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Commit b7a76e4b authored by Paul Mundt's avatar Paul Mundt Committed by Linus Torvalds
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[PATCH] sh: sh-sci clock framework updates 

A couple of updates for the sh-sci serial driver:

	- Update for clock framework on sh.
	- Fix a compile error introduced by some h8300 changes.
	- Add SH7770/SH7780 subtype support.
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 37cc7943
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Showing with 223 additions and 116 deletions
drivers/serial/sh-sci.c
View file @ b7a76e4b
......@@ -42,6 +42,7 @@
#include <linux/delay.h>
#include <linux/console.h>
#include <linux/bitops.h>
#include <linux/generic_serial.h>
#ifdef CONFIG_CPU_FREQ
#include <linux/notifier.h>
......@@ -53,7 +54,9 @@
#include <asm/irq.h>
#include <asm/uaccess.h>
#include <linux/generic_serial.h>
#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
#include <asm/clock.h>
#endif
#ifdef CONFIG_SH_STANDARD_BIOS
#include <asm/sh_bios.h>
......@@ -86,9 +89,11 @@ static void sci_stop_rx(struct uart_port *port);
static int sci_request_irq(struct sci_port *port);
static void sci_free_irq(struct sci_port *port);
static struct sci_port sci_ports[SCI_NPORTS];
static struct sci_port sci_ports[];
static struct uart_driver sci_uart_driver;
#define SCI_NPORTS sci_uart_driver.nr
#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
static void handle_error(struct uart_port *port)
......@@ -168,7 +173,7 @@ static void put_string(struct sci_port *sci_port, const char *buffer, int count)
int usegdb=0;
#ifdef CONFIG_SH_STANDARD_BIOS
/* This call only does a trap the first time it is
/* This call only does a trap the first time it is
* called, and so is safe to do here unconditionally
*/
usegdb |= sh_bios_in_gdb_mode();
......@@ -324,47 +329,46 @@ static void sci_init_pins_sci(struct uart_port* port, unsigned int cflag)
/* tx mark output*/
H8300_SCI_DR(ch) |= h8300_sci_pins[ch].tx;
}
#else
static void sci_init_pins_sci(struct uart_port *port, unsigned int cflag)
{
}
#endif
#endif
#if defined(SCIF_ONLY) || defined(SCI_AND_SCIF)
#if defined(CONFIG_CPU_SH3)
/* For SH7705, SH7707, SH7709, SH7709A, SH7729, SH7300*/
#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_SH3)
/* For SH7705, SH7707, SH7709, SH7709A, SH7729 */
static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
{
unsigned int fcr_val = 0;
#if !defined(CONFIG_CPU_SUBTYPE_SH7300) /* SH7300 doesn't use RTS/CTS */
{
unsigned short data;
unsigned short data;
/* We need to set SCPCR to enable RTS/CTS */
data = ctrl_inw(SCPCR);
/* Clear out SCP7MD1,0, SCP6MD1,0, SCP4MD1,0*/
ctrl_outw(data & 0x0fcf, SCPCR);
/* We need to set SCPCR to enable RTS/CTS */
data = ctrl_inw(SCPCR);
/* Clear out SCP7MD1,0, SCP6MD1,0, SCP4MD1,0*/
ctrl_outw(data&0x0fcf, SCPCR);
}
if (cflag & CRTSCTS)
fcr_val |= SCFCR_MCE;
else {
unsigned short data;
/* We need to set SCPCR to enable RTS/CTS */
data = ctrl_inw(SCPCR);
/* Clear out SCP7MD1,0, SCP4MD1,0,
Set SCP6MD1,0 = {01} (output) */
ctrl_outw((data&0x0fcf)|0x1000, SCPCR);
ctrl_outw((data & 0x0fcf) | 0x1000, SCPCR);
data = ctrl_inb(SCPDR);
/* Set /RTS2 (bit6) = 0 */
ctrl_outb(data&0xbf, SCPDR);
ctrl_outb(data & 0xbf, SCPDR);
}
#endif
sci_out(port, SCFCR, fcr_val);
}
#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709)
static void sci_init_pins_irda(struct uart_port *port, unsigned int cflag)
{
unsigned int fcr_val = 0;
