Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / drivers / serial / sh-sci.c
index ad5b776..44f6bf7 100644 (file)
@@ -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>
@@ -79,16 +82,18 @@ static struct sci_port *serial_console_port = 0;
 #endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */
 
 /* Function prototypes */
-static void sci_stop_tx(struct uart_port *port, unsigned int tty_stop);
-static void sci_start_tx(struct uart_port *port, unsigned int tty_start);
+static void sci_stop_tx(struct uart_port *port);
+static void sci_start_tx(struct uart_port *port);
 static void sci_start_rx(struct uart_port *port, unsigned int tty_start);
 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;
        }
@@ -455,7 +467,7 @@ static void sci_transmit_chars(struct uart_port *port)
        if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
                uart_write_wakeup(port);
        if (uart_circ_empty(xmit)) {
-               sci_stop_tx(port, 0);
+               sci_stop_tx(port);
        } else {
                local_irq_save(flags);
                ctrl = sci_in(port, SCSCR);
@@ -482,6 +494,7 @@ static inline void sci_receive_chars(struct uart_port *port,
        struct tty_struct *tty = port->info->tty;
        int i, count, copied = 0;
        unsigned short status;
+       unsigned char flag;
 
        status = sci_in(port, SCxSR);
        if (!(status & SCxSR_RDxF(port)))
@@ -490,7 +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;
                }
@@ -499,8 +516,7 @@ static inline void sci_receive_chars(struct uart_port *port,
 #endif
 
                /* Don't copy more bytes than there is room for in the buffer */
-               if (tty->flip.count + count > TTY_FLIPBUF_SIZE)
-                       count = TTY_FLIPBUF_SIZE - tty->flip.count;
+               count = tty_buffer_request_room(tty, count);
 
                /* If for any reason we can't copy more data, we're done! */
                if (count == 0)
@@ -512,8 +528,7 @@ static inline void sci_receive_chars(struct uart_port *port,
                            || uart_handle_sysrq_char(port, c, regs)) {
                                count = 0;
                        } else {
-                           tty->flip.char_buf_ptr[0] = c;
-                           tty->flip.flag_buf_ptr[0] = TTY_NORMAL;
+                           tty_insert_flip_char(tty, c, TTY_NORMAL);
                        }
                } else {
                        for (i=0; i<count; i++) {
@@ -542,26 +557,21 @@ static inline void sci_receive_chars(struct uart_port *port,
                                }
 
                                /* Store data and status */
-                               tty->flip.char_buf_ptr[i] = c;
                                if (status&SCxSR_FER(port)) {
-                                       tty->flip.flag_buf_ptr[i] = TTY_FRAME;
+                                       flag = TTY_FRAME;
                                        pr_debug("sci: frame error\n");
                                } else if (status&SCxSR_PER(port)) {
-                                       tty->flip.flag_buf_ptr[i] = TTY_PARITY;
+                                       flag = TTY_PARITY;
                                        pr_debug("sci: parity error\n");
-                               } else {
-                                       tty->flip.flag_buf_ptr[i] = TTY_NORMAL;
-                               }
+                               } else
+                                       flag = TTY_NORMAL;
+                               tty_insert_flip_char(tty, c, flag);
                        }
                }
 
                sci_in(port, SCxSR); /* dummy read */
                sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
 
-               /* Update the kernel buffer end */
-               tty->flip.count += count;
-               tty->flip.char_buf_ptr += count;
-               tty->flip.flag_buf_ptr += count;
                copied += count;
                port->icount.rx += count;
        }
@@ -608,48 +618,45 @@ static inline int sci_handle_errors(struct uart_port *port)
        unsigned short status = sci_in(port, SCxSR);
        struct tty_struct *tty = port->info->tty;
 
-       if (status&SCxSR_ORER(port) && tty->flip.count<TTY_FLIPBUF_SIZE) {
+       if (status&SCxSR_ORER(port)) {
                /* overrun error */
-               copied++;
-               *tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
+               if(tty_insert_flip_char(tty, 0, TTY_OVERRUN))
+                       copied++;
                pr_debug("sci: overrun error\n");
        }
 
