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| author | Phil Edworthy <phil.edworthy@renesas.com> | 2011-10-03 15:16:47 +0100 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-11-04 22:33:30 +0900 |
| commit | 3af1f8a41feab47b232b0c3d3b2322426672480d (patch) | |
| tree | 5c36c5ff8aa7e4d6285fa9abec60505feedfda7c /drivers | |
| parent | 1a67a573b8d9f02211f36fbab50f6265dc49384a (diff) | |
| download | linux-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')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 19 |
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] = { |