......@@ -374,7 +378,7 @@ static void sci_init_pins_irda(struct uart_port *port, unsigned int cflag)
sci_out(port, SCFCR, fcr_val);
}
#endif
#else
/* For SH7750 */
......@@ -385,7 +389,11 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
if (cflag & CRTSCTS) {
fcr_val |= SCFCR_MCE;
} else {
#ifdef CONFIG_CPU_SUBTYPE_SH7780
ctrl_outw(0x0080, SCSPTR0); /* Set RTS = 1 */
#else
ctrl_outw(0x0080, SCSPTR2); /* Set RTS = 1 */
#endif
}
sci_out(port, SCFCR, fcr_val);
}
......@@ -422,7 +430,11 @@ static void sci_transmit_chars(struct uart_port *port)
#if !defined(SCI_ONLY)
if (port->type == PORT_SCIF) {
#if defined(CONFIG_CPU_SUBTYPE_SH7760) || defined(CONFIG_CPU_SUBTYPE_SH7780)
txroom = SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0x7f);
#else
txroom = SCIF_TXROOM_MAX - (sci_in(port, SCFDR)>>8);
#endif
} else {
txroom = (sci_in(port, SCxSR) & SCI_TDRE)?1:0;
}
......@@ -491,7 +503,11 @@ static inline void sci_receive_chars(struct uart_port *port,
while (1) {
#if !defined(SCI_ONLY)
if (port->type == PORT_SCIF) {
#if defined(CONFIG_CPU_SUBTYPE_SH7760) || defined(CONFIG_CPU_SUBTYPE_SH7780)
count = sci_in(port, SCRFDR) & 0x7f;
#else
count = sci_in(port, SCFDR)&SCIF_RFDC_MASK ;
#endif
} else {
count = (sci_in(port, SCxSR)&SCxSR_RDxF(port))?1:0;
}
......@@ -652,7 +668,7 @@ static inline int sci_handle_breaks(struct uart_port *port)
struct tty_struct *tty = port->info->tty;
struct sci_port *s = &sci_ports[port->line];
if (!s->break_flag && status & SCxSR_BRK(port))
if (!s->break_flag && status & SCxSR_BRK(port)) {
#if defined(CONFIG_CPU_SH3)
/* Debounce break */
s->break_flag = 1;
......@@ -783,6 +799,7 @@ static int sci_notifier(struct notifier_block *self, unsigned long phase, void *
(phase == CPUFREQ_RESUMECHANGE)){
for (i = 0; i < SCI_NPORTS; i++) {
struct uart_port *port = &sci_ports[i].port;
struct clk *clk;
/*
* Update the uartclk per-port if frequency has
......@@ -795,7 +812,9 @@ static int sci_notifier(struct notifier_block *self, unsigned long phase, void *
*
* Clean this up later..
*/
port->uartclk = current_cpu_data.module_clock * 16;
clk = clk_get("module_clk");
port->uartclk = clk_get_rate(clk) * 16;
clk_put(clk);
}
printk("%s: got a postchange notification for cpu %d (old %d, new %d)\n",
......@@ -1008,15 +1027,20 @@ static void sci_set_termios(struct uart_port *port, struct termios *termios,
sci_out(port, SCSMR, smr_val);
switch (baud) {
case 0: t = -1; break;
case 2400: t = BPS_2400; break;
case 4800: t = BPS_4800; break;
case 9600: t = BPS_9600; break;
case 19200: t = BPS_19200; break;
case 38400: t = BPS_38400; break;
case 57600: t = BPS_57600; break;
case 115200: t = BPS_115200; break;
default: t = SCBRR_VALUE(baud); break;
case 0:
t = -1;
break;
default:
{
#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
struct clk *clk = clk_get("module_clk");
t = SCBRR_VALUE(baud, clk_get_rate(clk));
clk_put(clk);
#else
t = SCBRR_VALUE(baud);
#endif
}
break;
}
if (t > 0) {
......@@ -1030,7 +1054,9 @@ static void sci_set_termios(struct uart_port *port, struct termios *termios,
udelay((1000000+(baud-1)) / baud); /* Wait one bit interval */
}
s->init_pins(port, termios->c_cflag);
if (likely(s->init_pins))
s->init_pins(port, termios->c_cflag);
sci_out(port, SCSCR, SCSCR_INIT(port));
if ((termios->c_cflag & CREAD) != 0)
......@@ -1107,7 +1133,7 @@ static struct uart_ops sci_uart_ops = {
.verify_port = sci_verify_port,
};
static struct sci_port sci_ports[SCI_NPORTS] = {
