mainboard/bap/ode_e21XX: Add copy of amd/olivehillplus

Initial copy of olivehillplus.

Change-Id: Ibe9b450c05bfad15a95852addb1465ac2d3cef61
Signed-off-by: Fabian Kunkel <fabi@adv.bruhnspace.com>
Reviewed-on: https://review.coreboot.org/15917
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/mainboard/bap/ode_e21XX/romstage.c b/src/mainboard/bap/ode_e21XX/romstage.c
new file mode 100644
index 0000000..a5c529e
--- /dev/null
+++ b/src/mainboard/bap/ode_e21XX/romstage.c
@@ -0,0 +1,120 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/acpi.h>
+#include <arch/io.h>
+#include <arch/stages.h>
+#include <device/pnp_def.h>
+#include <arch/cpu.h>
+#include <cpu/x86/lapic.h>
+#include <console/console.h>
+#include <commonlib/loglevel.h>
+#include <cpu/amd/car.h>
+#include <northbridge/amd/pi/agesawrapper.h>
+#include <northbridge/amd/pi/agesawrapper_call.h>
+#include <cpu/x86/bist.h>
+#include <cpu/x86/lapic.h>
+#include <southbridge/amd/pi/hudson/hudson.h>
+#include <cpu/amd/pi/s3_resume.h>
+
+void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+{
+	u32 val;
+
+	/*
+	 *  In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
+	 *  LpcClk[1:0]".  This following register setting has been
+	 *  replicated in every reference design since Parmer, so it is
+	 *  believed to be required even though it is not documented in
+	 *  the SoC BKDGs.  Without this setting, there is no serial
+	 *  output.
+	 */
+	outb(0xD2, 0xcd6);
+	outb(0x00, 0xcd7);
+
+	amd_initmmio();
+
+	hudson_lpc_port80();
+
+	if (!cpu_init_detectedx && boot_cpu()) {
+		post_code(0x30);
+
+		post_code(0x31);
+		console_init();
+	}
+
+	/* Halt if there was a built in self test failure */
+	post_code(0x34);
+	report_bist_failure(bist);
+
+	/* Load MPB */
+	val = cpuid_eax(1);
+	printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
+	printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
+
+	/*
+	 * This refers to LpcClkDrvSth settling time.  Without this setting, processor
+	 * initialization is slow or incorrect, so this wait has been replicated from
+	 * earlier development boards.
+	 */
+	{
+		int i;
+		for(i = 0; i < 200000; i++) inb(0xCD6);
+	}
+
+	post_code(0x37);
+	AGESAWRAPPER(amdinitreset);
+
+	post_code(0x38);
+	printk(BIOS_DEBUG, "Got past avalon_early_setup\n");
+
+	post_code(0x39);
+	AGESAWRAPPER(amdinitearly);
+	int s3resume = acpi_is_wakeup_s3();
+	if (!s3resume) {
+		post_code(0x40);
+		AGESAWRAPPER(amdinitpost);
+
+		//PspMboxBiosCmdDramInfo();
+		post_code(0x41);
+		AGESAWRAPPER(amdinitenv);
+		/*
+		  If code hangs here, please check cahaltasm.S
+		*/
+		disable_cache_as_ram();
+	} else { /* S3 detect */
+		printk(BIOS_INFO, "S3 detected\n");
+
+		post_code(0x60);
+		AGESAWRAPPER(amdinitresume);
+
+		AGESAWRAPPER(amds3laterestore);
+
+		post_code(0x61);
+		prepare_for_resume();
+	}
+
+	outb(0xEA, 0xCD6);
+	outb(0x1, 0xcd7);
+
+	post_code(0x50);
+	copy_and_run();
+
+	post_code(0x54);  /* Should never see this post code. */
+}