Merge branch 'common/serial-rework' into sh-latest

This commit is contained in:
Paul Mundt 2011-06-15 18:03:58 +09:00
commit 1f83812d61
26 changed files with 632 additions and 674 deletions

View file

@ -173,6 +173,7 @@ core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
cpuincdir-y += cpu-common # Must be last

View file

@ -0,0 +1,10 @@
#ifndef __CPU_SH3_SERIAL_H
#define __CPU_SH3_SERIAL_H
#include <linux/serial_sci.h>
extern struct plat_sci_port_ops sh770x_sci_port_ops;
extern struct plat_sci_port_ops sh7710_sci_port_ops;
extern struct plat_sci_port_ops sh7720_sci_port_ops;
#endif /* __CPU_SH3_SERIAL_H */

View file

@ -0,0 +1,7 @@
#ifndef __CPU_SH4A_SERIAL_H
#define __CPU_SH4A_SERIAL_H
/* arch/sh/kernel/cpu/sh4a/serial-sh7722.c */
extern struct plat_sci_port_ops sh7722_sci_port_ops;
#endif /* __CPU_SH4A_SERIAL_H */

View file

@ -7,15 +7,15 @@ obj-y := ex.o probe.o entry.o setup-sh3.o
obj-$(CONFIG_HIBERNATION) += swsusp.o
# CPU subtype setup
obj-$(CONFIG_CPU_SUBTYPE_SH7705) += setup-sh7705.o
obj-$(CONFIG_CPU_SUBTYPE_SH7706) += setup-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7707) += setup-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7708) += setup-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7709) += setup-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7710) += setup-sh7710.o
obj-$(CONFIG_CPU_SUBTYPE_SH7712) += setup-sh7710.o
obj-$(CONFIG_CPU_SUBTYPE_SH7720) += setup-sh7720.o
obj-$(CONFIG_CPU_SUBTYPE_SH7721) += setup-sh7720.o
obj-$(CONFIG_CPU_SUBTYPE_SH7705) += setup-sh7705.o serial-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7706) += setup-sh770x.o serial-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7707) += setup-sh770x.o serial-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7708) += setup-sh770x.o serial-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7709) += setup-sh770x.o serial-sh770x.o
obj-$(CONFIG_CPU_SUBTYPE_SH7710) += setup-sh7710.o serial-sh7710.o
obj-$(CONFIG_CPU_SUBTYPE_SH7712) += setup-sh7710.o serial-sh7710.o
obj-$(CONFIG_CPU_SUBTYPE_SH7720) += setup-sh7720.o serial-sh7720.o
obj-$(CONFIG_CPU_SUBTYPE_SH7721) += setup-sh7720.o serial-sh7720.o
# Primary on-chip clocks (common)
clock-$(CONFIG_CPU_SH3) := clock-sh3.o

View file

@ -0,0 +1,33 @@
#include <linux/serial_sci.h>
#include <linux/serial_core.h>
#include <linux/io.h>
#include <cpu/serial.h>
#define SCPCR 0xA4000116
#define SCPDR 0xA4000136
static void sh770x_sci_init_pins(struct uart_port *port, unsigned int cflag)
{
unsigned short data;
/* We need to set SCPCR to enable RTS/CTS */
data = __raw_readw(SCPCR);
/* Clear out SCP7MD1,0, SCP6MD1,0, SCP4MD1,0*/
__raw_writew(data & 0x0fcf, SCPCR);
if (!(cflag & CRTSCTS)) {
/* We need to set SCPCR to enable RTS/CTS */
data = __raw_readw(SCPCR);
/* Clear out SCP7MD1,0, SCP4MD1,0,
Set SCP6MD1,0 = {01} (output) */
__raw_writew((data & 0x0fcf) | 0x1000, SCPCR);
data = __raw_readb(SCPDR);
/* Set /RTS2 (bit6) = 0 */
__raw_writeb(data & 0xbf, SCPDR);
}
}
struct plat_sci_port_ops sh770x_sci_port_ops = {
.init_pins = sh770x_sci_init_pins,
};

View file

@ -0,0 +1,20 @@
#include <linux/serial_sci.h>
#include <linux/serial_core.h>
#include <linux/io.h>
#include <cpu/serial.h>
#define PACR 0xa4050100
#define PBCR 0xa4050102
static void sh7710_sci_init_pins(struct uart_port *port, unsigned int cflag)
{
if (port->mapbase == 0xA4400000) {
__raw_writew(__raw_readw(PACR) & 0xffc0, PACR);
__raw_writew(__raw_readw(PBCR) & 0x0fff, PBCR);
} else if (port->mapbase == 0xA4410000)
__raw_writew(__raw_readw(PBCR) & 0xf003, PBCR);
}
struct plat_sci_port_ops sh7710_sci_port_ops = {
.init_pins = sh7710_sci_init_pins,
};

View file

@ -0,0 +1,36 @@
#include <linux/serial_sci.h>
#include <linux/serial_core.h>
#include <linux/io.h>
#include <cpu/serial.h>
static void sh7720_sci_init_pins(struct uart_port *port, unsigned int cflag)
{
unsigned short data;
if (cflag & CRTSCTS) {
/* enable RTS/CTS */
if (port->mapbase == 0xa4430000) { /* SCIF0 */
/* Clear PTCR bit 9-2; enable all scif pins but sck */
data = __raw_readw(PORT_PTCR);
__raw_writew((data & 0xfc03), PORT_PTCR);
} else if (port->mapbase == 0xa4438000) { /* SCIF1 */
/* Clear PVCR bit 9-2 */
data = __raw_readw(PORT_PVCR);
__raw_writew((data & 0xfc03), PORT_PVCR);
}
} else {
if (port->mapbase == 0xa4430000) { /* SCIF0 */
/* Clear PTCR bit 5-2; enable only tx and rx */
data = __raw_readw(PORT_PTCR);
__raw_writew((data & 0xffc3), PORT_PTCR);
} else if (port->mapbase == 0xa4438000) { /* SCIF1 */
/* Clear PVCR bit 5-2 */
data = __raw_readw(PORT_PVCR);
__raw_writew((data & 0xffc3), PORT_PVCR);
}
}
}
struct plat_sci_port_ops sh7720_sci_port_ops = {
.init_pins = sh7720_sci_init_pins,
};

