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Diffstat (limited to 'include/linux/serial_sci.h')
-rw-r--r--include/linux/serial_sci.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index baed2122c5a6..1630d9cae22a 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -8,6 +8,23 @@
* Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
*/
+enum {
+ SCBRR_ALGO_1, /* ((clk + 16 * bps) / (16 * bps) - 1) */
+ SCBRR_ALGO_2, /* ((clk + 16 * bps) / (32 * bps) - 1) */
+ SCBRR_ALGO_3, /* (((clk * 2) + 16 * bps) / (16 * bps) - 1) */
+ SCBRR_ALGO_4, /* (((clk * 2) + 16 * bps) / (32 * bps) - 1) */
+ SCBRR_ALGO_5, /* (((clk * 1000 / 32) / bps) - 1) */
+};
+
+#define SCSCR_TIE (1 << 7)
+#define SCSCR_RIE (1 << 6)
+#define SCSCR_TE (1 << 5)
+#define SCSCR_RE (1 << 4)
+#define SCSCR_REIE (1 << 3) /* not supported by all parts */
+#define SCSCR_TOIE (1 << 2) /* not supported by all parts */
+#define SCSCR_CKE1 (1 << 1)
+#define SCSCR_CKE0 (1 << 0)
+
/* Offsets into the sci_port->irqs array */
enum {
SCIx_ERI_IRQ,
@@ -29,7 +46,12 @@ struct plat_sci_port {
unsigned int type; /* SCI / SCIF / IRDA */
upf_t flags; /* UPF_* flags */
char *clk; /* clock string */
+
+ unsigned int scbrr_algo_id; /* SCBRR calculation algo */
+ unsigned int scscr; /* SCSCR initialization */
+
struct device *dma_dev;
+
#ifdef CONFIG_SERIAL_SH_SCI_DMA
unsigned int dma_slave_tx;
unsigned int dma_slave_rx;