From 85f094ecb1c52b9ec9a88c9d2c8beaba72b4f21f Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Fri, 25 Apr 2008 16:04:20 +0900 Subject: sh: Enable use of the clk fwk on SH-5. Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'drivers/serial') diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 969106187718..0a051bca01c7 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -42,14 +42,12 @@ #include #include #include - -#ifdef CONFIG_CPU_FREQ #include #include -#endif - -#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64) +#include #include + +#ifdef CONFIG_SUPERH #include #include #include @@ -80,7 +78,7 @@ struct sci_port { struct timer_list break_timer; int break_flag; -#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64) +#ifdef CONFIG_SUPERH /* Port clock */ struct clk *clk; #endif -- cgit v1.2.3 From 346b746300f470bb4a72b66275d6a43987c5dfa6 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Wed, 23 Apr 2008 21:25:29 +0900 Subject: sh-sci: improve sh7722 support Improve sh7722 support for SCIF1 and SCIF2 and separate code from sh7366 implementation. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.c | 22 ++++++++++------------ drivers/serial/sh-sci.h | 21 +++++++++++++++++---- 2 files changed, 27 insertions(+), 16 deletions(-) (limited to 'drivers/serial') diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 0a051bca01c7..8fdafc27fce8 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -363,21 +363,19 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) { unsigned int fcr_val = 0; + unsigned short data; - if (cflag & CRTSCTS) { - fcr_val |= SCFCR_MCE; - - ctrl_outw(0x0000, PORT_PSCR); - } else { - unsigned short data; - - data = ctrl_inw(PORT_PSCR); - data &= 0x033f; - data |= 0x0400; - ctrl_outw(data, PORT_PSCR); + if (port->mapbase == 0xffe00000) { + data = ctrl_inw(PSCR); + data &= ~0x03cf; + if (cflag & CRTSCTS) + fcr_val |= SCFCR_MCE; + else + data |= 0x0340; - ctrl_outw(ctrl_inw(SCSPTR0) & 0x17, SCSPTR0); + ctrl_outw(data, PSCR); } + /* SCIF1 and SCIF2 should be setup by board code */ sci_out(port, SCFCR, fcr_val); } diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index fa8700a968fc..4d1c0e328a03 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -76,12 +76,13 @@ # define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */ # define SCIF_ONLY #elif defined(CONFIG_CPU_SUBTYPE_SH7722) -# define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */ -# define SCSPTR0 SCPDR0 +# define PADR 0xA4050120 +# 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 */ # define SCIF_ONLY -# define PORT_PSCR 0xA405011E #elif defined(CONFIG_CPU_SUBTYPE_SH7366) # define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */ # define SCSPTR0 SCPDR0 @@ -593,13 +594,25 @@ static inline int sci_rxd_in(struct uart_port *port) return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */ return 1; } -#elif defined(CONFIG_CPU_SUBTYPE_SH7722) || defined(CONFIG_CPU_SUBTYPE_SH7366) +#elif defined(CONFIG_CPU_SUBTYPE_SH7366) static inline int sci_rxd_in(struct uart_port *port) { if (port->mapbase == 0xffe00000) return ctrl_inb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */ return 1; } +#elif defined(CONFIG_CPU_SUBTYPE_SH7722) +static inline int sci_rxd_in(struct uart_port *port) +{ + if (port->mapbase == 0xffe00000) + return ctrl_inb(PSDR) & 0x02 ? 1 : 0; /* SCIF0 */ + if (port->mapbase == 0xffe10000) + return ctrl_inb(PADR) & 0x40 ? 1 : 0; /* SCIF1 */ + if (port->mapbase == 0xffe20000) + return ctrl_inb(PWDR) & 0x04 ? 1 : 0; /* SCIF2 */ + + return 1; +} #elif defined(CONFIG_CPU_SUBTYPE_SH7723) static inline int sci_rxd_in(struct uart_port *port) { -- cgit v1.2.3 From 9b4e466f93c6b614d05139d84a930a55fe4cd781 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Wed, 23 Apr 2008 21:31:14 +0900 Subject: sh-sci: sh7722 lacks scsptr registers The sh7722 serial ports all lack SCSPTR registers, so mark them as nonexistent in the register table. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/serial') diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 4d1c0e328a03..b0dac379dee5 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -452,7 +452,11 @@ 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_SUBTYPE_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 -- cgit v1.2.3 From 3d2c2f3ef7c5425d23424326a2345c385bb2d415 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Wed, 23 Apr 2008 21:37:39 +0900 Subject: sh-sci: avoid writing to nonexistent registers Only write to hardware in SCI_OUT() if the register size is valid. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/serial') diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index b0dac379dee5..eb84833233fd 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -321,7 +321,7 @@ unsigned int addr = port->mapbase + (offset); \ if ((size) == 8) { \ ctrl_outb(value, addr); \ - } else { \ + } else if ((size) == 16) { \ ctrl_outw(value, addr); \ } -- cgit v1.2.3