genode/os/include/platform/vpb926/pl011_defs.h
2011-12-22 16:19:25 +01:00

68 lines
1.7 KiB
C

/*
* \brief PL011 UART definitions for the Versatile Platform Baseboard 926
* \author Christian Helmuth
* \date 2011-11-09
*/
/*
* Copyright (C) 2011 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _INCLUDE__PLATFORM__VPB926__PL011_DEFS_H_
#define _INCLUDE__PLATFORM__VPB926__PL011_DEFS_H_
#warning pl011 untested on vpb926
enum {
/** Number of UARTs */
PL011_NUM = 4,
/**
* MMIO regions
*/
PL011_PHYS0 = 0x101f1000, /* base for UART 0 */
PL011_PHYS1 = 0x101f2000, /* base for UART 1 */
PL011_PHYS2 = 0x101f3000, /* base for UART 2 */
PL011_PHYS3 = 0x10009000, /* base for UART 3 */
PL011_SIZE = 0x1000, /* size of each MMIO region */
/**
* Interrupt lines
*/
/* FIXME find correct vectors */
PL011_IRQ0 = 12, /* UART 0 on primary */
PL011_IRQ1 = 13, /* UART 1 on primary */
PL011_IRQ2 = 14, /* UART 2 on primary */
PL011_IRQ3 = 6, /* UART 3 on secondary */
/**
* UART baud rate configuration (precalculated)
*
* div = 24000000 / 16 / baud rate
* IBRD = floor(div)
* FBRD = floor((div - IBRD) * 64 + 0.5)
*/
/* FIXME calculate correct / check values */
PL011_IBRD_115200 = 13, PL011_FBRD_115200 = 1,
PL011_IBRD_19200 = 78, PL011_FBRD_19200 = 8,
PL011_IBRD_9600 = 156, PL011_FBRD_9600 = 16,
};
static struct Pl011_uart {
Genode::addr_t mmio_base;
Genode::size_t mmio_size;
int irq_number;
} pl011_uart[PL011_NUM] = {
{ PL011_PHYS0, PL011_SIZE, PL011_IRQ0 },
{ PL011_PHYS1, PL011_SIZE, PL011_IRQ1 },
{ PL011_PHYS2, PL011_SIZE, PL011_IRQ2 },
{ PL011_PHYS3, PL011_SIZE, PL011_IRQ3 },
};
#endif /* _INCLUDE__PLATFORM__VPB926__PL011_DEFS_H_ */