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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.c42
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);
+}