diff options
Diffstat (limited to 'drivers/serial/arm_dcc.c')
| -rw-r--r-- | drivers/serial/arm_dcc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/serial/arm_dcc.c b/drivers/serial/arm_dcc.c index 7c7fa34..dca73b9 100644 --- a/drivers/serial/arm_dcc.c +++ b/drivers/serial/arm_dcc.c @@ -45,6 +45,22 @@ #define status_dcc(x) \ __asm__ volatile ("mrc p14, 0, %0, c0, c1, 0\n" : "=r" (x)) +#elif defined(CONFIG_CPU_XSCALE) +/* + * XSCALE + */ +#define DCC_RBIT (1 << 31) +#define DCC_WBIT (1 << 28) + +#define write_dcc(x) \ + __asm__ volatile ("mcr p14, 0, %0, c8, c0, 0\n" : : "r" (x)) + +#define read_dcc(x) \ + __asm__ volatile ("mrc p14, 0, %0, c9, c0, 0\n" : "=r" (x)) + +#define status_dcc(x) \ + __asm__ volatile ("mrc p14, 0, %0, c14, c0, 0\n" : "=r" (x)) + #else #define DCC_RBIT (1 << 0) #define DCC_WBIT (1 << 1) |