diff options
Diffstat (limited to 'drivers/serial')
52 files changed, 1543 insertions, 2118 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c index 7572665a885..57438326b07 100644 --- a/drivers/serial/21285.c +++ b/drivers/serial/21285.c @@ -7,7 +7,6 @@ * * $Id: 21285.c,v 1.37 2002/07/28 10:03:27 rmk Exp $ */ -#include <linux/config.h> #include <linux/module.h> #include <linux/tty.h> #include <linux/ioport.h> @@ -479,7 +478,6 @@ static struct uart_driver serial21285_reg = { .owner = THIS_MODULE, .driver_name = "ttyFB", .dev_name = "ttyFB", - .devfs_name = "ttyFB", .major = SERIAL_21285_MAJOR, .minor = SERIAL_21285_MINOR, .nr = 1, diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c index b88a7c1158a..993a702422e 100644 --- a/drivers/serial/68328serial.c +++ b/drivers/serial/68328serial.c @@ -23,7 +23,6 @@ #include <linux/interrupt.h> #include <linux/tty.h> #include <linux/tty_flip.h> -#include <linux/config.h> #include <linux/major.h> #include <linux/string.h> #include <linux/fcntl.h> @@ -131,17 +130,6 @@ static int m68328_console_baud = CONSOLE_BAUD_RATE; static int m68328_console_cbaud = DEFAULT_CBAUD; -/* - * tmp_buf is used as a temporary buffer by serial_write. We need to - * lock it in case the memcpy_fromfs blocks while swapping in a page, - * and some other program tries to do a serial write at the same time. - * Since the lock will only come under contention when the system is - * swapping and available memory is low, it makes sense to share one - * buffer across all the serial ports, since it significantly saves - * memory if large numbers of serial ports are open. - */ -static unsigned char tmp_buf[SERIAL_XMIT_SIZE]; /* This is cheating */ - static inline int serial_paranoia_check(struct m68k_serial *info, char *name, const char *routine) { @@ -211,16 +199,16 @@ static void rs_stop(struct tty_struct *tty) if (serial_paranoia_check(info, tty->name, "rs_stop")) return; - save_flags(flags); cli(); + local_irq_save(flags); uart->ustcnt &= ~USTCNT_TXEN; - restore_flags(flags); + local_irq_restore(flags); } static void rs_put_char(char ch) { int flags, loops = 0; - save_flags(flags); cli(); + local_irq_save(flags); while (!(UTX & UTX_TX_AVAIL) && (loops < 1000)) { loops++; @@ -229,7 +217,7 @@ static void rs_put_char(char ch) UTX_TXDATA = ch; udelay(5); - restore_flags(flags); + local_irq_restore(flags); } static void rs_start(struct tty_struct *tty) @@ -241,7 +229,7 @@ static void rs_start(struct tty_struct *tty) if (serial_paranoia_check(info, tty->name, "rs_start")) return; - save_flags(flags); cli(); + local_irq_save(flags); if (info->xmit_cnt && info->xmit_buf && !(uart->ustcnt & USTCNT_TXEN)) { #ifdef USE_INTS uart->ustcnt |= USTCNT_TXEN | USTCNT_TX_INTR_MASK; @@ -249,7 +237,7 @@ static void rs_start(struct tty_struct *tty) uart->ustcnt |= USTCNT_TXEN; #endif } - restore_flags(flags); + local_irq_restore(flags); } /* Drop into either the boot monitor or kadb upon receiving a break @@ -327,14 +315,6 @@ static void receive_chars(struct m68k_serial *info, struct pt_regs *regs, if(!tty) goto clear_and_exit; - /* - * Make sure that we do not overflow the buffer - */ - if (tty_request_buffer_room(tty, 1) == 0) { - tty_schedule_flip(tty); - return; - } - flag = TTY_NORMAL; if(rx & URX_PARITY_ERROR) { @@ -473,7 +453,7 @@ static int startup(struct m68k_serial * info) return -ENOMEM; } - save_flags(flags); cli(); + local_irq_save(flags); /* * Clear the FIFO buffers and disable them @@ -506,7 +486,7 @@ static int startup(struct m68k_serial * info) change_speed(info); info->flags |= S_INITIALIZED; - restore_flags(flags); + local_irq_restore(flags); return 0; } @@ -523,7 +503,7 @@ static void shutdown(struct m68k_serial * info) if (!(info->flags & S_INITIALIZED)) return; - save_flags(flags); cli(); /* Disable interrupts */ + local_irq_save(flags); if (info->xmit_buf) { free_page((unsigned long) info->xmit_buf); @@ -534,7 +514,7 @@ static void shutdown(struct m68k_serial * info) set_bit(TTY_IO_ERROR, &info->tty->flags); info->flags &= ~S_INITIALIZED; - restore_flags(flags); + local_irq_restore(flags); } struct { @@ -655,24 +635,24 @@ static void rs_fair_output(void) if (info == 0) return; if (info->xmit_buf == 0) return; - save_flags(flags); cli(); + local_irq_save(flags); left = info->xmit_cnt; while (left != 0) { c = info->xmit_buf[info->xmit_tail]; info->xmit_tail = (info->xmit_tail+1) & (SERIAL_XMIT_SIZE-1); info->xmit_cnt--; - restore_flags(flags); + local_irq_restore(flags); rs_put_char(c); - save_flags(flags); cli(); + local_irq_save(flags); left = min(info->xmit_cnt, left-1); } /* Last character is being transmitted now (hopefully). */ udelay(5); - restore_flags(flags); + local_irq_restore(flags); return; } @@ -720,11 +700,11 @@ static void rs_flush_chars(struct tty_struct *tty) #endif /* Enable transmitter */ - save_flags(flags); cli(); + local_irq_save(flags); if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || !info->xmit_buf) { - restore_flags(flags); + local_irq_restore(flags); return; } @@ -749,7 +729,7 @@ static void rs_flush_chars(struct tty_struct *tty) while (!(uart->utx.w & UTX_TX_AVAIL)) udelay(5); } #endif - restore_flags(flags); + local_irq_restore(flags); } extern void console_printn(const char * b, int count); @@ -768,18 +748,22 @@ static int rs_write(struct tty_struct * tty, if (!tty || !info->xmit_buf) return 0; - save_flags(flags); + local_save_flags(flags); while (1) { - cli(); + local_irq_disable(); c = min_t(int, count, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1, SERIAL_XMIT_SIZE - info->xmit_head)); + local_irq_restore(flags); + if (c <= 0) break; memcpy(info->xmit_buf + info->xmit_head, buf, c); + + local_irq_disable(); info->xmit_head = (info->xmit_head + c) & (SERIAL_XMIT_SIZE-1); info->xmit_cnt += c; - restore_flags(flags); + local_irq_restore(flags); buf += c; count -= c; total += c; @@ -787,7 +771,7 @@ static int rs_write(struct tty_struct * tty, if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped) { /* Enable transmitter */ - cli(); + local_irq_disable(); #ifndef USE_INTS while(info->xmit_cnt) { #endif @@ -807,9 +791,9 @@ static int rs_write(struct tty_struct * tty, #ifndef USE_INTS } #endif - restore_flags(flags); + local_irq_restore(flags); } - restore_flags(flags); + return total; } @@ -838,12 +822,13 @@ static int rs_chars_in_buffer(struct tty_struct *tty) static void rs_flush_buffer(struct tty_struct *tty) { struct m68k_serial *info = (struct m68k_serial *)tty->driver_data; + unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_flush_buffer")) return; - cli(); + local_irq_save(flags); info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; - sti(); + local_irq_restore(flags); tty_wakeup(tty); } @@ -973,14 +958,15 @@ static int get_lsr_info(struct m68k_serial * info, unsigned int *value) m68328_uart *uart = &uart_addr[info->line]; #endif unsigned char status; + unsigned long flags; - cli(); + local_irq_save(flags); #ifdef CONFIG_SERIAL_68328_RTS_CTS status = (uart->utx.w & UTX_CTS_STAT) ? 1 : 0; #else status = 0; #endif - sti(); + local_irq_restore(flags); put_user(status,value); return 0; } @@ -994,14 +980,13 @@ static void send_break(struct m68k_serial * info, unsigned int duration) unsigned long flags; if (!info->port) return; - save_flags(flags); - cli(); + local_irq_save(flags); #ifdef USE_INTS uart->utx.w |= UTX_SEND_BREAK; msleep_interruptible(duration); uart->utx.w &= ~UTX_SEND_BREAK; #endif - restore_flags(flags); + local_irq_restore(flags); } static int rs_ioctl(struct tty_struct *tty, struct file * file, @@ -1060,7 +1045,7 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file, (struct serial_struct *) arg); case TIOCSERGETLSR: /* Get line status register */ if (access_ok(VERIFY_WRITE, (void *) arg, - sizeof(unsigned int)); + sizeof(unsigned int))) return get_lsr_info(info, (unsigned int *) arg); return -EFAULT; case TIOCSERGSTRUCT: @@ -1113,10 +1098,10 @@ static void rs_close(struct tty_struct *tty, struct file * filp) if (!info || serial_paranoia_check(info, tty->name, "rs_close")) return; - save_flags(flags); cli(); + local_irq_save(flags); if (tty_hung_up_p(filp)) { - restore_flags(flags); + local_irq_restore(flags); return; } @@ -1138,7 +1123,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp) info->count = 0; } if (info->count) { - restore_flags(flags); + local_irq_restore(flags); return; } info->flags |= S_CLOSING; @@ -1186,7 +1171,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp) } info->flags &= ~(S_NORMAL_ACTIVE|S_CLOSING); wake_up_interruptible(&info->close_wait); - restore_flags(flags); + local_irq_restore(flags); } /* @@ -1262,9 +1247,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, info->count--; info->blocked_open++; while (1) { - cli(); + local_irq_disable(); m68k_rtsdtr(info, 1); - sti(); + local_irq_enable(); current->state = TASK_INTERRUPTIBLE; if (tty_hung_up_p(filp) || !(info->flags & S_INITIALIZED)) { @@ -1444,7 +1429,7 @@ rs68328_init(void) return -ENOMEM; } - save_flags(flags); cli(); + local_irq_save(flags); for(i=0;i<NR_PORTS;i++) { @@ -1489,7 +1474,7 @@ rs68328_init(void) serial_pm[i]->data = info; #endif } - restore_flags(flags); + local_irq_restore(flags); return 0; } diff --git a/drivers/serial/68328serial.h b/drivers/serial/68328serial.h index 978f8a609f3..58aa2154655 100644 --- a/drivers/serial/68328serial.h +++ b/drivers/serial/68328serial.h @@ -11,7 +11,6 @@ #ifndef _MC683XX_SERIAL_H #define _MC683XX_SERIAL_H -#include <linux/config.h> struct serial_struct { int type; diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c index 9843ae3d420..e80e70e9b12 100644 --- a/drivers/serial/68360serial.c +++ b/drivers/serial/68360serial.c @@ -20,7 +20,6 @@ * int rs_360_init(void); */ -#include <linux/config.h> #include <linux/module.h> #include <linux/errno.h> #include <linux/signal.h> diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index bbf78aaf9e0..0ae9ced00ed 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -19,7 +19,6 @@ * mapbase is the physical address of the IO port. * membase is an 'ioremapped' cookie. */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_8250_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -49,7 +48,7 @@ /* * Configuration: - * share_irqs - whether we pass SA_SHIRQ to request_irq(). This option + * share_irqs - whether we pass IRQF_SHARED to request_irq(). This option * is unsafe when used on edge-triggered interrupts. */ static unsigned int share_irqs = SERIAL8250_SHARE_IRQS; @@ -300,6 +299,7 @@ static inline int map_8250_out_reg(struct uart_8250_port *up, int offset) static unsigned int serial_in(struct uart_8250_port *up, int offset) { + unsigned int tmp; offset = map_8250_in_reg(up, offset) << up->port.regshift; switch (up->port.iotype) { @@ -318,6 +318,13 @@ static unsigned int serial_in(struct uart_8250_port *up, int offset) return __raw_readl(up->port.membase + offset); #endif + case UPIO_TSI: + if (offset == UART_IIR) { + tmp = readl((u32 *)(up->port.membase + UART_RX)); + return (cpu_to_le32(tmp) >> 8) & 0xff; + } else + return readb(up->port.membase + offset); + default: return inb(up->port.iobase + offset); } @@ -347,6 +354,10 @@ serial_out(struct uart_8250_port *up, int offset, int value) __raw_writel(value, up->port.membase + offset); break; #endif + case UPIO_TSI: + if (!((offset == UART_IER) && (value & UART_IER_UUE))) + writeb(value, up->port.membase + offset); + break; default: outb(value, up->port.iobase + offset); @@ -1401,7 +1412,7 @@ static void serial_do_unlink(struct irq_info *i, struct uart_8250_port *up) static int serial_link_irq_chain(struct uart_8250_port *up) { struct irq_info *i = irq_lists + up->port.irq; - int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? SA_SHIRQ : 0; + int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0; spin_lock_irq(&i->lock); @@ -2241,10 +2252,14 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) touch_nmi_watchdog(); - if (oops_in_progress) { - locked = spin_trylock_irqsave(&up->port.lock, flags); + local_irq_save(flags); + if (up->port.sysrq) { + /* serial8250_handle_port() already took the lock */ + locked = 0; + } else if (oops_in_progress) { + locked = spin_trylock(&up->port.lock); } else - spin_lock_irqsave(&up->port.lock, flags); + spin_lock(&up->port.lock); /* * First save the IER then disable the interrupts @@ -2266,7 +2281,8 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) serial_out(up, UART_IER, ier); if (locked) - spin_unlock_irqrestore(&up->port.lock, flags); + spin_unlock(&up->port.lock); + local_irq_restore(flags); } static int serial8250_console_setup(struct console *co, char *options) @@ -2354,7 +2370,6 @@ int __init serial8250_start_console(struct uart_port *port, char *options) static struct uart_driver serial8250_reg = { .owner = THIS_MODULE, .driver_name = "serial", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, .minor = 64, diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h index 490606b8709..91bd28f2bb4 100644 --- a/drivers/serial/8250.h +++ b/drivers/serial/8250.h @@ -15,7 +15,6 @@ * $Id: 8250.h,v 1.8 2002/07/21 21:32:30 rmk Exp $ */ -#include <linux/config.h> #include <linux/serial_8250.h> struct old_serial_port { diff --git a/drivers/serial/8250_mca.c b/drivers/serial/8250_mca.c index ac205256d5f..d10be944ad4 100644 --- a/drivers/serial/8250_mca.c +++ b/drivers/serial/8250_mca.c @@ -8,7 +8,6 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/mca.h> diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 94886c000d2..851e4839d6d 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -134,7 +134,7 @@ afavlab_setup(struct serial_private *priv, struct pciserial_board *board, * and Keystone have one Diva chip with 3 UARTs. Some later machines have * one Diva chip, but it has been expanded to 5 UARTs. */ -static int __devinit pci_hp_diva_init(struct pci_dev *dev) +static int pci_hp_diva_init(struct pci_dev *dev) { int rc = 0; @@ -194,7 +194,7 @@ pci_hp_diva_setup(struct serial_private *priv, struct pciserial_board *board, /* * Added for EKF Intel i960 serial boards */ -static int __devinit pci_inteli960ni_init(struct pci_dev *dev) +static int pci_inteli960ni_init(struct pci_dev *dev) { unsigned long oldval; @@ -216,7 +216,7 @@ static int __devinit pci_inteli960ni_init(struct pci_dev *dev) * seems to be mainly needed on card using the PLX which also use I/O * mapped memory. */ -static int __devinit pci_plx9050_init(struct pci_dev *dev) +static int pci_plx9050_init(struct pci_dev *dev) { u8 irq_config; void __iomem *p; @@ -314,7 +314,7 @@ sbs_setup(struct serial_private *priv, struct pciserial_board *board, /* global control register offset for SBS PMC-OctalPro */ #define OCT_REG_CR_OFF 0x500 -static int __devinit sbs_init(struct pci_dev *dev) +static int sbs_init(struct pci_dev *dev) { u8 __iomem *p; @@ -458,11 +458,11 @@ static int pci_siig_setup(struct serial_private *priv, * growing *huge*, we use this function to collapse some 70 entries * in the PCI table into one, for sanity's and compactness's sake. */ -static unsigned short timedia_single_port[] = { +static const unsigned short timedia_single_port[] = { 0x4025, 0x4027, 0x4028, 0x5025, 0x5027, 0 }; -static unsigned short timedia_dual_port[] = { +static const unsigned short timedia_dual_port[] = { 0x0002, 0x4036, 0x4037, 0x4038, 0x4078, 0x4079, 0x4085, 0x4088, 0x4089, 0x5037, 0x5078, 0x5079, 0x5085, 0x6079, 0x7079, 0x8079, 0x8137, 0x8138, 0x8237, 0x8238, 0x9079, @@ -470,35 +470,34 @@ static unsigned short timedia_dual_port[] = { 0xD079, 0 }; -static unsigned short timedia_quad_port[] = { +static const unsigned short timedia_quad_port[] = { 0x4055, 0x4056, 0x4095, 0x4096, 0x5056, 0x8156, 0x8157, 0x8256, 0x8257, 0x9056, 0x9156, 0x9157, 0x9158, 0x9159, 0x9256, 0x9257, 0xA056, 0xA157, 0xA158, 0xA159, 0xB056, 0xB157, 0 }; -static unsigned short timedia_eight_port[] = { +static const unsigned short timedia_eight_port[] = { 0x4065, 0x4066, 0x5065, 0x5066, 0x8166, 0x9066, 0x9166, 0x9167, 0x9168, 0xA066, 0xA167, 0xA168, 0 }; static const struct timedia_struct { int num; - unsigned short *ids; + const unsigned short *ids; } timedia_data[] = { { 1, timedia_single_port }, { 2, timedia_dual_port }, { 4, timedia_quad_port }, - { 8, timedia_eight_port }, - { 0, NULL } + { 8, timedia_eight_port } }; -static int __devinit pci_timedia_init(struct pci_dev *dev) +static int pci_timedia_init(struct pci_dev *dev) { - unsigned short *ids; + const unsigned short *ids; int i, j; - for (i = 0; timedia_data[i].num; i++) { + for (i = 0; i < ARRAY_SIZE(timedia_data); i++) { ids = timedia_data[i].ids; for (j = 0; ids[j]; j++) if (dev->subsystem_device == ids[j]) @@ -566,13 +565,13 @@ titan_400l_800l_setup(struct serial_private *priv, return setup_port(priv, port, bar, offset, board->reg_shift); } -static int __devinit pci_xircom_init(struct pci_dev *dev) +static int pci_xircom_init(struct pci_dev *dev) { msleep(100); return 0; } -static int __devinit pci_netmos_init(struct pci_dev *dev) +static int pci_netmos_init(struct pci_dev *dev) { /* subdevice 0x00PS means <P> parallel, <S> serial */ unsigned int num_serial = dev->subsystem_device & 0xf; @@ -594,8 +593,8 @@ pci_default_setup(struct serial_private *priv, struct pciserial_board *board, else offset += idx * board->uart_offset; - maxnr = (pci_resource_len(priv->dev, bar) - board->first_offset) / - (8 << board->reg_shift); + maxnr = (pci_resource_len(priv->dev, bar) - board->first_offset) >> + (board->reg_shift + 3); if (board->flags & FL_REGION_SZ_CAP && idx >= maxnr) return 1; @@ -622,7 +621,7 @@ pci_default_setup(struct serial_private *priv, struct pciserial_board *board, */ static struct pci_serial_quirk pci_serial_quirks[] = { /* - * AFAVLAB cards. + * AFAVLAB cards - these may be called via parport_serial * It is not clear whether this applies to all products. */ { @@ -754,7 +753,7 @@ static struct pci_serial_quirk pci_serial_quirks[] = { .exit = __devexit_p(sbs_exit), }, /* - * SIIG cards. + * SIIG cards - these may be called via parport_serial */ { .vendor = PCI_VENDOR_ID_SIIG, @@ -811,7 +810,7 @@ static struct pci_serial_quirk pci_serial_quirks[] = { .setup = pci_default_setup, }, /* - * Netmos cards + * Netmos cards - these may be called via parport_serial */ { .vendor = PCI_VENDOR_ID_NETMOS, @@ -936,6 +935,7 @@ enum pci_board_num_t { pbn_b1_8_1382400, pbn_b2_1_115200, + pbn_b2_2_115200, pbn_b2_8_115200, pbn_b2_1_460800, @@ -1243,6 +1243,12 @@ static struct pciserial_board pci_boards[] __devinitdata = { .base_baud = 115200, .uart_offset = 8, }, + [pbn_b2_2_115200] = { + .flags = FL_BASE2, + .num_ports = 2, + .base_baud = 115200, + .uart_offset = 8, + }, [pbn_b2_8_115200] = { .flags = FL_BASE2, .num_ports = 8, @@ -2340,6 +2346,13 @@ static struct pci_device_id serial_pci_tbl[] = { pbn_b0_1_115200 }, /* + * IntaShield IS-200 + */ + { PCI_VENDOR_ID_INTASHIELD, PCI_DEVICE_ID_INTASHIELD_IS200, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, /* 135a.0811 */ + pbn_b2_2_115200 }, + + /* * These entries match devices with class COMMUNICATION_SERIAL, * COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL */ diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c index b79ed0665d5..632f62d6ec7 100644 --- a/drivers/serial/8250_pnp.c +++ b/drivers/serial/8250_pnp.c @@ -323,8 +323,10 @@ static const struct pnp_device_id pnp_dev_table[] = { { "USR9180", 0 }, /* U.S. Robotics 56K Voice INT PnP*/ { "USR9190", 0 }, - /* HP Compaq Tablet PC tc1100 Wacom tablet */ + /* Wacom tablets */ + { "WACF004", 0 }, { "WACF005", 0 }, + { "WACF006", 0 }, /* Rockwell's (PORALiNK) 33600 INT PNP */ { "WCI0003", 0 }, /* Unkown PnP modems */ @@ -429,6 +431,8 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) #endif port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF; + if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE) + port.flags |= UPF_SHARE_IRQ; port.uartclk = 1843200; port.dev = &dev->dev; diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index bef4a9622ed..d926272a40d 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -295,7 +295,7 @@ config SERIAL_AMBA_PL011_CONSOLE Even if you say Y here, the currently visible framebuffer console (/dev/tty0) will still be used as the system console by default, but you can alter that using a kernel command line option such as - "console=ttyAM0". (Try "man bootparam" or see the documentation of + "console=ttyAMA0". (Try "man bootparam" or see the documentation of your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) @@ -354,21 +354,24 @@ config SERIAL_CLPS711X_CONSOLE kernel at boot time.) config SERIAL_S3C2410 - tristate "Samsung S3C2410 Serial port support" + tristate "Samsung S3C2410/S3C2440/S3C2442/S3C2412 Serial port support" depends on ARM && ARCH_S3C2410 select SERIAL_CORE help - Support for the on-chip UARTs on the Samsung S3C2410X CPU, + Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, providing /dev/ttySAC0, 1 and 2 (note, some machines may not provide all of these ports, depending on how the serial port pins are configured. + Currently this driver supports the UARTS on the S3C2410, S3C2440, + S3C2442, S3C2412 and S3C2413 CPUs. + config SERIAL_S3C2410_CONSOLE bool "Support for console on S3C2410 serial port" depends on SERIAL_S3C2410=y select SERIAL_CORE_CONSOLE help - Allow selection of the S3C2410 on-board serial ports for use as + Allow selection of the S3C24XX on-board serial ports for use as an virtual console. Even if you say Y here, the currently visible virtual console @@ -639,12 +642,17 @@ config V850E_UART_CONSOLE select SERIAL_CORE_CONSOLE config SERIAL_SH_SCI - tristate "SH SCI(F) serial port support" + tristate "SuperH SCI(F) serial port support" depends on SUPERH || H8300 select SERIAL_CORE +config SERIAL_SH_SCI_NR_UARTS + int "Maximum number of SCI(F) serial ports" + depends on SERIAL_SH_SCI + default "2" + config SERIAL_SH_SCI_CONSOLE - bool "Support for console on SH SCI(F)" + bool "Support for console on SuperH SCI(F)" depends on SERIAL_SH_SCI=y select SERIAL_CORE_CONSOLE diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index e920d196d0b..7311d8487c9 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -31,7 +31,6 @@ * required, these have to be supplied via some other means (eg, GPIO) * and hooked into this driver. */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_AMBA_PL010_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index 3d966cfc9a3..a8d7124e84a 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -31,7 +31,6 @@ * required, these have to be supplied via some other means (eg, GPIO) * and hooked into this driver. */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_AMBA_PL011_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ diff --git a/drivers/serial/at91_serial.c b/drivers/serial/at91_serial.c index db5b25fafed..bf4bf103e5a 100644 --- a/drivers/serial/at91_serial.c +++ b/drivers/serial/at91_serial.c @@ -22,7 +22,6 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/tty.h> #include <linux/ioport.h> @@ -42,6 +41,7 @@ #include <asm/mach/serial_at91.h> #include <asm/arch/board.h> #include <asm/arch/system.h> +#include <asm/arch/gpio.h> #if defined(CONFIG_SERIAL_AT91_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -139,11 +139,11 @@ static void at91_set_mctrl(struct uart_port *port, u_int mctrl) * AT91RM9200 Errata #39: RTS0 is not internally connected to PA21. * We need to drive the pin manually. */ - if (port->mapbase == AT91_BASE_US0) { + if (port->mapbase == AT91RM9200_BASE_US0) { if (mctrl & TIOCM_RTS) - at91_sys_write(AT91_PIOA + PIO_CODR, AT91_PA21_RTS0); + at91_set_gpio_value(AT91_PIN_PA21, 0); else - at91_sys_write(AT91_PIOA + PIO_SODR, AT91_PA21_RTS0); + at91_set_gpio_value(AT91_PIN_PA21, 1); } } @@ -388,7 +388,7 @@ static int at91_startup(struct uart_port *port) /* * Allocate the IRQ */ - retval = request_irq(port->irq, at91_interrupt, SA_SHIRQ, "at91_serial", port); + retval = request_irq(port->irq, at91_interrupt, IRQF_SHARED, "at91_serial", port); if (retval) { printk("at91_serial: at91_startup - Can't get irq\n"); return retval; @@ -863,7 +863,6 @@ static struct uart_driver at91_uart = { .owner = THIS_MODULE, .driver_name = "at91_serial", .dev_name = AT91_DEVICENAME, - .devfs_name = AT91_DEVICENAME, .major = SERIAL_AT91_MAJOR, .minor = MINOR_START, .nr = AT91_NR_UART, diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c index 2691112c84a..f27d852ce50 100644 --- a/drivers/serial/clps711x.c +++ b/drivers/serial/clps711x.c @@ -25,7 +25,6 @@ * $Id: clps711x.c,v 1.42 2002/07/28 10:03:28 rmk Exp $ * */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_CLPS711X_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index 5cba59ad7dc..90ff96e3339 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -31,7 +31,6 @@ * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/tty.h> #include <linux/ioport.h> diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c index 17406a05ce1..95afc37297a 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c @@ -27,7 +27,6 @@ * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/tty.h> #include <linux/ioport.h> diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c index cdba128250a..ef3bb476c43 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c @@ -27,7 +27,6 @@ * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/tty.h> #include <linux/ioport.h> diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index 89700141f87..cabd048c863 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -415,7 +415,7 @@ * Fixed DEF_TX value that caused the serial transmitter pin (txd) to go to 0 when * closing the last filehandle, NASTY!. * Added break generation, not tested though! - * Use SA_SHIRQ when request_irq() for ser2 and ser3 (shared with) par0 and par1. + * Use IRQF_SHARED when request_irq() for ser2 and ser3 (shared with) par0 and par1. * You can't use them at the same time (yet..), but you can hopefully switch * between ser2/par0, ser3/par1 with the same kernel config. * Replaced some magic constants with defines @@ -425,7 +425,6 @@ static char *serial_version = "$Revision: 1.25 $"; -#include <linux/config.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/signal.h> @@ -2573,12 +2572,6 @@ static void flush_to_flip_buffer(struct e100_serial *info) DFLIP( if (1) { - - if (test_bit(TTY_DONT_FLIP, &tty->flags)) { - DEBUG_LOG(info->line, "*** TTY_DONT_FLIP set flip.count %i ***\n", tty->flip.count); - DEBUG_LOG(info->line, "*** recv_cnt %i\n", info->recv_cnt); - } else { - } DEBUG_LOG(info->line, "*** rxtot %i\n", info->icount.rx); DEBUG_LOG(info->line, "ldisc %lu\n", tty->ldisc.chars_in_buffer(tty)); DEBUG_LOG(info->line, "room %lu\n", tty->ldisc.receive_room(tty)); @@ -4884,7 +4877,7 @@ rs_init(void) driver->init_termios = tty_std_termios; driver->init_termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL; /* is normally B9600 default... */ - driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS; + driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; driver->termios = serial_termios; driver->termios_locked = serial_termios_locked; @@ -4949,55 +4942,55 @@ rs_init(void) /* Not needed in simulator. May only complicate stuff. */ /* hook the irq's for DMA channel 6 and 7, serial output and input, and some more... */ - if (request_irq(SERIAL_IRQ_NBR, ser_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial ", NULL)) + if (request_irq(SERIAL_IRQ_NBR, ser_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial ", NULL)) panic("irq8"); #ifdef CONFIG_ETRAX_SERIAL_PORT0 #ifdef CONFIG_ETRAX_SERIAL_PORT0_DMA6_OUT - if (request_irq(SER0_DMA_TX_IRQ_NBR, tr_interrupt, SA_INTERRUPT, "serial 0 dma tr", NULL)) + if (request_irq(SER0_DMA_TX_IRQ_NBR, tr_interrupt, IRQF_DISABLED, "serial 0 dma tr", NULL)) panic("irq22"); #endif #ifdef CONFIG_ETRAX_SERIAL_PORT0_DMA7_IN - if (request_irq(SER0_DMA_RX_IRQ_NBR, rec_interrupt, SA_INTERRUPT, "serial 0 dma rec", NULL)) + if (request_irq(SER0_DMA_RX_IRQ_NBR, rec_interrupt, IRQF_DISABLED, "serial 0 dma rec", NULL)) panic("irq23"); #endif #endif #ifdef CONFIG_ETRAX_SERIAL_PORT1 #ifdef CONFIG_ETRAX_SERIAL_PORT1_DMA8_OUT - if (request_irq(SER1_DMA_TX_IRQ_NBR, tr_interrupt, SA_INTERRUPT, "serial 1 dma tr", NULL)) + if (request_irq(SER1_DMA_TX_IRQ_NBR, tr_interrupt, IRQF_DISABLED, "serial 1 dma tr", NULL)) panic("irq24"); #endif #ifdef CONFIG_ETRAX_SERIAL_PORT1_DMA9_IN - if (request_irq(SER1_DMA_RX_IRQ_NBR, rec_interrupt, SA_INTERRUPT, "serial 1 dma rec", NULL)) + if (request_irq(SER1_DMA_RX_IRQ_NBR, rec_interrupt, IRQF_DISABLED, "serial 1 dma rec", NULL)) panic("irq25"); #endif #endif #ifdef CONFIG_ETRAX_SERIAL_PORT2 /* DMA Shared with par0 (and SCSI0 and ATA) */ #ifdef CONFIG_ETRAX_SERIAL_PORT2_DMA2_OUT - if (request_irq(SER2_DMA_TX_IRQ_NBR, tr_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial 2 dma tr", NULL)) + if (request_irq(SER2_DMA_TX_IRQ_NBR, tr_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial 2 dma tr", NULL)) panic("irq18"); #endif #ifdef CONFIG_ETRAX_SERIAL_PORT2_DMA3_IN - if (request_irq(SER2_DMA_RX_IRQ_NBR, rec_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial 2 dma rec", NULL)) + if (request_irq(SER2_DMA_RX_IRQ_NBR, rec_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial 2 dma rec", NULL)) panic("irq19"); #endif #endif #ifdef CONFIG_ETRAX_SERIAL_PORT3 /* DMA Shared with par1 (and SCSI1 and Extern DMA 0) */ #ifdef CONFIG_ETRAX_SERIAL_PORT3_DMA4_OUT - if (request_irq(SER3_DMA_TX_IRQ_NBR, tr_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial 3 dma tr", NULL)) + if (request_irq(SER3_DMA_TX_IRQ_NBR, tr_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial 3 dma tr", NULL)) panic("irq20"); #endif #ifdef CONFIG_ETRAX_SERIAL_PORT3_DMA5_IN - if (request_irq(SER3_DMA_RX_IRQ_NBR, rec_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial 3 dma rec", NULL)) + if (request_irq(SER3_DMA_RX_IRQ_NBR, rec_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial 3 dma rec", NULL)) panic("irq21"); #endif #endif #ifdef CONFIG_ETRAX_SERIAL_FLUSH_DMA_FAST - if (request_irq(TIMER1_IRQ_NBR, timeout_interrupt, SA_SHIRQ | SA_INTERRUPT, + if (request_irq(TIMER1_IRQ_NBR, timeout_interrupt, IRQF_SHARED | IRQF_DISABLED, "fast serial dma timeout", NULL)) { printk(KERN_CRIT "err: timer1 irq\n"); } diff --git a/drivers/serial/crisv10.h b/drivers/serial/crisv10.h index 1800c0e7531..f30b93d6ef7 100644 --- a/drivers/serial/crisv10.h +++ b/drivers/serial/crisv10.h @@ -7,7 +7,6 @@ #ifndef _ETRAX_SERIAL_H #define _ETRAX_SERIAL_H -#include <linux/config.h> #include <linux/circ_buf.h> #include <asm/termios.h> diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c index bf71bad5c34..8a98aae80e2 100644 --- a/drivers/serial/dz.c +++ b/drivers/serial/dz.c @@ -26,7 +26,6 @@ #undef DEBUG_DZ -#include <linux/config.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/init.h> @@ -674,7 +673,7 @@ static void dz_reset(struct dz_port *dport) } #ifdef CONFIG_SERIAL_DZ_CONSOLE -static void dz_console_putchar(struct uart_port *port, int ch) +static void dz_console_putchar(struct uart_port *uport, int ch) { struct dz_port *dport = (struct dz_port *)uport; unsigned long flags; @@ -768,11 +767,7 @@ void __init dz_serial_console_init(void) static struct uart_driver dz_reg = { .owner = THIS_MODULE, .driver_name = "serial", -#ifdef CONFIG_DEVFS - .dev_name = "tts/%d", -#else .dev_name = "ttyS%d", -#endif .major = TTY_MAJOR, .minor = 64, .nr = DZ_NB_PORT, @@ -802,7 +797,7 @@ int __init dz_init(void) restore_flags(flags); if (request_irq(dz_ports[0].port.irq, dz_interrupt, - SA_INTERRUPT, "DZ", &dz_ports[0])) + IRQF_DISABLED, "DZ", &dz_ports[0])) panic("Unable to register DZ interrupt"); ret = uart_register_driver(&dz_reg); diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c index 144a7a352b2..a3c00a25214 100644 --- a/drivers/serial/icom.c +++ b/drivers/serial/icom.c @@ -24,7 +24,6 @@ */ #define SERIAL_DO_RESTART #include <linux/module.h> -#include <linux/config.