2 * arch/arm/mach-tegra/include/mach/uncompress.h
4 * Copyright (C) 2010 Google, Inc.
7 * Colin Cross <ccross@google.com>
8 * Erik Gilling <konkers@google.com>
10 * This software is licensed under the terms of the GNU General Public
11 * License version 2, as published by the Free Software Foundation, and
12 * may be copied, distributed, and modified under those terms.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
21 #ifndef __MACH_TEGRA_UNCOMPRESS_H
22 #define __MACH_TEGRA_UNCOMPRESS_H
24 #include <linux/types.h>
25 #include <linux/serial_reg.h>
27 #include <mach/iomap.h>
29 #if defined(CONFIG_TEGRA_DEBUG_UARTA)
30 #define DEBUG_UART_BASE TEGRA_UARTA_BASE
31 #elif defined(CONFIG_TEGRA_DEBUG_UARTB)
32 #define DEBUG_UART_BASE TEGRA_UARTB_BASE
33 #elif defined(CONFIG_TEGRA_DEBUG_UARTC)
34 #define DEBUG_UART_BASE TEGRA_UARTC_BASE
35 #elif defined(CONFIG_TEGRA_DEBUG_UARTD)
36 #define DEBUG_UART_BASE TEGRA_UARTD_BASE
37 #elif defined(CONFIG_TEGRA_DEBUG_UARTE)
38 #define DEBUG_UART_BASE TEGRA_UARTE_BASE
40 #define DEBUG_UART_BASE NULL
43 static void putc(int c
)
45 volatile u8
*uart
= (volatile u8
*)DEBUG_UART_BASE
;
51 while (!(uart
[UART_LSR
<< shift
] & UART_LSR_THRE
))
53 uart
[UART_TX
<< shift
] = c
;
56 static inline void flush(void)
60 static inline void arch_decomp_setup(void)
62 volatile u8
*uart
= (volatile u8
*)DEBUG_UART_BASE
;
68 uart
[UART_LCR
<< shift
] |= UART_LCR_DLAB
;
69 uart
[UART_DLL
<< shift
] = 0x75;
70 uart
[UART_DLM
<< shift
] = 0x0;
71 uart
[UART_LCR
<< shift
] = 3;
74 static inline void arch_decomp_wdog(void)
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