View file

@ -15,6 +15,7 @@
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <asm/rtc.h>
#include <cpu/serial.h>
enum {
UNUSED = 0,
@ -75,6 +76,8 @@ static struct plat_sci_port scif0_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_4,
.type = PORT_SCIF,
.irqs = { 56, 56, 56 },
.ops = &sh770x_sci_port_ops,
.regtype = SCIx_SH7705_SCIF_REGTYPE,
};
static struct platform_device scif0_device = {
@ -92,6 +95,8 @@ static struct plat_sci_port scif1_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_4,
.type = PORT_SCIF,
.irqs = { 52, 52, 52 },
.ops = &sh770x_sci_port_ops,
.regtype = SCIx_SH7705_SCIF_REGTYPE,
};
static struct platform_device scif1_device = {

View file

@ -19,6 +19,7 @@
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <cpu/serial.h>
enum {
UNUSED = 0,
@ -108,11 +109,14 @@ static struct platform_device rtc_device = {
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xfffffe80,
.port_reg = 0xa4000136,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_TE | SCSCR_RE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCI,
.irqs = { 23, 23, 23, 0 },
.ops = &sh770x_sci_port_ops,
.regshift = 1,
};
static struct platform_device scif0_device = {
@ -132,6 +136,8 @@ static struct plat_sci_port scif1_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 56, 56, 56, 56 },
.ops = &sh770x_sci_port_ops,
.regtype = SCIx_SH3_SCIF_REGTYPE,
};
static struct platform_device scif1_device = {
@ -146,11 +152,14 @@ static struct platform_device scif1_device = {
defined(CONFIG_CPU_SUBTYPE_SH7709)
static struct plat_sci_port scif2_platform_data = {
.mapbase = 0xa4000140,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_TE | SCSCR_RE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_IRDA,
.irqs = { 52, 52, 52, 52 },
.ops = &sh770x_sci_port_ops,
.regshift = 1,
};
static struct platform_device scif2_device = {

View file

@ -20,6 +20,7 @@
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <asm/rtc.h>
#include <cpu/serial.h>
static struct resource rtc_resources[] = {
[0] = {
@ -55,6 +56,8 @@ static struct plat_sci_port scif0_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_4,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
.ops = &sh7720_sci_port_ops,
.regtype = SCIx_SH7705_SCIF_REGTYPE,
};
static struct platform_device scif0_device = {
@ -72,6 +75,8 @@ static struct plat_sci_port scif1_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_4,
.type = PORT_SCIF,
.irqs = { 81, 81, 81, 81 },
.ops = &sh7720_sci_port_ops,
.regtype = SCIx_SH7705_SCIF_REGTYPE,
};
static struct platform_device scif1_device = {

View file

@ -1,5 +1,5 @@
/*
* SH7750/SH7751 Setup
* SH7091/SH7750/SH7750S/SH7750R/SH7751/SH7751R Setup
*
* Copyright (C) 2006 Paul Mundt
* Copyright (C) 2006 Jamie Lenehan
@ -38,11 +38,13 @@ static struct platform_device rtc_device = {
static struct plat_sci_port sci_platform_data = {
.mapbase = 0xffe00000,
.port_reg = 0xffe0001C
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_TE | SCSCR_RE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCI,
.irqs = { 23, 23, 23, 0 },
.regshift = 2,
};
static struct platform_device sci_device = {

View file

@ -133,6 +133,7 @@ static struct plat_sci_port scif0_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 52, 53, 55, 54 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif0_device = {
@ -150,6 +151,7 @@ static struct plat_sci_port scif1_platform_data = {
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.irqs = { 72, 73, 75, 74 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif1_device = {
@ -167,6 +169,7 @@ static struct plat_sci_port scif2_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 76, 77, 79, 78 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif2_device = {
@ -184,6 +187,7 @@ static struct plat_sci_port scif3_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCI,
.irqs = { 80, 81, 82, 0 },
.regshift = 2,
};
static struct platform_device scif3_device = {

View file

@ -10,7 +10,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7780) += setup-sh7780.o
obj-$(CONFIG_CPU_SUBTYPE_SH7785) += setup-sh7785.o
obj-$(CONFIG_CPU_SUBTYPE_SH7786) += setup-sh7786.o intc-shx3.o
obj-$(CONFIG_CPU_SUBTYPE_SH7343) += setup-sh7343.o
obj-$(CONFIG_CPU_SUBTYPE_SH7722) += setup-sh7722.o
obj-$(CONFIG_CPU_SUBTYPE_SH7722) += setup-sh7722.o serial-sh7722.o
obj-$(CONFIG_CPU_SUBTYPE_SH7723) += setup-sh7723.o
obj-$(CONFIG_CPU_SUBTYPE_SH7724) += setup-sh7724.o
obj-$(CONFIG_CPU_SUBTYPE_SH7366) += setup-sh7366.o

View file

@ -0,0 +1,23 @@
#include <linux/serial_sci.h>
#include <linux/serial_core.h>
#include <linux/io.h>
#define PSCR 0xA405011E
static void sh7722_sci_init_pins(struct uart_port *port, unsigned int cflag)
{
unsigned short data;
if (port->mapbase == 0xffe00000) {
data = __raw_readw(PSCR);
data &= ~0x03cf;
if (!(cflag & CRTSCTS))
data |= 0x0340;
__raw_writew(data, PSCR);
}
}
struct plat_sci_port_ops sh7722_sci_port_ops = {
.init_pins = sh7722_sci_init_pins,
};

View file

@ -20,6 +20,7 @@
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xffe00000,
.port_reg = 0xa405013e,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,

View file

@ -185,6 +185,8 @@ static struct plat_sci_port scif0_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
.ops = &sh7722_sci_port_ops,
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif0_device = {
@ -202,6 +204,8 @@ static struct plat_sci_port scif1_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 81, 81, 81, 81 },
.ops = &sh7722_sci_port_ops,
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif1_device = {
@ -219,6 +223,8 @@ static struct plat_sci_port scif2_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 82, 82, 82, 82 },
.ops = &sh7722_sci_port_ops,
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif2_device = {

