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-realview/include/mach/uncompress.h | 78 ++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 arch/arm/mach-realview/include/mach/uncompress.h (limited to 'arch/arm/mach-realview/include/mach/uncompress.h') diff --git a/arch/arm/mach-realview/include/mach/uncompress.h b/arch/arm/mach-realview/include/mach/uncompress.h new file mode 100644 index 00000000..83050378 --- /dev/null +++ b/arch/arm/mach-realview/include/mach/uncompress.h @@ -0,0 +1,78 @@ +/* + * arch/arm/mach-realview/include/mach/uncompress.h + * + * Copyright (C) 2003 ARM Limited + * + * 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 + */ +#include +#include + +#include +#include +#include +#include +#include + +#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00)) +#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c)) +#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30)) +#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18)) + +/* + * Return the UART base address + */ +static inline unsigned long get_uart_base(void) +{ + if (machine_is_realview_eb()) + return REALVIEW_EB_UART0_BASE; + else if (machine_is_realview_pb11mp()) + return REALVIEW_PB11MP_UART0_BASE; + else if (machine_is_realview_pb1176()) + return REALVIEW_PB1176_UART0_BASE; + else if (machine_is_realview_pba8()) + return REALVIEW_PBA8_UART0_BASE; + else if (machine_is_realview_pbx()) + return REALVIEW_PBX_UART0_BASE; + else + return 0; +} + +/* + * This does not append a newline + */ +static inline void putc(int c) +{ + unsigned long base = get_uart_base(); + + while (AMBA_UART_FR(base) & (1 << 5)) + barrier(); + + AMBA_UART_DR(base) = c; +} + +static inline void flush(void) +{ + unsigned long base = get_uart_base(); + + while (AMBA_UART_FR(base) & (1 << 3)) + barrier(); +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() -- cgit v1.2.3