static struct sci_port sci_ports[] = {
#if defined(CONFIG_CPU_SUBTYPE_SH7708)
{
.port = {
......@@ -1121,7 +1147,6 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
},
.type = PORT_SCI,
.irqs = SCI_IRQS,
.init_pins = sci_init_pins_sci,
},
#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
{
......@@ -1165,7 +1190,6 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
},
.type = PORT_SCI,
.irqs = SCI_IRQS,
.init_pins = sci_init_pins_sci,
},
{
.port = {
......@@ -1225,7 +1249,7 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.irqs = SH73180_SCIF_IRQS,
.init_pins = sci_init_pins_scif,
},
#elif defined(CONFIG_SH_RTS7751R2D)
#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
{
.port = {
.membase = (void *)0xffe80000,
......@@ -1253,7 +1277,6 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
},
.type = PORT_SCI,
.irqs = SCI_IRQS,
.init_pins = sci_init_pins_sci,
},
{
.port = {
......@@ -1312,21 +1335,6 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.irqs = SH7760_SCIF2_IRQS,
.init_pins = sci_init_pins_scif,
},
#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
{
.port = {
.membase = (void *)0xffe80000,
.mapbase = 0xffe80000,
.iotype = UPIO_MEM,
.irq = 43,
.ops = &sci_uart_ops,
.flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
.irqs = SH4_SCIF_IRQS,
.init_pins = sci_init_pins_scif,
},
#elif defined(CONFIG_CPU_SUBTYPE_ST40STB1)
{
.port = {
......@@ -1455,6 +1463,78 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.irqs = H8S_SCI_IRQS2,
.init_pins = sci_init_pins_sci,
},
#elif defined(CONFIG_CPU_SUBTYPE_SH7770)
{
.port = {
.membase = (void *)0xff923000,
.mapbase = 0xff923000,
.iotype = SERIAL_IO_MEM,
.irq = 61,
.ops = &sci_uart_ops,
.flags = ASYNC_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
.irqs = SH7770_SCIF0_IRQS,
.init_pins = sci_init_pins_scif,
},
{
.port = {
.membase = (void *)0xff924000,
.mapbase = 0xff924000,
.iotype = SERIAL_IO_MEM,
.irq = 62,
.ops = &sci_uart_ops,
.flags = ASYNC_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCIF,
.irqs = SH7770_SCIF1_IRQS,
.init_pins = sci_init_pins_scif,
},
{
.port = {
.membase = (void *)0xff925000,
.mapbase = 0xff925000,
.iotype = SERIAL_IO_MEM,
.irq = 63,
.ops = &sci_uart_ops,
.flags = ASYNC_BOOT_AUTOCONF,
.line = 2,
},
.type = PORT_SCIF,
.irqs = SH7770_SCIF2_IRQS,
.init_pins = sci_init_pins_scif,
},
#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
{
.port = {
.membase = (void *)0xffe00000,
.mapbase = 0xffe00000,
.iotype = SERIAL_IO_MEM,
.irq = 43,
.ops = &sci_uart_ops,
.flags = ASYNC_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
.irqs = SH7780_SCIF0_IRQS,
.init_pins = sci_init_pins_scif,
},
{
.port = {
.membase = (void *)0xffe10000,
.mapbase = 0xffe10000,
.iotype = SERIAL_IO_MEM,
.irq = 79,
.ops = &sci_uart_ops,
.flags = ASYNC_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCIF,
.irqs = SH7780_SCIF1_IRQS,
.init_pins = sci_init_pins_scif,
},
#else
#error "CPU subtype not defined"
#endif
......@@ -1480,9 +1560,6 @@ static int __init serial_console_setup(struct console *co, char *options)
int flow = 'n';
int ret;
if (co->index >= SCI_NPORTS)
co->index = 0;
serial_console_port = &sci_ports[co->index];
port = &serial_console_port->port;
port->type = serial_console_port->type;
......@@ -1496,13 +1573,20 @@ static int __init serial_console_setup(struct console *co, char *options)
* We need to set the initial uartclk here, since otherwise it will
* only ever be setup at sci_init() time.
