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authorNobuhiro Iwamatsu <iwamatsu@nigauri.org>2007-03-27 18:13:51 +0900
committerPaul Mundt <lethal@hera.kernel.org>2007-05-07 02:10:54 +0000
commit9465a54fa4a9da628091c372baa84120f8304587 (patch)
treeef34abf9debce228b0985e0fb783ca46939e626a /drivers/serial
parentc86c5a910451dd5a30e62a9e36d8e9b3c7a0c1d1 (diff)
sh: MS7712SE01 board support.
Support the SH7712 (SH3-DSP) Solution Engine reference board. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/sh-sci.c13
-rw-r--r--drivers/serial/sh-sci.h43
2 files changed, 44 insertions, 12 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 8f387219287..0a34fa9e073 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -284,12 +284,23 @@ static void sci_init_pins_irda(struct uart_port *port, unsigned int cflag)
#endif
#if defined(SCIF_ONLY) || defined(SCI_AND_SCIF)
-#if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7710)
+#if defined(CONFIG_CPU_SUBTYPE_SH7300)
/* SH7300 doesn't use RTS/CTS */
static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
{
sci_out(port, SCFCR, 0);
}
+#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
+static void sci_init_pins_scif(struct uart_port* port, unsigned int cflag)
+{
+ unsigned int fcr_val = 0;
+
+ set_sh771x_scif_pfc(port);
+ if (cflag & CRTSCTS) {
+ fcr_val |= SCFCR_MCE;
+ }
+ sci_out(port, SCFCR, fcr_val);
+}
#elif defined(CONFIG_CPU_SH3)
/* For SH7705, SH7706, SH7707, SH7709, SH7709A, SH7729 */
static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 854153a1d60..fb04fb5f984 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -73,9 +73,13 @@
# define SCPDR 0xA4050136 /* 16 bit SCIF */
# define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */
# define SCIF_ONLY
-#elif defined(CONFIG_CPU_SUBTYPE_SH7710)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
# define SCSPTR0 0xA4400000 /* 16 bit SCIF */
-# define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */
+# define SCI_NPORTS 2
+# define SCIF_ORER 0x0001 /* overrun error bit */
+# define PACR 0xa4050100
+# define PBCR 0xa4050102
+# define SCSCR_INIT(port) 0x3B
# define SCIF_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_SH73180)
# define SCPDR 0xA4050138 /* 16 bit SCIF */
@@ -346,9 +350,15 @@
}
#ifdef CONFIG_CPU_SH3
-#if defined(CONFIG_CPU_SUBTYPE_SH7300) || \
- defined(CONFIG_CPU_SUBTYPE_SH7705) || \
- defined(CONFIG_CPU_SUBTYPE_SH7710)
+#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_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_SUBTYPE_SH7300) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7705)
#define SCIF_FNS(name, scif_offset, scif_size) \
CPU_SCIF_FNS(name, scif_offset, scif_size)
#else
@@ -375,8 +385,8 @@
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7300) || \
- defined(CONFIG_CPU_SUBTYPE_SH7705) || \
- defined(CONFIG_CPU_SUBTYPE_SH7710)
+ defined(CONFIG_CPU_SUBTYPE_SH7705)
+
SCIF_FNS(SCSMR, 0x00, 16)
SCIF_FNS(SCBRR, 0x04, 8)
SCIF_FNS(SCSCR, 0x08, 16)
@@ -486,13 +496,24 @@ static inline int sci_rxd_in(struct uart_port *port)
return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
return 1;
}
-#elif defined(CONFIG_CPU_SUBTYPE_SH7710)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
static inline int sci_rxd_in(struct uart_port *port)
{
- if (port->mapbase == SCSPTR0)
- return ctrl_inw(SCSPTR0 + 0x10) & 0x01 ? 1 : 0;
- return 1;
+ return sci_in(port,SCxSR)&0x0010 ? 1 : 0;
+}
+static inline void set_sh771x_scif_pfc(struct uart_port *port)
+{
+ if (port->mapbase == 0xA4400000){
+ ctrl_outw(ctrl_inw(PACR)&0xffc0,PACR);
+ ctrl_outw(ctrl_inw(PBCR)&0x0fff,PBCR);
+ return;
+ }
+ if (port->mapbase == 0xA4410000){
+ ctrl_outw(ctrl_inw(PBCR)&0xf003,PBCR);
+ return;
+ }
}
+
#elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \
defined(CONFIG_CPU_SUBTYPE_SH7751) || \
defined(CONFIG_CPU_SUBTYPE_SH4_202)