diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index fa8dcb470640f7d97b8a11652d2b418ac2f9d0a1..d31b975dd3fd7b7c4ac052390bca7884b2bff468 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -630,10 +630,6 @@ static int dw8250_probe(struct platform_device *pdev) if (!data->skip_autocfg) dw8250_setup_port(p); -#ifdef CONFIG_PM - uart.capabilities |= UART_CAP_RPM; -#endif - /* If we have a valid fifosize, try hooking up DMA */ if (p->fifosize) { data->dma.rxconf.src_maxburst = p->fifosize / 4; diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index ac4424bf6b136cc43093dec459128637f7da5947..ab3f6e91853da3c269cdb6c22c82226195778ece 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -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. */ @@ -319,15 +346,15 @@ static const struct sci_port_params sci_port_params[SCIx_NR_REGTYPES] = { [SCIx_SH4_SCIF_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 }, + [SCBRR] = { 0x04, 8 }, + [SCSCR] = { 0x08, 16 }, + [SCxTDR] = { 0x0c, 8 }, + [SCxSR] = { 0x10, 16 }, + [SCxRDR] = { 0x14, 8 }, + [SCFCR] = { 0x18, 16 }, + [SCFDR] = { 0x1c, 16 }, + [SCSPTR] = { 0x20, 16 }, + [SCLSR] = { 0x24, 16 }, }, .fifosize = 16, .overrun_reg = SCLSR, @@ -2810,7 +2837,7 @@ static int sci_init_single(struct platform_device *dev, { struct uart_port *port = &sci_port->port; const struct resource *res; - unsigned int i, regtype; + unsigned int i; int ret; sci_port->cfg = p; @@ -2847,7 +2874,6 @@ static int sci_init_single(struct platform_device *dev, if (unlikely(sci_port->params == NULL)) return -EINVAL; - regtype = sci_port->params - sci_port_params; switch (p->type) { case PORT_SCIFB: sci_port->rx_trigger = 48; @@ -2902,10 +2928,6 @@ static int sci_init_single(struct platform_device *dev, port->regshift = 1; } - if (regtype == SCIx_SH4_SCIF_REGTYPE) - if (sci_port->reg_size >= 0x20) - port->regshift = 1; - /* * The UART port needs an IRQ value, so we peg this to the RX IRQ * for the multi-IRQ ports, which is where we are primarily @@ -3110,6 +3132,10 @@ 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", diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h index c0e795d95477daea839ba98f762e09195e327184..1c89611e0e0634aec1f64c62d99637f4ee709bc0 100644 --- a/include/linux/serial_sci.h +++ b/include/linux/serial_sci.h @@ -36,6 +36,7 @@ enum { SCIx_SH4_SCIF_FIFODATA_REGTYPE, SCIx_SH7705_SCIF_REGTYPE, SCIx_HSCIF_REGTYPE, + SCIx_RZ_SCIFA_REGTYPE, SCIx_NR_REGTYPES, };