 2) + 0x11;
- l[4] = NONE; /* Should this be an address? */
- value_high = l[4];
- if (value_low == 0xffffffff) {
- printk_warning("IO APIC not responding.\n");
- return;
- }
- }
-}
-
static void ioapic_init(device_t dev)
{
- uint32_t value;
+ uint32_t value, ioapic_base;
/* Enable bus mastering so IOAPICs work */
value = pci_read_config16(dev, PCI_COMMAND);
value |= PCI_COMMAND_MASTER;
pci_write_config16(dev, PCI_COMMAND, value);
- setup_ioapic(dev);
+ ioapic_base = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+
+ setup_ioapic(ioapic_base, 0); // Don't rename IOAPIC ID
}
static void intel_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
- pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
.ops = &ioapic_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x0326,
-
+
};
static const struct pci_driver ioapic2_driver __pci_driver = {
.ops = &ioapic_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x0327,
-
+
};
struct chip_operations southbridge_intel_pxhd_ops = {