diff options
Diffstat (limited to 'arch/arm/mach-mvebu/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-mvebu/include/mach/uncompress.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/include/mach/uncompress.h b/arch/arm/mach-mvebu/include/mach/uncompress.h new file mode 100644 index 000000000000..d6a100ccf302 --- /dev/null +++ b/arch/arm/mach-mvebu/include/mach/uncompress.h @@ -0,0 +1,43 @@ +/* + * Marvell Armada SoC kernel uncompression UART routines + * + * Copyright (C) 2012 Marvell + * + * Lior Amsalem <alior@marvell.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <mach/armada-370-xp.h> + +#define UART_THR ((volatile unsigned char *)(ARMADA_370_XP_REGS_PHYS_BASE\ + + 0x12000)) +#define UART_LSR ((volatile unsigned char *)(ARMADA_370_XP_REGS_PHYS_BASE\ + + 0x12014)) + +#define LSR_THRE 0x20 + +static void putc(const char c) +{ + int i; + + for (i = 0; i < 0x1000; i++) { + /* Transmit fifo not full? */ + if (*UART_LSR & LSR_THRE) + break; + } + + *UART_THR = c; +} + +static void flush(void) +{ +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() |