You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
1.9 KiB
76 lines
1.9 KiB
/*
|
|
* include/asm-arm/arch-netx/uncompress.h
|
|
*
|
|
* Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/*
|
|
* The following code assumes the serial port has already been
|
|
* initialized by the bootloader. We search for the first enabled
|
|
* port in the most probable order. If you didn't setup a port in
|
|
* your bootloader then nothing will appear (which might be desired).
|
|
*
|
|
* This does not append a newline
|
|
*/
|
|
|
|
#define REG(x) (*(volatile unsigned long *)(x))
|
|
|
|
#define UART1_BASE 0x100a00
|
|
#define UART2_BASE 0x100a80
|
|
|
|
#define UART_DR 0x0
|
|
|
|
#define UART_CR 0x14
|
|
#define CR_UART_EN (1<<0)
|
|
|
|
#define UART_FR 0x18
|
|
#define FR_BUSY (1<<3)
|
|
#define FR_TXFF (1<<5)
|
|
|
|
static void putc(char c)
|
|
{
|
|
unsigned long base;
|
|
|
|
if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
|
|
base = UART1_BASE;
|
|
else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
|
|
base = UART2_BASE;
|
|
else
|
|
return;
|
|
|
|
while (REG(base + UART_FR) & FR_TXFF);
|
|
REG(base + UART_DR) = c;
|
|
}
|
|
|
|
static inline void flush(void)
|
|
{
|
|
unsigned long base;
|
|
|
|
if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
|
|
base = UART1_BASE;
|
|
else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
|
|
base = UART2_BASE;
|
|
else
|
|
return;
|
|
|
|
while (REG(base + UART_FR) & FR_BUSY);
|
|
}
|
|
|
|
/*
|
|
* nothing to do
|
|
*/
|
|
#define arch_decomp_setup()
|
|
#define arch_decomp_wdog()
|
|
|