static void lpc_init(struct device *dev)
{
printk(BIOS_DEBUG, "pch: lpc_init\n");
/* Set the value for PCI command register. */
pci_write_config16(dev, PCI_COMMAND, 0x000f);
/* IO APIC initialization. */
pch_enable_ioapic(dev);
pch_enable_serial_irqs(dev);
/* Setup the PIRQ. */
pch_pirq_init(dev);
/* Setup power options. */
pch_power_options(dev);
/* Initialize power management */
switch (pch_silicon_type()) {
case PCH_TYPE_CPT: /* CougarPoint */
cpt_pm_init(dev);
break;
case PCH_TYPE_PPT: /* PantherPoint */
ppt_pm_init(dev);
break;
default:
printk(BIOS_ERR, "Unknown Chipset: 0x%04x\n", dev->device);
}
/* Set the state of the GPIO lines. */
//gpio_init(dev);
/* Initialize the real time clock. */
pch_rtc_init(dev);
/* Initialize ISA DMA. */
isa_dma_init();
/* Initialize the High Precision Event Timers, if present. */
enable_hpet();
/* Initialize Clock Gating */
enable_clock_gating(dev);
setup_i8259();
/* The OS should do this? */
/* Interrupt 9 should be level triggered (SCI) */
i8259_configure_irq_trigger(9, 1);
pch_disable_smm_only_flashing(dev);
#if CONFIG_HAVE_SMI_HANDLER
pch_lock_smm(dev);
#endif
pch_fixups(dev);
}
static void lpc_init(struct device *dev)
{
printk(BIOS_DEBUG, "i82801gx: lpc_init\n");
/* Set the value for PCI command register. */
pci_write_config16(dev, PCI_COMMAND, 0x000f);
/* IO APIC initialization. */
i82801gx_enable_ioapic(dev);
i82801gx_enable_serial_irqs(dev);
/* Setup the PIRQ. */
i82801gx_pirq_init(dev);
/* Setup power options. */
i82801gx_power_options(dev);
/* Configure Cx state registers */
i82801gx_configure_cstates(dev);
/* Set the state of the GPIO lines. */
//gpio_init(dev);
/* Initialize the real time clock. */
i82801gx_rtc_init(dev);
/* Initialize ISA DMA. */
isa_dma_init();
/* Initialize the High Precision Event Timers, if present. */
enable_hpet();
/* Initialize Clock Gating */
enable_clock_gating();
setup_i8259();
/* The OS should do this? */
/* Interrupt 9 should be level triggered (SCI) */
i8259_configure_irq_trigger(9, 1);
#if CONFIG_HAVE_SMI_HANDLER
i82801gx_lock_smm(dev);
#endif
i82801gx_spi_init();
i82801gx_fixups(dev);
}
void lpc_soc_init(struct device *dev)
{
/* Legacy initialization */
isa_dma_init();
pch_misc_init();
/* Enable CLKRUN_EN for power gating LPC */
lpc_enable_pci_clk_cntl();
/* Set LPC Serial IRQ mode */
if (IS_ENABLED(CONFIG_SERIRQ_CONTINUOUS_MODE))
lpc_set_serirq_mode(SERIRQ_CONTINUOUS);
else
lpc_set_serirq_mode(SERIRQ_QUIET);
/* Interrupt configuration */
pch_enable_ioapic(dev);
soc_pch_pirq_init(dev);
setup_i8259();
i8259_configure_irq_trigger(9, 1);
clock_gate_8254(dev);
soc_mirror_dmi_pcr_io_dec();
}
