pcengines/apu1: Fork of amd/persimmon

Drop persimmon customization for superio, azalia, PCI-e reset etc.

Change-Id: I35f49ca67e6cc2df826f24e5a4bb3db5bb6f711e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8324
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
diff --git a/src/mainboard/pcengines/apu1/romstage.c b/src/mainboard/pcengines/apu1/romstage.c
new file mode 100644
index 0000000..d90a39d
--- /dev/null
+++ b/src/mainboard/pcengines/apu1/romstage.c
@@ -0,0 +1,109 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#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 <console/loglevel.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/amd/car.h>
+#include <northbridge/amd/agesa/agesawrapper.h>
+#include <cpu/x86/bist.h>
+#include <cpu/x86/cache.h>
+#include <sb_cimx.h>
+#include "SBPLATFORM.h"
+#include "cbmem.h"
+#include <cpu/amd/mtrr.h>
+#include <cpu/amd/agesa/s3_resume.h>
+
+
+void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+{
+	u32 val;
+
+	/*
+	 * All cores: allow caching of flash chip code and data
+	 * (there are no cache-as-ram reliability concerns with family 14h)
+	 */
+	__writemsr (0x20c, (0x0100000000ull - CACHE_ROM_SIZE) | 5);
+	__writemsr (0x20d, (0x1000000000ull - CACHE_ROM_SIZE) | 0x800);
+
+	/* All cores: set pstate 0 (1600 MHz) early to save a few ms of boot time */
+	__writemsr (0xc0010062, 0);
+
+	amd_initmmio();
+
+	if (!cpu_init_detectedx && boot_cpu()) {
+		post_code(0x30);
+		sb_Poweron_Init();
+
+		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);
+
+	post_code(0x37);
+	agesawrapper_amdinitreset();
+
+	post_code(0x39);
+	agesawrapper_amdinitearly();
+
+	int s3resume = acpi_is_wakeup_s3();
+	if (!s3resume) {
+		post_code(0x40);
+		agesawrapper_amdinitpost();
+
+		post_code(0x42);
+		agesawrapper_amdinitenv();
+		amd_initenv();
+
+	} else { 			/* S3 detect */
+		printk(BIOS_INFO, "S3 detected\n");
+
+		post_code(0x60);
+		agesawrapper_amdinitresume();
+
+		agesawrapper_amds3laterestore();
+
+		post_code(0x61);
+		prepare_for_resume();
+	}
+
+	post_code(0x50);
+	copy_and_run();
+	printk(BIOS_ERR, "Error: copy_and_run() returned!\n");
+
+	post_code(0x54);	/* Should never see this post code. */
+}