From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-mmp/include/mach/uncompress.h | 51 +++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 arch/arm/mach-mmp/include/mach/uncompress.h (limited to 'arch/arm/mach-mmp/include/mach/uncompress.h') diff --git a/arch/arm/mach-mmp/include/mach/uncompress.h b/arch/arm/mach-mmp/include/mach/uncompress.h new file mode 100644 index 00000000..d6daeb7e --- /dev/null +++ b/arch/arm/mach-mmp/include/mach/uncompress.h @@ -0,0 +1,51 @@ +/* + * arch/arm/mach-mmp/include/mach/uncompress.h + * + * 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 +#include + +#define UART1_BASE (APB_PHYS_BASE + 0x36000) +#define UART2_BASE (APB_PHYS_BASE + 0x17000) +#define UART3_BASE (APB_PHYS_BASE + 0x18000) + +volatile unsigned long *UART; + +static inline void putc(char c) +{ + /* UART enabled? */ + if (!(UART[UART_IER] & UART_IER_UUE)) + return; + + while (!(UART[UART_LSR] & UART_LSR_THRE)) + barrier(); + + UART[UART_TX] = c; +} + +/* + * This does not append a newline + */ +static inline void flush(void) +{ +} + +static inline void arch_decomp_setup(void) +{ + /* default to UART2 */ + UART = (unsigned long *)UART2_BASE; + + if (machine_is_avengers_lite()) + UART = (unsigned long *)UART3_BASE; +} + +/* + * nothing to do + */ + +#define arch_decomp_wdog() -- cgit v1.2.3