View file

@ -23,11 +23,13 @@
/* Serial */
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xffe00000,
.port_reg = 0xa4050160,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif0_device = {
@ -40,11 +42,13 @@ static struct platform_device scif0_device = {
static struct plat_sci_port scif1_platform_data = {
.mapbase = 0xffe10000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 81, 81, 81, 81 },
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif1_device = {
@ -57,11 +61,13 @@ static struct platform_device scif1_device = {
static struct plat_sci_port scif2_platform_data = {
.mapbase = 0xffe20000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 82, 82, 82, 82 },
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif2_device = {
@ -75,6 +81,7 @@ static struct platform_device scif2_device = {
static struct plat_sci_port scif3_platform_data = {
.mapbase = 0xa4e30000,
.flags = UPF_BOOT_AUTOCONF,
.port_reg = SCIx_NOT_SUPPORTED,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_3,
.type = PORT_SCIFA,
@ -91,6 +98,7 @@ static struct platform_device scif3_device = {
static struct plat_sci_port scif4_platform_data = {
.mapbase = 0xa4e40000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_3,
@ -108,6 +116,7 @@ static struct platform_device scif4_device = {
static struct plat_sci_port scif5_platform_data = {
.mapbase = 0xa4e50000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_3,

View file

@ -256,11 +256,13 @@ static struct platform_device dma1_device = {
/* Serial */
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xffe00000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif0_device = {
@ -273,11 +275,13 @@ static struct platform_device scif0_device = {
static struct plat_sci_port scif1_platform_data = {
.mapbase = 0xffe10000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 81, 81, 81, 81 },
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif1_device = {
@ -290,11 +294,13 @@ static struct platform_device scif1_device = {
static struct plat_sci_port scif2_platform_data = {
.mapbase = 0xffe20000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 82, 82, 82, 82 },
.regtype = SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
};
static struct platform_device scif2_device = {
@ -307,6 +313,7 @@ static struct platform_device scif2_device = {
static struct plat_sci_port scif3_platform_data = {
.mapbase = 0xa4e30000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE,
.scbrr_algo_id = SCBRR_ALGO_3,
@ -324,6 +331,7 @@ static struct platform_device scif3_device = {
static struct plat_sci_port scif4_platform_data = {
.mapbase = 0xa4e40000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE,
.scbrr_algo_id = SCBRR_ALGO_3,
@ -341,6 +349,7 @@ static struct platform_device scif4_device = {
static struct plat_sci_port scif5_platform_data = {
.mapbase = 0xa4e50000,
.port_reg = SCIx_NOT_SUPPORTED,
.flags = UPF_BOOT_AUTOCONF,
.scscr = SCSCR_RE | SCSCR_TE,
.scbrr_algo_id = SCBRR_ALGO_3,

View file

@ -23,6 +23,7 @@ static struct plat_sci_port scif0_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 40, 40, 40, 40 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif0_device = {
@ -40,6 +41,7 @@ static struct plat_sci_port scif1_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 76, 76, 76, 76 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif1_device = {
@ -57,6 +59,7 @@ static struct plat_sci_port scif2_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 104, 104, 104, 104 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif2_device = {

View file

@ -14,7 +14,6 @@
#include <linux/serial_sci.h>
#include <linux/sh_dma.h>
#include <linux/sh_timer.h>
#include <cpu/dma-register.h>
static struct plat_sci_port scif0_platform_data = {
@ -24,6 +23,7 @@ static struct plat_sci_port scif0_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 40, 40, 40, 40 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif0_device = {
@ -41,6 +41,7 @@ static struct plat_sci_port scif1_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 76, 76, 76, 76 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif1_device = {

View file

@ -15,9 +15,7 @@
#include <linux/mm.h>
#include <linux/sh_dma.h>
#include <linux/sh_timer.h>
#include <asm/mmzone.h>
#include <cpu/dma-register.h>
static struct plat_sci_port scif0_platform_data = {
@ -27,6 +25,7 @@ static struct plat_sci_port scif0_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 40, 40, 40, 40 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif0_device = {
@ -44,6 +43,7 @@ static struct plat_sci_port scif1_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 44, 44, 44, 44 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif1_device = {
@ -61,6 +61,7 @@ static struct plat_sci_port scif2_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 60, 60, 60, 60 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif2_device = {
@ -78,6 +79,7 @@ static struct plat_sci_port scif3_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 61, 61, 61, 61 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif3_device = {
@ -95,6 +97,7 @@ static struct plat_sci_port scif4_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 62, 62, 62, 62 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif4_device = {
@ -112,6 +115,7 @@ static struct plat_sci_port scif5_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 63, 63, 63, 63 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif5_device = {

View file

@ -1,7 +1,7 @@
/*
* SH7786 Setup
*
* Copyright (C) 2009 - 2010 Renesas Solutions Corp.
* Copyright (C) 2009 - 2011 Renesas Solutions Corp.
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
* Paul Mundt <paul.mundt@renesas.com>
*
@ -33,6 +33,7 @@ static struct plat_sci_port scif0_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 40, 41, 43, 42 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif0_device = {
@ -53,6 +54,7 @@ static struct plat_sci_port scif1_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 44, 44, 44, 44 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif1_device = {
@ -70,6 +72,7 @@ static struct plat_sci_port scif2_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 50, 50, 50, 50 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif2_device = {
@ -87,6 +90,7 @@ static struct plat_sci_port scif3_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 51, 51, 51, 51 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif3_device = {
@ -104,6 +108,7 @@ static struct plat_sci_port scif4_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 52, 52, 52, 52 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif4_device = {
@ -121,6 +126,7 @@ static struct plat_sci_port scif5_platform_data = {
.scbrr_algo_id = SCBRR_ALGO_1,
.type = PORT_SCIF,
.irqs = { 53, 53, 53, 53 },
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif5_device = {

View file

@ -974,7 +974,7 @@ config SERIAL_IP22_ZILOG_CONSOLE
config SERIAL_SH_SCI
tristate "SuperH SCI(F) serial port support"
depends on HAVE_CLK && (SUPERH || H8300 || ARCH_SHMOBILE)
depends on HAVE_CLK && (SUPERH || ARCH_SHMOBILE)
select SERIAL_CORE
config SERIAL_SH_SCI_NR_UARTS

