c5f800656b
v2: Fixes from Mike Rapoport - remove unused header files (mach/dma.h and mach/nand.h) - remove tegra 1 references from Makefile.boot v2: fixes from Russell King - remove mach/io.h include from mach/iomap.h - fix whitespace in Kconfig v2: from Colin Cross - fix invalid immediate in debug-macro.S v3: - allow selection of multiple boards Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Erik Gilling <konkers@android.com>
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
|
|
* arch/arm/mach-tegra/include/mach/uncompress.h
|
|
*
|
|
* Copyright (C) 2010 Google, Inc.
|
|
*
|
|
* Author:
|
|
* Colin Cross <ccross@google.com>
|
|
* Erik Gilling <konkers@google.com>
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef __MACH_TEGRA_UNCOMPRESS_H
|
|
#define __MACH_TEGRA_UNCOMPRESS_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/serial_reg.h>
|
|
|
|
#include <mach/iomap.h>
|
|
|
|
#if defined(CONFIG_TEGRA_DEBUG_UARTA)
|
|
#define DEBUG_UART_BASE TEGRA_UARTA_BASE
|
|
#elif defined(CONFIG_TEGRA_DEBUG_UARTB)
|
|
#define DEBUG_UART_BASE TEGRA_UARTB_BASE
|
|
#elif defined(CONFIG_TEGRA_DEBUG_UARTC)
|
|
#define DEBUG_UART_BASE TEGRA_UARTC_BASE
|
|
#elif defined(CONFIG_TEGRA_DEBUG_UARTD)
|
|
#define DEBUG_UART_BASE TEGRA_UARTD_BASE
|
|
#elif defined(CONFIG_TEGRA_DEBUG_UARTE)
|
|
#define DEBUG_UART_BASE TEGRA_UARTE_BASE
|
|
#else
|
|
#define DEBUG_UART_BASE NULL
|
|
#endif
|
|
|
|
static void putc(int c)
|
|
{
|
|
volatile u8 *uart = (volatile u8 *)DEBUG_UART_BASE;
|
|
int shift = 2;
|
|
|
|
if (uart == NULL)
|
|
return;
|
|
|
|
while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
|
|
barrier();
|
|
uart[UART_TX << shift] = c;
|
|
}
|
|
|
|
static inline void flush(void)
|
|
{
|
|
}
|
|
|
|
static inline void arch_decomp_setup(void)
|
|
{
|
|
volatile u8 *uart = (volatile u8 *)DEBUG_UART_BASE;
|
|
int shift = 2;
|
|
|
|
if (uart == NULL)
|
|
return;
|
|
|
|
uart[UART_LCR << shift] |= UART_LCR_DLAB;
|
|
uart[UART_DLL << shift] = 0x75;
|
|
uart[UART_DLM << shift] = 0x0;
|
|
uart[UART_LCR << shift] = 3;
|
|
}
|
|
|
|
static inline void arch_decomp_wdog(void)
|
|
{
|
|
}
|
|
|
|
#endif
|