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/signal.h> @@ -1564,7 +1563,7 @@ static int __devinit icom_probe(struct pci_dev *dev, /* save off irq and request irq line */ if ( (retval = request_irq(dev->irq, icom_interrupt, - SA_INTERRUPT | SA_SHIRQ, ICOM_DRIVER_NAME, + IRQF_DISABLED | IRQF_SHARED, ICOM_DRIVER_NAME, (void *) icom_adapter))) { goto probe_exit2; } diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index d202eb4f384..4a142d6b8f3 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -25,7 +25,6 @@ * [29-Mar-2005] Mike Lee * Added hardware handshake */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_IMX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -405,7 +404,7 @@ static int imx_startup(struct uart_port *port) if (retval) goto error_out2; retval = request_irq(sport->rtsirq, imx_rtsint, - SA_TRIGGER_FALLING | SA_TRIGGER_RISING, + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, DRIVER_NAME, sport); if (retval) goto error_out3; @@ -888,7 +887,6 @@ static struct uart_driver imx_reg = { .owner = THIS_MODULE, .driver_name = DRIVER_NAME, .dev_name = "ttySMX", - .devfs_name = "ttsmx/", .major = SERIAL_IMX_MAJOR, .minor = MINOR_START, .nr = ARRAY_SIZE(imx_ports), diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c index 717e47bbd78..576ca1eaa2b 100644 --- a/drivers/serial/ioc4_serial.c +++ b/drivers/serial/ioc4_serial.c @@ -2855,7 +2855,7 @@ ioc4_serial_attach_one(struct ioc4_driver_data *idd) control->ic_soft = soft; /* Hook up interrupt handler */ - if (!request_irq(idd->idd_pdev->irq, ioc4_intr, SA_SHIRQ, + if (!request_irq(idd->idd_pdev->irq, ioc4_intr, IRQF_SHARED, "sgi-ioc4serial", soft)) { control->ic_irq = idd->idd_pdev->irq; } else { diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c index 651772474ac..5ff269fb604 100644 --- a/drivers/serial/ip22zilog.c +++ b/drivers/serial/ip22zilog.c @@ -12,7 +12,6 @@ * Copyright (C) 2002 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 2002 David S. Miller (davem@redhat.com) */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> @@ -1085,7 +1084,6 @@ static struct console ip22zilog_console = { static struct uart_driver ip22zilog_reg = { .owner = THIS_MODULE, .driver_name = "serial", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, .minor = 64, @@ -1145,9 +1143,8 @@ static void __init ip22zilog_prepare(void) up[(chip * 2) + 1].port.fifosize = 1; up[(chip * 2) + 1].port.ops = &ip22zilog_pops; up[(chip * 2) + 1].port.type = PORT_IP22ZILOG; - up[(chip * 2) + 1].port.flags |= IP22ZILOG_FLAG_IS_CHANNEL_A; up[(chip * 2) + 1].port.line = (chip * 2) + 1; - up[(chip * 2) + 1].flags = 0; + up[(chip * 2) + 1].flags |= IP22ZILOG_FLAG_IS_CHANNEL_A; } } diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c index b3e1f71be4d..244f63be3a0 100644 --- a/drivers/serial/jsm/jsm_driver.c +++ b/drivers/serial/jsm/jsm_driver.c @@ -121,7 +121,7 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent) } rc = request_irq(brd->irq, brd->bd_ops->intr, - SA_INTERRUPT|SA_SHIRQ, "JSM", brd); + IRQF_DISABLED|IRQF_SHARED, "JSM", brd); if (rc) { printk(KERN_WARNING "Failed to hook IRQ %d\n",brd->irq); goto out_iounmap; diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c index 7d823705193..f8262e6ad8d 100644 --- a/drivers/serial/jsm/jsm_tty.c +++ b/drivers/serial/jsm/jsm_tty.c @@ -589,13 +589,6 @@ void jsm_input(struct jsm_channel *ch) ld = tty_ldisc_ref(tp); /* - * If the DONT_FLIP flag is on, don't flush our buffer, and act - * like the ld doesn't have any space to put the data right now. - */ - if (test_bit(TTY_DONT_FLIP, &tp->flags)) - len = 0; - - /* * If we were unable to get a reference to the ld, * don't flush our buffer, and act like the ld doesn't * have any space to put the data right now. diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c index 321a40f33b5..e7fe4bb46ec 100644 --- a/drivers/serial/m32r_sio.c +++ b/drivers/serial/m32r_sio.c @@ -25,7 +25,6 @@ * membase is an 'ioremapped' cookie. This is compatible with the old * serial.c driver, and is currently the preferred form. */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_M32R_SIO_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -543,7 +542,7 @@ static void serial_do_unlink(struct irq_info *i, struct uart_sio_port *up) static int serial_link_irq_chain(struct uart_sio_port *up) { struct irq_info *i = irq_lists + up->port.irq; - int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? SA_SHIRQ : 0; + int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0; spin_lock_irq(&i->lock); @@ -1131,7 +1130,6 @@ console_initcall(m32r_sio_console_init); static struct uart_driver m32r_sio_reg = { .owner = THIS_MODULE, .driver_name = "sio", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, .minor = 64, diff --git a/drivers/serial/m32r_sio.h b/drivers/serial/m32r_sio.h index 7c3ec24f7e5..849f1b2c253 100644 --- a/drivers/serial/m32r_sio.h +++ b/drivers/serial/m32r_sio.h @@ -15,7 +15,6 @@ * (at your option) any later version. */ -#include <linux/config.h> struct m32r_sio_probe { struct module *owner; diff --git a/drivers/serial/m32r_sio_reg.h b/drivers/serial/m32r_sio_reg.h index 9c864529451..4671473793e 100644 --- a/drivers/serial/m32r_sio_reg.h +++ b/drivers/serial/m32r_sio_reg.h @@ -15,7 +15,6 @@ #ifndef _M32R_SIO_REG_H #define _M32R_SIO_REG_H -#include <linux/config.h> #ifdef CONFIG_SERIAL_M32R_PLDSIO diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c index 8cbbb954df2..832abd3c470 100644 --- a/drivers/serial/mcfserial.c +++ b/drivers/serial/mcfserial.c @@ -60,11 +60,11 @@ struct timer_list mcfrs_timer_struct; #if defined(CONFIG_HW_FEITH) #define CONSOLE_BAUD_RATE 38400 #define DEFAULT_CBAUD B38400 -#elif defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB) +#elif defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB) || defined(CONFIG_M5329EVB) #define CONSOLE_BAUD_RATE 115200 #define DEFAULT_CBAUD B115200 #elif defined(CONFIG_ARNEWSH) || defined(CONFIG_FREESCALE) || \ - defined(CONFIG_senTec) || defined(CONFIG_SNEHA) + defined(CONFIG_senTec) || defined(CONFIG_SNEHA) || defined(CONFIG_AVNET) #define CONSOLE_BAUD_RATE 19200 #define DEFAULT_CBAUD B19200 #endif @@ -93,7 +93,7 @@ static struct tty_driver *mcfrs_serial_driver; #undef SERIAL_DEBUG_FLOW #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) + defined(CONFIG_M520x) || defined(CONFIG_M532x) #define IRQBASE (MCFINT_VECBASE+MCFINT_UART0) #else #define IRQBASE 73 @@ -1545,6 +1545,28 @@ static void mcfrs_irqinit(struct mcf_serial *info) *feci2c_par |= MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2 | MCF_GPIO_PAR_FECI2C_PAR_SDA_URXD2; } +#elif defined(CONFIG_M532x) + volatile unsigned char *uartp; + uartp = info->addr; + switch (info->line) { + case 0: + MCF_INTC0_ICR26 = 0x3; + MCF_INTC0_CIMR = 26; + /* GPIO initialization */ + MCF_GPIO_PAR_UART |= 0x000F; + break; + case 1: + MCF_INTC0_ICR27 = 0x3; + MCF_INTC0_CIMR = 27; + /* GPIO initialization */ + MCF_GPIO_PAR_UART |= 0x0FF0; + break; + case 2: + MCF_INTC0_ICR28 = 0x3; + MCF_INTC0_CIMR = 28; + /* GPIOs also must be initalized, depends on board */ + break; + } #else volatile unsigned char *icrp, *uartp; @@ -1574,7 +1596,7 @@ static void mcfrs_irqinit(struct mcf_serial *info) /* Clear mask, so no surprise interrupts. */ uartp[MCFUART_UIMR] = 0; - if (request_irq(info->irq, mcfrs_interrupt, SA_INTERRUPT, + if (request_irq(info->irq, mcfrs_interrupt, IRQF_DISABLED, "ColdFire UART", NULL)) { printk("MCFRS: Unable to attach ColdFire UART %d interrupt " "vector=%d\n", info->line, info->irq); @@ -1691,7 +1713,6 @@ mcfrs_init(void) /* Initialize the tty_driver structure */ mcfrs_serial_driver->owner = THIS_MODULE; mcfrs_serial_driver->name = "ttyS"; - mcfrs_serial_driver->devfs_name = "ttys/"; mcfrs_serial_driver->driver_name = "serial"; mcfrs_serial_driver->major = TTY_MAJOR; mcfrs_serial_driver->minor_start = 64; diff --git a/drivers/serial/mcfserial.h b/drivers/serial/mcfserial.h index a2b28e8629f..56420e2cb11 100644 --- a/drivers/serial/mcfserial.h +++ b/drivers/serial/mcfserial.h @@ -14,7 +14,6 @@ #ifndef _MCF_SERIAL_H #define _MCF_SERIAL_H -#include <linux/config.h> #include <linux/serial.h> #ifdef __KERNEL__ diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 6459edc7f5c..7708e5dd365 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -44,7 +44,6 @@ * will be mapped to. */ -#include <linux/config.h> #include <linux/platform_device.h> #include <linux/module.h> #include <linux/tty.h> @@ -191,7 +190,7 @@ mpc52xx_uart_startup(struct uart_port *port) /* Request IRQ */ ret = request_irq(port->irq, mpc52xx_uart_int, - SA_INTERRUPT | SA_SAMPLE_RANDOM, "mpc52xx_psc_uart", port); + IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "mpc52xx_psc_uart", port); if (ret) return ret; @@ -693,7 +692,6 @@ static struct uart_driver mpc52xx_uart_driver = { .owner = THIS_MODULE, .driver_name = "mpc52xx_psc_uart", .dev_name = "ttyPSC", - .devfs_name = "ttyPSC", .major = SERIAL_PSC_MAJOR, .minor = SERIAL_PSC_MINOR, .nr = MPC52xx_PSC_MAXNUM, @@ -728,8 +726,7 @@ mpc52xx_uart_probe(struct platform_device *dev) spin_lock_init(&port->lock); port->uartclk = __res.bi_ipbfreq / 2; /* Look at CTLR doc */ - port->fifosize = 255; /* Should be 512 ! But it can't be */ - /* stored in a unsigned char */ + port->fifosize = 512; port->iotype = UPIO_MEM; port->flags = UPF_BOOT_AUTOCONF | ( uart_console(port) ? 0 : UPF_IOREMAP ); diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index 94681922ea0..63d2a66e563 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -50,7 +50,6 @@ * 4) AFAICT, hardware flow control isn't supported by the controller --MAG. */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_MPSC_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -315,7 +314,6 @@ struct mpsc_port_info *mpsc_device_remove(int index); #define MPSC_MAJOR 204 #define MPSC_MINOR_START 44 #define MPSC_DRIVER_NAME "MPSC" -#define MPSC_DEVFS_NAME "ttymm/" #define MPSC_DEV_NAME "ttyMM" #define MPSC_VERSION "1.00" @@ -1414,7 +1412,7 @@ mpsc_startup(struct uart_port *port) /* If irq's are shared, need to set flag */ if (mpsc_ports[0].port.irq == mpsc_ports[1].port.irq) - flag = SA_SHIRQ; + flag = IRQF_SHARED; if (request_irq(pi->port.irq, mpsc_sdma_intr, flag, "mpsc-sdma", pi)) @@ -1863,7 +1861,6 @@ static struct platform_driver mpsc_shared_driver = { static struct uart_driver mpsc_reg = { .owner = THIS_MODULE, .driver_name = MPSC_DRIVER_NAME, - .devfs_name = MPSC_DEVFS_NAME, .dev_name = MPSC_DEV_NAME, .major = MPSC_MAJOR, .minor = MPSC_MINOR_START, diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c index 64c0e89124c..4a1c9983f38 100644 --- a/drivers/serial/mux.c +++ b/drivers/serial/mux.c @@ -16,7 +16,6 @@ ** */ -#include <linux/config.h> #include <linux/module.h> #include <linux/tty.h> #include <linux/ioport.h> diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c index 513ff859770..a3b99caf80e 100644 --- a/drivers/serial/pmac_zilog.c +++ b/drivers/serial/pmac_zilog.c @@ -42,7 +42,6 @@ #undef DEBUG_HARD #undef USE_CTRL_O_SYSRQ -#include <linux/config.h> #include <linux/module.h> #include <linux/tty.h> @@ -101,7 +100,6 @@ static DEFINE_MUTEX(pmz_irq_mutex); static struct uart_driver pmz_uart_reg = { .owner = THIS_MODULE, .driver_name = "ttyS", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, }; @@ -936,7 +934,7 @@ static int pmz_startup(struct uart_port *port) } pmz_get_port_A(uap)->flags |= PMACZILOG_FLAG_IS_IRQ_ON; - if (request_irq(uap->port.irq, pmz_interrupt, SA_SHIRQ, "PowerMac Zilog", uap)) { + if (request_irq(uap->port.irq, pmz_interrupt, IRQF_SHARED, "PowerMac Zilog", uap)) { dev_err(&uap->dev->ofdev.dev, "Unable to register zs interrupt handler.\n"); pmz_set_scc_power(uap, 0); @@ -1402,8 +1400,8 @@ static struct uart_ops pmz_pops = { static int __init pmz_init_port(struct uart_pmac_port *uap) { struct device_node *np = uap->node; - char *conn; - struct slot_names_prop { + const char *conn; + const struct slot_names_prop { int count; char name[1]; } *slots; @@ -1445,8 +1443,8 @@ static int __init pmz_init_port(struct uart_pmac_port *uap) uap->flags &= ~PMACZILOG_FLAG_HAS_DMA; goto no_dma; } - uap->tx_dma_irq = np->intrs[1].line; - uap->rx_dma_irq = np->intrs[2].line; + uap->tx_dma_irq = irq_of_parse_and_map(np, 1); + uap->rx_dma_irq = irq_of_parse_and_map(np, 2); } no_dma: @@ -1460,7 +1458,7 @@ no_dma: uap->flags |= PMACZILOG_FLAG_IS_IRDA; uap->port_type = PMAC_SCC_ASYNC; /* 1999 Powerbook G3 has slot-names property instead */ - slots = (struct slot_names_prop *)get_property(np, "slot-names", &len); + slots = get_property(np, "slot-names", &len); if (slots && slots->count > 0) { if (strcmp(slots->name, "IrDA") == 0) uap->flags |= PMACZILOG_FLAG_IS_IRDA; @@ -1472,7 +1470,8 @@ no_dma: if (ZS_IS_INTMODEM(uap)) { struct device_node* i2c_modem = find_devices("i2c-modem"); if (i2c_modem) { - char* mid = get_property(i2c_modem, "modem-id", NULL); + const char* mid = + get_property(i2c_modem, "modem-id", NULL); if (mid) switch(*mid) { case 0x04 : case 0x05 : @@ -1493,7 +1492,7 @@ no_dma: * Init remaining bits of "port" structure */ uap->port.iotype = UPIO_MEM; - uap->port.irq = np->intrs[0].line; + uap->port.irq = irq_of_parse_and_map(np, 0); uap->port.uartclk = ZS_CLOCK; uap->port.fifosize = 1; uap->port.ops = &pmz_pops; diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c index ae364956854..a720953a404 100644 --- a/drivers/serial/pxa.c +++ b/drivers/serial/pxa.c @@ -24,7 +24,6 @@ * with the serial core maintainer satisfaction to appear soon. */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_PXA_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -390,7 +389,7 @@ static int serial_pxa_startup(struct uart_port *port) /* * Finally, enable interrupts. Note: Modem status interrupts - * are set via set_termios(), which will be occuring imminently + * are set via set_termios(), which will be occurring imminently * anyway, so we don't enable them here. */ up->ier = UART_IER_RLSI | UART_IER_RDI | UART_IER_RTOIE | UART_IER_UUE; @@ -780,7 +779,6 @@ static struct uart_pxa_port serial_pxa_ports[] = { static struct uart_driver serial_pxa_reg = { .owner = THIS_MODULE, .driver_name = "PXA serial", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, .minor = 64, diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c index 53c2465bad2..95738a19cde 100644 --- a/drivers/serial/s3c2410.c +++ b/drivers/serial/s3c2410.c @@ -55,7 +55,6 @@ * BJD, 04-Nov-2004 */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_S3C2410_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -149,7 +148,6 @@ s3c24xx_serial_dbg(const char *fmt, ...) /* UART name and device definitions */ #define S3C24XX_SERIAL_NAME "ttySAC" -#define S3C24XX_SERIAL_DEVFS "tts/" #define S3C24XX_SERIAL_MAJOR 204 #define S3C24XX_SERIAL_MINOR 64 @@ -872,6 +870,8 @@ static const char *s3c24xx_serial_type(struct uart_port *port) return "S3C2410"; case PORT_S3C2440: return "S3C2440"; + case PORT_S3C2412: + return "S3C2412"; default: return NULL; } @@ -950,7 +950,6 @@ static struct uart_driver s3c24xx_uart_drv = { .nr = 3, .cons = S3C24XX_SERIAL_CONSOLE, .driver_name = S3C24XX_SERIAL_NAME, - .devfs_name = S3C24XX_SERIAL_DEVFS, .major = S3C24XX_SERIAL_MAJOR, .minor = S3C24XX_SERIAL_MINOR, }; @@ -1528,6 +1527,141 @@ static inline void s3c2440_serial_exit(void) #define s3c2440_uart_inf_at NULL #endif /* CONFIG_CPU_S3C2440 */ +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) + +static int s3c2412_serial_setsource(struct uart_port *port, + struct s3c24xx_uart_clksrc *clk) +{ + unsigned long ucon = rd_regl(port, S3C2410_UCON); + + ucon &= ~S3C2412_UCON_CLKMASK; + + if (strcmp(clk->name, "uclk") == 0) + ucon |= S3C2440_UCON_UCLK; + else if (strcmp(clk->name, "pclk") == 0) + ucon |= S3C2440_UCON_PCLK; + else if (strcmp(clk->name, "usysclk") == 0) + ucon |= S3C2412_UCON_USYSCLK; + else { + printk(KERN_ERR "unknown clock source %s\n", clk->name); + return -EINVAL; + } + + wr_regl(port, S3C2410_UCON, ucon); + return 0; +} + + +static int s3c2412_serial_getsource(struct uart_port *port, + struct s3c24xx_uart_clksrc *clk) +{ + unsigned long ucon = rd_regl(port, S3C2410_UCON); + + switch (ucon & S3C2412_UCON_CLKMASK) { + case S3C2412_UCON_UCLK: + clk->divisor = 1; + clk->name = "uclk"; + break; + + case S3C2412_UCON_PCLK: + case S3C2412_UCON_PCLK2: + clk->divisor = 1; + clk->name = "pclk"; + break; + + case S3C2412_UCON_USYSCLK: + clk->divisor = 1; + clk->name = "usysclk"; + break; + } + + return 0; +} + +static int s3c2412_serial_resetport(struct uart_port *port, + struct s3c2410_uartcfg *cfg) +{ + unsigned long ucon = rd_regl(port, S3C2410_UCON); + + dbg("%s: port=%p (%08lx), cfg=%p\n", + __FUNCTION__, port, port->mapbase, cfg); + + /* ensure we don't change the clock settings... */ + + ucon &= S3C2412_UCON_CLKMASK; + + wr_regl(port, S3C2410_UCON, ucon | cfg->ucon); + wr_regl(port, S3C2410_ULCON, cfg->ulcon); + + /* reset both fifos */ + + wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH); + wr_regl(port, S3C2410_UFCON, cfg->ufcon); + + return 0; +} + +static struct s3c24xx_uart_info s3c2412_uart_inf = { + .name = "Samsung S3C2412 UART", + .type = PORT_S3C2412, + .fifosize = 64, + .rx_fifomask = S3C2440_UFSTAT_RXMASK, + .