View file

@ -54,10 +54,6 @@
#include <asm/sh_bios.h>
#endif
#ifdef CONFIG_H8300
#include <asm/gpio.h>
#endif
#include "sh-sci.h"
struct sci_port {
@ -121,6 +117,255 @@ to_sci_port(struct uart_port *uart)
return container_of(uart, struct sci_port, port);
}
struct plat_sci_reg {
u8 offset, size;
};
/* Helper for invalidating specific entries of an inherited map. */
#define sci_reg_invalid { .offset = 0, .size = 0 }
static struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
[SCIx_PROBE_REGTYPE] = {
[0 ... SCIx_NR_REGS - 1] = sci_reg_invalid,
},
/*
* Common SCI definitions, dependent on the port's regshift
* value.
*/
[SCIx_SCI_REGTYPE] = {
[SCSMR] = { 0x00, 8 },
[SCBRR] = { 0x01, 8 },
[SCSCR] = { 0x02, 8 },
[SCxTDR] = { 0x03, 8 },
[SCxSR] = { 0x04, 8 },
[SCxRDR] = { 0x05, 8 },
[SCFCR] = sci_reg_invalid,
[SCFDR] = sci_reg_invalid,
[SCTFDR] = sci_reg_invalid,
[SCRFDR] = sci_reg_invalid,
[SCSPTR] = sci_reg_invalid,
[SCLSR] = sci_reg_invalid,
},
/*
* Common definitions for legacy IrDA ports, dependent on
* regshift value.
*/
[SCIx_IRDA_REGTYPE] = {
[SCSMR] = { 0x00, 8 },
[SCBRR] = { 0x01, 8 },
[SCSCR] = { 0x02, 8 },
[SCxTDR] = { 0x03, 8 },
[SCxSR] = { 0x04, 8 },
[SCxRDR] = { 0x05, 8 },
[SCFCR] = { 0x06, 8 },
[SCFDR] = { 0x07, 16 },
[SCTFDR] = sci_reg_invalid,
[SCRFDR] = sci_reg_invalid,
[SCSPTR] = sci_reg_invalid,
[SCLSR] = sci_reg_invalid,
},
/*
* Common SCIFA definitions.
*/
[SCIx_SCIFA_REGTYPE] = {
[SCSMR] = { 0x00, 16 },
[SCBRR] = { 0x04, 8 },
[SCSCR] = { 0x08, 16 },
[SCxTDR] = { 0x20, 8 },
[SCxSR] = { 0x14, 16 },
[SCxRDR] = { 0x24, 8 },
[SCFCR] = { 0x18, 16 },
[SCFDR] = { 0x1c, 16 },
[SCTFDR] = sci_reg_invalid,
[SCRFDR] = sci_reg_invalid,
[SCSPTR] = sci_reg_invalid,
[SCLSR] = sci_reg_invalid,
},
/*
* Common SCIFB definitions.
*/
[SCIx_SCIFB_REGTYPE] = {
[SCSMR] = { 0x00, 16 },
[SCBRR] = { 0x04, 8 },
[SCSCR] = { 0x08, 16 },
[SCxTDR] = { 0x40, 8 },
[SCxSR] = { 0x14, 16 },
[SCxRDR] = { 0x60, 8 },
[SCFCR] = { 0x18, 16 },
[SCFDR] = { 0x1c, 16 },
[SCTFDR] = sci_reg_invalid,
[SCRFDR] = sci_reg_invalid,
[SCSPTR] = sci_reg_invalid,
[SCLSR] = sci_reg_invalid,
},
/*
* Common SH-3 SCIF definitions.
*/
[SCIx_SH3_SCIF_REGTYPE] = {
[SCSMR] = { 0x00, 8 },
[SCBRR] = { 0x02, 8 },
[SCSCR] = { 0x04, 8 },
[SCxTDR] = { 0x06, 8 },
[SCxSR] = { 0x08, 16 },
[SCxRDR] = { 0x0a, 8 },
[SCFCR] = { 0x0c, 8 },
[SCFDR] = { 0x0e, 16 },
[SCTFDR] = sci_reg_invalid,
[SCRFDR] = sci_reg_invalid,
[SCSPTR] = sci_reg_invalid,
[SCLSR] = sci_reg_invalid,
},
/*
* Common SH-4(A) SCIF(B) definitions.
*/
[SCIx_SH4_SCIF_REGTYPE] = {
[SCSMR] = { 0x00, 16 },
[SCBRR] = { 0x04, 8 },
[SCSCR] = { 0x08, 16 },
[SCxTDR] = { 0x0c, 8 },
[SCxSR] = { 0x10, 16 },
[SCxRDR] = { 0x14, 8 },
[SCFCR] = { 0x18, 16 },
[SCFDR] = { 0x1c, 16 },
[SCTFDR] = sci_reg_invalid,
[SCRFDR] = sci_reg_invalid,
[SCSPTR] = { 0x20, 16 },
[SCLSR] = { 0x24, 16 },
},
/*
* Common SH-4(A) SCIF(B) definitions for ports without an SCSPTR
* register.
*/
[SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE] = {
[SCSMR] = { 0x00, 16 },
[SCBRR] = { 0x04, 8 },
[SCSCR] = { 0x08, 16 },
[SCxTDR] = { 0x0c, 8 },
[SCxSR] = { 0x10, 16 },
[SCxRDR] = { 0x14, 8 },
[SCFCR] = { 0x18, 16 },
[SCFDR] = { 0x1c, 16 },
[SCTFDR] = sci_reg_invalid,
[SCRFDR] = sci_reg_invalid,
[SCSPTR] = sci_reg_invalid,
[SCLSR] = { 0x24, 16 },
},
/*
* Common SH-4(A) SCIF(B) definitions for ports with FIFO data
* count registers.
*/
[SCIx_SH4_SCIF_FIFODATA_REGTYPE] = {
[SCSMR] = { 0x00, 16 },
[SCBRR] = { 0x04, 8 },
[SCSCR] = { 0x08, 16 },
[SCxTDR] = { 0x0c, 8 },
[SCxSR] = { 0x10, 16 },
[SCxRDR] = { 0x14, 8 },
[SCFCR] = { 0x18, 16 },
[SCFDR] = { 0x1c, 16 },
[SCTFDR] = { 0x1c, 16 }, /* aliased to SCFDR */
[SCRFDR] = { 0x20, 16 },
[SCSPTR] = { 0x24, 16 },
[SCLSR] = { 0x28, 16 },
},
/*
* SH7705-style SCIF(B) ports, lacking both SCSPTR and SCLSR
* registers.
*/
[SCIx_SH7705_SCIF_REGTYPE] = {
[SCSMR] = { 0x00, 16 },
[SCBRR] = { 0x04, 8 },
[SCSCR] = { 0x08, 16 },
[SCxTDR] = { 0x20, 8 },
[SCxSR] = { 0x14, 16 },
[SCxRDR] = { 0x24, 8 },
[SCFCR] = { 0x18, 16 },
[SCFDR] = { 0x1c, 16 },
[SCTFDR] = sci_reg_invalid,
[SCRFDR] = sci_reg_invalid,
[SCSPTR] = sci_reg_invalid,
[SCLSR] = sci_reg_invalid,
},
};
#define sci_getreg(up, offset) (sci_regmap[to_sci_port(up)->cfg->regtype] + offset)
