ASRock IMB-A180: Add new AMD Embedded G-Series SOC mainboard

Tested on Ubuntu 12.10. S3 is supported. No HD Audio.
Mainboard details: http://www.asrock.com/ipc/overview.asp?Model=IMB-A180

Change-Id: I75254194ab5da8e5c61383d8f85aa4e300815637
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Reviewed-on: http://review.coreboot.org/3880
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Dave Frodin <dave.frodin@se-eng.com>

1 files changed, 200 insertions, 0 deletions

diff --git a/src/mainboard/asrock/imb-a180/romstage.c b/src/mainboard/asrock/imb-a180/romstage.c
new file mode 100644
index 0000000000..9b069b77ce
--- /dev/null
+++ b/src/mainboard/asrock/imb-a180/romstage.c
@@ -0,0 +1,200 @@
+/*
+ * 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.
+ *
+ * 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/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 "agesawrapper.h"
+#include "cpu/x86/bist.h"
+#include "cpu/x86/lapic.h"
+#include "southbridge/amd/agesa/hudson/hudson.h"
+#include "cpu/amd/agesa/s3_resume.h"
+#include "src/drivers/pc80/i8254.c"
+#include "src/drivers/pc80/i8259.c"
+#include "cbmem.h"
+#include "superio/winbond/w83627uhg/early_serial.c"
+
+#define SERIAL_DEV PNP_DEV(0x2e, W83627UHG_SP1)
+
+void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx);
+void disable_cache_as_ram(void);
+
+void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+{
+	u32 val, t32;
+	u32 *addr32;
+#if CONFIG_HAVE_ACPI_RESUME
+	void *resume_backup_memory;
+#endif
+
+	/* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
+	 *  LpcClk[1:0]".  To be consistent with Parmer, setting to 4mA
+	 *  even though the register is not documented in the Kabini BKDG.
+	 *  Otherwise the serial output is bad code.
+	 */
+	//outb(0xD2, 0xcd6);
+	//outb(0x00, 0xcd7);
+
+	val = agesawrapper_amdinitmmio();
+
+	hudson_lpc_port80();
+
+	/* Enable the AcpiMmio space */
+	outb(0x24, 0xcd6);
+	outb(0x1, 0xcd7);
+
+	/* Set auxiliary output clock frequency on OSCOUT1 pin to be 48MHz */
+	addr32 = (u32 *)0xfed80e28;
+	t32 = *addr32;
+	t32 &= 0xfff8ffff;
+	*addr32 = t32;
+
+	/* Enable Auxiliary Clock1, disable FCH 14 MHz OscClk */
+	addr32 = (u32 *)0xfed80e40;
+	t32 = *addr32;
+	t32 &= 0xffffbffb;
+	*addr32 = t32;
+
+	if (!cpu_init_detectedx && boot_cpu()) {
+		post_code(0x30);
+		post_code(0x31);
+
+		/* Set w83627uhg to 48MHz and enable w83627uhg */
+		w83627uhg_set_input_clk_sel(SERIAL_DEV, 0);
+		w83627uhg_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);
+
+	/* On Larne, after LpcClkDrvSth is set, it needs some time to be stable, because of the buffer ICS551M */
+	int i;
+	for(i = 0; i < 200000; i++)
+		val = inb(0xcd6);
+
+	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 yangtze_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");
+
+#if CONFIG_HAVE_ACPI_RESUME
+	if (!acpi_is_wakeup_early()) { /* Check for S3 resume */
+#endif
+		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");
+		/* TODO: Disable cache is not ok. */
+		disable_cache_as_ram();
+#if CONFIG_HAVE_ACPI_RESUME
+	} else { /* S3 detect */
+		printk(BIOS_INFO, "S3 detected\n");
+
+		post_code(0x60);
+		printk(BIOS_DEBUG, "agesawrapper_amdinitresume ");
+		val = agesawrapper_amdinitresume();
+		if (val)
+			printk(BIOS_DEBUG, "error level: %x \n", val);
+		else
+			printk(BIOS_DEBUG, "passed.\n");
+
+		printk(BIOS_DEBUG, "agesawrapper_amds3laterestore ");
+		val = agesawrapper_amds3laterestore ();
+		if (val)
+			printk(BIOS_DEBUG, "error level: %x \n", val);
+		else
+			printk(BIOS_DEBUG, "passed.\n");
+
+		post_code(0x61);
+		printk(BIOS_DEBUG, "Find resume memory location\n");
+		resume_backup_memory = (void *)backup_resume();
+
+		post_code(0x62);
+		printk(BIOS_DEBUG, "Move CAR stack.\n");
+		move_stack_high_mem();
+		printk(BIOS_DEBUG, "stack moved to: 0x%x\n", (u32) (resume_backup_memory + HIGH_MEMORY_SAVE));
+
+		post_code(0x63);
+		disable_cache_as_ram();
+		printk(BIOS_DEBUG, "CAR disabled.\n");
+		set_resume_cache();
+
+		/*
+		 * Copy the system memory that is in the ramstage area to the
+		 * reserved area.
+		 */
+		if (resume_backup_memory)
+			memcpy(resume_backup_memory, (void *)(CONFIG_RAMBASE), HIGH_MEMORY_SAVE);
+
+		printk(BIOS_DEBUG, "System memory saved. OK to load ramstage.\n");
+	}
+#endif
+
+	outb(0xEA, 0xCD6);
+	outb(0x1, 0xcd7);
+	/* Initialize i8259 pic */
+	post_code(0x41);
+	setup_i8259 ();
+
+	/* Initialize i8254 timers */
+	post_code(0x42);
+	setup_i8254 ();
+
+	post_code(0x50);
+	copy_and_run();
+
+	post_code(0x54);  /* Should never see this post code. */
+}