diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/sh-sci.c | 8 | ||||
| -rw-r--r-- | drivers/serial/sh-sci.h | 17 |
2 files changed, 22 insertions, 3 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 8e2feb56334..32dc2fc50e6 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -272,7 +272,8 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag) __raw_writew(data, PSCR); } } -#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \ +#elif defined(CONFIG_CPU_SUBTYPE_SH7757) || \ + defined(CONFIG_CPU_SUBTYPE_SH7763) || \ defined(CONFIG_CPU_SUBTYPE_SH7780) || \ defined(CONFIG_CPU_SUBTYPE_SH7785) || \ defined(CONFIG_CPU_SUBTYPE_SH7786) || \ @@ -662,10 +663,11 @@ static irqreturn_t sci_rx_interrupt(int irq, void *port) static irqreturn_t sci_tx_interrupt(int irq, void *ptr) { struct uart_port *port = ptr; + unsigned long flags; - spin_lock_irq(&port->lock); + spin_lock_irqsave(&port->lock, flags); sci_transmit_chars(port); - spin_unlock_irq(&port->lock); + spin_unlock_irqrestore(&port->lock, flags); return IRQ_HANDLED; } diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 38072c15b84..3e2fcf93b42 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -112,6 +112,13 @@ #elif defined(CONFIG_H8S2678) # define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */ # define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port) +#elif defined(CONFIG_CPU_SUBTYPE_SH7757) +# define SCSPTR0 0xfe4b0020 +# define SCSPTR1 0xfe4b0020 +# define SCSPTR2 0xfe4b0020 +# define SCIF_ORER 0x0001 +# define SCSCR_INIT(port) 0x38 +# define SCIF_ONLY #elif defined(CONFIG_CPU_SUBTYPE_SH7763) # define SCSPTR0 0xffe00024 /* 16 bit SCIF */ # define SCSPTR1 0xffe08024 /* 16 bit SCIF */ @@ -562,6 +569,16 @@ static inline int sci_rxd_in(struct uart_port *port) return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */ return 1; } +#elif defined(CONFIG_CPU_SUBTYPE_SH7757) +static inline int sci_rxd_in(struct uart_port *port) +{ + if (port->mapbase == 0xfe4b0000) + return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; + if (port->mapbase == 0xfe4c0000) + return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; + if (port->mapbase == 0xfe4d0000) + return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; +} #elif defined(CONFIG_CPU_SUBTYPE_SH7760) static inline int sci_rxd_in(struct uart_port *port) { |