/*
* The "offset" here is rather misleading, in that it refers to an enum
* value relative to the port mapping rather than the fixed offset
* itself, which needs to be manually retrieved from the platform's
* register map for the given port.
*/
static unsigned int sci_serial_in(struct uart_port *p, int offset)
{
struct plat_sci_reg *reg = sci_getreg(p, offset);
if (reg->size == 8)
return ioread8(p->membase + (reg->offset << p->regshift));
else if (reg->size == 16)
return ioread16(p->membase + (reg->offset << p->regshift));
else
WARN(1, "Invalid register access\n");
return 0;
}
static void sci_serial_out(struct uart_port *p, int offset, int value)
{
struct plat_sci_reg *reg = sci_getreg(p, offset);
if (reg->size == 8)
iowrite8(value, p->membase + (reg->offset << p->regshift));
else if (reg->size == 16)
iowrite16(value, p->membase + (reg->offset << p->regshift));
else
WARN(1, "Invalid register access\n");
}
#define sci_in(up, offset) (up->serial_in(up, offset))
#define sci_out(up, offset, value) (up->serial_out(up, offset, value))
static int sci_probe_regmap(struct plat_sci_port *cfg)
{
switch (cfg->type) {
case PORT_SCI:
cfg->regtype = SCIx_SCI_REGTYPE;
break;
case PORT_IRDA:
cfg->regtype = SCIx_IRDA_REGTYPE;
break;
case PORT_SCIFA:
cfg->regtype = SCIx_SCIFA_REGTYPE;
break;
case PORT_SCIFB:
cfg->regtype = SCIx_SCIFB_REGTYPE;
break;
case PORT_SCIF:
/*
* The SH-4 is a bit of a misnomer here, although that's
* where this particular port layout originated. This
* configuration (or some slight variation thereof)
* remains the dominant model for all SCIFs.
*/
cfg->regtype = SCIx_SH4_SCIF_REGTYPE;
break;
default:
printk(KERN_ERR "Can't probe register map for given port\n");
return -EINVAL;
}
return 0;
}
#if defined(CONFIG_CONSOLE_POLL) || defined(CONFIG_SERIAL_SH_SCI_CONSOLE)
#ifdef CONFIG_CONSOLE_POLL
@ -164,225 +409,78 @@ static void sci_poll_put_char(struct uart_port *port, unsigned char c)
}
#endif /* CONFIG_CONSOLE_POLL || CONFIG_SERIAL_SH_SCI_CONSOLE */
#if defined(__H8300H__) || defined(__H8300S__)
static void sci_init_pins(struct uart_port *port, unsigned int cflag)
{
int ch = (port->mapbase - SMR0) >> 3;
struct sci_port *s = to_sci_port(port);
struct plat_sci_reg *reg = sci_regmap[s->cfg->regtype] + SCSPTR;
/* set DDR regs */
H8300_GPIO_DDR(h8300_sci_pins[ch].port,
h8300_sci_pins[ch].rx,
H8300_GPIO_INPUT);
H8300_GPIO_DDR(h8300_sci_pins[ch].port,
h8300_sci_pins[ch].tx,
H8300_GPIO_OUTPUT);
/* tx mark output*/
H8300_SCI_DR(ch) |= h8300_sci_pins[ch].tx;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
{
if (port->mapbase == 0xA4400000) {
__raw_writew(__raw_readw(PACR) & 0xffc0, PACR);
__raw_writew(__raw_readw(PBCR) & 0x0fff, PBCR);
} else if (port->mapbase == 0xA4410000)
__raw_writew(__raw_readw(PBCR) & 0xf003, PBCR);
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7720) || defined(CONFIG_CPU_SUBTYPE_SH7721)
static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
{
unsigned short data;
if (cflag & CRTSCTS) {
/* enable RTS/CTS */
if (port->mapbase == 0xa4430000) { /* SCIF0 */
/* Clear PTCR bit 9-2; enable all scif pins but sck */
data = __raw_readw(PORT_PTCR);
__raw_writew((data & 0xfc03), PORT_PTCR);
} else if (port->mapbase == 0xa4438000) { /* SCIF1 */
/* Clear PVCR bit 9-2 */
data = __raw_readw(PORT_PVCR);
__raw_writew((data & 0xfc03), PORT_PVCR);
}
} else {
if (port->mapbase == 0xa4430000) { /* SCIF0 */
/* Clear PTCR bit 5-2; enable only tx and rx */
data = __raw_readw(PORT_PTCR);
__raw_writew((data & 0xffc3), PORT_PTCR);
} else if (port->mapbase == 0xa4438000) { /* SCIF1 */
/* Clear PVCR bit 5-2 */
data = __raw_readw(PORT_PVCR);
__raw_writew((data & 0xffc3), PORT_PVCR);
}
/*
* Use port-specific handler if provided.
*/
if (s->cfg->ops && s->cfg->ops->init_pins) {
s->cfg->ops->init_pins(port, cflag);
return;
}
}
#elif defined(CONFIG_CPU_SH3)
/* For SH7705, SH7706, SH7707, SH7709, SH7709A, SH7729 */
static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
{
unsigned short data;
/* We need to set SCPCR to enable RTS/CTS */
data = __raw_readw(SCPCR);
/* Clear out SCP7MD1,0, SCP6MD1,0, SCP4MD1,0*/
__raw_writew(data & 0x0fcf, SCPCR);
/*
* For the generic path SCSPTR is necessary. Bail out if that's
* unavailable, too.
