1 files changed, 38 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/arch-apollolake/uart.h b/roms/u-boot/arch/x86/include/asm/arch-apollolake/uart.h
new file mode 100644
index 000000000..c3ca171b8
--- /dev/null
+++ b/roms/u-boot/arch/x86/include/asm/arch-apollolake/uart.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+
+#ifndef _ASM_ARCH_UART_H
+#define _ASM_ARCH_UART_H
+
+#include <dt-structs.h>
+#include <ns16550.h>
+
+/**
+ * struct apl_ns16550_plat - platform data for the APL UART
+ *
+ * Note that when of-platdata is in use, apl_ns16550_of_to_plat() actually
+ * copies the ns16550_plat contents to the start of this struct, meaning that
+ * dtplat is no-longer valid. This is done so that the ns16550 driver can use
+ * dev_get_plat() without any offsets or adjustments.
+ */
+struct apl_ns16550_plat {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+	struct dtd_intel_apl_ns16550 dtplat;
+#endif
+	struct ns16550_plat ns16550;
+};
+
+/**
+ * apl_uart_init() - Set up the APL UART device and clock
+ *
+ * This enables the PCI device, sets up the MMIO region and turns on the clock
+ * using LPSS.
+ *
+ * The UART won't actually work unless the GPIO settings are correct and the
+ * signals actually exit the SoC. See board_debug_uart_init() for that.
+ */
+void apl_uart_init(pci_dev_t bdf, ulong base);
+
+#endif