mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-12 07:16:43 +07:00
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
|
|
* arch/arm/mach-at91/include/mach/uncompress.h
|
|
*
|
|
* Copyright (C) 2003 SAN People
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef __ASM_ARCH_UNCOMPRESS_H
|
|
#define __ASM_ARCH_UNCOMPRESS_H
|
|
|
|
#include <linux/io.h>
|
|
#include <linux/atmel_serial.h>
|
|
|
|
#if defined(CONFIG_AT91_EARLY_DBGU)
|
|
#define UART_OFFSET (AT91_DBGU + AT91_BASE_SYS)
|
|
#elif defined(CONFIG_AT91_EARLY_USART0)
|
|
#define UART_OFFSET AT91_USART0
|
|
#elif defined(CONFIG_AT91_EARLY_USART1)
|
|
#define UART_OFFSET AT91_USART1
|
|
#elif defined(CONFIG_AT91_EARLY_USART2)
|
|
#define UART_OFFSET AT91_USART2
|
|
#elif defined(CONFIG_AT91_EARLY_USART3)
|
|
#define UART_OFFSET AT91_USART3
|
|
#elif defined(CONFIG_AT91_EARLY_USART4)
|
|
#define UART_OFFSET AT91_USART4
|
|
#elif defined(CONFIG_AT91_EARLY_USART5)
|
|
#define UART_OFFSET AT91_USART5
|
|
#endif
|
|
|
|
/*
|
|
* The following code assumes the serial port has already been
|
|
* initialized by the bootloader. If you didn't setup a port in
|
|
* your bootloader then nothing will appear (which might be desired).
|
|
*
|
|
* This does not append a newline
|
|
*/
|
|
static void putc(int c)
|
|
{
|
|
#ifdef UART_OFFSET
|
|
void __iomem *sys = (void __iomem *) UART_OFFSET; /* physical address */
|
|
|
|
while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXRDY))
|
|
barrier();
|
|
__raw_writel(c, sys + ATMEL_US_THR);
|
|
#endif
|
|
}
|
|
|
|
static inline void flush(void)
|
|
{
|
|
#ifdef UART_OFFSET
|
|
void __iomem *sys = (void __iomem *) UART_OFFSET; /* physical address */
|
|
|
|
/* wait for transmission to complete */
|
|
while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXEMPTY))
|
|
barrier();
|
|
#endif
|
|
}
|
|
|
|
#define arch_decomp_setup()
|
|
|
|
#define arch_decomp_wdog()
|
|
|
|
#endif
|