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#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#undef __KERNEL__
#include <arch/io.h>
#include <string.h>
#include "chip.h"
void pci_level_irq(unsigned char intNum);
// initialize Realtek NIC
static void nic_initialize(device_t dev)
{
struct drivers_pci_rtl8139_config *cfg = (struct drivers_pci_rtl8139_config*)dev->chip_info;
uint16_t pciCmd = 0;
printk_debug("RTL8139 initialize\n");
dev->on_mainboard=1;
pci_dev_init(dev);
// Set PCI IRQ descriptors.
// This configures nothing (no magic done in VSA, too), only descriptors are set,
// that are later read by operating system to find out which irq is used by dev.
// The real GPIO to IRQ mapping configuration takes place in cs5536.c
// and is configurable in Config.lb.
printk_debug("Setting NIC IRQ to %d\n", cfg->nic_irq);
pci_write_config8(dev, PCI_INTERRUPT_LINE, cfg->nic_irq);
pci_level_irq(cfg->nic_irq);
// RTL8139 must have bus mastering for some data transfers
pciCmd = pci_read_config16(dev, PCI_COMMAND);
pciCmd |= (PCI_COMMAND_MASTER | PCI_COMMAND_IO);
pci_write_config16(dev, PCI_COMMAND, pciCmd);
}
// device operations : on PCI device init, call nic_initialize
static struct device_operations drivers_pci_rtl8139_dev_ops =
{
.init = nic_initialize,
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.scan_bus = 0,
};
/* FIRST LOOP : traversing static.c list and enabling all chips found in there
* set given device operations descriptor to call nic_initialize
* */
void nic_configure_pci(device_t dev)
{
dev->ops = &drivers_pci_rtl8139_dev_ops;
}
// PCI NIC operations
struct chip_operations drivers_pci_rtl8139_ops = {
.enable_dev = nic_configure_pci,
};
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