diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/sh-sci.c | 13 | ||||
| -rw-r--r-- | drivers/serial/sh-sci.h | 43 |
2 files changed, 44 insertions, 12 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 8f387219287..0a34fa9e073 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -284,12 +284,23 @@ static void sci_init_pins_irda(struct uart_port *port, unsigned int cflag) #endif #if defined(SCIF_ONLY) || defined(SCI_AND_SCIF) -#if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7710) +#if defined(CONFIG_CPU_SUBTYPE_SH7300) /* SH7300 doesn't use RTS/CTS */ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) { sci_out(port, SCFCR, 0); } +#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) +static void sci_init_pins_scif(struct uart_port* port, unsigned int cflag) +{ + unsigned int fcr_val = 0; + + set_sh771x_scif_pfc(port); + if (cflag & CRTSCTS) { + fcr_val |= SCFCR_MCE; + } + sci_out(port, SCFCR, fcr_val); +} #elif defined(CONFIG_CPU_SH3) /* For SH7705, SH7706, SH7707, SH7709, SH7709A, SH7729 */ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 854153a1d60..fb04fb5f984 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -73,9 +73,13 @@ # define SCPDR 0xA4050136 /* 16 bit SCIF */ # define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */ # define SCIF_ONLY -#elif defined(CONFIG_CPU_SUBTYPE_SH7710) +#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) # define SCSPTR0 0xA4400000 /* 16 bit SCIF */ -# define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */ +# define SCI_NPORTS 2 +# define SCIF_ORER 0x0001 /* overrun error bit */ +# define PACR 0xa4050100 +# define PBCR 0xa4050102 +# define SCSCR_INIT(port) 0x3B # define SCIF_ONLY #elif defined(CONFIG_CPU_SUBTYPE_SH73180) # define SCPDR 0xA4050138 /* 16 bit SCIF */ @@ -346,9 +350,15 @@ } #ifdef CONFIG_CPU_SH3 -#if defined(CONFIG_CPU_SUBTYPE_SH7300) || \ - defined(CONFIG_CPU_SUBTYPE_SH7705) || \ - defined(CONFIG_CPU_SUBTYPE_SH7710) +#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) +#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \ + sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \ + h8_sci_offset, h8_sci_size) \ + CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size) +#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \ + CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) +#elif defined(CONFIG_CPU_SUBTYPE_SH7300) || \ + defined(CONFIG_CPU_SUBTYPE_SH7705) #define SCIF_FNS(name, scif_offset, scif_size) \ CPU_SCIF_FNS(name, scif_offset, scif_size) #else @@ -375,8 +385,8 @@ #endif #if defined(CONFIG_CPU_SUBTYPE_SH7300) || \ - defined(CONFIG_CPU_SUBTYPE_SH7705) || \ - defined(CONFIG_CPU_SUBTYPE_SH7710) + defined(CONFIG_CPU_SUBTYPE_SH7705) + SCIF_FNS(SCSMR, 0x00, 16) SCIF_FNS(SCBRR, 0x04, 8) SCIF_FNS(SCSCR, 0x08, 16) @@ -486,13 +496,24 @@ static inline int sci_rxd_in(struct uart_port *port) return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */ return 1; } -#elif defined(CONFIG_CPU_SUBTYPE_SH7710) +#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) static inline int sci_rxd_in(struct uart_port *port) { - if (port->mapbase == SCSPTR0) - return ctrl_inw(SCSPTR0 + 0x10) & 0x01 ? 1 : 0; - return 1; + return sci_in(port,SCxSR)&0x0010 ? 1 : 0; +} +static inline void set_sh771x_scif_pfc(struct uart_port *port) +{ + if (port->mapbase == 0xA4400000){ + ctrl_outw(ctrl_inw(PACR)&0xffc0,PACR); + ctrl_outw(ctrl_inw(PBCR)&0x0fff,PBCR); + return; + } + if (port->mapbase == 0xA4410000){ + ctrl_outw(ctrl_inw(PBCR)&0xf003,PBCR); + return; + } } + #elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \ defined(CONFIG_CPU_SUBTYPE_SH7751) || \ defined(CONFIG_CPU_SUBTYPE_SH4_202) |