#include <common.h>
#include <asm/io.h>
+#include <asm/irq.h>
#include <asm/pci.h>
#include <asm/post.h>
+#include <asm/arch/device.h>
#include <asm/arch/tnc.h>
-#include <asm/arch/fsp/fsp_support.h>
+#include <asm/fsp/fsp_support.h>
#include <asm/processor.h>
static void unprotect_spi_flash(void)
{
u32 bc;
- bc = pci_read_config32(PCH_LPC_DEV, 0xd8);
+ bc = x86_pci_read_config32(TNC_LPC, 0xd8);
bc |= 0x1; /* unprotect the flash */
- pci_write_config32(PCH_LPC_DEV, 0xd8, bc);
+ x86_pci_write_config32(TNC_LPC, 0xd8, bc);
+}
+
+static void __maybe_unused disable_igd(void)
+{
+ u32 gc;
+
+ gc = x86_pci_read_config32(TNC_IGD, IGD_GC);
+ gc &= ~GMS_MASK;
+ gc |= VGA_DISABLE;
+ x86_pci_write_config32(TNC_IGD, IGD_GC, gc);
}
int arch_cpu_init(void)
{
- struct pci_controller *hose;
int ret;
post_code(POST_CPU_INIT);
if (ret)
return ret;
- ret = pci_early_init_hose(&hose);
- if (ret)
- return ret;
-
- unprotect_spi_flash();
-
return 0;
}
-int print_cpuinfo(void)
+int arch_early_init_r(void)
{
- post_code(POST_CPU_INFO);
- return default_print_cpuinfo();
+#ifdef CONFIG_DISABLE_IGD
+ disable_igd();
+#endif
+
+ return 0;
}
-void reset_cpu(ulong addr)
+void cpu_irq_init(void)
{
- /* cold reset */
- outb(0x06, PORT_RESET);
+ struct tnc_rcba *rcba;
+ u32 base;
+
+ base = x86_pci_read_config32(TNC_LPC, LPC_RCBA);
+ base &= ~MEM_BAR_EN;
+ rcba = (struct tnc_rcba *)base;
+
+ /* Make sure all internal PCI devices are using INTA */
+ writel(INTA, &rcba->d02ip);
+ writel(INTA, &rcba->d03ip);
+ writel(INTA, &rcba->d27ip);
+ writel(INTA, &rcba->d31ip);
+ writel(INTA, &rcba->d23ip);
+ writel(INTA, &rcba->d24ip);
+ writel(INTA, &rcba->d25ip);
+ writel(INTA, &rcba->d26ip);
+
+ /*
+ * Route TunnelCreek PCI device interrupt pin to PIRQ
+ *
+ * Since PCIe downstream ports received INTx are routed to PIRQ
+ * A/B/C/D directly and not configurable, we have to route PCIe
+ * root ports' INTx to PIRQ A/B/C/D as well. For other devices
+ * on TunneCreek, route them to PIRQ E/F/G/H.
+ */
+ writew(PIRQE, &rcba->d02ir);
+ writew(PIRQF, &rcba->d03ir);
+ writew(PIRQG, &rcba->d27ir);
+ writew(PIRQH, &rcba->d31ir);
+ writew(PIRQA, &rcba->d23ir);
+ writew(PIRQB, &rcba->d24ir);
+ writew(PIRQC, &rcba->d25ir);
+ writew(PIRQD, &rcba->d26ir);
}
-void board_final_cleanup(void)
+int arch_misc_init(void)
{
- u32 status;
-
- /* call into FspNotify */
- debug("Calling into FSP (notify phase INIT_PHASE_BOOT): ");
- status = fsp_notify(NULL, INIT_PHASE_BOOT);
- if (status != FSP_SUCCESS)
- debug("fail, error code %x\n", status);
- else
- debug("OK\n");
+ unprotect_spi_flash();
- return;
+ return pirq_init();
}