*/
#if !defined(__H8300H__) && !defined(__H8300S__)
port->uartclk = current_cpu_data.module_clock * 16;
#else
#if defined(__H8300H__) || defined(__H8300S__)
port->uartclk = CONFIG_CPU_CLOCK;
#endif
#if defined(__H8300S__)
h8300_sci_enable(port, sci_enable);
#endif
#elif defined(CONFIG_SUPERH64)
port->uartclk = current_cpu_info.module_clock * 16;
#else
{
struct clk *clk = clk_get("module_clk");
port->uartclk = clk_get_rate(clk) * 16;
clk_put(clk);
}
#endif
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
......@@ -1566,7 +1650,7 @@ int __init kgdb_console_setup(struct console *co, char *options)
int parity = 'n';
int flow = 'n';
if (co->index >= SCI_NPORTS || co->index != kgdb_portnum)
if (co->index != kgdb_portnum)
co->index = kgdb_portnum;
if (options)
......@@ -1606,7 +1690,7 @@ console_initcall(kgdb_console_init);
#elif defined(CONFIG_SERIAL_SH_SCI_CONSOLE)
#define SCI_CONSOLE &serial_console
#else
#define SCI_CONSOLE 0
#define SCI_CONSOLE 0
#endif
static char banner[] __initdata =
......@@ -1621,7 +1705,6 @@ static struct uart_driver sci_uart_driver = {
.dev_name = "ttySC",
.major = SCI_MAJOR,
.minor = SCI_MINOR_START,
.nr = SCI_NPORTS,
.cons = SCI_CONSOLE,
};
......@@ -1631,15 +1714,21 @@ static int __init sci_init(void)
printk("%s", banner);
sci_uart_driver.nr = ARRAY_SIZE(sci_ports);
ret = uart_register_driver(&sci_uart_driver);
if (ret == 0) {
for (chan = 0; chan < SCI_NPORTS; chan++) {
struct sci_port *sciport = &sci_ports[chan];
#if !defined(__H8300H__) && !defined(__H8300S__)
sciport->port.uartclk = (current_cpu_data.module_clock * 16);
#else
#if defined(__H8300H__) || defined(__H8300S__)
sciport->port.uartclk = CONFIG_CPU_CLOCK;
#elif defined(CONFIG_SUPERH64)
sciport->port.uartclk = current_cpu_info.module_clock * 16;
#else
struct clk *clk = clk_get("module_clk");
sciport->port.uartclk = clk_get_rate(clk) * 16;
clk_put(clk);
#endif
uart_add_one_port(&sci_uart_driver, &sciport->port);
sciport->break_timer.data = (unsigned long)sciport;
......
drivers/serial/sh-sci.h
View file @ b7a76e4b
......@@ -46,14 +46,17 @@
#define H8S_SCI_IRQS1 {92, 93, 94, 0 }
#define H8S_SCI_IRQS2 {96, 97, 98, 0 }
#define SH5_SCIF_IRQS {39, 40, 42, 0 }
#define SH7770_SCIF0_IRQS {61, 61, 61, 61 }
#define SH7770_SCIF1_IRQS {62, 62, 62, 62 }
#define SH7770_SCIF2_IRQS {63, 63, 63, 63 }
#define SH7780_SCIF0_IRQS {40, 41, 43, 42 }
#define SH7780_SCIF1_IRQS {76, 77, 79, 78 }
#if defined(CONFIG_CPU_SUBTYPE_SH7708)
# define SCI_NPORTS 1
# define SCSPTR 0xffffff7c /* 8 bit */
# define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
# define SCI_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709)
# define SCI_NPORTS 3
# define SCPCR 0xA4000116 /* 16 bit SCI and SCIF */
# define SCPDR 0xA4000136 /* 8 bit SCI and SCIF */
# define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
......@@ -61,9 +64,8 @@
#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
# define SCIF0 0xA4400000
# define SCIF2 0xA4410000
# define SCSMR_Ir 0xA44A0000
# define IRDA_SCIF SCIF0
# define SCI_NPORTS 2
# define SCSMR_Ir 0xA44A0000
# define IRDA_SCIF SCIF0
# define SCPCR 0xA4000116
# define SCPDR 0xA4000136
......@@ -74,14 +76,11 @@
# define SCSCR_INIT(port) (port->mapbase == SCIF2) ? 0xF3 : 0xF0
# define SCIF_ONLY
#elif defined(CONFIG_SH_RTS7751R2D)
# define SCI_NPORTS 1
# define SCSPTR1 0xffe0001c /* 8 bit SCI */
# define SCSPTR2 0xFFE80020 /* 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 */
# define SCIF_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_SH7750) || defined(CONFIG_CPU_SUBTYPE_SH7751)
# define SCI_NPORTS 2
# define SCSPTR1 0xffe0001c /* 8 bit SCI */
# define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
......@@ -90,34 +89,29 @@
