X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Fx86%2Fcpu%2Fqueensbay%2Ftnc.c;h=0c02a44f63f673ce3475019f7a6508d3ce475288;hb=a69fdc7787bfa2f27eed74c2ee58c28ce932d502;hp=8b9815fa00574f10cac1d017a322529610b335c4;hpb=b2e02d28653edac48d6def9791f2fa0ebc491498;p=platform%2Fkernel%2Fu-boot.git

diff --git a/arch/x86/cpu/queensbay/tnc.c b/arch/x86/cpu/queensbay/tnc.c
index 8b9815f..0c02a44 100644
--- a/arch/x86/cpu/queensbay/tnc.c
+++ b/arch/x86/cpu/queensbay/tnc.c
@@ -6,43 +6,98 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/pci.h>
 #include <asm/post.h>
-#include <asm/arch/fsp/fsp_support.h>
+#include <asm/arch/device.h>
+#include <asm/arch/tnc.h>
+#include <asm/fsp/fsp_support.h>
 #include <asm/processor.h>
 
+static void unprotect_spi_flash(void)
+{
+	u32 bc;
+
+	bc = x86_pci_read_config32(TNC_LPC, 0xd8);
+	bc |= 0x1;	/* unprotect the flash */
+	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)
 {
+	int ret;
+
 	post_code(POST_CPU_INIT);
 #ifdef CONFIG_SYS_X86_TSC_TIMER
 	timer_set_base(rdtsc());
 #endif
 
-	return x86_cpu_init_f();
+	ret = x86_cpu_init_f();
+	if (ret)
+		return ret;
+
+	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();
 }