diff options
Diffstat (limited to 'drivers/serial/serial_sh.h')
| -rw-r--r-- | drivers/serial/serial_sh.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h index eb8523dde5..149ec1fe73 100644 --- a/drivers/serial/serial_sh.h +++ b/drivers/serial/serial_sh.h @@ -89,7 +89,7 @@ struct uart_port { # define SCSPTR7 0xe800a820 /* 16 bit SCIF */ # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ # define SCIF_ORER 0x0001 /* overrun error bit */ -#elif defined(CONFIG_RCAR_GEN2) || defined(CONFIG_RCAR_GEN3) || \ +#elif defined(CONFIG_RCAR_GEN2) || defined(CONFIG_RCAR_64) || \ defined(CONFIG_R7S72100) # if defined(CFG_SCIF_A) # define SCIF_ORER 0x0200 @@ -213,6 +213,10 @@ struct uart_port { #define SCFCR_TCRST 0x4000 #define SCFCR_MCE 0x0008 +/* HSSRR */ +#define HSSRR_SRE BIT(15) +#define HSSRR_SRCYC8 0x0007 + #define SCI_MAJOR 204 #define SCI_MINOR_START 8 @@ -242,7 +246,8 @@ struct uart_port { #define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\ static inline unsigned int sci_##name##_in(struct uart_port *port) {\ - if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {\ + if (port->type == PORT_SCIF || port->type == PORT_SCIFB ||\ + port->type == PORT_HSCIF) {\ SCI_IN(scif_size, scif_offset)\ } else { /* PORT_SCI or PORT_SCIFA */\ SCI_IN(sci_size, sci_offset);\ @@ -250,7 +255,8 @@ struct uart_port { }\ static inline void sci_##name##_out(struct uart_port *port,\ unsigned int value) {\ - if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {\ + if (port->type == PORT_SCIF || port->type == PORT_SCIFB ||\ + port->type == PORT_HSCIF) {\ SCI_OUT(scif_size, scif_offset, value)\ } else { /* PORT_SCI or PORT_SCIFA */\ SCI_OUT(sci_size, sci_offset, value);\ @@ -375,6 +381,7 @@ SCIF_FNS(SCFDR, 0, 0, 0x1C, 16) SCIF_FNS(SCSPTR, 0, 0, 0x20, 16) SCIF_FNS(DL, 0, 0, 0x30, 16) SCIF_FNS(CKS, 0, 0, 0x34, 16) +SCIF_FNS(HSSRR, 0, 0, 0x40, 16) /* HSCIF only */ #if defined(CFG_SCIF_A) SCIF_FNS(SCLSR, 0, 0, 0x14, 16) #else @@ -414,7 +421,9 @@ SCIF_FNS(SCSPTR, 0, 0, 0x20, 16) #endif SCIF_FNS(SCLSR, 0, 0, 0x24, 16) #endif -SCIF_FNS(DL, 0, 0, 0x0, 0) /* dummy */ +SCIF_FNS(DL, 0, 0, 0x30, 16) +SCIF_FNS(CKS, 0, 0, 0x34, 16) +SCIF_FNS(HSSRR, 0, 0, 0x40, 16) /* HSCIF only */ #endif #define sci_in(port, reg) sci_##reg##_in(port) #define sci_out(port, reg, value) sci_##reg##_out(port, value) @@ -485,11 +494,20 @@ static inline int scbrr_calc(struct uart_port *port, int bps, int clk) #define SCBRR_VALUE(bps, clk) scbrr_calc(port, bps, clk) #elif defined(CONFIG_RCAR_GEN2) #define DL_VALUE(bps, clk) (clk / bps / 16) /* External Clock */ - #if defined(CFG_SCIF_A) + #if defined(CFG_SCIF_A) || defined(CFG_HSCIF) #define SCBRR_VALUE(bps, clk) (clk / bps / 16 - 1) /* Internal Clock */ #else #define SCBRR_VALUE(bps, clk) (clk / bps / 32 - 1) /* Internal Clock */ #endif +#elif defined(CONFIG_RCAR_64) +static inline int scbrr_calc(struct uart_port *port, int bps, int clk) +{ + if (port->type == PORT_SCIF) + return (clk + 16 * bps) / (32 * bps) - 1; + else /* PORT_HSCIF */ + return clk / bps / 8 / 2 - 1; /* Internal Clock, Sampling rate = 8 */ +} +#define SCBRR_VALUE(bps, clk) scbrr_calc(port, bps, clk) #else /* Generic SH */ #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) #endif |