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/*
* (C) 2004 Linux Networx
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include "esb6300.h"
#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)
static void setup_ioapic(device_t dev)
{
int i;
unsigned long value_low, value_high;
unsigned long ioapic_base = 0xfec10000;
volatile unsigned long *l;
unsigned interrupts;
l = (unsigned long *) ioapic_base;
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("%s IO APIC not responding.\n",
dev_path(dev));
return;
}
}
}
static void pic_init(struct device *dev)
{
uint16_t word;
/* Clear system errors */
word = pci_read_config16(dev, 0x06);
word |= 0xf900; /* Clear possible errors */
pci_write_config16(dev, 0x06, word);
/* enable interrupt lines */
pci_write_config8(dev, 0x3c, 0xff);
/* Setup the ioapic */
setup_ioapic(dev);
}
static void pic_read_resources(device_t dev)
{
struct resource *res;
/* Get the normal pci resources of this device */
pci_dev_read_resources(dev);
/* Report the pic1 mbar resource */
res = new_resource(dev, 0x44);
res->base = 0xfec10000;
res->size = 256;
res->limit = res->base + res->size -1;
res->align = 8;
res->gran = 8;
res->flags = IORESOURCE_MEM | IORESOURCE_FIXED |
IORESOURCE_STORED | IORESOURCE_ASSIGNED;
dev->command |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
}
static struct pci_operations lops_pci = {
/* Can we set the pci subsystem and device id? */
.set_subsystem = 0,
};
static struct device_operations pci_ops = {
.read_resources = pic_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = pic_init,
.scan_bus = 0,
.enable = esb6300_enable,
.ops_pci = &lops_pci,
};
static const struct pci_driver pci_driver __pci_driver = {
.ops = &pci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_6300ESB_APIC1,
};
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