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Revert "serial: sh-sci: Remove SCIx_RZ_SCIFA_REGTYPE" 

This reverts commit 7acece71a5.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Chris Brandt <chris.brandt@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Geert Uytterhoeven 2018-08-30 14:54:03 +02:00 committed by Greg Kroah-Hartman
parent beeeac43b6
commit 1065302245
2 changed files with 32 additions and 0 deletions
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31
drivers/tty/serial/sh-sci.c
View File

@ -291,6 +291,33 @@ static const struct sci_port_params sci_port_params[SCIx_NR_REGTYPES] = {
.error_clear = SCIF_ERROR_CLEAR,
},
/*
* The "SCIFA" that is in RZ/T and RZ/A2.
* It looks like a normal SCIF with FIFO data, but with a
* compressed address space. Also, the break out of interrupts
* are different: ERI/BRI, RXI, TXI, TEI, DRI.
*/
[SCIx_RZ_SCIFA_REGTYPE] = {
.regs = {
[SCSMR] = { 0x00, 16 },
[SCBRR] = { 0x02, 8 },
[SCSCR] = { 0x04, 16 },
[SCxTDR] = { 0x06, 8 },
[SCxSR] = { 0x08, 16 },
[SCxRDR] = { 0x0A, 8 },
[SCFCR] = { 0x0C, 16 },
[SCFDR] = { 0x0E, 16 },
[SCSPTR] = { 0x10, 16 },
[SCLSR] = { 0x12, 16 },
},
.fifosize = 16,
.overrun_reg = SCLSR,
.overrun_mask = SCLSR_ORER,
.sampling_rate_mask = SCI_SR(32),
.error_mask = SCIF_DEFAULT_ERROR_MASK,
.error_clear = SCIF_ERROR_CLEAR,
},
/*
* Common SH-3 SCIF definitions.
*/
@ -3110,6 +3137,10 @@ static const struct of_device_id of_sci_match[] = {
.compatible = "renesas,scif-r7s72100",
.data = SCI_OF_DATA(PORT_SCIF, SCIx_SH2_SCIF_FIFODATA_REGTYPE),
},
{
.compatible = "renesas,scif-r7s9210",
.data = SCI_OF_DATA(PORT_SCIF, SCIx_RZ_SCIFA_REGTYPE),
},
/* Family-specific types */
{
.compatible = "renesas,rcar-gen1-scif",

1
include/linux/serial_sci.h
View File

@ -36,6 +36,7 @@ enum {
SCIx_SH4_SCIF_FIFODATA_REGTYPE,
SCIx_SH7705_SCIF_REGTYPE,
SCIx_HSCIF_REGTYPE,
SCIx_RZ_SCIFA_REGTYPE,
SCIx_NR_REGTYPES,
};