mainboard: Add AMD unionstation RDK support

AMD unionstation Reference Design Kit is Designed for hd settop box application.
This platform using family14 APU, SB800 southbridge.
Vgabios is required, can download vgabios from AMD NDA website.
Verified Feature:
 HDMI, LAN, mini-pcie slots, sata, usb, analog audio and
 optical fiber digital audio output.

Change-Id: Ib1d1d8c889d6fb29f4298b57dfe5c5c1cea1431c
Signed-off-by: Kerry She <kerry.she@amd.com>
Signed-off-by: Kerry She <shekairui@gmail.com>
Reviewed-on: http://review.coreboot.org/434
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/src/mainboard/amd/union_station/romstage.c b/src/mainboard/amd/union_station/romstage.c
new file mode 100644
index 0000000000..e7f05e84f5
--- /dev/null
+++ b/src/mainboard/amd/union_station/romstage.c
@@ -0,0 +1,107 @@
+/*
+ * 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 <lib.h>
+#include <stdint.h>
+#include <string.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <arch/stages.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#include <arch/cpu.h>
+#include <cpu/x86/lapic.h>
+#include <console/console.h>
+#include <console/loglevel.h>
+#include "agesawrapper.h"
+#include "cpu/x86/bist.h"
+#include "superio/fintek/f81865f/f81865f_early_serial.c"
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "sb_cimx.h"
+#include "SBPLATFORM.h"
+
+#define SERIAL_DEV PNP_DEV(0x4e, F81865F_SP1)
+
+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 - CONFIG_ROM_SIZE) | 5);
+	__writemsr (0x20d, (0x1000000000ull - CONFIG_ROM_SIZE) | 0x800);
+
+	if (!cpu_init_detectedx && boot_cpu()) {
+		post_code(0x30);
+		sb_Poweron_Init();
+
+		post_code(0x31);
+		f81865f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+		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(0x35);
+	val = agesawrapper_amdinitmmio();
+
+	post_code(0x37);
+	val = agesawrapper_amdinitreset();
+	if(val) {
+		printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
+	}
+
+	post_code(0x38);
+	printk(BIOS_DEBUG, "Got past sb800_early_setup\n");
+
+	post_code(0x39);
+	val = agesawrapper_amdinitearly ();
+	if(val) {
+		printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
+	}
+	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitearly\n");
+
+	post_code(0x40);
+	val = agesawrapper_amdinitpost ();
+	if(val) {
+		printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
+	}
+	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitpost\n");
+
+	post_code(0x41);
+	val = agesawrapper_amdinitenv ();
+	if(val) {
+		printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
+	}
+	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitenv\n");
+
+	post_code(0x50);
+	copy_and_run(0);
+
+	post_code(0x54);  // Should never see this post code.
+}
+