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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-05-15 23:47:14 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-06-12 20:39:49 +0200 |
| commit | 65a76d4f947a193e57bb8f8093c481f27e059f8f (patch) | |
| tree | 5faa5ee7a6d893fa5754051f953b388875d86d7d /drivers/serial/arm_dcc.c | |
| parent | 66e8f9da6879fe37f3159b3997bff874842dc51d (diff) | |
| download | u-boot-imx-65a76d4f947a193e57bb8f8093c481f27e059f8f.zip u-boot-imx-65a76d4f947a193e57bb8f8093c481f27e059f8f.tar.gz u-boot-imx-65a76d4f947a193e57bb8f8093c481f27e059f8f.tar.bz2 | |
arm/dcc: add xscale support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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) |