mainboard/portwell/m107: Do initial mainboard commit

Initial support for Portwell PQ7-M107 (Q7) module.
Code based on Intel Strago mainboard.

BUG=N/A
TEST=booting SeaBIOS and Linux 4.20 kernel on PQ7-M107

Change-Id: I7d3173fdcf881f894a75cd9798ba173b425d4e62
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/29470
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/src/mainboard/portwell/m107/romstage.c b/src/mainboard/portwell/m107/romstage.c
new file mode 100644
index 0000000000..0fe76864ec
--- /dev/null
+++ b/src/mainboard/portwell/m107/romstage.c
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corp.
+ * Copyright (C) 2018-2019 Eltan B.V.
+ *
+ * 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 <cbfs.h>
+#include <console/console.h>
+#include <chip.h>
+#include <device/pci_ops.h>
+#include <soc/lpc.h>
+#include <soc/pci_devs.h>
+#include <soc/romstage.h>
+#include <spd_bin.h>
+#include <stdint.h>
+
+void mainboard_memory_init_params(struct romstage_params *params,
+	MEMORY_INIT_UPD *memory_params)
+{
+	struct region_device spd_rdev;
+	u8 spd_index = 0;
+
+	if (CONFIG(ONBOARD_MEM_MICRON))
+		spd_index = 1;
+	if (get_spd_cbfs_rdev(&spd_rdev, spd_index) < 0)
+		die("spd.bin not found\n");
+
+	memory_params->PcdMemoryTypeEnable = MEM_DDR3;
+	memory_params->PcdMemorySpdPtr = (uintptr_t)rdev_mmap_full(&spd_rdev);
+	memory_params->PcdMemChannel0Config = 1; /* Memory down */
+	memory_params->PcdMemChannel1Config = 2; /* Disabled */
+}
+
+void mainboard_after_memory_init(void)
+{
+	printk(BIOS_DEBUG, "%s/%s called\n", __FILE__, __func__);
+
+	/* Disable the Braswell UART hardware for COM1. */
+	pci_write_config32(PCI_DEV(0, LPC_DEV, 0), UART_CONT, 0);
+}