diff options
author | Jens Axboe <jens.axboe@oracle.com> | 2010-05-21 21:27:26 +0200 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2010-05-21 21:27:26 +0200 |
commit | ee9a3607fb03e804ddf624544105f4e34260c380 (patch) | |
tree | ce41b6e0fa10982a306f6c142a92dbf3c9961284 /arch/arm/mach-cns3xxx/include/mach/uncompress.h | |
parent | b492e95be0ae672922f4734acf3f5d35c30be948 (diff) | |
parent | d515e86e639890b33a09390d062b0831664f04a2 (diff) |
Merge branch 'master' into for-2.6.35
Conflicts:
fs/ext3/fsync.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/arm/mach-cns3xxx/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-cns3xxx/include/mach/uncompress.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-cns3xxx/include/mach/uncompress.h b/arch/arm/mach-cns3xxx/include/mach/uncompress.h new file mode 100644 index 00000000000..de8ead9b91f --- /dev/null +++ b/arch/arm/mach-cns3xxx/include/mach/uncompress.h @@ -0,0 +1,55 @@ +/* + * Copyright 2003 ARM Limited + * Copyright 2008 Cavium Networks + * + * This file 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 <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/cns3xxx.h> + +#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_cns3420vb()) + return CNS3XXX_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() |