x86: ivybridge: Use reset_cpu()

Now that reset_cpu() functions correctly, use it instead of directly
accessing the port.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/cpu/ivybridge/cpu.c

@@ -92,7 +92,7 @@ static int set_flex_ratio_to_tdp_nominal(void)
 
 	/* Issue warm reset, will be "CPU only" due to soft reset data */
 	outb(0x0, PORT_RESET);
-	outb(0x6, PORT_RESET);
+	outb(SYS_RST | RST_CPU, PORT_RESET);
 	cpu_hlt();
 
 	/* Not reached */
@@ -286,8 +286,7 @@ int print_cpuinfo(void)
 
 		/* System is not happy after keyboard reset... */
 		debug("Issuing CF9 warm reset\n");
-		outb(0x6, 0xcf9);
-		cpu_hlt();
+		reset_cpu(0);
 	}
 
 	/* Early chipset init required before RAM init can work */

arch/x86/cpu/ivybridge/early_me.c

@@ -117,7 +117,6 @@ static inline void set_global_reset(int enable)
 
 int intel_early_me_init_done(u8 status)
 {
-	u8 reset;
 	int count;
 	u32 mebase_l, mebase_h;
 	struct me_hfs hfs;
@@ -156,7 +155,6 @@ int intel_early_me_init_done(u8 status)
 	/* Check status after acknowledgement */
 	intel_early_me_status();
 
-	reset = 0;
 	switch (hfs.ack_data) {
 	case ME_HFS_ACK_CONTINUE:
 		/* Continue to boot */
@@ -164,17 +162,17 @@ int intel_early_me_init_done(u8 status)
 	case ME_HFS_ACK_RESET:
 		/* Non-power cycle reset */
 		set_global_reset(0);
-		reset = 0x06;
+		reset_cpu(0);
 		break;
 	case ME_HFS_ACK_PWR_CYCLE:
 		/* Power cycle reset */
 		set_global_reset(0);
-		reset = 0x0e;
+		x86_full_reset();
 		break;
 	case ME_HFS_ACK_GBL_RESET:
 		/* Global reset */
 		set_global_reset(1);
-		reset = 0x0e;
+		x86_full_reset();
 		break;
 	case ME_HFS_ACK_S3:
 	case ME_HFS_ACK_S4:
@@ -182,10 +180,5 @@ int intel_early_me_init_done(u8 status)
 		break;
 	}
 
-	/* Perform the requested reset */
-	if (reset) {
-		outb(reset, 0xcf9);
-		cpu_hlt();
-	}
 	return -1;
 }

arch/x86/cpu/ivybridge/sdram.c

@@ -393,8 +393,7 @@ int sdram_initialise(struct pei_data *pei_data)
 	/* If MRC data is not found we cannot continue S3 resume. */
 	if (pei_data->boot_mode == PEI_BOOT_RESUME && !pei_data->mrc_input) {
 		debug("Giving up in sdram_initialize: No MRC data\n");
-		outb(0x6, PORT_RESET);
-		cpu_hlt();
+		reset_cpu(0);
 	}
 
 	/* Pass console handler in pei_data */