misc: Add simple driver to enable the legacy UART on Winbond Super IO chips

[oweals/u-boot.git] / include / winbond_w83627.h

diff --git a/include/winbond_w83627.h b/include/winbond_w83627.h
new file mode 100644 (file)
index 0000000..ac3bec6
--- /dev/null
+++ b/include/winbond_w83627.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2016 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _WINBOND_W83627_H_
+#define _WINBOND_W83627_H_
+
+/* I/O address of Winbond Super IO chip */
+#define WINBOND_IO_PORT                0x2e
+
+/* Logical device number */
+#define W83627DHG_FDC          0       /* Floppy */
+#define W83627DHG_PP           1       /* Parallel port */
+#define W83627DHG_SP1          2       /* Com1 */
+#define W83627DHG_SP2          3       /* Com2 */
+#define W83627DHG_KBC          5       /* PS/2 keyboard & mouse */
+#define W83627DHG_SPI          6       /* Serial peripheral interface */
+#define W83627DHG_WDTO_PLED    8       /* WDTO#, PLED */
+#define W83627DHG_ACPI         10      /* ACPI */
+#define W83627DHG_HWM          11      /* Hardware monitor */
+#define W83627DHG_PECI_SST     12      /* PECI, SST */
+
+/**
+ * Configure the base I/O port of the specified serial device and enable the
+ * serial device.
+ *
+ * @dev: high 8 bits = super I/O port, low 8 bits = logical device number
+ * @iobase: processor I/O port address to assign to this serial device
+ * @irq: processor IRQ number to assign to this serial device
+ */
+void winbond_enable_serial(uint dev, uint iobase, uint irq);
+
+#endif /* _WINBOND_W83627_H_ */