This adds the preset value to register, and setup of baudrate.
Signed-off-by: Kouei Abe kouei.abe.cp@renesas.com Signed-off-by: Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com --- v2: no changes
drivers/serial/serial_sh.c | 1 + drivers/serial/serial_sh.h | 13 +++++++++++++ 2 files changed, 14 insertions(+)
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 67cc0dc..0826d59 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -1,5 +1,6 @@ /* * SuperH SCIF device driver. + * Copyright (C) 2013 Renesas Electronics Corporation * Copyright (C) 2007,2008,2010 Nobuhiro Iwamatsu * Copyright (C) 2002 - 2008 Paul Mundt * diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h index 7e38a3f..a6558af 100644 --- a/drivers/serial/serial_sh.h +++ b/drivers/serial/serial_sh.h @@ -224,6 +224,9 @@ struct uart_port { # define SCSPTR3 0xffc60020 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* Overrun error bit */ # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ +#elif defined(CONFIG_R8A7790) +# define SCIF_ORER 0x0001 +# define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */ #else # error CPU subtype not defined #endif @@ -298,6 +301,9 @@ struct uart_port { /* SH7763 SCIF2 support */ # define SCIF2_RFDC_MASK 0x001f # define SCIF2_TXROOM_MAX 16 +#elif defined(CONFIG_R8A7790) +# define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK) +# define SCIF_RFDC_MASK 0x003f #else # define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK) # define SCIF_RFDC_MASK 0x001f @@ -579,6 +585,10 @@ SCIF_FNS(SCSPTR, 0, 0, 0, 0) #else SCIF_FNS(SCSPTR, 0, 0, 0x20, 16) #endif +#if defined(CONFIG_R8A7790) +SCIF_FNS(DL, 0, 0, 0x30, 16) +SCIF_FNS(CKS, 0, 0, 0x34, 16) +#endif SCIF_FNS(SCLSR, 0, 0, 0x24, 16) #endif #endif @@ -720,6 +730,9 @@ static inline int scbrr_calc(struct uart_port port, int bps, int clk) #define SCBRR_VALUE(bps, clk) scbrr_calc(sh_sci, bps, clk) #elif defined(__H8300H__) || defined(__H8300S__) #define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1) +#elif defined(CONFIG_R8A7790) +#define SCBRR DL +#define SCBRR_VALUE(bps, clk) (clk / bps / 16) #else /* Generic SH */ #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) #endif