*/
if (!reg->size)
return;
if (!(cflag & CRTSCTS)) {
/* We need to set SCPCR to enable RTS/CTS */
data = __raw_readw(SCPCR);
/* Clear out SCP7MD1,0, SCP4MD1,0,
Set SCP6MD1,0 = {01} (output) */
__raw_writew((data & 0x0fcf) | 0x1000, SCPCR);
data = __raw_readb(SCPDR);
/* Set /RTS2 (bit6) = 0 */
__raw_writeb(data & 0xbf, SCPDR);
}
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
{
unsigned short data;
if (port->mapbase == 0xffe00000) {
data = __raw_readw(PSCR);
data &= ~0x03cf;
if (!(cflag & CRTSCTS))
data |= 0x0340;
__raw_writew(data, PSCR);
}
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7757) || \
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)
{
if (!(cflag & CRTSCTS))
__raw_writew(0x0080, SCSPTR0); /* Set RTS = 1 */
sci_out(port, SCSPTR, 0x0080); /* Set RTS = 1 */
}
#elif defined(CONFIG_CPU_SH4) && !defined(CONFIG_CPU_SH4A)
static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
{
if (!(cflag & CRTSCTS))
__raw_writew(0x0080, SCSPTR2); /* Set RTS = 1 */
}
#else
static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
{
/* Nothing to do */
}
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
defined(CONFIG_CPU_SUBTYPE_SH7785) || \
defined(CONFIG_CPU_SUBTYPE_SH7786)
static int scif_txfill(struct uart_port *port)
{
return sci_in(port, SCTFDR) & 0xff;
}
static int scif_txroom(struct uart_port *port)
{
return SCIF_TXROOM_MAX - scif_txfill(port);
}
static int scif_rxfill(struct uart_port *port)
{
return sci_in(port, SCRFDR) & 0xff;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
static int scif_txfill(struct uart_port *port)
{
if (port->mapbase == 0xffe00000 ||
port->mapbase == 0xffe08000)
/* SCIF0/1*/
return sci_in(port, SCTFDR) & 0xff;
else
/* SCIF2 */
return sci_in(port, SCFDR) >> 8;
}
static int scif_txroom(struct uart_port *port)
{
if (port->mapbase == 0xffe00000 ||
port->mapbase == 0xffe08000)
/* SCIF0/1*/
return SCIF_TXROOM_MAX - scif_txfill(port);
else
/* SCIF2 */
return SCIF2_TXROOM_MAX - scif_txfill(port);
}
static int scif_rxfill(struct uart_port *port)
{
if ((port->mapbase == 0xffe00000) ||
(port->mapbase == 0xffe08000)) {
/* SCIF0/1*/
return sci_in(port, SCRFDR) & 0xff;
} else {
/* SCIF2 */
return sci_in(port, SCFDR) & SCIF2_RFDC_MASK;
}
}
#elif defined(CONFIG_ARCH_SH7372)
static int scif_txfill(struct uart_port *port)
{
if (port->type == PORT_SCIFA)
return sci_in(port, SCFDR) >> 8;
else
return sci_in(port, SCTFDR);
}
static int scif_txroom(struct uart_port *port)
{
return port->fifosize - scif_txfill(port);
}
static int scif_rxfill(struct uart_port *port)
{
if (port->type == PORT_SCIFA)
return sci_in(port, SCFDR) & SCIF_RFDC_MASK;
else
return sci_in(port, SCRFDR);
}
#else
static int scif_txfill(struct uart_port *port)
{
return sci_in(port, SCFDR) >> 8;
}
static int scif_txroom(struct uart_port *port)
{
return SCIF_TXROOM_MAX - scif_txfill(port);
}
static int scif_rxfill(struct uart_port *port)
{
return sci_in(port, SCFDR) & SCIF_RFDC_MASK;
}
#endif
static int sci_txfill(struct uart_port *port)
{
struct plat_sci_reg *reg;
reg = sci_getreg(port, SCTFDR);
if (reg->size)
return sci_in(port, SCTFDR) & 0xff;
reg = sci_getreg(port, SCFDR);
if (reg->size)
return sci_in(port, SCFDR) >> 8;
return !(sci_in(port, SCxSR) & SCI_TDRE);
}
static int sci_txroom(struct uart_port *port)
{
return !sci_txfill(port);
return port->fifosize - sci_txfill(port);
}
static int sci_rxfill(struct uart_port *port)
{
struct plat_sci_reg *reg;
reg = sci_getreg(port, SCRFDR);
if (reg->size)
return sci_in(port, SCRFDR) & 0xff;
reg = sci_getreg(port, SCFDR);
if (reg->size)
return sci_in(port, SCFDR) & ((port->fifosize << 1) - 1);
return (sci_in(port, SCxSR) & SCxSR_RDxF(port)) != 0;
}
/*
* SCI helper for checking the state of the muxed port/RXD pins.
*/
static inline int sci_rxd_in(struct uart_port *port)
{
struct sci_port *s = to_sci_port(port);
if (s->cfg->port_reg <= 0)
return 1;
return !!__raw_readb(s->cfg->port_reg);
}
/* ********************************************************************** *
* the interrupt related routines *
* ********************************************************************** */
@ -406,10 +504,7 @@ static void sci_transmit_chars(struct uart_port *port)
return;
}
if (port->type == PORT_SCI)
