diff options
Diffstat (limited to 'arch/arm/boot/compressed/misc.c')
| -rw-r--r-- | arch/arm/boot/compressed/misc.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 3fc08413fff0..9e6e512f0117 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -18,7 +18,10 @@ unsigned int __machine_arch_type; -#include <linux/string.h> +#include <linux/compiler.h> /* for inline */ +#include <linux/types.h> /* for size_t */ +#include <linux/stddef.h> /* for NULL */ +#include <asm/string.h> #ifdef STANDALONE_DEBUG #define putstr printf @@ -46,6 +49,21 @@ static void icedcc_putc(int ch) asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch)); } +#elif defined(CONFIG_CPU_XSCALE) + +static void icedcc_putc(int ch) +{ + int status, i = 0x4000000; + + do { + if (--i < 0) + return; + + asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status)); + } while (status & (1 << 28)); + + asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch)); +} #else |