0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ )
# define SCI_AND_SCIF
#elif defined(CONFIG_CPU_SUBTYPE_SH7760)
# define SCI_NPORTS 3
# define SCSPTR0 0xfe600000 /* 16 bit SCIF */
# define SCSPTR1 0xfe610000 /* 16 bit SCIF */
# define SCSPTR2 0xfe620000 /* 16 bit SCIF */
# 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 */
# define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
# define SCIF_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_SH7300)
# define SCI_NPORTS 1
# define SCPCR 0xA4050116 /* 16 bit SCIF */
# 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_SH73180)
# define SCI_NPORTS 1
# define SCPDR 0xA4050138 /* 16 bit SCIF */
# define SCSPTR2 SCPDR
# define SCIF_ORER 0x0001 /* overrun error bit */
# define SCSCR_INIT(port) 0x0038 /* TIE=0,RIE=0,TE=1,RE=1 */
# define SCIF_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
# define SCI_NPORTS 1
# define SCSPTR2 0xffe80020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
# define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
# define SCIF_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_ST40STB1)
# define SCI_NPORTS 2
# define SCSPTR1 0xffe00020 /* 16 bit SCIF */
# define SCSPTR2 0xffe80020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
......@@ -129,26 +123,32 @@
# define SCIF_ADDR_SH5 PHYS_PERIPHERAL_BLOCK+SCIF_BASE_ADDR
# define SCIF_PTR2_OFFS 0x0000020
# define SCIF_LSR2_OFFS 0x0000024
# define SCI_NPORTS 1
# define SCI_INIT { \
{ {}, PORT_SCIF, 0, \
SH5_SCIF_IRQS, sci_init_pins_scif } \
}
# define SCSPTR2 ((port->mapbase)+SCIF_PTR2_OFFS) /* 16 bit SCIF */
# define SCLSR2 ((port->mapbase)+SCIF_LSR2_OFFS) /* 16 bit SCIF */
# define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,
TE=1,RE=1,REIE=1 */
# define SCIF_ONLY
#elif defined(CONFIG_H83007) || defined(CONFIG_H83068)
# define SCI_NPORTS 3
# define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
# define SCI_ONLY
# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
#elif defined(CONFIG_H8S2678)
# define SCI_NPORTS 3
# define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
# define SCI_ONLY
# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
#elif defined(CONFIG_CPU_SUBTYPE_SH7770)
# define SCSPTR0 0xff923020 /* 16 bit SCIF */
# define SCSPTR1 0xff924020 /* 16 bit SCIF */
# define SCSPTR2 0xff925020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* overrun error bit */
# define SCSCR_INIT(port) 0x3c /* TIE=0,RIE=0,TE=1,RE=1,REIE=1,cke=2 */
# define SCIF_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
# define SCSPTR1 0xffe10024 /* 16 bit SCIF */
# define SCIF_OPER 0x0001 /* Overrun error bit */
# define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
# define SCIF_ONLY
#else
# error CPU subtype not defined
#endif
......@@ -158,7 +158,7 @@
#define SCI_CTRL_FLAGS_RIE 0x40 /* all */
#define SCI_CTRL_FLAGS_TE 0x20 /* all */
#define SCI_CTRL_FLAGS_RE 0x10 /* all */
#if defined(CONFIG_CPU_SUBTYPE_SH7750) || defined(CONFIG_CPU_SUBTYPE_SH7751)
#if defined(CONFIG_CPU_SUBTYPE_SH7750) || defined(CONFIG_CPU_SUBTYPE_SH7751) || defined(CONFIG_CPU_SUBTYPE_SH7780)
#define SCI_CTRL_FLAGS_REIE 0x08 /* 7750 SCIF */
#else
#define SCI_CTRL_FLAGS_REIE 0
......@@ -213,7 +213,7 @@
# define SCxSR_RDxF_CLEAR(port) 0xbc
# define SCxSR_ERROR_CLEAR(port) 0xc4
# define SCxSR_TDxE_CLEAR(port) 0x78
# define SCxSR_BREAK_CLEAR(port) 0xc4
# define SCxSR_BREAK_CLEAR(port) 0xc4
#elif defined(SCIF_ONLY)
# define SCxSR_TEND(port) SCIF_TEND
# define SCxSR_ERRORS(port) SCIF_ERRORS
......@@ -237,7 +237,7 @@