count = sci_txroom(port);
else
count = scif_txroom(port);
count = sci_txroom(port);
do {
unsigned char c;
@ -464,13 +559,8 @@ static void sci_receive_chars(struct uart_port *port)
return;
while (1) {
if (port->type == PORT_SCI)
count = sci_rxfill(port);
else
count = scif_rxfill(port);
/* Don't copy more bytes than there is room for in the buffer */
count = tty_buffer_request_room(tty, count);
count = tty_buffer_request_room(tty, sci_rxfill(port));
/* If for any reason we can't copy more data, we're done! */
if (count == 0)
@ -583,13 +673,19 @@ static int sci_handle_errors(struct uart_port *port)
int copied = 0;
unsigned short status = sci_in(port, SCxSR);
struct tty_struct *tty = port->state->port.tty;
struct sci_port *s = to_sci_port(port);
if (status & SCxSR_ORER(port)) {
/* overrun error */
if (tty_insert_flip_char(tty, 0, TTY_OVERRUN))
copied++;
/*
* Handle overruns, if supported.
*/
if (s->cfg->overrun_bit != SCIx_NOT_SUPPORTED) {
if (status & (1 << s->cfg->overrun_bit)) {
/* overrun error */
if (tty_insert_flip_char(tty, 0, TTY_OVERRUN))
copied++;
dev_notice(port->dev, "overrun error");
dev_notice(port->dev, "overrun error");
}
}
if (status & SCxSR_FER(port)) {
@ -637,12 +733,15 @@ static int sci_handle_errors(struct uart_port *port)
static int sci_handle_fifo_overrun(struct uart_port *port)
{
struct tty_struct *tty = port->state->port.tty;
struct sci_port *s = to_sci_port(port);
struct plat_sci_reg *reg;
int copied = 0;
if (port->type != PORT_SCIF)
reg = sci_getreg(port, SCLSR);
if (!reg->size)
return 0;
if ((sci_in(port, SCLSR) & SCIF_ORER) != 0) {
if ((sci_in(port, SCLSR) & (1 << s->cfg->overrun_bit))) {
sci_out(port, SCLSR, 0);
tty_insert_flip_char(tty, 0, TTY_OVERRUN);
@ -915,7 +1014,7 @@ static void sci_free_irq(struct sci_port *port)
static unsigned int sci_tx_empty(struct uart_port *port)
{
unsigned short status = sci_in(port, SCxSR);
unsigned short in_tx_fifo = scif_txfill(port);
unsigned short in_tx_fifo = sci_txfill(port);
return (status & SCxSR_TEND(port)) && !in_tx_fifo ? TIOCSER_TEMT : 0;
}
@ -1746,6 +1845,9 @@ static int __devinit sci_init_single(struct platform_device *dev,
break;
}
if (p->regtype == SCIx_PROBE_REGTYPE)
BUG_ON(sci_probe_regmap(p) != 0);
if (dev) {
sci_port->iclk = clk_get(&dev->dev, "sci_ick");
if (IS_ERR(sci_port->iclk)) {
@ -1775,14 +1877,41 @@ static int __devinit sci_init_single(struct platform_device *dev,
sci_port->break_timer.function = sci_break_timer;
init_timer(&sci_port->break_timer);
/*
* Establish some sensible defaults for the error detection.
*/
if (!p->error_mask)
p->error_mask = (p->type == PORT_SCI) ?
SCI_DEFAULT_ERROR_MASK : SCIF_DEFAULT_ERROR_MASK;
/*
* Establish sensible defaults for the overrun detection, unless
* the part has explicitly disabled support for it.
*/
if (p->overrun_bit != SCIx_NOT_SUPPORTED) {
if (p->type == PORT_SCI)
p->overrun_bit = 5;
else if (p->scbrr_algo_id == SCBRR_ALGO_4)
p->overrun_bit = 9;
else
p->overrun_bit = 0;
/*
* Make the error mask inclusive of overrun detection, if
* supported.
*/
p->error_mask |= (1 << p->overrun_bit);
}
sci_port->cfg = p;
port->mapbase = p->mapbase;
port->type = p->type;
port->flags = p->flags;
port->regshift = p->regshift;
/*
* The UART port needs an IRQ value, so we peg this to the TX IRQ
* The UART port needs an IRQ value, so we peg this to the RX IRQ
* for the multi-IRQ ports, which is where we are primarily
* concerned with the shutdown path synchronization.
*
@ -1790,6 +1919,9 @@ static int __devinit sci_init_single(struct platform_device *dev,
*/
port->irq = p->irqs[SCIx_RXI_IRQ];
port->serial_in = sci_serial_in;
port->serial_out = sci_serial_out;
if (p->dma_dev)
dev_dbg(port->dev, "DMA device %p, tx %d, rx %d\n",
p->dma_dev, p->dma_slave_tx, p->dma_slave_rx);
@ -1863,14 +1995,8 @@ static int __devinit serial_console_setup(struct console *co, char *options)
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
ret = uart_set_options(port, co, baud, parity, bits, flow);
#if defined(__H8300H__) || defined(__H8300S__)
/* disable rx interrupt */
if (ret == 0)
sci_stop_rx(port);
#endif
/* TODO: disable clock */
return ret;
return uart_set_options(port, co, baud, parity, bits, flow);
}
static struct console serial_console = {

