1 files changed, 84 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c
new file mode 100644
index 0000000000..540e322b95
--- /dev/null
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c
@@ -0,0 +1,84 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Siemens AG
+ *
+ * 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 <bootstate.h>
+#include <console/console.h>
+#include <gpio.h>
+#include <hwilib.h>
+#include <intelblocks/lpc_lib.h>
+#include <intelblocks/pcr.h>
+#include <soc/pcr_ids.h>
+#include <timer.h>
+#include <timestamp.h>
+#include <baseboard/variants.h>
+#include <variant/ptn3460.h>
+
+void variant_mainboard_final(void)
+{
+	int status;
+
+	/*
+	 * Set up the DP2LVDS converter.
+	 * ptn3460_init() may only be executed after i2c bus init.
+	 */
+	status = ptn3460_init("hwinfo.hex");
+	if (status)
+		printk(BIOS_ERR, "LCD: Set up PTN with status 0x%x\n", status);
+	else
+		printk(BIOS_INFO, "LCD: Set up PTN was successful.\n");
+
+	/* Enable additional I/O decoding range on LPC for COM 3 */
+	lpc_open_pmio_window(0x3e8, 8);
+
+	/*
+	 * PIR6 register mapping for PCIe root ports
+	 * INTA#->PIRQB#, INTB#->PIRQC#, INTC#->PIRQD#, INTD#-> PIRQA#
+	 */
+	pcr_write16(PID_ITSS, 0x314c, 0x0321);
+}
+
+static void wait_for_legacy_dev(void *unused)
+{
+	uint32_t legacy_delay, us_since_boot;
+	struct stopwatch sw;
+
+	/* Open main hwinfo block. */
+	if (hwilib_find_blocks("hwinfo.hex") != CB_SUCCESS)
+		return;
+
+	/* Get legacy delay parameter from hwinfo. */
+	if (hwilib_get_field(LegacyDelay, (uint8_t *) &legacy_delay,
+			      sizeof(legacy_delay)) != sizeof(legacy_delay))
+		return;
+
+	us_since_boot = get_us_since_boot();
+	/* No need to wait if the time since boot is already long enough.*/
+	if (us_since_boot > legacy_delay)
+		return;
+	stopwatch_init_msecs_expire(&sw, (legacy_delay - us_since_boot) / 1000);
+	printk(BIOS_NOTICE, "Wait remaining %d of %d us for legacy devices...",
+			legacy_delay - us_since_boot, legacy_delay);
+	stopwatch_wait_until_expired(&sw);
+	printk(BIOS_NOTICE, "done!\n");
+}
+
+static void finalize_boot(void *unused)
+{
+	/* Set coreboot ready LED. */
+	gpio_output(CNV_RGI_DT, 1);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_DEV_ENUMERATE, BS_ON_ENTRY, wait_for_legacy_dev, NULL);
+BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, finalize_boot, NULL);