# define SCxSR_RDxF_CLEAR(port) 0x00fc
# define SCxSR_ERROR_CLEAR(port) 0x0073
# define SCxSR_TDxE_CLEAR(port) 0x00df
# define SCxSR_BREAK_CLEAR(port) 0x00e3
# define SCxSR_BREAK_CLEAR(port) 0x00e3
#endif
#else
# define SCxSR_TEND(port) (((port)->type == PORT_SCI) ? SCI_TEND : SCIF_TEND)
......@@ -285,14 +285,14 @@ struct sci_port {
#define SCI_IN(size, offset) \
unsigned int addr = port->mapbase + (offset); \
if ((size) == 8) { \
if ((size) == 8) { \
return ctrl_inb(addr); \
} else { \
} else { \
return ctrl_inw(addr); \
}
#define SCI_OUT(size, offset, value) \
unsigned int addr = port->mapbase + (offset); \
if ((size) == 8) { \
if ((size) == 8) { \
ctrl_outb(value, addr); \
} else { \
ctrl_outw(value, addr); \
......@@ -301,10 +301,10 @@ struct sci_port {
#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_SCI) { \
if (port->type == PORT_SCI) { \
SCI_IN(sci_size, sci_offset) \
} else { \
SCI_IN(scif_size, scif_offset); \
SCI_IN(scif_size, scif_offset); \
} \
} \
static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
......@@ -319,7 +319,7 @@ struct sci_port {
#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); \
SCI_IN(scif_size, scif_offset); \
} \
static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
{ \
......@@ -329,7 +329,7 @@ struct sci_port {
#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); \
SCI_IN(sci_size, sci_offset); \
} \
static inline void sci_##name##_out(struct uart_port* port, unsigned int value) \
{ \
......@@ -385,10 +385,17 @@ 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)
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)
SCIF_FNS(SCSPTR, 0, 0, 0x20, 16)
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)
......@@ -518,6 +525,24 @@ 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;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7770)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xff923000)
return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xff924000)
return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
if (port->mapbase == 0xff925000)
return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
}
#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 */
if (port->mapbase == 0xffe10000)
return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
}
#endif
/*
......@@ -552,22 +577,15 @@ static inline int sci_rxd_in(struct uart_port *port)
* -- Mitch Davis - 15 Jul 2000
*/
#define PCLK (current_cpu_data.module_clock)
#if defined(CONFIG_CPU_SUBTYPE_SH7300)
#define SCBRR_VALUE(bps) ((PCLK+16*bps)/(16*bps)-1)
#if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7780)
#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1)
#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
#define SCBRR_VALUE(bps) (((PCLK*2)+16*bps)/(32*bps)-1)
#elif !defined(__H8300H__) && !defined(__H8300S__)
#define SCBRR_VALUE(bps) ((PCLK+16*bps)/(32*bps)-1)
#else
#define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
#elif defined(__H8300H__) || defined(__H8300S__)
#define SCBRR_VALUE(bps) (((CONFIG_CPU_CLOCK*1000/32)/bps)-1)
#elif defined(CONFIG_SUPERH64)
#define SCBRR_VALUE(bps) ((current_cpu_data.module_clock+16*bps)/(32*bps)-1)
#else /* Generic SH */
#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
#endif
#define BPS_2400 SCBRR_VALUE(2400)
#define BPS_4800 SCBRR_VALUE(4800)
#define BPS_9600 SCBRR_VALUE(9600)
#define BPS_19200 SCBRR_VALUE(19200)
#define BPS_38400 SCBRR_VALUE(38400)
#define BPS_57600 SCBRR_VALUE(57600)
#define BPS_115200 SCBRR_VALUE(115200)
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