summaryrefslogtreecommitdiffstats
path: root/drivers/tty
diff options
context:
space:
mode:
authorPhil Edworthy <phil.edworthy@renesas.com>2011-10-03 15:16:47 +0100
committerPaul Mundt <lethal@linux-sh.org>2011-11-04 22:33:30 +0900
commit3af1f8a41feab47b232b0c3d3b2322426672480d (patch)
tree5c36c5ff8aa7e4d6285fa9abec60505feedfda7c /drivers/tty
parent1a67a573b8d9f02211f36fbab50f6265dc49384a (diff)
downloadlinux-3af1f8a41feab47b232b0c3d3b2322426672480d.tar.gz
linux-3af1f8a41feab47b232b0c3d3b2322426672480d.tar.bz2
linux-3af1f8a41feab47b232b0c3d3b2322426672480d.zip
serial: sh-sci: Fix up SH-2A SCIF support.
This fixes up support for SH-2(A) SCIFs by introducing a new regtype. As expected, it's close to the SH-4A SCIF with fifodata, but still different enough to warrant its own type. Fixes up a number of FIFO overflows and similar for both SH7203/SH7264. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Tested-by: Federico Fuga <fuga@studiofuga.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/sh-sci.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 9871c57b348e..1b6ec568f32a 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -207,6 +207,25 @@ static struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
},
/*
+ * Common SH-2(A) SCIF definitions for ports with FIFO data
+ * count registers.
+ */
+ [SCIx_SH2_SCIF_FIFODATA_REGTYPE] = {
+ [SCSMR] = { 0x00, 16 },
+ [SCBRR] = { 0x04, 8 },
+ [SCSCR] = { 0x08, 16 },
+ [SCxTDR] = { 0x0c, 8 },
+ [SCxSR] = { 0x10, 16 },
+ [SCxRDR] = { 0x14, 8 },
+ [SCFCR] = { 0x18, 16 },
+ [SCFDR] = { 0x1c, 16 },
+ [SCTFDR] = sci_reg_invalid,
+ [SCRFDR] = sci_reg_invalid,
+ [SCSPTR] = { 0x20, 16 },
+ [SCLSR] = { 0x24, 16 },
+ },
+
+ /*
* Common SH-3 SCIF definitions.
*/
[SCIx_SH3_SCIF_REGTYPE] = {