14a6acc23f
This patch adds the UART0 base address detection in uncompress.h. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
|
|
* linux/include/asm-arm/arch-realview/uncompress.h
|
|
*
|
|
* Copyright (C) 2003 ARM Limited
|
|
*
|
|
* 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
#include <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <asm/arch/board-eb.h>
|
|
#include <asm/arch/board-pb11mp.h>
|
|
#include <asm/arch/board-pb1176.h>
|
|
|
|
#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
|
|
#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
|
|
#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
|
|
#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
|
|
|
|
/*
|
|
* Return the UART base address
|
|
*/
|
|
static inline unsigned long get_uart_base(void)
|
|
{
|
|
if (machine_is_realview_eb())
|
|
return REALVIEW_EB_UART0_BASE;
|
|
else if (machine_is_realview_pb11mp())
|
|
return REALVIEW_PB11MP_UART0_BASE;
|
|
else if (machine_is_realview_pb1176())
|
|
return REALVIEW_PB1176_UART0_BASE;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* This does not append a newline
|
|
*/
|
|
static inline void putc(int c)
|
|
{
|
|
unsigned long base = get_uart_base();
|
|
|
|
while (AMBA_UART_FR(base) & (1 << 5))
|
|
barrier();
|
|
|
|
AMBA_UART_DR(base) = c;
|
|
}
|
|
|
|
static inline void flush(void)
|
|
{
|
|
unsigned long base = get_uart_base();
|
|
|
|
while (AMBA_UART_FR(base) & (1 << 3))
|
|
barrier();
|
|
}
|
|
|
|
/*
|
|
* nothing to do
|
|
*/
|
|
#define arch_decomp_setup()
|
|
#define arch_decomp_wdog()
|