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| author | Vladimir Barinov <vladimir.barinov@cogentembedded.com> | 2015-07-20 20:49:39 +0300 |
|---|---|---|
| committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2015-08-31 17:31:26 +0900 |
| commit | 53be7bf2a536c3b0c260993e51bb0803938d21f5 (patch) | |
| tree | 1602d97644c29c382566e2cebc0c74b56a2fc448 /drivers/serial | |
| parent | 9035edbae9dd3c10751d78bf80a1b2bc225cda4f (diff) | |
| download | u-boot-53be7bf2a536c3b0c260993e51bb0803938d21f5.tar.gz u-boot-53be7bf2a536c3b0c260993e51bb0803938d21f5.tar.bz2 u-boot-53be7bf2a536c3b0c260993e51bb0803938d21f5.zip | |
serial: serial-sh: SCIFA interface for R-Car Gen2 SoCs
Add SCIFA console interface for R-Car Gen2 SoCs.
SCIFA has different registers offsets and sizes then SCI. Hence it needs to
put it's macro definitions separately.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_sh.h | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h index 941e6eda4c..cbc2929435 100644 --- a/drivers/serial/serial_sh.h +++ b/drivers/serial/serial_sh.h @@ -226,7 +226,11 @@ struct uart_port { # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794) -# define SCIF_ORER 0x0001 +# if defined(CONFIG_SCIF_A) +# define SCIF_ORER 0x0200 +# else +# define SCIF_ORER 0x0001 +# endif # define SCSCR_INIT(port) (port->clk_mode == EXT_CLK ? 0x32 : 0x30) /* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */ #else @@ -306,7 +310,11 @@ struct uart_port { #elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794) # define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK) -# define SCIF_RFDC_MASK 0x003f +# if defined(CONFIG_SCIF_A) +# define SCIF_RFDC_MASK 0x007f +# else +# define SCIF_RFDC_MASK 0x001f +# endif #else # define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK) # define SCIF_RFDC_MASK 0x001f @@ -557,6 +565,25 @@ SCIF_FNS(SCFCR, 0x18, 16) SCIF_FNS(SCFDR, 0x1c, 16) SCIF_FNS(SCLSR, 0x24, 16) SCIF_FNS(DL, 0x00, 0) /* dummy */ +#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ + defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794) +/* SCIFA and SCIF register offsets and size */ +SCIx_FNS(SCSMR, 0, 0, 0x00, 16, 0, 0, 0x00, 16, 0, 0) +SCIx_FNS(SCBRR, 0, 0, 0x04, 8, 0, 0, 0x04, 8, 0, 0) +SCIx_FNS(SCSCR, 0, 0, 0x08, 16, 0, 0, 0x08, 16, 0, 0) +SCIx_FNS(SCxTDR, 0, 0, 0x20, 8, 0, 0, 0x0C, 8, 0, 0) +SCIx_FNS(SCxSR, 0, 0, 0x14, 16, 0, 0, 0x10, 16, 0, 0) +SCIx_FNS(SCxRDR, 0, 0, 0x24, 8, 0, 0, 0x14, 8, 0, 0) +SCIF_FNS(SCFCR, 0, 0, 0x18, 16) +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) +#if defined(CONFIG_SCIF_A) +SCIF_FNS(SCLSR, 0, 0, 0x14, 16) +#else +SCIF_FNS(SCLSR, 0, 0, 0x24, 16) +#endif #else /* reg SCI/SH3 SCI/SH4 SCIF/SH3 SCIF/SH4 SCI/H8*/ /* name off sz off sz off sz off sz off sz*/ @@ -594,14 +621,8 @@ SCIF_FNS(SCSPTR, 0, 0, 0x20, 16) #endif SCIF_FNS(SCLSR, 0, 0, 0x24, 16) #endif -#if defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ - defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794) -SCIF_FNS(DL, 0, 0, 0x30, 16) -SCIF_FNS(CKS, 0, 0, 0x34, 16) -#else SCIF_FNS(DL, 0, 0, 0x0, 0) /* dummy */ #endif -#endif #define sci_in(port, reg) sci_##reg##_in(port) #define sci_out(port, reg, value) sci_##reg##_out(port, value) @@ -743,7 +764,11 @@ static inline int scbrr_calc(struct uart_port *port, int bps, int clk) #elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794) #define DL_VALUE(bps, clk) (clk / bps / 16) /* External Clock */ -#define SCBRR_VALUE(bps, clk) (clk / bps / 32 - 1) /* Internal Clock */ + #if defined(CONFIG_SCIF_A) + #define SCBRR_VALUE(bps, clk) (clk / bps / 16 - 1) /* Internal Clock */ + #else + #define SCBRR_VALUE(bps, clk) (clk / bps / 32 - 1) /* Internal Clock */ + #endif #else /* Generic SH */ #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) #endif |