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT, + .rx_fifofull = S3C2440_UFSTAT_RXFULL, + .tx_fifofull = S3C2440_UFSTAT_TXFULL, + .tx_fifomask = S3C2440_UFSTAT_TXMASK, + .tx_fifoshift = S3C2440_UFSTAT_TXSHIFT, + .get_clksrc = s3c2412_serial_getsource, + .set_clksrc = s3c2412_serial_setsource, + .reset_port = s3c2412_serial_resetport, +}; + +/* device management */ + +static int s3c2412_serial_probe(struct platform_device *dev) +{ + dbg("s3c2440_serial_probe: dev=%p\n", dev); + return s3c24xx_serial_probe(dev, &s3c2412_uart_inf); +} + +static struct platform_driver s3c2412_serial_drv = { + .probe = s3c2412_serial_probe, + .remove = s3c24xx_serial_remove, + .suspend = s3c24xx_serial_suspend, + .resume = s3c24xx_serial_resume, + .driver = { + .name = "s3c2412-uart", + .owner = THIS_MODULE, + }, +}; + + +static inline int s3c2412_serial_init(void) +{ + return s3c24xx_serial_init(&s3c2412_serial_drv, &s3c2412_uart_inf); +} + +static inline void s3c2412_serial_exit(void) +{ + platform_driver_unregister(&s3c2412_serial_drv); +} + +#define s3c2412_uart_inf_at &s3c2412_uart_inf +#else + +static inline int s3c2412_serial_init(void) +{ + return 0; +} + +static inline void s3c2412_serial_exit(void) +{ +} + +#define s3c2412_uart_inf_at NULL +#endif /* CONFIG_CPU_S3C2440 */ + + /* module initialisation code */ static int __init s3c24xx_serial_modinit(void) @@ -1542,6 +1676,7 @@ static int __init s3c24xx_serial_modinit(void) s3c2400_serial_init(); s3c2410_serial_init(); + s3c2412_serial_init(); s3c2440_serial_init(); return 0; @@ -1551,6 +1686,7 @@ static void __exit s3c24xx_serial_modexit(void) { s3c2400_serial_exit(); s3c2410_serial_exit(); + s3c2412_serial_exit(); s3c2440_serial_exit(); uart_unregister_driver(&s3c24xx_uart_drv); @@ -1773,6 +1909,8 @@ static int s3c24xx_serial_initconsole(void) info = s3c2410_uart_inf_at; } else if (strcmp(dev->name, "s3c2440-uart") == 0) { info = s3c2440_uart_inf_at; + } else if (strcmp(dev->name, "s3c2412-uart") == 0) { + info = s3c2412_uart_inf_at; } else { printk(KERN_ERR "s3c24xx: no driver for %s\n", dev->name); return 0; @@ -1796,4 +1934,4 @@ console_initcall(s3c24xx_serial_initconsole); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); -MODULE_DESCRIPTION("Samsung S3C2410/S3C2440 Serial port driver"); +MODULE_DESCRIPTION("Samsung S3C2410/S3C2440/S3C2412 Serial port driver"); diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c index c2d9068b491..db3486d3387 100644 --- a/drivers/serial/sa1100.c +++ b/drivers/serial/sa1100.c @@ -24,7 +24,6 @@ * $Id: sa1100.c,v 1.50 2002/07/29 14:41:04 rmk Exp $ * */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_SA1100_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -816,7 +815,6 @@ static struct uart_driver sa1100_reg = { .owner = THIS_MODULE, .driver_name = "ttySA", .dev_name = "ttySA", - .devfs_name = "ttySA", .major = SERIAL_SA1100_MAJOR, .minor = MINOR_START, .nr = NR_PORTS, diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 17839e753e4..5f7ba1adb30 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -22,7 +22,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/config.h> #include <linux/module.h> #include <linux/tty.h> #include <linux/slab.h> @@ -50,6 +49,12 @@ */ static DEFINE_MUTEX(port_mutex); +/* + * lockdep: port->lock is initialized in two places, but we + * want only one lock-class: + */ +static struct lock_class_key port_lock_key; + #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8) #define uart_users(state) ((state)->count + ((state)->info ? (state)->info->blocked_open : 0)) @@ -691,7 +696,8 @@ static int uart_set_info(struct uart_state *state, (new_serial.baud_base != port->uartclk / 16) || (close_delay != state->close_delay) || (closing_wait != state->closing_wait) || - (new_serial.xmit_fifo_size != port->fifosize) || + (new_serial.xmit_fifo_size && + new_serial.xmit_fifo_size != port->fifosize) || (((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0)) goto exit; port->flags = ((port->flags & ~UPF_USR_MASK) | @@ -796,7 +802,8 @@ static int uart_set_info(struct uart_state *state, port->custom_divisor = new_serial.custom_divisor; state->close_delay = close_delay; state->closing_wait = closing_wait; - port->fifosize = new_serial.xmit_fifo_size; + if (new_serial.xmit_fifo_size) + port->fifosize = new_serial.xmit_fifo_size; if (state->info->tty) state->info->tty->low_latency = (port->flags & UPF_LOW_LATENCY) ? 1 : 0; @@ -1866,6 +1873,7 @@ uart_set_options(struct uart_port *port, struct console *co, * early. */ spin_lock_init(&port->lock); + lockdep_set_class(&port->lock, &port_lock_key); memset(&termios, 0, sizeof(struct termios)); @@ -1921,6 +1929,13 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) mutex_lock(&state->mutex); +#ifdef CONFIG_DISABLE_CONSOLE_SUSPEND + if (uart_console(port)) { + mutex_unlock(&state->mutex); + return 0; + } +#endif + if (state->info && state->info->flags & UIF_INITIALIZED) { const struct uart_ops *ops = port->ops; @@ -1959,6 +1974,13 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port) mutex_lock(&state->mutex); +#ifdef CONFIG_DISABLE_CONSOLE_SUSPEND + if (uart_console(port)) { + mutex_unlock(&state->mutex); + return 0; + } +#endif + uart_change_pm(state, 0); /* @@ -2028,6 +2050,7 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port) case UPIO_MEM: case UPIO_MEM32: case UPIO_AU: + case UPIO_TSI: snprintf(address, sizeof(address), "MMIO 0x%lx", port->mapbase); break; @@ -2153,7 +2176,6 @@ int uart_register_driver(struct uart_driver *drv) normal->owner = drv->owner; normal->driver_name = drv->driver_name; - normal->devfs_name = drv->devfs_name; normal->name = drv->dev_name; normal->major = drv->major; normal->minor_start = drv->minor; @@ -2161,7 +2183,7 @@ int uart_register_driver(struct uart_driver *drv) normal->subtype = SERIAL_TYPE_NORMAL; normal->init_termios = tty_std_termios; normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; - normal->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS; + normal->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; normal->driver_state = drv; tty_set_operations(normal, &uart_ops); @@ -2249,8 +2271,10 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port) * If this port is a console, then the spinlock is already * initialised. */ - if (!(uart_console(port) && (port->cons->flags & CON_ENABLED))) + if (!(uart_console(port) && (port->cons->flags & CON_ENABLED))) { spin_lock_init(&port->lock); + lockdep_set_class(&port->lock, &port_lock_key); + } uart_configure_port(drv, state, port); @@ -2312,7 +2336,7 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port) mutex_unlock(&state->mutex); /* - * Remove the devices from devfs + * Remove the devices from the tty layer */ tty_unregister_device(drv->tty_driver, port->line); @@ -2367,6 +2391,9 @@ int uart_match_port(struct uart_port *port1, struct uart_port *port2) return (port1->iobase == port2->iobase) && (port1->hub6 == port2->hub6); case UPIO_MEM: + case UPIO_MEM32: + case UPIO_AU: + case UPIO_TSI: return (port1->mapbase == port2->mapbase); } return 0; diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index 2c70773543e..cbf260bc225 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -786,6 +786,7 @@ static struct pcmcia_device_id serial_ids[] = { PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "COMpad4.cis"), PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "COMpad2.cis"), PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "RS-COM-2P.cis"), + PCMCIA_DEVICE_CIS_MANF_CARD(0x0013, 0x0000, "GLOBETROTTER.cis"), /* too generic */ /* PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0160, 0x0002), */ /* PCMCIA_MFC_DEVICE_MANF_CARD(1, 0x0160, 0x0002), */ diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c index 776d4ff0608..23ddedbaec0 100644 --- a/drivers/serial/serial_lh7a40x.c +++ b/drivers/serial/serial_lh7a40x.c @@ -27,7 +27,6 @@ * */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_LH7A40X_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c index 3bdee64d1a9..b361669f85a 100644 --- a/drivers/serial/serial_txx9.c +++ b/drivers/serial/serial_txx9.c @@ -38,7 +38,6 @@ * Fix some spin_locks. * Do not call uart_add_one_port for absent ports. */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_TXX9_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -69,12 +68,10 @@ static char *serial_name = "TX39/49 Serial driver"; #if !defined(CONFIG_SERIAL_TXX9_STDSERIAL) /* "ttyS" is used for standard serial driver */ #define TXX9_TTY_NAME "ttyTX" -#define TXX9_TTY_DEVFS_NAME "tttx/" #define TXX9_TTY_MINOR_START (64 + 64) /* ttyTX0(128), ttyTX1(129) */ #else /* acts like standard serial driver */ #define TXX9_TTY_NAME "ttyS" -#define TXX9_TTY_DEVFS_NAME "tts/" #define TXX9_TTY_MINOR_START 64 #endif #define TXX9_TTY_MAJOR TTY_MAJOR @@ -498,7 +495,7 @@ static int serial_txx9_startup(struct uart_port *port) sio_out(up, TXX9_SIDISR, 0); retval = request_irq(up->port.irq, serial_txx9_interrupt, - SA_SHIRQ, "serial_txx9", up); + IRQF_SHARED, "serial_txx9", up); if (retval) return retval; @@ -971,7 +968,6 @@ console_initcall(serial_txx9_console_init); static struct uart_driver serial_txx9_reg = { .owner = THIS_MODULE, .driver_name = "serial_txx9", - .devfs_name = TXX9_TTY_DEVFS_NAME, .dev_name = TXX9_TTY_NAME, .major = TXX9_TTY_MAJOR, .minor = TXX9_TTY_MINOR_START, diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 44f6bf79bbe..f336ba6778d 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -3,7 +3,7 @@ * * SuperH on-chip serial module support. (SCI with no FIFO / with FIFO) * - * Copyright (C) 2002, 2003, 2004 Paul Mundt + * Copyright (C) 2002 - 2006 Paul Mundt * * based off of the old drivers/char/sh-sci.c by: * @@ -23,8 +23,6 @@ #include <linux/config.h> #include <linux/module.h> #include <linux/errno.h> -#include <linux/signal.h> -#include <linux/sched.h> #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/tty.h> @@ -33,71 +31,77 @@ #include <linux/major.h> #include <linux/string.h> #include <linux/sysrq.h> -#include <linux/fcntl.h> -#include <linux/ptrace.h> #include <linux/ioport.h> #include <linux/mm.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/console.h> -#include <linux/bitops.h> -#include <linux/generic_serial.h> +#include <linux/platform_device.h> #ifdef CONFIG_CPU_FREQ #include <linux/notifier.h> #include <linux/cpufreq.h> #endif -#include <asm/system.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/uaccess.h> - #if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64) #include <asm/clock.h> -#endif - -#ifdef CONFIG_SH_STANDARD_BIOS #include <asm/sh_bios.h> +#include <asm/kgdb.h> #endif +#include <asm/sci.h> + #if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ #endif #include "sh-sci.h" -#ifdef CONFIG_SH_KGDB -#include <asm/kgdb.h> +struct sci_port { + struct uart_port port; + + /* Port type */ + unsigned int type; + + /* Port IRQs: ERI, RXI, TXI, BRI (optional) */ + unsigned int irqs[SCIx_NR_IRQS]; + + /* Port pin configuration */ + void (*init_pins)(struct uart_port *port, + unsigned int cflag); -static int kgdb_get_char(struct sci_port *port); -static void kgdb_put_char(struct sci_port *port, char c); -static void kgdb_handle_error(struct sci_port *port); + /* Port enable callback */ + void (*enable)(struct uart_port *port); + + /* Port disable callback */ + void (*disable)(struct uart_port *port); + + /* Break timer */ + struct timer_list break_timer; + int break_flag; +}; + +#ifdef CONFIG_SH_KGDB static struct sci_port *kgdb_sci_port; -#endif /* CONFIG_SH_KGDB */ +#endif #ifdef CONFIG_SERIAL_SH_SCI_CONSOLE -static struct sci_port *serial_console_port = 0; -#endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */ +static struct sci_port *serial_console_port; +#endif /* Function prototypes */ 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[]; -static struct uart_driver sci_uart_driver; -#define SCI_NPORTS sci_uart_driver.nr +#define SCI_NPORTS CONFIG_SERIAL_SH_SCI_NR_UARTS -#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB) +static struct sci_port sci_ports[SCI_NPORTS]; +static struct uart_driver sci_uart_driver; -static void handle_error(struct uart_port *port) -{ /* Clear error flags */ +#if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) && \ + defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB) +static inline void handle_error(struct uart_port *port) +{ + /* Clear error flags */ sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); } @@ -107,8 +111,8 @@ static int get_char(struct uart_port *port) unsigned short status; int c; - local_irq_save(flags); - do { + spin_lock_irqsave(&port->lock, flags); + do { status = sci_in(port, SCxSR); if (status & SCxSR_ERRORS(port)) { handle_error(port); @@ -118,38 +122,19 @@ static int get_char(struct uart_port *port) c = sci_in(port, SCxRDR); sci_in(port, SCxSR); /* Dummy read */ sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); - local_irq_restore(flags); + spin_unlock_irqrestore(&port->lock, flags); return c; } - -/* Taken from sh-stub.c of GDB 4.18 */ -static const char hexchars[] = "0123456789abcdef"; - -static __inline__ char highhex(int x) -{ - return hexchars[(x >> 4) & 0xf]; -} - -static __inline__ char lowhex(int x) -{ - return hexchars[x & 0xf]; -} - #endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */ -/* - * Send the packet in buffer. The host gets one chance to read it. - * This routine does not wait for a positive acknowledge. - */ - -#ifdef CONFIG_SERIAL_SH_SCI_CONSOLE +#if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) || defined(CONFIG_SH_KGDB) static void put_char(struct uart_port *port, char c) { unsigned long flags; unsigned short status; - local_irq_save(flags); + spin_lock_irqsave(&port->lock, flags); do { status = sci_in(port, SCxSR); @@ -159,9 +144,11 @@ static void put_char(struct uart_port *port, char c) sci_in(port, SCxSR); /* Dummy read */ sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port)); - local_irq_restore(flags); + spin_unlock_irqrestore(&port->lock, flags); } +#endif +#ifdef CONFIG_SERIAL_SH_SCI_CONSOLE static void put_string(struct sci_port *sci_port, const char *buffer, int count) { struct uart_port *port = &sci_port->port; @@ -214,96 +201,28 @@ static void put_string(struct sci_port *sci_port, const char *buffer, int count) } #endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */ - #ifdef CONFIG_SH_KGDB - -/* Is the SCI ready, ie is there a char waiting? */ -static int kgdb_is_char_ready(struct sci_port *port) -{ - unsigned short status = sci_in(port, SCxSR); - - if (status & (SCxSR_ERRORS(port) | SCxSR_BRK(port))) - kgdb_handle_error(port); - - return (status & SCxSR_RDxF(port)); -} - -/* Write a char */ -static void kgdb_put_char(struct sci_port *port, char c) -{ - unsigned short status; - - do - status = sci_in(port, SCxSR); - while (!