/* * Copy and modify from linux/drivers/serial/sh-sci.h */ struct uart_port { unsigned long iobase; /* in/out[bwl] */ unsigned char *membase; /* read/write[bwl] */ unsigned long mapbase; /* for ioremap */ unsigned int type; /* port type */ }; #define PORT_SCI 52 #define PORT_SCIF 53 #define PORT_SCIFA 83 #define PORT_SCIFB 93 #if defined(CONFIG_H83007) || defined(CONFIG_H83068) #include <asm/regs306x.h> #endif #if defined(CONFIG_H8S2678) #include <asm/regs267x.h> #endif #if defined(CONFIG_CPU_SH7706) || \ defined(CONFIG_CPU_SH7707) || \ defined(CONFIG_CPU_SH7708) || \ defined(CONFIG_CPU_SH7709) # define SCPCR 0xA4000116 /* 16 bit SCI and SCIF */ # define SCPDR 0xA4000136 /* 8 bit SCI and SCIF */ # define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */ #elif defined(CONFIG_CPU_SH7705) # define SCIF0 0xA4400000 # define SCIF2 0xA4410000 # define SCSMR_Ir 0xA44A0000 # define IRDA_SCIF SCIF0 # define SCPCR 0xA4000116 # define SCPDR 0xA4000136 /* Set the clock source, * SCIF2 (0xA4410000) -> External clock, SCK pin used as clock input * SCIF0 (0xA4400000) -> Internal clock, SCK pin as serial clock output */ # define SCSCR_INIT(port) (port->mapbase == SCIF2) ? 0xF3 : 0xF0 #elif defined(CONFIG_CPU_SH7720) || \ defined(CONFIG_CPU_SH7721) || \ defined(CONFIG_ARCH_SH7367) || \ defined(CONFIG_ARCH_SH7377) || \ defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_SH73A0) || \ defined(CONFIG_R8A7740) # define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */ # define PORT_PTCR 0xA405011EUL # define PORT_PVCR 0xA4050122UL # define SCIF_ORER 0x0200 /* overrun error bit */ #elif defined(CONFIG_SH_RTS7751R2D) # define SCSPTR1 0xFFE0001C /* 8 bit SCIF */ # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* overrun error bit */ # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_CPU_SH7750) || \ defined(CONFIG_CPU_SH7750R) || \ defined(CONFIG_CPU_SH7750S) || \ defined(CONFIG_CPU_SH7091) || \ defined(CONFIG_CPU_SH7751) || \ defined(CONFIG_CPU_SH7751R) # define SCSPTR1 0xffe0001c /* 8 bit SCI */ # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* overrun error bit */ # define SCSCR_INIT(port) (((port)->type == PORT_SCI) ? \ 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */ : \ 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */) #elif defined(CONFIG_CPU_SH7760) # define SCSPTR0 0xfe600024 /* 16 bit SCIF */ # define SCSPTR1 0xfe610024 /* 16 bit SCIF */ # define SCSPTR2 0xfe620024 /* 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_CPU_SH7710) || defined(CONFIG_CPU_SH7712) # define SCSPTR0 0xA4400000 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* overrun error bit */ # define PACR 0xa4050100 # define PBCR 0xa4050102 # define SCSCR_INIT(port) 0x3B #elif defined(CONFIG_CPU_SH7343) # define SCSPTR0 0xffe00010 /* 16 bit SCIF */ # define SCSPTR1 0xffe10010 /* 16 bit SCIF */ # define SCSPTR2 0xffe20010 /* 16 bit SCIF */ # define SCSPTR3 0xffe30010 /* 16 bit SCIF */ # define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */ #elif defined(CONFIG_CPU_SH7722) # define PADR 0xA4050120 # undef PSDR # define PSDR 0xA405013e # define PWDR 0xA4050166 # define PSCR 0xA405011E # define SCIF_ORER 0x0001 /* overrun error bit */ # define SCSCR_INIT(port) 0x0038 