nb/intel/pineview: Move the boilerplate mainboard_romstage_entry

The mainboard_romstage_entry function is mostly boilerplate, so move
it to a common location and provide mainboard specific callbacks.

Change-Id: I33cf1d6a60d272f490f41205ec725dee8b00242b
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/30851
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

3 files changed, 126 insertions, 0 deletions

diff --git a/src/northbridge/intel/pineview/Makefile.inc b/src/northbridge/intel/pineview/Makefile.inc
index d7936c1fbf..524bcae372 100644
--- a/src/northbridge/intel/pineview/Makefile.inc
+++ b/src/northbridge/intel/pineview/Makefile.inc
@@ -21,6 +21,7 @@ ramstage-y += northbridge.c
 ramstage-y += gma.c
 ramstage-y += acpi.c
 
+romstage-y += romstage.c
 romstage-y += ram_calc.c
 romstage-y += raminit.c
 romstage-y += early_init.c
diff --git a/src/northbridge/intel/pineview/pineview.h b/src/northbridge/intel/pineview/pineview.h
index 8c32e17113..65d21cfb8d 100644
--- a/src/northbridge/intel/pineview/pineview.h
+++ b/src/northbridge/intel/pineview/pineview.h
@@ -235,6 +235,11 @@ u32 decode_igd_memory_size(const u32 gms);
 u32 decode_igd_gtt_size(const u32 gsm);
 u8 decode_pciebar(u32 *const base, u32 *const len);
 
+/* Mainboard romstage callback functions */
+void mb_enable_lpc(void);
+void get_mb_spd_addrmap(u8 *spd_addr_map);
+void mb_pirq_setup(void); /* optional */
+
 struct acpi_rsdp;
 unsigned long northbridge_write_acpi_tables(unsigned long start, struct acpi_rsdp *rsdp);
 
diff --git a/src/northbridge/intel/pineview/romstage.c b/src/northbridge/intel/pineview/romstage.c
new file mode 100644
index 0000000000..10ac0f53b4
--- /dev/null
+++ b/src/northbridge/intel/pineview/romstage.c
@@ -0,0 +1,120 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015  Damien Zammit <damien@zamaudio.com>
+ *
+ * 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.
+ */
+
+/* Platform has no romstage entry point under mainboard directory,
+ * so this one is named with prefix mainboard.
+ */
+
+#include <lib.h>
+#include <timestamp.h>
+#include <console/console.h>
+#include <cbmem.h>
+#include <romstage_handoff.h>
+#include <southbridge/intel/i82801gx/i82801gx.h>
+#include <southbridge/intel/common/gpio.h>
+#include <cpu/intel/romstage.h>
+#include <cpu/x86/bist.h>
+#include <cpu/x86/lapic.h>
+#include "raminit.h"
+#include "pineview.h"
+
+static void rcba_config(void)
+{
+	/* Set up virtual channel 0 */
+	RCBA32(0x0014) = 0x80000001;
+	RCBA32(0x001c) = 0x03128010;
+
+	/* Enable IOAPIC */
+	RCBA8(OIC) = 0x03;
+}
+
+__weak void mb_pirq_setup(void)
+{
+}
+
+#define LPC_DEV PCI_DEV(0x0, 0x1f, 0x0)
+
+void mainboard_romstage_entry(unsigned long bist)
+{
+	u8 spd_addrmap[4] = {};
+	int boot_path, cbmem_was_initted;
+	int s3resume = 0;
+
+	if (bist == 0)
+		enable_lapic();
+
+	/* Disable watchdog timer */
+	RCBA32(GCS) = RCBA32(GCS) | 0x20;
+
+	/* Enable GPIOs */
+	pci_write_config32(LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE | 1);
+	pci_write_config8(LPC_DEV, GPIO_CNTL, 0x10);
+
+	setup_pch_gpios(&mainboard_gpio_map);
+
+	mb_enable_lpc(); // nm10_enable_lpc
+
+	/* Initialize console device(s) */
+	console_init();
+
+	/* Halt if there was a built in self test failure */
+	report_bist_failure(bist);
+
+	enable_smbus();
+
+	/* Perform some early chipset initialization required
+	 * before RAM initialization can work
+	 */
+	pineview_early_initialization();
+
+	post_code(0x30);
+
+	s3resume = southbridge_detect_s3_resume();
+
+	if (s3resume) {
+		boot_path = BOOT_PATH_RESUME;
+	} else {
+		if (MCHBAR32(0xf14) & (1 << 8)) /* HOT RESET */
+			boot_path = BOOT_PATH_RESET;
+		else
+			boot_path = BOOT_PATH_NORMAL;
+	}
+
+	get_mb_spd_addrmap(&spd_addrmap[0]);
+
+	printk(BIOS_DEBUG, "Initializing memory\n");
+	timestamp_add_now(TS_BEFORE_INITRAM);
+	sdram_initialize(boot_path, spd_addrmap);
+	timestamp_add_now(TS_AFTER_INITRAM);
+	printk(BIOS_DEBUG, "Memory initialized\n");
+
+	post_code(0x31);
+
+	quick_ram_check();
+
+	mb_pirq_setup();
+
+	rcba_config();
+
+	cbmem_was_initted = !cbmem_recovery(s3resume);
+
+	if (!cbmem_was_initted && s3resume) {
+		/* Failed S3 resume, reset to come up cleanly */
+		outb(0x6, 0xcf9);
+		halt();
+	}
+
+	romstage_handoff_init(s3resume);
+}