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-rw-r--r--drivers/serial/sh-sci.c20
-rw-r--r--drivers/serial/sh-sci.h118
2 files changed, 74 insertions, 64 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 68c7f6c..37f0de9 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -222,9 +222,9 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
Set SCP6MD1,0 = {01} (output) */
__raw_writew((data & 0x0fcf) | 0x1000, SCPCR);
- data = ctrl_inb(SCPDR);
+ data = __raw_readb(SCPDR);
/* Set /RTS2 (bit6) = 0 */
- ctrl_outb(data & 0xbf, SCPDR);
+ __raw_writeb(data & 0xbf, SCPDR);
}
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
@@ -897,11 +897,21 @@ static void sci_shutdown(struct uart_port *port)
static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
{
- unsigned int status, baud, smr_val;
+ unsigned int status, baud, smr_val, max_baud;
int t = -1;
- baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
- if (likely(baud))
+ /*
+ * earlyprintk comes here early on with port->uartclk set to zero.
+ * the clock framework is not up and running at this point so here
+ * we assume that 115200 is the maximum baud rate. please note that
+ * the baud rate is not programmed during earlyprintk - it is assumed
+ * that the previous boot loader has enabled required clocks and
+ * setup the baud rate generator hardware for us already.
+ */
+ max_baud = port->uartclk ? port->uartclk / 16 : 115200;
+
+ baud = uart_get_baud_rate(port, termios, old, 0, max_baud);
+ if (likely(baud && port->uartclk))
t = SCBRR_VALUE(baud, port->uartclk);
do {
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index a32094ee..0efcded 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -517,20 +517,20 @@ static const struct __attribute__((packed)) {
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xfffffe80)
- return ctrl_inb(SCPDR)&0x01 ? 1 : 0; /* SCI */
+ return __raw_readb(SCPDR)&0x01 ? 1 : 0; /* SCI */
if (port->mapbase == 0xa4000150)
- return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
+ return __raw_readb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xa4000140)
- return ctrl_inb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
+ return __raw_readb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == SCIF0)
- return ctrl_inb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
+ return __raw_readb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
if (port->mapbase == SCIF2)
- return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
+ return __raw_readb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
@@ -557,68 +557,68 @@ static inline int sci_rxd_in(struct uart_port *port)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffe00000)
- return ctrl_inb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
+ return __raw_readb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
if (port->mapbase == 0xffe80000)
- return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffe80000)
- return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xfe4b0000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0;
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0;
if (port->mapbase == 0xfe4c0000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0;
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0;
if (port->mapbase == 0xfe4d0000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0;
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7760)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xfe600000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xfe610000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xfe620000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7343)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffe00000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffe10000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffe20000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffe30000)
- return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#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 __raw_readb(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 */
+ return __raw_readb(PSDR) & 0x02 ? 1 : 0; /* SCIF0 */
if (port->mapbase == 0xffe10000)
- return ctrl_inb(PADR) & 0x40 ? 1 : 0; /* SCIF1 */
+ return __raw_readb(PADR) & 0x40 ? 1 : 0; /* SCIF1 */
if (port->mapbase == 0xffe20000)
- return ctrl_inb(PWDR) & 0x04 ? 1 : 0; /* SCIF2 */
+ return __raw_readb(PWDR) & 0x04 ? 1 : 0; /* SCIF2 */
return 1;
}
@@ -626,17 +626,17 @@ static inline int sci_rxd_in(struct uart_port *port)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffe00000)
- return ctrl_inb(SCSPTR0) & 0x0008 ? 1 : 0; /* SCIF0 */
+ return __raw_readb(SCSPTR0) & 0x0008 ? 1 : 0; /* SCIF0 */
if (port->mapbase == 0xffe10000)
- return ctrl_inb(SCSPTR1) & 0x0020 ? 1 : 0; /* SCIF1 */
+ return __raw_readb(SCSPTR1) & 0x0020 ? 1 : 0; /* SCIF1 */
if (port->mapbase == 0xffe20000)
- return ctrl_inb(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF2 */
+ return __raw_readb(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF2 */
if (port->mapbase == 0xa4e30000)
- return ctrl_inb(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF3 */
+ return __raw_readb(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF3 */
if (port->mapbase == 0xa4e40000)
- return ctrl_inb(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF4 */
+ return __raw_readb(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF4 */
if (port->mapbase == 0xa4e50000)
- return ctrl_inb(SCSPTR5) & 0x0008 ? 1 : 0; /* SCIF5 */
+ return __raw_readb(SCSPTR5) & 0x0008 ? 1 : 0; /* SCIF5 */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7724)
@@ -645,9 +645,9 @@ static inline int sci_rxd_in(struct uart_port *port)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->type == PORT_SCIF)
- return ctrl_inw((port->mapbase + SCFSR)) & SCIF_BRK ? 1 : 0;
+ return __raw_readw((port->mapbase + SCFSR)) & SCIF_BRK ? 1 : 0;
if (port->type == PORT_SCIFA)
- return ctrl_inw((port->mapbase + SCASSR)) & SCIF_BRK ? 1 : 0;
+ return __raw_readw((port->mapbase + SCASSR)) & SCIF_BRK ? 1 : 0;
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
@@ -665,11 +665,11 @@ static inline int sci_rxd_in(struct uart_port *port)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffe00000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffe08000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffe10000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF/IRDA */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF/IRDA */
return 1;
}
@@ -677,20 +677,20 @@ static inline int sci_rxd_in(struct uart_port *port)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xff923000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xff924000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xff925000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffe00000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffe10000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
@@ -698,17 +698,17 @@ static inline int sci_rxd_in(struct uart_port *port)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffea0000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffeb0000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffec0000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffed0000)
- return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffee0000)
- return ctrl_inw(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffef0000)
- return ctrl_inw(SCSPTR5) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR5) & 0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \
@@ -718,22 +718,22 @@ static inline int sci_rxd_in(struct uart_port *port)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xfffe8000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xfffe8800)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xfffe9000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xfffe9800)
- return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
#if defined(CONFIG_CPU_SUBTYPE_SH7201)
if (port->mapbase == 0xfffeA000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xfffeA800)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xfffeB000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xfffeB800)
- return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
#endif
return 1;
}
@@ -741,24 +741,24 @@ static inline int sci_rxd_in(struct uart_port *port)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xf8400000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xf8410000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xf8420000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#elif defined(CONFIG_CPU_SUBTYPE_SHX3)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffc30000)
- return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffc40000)
- return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffc50000)
- return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xffc60000)
- return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+ return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
return 1;
}
#endif
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