From 69edbba0021a48fe034849501513930f6175cb5d Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 25 Dec 2008 18:17:34 +0900 Subject: sh: use gpiolib This patch updates the SuperH gpio code to make use of gpiolib. The gpiolib callbacks get() and set() are lockless, but we use our own spinlock for the other operations to make sure hardware register bitfield accesses stay atomic. 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 3599828b976..6a7cd498023 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -1,6 +1,6 @@ #include #include -#include +#include #if defined(CONFIG_H83007) || defined(CONFIG_H83068) #include -- cgit v1.2.3 From 973e5d525d39be6f9f6c38d37aacf03efda02e60 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Tue, 24 Feb 2009 15:57:12 +0900 Subject: serial: sh-sci: console drainage Modify the serial console code to wait for the transmit FIFO, make sure all bits have been put on the wire before returning. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers/serial') diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 557b54ab2f2..d3ccce0bfd4 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -139,7 +139,7 @@ static void sci_poll_put_char(struct uart_port *port, unsigned char c) } while (!(status & SCxSR_TDxE(port))); sci_in(port, SCxSR); /* Dummy read */ - sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port)); + sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port) & ~SCxSR_TEND(port)); sci_out(port, SCxTDR, c); } #endif /* CONFIG_CONSOLE_POLL || CONFIG_SERIAL_SH_SCI_CONSOLE */ @@ -1095,6 +1095,7 @@ static void serial_console_write(struct console *co, const char *s, unsigned count) { struct uart_port *port = &serial_console_port->port; + unsigned short bits; int i; for (i = 0; i < count; i++) { @@ -1103,6 +1104,11 @@ static void serial_console_write(struct console *co, const char *s, sci_poll_put_char(port, *s++); } + + /* wait until fifo is empty and last bit has been transmitted */ + bits = SCxSR_TDxE(port) | SCxSR_TEND(port); + while ((sci_in(port, SCxSR) & bits) != bits) + cpu_relax(); } static int __init serial_console_setup(struct console *co, char *options) -- cgit v1.2.3 From 55ba99eb211a06709237cb322ecd8c8b6faf6159 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Tue, 3 Mar 2009 15:40:25 +0900 Subject: sh: Add support for SH7786 CPU subtype. This adds preliminary support for the SH7786 CPU subtype. While this is a dual-core CPU, only UP is supported for now. L2 cache support is likewise not yet implemented. More information on this particular CPU subtype is available at: http://www.renesas.com/fmwk.jsp?cnt=sh7786_root.jsp&fp=/products/mpumcu/superh_family/sh7780_series/sh7786_group/ Signed-off-by: Kuninori Morimoto Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.c | 4 +++- drivers/serial/sh-sci.h | 13 +++++++++---- 2 files changed, 12 insertions(+), 5 deletions(-) (limited to 'drivers/serial') diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index d3ccce0bfd4..dbf5357a77b 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -263,6 +263,7 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag) #elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \ defined(CONFIG_CPU_SUBTYPE_SH7780) || \ defined(CONFIG_CPU_SUBTYPE_SH7785) || \ + defined(CONFIG_CPU_SUBTYPE_SH7786) || \ defined(CONFIG_CPU_SUBTYPE_SHX3) static inline void sci_init_pins(struct uart_port *port, unsigned int cflag) { @@ -284,7 +285,8 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag) #if defined(CONFIG_CPU_SUBTYPE_SH7760) || \ defined(CONFIG_CPU_SUBTYPE_SH7780) || \ - defined(CONFIG_CPU_SUBTYPE_SH7785) + defined(CONFIG_CPU_SUBTYPE_SH7785) || \ + defined(CONFIG_CPU_SUBTYPE_SH7786) static inline int scif_txroom(struct uart_port *port) { return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0xff); diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index bb9fe122488..d0aa82d7fce 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -126,7 +126,8 @@ # define SCSPTR1 0xffe10024 /* 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_SUBTYPE_SH7785) +#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \ + defined(CONFIG_CPU_SUBTYPE_SH7786) # define SCSPTR0 0xffea0024 /* 16 bit SCIF */ # define SCSPTR1 0xffeb0024 /* 16 bit SCIF */ # define SCSPTR2 0xffec0024 /* 16 bit SCIF */ @@ -182,6 +183,7 @@ defined(CONFIG_CPU_SUBTYPE_SH7763) || \ defined(CONFIG_CPU_SUBTYPE_SH7780) || \ defined(CONFIG_CPU_SUBTYPE_SH7785) || \ + defined(CONFIG_CPU_SUBTYPE_SH7786) || \ defined(CONFIG_CPU_SUBTYPE_SHX3) #define SCI_CTRL_FLAGS_REIE 0x08 /* 7750 SCIF */ #else @@ -413,7 +415,8 @@ SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8) SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16) #if defined(CONFIG_CPU_SUBTYPE_SH7760) || \ defined(CONFIG_CPU_SUBTYPE_SH7780) || \ - defined(CONFIG_CPU_SUBTYPE_SH7785) + defined(CONFIG_CPU_SUBTYPE_SH7785) || \ + defined(CONFIG_CPU_SUBTYPE_SH7786) SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16) @@ -644,7 +647,8 @@ static inline int sci_rxd_in(struct uart_port *port) return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */ return 1; } -#elif defined(CONFIG_CPU_SUBTYPE_SH7785) +#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \ + defined(CONFIG_CPU_SUBTYPE_SH7786) static inline int sci_rxd_in(struct uart_port *port) { if (port->mapbase == 0xffea0000) @@ -746,7 +750,8 @@ static inline int sci_rxd_in(struct uart_port *port) */ #if defined(CONFIG_CPU_SUBTYPE_SH7780) || \ - defined(CONFIG_CPU_SUBTYPE_SH7785) + defined(CONFIG_CPU_SUBTYPE_SH7785) || \ + defined(CONFIG_CPU_SUBTYPE_SH7786) #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1) #elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \ defined(CONFIG_CPU_SUBTYPE_SH7720) || \ -- cgit v1.2.3 From 65a212dd71ffd99c83ad780205932fcb96a973b6 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Tue, 24 Mar 2009 16:38:21 -0700 Subject: serial: struct device - replace bus_id with dev_name(), dev_set_name() Cc: davem@davemloft.net Acked-by: Greg Kroah-Hartman Signed-off-by: Kay Sievers --- drivers/serial/sunzilog.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/serial') diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c index 45a299f3561..e09d3cebb4f 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -1438,12 +1438,12 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m } else { printk(KERN_INFO "%s: Keyboard at MMIO 0x%llx (irq = %d) " "is a %s\n", - op->dev.bus_id, + dev_name(&op->dev), (unsigned long long) up[0].port.mapbase, op->irqs[0], sunzilog_type(&up[0].port)); printk(KERN_INFO "%s: Mouse at MMIO 0x%llx (irq = %d) " "is a %s\n", - op->dev.bus_id, + dev_name(&op->dev), (unsigned long long) up[1].port.mapbase, op->irqs[0], sunzilog_type(&up[1].port)); kbm_inst++; -- cgit v1.2.3