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Add an api to enable and configure the integrated keyboard controller on SMSC LPC47m superio chipset. It also adds several macros to help future extension. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _SMSC_LPC47M_H_
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#define _SMSC_LPC47M_H_
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/* I/O address of LPC47M */
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#define LPC47M_IO_PORT 0x2e
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/* Logical device number */
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#define LPC47M_FDC 0 /* Floppy */
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#define LPC47M_SP2 2 /* Serial Port 2 */
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#define LPC47M_PP 3 /* Parallel Port */
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#define LPC47M_SP1 4 /* Serial Port 1 */
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#define LPC47M_KBC 7 /* Keyboard & Mouse */
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#define LPC47M_PME 10 /* Power Control */
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/**
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* Configure the base I/O port of the specified serial device and enable the
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* serial device.
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*
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* @dev: high 8 bits = super I/O port, low 8 bits = logical device number
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* @iobase: processor I/O port address to assign to this serial device
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* @irq: processor IRQ number to assign to this serial device
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*/
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void lpc47m_enable_serial(uint dev, uint iobase, uint irq);
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/**
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* Configure the specified keyboard controller device and enable the keyboard
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* controller device.
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*
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* @dev: high 8 bits = Super I/O port, low 8 bits = logical device number
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* @irq0: processor IRQ number to assign to keyboard
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* @irq1: processor IRQ number to assign to mouse
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*/
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void lpc47m_enable_kbc(uint dev, uint irq0, uint irq1);
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#endif /* _SMSC_LPC47M_H_ */
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