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_CPU_SH7366) # define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */ # define SCSPTR0 SCPDR0 # define SCIF_ORER 0x0001 /* overrun error bit */ # define SCSCR_INIT(port) 0x0038 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_CPU_SH7723) # define SCSPTR0 0xa4050160 # define SCSPTR1 0xa405013e # define SCSPTR2 0xa4050160 # define SCSPTR3 0xa405013e # define SCSPTR4 0xa4050128 # define SCSPTR5 0xa4050128 # define SCIF_ORER 0x0001 /* overrun error bit */ # define SCSCR_INIT(port) 0x0038 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_CPU_SH7724) # define SCIF_ORER 0x0001 /* overrun error bit */ # define SCSCR_INIT(port) ((port)->type == PORT_SCIFA ? \ 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */ : \ 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */) #elif defined(CONFIG_CPU_SH7734) # define SCSPTR0 0xFFE40020 # define SCSPTR1 0xFFE41020 # define SCSPTR2 0xFFE42020 # define SCSPTR3 0xFFE43020 # define SCSPTR4 0xFFE44020 # define SCSPTR5 0xFFE45020 # define SCIF_ORER 0x0001 /* overrun error bit */ # define SCSCR_INIT(port) 0x0038 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_CPU_SH4_202) # define SCSPTR2 0xffe80020 /* 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_CPU_SH5_101) || defined(CONFIG_CPU_SH5_103) # define SCIF_BASE_ADDR 0x01030000 # define SCIF_ADDR_SH5 (PHYS_PERIPHERAL_BLOCK+SCIF_BASE_ADDR) # define SCIF_PTR2_OFFS 0x0000020 # define SCIF_LSR2_OFFS 0x0000024 # define SCSPTR\ ((port->mapbase)+SCIF_PTR2_OFFS) /* 16 bit SCIF */ # define SCLSR2\ ((port->mapbase)+SCIF_LSR2_OFFS) /* 16 bit SCIF */ # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0, TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_H83007) || defined(CONFIG_H83068) # 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_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_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_SH7763) # define SCSPTR0 0xffe00024 /* 16 bit SCIF */ # define SCSPTR1 0xffe08024 /* 16 bit SCIF */ # define SCSPTR2 0xffe10020 /* 16 bit SCIF/IRDA */ # 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_CPU_SH7770) # define SCSPTR0 0xff923020 /* 16 bit SCIF */ # define SCSPTR1 0xff924020 /* 16 bit SCIF */ # define SCSPTR2 0xff925020 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* overrun error bit */ # define SCSCR_INIT(port) 0x3c /* TIE=0,RIE=0,TE=1,RE=1,REIE=1,cke=2 */ #elif defined(CONFIG_CPU_SH7780) # define SCSPTR0 0xffe00024 /* 16 bit SCIF */ # define SCSPTR1 0xffe10024 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* Overrun error bit */ #if defined(CONFIG_SH_SH2007) /* TIE=0,RIE=0,TE=1,RE=1,REIE=1,CKE1=0 */ # define SCSCR_INIT(port) 0x38 #else /* TIE=0,RIE=0,TE=1,RE=1,REIE=1,CKE1=1 */ # define SCSCR_INIT(port) 0x3a #endif #elif defined(CONFIG_CPU_SH7785) || \ defined(CONFIG_CPU_SH7786) # define SCSPTR0 0xffea0024 /* 16 bit SCIF */ # define SCSPTR1 0xffeb0024 /* 16 bit SCIF */ # define SCSPTR2 0xffec0024 /* 16 bit SCIF */ # define SCSPTR3 0xffed0024 /* 16 bit SCIF */ # define SCSPTR4 0xffee0024 /* 16 bit SCIF */ # define SCSPTR5 0xffef0024 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* Overrun error bit */ # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_CPU_SH7201) || \ defined(CONFIG_CPU_SH7203) || \ defined(CONFIG_CPU_SH7206) || \ defined(CONFIG_CPU_SH7263) || \ defined(CONFIG_CPU_SH7264) # define SCSPTR0 0xfffe8020 /* 16 bit SCIF */ # define SCSPTR1 0xfffe8820 /* 16 bit SCIF */ # define SCSPTR2 0xfffe9020 /* 16 bit SCIF */ # define SCSPTR3 0xfffe9820 /* 16 bit SCIF */ # if defined(CONFIG_CPU_SH7201) # define SCSPTR4 0xfffeA020 /* 16 bit SCIF */ # define SCSPTR5 0xfffeA820 /* 16 bit SCIF */ # define SCSPTR6 0xfffeB020 /* 16 bit SCIF */ # define SCSPTR7 0xfffeB820 /* 16 bit SCIF */ # endif # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_CPU_SH7269) # define SCSPTR0 0xe8007020 /* 16 bit SCIF */ # define SCSPTR1 0xe8007820 /* 16 bit SCIF */ # define SCSPTR2 0xe8008020 /* 16 bit SCIF */ # define SCSPTR3 0xe8008820 /* 16 bit SCIF */ # define SCSPTR4 0xe8009020 /* 16 bit SCIF */ # define SCSPTR5 0xe8009820 /* 16 bit SCIF */ # define SCSPTR6 0xe800a020 /* 16 bit SCIF */ # define SCSPTR7 0xe800a820 /* 16 bit SCIF */ # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ #elif defined(CONFIG_CPU_SH7619) # define SCSPTR0 0xf8400020 /* 16 bit SCIF */ # define SCSPTR1 0xf8410020 /* 16 bit SCIF */ # define SCSPTR2 0xf8420020 /* 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_CPU_SHX3) # define SCSPTR0 0xffc30020 /* 16 bit SCIF */ # define SCSPTR1 0xffc40020 /* 16 bit SCIF */ # define SCSPTR2 0xffc50020 /* 16 bit SCIF */ # 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 */ #else # error CPU subtype not defined #endif /* SCSCR */ #define SCI_CTRL_FLAGS_TIE 0x80 /* all */ #define SCI_CTRL_FLAGS_RIE 0x40 /* all */ #define SCI_CTRL_FLAGS_TE 0x20 /* all */ #define SCI_CTRL_FLAGS_RE 0x10 /* all */ #if defined(CONFIG_CPU_SH7750) || \ defined(CONFIG_CPU_SH7091) || \ defined(CONFIG_CPU_SH7750R) || \ defined(CONFIG_CPU_SH7722) || \ defined(CONFIG_CPU_SH7734) || \ defined(CONFIG_CPU_SH7750S) || \ defined(CONFIG_CPU_SH7751) || \ defined(CONFIG_CPU_SH7751R) || \ defined(CONFIG_CPU_SH7763) || \ defined(CONFIG_CPU_SH7780) || \ defined(CONFIG_CPU_SH7785) || \ defined(CONFIG_CPU_SH7786) || \ defined(CONFIG_CPU_SHX3) #define SCI_CTRL_FLAGS_REIE 0x08 /* 7750 SCIF */ #elif defined(CONFIG_CPU_SH7724) #define SCI_CTRL_FLAGS_REIE ((port)->type == PORT_SCIFA ? 0 : 8) #else #define SCI_CTRL_FLAGS_REIE 0 #endif /* SCI_CTRL_FLAGS_MPIE 0x08 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ /* SCI_CTRL_FLAGS_TEIE 0x04 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ /* SCI_CTRL_FLAGS_CKE1 0x02 * all */ /* SCI_CTRL_FLAGS_CKE0 0x01 * 7707 SCI/SCIF, 7708 SCI, 7709 SCI/SCIF, 7750 SCI */ /* SCxSR SCI */ #define SCI_TDRE 0x80 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ #define SCI_RDRF 0x40 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ #define SCI_ORER 0x20 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ #define SCI_FER 0x10 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ #define SCI_PER 0x08 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ #define SCI_TEND 0x04 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ /* SCI_MPB 0x02 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ /* SCI_MPBT 0x01 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */ #define SCI_ERRORS ( SCI_PER | SCI_FER | SCI_ORER) /* SCxSR SCIF */ #define SCIF_ER 0x0080 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #define