/* * arch/arm/mach-pxa/include/mach/uncompress.h * * Author: Nicolas Pitre * Copyright: (C) 2001 MontaVista Software Inc. * * 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. */ #include #include #define FFUART_BASE (0x40100000) #define BTUART_BASE (0x40200000) #define STUART_BASE (0x40700000) static unsigned long uart_base = FFUART_BASE; static unsigned int uart_shift = 2; static unsigned int uart_is_pxa = 1; static inline unsigned char uart_read(int offset) { return *(volatile unsigned char *)(uart_base + (offset << uart_shift)); } static inline void uart_write(unsigned char val, int offset) { *(volatile unsigned char *)(uart_base + (offset << uart_shift)) = val; } static inline int uart_is_enabled(void) { /* assume enabled by default for non-PXA uarts */ return uart_is_pxa ? uart_read(UART_IER) & UART_IER_UUE : 1; } static inline void putc(char c) { if (!uart_is_enabled()) return; while (!(uart_read(UART_LSR) & UART_LSR_THRE)) barrier(); uart_write(c, UART_TX); } /* * This does not append a newline */ static inline void flush(void) { } static inline void arch_decomp_setup(void) { if (machine_is_littleton() || machine_is_intelmote2() || machine_is_csb726() || machine_is_stargate2() || machine_is_cm_x300() || machine_is_balloon3()) uart_base = STUART_BASE; } /* * nothing to do */ #define arch_decomp_wdog()