(status & SCxSR_TDxE(port))); - - sci_out(port, SCxTDR, c); - sci_in(port, SCxSR); /* Dummy read */ - sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port)); -} - -/* Get a char if there is one, else ret -1 */ -static int kgdb_get_char(struct sci_port *port) -{ - int c; - - if (kgdb_is_char_ready(port) == 0) - c = -1; - else { - c = sci_in(port, SCxRDR); - sci_in(port, SCxSR); /* Dummy read */ - sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); - } - - return c; -} - -/* Called from kgdbstub.c to get a character, i.e. is blocking */ static int kgdb_sci_getchar(void) { - volatile int c; + int c; /* Keep trying to read a character, this could be neater */ - while ((c = kgdb_get_char(kgdb_sci_port)) < 0); + while ((c = get_char(kgdb_sci_port)) < 0) + cpu_relax(); return c; } -/* Called from kgdbstub.c to put a character, just a wrapper */ -static void kgdb_sci_putchar(int c) -{ - - kgdb_put_char(kgdb_sci_port, c); -} - -/* Clear any errors on the SCI */ -static void kgdb_handle_error(struct sci_port *port) +static inline void kgdb_sci_putchar(int c) { - sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); /* Clear error flags */ + put_char(kgdb_sci_port, c); } - -/* Breakpoint if there's a break sent on the serial port */ -static void kgdb_break_interrupt(int irq, void *ptr, struct pt_regs *regs) -{ - struct sci_port *port = ptr; - unsigned short status = sci_in(port, SCxSR); - - if (status & SCxSR_BRK(port)) { - - /* Break into the debugger if a break is detected */ - BREAKPOINT(); - - /* Clear */ - sci_out(port, SCxSR, SCxSR_BREAK_CLEAR(port)); - } -} - #endif /* CONFIG_SH_KGDB */ #if defined(__H8300S__) enum { sci_disable, sci_enable }; -static void h8300_sci_enable(struct uart_port* port, unsigned int ctrl) +static void h8300_sci_config(struct uart_port* port, unsigned int ctrl) { volatile unsigned char *mstpcrl=(volatile unsigned char *)MSTPCRL; int ch = (port->mapbase - SMR0) >> 3; @@ -315,32 +234,66 @@ static void h8300_sci_enable(struct uart_port* port, unsigned int ctrl) *mstpcrl &= ~mask; } } + +static inline void h8300_sci_enable(struct uart_port *port) +{ + h8300_sci_config(port, sci_enable); +} + +static inline void h8300_sci_disable(struct uart_port *port) +{ + h8300_sci_config(port, sci_disable); +} #endif -#if defined(SCI_ONLY) || defined(SCI_AND_SCIF) -#if defined(__H8300H__) || defined(__H8300S__) +#if defined(SCI_ONLY) || defined(SCI_AND_SCIF) && \ + defined(__H8300H__) || defined(__H8300S__) static void sci_init_pins_sci(struct uart_port* port, unsigned int cflag) { int ch = (port->mapbase - SMR0) >> 3; /* 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); + 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; } +#else +#define sci_init_pins_sci NULL +#endif + +#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; + + if (cflag & CRTSCTS) + fcr_val |= SCFCR_MCE; + + sci_out(port, SCFCR, fcr_val); +} +#else +#define sci_init_pins_irda NULL #endif + +#ifdef SCI_ONLY +#define sci_init_pins_scif NULL #endif #if defined(SCIF_ONLY) || defined(SCI_AND_SCIF) -#if defined(CONFIG_CPU_SUBTYPE_SH7300) +#if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7710) /* 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 */ +/* For SH7705, SH7706, SH7707, SH7709, SH7709A, SH7729 */ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) { unsigned int fcr_val = 0; @@ -367,20 +320,7 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) 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; - - if (cflag & CRTSCTS) - fcr_val |= SCFCR_MCE; - - sci_out(port, SCFCR, fcr_val); -} -#endif #else - /* For SH7750 */ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) { @@ -389,7 +329,9 @@ 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 +#ifdef CONFIG_CPU_SUBTYPE_SH7343 + /* Nothing */ +#elif defined(CONFIG_CPU_SUBTYPE_SH7780) ctrl_outw(0x0080, SCSPTR0); /* Set RTS = 1 */ #else ctrl_outw(0x0080, SCSPTR2); /* Set RTS = 1 */ @@ -397,10 +339,41 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) } sci_out(port, SCFCR, fcr_val); } +#endif + +#if defined(CONFIG_CPU_SUBTYPE_SH7760) || defined(CONFIG_CPU_SUBTYPE_SH7780) +static inline int scif_txroom(struct uart_port *port) +{ + return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0x7f); +} + +static inline int scif_rxroom(struct uart_port *port) +{ + return sci_in(port, SCRFDR) & 0x7f; +} +#else +static inline int scif_txroom(struct uart_port *port) +{ + return SCIF_TXROOM_MAX - (sci_in(port, SCFDR) >> 8); +} +static inline int scif_rxroom(struct uart_port *port) +{ + return sci_in(port, SCFDR) & SCIF_RFDC_MASK; +} #endif #endif /* SCIF_ONLY || SCI_AND_SCIF */ +static inline int sci_txroom(struct uart_port *port) +{ + return ((sci_in(port, SCxSR) & SCI_TDRE) != 0); +} + +static inline int sci_rxroom(struct uart_port *port) +{ + return ((sci_in(port, SCxSR) & SCxSR_RDxF(port)) != 0); +} + /* ********************************************************************** * * the interrupt related routines * * ********************************************************************** */ @@ -409,14 +382,12 @@ static void sci_transmit_chars(struct uart_port *port) { struct circ_buf *xmit = &port->info->xmit; unsigned int stopped = uart_tx_stopped(port); - unsigned long flags; unsigned short status; unsigned short ctrl; - int count, txroom; + int count; status = sci_in(port, SCxSR); if (!(status & SCxSR_TDxE(port))) { - local_irq_save(flags); ctrl = sci_in(port, SCSCR); if (uart_circ_empty(xmit)) { ctrl &= ~SCI_CTRL_FLAGS_TIE; @@ -424,25 +395,15 @@ static void sci_transmit_chars(struct uart_port *port) ctrl |= SCI_CTRL_FLAGS_TIE; } sci_out(port, SCSCR, ctrl); - local_irq_restore(flags); return; } -#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; - } -#else - txroom = (sci_in(port, SCxSR) & SCI_TDRE)?1:0; +#ifndef SCI_ONLY + if (port->type == PORT_SCIF) + count = scif_txroom(port); + else #endif - - count = txroom; + count = sci_txroom(port); do { unsigned char c; @@ -469,7 +430,6 @@ static void sci_transmit_chars(struct uart_port *port) if (uart_circ_empty(xmit)) { sci_stop_tx(port); } else { - local_irq_save(flags); ctrl = sci_in(port, SCSCR); #if !defined(SCI_ONLY) @@ -481,7 +441,6 @@ static void sci_transmit_chars(struct uart_port *port) ctrl |= SCI_CTRL_FLAGS_TIE; sci_out(port, SCSCR, ctrl); - local_irq_restore(flags); } } @@ -491,6 +450,7 @@ static void sci_transmit_chars(struct uart_port *port) static inline void sci_receive_chars(struct uart_port *port, struct pt_regs *regs) { + struct sci_port *sci_port = (struct sci_port *)port; struct tty_struct *tty = port->info->tty; int i, count, copied = 0; unsigned short status; @@ -502,18 +462,11 @@ 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; - } -#else - count = (sci_in(port, SCxSR)&SCxSR_RDxF(port))?1:0; + if (port->type == PORT_SCIF) + count = scif_rxroom(port); + else #endif + count = sci_rxroom(port); /* Don't copy more bytes than there is room for in the buffer */ count = tty_buffer_request_room(tty, count); @@ -524,11 +477,10 @@ static inline void sci_receive_chars(struct uart_port *port, if (port->type == PORT_SCI) { char c = sci_in(port, SCxRDR); - if(((struct sci_port *)port)->break_flag - || uart_handle_sysrq_char(port, c, regs)) { + if (uart_handle_sysrq_char(port, c, regs) || sci_port->break_flag) count = 0; - } else { - tty_insert_flip_char(tty, c, TTY_NORMAL); + else { + tty_insert_flip_char(tty, c, TTY_NORMAL); } } else { for (i=0; i<count; i++) { @@ -536,15 +488,17 @@ static inline void sci_receive_chars(struct uart_port *port, status = sci_in(port, SCxSR); #if defined(CONFIG_CPU_SH3) /* Skip "chars" during break */ - if (((struct sci_port *)port)->break_flag) { + if (sci_port->break_flag) { if ((c == 0) && (status & SCxSR_FER(port))) { count--; i--; continue; } + /* Nonzero => end-of-break */ pr_debug("scif: debounce<%02x>\n", c); - ((struct sci_port *)port)->break_flag = 0; + sci_port->break_flag = 0; + if (STEPFN(c)) { count--; i--; continue; @@ -601,15 +555,17 @@ static void sci_schedule_break_timer(struct sci_port *port) /* Ensure that two consecutive samples find the break over. */ static void sci_break_timer(unsigned long data) { - struct sci_port * port = (struct sci_port *)data; - if(sci_rxd_in(&port->port) == 0) { + struct sci_port *port = (struct sci_port *)data; + + if (sci_rxd_in(&port->port) == 0) { port->break_flag = 1; - sci_schedule_break_timer(port); - } else if(port->break_flag == 1){ + sci_schedule_break_timer(port); + } else if (port->break_flag == 1) { /* break is over. */ port->break_flag = 2; - sci_schedule_break_timer(port); - } else port->break_flag = 0; + sci_schedule_break_timer(port); + } else + port->break_flag = 0; } static inline int sci_handle_errors(struct uart_port *port) @@ -618,40 +574,41 @@ 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)) { + if (status & SCxSR_ORER(port)) { /* overrun error */ - if(tty_insert_flip_char(tty, 0, TTY_OVERRUN)) + if (tty_insert_flip_char(tty, 0, TTY_OVERRUN)) copied++; pr_debug("sci: overrun error\n"); } - if (status&SCxSR_FER(port)) { + 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); + struct sci_port *sci_port = (struct sci_port *)port; + + if (!sci_port->break_flag) { + sci_port->break_flag = 1; + sci_schedule_break_timer(sci_port); + /* Do sysrq handling. */ - if(uart_handle_break(port)) + if (uart_handle_break(port)) return 0; pr_debug("sci: BREAK detected\n"); - if(tty_insert_flip_char(tty, 0, TTY_BREAK)) + if (tty_insert_flip_char(tty, 0, TTY_BREAK)) copied++; } - } - else { + } else { /* frame error */ - if(tty_insert_flip_char(tty, 0, TTY_FRAME)) + if (tty_insert_flip_char(tty, 0, TTY_FRAME)) copied++; pr_debug("sci: frame error\n"); } } - if (status&SCxSR_PER(port)) { - if(tty_insert_flip_char(tty, 0, TTY_PARITY)) - copied++; + if (status & SCxSR_PER(port)) { /* parity error */ + if (tty_insert_flip_char(tty, 0, TTY_PARITY)) + copied++; pr_debug("sci: parity error\n"); } @@ -674,7 +631,7 @@ static inline int sci_handle_breaks(struct uart_port *port) s->break_flag = 1; #endif /* Notify of BREAK */ - if(tty_insert_flip_char(tty, 0, TTY_BREAK)) + if (tty_insert_flip_char(tty, 0, TTY_BREAK)) copied++; pr_debug("sci: BREAK detected\n"); } @@ -683,7 +640,7 @@ 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_insert_flip_char(tty, 0, TTY_OVERRUN)) { + if (tty_insert_flip_char(tty, 0, TTY_OVERRUN)) { copied++; pr_debug("sci: overrun error\n"); } @@ -692,13 +649,12 @@ static inline int sci_handle_breaks(struct uart_port *port) if (copied) tty_flip_buffer_push(tty); + return copied; } -static irqreturn_t sci_rx_interrupt(int irq, void *ptr, struct pt_regs *regs) +static irqreturn_t sci_rx_interrupt(int irq, void *port, struct pt_regs *regs) { - struct uart_port *port = ptr; - /* I think sci_receive_chars has to be called irrespective * of whether the I_IXOFF is set, otherwise, how is the interrupt * to be disabled? @@ -712,7 +668,9 @@ static irqreturn_t sci_tx_interrupt(int irq, void *ptr, struct pt_regs *regs) { struct uart_port *port = ptr; + spin_lock_irq(&port->lock); sci_transmit_chars(port); + spin_unlock_irq(&port->lock); return IRQ_HANDLED; } @@ -756,6 +714,12 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr, struct pt_regs *regs) /* Handle BREAKs */ sci_handle_breaks(port); + +#ifdef CONFIG_SH_KGDB + /* Break into the debugger if a break is detected */ + BREAKPOINT(); +#endif + sci_out(port, SCxSR, SCxSR_BREAK_CLEAR(port)); return IRQ_HANDLED; @@ -770,16 +734,16 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr, struct pt_regs *regs) scr_status = sci_in(port,SCSCR); /* Tx Interrupt */ - if ((ssr_status&0x0020) && (scr_status&0x0080)) + if ((ssr_status & 0x0020) && (scr_status & 0x0080)) sci_tx_interrupt(irq, ptr, regs); /* Rx Interrupt */ - if ((ssr_status&0x0002) && (scr_status&0x0040)) + if ((ssr_status & 0x0002) && (scr_status & 0x0040)) sci_rx_interrupt(irq, ptr, regs); /* Error Interrupt */ - if ((ssr_status&0x0080) && (scr_status&0x0400)) + if ((ssr_status & 0x0080) && (scr_status & 0x0400)) sci_er_interrupt(irq, ptr, regs); /* Break Interrupt */ - if ((ssr_status&0x0010) && (scr_status&0x0200)) + if ((ssr_status & 0x0010) && (scr_status & 0x0200)) sci_br_interrupt(irq, ptr, regs); return IRQ_HANDLED; @@ -790,7 +754,8 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr, struct pt_regs *regs) * Here we define a transistion notifier so that we can update all of our * ports' baud rate when the peripheral clock changes. */ -static int sci_notifier(struct notifier_block *self, unsigned long phase, void *p) +static int sci_notifier(struct notifier_block *self, + unsigned long phase, void *p) { struct cpufreq_freqs *freqs = p; int i; @@ -817,8 +782,9 @@ static int sci_notifier(struct notifier_block *self, unsigned long phase, void * clk_put(clk); } - printk("%s: got a postchange notification for cpu %d (old %d, new %d)\n", - __FUNCTION__, freqs->cpu, freqs->old, freqs->new); + printk(KERN_INFO "%s: got a postchange notification " + "for cpu %d (old %d, new %d)\n", + __FUNCTION__, freqs->cpu, freqs->old, freqs->new); } return NOTIFY_OK; @@ -842,8 +808,9 @@ static int sci_request_irq(struct sci_port *port) printk(KERN_ERR "sci: Cannot allocate irq.(IRQ=0)\n"); return -ENODEV; } - if (request_irq(port->irqs[0], sci_mpxed_interrupt, SA_INTERRUPT, - "sci", port)) { + + if (request_irq(port->irqs[0], sci_mpxed_interrupt, + SA_INTERRUPT, "sci", port)) { printk(KERN_ERR "sci: Cannot allocate irq.\n"); return -ENODEV; } @@ -851,8 +818,8 @@ static int sci_request_irq(struct sci_port *port) for (i = 0; i < ARRAY_SIZE(handlers); i++) { if (!port->irqs[i]) continue; - if (request_irq(port->irqs[i], handlers[i], SA_INTERRUPT, - desc[i], port)) { + if (request_irq(port->irqs[i], handlers[i], + SA_INTERRUPT, desc[i], port)) { printk(KERN_ERR "sci: Cannot allocate irq.\n"); return -ENODEV; } @@ -904,50 +871,42 @@ static unsigned int sci_get_mctrl(struct uart_port *port) static void sci_start_tx(struct uart_port *port) { - struct sci_port *s = &sci_ports[port->line]; + unsigned short ctrl; - disable_irq(s->irqs[SCIx_TXI_IRQ]); - sci_transmit_chars(port); - enable_irq(s->irqs[SCIx_TXI_IRQ]); + /* Set TIE (Transmit Interrupt Enable) bit in SCSCR */ + ctrl = sci_in(port, SCSCR); + ctrl |= SCI_CTRL_FLAGS_TIE; + sci_out(port, SCSCR, ctrl); } static void sci_stop_tx(struct uart_port *port) { - unsigned long flags; unsigned short ctrl; /* Clear TIE (Transmit Interrupt Enable) bit in SCSCR */ - local_irq_save(flags); ctrl = sci_in(port, SCSCR); ctrl &= ~SCI_CTRL_FLAGS_TIE; sci_out(port, SCSCR, ctrl); - local_irq_restore(flags); } static void sci_start_rx(struct uart_port *port, unsigned int tty_start) { - unsigned long flags; unsigned short ctrl; /* Set RIE (Receive Interrupt Enable) bit in SCSCR */ - local_irq_save(flags); ctrl = sci_in(port, SCSCR); ctrl |= SCI_CTRL_FLAGS_RIE | SCI_CTRL_FLAGS_REIE; sci_out(port, SCSCR, ctrl); - local_irq_restore(flags); } static void sci_stop_rx(struct uart_port *port) { - unsigned long flags; unsigned short ctrl; /* Clear RIE (Receive Interrupt Enable) bit in SCSCR */ - local_irq_save(flags); ctrl = sci_in(port, SCSCR); ctrl &= ~(SCI_CTRL_FLAGS_RIE | SCI_CTRL_FLAGS_REIE); sci_out(port, SCSCR, ctrl); - local_irq_restore(flags); } static void sci_enable_ms(struct uart_port *port) @@ -964,9 +923,8 @@ static int sci_startup(struct uart_port *port) { struct sci_port *s = &sci_ports[port->line]; -#if defined(__H8300S__) - h8300_sci_enable(port, sci_enable); -#endif + if (s->enable) + s->enable(port); sci_request_irq(s); sci_start_tx(port); @@ -983,9 +941,8 @@ static void sci_shutdown(struct uart_port *port) sci_stop_tx(port); sci_free_irq(s); -#if defined(__H8300S__) - h8300_sci_enable(port, sci_disable); -#endif + if (s->disable) + s->disable(port); } static void sci_set_termios(struct uart_port *port, struct termios *termios, @@ -998,6 +955,23 @@ static void sci_set_termios(struct uart_port *port, struct termios *termios, baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); + switch (baud) { + 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; + } + spin_lock_irqsave(&port->lock, flags); do { @@ -1007,9 +981,8 @@ static void sci_set_termios(struct uart_port *port, struct termios *termios, sci_out(port, SCSCR, 0x00); /* TE=0, RE=0, CKE1=0 */ #if !defined(SCI_ONLY) - if (port->type == PORT_SCIF) { + if (port->type == PORT_SCIF) sci_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST); - } #endif smr_val = sci_in(port, SCSMR) & 3; @@ -1026,23 +999,6 @@ 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; - 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) { if(t >= 256) { sci_out(port, SCSMR, (sci_in(port, SCSMR) & ~3) | 1); @@ -1093,11 +1049,23 @@ static void sci_config_port(struct uart_port *port, int flags) port->type = s->type; + switch (port->type) { + case PORT_SCI: + s->init_pins = sci_init_pins_sci; + break; + case PORT_SCIF: + s->init_pins = sci_init_pins_scif; + break; + case PORT_IRDA: + s->init_pins = sci_init_pins_irda; + break; + } + #if defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103) if (port->mapbase == 0) port->mapbase = onchip_remap(SCIF_ADDR_SH5, 1024, "SCIF"); - port->membase = (void *)port->mapbase; + port->membase = (void __iomem *)port->mapbase; #endif } @@ -1133,412 +1101,61 @@ static struct uart_ops sci_uart_ops = { .verify_port = sci_verify_port, }; -static struct sci_port sci_ports[] = { -#if defined(CONFIG_CPU_SUBTYPE_SH7708) - { - .port = { - .membase = (void *)0xfffffe80, - .mapbase = 0xfffffe80, - .iotype = UPIO_MEM, - .irq = 25, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCI, - .irqs = SCI_IRQS, - }, -#elif defined(CONFIG_CPU_SUBTYPE_SH7705) - { - .port = { - .membase = (void *)SCIF0, - .mapbase = SCIF0, - .iotype = UPIO_MEM, - .irq = 55, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCIF, - .irqs = SH3_IRDA_IRQS, - .init_pins = sci_init_pins_scif, - }, - { - .port = { - .membase = (void *)SCIF2, - .mapbase = SCIF2, - .iotype = UPIO_MEM, - .irq = 59, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - .type = PORT_SCIF, - .irqs = SH3_SCIF_IRQS, - .init_pins = sci_init_pins_scif, - } -#elif defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) - { - .port = { - .membase = (void *)0xfffffe80, - .mapbase = 0xfffffe80, - .iotype = UPIO_MEM, - .irq = 25, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCI, - .irqs = SCI_IRQS, - }, - { - .port = { - .membase = (void *)0xa4000150, - .mapbase = 0xa4000150, - .iotype = UPIO_MEM, - .irq = 59, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - .type = PORT_SCIF, - .irqs = SH3_SCIF_IRQS, - .init_pins = sci_init_pins_scif, - }, - { - .port = { - .membase = (void *)0xa4000140, - .mapbase = 0xa4000140, - .iotype = UPIO_MEM, - .irq = 55, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 2, - }, - .type = PORT_IRDA, - .irqs = SH3_IRDA_IRQS, - .init_pins = sci_init_pins_irda, - } -#elif defined(CONFIG_CPU_SUBTYPE_SH7300) - { - .port = { - .membase = (void *)0xA4430000, - .mapbase = 0xA4430000, - .iotype = UPIO_MEM, - .irq = 25, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCIF, - .irqs = SH7300_SCIF0_IRQS, - .init_pins = sci_init_pins_scif, - }, -#elif defined(CONFIG_CPU_SUBTYPE_SH73180) - { - .port = { - .membase = (void *)0xffe00000, - .mapbase = 0xffe00000, - .iotype = UPIO_MEM, - .irq = 25, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCIF, - .irqs = SH73180_SCIF_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_SH7750) || defined(CONFIG_CPU_SUBTYPE_SH7751) - { - .port = { - .membase = (void *)0xffe00000, - .mapbase = 0xffe00000, - .iotype = UPIO_MEM, - .irq = 25, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCI, - .irqs = SCI_IRQS, - }, - { - .port = { - .membase = (void *)0xffe80000, - .mapbase = 0xffe80000, - .iotype = UPIO_MEM, - .irq = 43, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - .type = PORT_SCIF, - .irqs = SH4_SCIF_IRQS, - .init_pins = sci_init_pins_scif, - }, -#elif defined(CONFIG_CPU_SUBTYPE_SH7760) - { - .port = { - .membase = (void *)0xfe600000, - .mapbase = 0xfe600000, - .iotype = UPIO_MEM, - .irq = 55, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCIF, - .irqs = SH7760_SCIF0_IRQS, - .init_pins = sci_init_pins_scif, - }, - { - .port = { - .membase = (void *)0xfe610000, - .mapbase = 0xfe610000, - .iotype = UPIO_MEM, - .irq = 75, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - .type = PORT_SCIF, - .irqs = SH7760_SCIF1_IRQS, - .init_pins = sci_init_pins_scif, - }, - { - .port = { - .membase = (void *)0xfe620000, - .mapbase = 0xfe620000, - .iotype = UPIO_MEM, - .irq = 79, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 2, - }, - .type = PORT_SCIF, - .irqs = SH7760_SCIF2_IRQS, - .init_pins = sci_init_pins_scif, - }, -#elif defined(CONFIG_CPU_SUBTYPE_ST40STB1) - { - .port = { - .membase = (void *)0xffe00000, - .mapbase = 0xffe00000, - .iotype = UPIO_MEM, - .irq = 26, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCIF, - .irqs = STB1_SCIF1_IRQS, - .init_pins = sci_init_pins_scif, - }, - { - .port = { - .membase = (void *)0xffe80000, - .mapbase = 0xffe80000, - .iotype = UPIO_MEM, - .irq = 43, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - .type = PORT_SCIF, - .irqs = SH4_SCIF_IRQS, - .init_pins = sci_init_pins_scif, - }, -#elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103) - { - .port = { - .iotype = UPIO_MEM, - .irq = 42, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCIF, - .irqs = SH5_SCIF_IRQS, - .init_pins = sci_init_pins_scif, - }, -#elif defined(CONFIG_H83007) || defined(CONFIG_H83068) - { - .port = { - .membase = (void *)0x00ffffb0, - .mapbase = 0x00ffffb0, - .iotype = UPIO_MEM, - .irq = 54, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCI, - .irqs = H8300H_SCI_IRQS0, - .init_pins = sci_init_pins_sci, - }, - { - .port = { - .membase = (void *)0x00ffffb8, - .mapbase = 0x00ffffb8, - .iotype = UPIO_MEM, - .irq = 58, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - .type = PORT_SCI, - .irqs = H8300H_SCI_IRQS1, - .init_pins = sci_init_pins_sci, - }, - { - .port = { - .membase = (void *)0x00ffffc0, - .mapbase = 0x00ffffc0, - .iotype = UPIO_MEM, - .irq = 62, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 2, - }, - .type = PORT_SCI, - .irqs = H8300H_SCI_IRQS2, - .init_pins = sci_init_pins_sci, - }, -#elif defined(CONFIG_H8S2678) - { - .port = { - .membase = (void *)0x00ffff78, - .mapbase = 0x00ffff78, - .iotype = UPIO_MEM, - .irq = 90, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - .type = PORT_SCI, - .irqs = H8S_SCI_IRQS0, - .init_pins = sci_init_pins_sci, - }, - { - .port = { - .membase = (void *)0x00ffff80, - .mapbase = 0x00ffff80, - .iotype = UPIO_MEM, - .irq = 94, - .ops = &sci_uart_ops, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - .type = PORT_SCI, - .irqs = H8S_SCI_IRQS1, - .init_pins = sci_init_pins_sci, - }, - { - .port = { - .membase = (void *)0x00ffff88, - .mapbase = 0x00ffff88, - .iotype = UPIO_MEM, - .irq = 98, - .ops = &sci_uart_ops, - .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, - }, +static void __init sci_init_ports(void) +{ + static int first = 1; + int i; + + if (!first) + return; + + first = 0; + + for (i = 0; i < SCI_NPORTS; i++) { + sci_ports[i].port.ops = &sci_uart_ops; + sci_ports[i].port.iotype = UPIO_MEM; + sci_ports[i].port.line = i; + sci_ports[i].port.fifosize = 1; + +#if defined(__H8300H__) || defined(__H8300S__) +#ifdef __H8300S__ + sci_ports[i].enable = h8300_sci_enable; + sci_ports[i].disable = h8300_sci_disable; +#endif + sci_ports[i].port.uartclk = CONFIG_CPU_CLOCK; +#elif defined(CONFIG_SUPERH64) + sci_ports[i].port.uartclk = current_cpu_data.module_clock * 16; #else -#error "CPU subtype not defined" + /* + * XXX: We should use a proper SCI/SCIF clock + */ + { + struct clk *clk = clk_get("module_clk"); + sci_ports[i].port.uartclk = clk_get_rate(clk) * 16; + clk_put(clk); + } #endif -}; + + sci_ports[i].break_timer.data = (unsigned long)&sci_ports[i]; + sci_ports[i].break_timer.function = sci_break_timer; + + init_timer(&sci_ports[i].break_timer); + } +} + +int __init early_sci_setup(struct uart_port *port) +{ + if (unlikely(port->line > SCI_NPORTS)) + return -ENODEV; + + sci_init_ports(); + + sci_ports[port->line].port.membase = port->membase; + sci_ports[port->line].port.mapbase = port->mapbase; + sci_ports[port->line].port.type = port->type; + + return 0; +} #ifdef CONFIG_SERIAL_SH_SCI_CONSOLE /* @@ -1560,34 +1177,38 @@ static int __init serial_console_setup(struct console *co, char *options) int flow = 'n'; int ret; + /* + * Check whether an invalid uart number has been specified, and + * if so, search for the first available port that does have + * console support. + */ + 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; - -#ifdef CONFIG_SUPERH64 - /* This is especially needed on sh64 to remap the SCIF */ - sci_config_port(port, 0); -#endif /* - * We need to set the initial uartclk here, since otherwise it will - * only ever be setup at sci_init() time. + * Also need to check port->type, we don't actually have any + * UPIO_PORT ports, but uart_report_port() handily misreports + * it anyways if we don't have a port available by the time this is + * called. */ -#if defined(__H8300H__) || defined(__H8300S__) - port->uartclk = CONFIG_CPU_CLOCK; + if (!port->type) + return -ENODEV; + if (!port->membase || !port->mapbase) + return -ENODEV; + + spin_lock_init(&port->lock); + + port->type = serial_console_port->type; + + if (port->flags & UPF_IOREMAP) + sci_config_port(port, 0); + + if (serial_console_port->enable) + serial_console_port->enable(port); -#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); @@ -1605,17 +1226,17 @@ static struct console serial_console = { .device = uart_console_device, .write = serial_console_write, .setup = serial_console_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER, .index = -1, .data = &sci_uart_driver, }; static int __init sci_console_init(void) { + sci_init_ports(); register_console(&serial_console); return 0; } - console_initcall(sci_console_init); #endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */ @@ -1650,6 +1271,8 @@ int __init kgdb_console_setup(struct console *co, char *options) int parity = 'n'; int flow = 'n'; + spin_lock_init(&port->lock); + if (co->index != kgdb_portnum) co->index = kgdb_portnum; @@ -1678,10 +1301,10 @@ static struct console kgdb_console = { /* Register the KGDB console so we get messages (d'oh!) */ static int __init kgdb_console_init(void) { + sci_init_ports(); register_console(&kgdb_console); return 0; } - console_initcall(kgdb_console_init); #endif /* CONFIG_SH_KGDB_CONSOLE */ @@ -1699,66 +1322,135 @@ static char banner[] __initdata = static struct uart_driver sci_uart_driver = { .owner = THIS_MODULE, .driver_name = "sci", -#ifdef CONFIG_DEVFS_FS - .devfs_name = "ttsc/", -#endif .dev_name = "ttySC", .major = SCI_MAJOR, .minor = SCI_MINOR_START, + .nr = SCI_NPORTS, .cons = SCI_CONSOLE, }; -static int __init sci_init(void) +/* + * Register a set of serial devices attached to a platform device. The + * list is terminated with a zero flags entry, which means we expect + * all entries to have at least UPF_BOOT_AUTOCONF set. Platforms that need + * remapping (such as sh64) should also set UPF_IOREMAP. + */ +static int __devinit sci_probe(struct platform_device *dev) { - int chan, ret; + struct plat_sci_port *p = dev->dev.platform_data; + int i; - printk("%s", banner); + for (i = 0; p && p->flags != 0 && i < SCI_NPORTS; p++, i++) { + struct sci_port *sciport = &sci_ports[i]; - sci_uart_driver.nr = ARRAY_SIZE(sci_ports); + sciport->port.mapbase = p->mapbase; - ret = uart_register_driver(&sci_uart_driver); - if (ret == 0) { - for (chan = 0; chan < SCI_NPORTS; chan++) { - struct sci_port *sciport = &sci_ports[chan]; + /* + * For the simple (and majority of) cases where we don't need + * to do any remapping, just cast the cookie directly. + */ + if (p->mapbase && !p->membase && !(p->flags & UPF_IOREMAP)) + p->membase = (void __iomem *)p->mapbase; -#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; - sciport->break_timer.function = sci_break_timer; - init_timer(&sciport->break_timer); - } + sciport->port.membase = p->membase; + + sciport->port.irq = p->irqs[SCIx_TXI_IRQ]; + sciport->port.flags = p->flags; + sciport->port.dev = &dev->dev; + + sciport->type = sciport->port.type = p->type; + + memcpy(&sciport->irqs, &p->irqs, sizeof(p->irqs)); + + uart_add_one_port(&sci_uart_driver, &sciport->port); } #ifdef CONFIG_CPU_FREQ cpufreq_register_notifier(&sci_nb, CPUFREQ_TRANSITION_NOTIFIER); - printk("sci: CPU frequency notifier registered\n"); + dev_info(&dev->dev, "sci: CPU frequency notifier registered\n"); #endif #ifdef CONFIG_SH_STANDARD_BIOS sh_bios_gdb_detach(); #endif - return ret; + return 0; } -static void __exit sci_exit(void) +static int __devexit sci_remove(struct platform_device *dev) +{ + int i; + + for (i = 0; i < SCI_NPORTS; i++) + uart_remove_one_port(&sci_uart_driver, &sci_ports[i].port); + + return 0; +} + +static int sci_suspend(struct platform_device *dev, pm_message_t state) +{ + int i; + + for (i = 0; i < SCI_NPORTS; i++) { + struct sci_port *p = &sci_ports[i]; + + if (p->type != PORT_UNKNOWN && p->port.dev == &dev->dev) + uart_suspend_port(&sci_uart_driver, &p->port); + } + + return 0; +} + +static int sci_resume(struct platform_device *dev) +{ + int i; + + for (i = 0; i < SCI_NPORTS; i++) { + struct sci_port *p = &sci_ports[i]; + + if (p->type != PORT_UNKNOWN && p->port.dev == &dev->dev) + uart_resume_port(&sci_uart_driver, &p->port); + } + + return 0; +} + +static struct platform_driver sci_driver = { + .probe = sci_probe, + .remove = __devexit_p(sci_remove), + .suspend = sci_suspend, + .resume = sci_resume, + .driver = { + .name = "sh-sci", + .owner = THIS_MODULE, + }, +}; + +static int __init sci_init(void) { - int chan; + int ret; + + printk(banner); - for (chan = 0; chan < SCI_NPORTS; chan++) - uart_remove_one_port(&sci_uart_driver, &sci_ports[chan].port); + sci_init_ports(); + + ret = uart_register_driver(&sci_uart_driver); + if (likely(ret == 0)) { + ret = platform_driver_register(&sci_driver); + if (unlikely(ret)) + uart_unregister_driver(&sci_uart_driver); + } + return ret; +} + +static void __exit sci_exit(void) +{ + platform_driver_unregister(&sci_driver); uart_unregister_driver(&sci_uart_driver); } module_init(sci_init); module_exit(sci_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 1f14bb4382f..28643c4dc85 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -12,6 +12,7 @@ */ #include <linux/config.h> #include <linux/serial_core.h> +#include <asm/io.h> #if defined(__H8300H__) || defined(__H8300S__) #include <asm/gpio.h> @@ -23,40 +24,13 @@ #endif #endif -/* Offsets into the sci_port->irqs array */ -#define SCIx_ERI_IRQ 0 -#define SCIx_RXI_IRQ 1 -#define SCIx_TXI_IRQ 2 - -/* ERI, RXI, TXI, BRI */ -#define SCI_IRQS { 23, 24, 25, 0 } -#define SH3_SCIF_IRQS { 56, 57, 59, 58 } -#define SH3_IRDA_IRQS { 52, 53, 55, 54 } -#define SH4_SCIF_IRQS { 40, 41, 43, 42 } -#define STB1_SCIF1_IRQS {23, 24, 26, 25 } -#define SH7760_SCIF0_IRQS { 52, 53, 55, 54 } -#define SH7760_SCIF1_IRQS { 72, 73, 75, 74 } -#define SH7760_SCIF2_IRQS { 76, 77, 79, 78 } -#define SH7300_SCIF0_IRQS {80, 80, 80, 80 } -#define SH73180_SCIF_IRQS {80, 81, 83, 82 } -#define H8300H_SCI_IRQS0 {52, 53, 54, 0 } -#define H8300H_SCI_IRQS1 {56, 57, 58, 0 } -#define H8300H_SCI_IRQS2 {60, 61, 62, 0 } -#define H8S_SCI_IRQS0 {88, 89, 90, 0 } -#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 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) +#elif defined(CONFIG_CPU_SUBTYPE_SH7707) || \ + defined(CONFIG_CPU_SUBTYPE_SH7709) || \ + defined(CONFIG_CPU_SUBTYPE_SH7706) # 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 */ @@ -100,12 +74,23 @@ # define SCPDR 0xA4050136 /* 16 bit SCIF */ # define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */ # define SCIF_ONLY +#elif defined(CONFIG_CPU_SUBTYPE_SH7710) +# define SCSPTR0 0xA4400000 /* 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 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_SH7343) +# define SCSPTR0 0xffe00010 /* 16 bit SCIF */ +# define SCSPTR1 0xffe10010 /* 16 bit SCIF */ +# define SCSPTR2 0xffe20010 /* 16 bit SCIF */ +# define SCSPTR3 0xffe30010 /* 16 bit SCIF */ +# define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */ +# define SCIF_ONLY #elif defined(CONFIG_CPU_SUBTYPE_SH4_202) # define SCSPTR2 0xffe80020 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* overrun error bit */ @@ -146,7 +131,7 @@ #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 SCIF_ORER 0x0001 /* Overrun error bit */ # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ # define SCIF_ONLY #else @@ -274,15 +259,6 @@ */ #define SCI_EVENT_WRITE_WAKEUP 0 -struct sci_port { - struct uart_port port; - int type; - unsigned char irqs[4]; /* ERI, RXI, TXI, BRI */ - void (*init_pins)(struct uart_port *port, unsigned int cflag); - int break_flag; - struct timer_list break_timer; -}; - #define SCI_IN(size, offset) \ unsigned int addr = port->mapbase + (offset); \ if ((size) == 8) { \ @@ -337,7 +313,9 @@ struct sci_port { } #ifdef CONFIG_CPU_SH3 -#if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705) +#if defined(CONFIG_CPU_SUBTYPE_SH7300) || \ + defined(CONFIG_CPU_SUBTYPE_SH7705) || \ + defined(CONFIG_CPU_SUBTYPE_SH7710) #define SCIF_FNS(name, scif_offset, scif_size) \ CPU_SCIF_FNS(name, scif_offset, scif_size) #else @@ -363,7 +341,9 @@ struct sci_port { CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) #endif -#if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705) +#if defined(CONFIG_CPU_SUBTYPE_SH7300) || \ + defined(CONFIG_CPU_SUBTYPE_SH7705) || \ + defined(CONFIG_CPU_SUBTYPE_SH7710) SCIF_FNS(SCSMR, 0x00, 16) SCIF_FNS(SCBRR, 0x04, 8) SCIF_FNS(SCSCR, 0x08, 16) @@ -448,7 +428,9 @@ static inline int sci_rxd_in(struct uart_port *port) return ctrl_inb(SCSPTR)&0x01 ? 1 : 0; /* SCI */ return 1; } -#elif defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) +#elif defined(CONFIG_CPU_SUBTYPE_SH7707) || \ + defined(CONFIG_CPU_SUBTYPE_SH7709) || \ + defined(CONFIG_CPU_SUBTYPE_SH7706) static inline int sci_rxd_in(struct uart_port *port) { if (port->mapbase == 0xfffffe80) @@ -468,6 +450,13 @@ static inline int sci_rxd_in(struct uart_port *port) return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */ return 1; } +#elif defined(CONFIG_CPU_SUBTYPE_SH7710) +static inline int sci_rxd_in(struct uart_port *port) +{ + if (port->mapbase == SCSPTR0) + return ctrl_inw(SCSPTR0 + 0x10) & 0x01 ? 1 : 0; + return 1; +} #elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \ defined(CONFIG_CPU_SUBTYPE_SH7751) || \ defined(CONFIG_CPU_SUBTYPE_SH4_202) @@ -505,6 +494,19 @@ static inline int sci_rxd_in(struct uart_port *port) { return ctrl_inb(SCPDR)&0x01 ? 