SCIF_TEND 0x0040 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #define SCIF_TDFE 0x0020 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #define SCIF_BRK 0x0010 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #define SCIF_FER 0x0008 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #define SCIF_PER 0x0004 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #define SCIF_RDF 0x0002 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #define SCIF_DR 0x0001 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #if defined(CONFIG_CPU_SH7705) || \ defined(CONFIG_CPU_SH7720) || \ defined(CONFIG_CPU_SH7721) || \ defined(CONFIG_ARCH_SH7367) || \ defined(CONFIG_ARCH_SH7377) || \ defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_SH73A0) || \ defined(CONFIG_R8A7740) # define SCIF_ORER 0x0200 # define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK | SCIF_ORER) # define SCIF_RFDC_MASK 0x007f # define SCIF_TXROOM_MAX 64 #elif defined(CONFIG_CPU_SH7763) # define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK) # define SCIF_RFDC_MASK 0x007f # define SCIF_TXROOM_MAX 64 /* SH7763 SCIF2 support */ # define SCIF2_RFDC_MASK 0x001f # define SCIF2_TXROOM_MAX 16 #else # define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK) # define SCIF_RFDC_MASK 0x001f # define SCIF_TXROOM_MAX 16 #endif #ifndef SCIF_ORER #define SCIF_ORER 0x0000 #endif #define SCxSR_TEND(port)\ (((port)->type == PORT_SCI) ? SCI_TEND : SCIF_TEND) #define SCxSR_ERRORS(port)\ (((port)->type == PORT_SCI) ? SCI_ERRORS : SCIF_ERRORS) #define SCxSR_RDxF(port)\ (((port)->type == PORT_SCI) ? SCI_RDRF : SCIF_RDF) #define SCxSR_TDxE(port)\ (((port)->type == PORT_SCI) ? SCI_TDRE : SCIF_TDFE) #define SCxSR_FER(port)\ (((port)->type == PORT_SCI) ? SCI_FER : SCIF_FER) #define SCxSR_PER(port)\ (((port)->type == PORT_SCI) ? SCI_PER : SCIF_PER) #define SCxSR_BRK(port)\ ((port)->type == PORT_SCI) ? 0x00 : SCIF_BRK) #define SCxSR_ORER(port)\ (((port)->type == PORT_SCI) ? SCI_ORER : SCIF_ORER) #if defined(CONFIG_CPU_SH7705) || \ defined(CONFIG_CPU_SH7720) || \ defined(CONFIG_CPU_SH7721) || \ defined(CONFIG_ARCH_SH7367) || \ defined(CONFIG_ARCH_SH7377) || \ defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_SH73A0) || \ defined(CONFIG_R8A7740) # define SCxSR_RDxF_CLEAR(port) (sci_in(port, SCxSR) & 0xfffc) # define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73) # define SCxSR_TDxE_CLEAR(port) (sci_in(port, SCxSR) & 0xffdf) # define SCxSR_BREAK_CLEAR(port) (sci_in(port, SCxSR) & 0xffe3) #else # define SCxSR_RDxF_CLEAR(port) (((port)->type == PORT_SCI) ? 0xbc : 0x00fc) # define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073) # define SCxSR_TDxE_CLEAR(port) (((port)->type == PORT_SCI) ? 0x78 : 0x00df) # define SCxSR_BREAK_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x00e3) #endif /* SCFCR */ #define SCFCR_RFRST 0x0002 #define SCFCR_TFRST 0x0004 #define SCFCR_TCRST 0x4000 #define SCFCR_MCE 0x0008 #define SCI_MAJOR 204 #define SCI_MINOR_START 8 /* Generic serial flags */ #define SCI_RX_THROTTLE 0x0000001 #define SCI_MAGIC 0xbabeface /* * Events are used to schedule things to happen at timer-interrupt * time, instead of at rs interrupt time. */ #define SCI_EVENT_WRITE_WAKEUP 0 #define SCI_IN(size, offset)\ if ((size) == 8) {\ return readb(port->membase + (offset));\ } else {\ return readw(port->membase + (offset));\ } #define SCI_OUT(size, offset, value)\ if ((size) == 8) {\ writeb(value, port->membase + (offset));\ } else if ((size) == 16) {\ writew(value, port->membase + (offset));\ } #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) {\ SCI_IN(scif_size, scif_offset)\ } else { /* PORT_SCI or PORT_SCIFA */\ SCI_IN(sci_size, sci_offset);\ }\ }\ static inline void sci_##name##_out(struct uart_port *port,\ unsigned int value) {\ if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {\ SCI_OUT(scif_size, scif_offset, value)\ } else { /* PORT_SCI or PORT_SCIFA */\ SCI_OUT(sci_size, sci_offset, value);\ }\ } #ifdef CONFIG_H8300 /* h8300 don't have SCIF */ #define CPU_SCIF_FNS(name) \ static inline unsigned int sci_##name##_in(struct uart_port *port) {\ return 0;\ }\ static inline void sci_##name##_out(struct uart_port *port,\ unsigned int value) {\ } #else #define CPU_SCIF_FNS(name, scif_offset, scif_size) \ static inline unsigned int sci_##name##_in(struct uart_port *port) {\ SCI_IN(scif_size, scif_offset);\ }\ static inline void sci_##name##_out(struct uart_port *port,\ unsigned int value) {\ SCI_OUT(scif_size, scif_offset, value);\ } #endif #define CPU_SCI_FNS(name, sci_offset, sci_size)\ static inline unsigned int sci_##name##_in(struct uart_port *port) {\ SCI_IN(sci_size, sci_offset);\ }\ static inline void sci_##name##_out(struct uart_port *port,\ unsigned int value) {\ SCI_OUT(sci_size, sci_offset, value);\ } #if defined(CONFIG_SH3) || \ defined(CONFIG_ARCH_SH7367) || \ defined(CONFIG_ARCH_SH7377) || \ defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_SH73A0) || \ defined(CONFIG_R8A7740) #if defined(CONFIG_CPU_SH7710) || defined(CONFIG_CPU_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_SH7705) || \ defined(CONFIG_CPU_SH7720) || \ defined(CONFIG_CPU_SH7721) || \ defined(CONFIG_ARCH_SH7367) || \ defined(CONFIG_ARCH_SH7377) || \ defined(CONFIG_SH73A0) #define SCIF_FNS(name, scif_offset, scif_size) \ CPU_SCIF_FNS(name, scif_offset, scif_size) #elif defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_R8A7740) #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size,\ sh4_scifb_offset, sh4_scifb_size) \ CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size,\ sh4_scifb_offset, sh4_scifb_size) #define SCIF_FNS(name, scif_offset, scif_size) \ CPU_SCIF_FNS(name, scif_offset, scif_size) #else #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, sh3_sci_offset, sh3_sci_size,\ sh3_scif_offset, sh3_scif_size) #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size,\ sh4_scif_offset, sh4_scif_size) \ CPU_SCIF_FNS(name, sh3_scif_offset, sh3_scif_size) #endif #elif defined(__H8300H__) || defined(__H8300S__) #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_SCI_FNS(name, h8_sci_offset, h8_sci_size) #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size,\ sh4_scif_offset, sh4_scif_size) \ CPU_SCIF_FNS(name) #elif defined(CONFIG_CPU_SH7723) || defined(CONFIG_CPU_SH7724) #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size,\ sh4_scif_offset, sh4_scif_size) \ CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size,\ sh4_scif_offset, sh4_scif_size) #define SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) \ CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) #else #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) #endif #if defined(CONFIG_CPU_SH7705) || \ defined(CONFIG_CPU_SH7720) || \ defined(CONFIG_CPU_SH7721) || \ defined(CONFIG_ARCH_SH7367) || \ defined(CONFIG_ARCH_SH7377) || \ defined(CONFIG_SH73A0) SCIF_FNS(SCSMR, 0x00, 16) SCIF_FNS(SCBRR, 0x04, 8) SCIF_FNS(SCSCR, 0x08, 16) SCIF_FNS(SCTDSR, 0x0c, 8) SCIF_FNS(SCFER, 0x10, 16) SCIF_FNS(SCxSR, 0x14, 16) SCIF_FNS(SCFCR, 0x18, 16) SCIF_FNS(SCFDR, 0x1c, 16) SCIF_FNS(SCxTDR, 0x20, 8) SCIF_FNS(SCxRDR, 0x24, 8) SCIF_FNS(SCLSR, 0x00, 0) #elif defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_R8A7740) SCIF_FNS(SCSMR, 0x00, 16) SCIF_FNS(SCBRR, 0x04, 8) SCIF_FNS(SCSCR, 0x08, 16) SCIF_FNS(SCTDSR, 0x0c, 16) SCIF_FNS(SCFER, 0x10, 16) SCIF_FNS(SCxSR, 0x14, 16) SCIF_FNS(SCFCR, 0x18, 16) SCIF_FNS(SCFDR, 0x1c, 16) SCIF_FNS(SCTFDR, 0x38, 16) SCIF_FNS(SCRFDR, 0x3c, 16) SCIx_FNS(SCxTDR, 0x20, 8, 0x40, 8) SCIx_FNS(SCxRDR, 0x24, 8, 0x60, 8) SCIF_FNS(SCLSR, 0x00, 0) #elif defined(CONFIG_CPU_SH7723) ||\ defined(CONFIG_CPU_SH7724) SCIx_FNS(SCSMR, 0x00, 16, 0x00, 16) SCIx_FNS(SCBRR, 0x04, 8, 0x04, 8) SCIx_FNS(SCSCR, 0x08, 16, 0x08, 16) SCIx_FNS(SCxTDR, 0x20, 8, 0x0c, 8) SCIx_FNS(SCxSR, 0x14, 16, 0x10, 16) SCIx_FNS(SCxRDR, 0x24, 8, 0x14, 8) SCIx_FNS(SCSPTR, 0, 0, 0, 0) SCIF_FNS(SCTDSR, 0x0c, 8) SCIF_FNS(SCFER, 0x10, 16) SCIF_FNS(SCFCR, 0x18, 16) SCIF_FNS(SCFDR, 0x1c, 16) SCIF_FNS(SCLSR, 0x24, 16) #else /* reg SCI/SH3 SCI/SH4 SCIF/SH3 SCIF/SH4 SCI/H8*/ /* name off sz off sz off sz off sz off sz*/ SCIx_FNS(SCSMR, 0x00, 8, 0x00, 8, 0x00, 8, 0x00, 16, 0x00, 8) SCIx_FNS(SCBRR, 0x02, 8, 0x04, 8, 0x02, 8, 0x04, 8, 0x01, 8) SCIx_FNS(SCSCR, 0x04, 8, 0x08, 8, 0x04, 8, 0x08, 16, 0x02, 8) SCIx_FNS(SCxTDR, 0x06, 8, 0x0c, 8, 0x06, 8, 0x0C, 8, 0x03, 8) SCIx_FNS(SCxSR, 0x08, 8, 0x10, 8, 0x08, 16, 0x10, 16, 0x04, 8) SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8) SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16) #if defined(CONFIG_CPU_SH7760) || \ defined(CONFIG_CPU_SH7780) || \ defined(CONFIG_CPU_SH7785) || \ defined(CONFIG_CPU_SH7786) SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16) SCIF_FNS(SCSPTR, 0, 0, 0x24, 16) SCIF_FNS(SCLSR, 0, 0, 0x28, 16) #elif defined(CONFIG_CPU_SH7763) SCIF_FNS(SCFDR, 0, 0, 0x1C, 16) SCIF_FNS(SCSPTR2, 0, 0, 0x20, 16) SCIF_FNS(SCLSR2, 0, 0, 0x24, 16) SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16) SCIF_FNS(SCSPTR, 0, 0, 0x24, 16) SCIF_FNS(SCLSR, 0, 0, 0x28, 16) #else SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16) #if defined(CONFIG_CPU_SH7722) SCIF_FNS(SCSPTR, 0, 0, 0, 0) #else SCIF_FNS(SCSPTR, 0, 0, 0x20, 16) #endif SCIF_FNS(SCLSR, 0, 0, 0x24, 16) #endif #endif #define sci_in(port, reg) sci_##reg##_in(port) #define sci_out(port, reg, value) sci_##reg##_out(port, value) /* H8/300 series SCI pins assignment */ #if defined(__H8300H__) || defined(__H8300S__) static const struct __attribute__((packed)) { int port; /* GPIO port no */ unsigned short rx, tx; /* GPIO bit no */ } h8300_sci_pins[] = { #if defined(CONFIG_H83007) || defined(CONFIG_H83068) { /* SCI0 */ .port = H8300_GPIO_P9, .rx = H8300_GPIO_B2, .tx = H8300_GPIO_B0, }, { /* SCI1 */ .port = H8300_GPIO_P9, .rx = H8300_GPIO_B3, .tx = H8300_GPIO_B1, }, { /* SCI2 */ .port = H8300_GPIO_PB, .rx = H8300_GPIO_B7, .tx = H8300_GPIO_B6, } #elif defined(CONFIG_H8S2678) { /* SCI0 */ .port = H8300_GPIO_P3, .rx = H8300_GPIO_B2, .tx = H8300_GPIO_B0, }, { /* SCI1 */ .port = H8300_GPIO_P3, .rx = H8300_GPIO_B3, .tx = H8300_GPIO_B1, }, { /* SCI2 */ .port = H8300_GPIO_P5, .rx = H8300_GPIO_B1, .tx = H8300_GPIO_B0, } #endif }; #endif #if defined(CONFIG_CPU_SH7706) || \ defined(CONFIG_CPU_SH7707) || \ defined(CONFIG_CPU_SH7708) || \ defined(CONFIG_CPU_SH7709) static inline int sci_rxd_in(struct uart_port *port) { if (port->mapbase == 0xfffffe80) return __raw_readb(SCPDR)&0x01 ? 1 : 0; /* SCI */ return 1; } #elif defined(CONFIG_CPU_SH7750) || \ defined(CONFIG_CPU_SH7751) || \ defined(CONFIG_CPU_SH7751R) || \ defined(CONFIG_CPU_SH7750R) || \ defined(CONFIG_CPU_SH7750S) || \ defined(CONFIG_CPU_SH7091) static inline int sci_rxd_in(struct uart_port *port) { if (port->mapbase == 0xffe00000) return __raw_readb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */ return 1; } #elif defined(__H8300H__) || defined(__H8300S__) static inline int sci_rxd_in(struct uart_port *port) { int ch = (port->mapbase - SMR0) >> 3; return (H8300_SCI_DR(ch) & h8300_sci_pins[ch].rx) ? 1 : 0; } #else /* default case for non-SCI processors */ static inline int sci_rxd_in(struct uart_port *port) { return 1; } #endif /* * Values for the BitRate Register (SCBRR) * * The values are actually divisors for a frequency which can * be internal to the SH3 (14.7456MHz) or derived from an external * clock source. This driver assumes the internal clock is used; * to support using an external clock source, config options or * possibly command-line options would need to be added. * * Also, to support speeds below 2400 (why?) the lower 2 bits of * the SCSMR register would also need to be set to non-zero values. * * -- Greg Banks 27Feb2000 * * Answer: The SCBRR register is only eight bits, and the value in * it gets larger with lower baud rates. At around 2400 (depending on * the peripherial module clock) you run out of bits. However the * lower two bits of SCSMR allow the module clock to be divided down, * scaling the value which is needed in SCBRR. * * -- Stuart Menefy - 23 May 2000 * * I meant, why would anyone bother with bitrates below 2400. * * -- Greg Banks - 7Jul2000 * * You "speedist"! How will I use my 110bps ASR-33 teletype with paper * tape reader as a console! * * -- Mitch Davis - 15 Jul 2000 */ #if (defined(CONFIG_CPU_SH7780) || \ defined(CONFIG_CPU_SH7785) || \ defined(CONFIG_CPU_SH7786)) && \ !defined(CONFIG_SH_SH2007) #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1) #elif defined(CONFIG_CPU_SH7705) || \ defined(CONFIG_CPU_SH7720) || \ defined(CONFIG_CPU_SH7721) || \ defined(CONFIG_ARCH_SH7367) || \ defined(CONFIG_ARCH_SH7377) || \ defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_SH73A0) || \ defined(CONFIG_R8A7740) #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1) #elif defined(CONFIG_CPU_SH7723) ||\ defined(CONFIG_CPU_SH7724) 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 return ((clk*2)+16*bps)/(16*bps)-1; } #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) #else /* Generic SH */ #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) #endif