-       if (status&SCxSR_FER(port) && tty->flip.count<TTY_FLIPBUF_SIZE) {
+       if (status&SCxSR_FER(port)) {
                if (sci_rxd_in(port) == 0) {
                        /* Notify of BREAK */
                        struct sci_port * sci_port = (struct sci_port *)port;
-                       if(!sci_port->break_flag) {
-                               sci_port->break_flag = 1;
-                               sci_schedule_break_timer((struct sci_port *)port);
+                       if(!sci_port->break_flag) {
+                               sci_port->break_flag = 1;
+                               sci_schedule_break_timer((struct sci_port *)port);
                                /* Do sysrq handling. */
-                               if(uart_handle_break(port)) {
+                               if(uart_handle_break(port))
                                        return 0;
-                               }
                                pr_debug("sci: BREAK detected\n");
-                               copied++;
-                               *tty->flip.flag_buf_ptr++ = TTY_BREAK;
+                               if(tty_insert_flip_char(tty, 0, TTY_BREAK))
+                                       copied++;
                        }
                }
                else {
                        /* frame error */
-                       copied++;
-                       *tty->flip.flag_buf_ptr++ = TTY_FRAME;
+                       if(tty_insert_flip_char(tty, 0, TTY_FRAME))
+                               copied++;
                        pr_debug("sci: frame error\n");
                }
        }
 
-       if (status&SCxSR_PER(port) && tty->flip.count<TTY_FLIPBUF_SIZE) {
+       if (status&SCxSR_PER(port)) {
+               if(tty_insert_flip_char(tty, 0, TTY_PARITY))
+                       copied++;
                /* parity error */
-               copied++;
-               *tty->flip.flag_buf_ptr++ = TTY_PARITY;
                pr_debug("sci: parity error\n");
        }
 
-       if (copied) {
-               tty->flip.count += copied;
+       if (copied)
                tty_flip_buffer_push(tty);
-       }
 
        return copied;
 }
@@ -661,15 +668,14 @@ 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) &&
-           tty->flip.count < TTY_FLIPBUF_SIZE) {
+       if (!s->break_flag && status & SCxSR_BRK(port)) {
 #if defined(CONFIG_CPU_SH3)
                /* Debounce break */
                s->break_flag = 1;
 #endif
                /* Notify of BREAK */
-               copied++;
-               *tty->flip.flag_buf_ptr++ = TTY_BREAK;
+               if(tty_insert_flip_char(tty, 0, TTY_BREAK))
+                       copied++;
                pr_debug("sci: BREAK detected\n");
        }
 
@@ -677,19 +683,15 @@ static inline int sci_handle_breaks(struct uart_port *port)
        /* XXX: Handle SCIF overrun error */
        if (port->type == PORT_SCIF && (sci_in(port, SCLSR) & SCIF_ORER) != 0) {
                sci_out(port, SCLSR, 0);
-               if(tty->flip.count<TTY_FLIPBUF_SIZE) {
+               if(tty_insert_flip_char(tty, 0, TTY_OVERRUN)) {
                        copied++;
-                       *tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
                        pr_debug("sci: overrun error\n");
                }
        }
 #endif
 
-       if (copied) {
-               tty->flip.count += copied;
+       if (copied)
                tty_flip_buffer_push(tty);
-       }
-
        return copied;
 }
 
@@ -732,12 +734,9 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr, struct pt_regs *regs)
                        struct tty_struct *tty = port->info->tty;
 
                        sci_out(port, SCLSR, 0);
-                       if(tty->flip.count<TTY_FLIPBUF_SIZE) {
-                               *tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
-                               tty->flip.count++;
-                               tty_flip_buffer_push(tty);
-                               pr_debug("scif: overrun error\n");
-                       }
+                       tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+                       tty_flip_buffer_push(tty);
+                       pr_debug("scif: overrun error\n");
                }
 #endif
                sci_rx_interrupt(irq, ptr, regs);
@@ -800,6 +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
@@ -812,7 +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",
@@ -900,7 +902,7 @@ static unsigned int sci_get_mctrl(struct uart_port *port)
        return TIOCM_DTR | TIOCM_RTS | TIOCM_DSR;
 }
 
