diff options
Diffstat (limited to 'drivers/serial/sh-sci.c')
| -rw-r--r-- | drivers/serial/sh-sci.c | 317 |
1 files changed, 203 insertions, 114 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index a9e070759628..80737c131ce7 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -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) @@ -1107,31 +1133,30 @@ 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 = { .membase = (void *)0xfffffe80, .mapbase = 0xfffffe80, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 25, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCI, .irqs = SCI_IRQS, - .init_pins = sci_init_pins_sci, }, #elif defined(CONFIG_CPU_SUBTYPE_SH7705) { .port = { .membase = (void *)SCIF0, .mapbase = SCIF0, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 55, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCIF, @@ -1142,10 +1167,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)SCIF2, .mapbase = SCIF2, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 59, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 1, }, .type = PORT_SCIF, @@ -1157,24 +1182,23 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xfffffe80, .mapbase = 0xfffffe80, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 25, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCI, .irqs = SCI_IRQS, - .init_pins = sci_init_pins_sci, }, { .port = { .membase = (void *)0xa4000150, .mapbase = 0xa4000150, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 59, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 1, }, .type = PORT_SCIF, @@ -1185,10 +1209,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xa4000140, .mapbase = 0xa4000140, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 55, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 2, }, .type = PORT_IRDA, @@ -1200,10 +1224,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xA4430000, .mapbase = 0xA4430000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 25, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCIF, @@ -1215,25 +1239,25 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xffe00000, .mapbase = 0xffe00000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 25, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCIF, .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, .mapbase = 0xffe80000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 43, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCIF, @@ -1245,24 +1269,23 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xffe00000, .mapbase = 0xffe00000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 25, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCI, .irqs = SCI_IRQS, - .init_pins = sci_init_pins_sci, }, { .port = { .membase = (void *)0xffe80000, .mapbase = 0xffe80000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 43, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 1, }, .type = PORT_SCIF, @@ -1274,10 +1297,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xfe600000, .mapbase = 0xfe600000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 55, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCIF, @@ -1288,10 +1311,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xfe610000, .mapbase = 0xfe610000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 75, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 1, }, .type = PORT_SCIF, @@ -1302,40 +1325,25 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xfe620000, .mapbase = 0xfe620000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 79, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 2, }, .type = PORT_SCIF, .irqs = SH7760_SCIF2_IRQS, .init_pins = sci_init_pins_scif, }, -#elif defined(CONFIG_CPU_SUBTYPE_SH4_202) - { - .port = { - .membase = (void *)0xffe80000, - .mapbase = 0xffe80000, - .iotype = SERIAL_IO_MEM, - .irq = 43, - .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCIF, - .irqs = SH4_SCIF_IRQS, - .init_pins = sci_init_pins_scif, - }, #elif defined(CONFIG_CPU_SUBTYPE_ST40STB1) { .port = { .membase = (void *)0xffe00000, .mapbase = 0xffe00000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 26, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCIF, @@ -1346,10 +1354,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0xffe80000, .mapbase = 0xffe80000, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 43, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 1, }, .type = PORT_SCIF, @@ -1359,10 +1367,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103) { .port = { - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 42, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCIF, @@ -1374,10 +1382,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0x00ffffb0, .mapbase = 0x00ffffb0, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 54, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCI, @@ -1388,10 +1396,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0x00ffffb8, .mapbase = 0x00ffffb8, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 58, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 1, }, .type = PORT_SCI, @@ -1402,10 +1410,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0x00ffffc0, .mapbase = 0x00ffffc0, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 62, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 2, }, .type = PORT_SCI, @@ -1417,10 +1425,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0x00ffff78, .mapbase = 0x00ffff78, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 90, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, .type = PORT_SCI, @@ -1431,10 +1439,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0x00ffff80, .mapbase = 0x00ffff80, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 94, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 1, }, .type = PORT_SCI, @@ -1445,16 +1453,88 @@ static struct sci_port sci_ports[SCI_NPORTS] = { .port = { .membase = (void *)0x00ffff88, .mapbase = 0x00ffff88, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .irq = 98, .ops = &sci_uart_ops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 2, }, .type = PORT_SCI, .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; @@ -1496,14 +1573,21 @@ 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; |