1 : 0; /* SCIF0 */ } +#elif defined(CONFIG_CPU_SUBTYPE_SH7343) +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 */ + if (port->mapbase == 0xffe20000) + return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xffe30000) + return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */ + return 1; +} #elif defined(CONFIG_CPU_SUBTYPE_ST40STB1) static inline int sci_rxd_in(struct uart_port *port) { @@ -588,4 +590,3 @@ static inline int sci_rxd_in(struct uart_port *port) #else /* Generic SH */ #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) #endif - diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c index 60ea4a3f071..2f148e5b925 100644 --- a/drivers/serial/sn_console.c +++ b/drivers/serial/sn_console.c @@ -37,7 +37,6 @@ * http://oss.sgi.com/projects/GenInfo/NoticeExplan */ -#include <linux/config.h> #include <linux/interrupt.h> #include <linux/tty.h> #include <linux/serial.h> @@ -649,7 +648,7 @@ static irqreturn_t sn_sal_interrupt(int irq, void *dev_id, struct pt_regs *regs) static int sn_sal_connect_interrupt(struct sn_cons_port *port) { if (request_irq(SGI_UART_VECTOR, sn_sal_interrupt, - SA_INTERRUPT | SA_SHIRQ, + IRQF_DISABLED | IRQF_SHARED, "SAL console driver", port) >= 0) { return SGI_UART_VECTOR; } diff --git a/drivers/serial/suncore.c b/drivers/serial/suncore.c index fa4ae94243c..e35d9ab359f 100644 --- a/drivers/serial/suncore.c +++ b/drivers/serial/suncore.c @@ -10,7 +10,6 @@ * Copyright (C) 2002 David S. Miller (davem@redhat.com) */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/console.h> diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c index f137804b313..f851f0f44f9 100644 --- a/drivers/serial/sunhv.c +++ b/drivers/serial/sunhv.c @@ -20,8 +20,8 @@ #include <asm/hypervisor.h> #include <asm/spitfire.h> -#include <asm/vdev.h> -#include <asm/oplib.h> +#include <asm/prom.h> +#include <asm/of_device.h> #include <asm/irq.h> #if defined(CONFIG_MAGIC_SYSRQ) @@ -353,7 +353,6 @@ static struct uart_ops sunhv_pops = { static struct uart_driver sunhv_reg = { .owner = THIS_MODULE, .driver_name = "serial", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, }; @@ -408,143 +407,120 @@ static inline struct console *SUNHV_CONSOLE(void) return &sunhv_console; } -static int __init hv_console_compatible(char *buf, int len) -{ - while (len) { - int this_len; - - if (!strcmp(buf, "qcn")) - return 1; - - this_len = strlen(buf) + 1; - - buf += this_len; - len -= this_len; - } - - return 0; -} - -static unsigned int __init get_interrupt(void) -{ - const char *cons_str = "console"; - const char *compat_str = "compatible"; - int node = prom_getchild(sun4v_vdev_root); - char buf[64]; - int err, len; - - node = prom_searchsiblings(node, cons_str); - if (!node) - return 0; - - len = prom_getproplen(node, compat_str); - if (len == 0 || len == -1) - return 0; - - err = prom_getproperty(node, compat_str, buf, 64); - if (err == -1) - return 0; - - if (!hv_console_compatible(buf, len)) - return 0; - - /* Ok, the this is the OBP node for the sun4v hypervisor - * console device. Decode the interrupt. - */ - return sun4v_vdev_device_interrupt(node); -} - -static int __init sunhv_init(void) +static int __devinit hv_probe(struct of_device *op, const struct of_device_id *match) { struct uart_port *port; - int ret; + int err; - if (tlb_type != hypervisor) + if (op->irqs[0] == 0xffffffff) return -ENODEV; - port = kmalloc(sizeof(struct uart_port), GFP_KERNEL); + port = kzalloc(sizeof(struct uart_port), GFP_KERNEL); if (unlikely(!port)) return -ENOMEM; - memset(port, 0, sizeof(struct uart_port)); + sunhv_port = port; port->line = 0; port->ops = &sunhv_pops; port->type = PORT_SUNHV; port->uartclk = ( 29491200 / 16 ); /* arbitrary */ - /* Set this just to make uart_configure_port() happy. */ port->membase = (unsigned char __iomem *) __pa(port); - port->irq = get_interrupt(); - if (!port->irq) { - kfree(port); - return -ENODEV; - } + port->irq = op->irqs[0]; + + port->dev = &op->dev; sunhv_reg.minor = sunserial_current_minor; sunhv_reg.nr = 1; - ret = uart_register_driver(&sunhv_reg); - if (ret < 0) { - printk(KERN_ERR "SUNHV: uart_register_driver() failed %d\n", - ret); - kfree(port); - - return ret; - } + err = uart_register_driver(&sunhv_reg); + if (err) + goto out_free_port; sunhv_reg.tty_driver->name_base = sunhv_reg.minor - 64; sunserial_current_minor += 1; sunhv_reg.cons = SUNHV_CONSOLE(); - sunhv_port = port; + err = uart_add_one_port(&sunhv_reg, port); + if (err) + goto out_unregister_driver; - ret = uart_add_one_port(&sunhv_reg, port); - if (ret < 0) { - printk(KERN_ERR "SUNHV: uart_add_one_port() failed %d\n", ret); - sunserial_current_minor -= 1; - uart_unregister_driver(&sunhv_reg); - kfree(port); - sunhv_port = NULL; - return -ENODEV; - } + err = request_irq(port->irq, sunhv_interrupt, 0, "hvcons", port); + if (err) + goto out_remove_port; - if (request_irq(port->irq, sunhv_interrupt, - SA_SHIRQ, "serial(sunhv)", port)) { - printk(KERN_ERR "sunhv: Cannot register IRQ\n"); - uart_remove_one_port(&sunhv_reg, port); - sunserial_current_minor -= 1; - uart_unregister_driver(&sunhv_reg); - kfree(port); - sunhv_port = NULL; - return -ENODEV; - } + dev_set_drvdata(&op->dev, port); return 0; + +out_remove_port: + uart_remove_one_port(&sunhv_reg, port); + +out_unregister_driver: + sunserial_current_minor -= 1; + uart_unregister_driver(&sunhv_reg); + +out_free_port: + kfree(port); + sunhv_port = NULL; + return err; } -static void __exit sunhv_exit(void) +static int __devexit hv_remove(struct of_device *dev) { - struct uart_port *port = sunhv_port; - - BUG_ON(!port); + struct uart_port *port = dev_get_drvdata(&dev->dev); free_irq(port->irq, port); uart_remove_one_port(&sunhv_reg, port); - sunserial_current_minor -= 1; + sunserial_current_minor -= 1; uart_unregister_driver(&sunhv_reg); - kfree(sunhv_port); + kfree(port); sunhv_port = NULL; + + dev_set_drvdata(&dev->dev, NULL); + + return 0; +} + +static struct of_device_id hv_match[] = { + { + .name = "console", + .compatible = "qcn", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, hv_match); + +static struct of_platform_driver hv_driver = { + .name = "hv", + .match_table = hv_match, + .probe = hv_probe, + .remove = __devexit_p(hv_remove), +}; + +static int __init sunhv_init(void) +{ + if (tlb_type != hypervisor) + return -ENODEV; + + return of_register_driver(&hv_driver, &of_bus_type); +} + +static void __exit sunhv_exit(void) +{ + of_unregister_driver(&hv_driver); } module_init(sunhv_init); module_exit(sunhv_exit); MODULE_AUTHOR("David S. Miller"); -MODULE_DESCRIPTION("SUN4V Hypervisor console driver") +MODULE_DESCRIPTION("SUN4V Hypervisor console driver"); +MODULE_VERSION("2.0"); MODULE_LICENSE("GPL"); diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c index bfbe9dc90cc..cfe20f73043 100644 --- a/drivers/serial/sunsab.c +++ b/drivers/serial/sunsab.c @@ -1,7 +1,7 @@ /* sunsab.c: ASYNC Driver for the SIEMENS SAB82532 DUSCC. * * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) - * Copyright (C) 2002 David S. Miller (davem@redhat.com) + * Copyright (C) 2002, 2006 David S. Miller (davem@davemloft.net) * * Rewrote buffer handling to use CIRC(Circular Buffer) macros. * Maxim Krasnyanskiy <maxk@qualcomm.com> @@ -12,10 +12,9 @@ * Theodore Ts'o <tytso@mit.edu>, 2001-Oct-12 * * Ported to new 2.5.x UART layer. - * David S. Miller <davem@redhat.com> + * David S. Miller <davem@davemloft.net> */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> @@ -37,8 +36,8 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/oplib.h> -#include <asm/ebus.h> +#include <asm/prom.h> +#include <asm/of_device.h> #if defined(CONFIG_SERIAL_SUNZILOG_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -851,7 +850,6 @@ static struct uart_ops sunsab_pops = { static struct uart_driver sunsab_reg = { .owner = THIS_MODULE, .driver_name = "serial", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, }; @@ -888,6 +886,15 @@ static int sunsab_console_setup(struct console *con, char *options) unsigned long flags; unsigned int baud, quot; + /* + * The console framework calls us for each and every port + * registered. Defer the console setup until the requested + * port has been properly discovered. A bit of a hack, + * though... + */ + if (up->port.type != PORT_SUNSAB) + return -1; + printk("Console: ttyS%d (SAB82532)\n", (sunsab_reg.minor - 64) + con->index); @@ -977,199 +984,189 @@ static inline struct console *SUNSAB_CONSOLE(void) #define sunsab_console_init() do { } while (0) #endif -static void __init for_each_sab_edev(void (*callback)(struct linux_ebus_device *, void *), void *arg) +static int __devinit sunsab_init_one(struct uart_sunsab_port *up, + struct of_device *op, + unsigned long offset, + int line) { - struct linux_ebus *ebus; - struct linux_ebus_device *edev = NULL; - - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "se")) { - callback(edev, arg); - continue; - } else if (!strcmp(edev->prom_name, "serial")) { - char compat[32]; - int clen; - - /* On RIO this can be an SE, check it. We could - * just check ebus->is_rio, but this is more portable. - */ - clen = prom_getproperty(edev->prom_node, "compatible", - compat, sizeof(compat)); - if (clen > 0) { - if (strncmp(compat, "sab82532", 8) == 0) { - callback(edev, arg); - continue; - } - } - } - } - } -} + up->port.line = line; + up->port.dev = &op->dev; + + up->port.mapbase = op->resource[0].start + offset; + up->port.membase = of_ioremap(&op->resource[0], offset, + sizeof(union sab82532_async_regs), + "sab"); + if (!up->port.membase) + return -ENOMEM; + up->regs = (union sab82532_async_regs __iomem *) up->port.membase; -static void __init sab_count_callback(struct linux_ebus_device *edev, void *arg) -{ - int *count_p = arg; + up->port.irq = op->irqs[0]; - (*count_p)++; -} + up->port.fifosize = SAB82532_XMIT_FIFO_SIZE; + up->port.iotype = UPIO_MEM; -static void __init sab_attach_callback(struct linux_ebus_device *edev, void *arg) -{ - int *instance_p = arg; - struct uart_sunsab_port *up; - unsigned long regs, offset; - int i; + writeb(SAB82532_IPC_IC_ACT_LOW, &up->regs->w.ipc); - /* Note: ports are located in reverse order */ - regs = edev->resource[0].start; - offset = sizeof(union sab82532_async_regs); - for (i = 0; i < 2; i++) { - up = &sunsab_ports[(*instance_p * 2) + 1 - i]; + up->port.ops = &sunsab_pops; + up->port.type = PORT_SUNSAB; + up->port.uartclk = SAB_BASE_BAUD; - memset(up, 0, sizeof(*up)); - up->regs = ioremap(regs + offset, sizeof(union sab82532_async_regs)); - up->port.irq = edev->irqs[0]; - up->port.fifosize = SAB82532_XMIT_FIFO_SIZE; - up->port.mapbase = (unsigned long)up->regs; - up->port.iotype = UPIO_MEM; + up->type = readb(&up->regs->r.vstr) & 0x0f; + writeb(~((1 << 1) | (1 << 2) | (1 << 4)), &up->regs->w.pcr); + writeb(0xff, &up->regs->w.pim); + if ((up->port.line & 0x1) == 0) { + up->pvr_dsr_bit = (1 << 0); + up->pvr_dtr_bit = (1 << 1); + } else { + up->pvr_dsr_bit = (1 << 3); + up->pvr_dtr_bit = (1 << 2); + } + up->cached_pvr = (1 << 1) | (1 << 2) | (1 << 4); + writeb(up->cached_pvr, &up->regs->w.pvr); + up->cached_mode = readb(&up->regs->rw.mode); + up->cached_mode |= SAB82532_MODE_FRTS; + writeb(up->cached_mode, &up->regs->rw.mode); + up->cached_mode |= SAB82532_MODE_RTS; + writeb(up->cached_mode, &up->regs->rw.mode); - writeb(SAB82532_IPC_IC_ACT_LOW, &up->regs->w.ipc); + up->tec_timeout = SAB82532_MAX_TEC_TIMEOUT; + up->cec_timeout = SAB82532_MAX_CEC_TIMEOUT; - offset -= sizeof(union sab82532_async_regs); + if (!(up->port.line & 0x01)) { + int err; + + err = request_irq(up->port.irq, sunsab_interrupt, + IRQF_SHARED, "sab", up); + if (err) { + of_iounmap(up->port.membase, + sizeof(union sab82532_async_regs)); + return err; + } } - - (*instance_p)++; + + return 0; } -static int __init probe_for_sabs(void) +static int __devinit sab_probe(struct of_device *op, const struct of_device_id *match) { - int this_sab = 0; + static int inst; + struct uart_sunsab_port *up; + int err; + + up = &sunsab_ports[inst * 2]; + + err = sunsab_init_one(&up[0], op, + 0, + (inst * 2) + 0); + if (err) + return err; + + err = sunsab_init_one(&up[1], op, + sizeof(union sab82532_async_regs), + (inst * 2) + 1); + if (err) { + of_iounmap(up[0].port.membase, + sizeof(union sab82532_async_regs)); + free_irq(up[0].port.irq, &up[0]); + return err; + } - /* Find device instances. */ - for_each_sab_edev(&sab_count_callback, &this_sab); - if (!this_sab) - return -ENODEV; + uart_add_one_port(&sunsab_reg, &up[0].port); + uart_add_one_port(&sunsab_reg, &up[1].port); - /* Allocate tables. */ - sunsab_ports = kmalloc(sizeof(struct uart_sunsab_port) * this_sab * 2, - GFP_KERNEL); - if (!sunsab_ports) - return -ENOMEM; + dev_set_drvdata(&op->dev, &up[0]); - num_channels = this_sab * 2; + inst++; - this_sab = 0; - for_each_sab_edev(&sab_attach_callback, &this_sab); return 0; } -static void __init sunsab_init_hw(void) +static void __devexit sab_remove_one(struct uart_sunsab_port *up) { - int i; - - for (i = 0; i < num_channels; i++) { - struct uart_sunsab_port *up = &sunsab_ports[i]; - - up->port.line = i; - up->port.ops = &sunsab_pops; - up->port.type = PORT_SUNSAB; - up->port.uartclk = SAB_BASE_BAUD; - - up->type = readb(&up->regs->r.vstr) & 0x0f; - writeb(~((1 << 1) | (1 << 2) | (1 << 4)), &up->regs->w.pcr); - writeb(0xff, &up->regs->w.pim); - if (up->port.line == 0) { - up->pvr_dsr_bit = (1 << 0); - up->pvr_dtr_bit = (1 << 1); - } else { - up->pvr_dsr_bit = (1 << 3); - up->pvr_dtr_bit = (1 << 2); - } - up->cached_pvr = (1 << 1) | (1 << 2) | (1 << 4); - writeb(up->cached_pvr, &up->regs->w.pvr); - up->cached_mode = readb(&up->regs->rw.mode); - up->cached_mode |= SAB82532_MODE_FRTS; - writeb(up->cached_mode, &up->regs->rw.mode); - up->cached_mode |= SAB82532_MODE_RTS; - writeb(up->cached_mode, &up->regs->rw.mode); - - up->tec_timeout = SAB82532_MAX_TEC_TIMEOUT; - up->cec_timeout = SAB82532_MAX_CEC_TIMEOUT; - - if (!(up->port.line & 0x01)) { - if (request_irq(up->port.irq, sunsab_interrupt, - SA_SHIRQ, "serial(sab82532)", up)) { - printk("sunsab%d: can't get IRQ %x\n", - i, up->port.irq); - continue; - } - } - } + uart_remove_one_port(&sunsab_reg, &up->port); + if (!(up->port.line & 1)) + free_irq(up->port.irq, up); + of_iounmap(up->port.membase, + sizeof(union sab82532_async_regs)); } -static int __init sunsab_init(void) +static int __devexit sab_remove(struct of_device *op) { - int ret = probe_for_sabs(); - int i; + struct uart_sunsab_port *up = dev_get_drvdata(&op->dev); - if (ret < 0) - return ret; + sab_remove_one(&up[0]); + sab_remove_one(&up[1]); - sunsab_init_hw(); + dev_set_drvdata(&op->dev, NULL); - sunsab_reg.minor = sunserial_current_minor; - sunsab_reg.nr = num_channels; - - ret = uart_register_driver(&sunsab_reg); - if (ret < 0) { - int i; + return 0; +} - for (i = 0; i < num_channels; i++) { - struct uart_sunsab_port *up = &sunsab_ports[i]; +static struct of_device_id sab_match[] = { + { + .name = "se", + }, + { + .name = "serial", + .compatible = "sab82532", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, sab_match); - if (!(up->port.line & 0x01)) - free_irq(up->port.irq, up); - iounmap(up->regs); - } - kfree(sunsab_ports); - sunsab_ports = NULL; +static struct of_platform_driver sab_driver = { + .name = "sab", + .match_table = sab_match, + .probe = sab_probe, + .remove = __devexit_p(sab_remove), +}; - return ret; +static int __init sunsab_init(void) +{ + struct device_node *dp; + int err; + + num_channels = 0; + for_each_node_by_name(dp, "se") + num_channels += 2; + for_each_node_by_name(dp, "serial") { + if (of_device_is_compatible(dp, "sab82532")) + num_channels += 2; } - sunsab_reg.tty_driver->name_base = sunsab_reg.minor - 64; + if (num_channels) { + sunsab_ports = kzalloc(sizeof(struct uart_sunsab_port) * + num_channels, GFP_KERNEL); + if (!sunsab_ports) + return -ENOMEM; - sunsab_reg.cons = SUNSAB_CONSOLE(); + sunsab_reg.minor = sunserial_current_minor; + sunsab_reg.nr = num_channels; - sunserial_current_minor += num_channels; - - for (i = 0; i < num_channels; i++) { - struct uart_sunsab_port *up = &sunsab_ports[i]; + err = uart_register_driver(&sunsab_reg); + if (err) { + kfree(sunsab_ports); + sunsab_ports = NULL; + + return err; + } - uart_add_one_port(&sunsab_reg, &up->port); + sunsab_reg.tty_driver->name_base = sunsab_reg.minor - 64; + sunsab_reg.cons = SUNSAB_CONSOLE(); + sunserial_current_minor += num_channels; } - return 0; + return of_register_driver(&sab_driver, &of_bus_type); } static void __exit sunsab_exit(void) { - int i; - - for (i = 0; i < num_channels; i++) { - struct uart_sunsab_port *up = &sunsab_ports[i]; - - uart_remove_one_port(&sunsab_reg, &up->port); - - if (!