-static void sci_start_tx(struct uart_port *port, unsigned int tty_start)
+static void sci_start_tx(struct uart_port *port)
 {
        struct sci_port *s = &sci_ports[port->line];
 
@@ -909,7 +911,7 @@ static void sci_start_tx(struct uart_port *port, unsigned int tty_start)
        enable_irq(s->irqs[SCIx_TXI_IRQ]);
 }
 
-static void sci_stop_tx(struct uart_port *port, unsigned int tty_stop)
+static void sci_stop_tx(struct uart_port *port)
 {
        unsigned long flags;
        unsigned short ctrl;
@@ -967,7 +969,7 @@ static int sci_startup(struct uart_port *port)
 #endif
 
        sci_request_irq(s);
-       sci_start_tx(port, 1);
+       sci_start_tx(port);
        sci_start_rx(port, 1);
 
        return 0;
@@ -978,7 +980,7 @@ static void sci_shutdown(struct uart_port *port)
        struct sci_port *s = &sci_ports[port->line];
 
        sci_stop_rx(port);
-       sci_stop_tx(port, 1);
+       sci_stop_tx(port);
        sci_free_irq(s);
 
 #if defined(__H8300S__)
@@ -1025,15 +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) {
@@ -1047,7 +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)
@@ -1124,31 +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,
@@ -1159,10 +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,
@@ -1174,24 +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,
@@ -1202,10 +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,
@@ -1217,10 +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,
@@ -1232,25 +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,
@@ -1262,24 +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,
@@ -1291,10 +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,
@@ -1305,10 +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,
@@ -1319,40 +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,
@@ -1363,10 +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,
@@ -1376,10 +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,
@@ -1391,10 +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,
@@ -1405,10 +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,
@@ -1419,10 +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,
@@ -1434,10 +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,
@@ -1448,10 +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,
@@ -1462,16 +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         = UPIO_MEM,
+                       .irq            = 61,
+                       .ops            = &sci_uart_ops,
+                       .flags          = UPF_BOOT_AUTOCONF,
+                       .line           = 0,
+               },
+               .type           = PORT_SCIF,
+               .irqs           = SH7770_SCIF0_IRQS,
+               .init_pins      = sci_init_pins_scif,
+       },
+       {
+               .port   = {
+                       .membase        = (void *)0xff924000,
+                       .mapbase        = 0xff924000,
+                       .iotype         = UPIO_MEM,
+                       .irq            = 62,
+                       .ops            = &sci_uart_ops,
+                       .flags          = UPF_BOOT_AUTOCONF,
+                       .line           = 1,
+               },
+               .type           = PORT_SCIF,
+               .irqs           = SH7770_SCIF1_IRQS,
+               .init_pins      = sci_init_pins_scif,
+       },
+       {
+               .port   = {
+                       .membase        = (void *)0xff925000,
+                       .mapbase        = 0xff925000,
+                       .iotype         = UPIO_MEM,
+                       .irq            = 63,
+                       .ops            = &sci_uart_ops,
+                       .flags          = UPF_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         = UPIO_MEM,
+                       .irq            = 43,
+                       .ops            = &sci_uart_ops,
+                       .flags          = UPF_BOOT_AUTOCONF,
+                       .line           = 0,
+               },
+               .type           = PORT_SCIF,
+               .irqs           = SH7780_SCIF0_IRQS,
+               .init_pins      = sci_init_pins_scif,
+       },
+       {
+               .port   = {
+                       .membase        = (void *)0xffe10000,
+                       .mapbase        = 0xffe10000,
+                       .iotype         = UPIO_MEM,
+                       .irq            = 79,
+                       .ops            = &sci_uart_ops,
+                       .flags          = UPF_BOOT_AUTOCONF,
+                       .line           = 1,
+               },
+               .type           = PORT_SCIF,
+               .irqs           = SH7780_SCIF1_IRQS,
+               .init_pins      = sci_init_pins_scif,
+       },
 #else
 #error "CPU subtype not defined"
 #endif
@@ -1497,9 +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;
@@ -1513,13 +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);
@@ -1583,7 +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)
@@ -1623,7 +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 =
@@ -1638,7 +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,
 };
 
@@ -1648,15 +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;