diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/sh-sci.c | 20 | ||||
| -rw-r--r-- | drivers/serial/sh-sci.h | 40 |
2 files changed, 53 insertions, 7 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 4b17f845f5c..94deebda6da 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -62,7 +62,7 @@ struct sci_port { unsigned int type; /* Port IRQs: ERI, RXI, TXI, BRI (optional) */ - unsigned int irqs[SCIx_NR_IRQS]; + unsigned int irqs[SCIx_NR_IRQS]; /* Port pin configuration */ void (*init_pins)(struct uart_port *port, @@ -351,7 +351,7 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) } else { #ifdef CONFIG_CPU_SUBTYPE_SH7343 /* Nothing */ -#elif defined(CONFIG_CPU_SUBTYPE_SH7780) +#elif defined(CONFIG_CPU_SUBTYPE_SH7780) || defined(CONFIG_CPU_SUBTYPE_SH7785) ctrl_outw(0x0080, SCSPTR0); /* Set RTS = 1 */ #else ctrl_outw(0x0080, SCSPTR2); /* Set RTS = 1 */ @@ -361,7 +361,9 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) } #endif -#if defined(CONFIG_CPU_SUBTYPE_SH7760) || defined(CONFIG_CPU_SUBTYPE_SH7780) +#if defined(CONFIG_CPU_SUBTYPE_SH7760) || \ + defined(CONFIG_CPU_SUBTYPE_SH7780) || \ + defined(CONFIG_CPU_SUBTYPE_SH7785) static inline int scif_txroom(struct uart_port *port) { return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0x7f); @@ -1368,9 +1370,19 @@ static int __devinit sci_probe(struct platform_device *dev) struct plat_sci_port *p = dev->dev.platform_data; int i; - for (i = 0; p && p->flags != 0 && i < SCI_NPORTS; p++, i++) { + for (i = 0; p && p->flags != 0; p++, i++) { struct sci_port *sciport = &sci_ports[i]; + /* Sanity check */ + if (unlikely(i == SCI_NPORTS)) { + dev_notice(&dev->dev, "Attempting to register port " + "%d when only %d are available.\n", + i+1, SCI_NPORTS); + dev_notice(&dev->dev, "Consider bumping " + "CONFIG_SERIAL_SH_SCI_NR_UARTS!\n"); + break; + } + sciport->port.mapbase = p->mapbase; /* diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 77f7d6351ab..854153a1d60 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -140,6 +140,16 @@ # define SCIF_ORER 0x0001 /* Overrun error bit */ # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ # define SCIF_ONLY +#elif defined(CONFIG_CPU_SUBTYPE_SH7785) +# define SCSPTR0 0xffea0024 /* 16 bit SCIF */ +# define SCSPTR1 0xffeb0024 /* 16 bit SCIF */ +# define SCSPTR2 0xffec0024 /* 16 bit SCIF */ +# define SCSPTR3 0xffed0024 /* 16 bit SCIF */ +# define SCSPTR4 0xffee0024 /* 16 bit SCIF */ +# define SCSPTR5 0xffef0024 /* 16 bit SCIF */ +# define SCIF_OPER 0x0001 /* Overrun error bit */ +# define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ +# define SCIF_ONLY #elif defined(CONFIG_CPU_SUBTYPE_SH7206) # define SCSPTR0 0xfffe8020 /* 16 bit SCIF */ # define SCSPTR1 0xfffe8820 /* 16 bit SCIF */ @@ -163,7 +173,10 @@ #define SCI_CTRL_FLAGS_RIE 0x40 /* all */ #define SCI_CTRL_FLAGS_TE 0x20 /* all */ #define SCI_CTRL_FLAGS_RE 0x10 /* all */ -#if defined(CONFIG_CPU_SUBTYPE_SH7750) || defined(CONFIG_CPU_SUBTYPE_SH7751) || defined(CONFIG_CPU_SUBTYPE_SH7780) +#if defined(CONFIG_CPU_SUBTYPE_SH7750) || \ + defined(CONFIG_CPU_SUBTYPE_SH7751) || \ + defined(CONFIG_CPU_SUBTYPE_SH7780) || \ + defined(CONFIG_CPU_SUBTYPE_SH7785) #define SCI_CTRL_FLAGS_REIE 0x08 /* 7750 SCIF */ #else #define SCI_CTRL_FLAGS_REIE 0 @@ -385,7 +398,9 @@ SCIx_FNS(SCxTDR, 0x06, 8, 0x0c, 8, 0x06, 8, 0x0C, 8, 0x03, 8) SCIx_FNS(SCxSR, 0x08, 8, 0x10, 8, 0x08, 16, 0x10, 16, 0x04, 8) SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8) SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16) -#if defined(CONFIG_CPU_SUBTYPE_SH7760) || defined(CONFIG_CPU_SUBTYPE_SH7780) +#if defined(CONFIG_CPU_SUBTYPE_SH7760) || \ + defined(CONFIG_CPU_SUBTYPE_SH7780) || \ + defined(CONFIG_CPU_SUBTYPE_SH7785) SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16) @@ -576,6 +591,23 @@ static inline int sci_rxd_in(struct uart_port *port) return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */ return 1; } +#elif defined(CONFIG_CPU_SUBTYPE_SH7785) +static inline int sci_rxd_in(struct uart_port *port) +{ + if (port->mapbase == 0xffea0000) + return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xffeb0000) + return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xffec0000) + return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xffed0000) + return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xffee0000) + return ctrl_inw(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xffef0000) + return ctrl_inw(SCSPTR5) & 0x0001 ? 1 : 0; /* SCIF */ + return 1; +} #elif defined(CONFIG_CPU_SUBTYPE_SH7206) static inline int sci_rxd_in(struct uart_port *port) { @@ -634,7 +666,9 @@ static inline int sci_rxd_in(struct uart_port *port) * -- Mitch Davis - 15 Jul 2000 */ -#if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7780) +#if defined(CONFIG_CPU_SUBTYPE_SH7300) || \ + defined(CONFIG_CPU_SUBTYPE_SH7780) || \ + defined(CONFIG_CPU_SUBTYPE_SH7785) #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1) #elif defined(CONFIG_CPU_SUBTYPE_SH7705) #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1) |