View file

@ -2,169 +2,14 @@
#include <linux/io.h>
#include <linux/gpio.h>
#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_SUBTYPE_SH7706) || \
defined(CONFIG_CPU_SUBTYPE_SH7707) || \
defined(CONFIG_CPU_SUBTYPE_SH7708) || \
defined(CONFIG_CPU_SUBTYPE_SH7709)
# define SCPCR 0xA4000116 /* 16 bit SCI and SCIF */
# define SCPDR 0xA4000136 /* 8 bit SCI and SCIF */
#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
# define SCIF0 0xA4400000
# define SCIF2 0xA4410000
# define SCPCR 0xA4000116
# define SCPDR 0xA4000136
#elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \
defined(CONFIG_CPU_SUBTYPE_SH7721) || \
defined(CONFIG_ARCH_SH73A0) || \
defined(CONFIG_ARCH_SH7367) || \
defined(CONFIG_ARCH_SH7377) || \
defined(CONFIG_ARCH_SH7372)
# 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 */
#elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \
defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
defined(CONFIG_CPU_SUBTYPE_SH7091) || \
defined(CONFIG_CPU_SUBTYPE_SH7751) || \
defined(CONFIG_CPU_SUBTYPE_SH7751R)
# define SCSPTR1 0xffe0001c /* 8 bit SCI */
# define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_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 */
#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
# define SCSPTR0 0xA4400000 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
# define PACR 0xa4050100
# define PBCR 0xa4050102
#elif defined(CONFIG_CPU_SUBTYPE_SH7343)
# define SCSPTR0 0xffe00010 /* 16 bit SCIF */
#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
# define PADR 0xA4050120
# define PSDR 0xA405013e
# define PWDR 0xA4050166
# define PSCR 0xA405011E
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SH7366)
# define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */
# define SCSPTR0 SCPDR0
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
# define SCSPTR0 0xa4050160
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SH7724)
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
# define SCSPTR2 0xffe80020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_H83007) || defined(CONFIG_H83068)
# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
#elif defined(CONFIG_H8S2678)
# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
# define SCSPTR0 0xfe4b0020
# define SCIF_ORER 0x0001
#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SH7770)
# define SCSPTR0 0xff923020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* Overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
defined(CONFIG_CPU_SUBTYPE_SH7786)
# define SCSPTR0 0xffea0024 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* Overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \
defined(CONFIG_CPU_SUBTYPE_SH7203) || \
defined(CONFIG_CPU_SUBTYPE_SH7206) || \
defined(CONFIG_CPU_SUBTYPE_SH7263)
# define SCSPTR0 0xfffe8020 /* 16 bit SCIF */
#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
# define SCSPTR0 0xf8400020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
#elif defined(CONFIG_CPU_SUBTYPE_SHX3)
# define SCSPTR0 0xffc30020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* Overrun error bit */
#else
# error CPU subtype not defined
#endif
/* 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_SUBTYPE_SH7705) || \
defined(CONFIG_CPU_SUBTYPE_SH7720) || \
defined(CONFIG_CPU_SUBTYPE_SH7721) || \
defined(CONFIG_ARCH_SH73A0) || \
defined(CONFIG_ARCH_SH7367) || \
defined(CONFIG_ARCH_SH7377) || \
defined(CONFIG_ARCH_SH7372)
# 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_SUBTYPE_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)
#define SCxSR_ERRORS(port) (to_sci_port(port)->cfg->error_mask)
#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
defined(CONFIG_CPU_SUBTYPE_SH7720) || \
@ -191,278 +36,3 @@
#define SCI_MAJOR 204
#define SCI_MINOR_START 8
#define SCI_IN(size, offset) \
if ((size) == 8) { \
return ioread8(port->membase + (offset)); \
} else { \
return ioread16(port->membase + (offset)); \
}
#define SCI_OUT(size, offset, value) \
if ((size) == 8) { \
iowrite8(value, port->membase + (offset)); \
} else if ((size) == 16) { \
iowrite16(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_CPU_SH3) || \
defined(CONFIG_ARCH_SH73A0) || \
defined(CONFIG_ARCH_SH7367) || \
defined(CONFIG_ARCH_SH7377) || \
defined(CONFIG_ARCH_SH7372)
#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_SH7705) || \
defined(CONFIG_CPU_SUBTYPE_SH7720) || \
defined(CONFIG_CPU_SUBTYPE_SH7721) || \
defined(CONFIG_ARCH_SH7367)
#define SCIF_FNS(name, scif_offset, scif_size) \
CPU_SCIF_FNS(name, scif_offset, scif_size)
#elif defined(CONFIG_ARCH_SH7377) || \
defined(CONFIG_ARCH_SH7372) || \
defined(CONFIG_ARCH_SH73A0)
#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_SUBTYPE_SH7723) ||\
defined(CONFIG_CPU_SUBTYPE_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_SUBTYPE_SH7705) || \
defined(CONFIG_CPU_SUBTYPE_SH7720) || \
defined(CONFIG_CPU_SUBTYPE_SH7721) || \
defined(CONFIG_ARCH_SH7367)
SCIF_FNS(SCSMR, 0x00, 16)
SCIF_FNS(SCBRR, 0x04, 8)
SCIF_FNS(SCSCR, 0x08, 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_SH7377) || \
defined(CONFIG_ARCH_SH7372) || \
defined(CONFIG_ARCH_SH73A0)
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_SUBTYPE_SH7723) ||\
defined(CONFIG_CPU_SUBTYPE_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(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_SUBTYPE_SH7760) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
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)
SCIF_FNS(SCSPTR, 0, 0, 0x24, 16)
SCIF_FNS(SCLSR, 0, 0, 0x28, 16)
#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
SCIF_FNS(SCFDR, 0, 0, 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)
#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
#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_SUBTYPE_SH7706) || \
defined(CONFIG_CPU_SUBTYPE_SH7707) || \
defined(CONFIG_CPU_SUBTYPE_SH7708) || \
defined(CONFIG_CPU_SUBTYPE_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_SUBTYPE_SH7750) || \
defined(CONFIG_CPU_SUBTYPE_SH7751) || \
defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
defined(CONFIG_CPU_SUBTYPE_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

View file

@ -8,6 +8,8 @@
* Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
*/
#define SCIx_NOT_SUPPORTED (-1)
enum {
SCBRR_ALGO_1, /* ((clk + 16 * bps) / (16 * bps) - 1) */
SCBRR_ALGO_2, /* ((clk + 16 * bps) / (32 * bps) - 1) */
@ -25,6 +27,28 @@ enum {
#define SCSCR_CKE1 (1 << 1)
#define SCSCR_CKE0 (1 << 0)
/* SCxSR SCI */
#define SCI_TDRE 0x80
#define SCI_RDRF 0x40
#define SCI_ORER 0x20
#define SCI_FER 0x10
#define SCI_PER 0x08
#define SCI_TEND 0x04
#define SCI_DEFAULT_ERROR_MASK (SCI_PER | SCI_FER)
/* SCxSR SCIF */
#define SCIF_ER 0x0080
#define SCIF_TEND 0x0040
#define SCIF_TDFE 0x0020
#define SCIF_BRK 0x0010
#define SCIF_FER 0x0008
#define SCIF_PER 0x0004
#define SCIF_RDF 0x0002
#define SCIF_DR 0x0001
#define SCIF_DEFAULT_ERROR_MASK (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
/* Offsets into the sci_port->irqs array */
enum {
SCIx_ERI_IRQ,
@ -34,6 +58,22 @@ enum {
SCIx_NR_IRQS,
};
enum {
SCIx_PROBE_REGTYPE,
SCIx_SCI_REGTYPE,
SCIx_IRDA_REGTYPE,
SCIx_SCIFA_REGTYPE,
SCIx_SCIFB_REGTYPE,
SCIx_SH3_SCIF_REGTYPE,
SCIx_SH4_SCIF_REGTYPE,
SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
SCIx_SH4_SCIF_FIFODATA_REGTYPE,
SCIx_SH7705_SCIF_REGTYPE,
SCIx_NR_REGTYPES,
};
#define SCIx_IRQ_MUXED(irq) \
{ \
[SCIx_ERI_IRQ] = (irq), \
@ -42,8 +82,24 @@ enum {
[SCIx_BRI_IRQ] = (irq), \
}
/*
* SCI register subset common for all port types.
* Not all registers will exist on all parts.
*/
enum {
SCSMR, SCBRR, SCSCR, SCxSR,
SCFCR, SCFDR, SCxTDR, SCxRDR,
SCLSR, SCTFDR, SCRFDR, SCSPTR,
SCIx_NR_REGS,
};
struct device;
struct plat_sci_port_ops {
void (*init_pins)(struct uart_port *, unsigned int cflag);
};
/*
* Platform device specific platform_data struct
*/
@ -56,6 +112,18 @@ struct plat_sci_port {
unsigned int scbrr_algo_id; /* SCBRR calculation algo */
unsigned int scscr; /* SCSCR initialization */
/*
* Platform overrides if necessary, defaults otherwise.
*/
int overrun_bit;
unsigned int error_mask;
int port_reg;
unsigned char regshift;
unsigned char regtype;
struct plat_sci_port_ops *ops;
struct device *dma_dev;
unsigned int dma_slave_tx;