diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/uart/apbuart_rasta.c')
-rw-r--r-- | c/src/lib/libbsp/sparc/shared/uart/apbuart_rasta.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/uart/apbuart_rasta.c b/c/src/lib/libbsp/sparc/shared/uart/apbuart_rasta.c new file mode 100644 index 0000000000..a5c365eb77 --- /dev/null +++ b/c/src/lib/libbsp/sparc/shared/uart/apbuart_rasta.c @@ -0,0 +1,42 @@ + +#undef DEBUG + +/* Set registered device name */ +#define APBUART_DEVNAME "/dev/apburasta0" +#define APBUART_DEVNAME_NO(devstr,no) ((devstr)[14]='0'+(no)) + +/* Any non-static function will begin with */ +#define APBUART_PREFIX(name) apbuartrasta##name + +/* do nothing, assume that the interrupt handler is called + * setup externally calling apbuartrasta_interrupt_handler. + */ +#define APBUART_REG_INT(handler,irq,arg) \ + if ( apbuart_rasta_int_reg ) \ + apbuart_rasta_int_reg(handler,irq,arg); + +void (*apbuart_rasta_int_reg)(void *handler, int irq, void *arg) = 0; + +void apbuartrasta_interrupt_handler(int irq, void *arg); + +/* AMBA Bus is clocked using the RASTA internal clock (30MHz) */ +#define SYS_FREQ_HZ 30000000 + +#include "apbuart.c" + +int apbuart_rasta_register(amba_confarea_type *bus) +{ + /* Setup configuration */ + + /* Register the driver */ + return APBUART_PREFIX(_register)(bus); +} + + +/* Call this from RASTA interrupt handler + * irq = the irq number of the HW device local to that IRQMP controller + * + */ +void apbuartrasta_interrupt_handler(int irq, void *arg){ + apbuart_interrupt(arg); +} |