(up->port.line & 0x01)) - free_irq(up->port.irq, up); - iounmap(up->regs); + of_unregister_driver(&sab_driver); + if (num_channels) { + sunserial_current_minor -= num_channels; + uart_unregister_driver(&sunsab_reg); } - sunserial_current_minor -= num_channels; - uart_unregister_driver(&sunsab_reg); - kfree(sunsab_ports); sunsab_ports = NULL; } diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index 4cdb610cdd3..d3a5aeee73a 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -12,10 +12,9 @@ * Theodore Ts'o <tytso@mit.edu>, 2001-Oct-12 * * Converted to new 2.5.x UART layer. - * David S. Miller (davem@redhat.com), 2002-Jul-29 + * David S. Miller (davem@davemloft.net), 2002-Jul-29 */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> @@ -40,11 +39,8 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/oplib.h> -#include <asm/ebus.h> -#ifdef CONFIG_SPARC64 -#include <asm/isa.h> -#endif +#include <asm/prom.h> +#include <asm/of_device.h> #if defined(CONFIG_SERIAL_SUNSU_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -94,10 +90,10 @@ struct uart_sunsu_port { /* Probing information. */ enum su_type su_type; unsigned int type_probed; /* XXX Stupid */ - int port_node; + unsigned long reg_size; #ifdef CONFIG_SERIO - struct serio *serio; + struct serio serio; int serio_open; #endif }; @@ -509,7 +505,7 @@ static void receive_kbd_ms_chars(struct uart_sunsu_port *up, struct pt_regs *reg /* Stop-A is handled by drivers/char/keyboard.c now. */ if (up->su_type == SU_PORT_KBD) { #ifdef CONFIG_SERIO - serio_interrupt(up->serio, ch, 0, regs); + serio_interrupt(&up->serio, ch, 0, regs); #endif } else if (up->su_type == SU_PORT_MS) { int ret = suncore_mouse_baud_detection(ch, is_break); @@ -523,7 +519,7 @@ static void receive_kbd_ms_chars(struct uart_sunsu_port *up, struct pt_regs *reg case 0: #ifdef CONFIG_SERIO - serio_interrupt(up->serio, ch, 0, regs); + serio_interrupt(&up->serio, ch, 0, regs); #endif break; }; @@ -671,10 +667,10 @@ static int sunsu_startup(struct uart_port *port) if (up->su_type != SU_PORT_PORT) { retval = request_irq(up->port.irq, sunsu_kbd_ms_interrupt, - SA_SHIRQ, su_typev[up->su_type], up); + IRQF_SHARED, su_typev[up->su_type], up); } else { retval = request_irq(up->port.irq, sunsu_serial_interrupt, - SA_SHIRQ, su_typev[up->su_type], up); + IRQF_SHARED, su_typev[up->su_type], up); } if (retval) { printk("su: Cannot register IRQ %d\n", up->port.irq); @@ -1031,99 +1027,14 @@ static void sunsu_autoconfig(struct uart_sunsu_port *up) { unsigned char status1, status2, scratch, scratch2, scratch3; unsigned char save_lcr, save_mcr; - struct linux_ebus_device *dev = NULL; - struct linux_ebus *ebus; -#ifdef CONFIG_SPARC64 - struct sparc_isa_bridge *isa_br; - struct sparc_isa_device *isa_dev; -#endif -#ifndef CONFIG_SPARC64 - struct linux_prom_registers reg0; -#endif unsigned long flags; - if (!up->port_node || !up->su_type) + if (up->su_type == SU_PORT_NONE) return; up->type_probed = PORT_UNKNOWN; up->port.iotype = UPIO_MEM; - /* - * First we look for Ebus-bases su's - */ - for_each_ebus(ebus) { - for_each_ebusdev(dev, ebus) { - if (dev->prom_node == up->port_node) { - /* - * The EBus is broken on sparc; it delivers - * virtual addresses in resources. Oh well... - * This is correct on sparc64, though. - */ - up->port.membase = (char *) dev->resource[0].start; - /* - * This is correct on both architectures. - */ - up->port.mapbase = dev->resource[0].start; - up->port.irq = dev->irqs[0]; - goto ebus_done; - } - } - } - -#ifdef CONFIG_SPARC64 - for_each_isa(isa_br) { - for_each_isadev(isa_dev, isa_br) { - if (isa_dev->prom_node == up->port_node) { - /* Same on sparc64. Cool architecure... */ - up->port.membase = (char *) isa_dev->resource.start; - up->port.mapbase = isa_dev->resource.start; - up->port.irq = isa_dev->irq; - goto ebus_done; - } - } - } -#endif - -#ifdef CONFIG_SPARC64 - /* - * Not on Ebus, bailing. - */ - return; -#else - /* - * Not on Ebus, must be OBIO. - */ - if (prom_getproperty(up->port_node, "reg", - (char *)®0, sizeof(reg0)) == -1) { - prom_printf("sunsu: no \"reg\" property\n"); - return; - } - prom_apply_obio_ranges(®0, 1); - if (reg0.which_io != 0) { /* Just in case... */ - prom_printf("sunsu: bus number nonzero: 0x%x:%x\n", - reg0.which_io, reg0.phys_addr); - return; - } - up->port.mapbase = reg0.phys_addr; - if ((up->port.membase = ioremap(reg0.phys_addr, reg0.reg_size)) == 0) { - prom_printf("sunsu: Cannot map registers.\n"); - return; - } - - /* - * 0x20 is sun4m thing, Dave Redman heritage. - * See arch/sparc/kernel/irq.c. - */ -#define IRQ_4M(n) ((n)|0x20) - - /* - * There is no intr property on MrCoffee, so hardwire it. - */ - up->port.irq = IRQ_4M(13); -#endif - -ebus_done: - spin_lock_irqsave(&up->port.lock, flags); if (!(up->port.flags & UPF_BUGGY_UART)) { @@ -1265,23 +1176,17 @@ out: static struct uart_driver sunsu_reg = { .owner = THIS_MODULE, .driver_name = "serial", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, }; -static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up, int channel) +static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up) { int quot, baud; #ifdef CONFIG_SERIO struct serio *serio; #endif - spin_lock_init(&up->port.lock); - up->port.line = channel; - up->port.type = PORT_UNKNOWN; - up->port.uartclk = (SU_BASE_BAUD * 16); - if (up->su_type == SU_PORT_KBD) { up->cflag = B1200 | CS8 | CLOCAL | CREAD; baud = 1200; @@ -1293,41 +1198,36 @@ static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up, int channel) sunsu_autoconfig(up); if (up->port.type == PORT_UNKNOWN) - return -1; + return -ENODEV; - printk(KERN_INFO "su%d at 0x%p (irq = %d) is a %s\n", - channel, - up->port.membase, up->port.irq, - sunsu_type(&up->port)); + printk("%s: %s port at %lx, irq %u\n", + to_of_device(up->port.dev)->node->full_name, + (up->su_type == SU_PORT_KBD) ? "Keyboard" : "Mouse", + up->port.mapbase, up->port.irq); #ifdef CONFIG_SERIO - up->serio = serio = kmalloc(sizeof(struct serio), GFP_KERNEL); - if (serio) { - memset(serio, 0, sizeof(*serio)); - - serio->port_data = up; - - serio->id.type = SERIO_RS232; - if (up->su_type == SU_PORT_KBD) { - serio->id.proto = SERIO_SUNKBD; - strlcpy(serio->name, "sukbd", sizeof(serio->name)); - } else { - serio->id.proto = SERIO_SUN; - serio->id.extra = 1; - strlcpy(serio->name, "sums", sizeof(serio->name)); - } - strlcpy(serio->phys, (channel == 0 ? "su/serio0" : "su/serio1"), - sizeof(serio->phys)); + serio = &up->serio; + serio->port_data = up; - serio->write = sunsu_serio_write; - serio->open = sunsu_serio_open; - serio->close = sunsu_serio_close; - - serio_register_port(serio); + serio->id.type = SERIO_RS232; + if (up->su_type == SU_PORT_KBD) { + serio->id.proto = SERIO_SUNKBD; + strlcpy(serio->name, "sukbd", sizeof(serio->name)); } else { - printk(KERN_WARNING "su%d: not enough memory for serio port\n", - channel); + serio->id.proto = SERIO_SUN; + serio->id.extra = 1; + strlcpy(serio->name, "sums", sizeof(serio->name)); } + strlcpy(serio->phys, + (!(up->port.line & 1) ? "su/serio0" : "su/serio1"), + sizeof(serio->phys)); + + serio->write = sunsu_serio_write; + serio->open = sunsu_serio_open; + serio->close = sunsu_serio_close; + serio->dev.parent = up->port.dev; + + serio_register_port(serio); #endif sunsu_change_speed(&up->port, up->cflag, 0, quot); @@ -1459,22 +1359,20 @@ static struct console sunsu_cons = { * Register console. */ -static inline struct console *SUNSU_CONSOLE(void) +static inline struct console *SUNSU_CONSOLE(int num_uart) { int i; if (con_is_present()) return NULL; - for (i = 0; i < UART_NR; i++) { + for (i = 0; i < num_uart; i++) { int this_minor = sunsu_reg.minor + i; if ((this_minor - 64) == (serial_console - 1)) break; } - if (i == UART_NR) - return NULL; - if (sunsu_ports[i].port_node == 0) + if (i == num_uart) return NULL; sunsu_cons.index = i; @@ -1482,252 +1380,203 @@ static inline struct console *SUNSU_CONSOLE(void) return &sunsu_cons; } #else -#define SUNSU_CONSOLE() (NULL) +#define SUNSU_CONSOLE(num_uart) (NULL) #define sunsu_serial_console_init() do { } while (0) #endif -static int __init sunsu_serial_init(void) +static enum su_type __devinit su_get_type(struct device_node *dp) { - int instance, ret, i; + struct device_node *ap = of_find_node_by_path("/aliases"); - /* How many instances do we need? */ - instance = 0; - for (i = 0; i < UART_NR; i++) { - struct uart_sunsu_port *up = &sunsu_ports[i]; + if (ap) { + char *keyb = of_get_property(ap, "keyboard", NULL); + char *ms = of_get_property(ap, "mouse", NULL); - if (up->su_type == SU_PORT_MS || - up->su_type == SU_PORT_KBD) - continue; - - spin_lock_init(&up->port.lock); - up->port.flags |= UPF_BOOT_AUTOCONF; - up->port.type = PORT_UNKNOWN; - up->port.uartclk = (SU_BASE_BAUD * 16); + if (keyb) { + if (dp == of_find_node_by_path(keyb)) + return SU_PORT_KBD; + } + if (ms) { + if (dp == of_find_node_by_path(ms)) + return SU_PORT_MS; + } + } - sunsu_autoconfig(up); - if (up->port.type == PORT_UNKNOWN) - continue; + return SU_PORT_PORT; +} - up->port.line = instance++; - up->port.ops = &sunsu_pops; +static int __devinit su_probe(struct of_device *op, const struct of_device_id *match) +{ + static int inst; + struct device_node *dp = op->node; + struct uart_sunsu_port *up; + struct resource *rp; + enum su_type type; + int err; + + type = su_get_type(dp); + if (type == SU_PORT_PORT) { + if (inst >= UART_NR) + return -EINVAL; + up = &sunsu_ports[inst]; + } else { + up = kzalloc(sizeof(*up), GFP_KERNEL); + if (!up) + return -ENOMEM; } - sunsu_reg.minor = sunserial_current_minor; + up->port.line = inst; - sunsu_reg.nr = instance; - - ret = uart_register_driver(&sunsu_reg); - if (ret < 0) - return ret; + spin_lock_init(&up->port.lock); - sunsu_reg.tty_driver->name_base = sunsu_reg.minor - 64; + up->su_type = type; - sunserial_current_minor += instance; + rp = &op->resource[0]; + up->port.mapbase = rp->start; + up->reg_size = (rp->end - rp->start) + 1; + up->port.membase = of_ioremap(rp, 0, up->reg_size, "su"); + if (!up->port.membase) { + if (type != SU_PORT_PORT) + kfree(up); + return -ENOMEM; + } - sunsu_reg.cons = SUNSU_CONSOLE(); + up->port.irq = op->irqs[0]; - for (i = 0; i < UART_NR; i++) { - struct uart_sunsu_port *up = &sunsu_ports[i]; + up->port.dev = &op->dev; - /* Do not register Keyboard/Mouse lines with UART - * layer. - */ - if (up->su_type == SU_PORT_MS || - up->su_type == SU_PORT_KBD) - continue; + up->port.type = PORT_UNKNOWN; + up->port.uartclk = (SU_BASE_BAUD * 16); - if (up->port.type == PORT_UNKNOWN) - continue; + err = 0; + if (up->su_type == SU_PORT_KBD || up->su_type == SU_PORT_MS) { + err = sunsu_kbd_ms_init(up); + if (err) { + kfree(up); + goto out_unmap; + } + dev_set_drvdata(&op->dev, up); - uart_add_one_port(&sunsu_reg, &up->port); + return 0; } - return 0; -} + up->port.flags |= UPF_BOOT_AUTOCONF; -static int su_node_ok(int node, char *name, int namelen) -{ - if (strncmp(name, "su", namelen) == 0 || - strncmp(name, "su_pnp", namelen) == 0) - return 1; - - if (strncmp(name, "serial", namelen) == 0) { - char compat[32]; - int clen; - - /* Is it _really_ a 'su' device? */ - clen = prom_getproperty(node, "compatible", compat, sizeof(compat)); - if (clen > 0) { - if (strncmp(compat, "sab82532", 8) == 0) { - /* Nope, Siemens serial, not for us. */ - return 0; - } - } - return 1; - } + sunsu_autoconfig(up); - return 0; -} + err = -ENODEV; + if (up->port.type == PORT_UNKNOWN) + goto out_unmap; -#define SU_PROPSIZE 128 + up->port.ops = &sunsu_pops; -/* - * Scan status structure. - * "prop" is a local variable but it eats stack to keep it in each - * stack frame of a recursive procedure. - */ -struct su_probe_scan { - int msnode, kbnode; /* PROM nodes for mouse and keyboard */ - int msx, kbx; /* minors for mouse and keyboard */ - int devices; /* scan index */ - char prop[SU_PROPSIZE]; -}; + err = uart_add_one_port(&sunsu_reg, &up->port); + if (err) + goto out_unmap; -/* - * We have several platforms which present 'su' in different parts - * of the device tree. 'su' may be found under obio, ebus, isa and pci. - * We walk over the tree and find them wherever PROM hides them. - */ -static void __init su_probe_any(struct su_probe_scan *t, int sunode) -{ - struct uart_sunsu_port *up; - int len; + dev_set_drvdata(&op->dev, up); - if (t->devices >= UART_NR) - return; + inst++; - for (; sunode != 0; sunode = prom_getsibling(sunode)) { - len = prom_getproperty(sunode, "name", t->prop, SU_PROPSIZE); - if (len <= 1) - continue; /* Broken PROM node */ - - if (su_node_ok(sunode, t->prop, len)) { - up = &sunsu_ports[t->devices]; - if (t->kbnode != 0 && sunode == t->kbnode) { - t->kbx = t->devices; - up->su_type = SU_PORT_KBD; - } else if (t->msnode != 0 && sunode == t->msnode) { - t->msx = t->devices; - up->su_type = SU_PORT_MS; - } else { -#ifdef CONFIG_SPARC64 - /* - * Do not attempt to use the truncated - * keyboard/mouse ports as serial ports - * on Ultras with PC keyboard attached. - */ - if (prom_getbool(sunode, "mouse")) - continue; - if (prom_getbool(sunode, "keyboard")) - continue; -#endif - up->su_type = SU_PORT_PORT; - } - up->port_node = sunode; - ++t->devices; - } else { - su_probe_any(t, prom_getchild(sunode)); - } - } + return 0; + +out_unmap: + of_iounmap(up->port.membase, up->reg_size); + return err; } -static int __init sunsu_probe(void) +static int __devexit su_remove(struct of_device *dev) { - int node; - int len; - struct su_probe_scan scan; + struct uart_sunsu_port *up = dev_get_drvdata(&dev->dev);; - /* - * First, we scan the tree. - */ - scan.devices = 0; - scan.msx = -1; - scan.kbx = -1; - scan.kbnode = 0; - scan.msnode = 0; + if (up->su_type == SU_PORT_MS || + up->su_type == SU_PORT_KBD) { +#ifdef CONFIG_SERIO + serio_unregister_port(&up->serio); +#endif + kfree(up); + } else if (up->port.type != PORT_UNKNOWN) { + uart_remove_one_port(&sunsu_reg, &up->port); + } - /* - * Get the nodes for keyboard and mouse from 'aliases'... - */ - node = prom_getchild(prom_root_node); - node = prom_searchsiblings(node, "aliases"); - if (node != 0) { - len = prom_getproperty(node, "keyboard", scan.prop, SU_PROPSIZE); - if (len > 0) { - scan.prop[len] = 0; - scan.kbnode = prom_finddevice(scan.prop); - } + dev_set_drvdata(&dev->dev, NULL); - len = prom_getproperty(node, "mouse", scan.prop, SU_PROPSIZE); - if (len > 0) { - scan.prop[len] = 0; - scan.msnode = prom_finddevice(scan.prop); - } - } + return 0; +} - su_probe_any(&scan, prom_getchild(prom_root_node)); +static struct of_device_id su_match[] = { + { + .name = "su", + }, + { + .name = "su_pnp", + }, + { + .name = "serial", + .compatible = "su", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, su_match); - /* - * Second, we process the special case of keyboard and mouse. - * - * Currently if we got keyboard and mouse hooked to "su" ports - * we do not use any possible remaining "su" as a serial port. - * Thus, we ignore values of .msx and .kbx, then compact ports. - */ - if (scan.msx != -1 && scan.kbx != -1) { - sunsu_ports[0].su_type = SU_PORT_MS; - sunsu_ports[0].port_node = scan.msnode; - sunsu_kbd_ms_init(&sunsu_ports[0], 0); +static struct of_platform_driver su_driver = { + .name = "su", + .match_table = su_match, + .probe = su_probe, + .remove = __devexit_p(su_remove), +}; - sunsu_ports[1].su_type = SU_PORT_KBD; - sunsu_ports[1].port_node = scan.kbnode; - sunsu_kbd_ms_init(&sunsu_ports[1], 1); +static int num_uart; - return 0; - } +static int __init sunsu_init(void) +{ + struct device_node *dp; + int err; - if (scan.msx != -1 || scan.kbx != -1) { - printk("sunsu_probe: cannot match keyboard and mouse, confused\n"); - return -ENODEV; + num_uart = 0; + for_each_node_by_name(dp, "su") { + if (su_get_type(dp) == SU_PORT_PORT) + num_uart++; + } + for_each_node_by_name(dp, "su_pnp") { + if (su_get_type(dp) == SU_PORT_PORT) + num_uart++; + } + for_each_node_by_name(dp, "serial") { + if (of_device_is_compatible(dp, "su")) { + if (su_get_type(dp) == SU_PORT_PORT) + num_uart++; + } } - if (scan.devices == 0) - return -ENODEV; + if (num_uart) { + sunsu_reg.minor = sunserial_current_minor; + sunsu_reg.nr = num_uart; + err = uart_register_driver(&sunsu_reg); + if (err) + return err; + sunsu_reg.tty_driver->name_base = sunsu_reg.minor - 64; + sunserial_current_minor += num_uart; + sunsu_reg.cons = SUNSU_CONSOLE(num_uart); + } - /* - * Console must be initiated after the generic initialization. - */ - sunsu_serial_init(); + err = of_register_driver(&su_driver, &of_bus_type); + if (err && num_uart) + uart_unregister_driver(&sunsu_reg); - return 0; + return err; } static void __exit sunsu_exit(void) { - int i, saw_uart; - - saw_uart = 0; - for (i = 0; i < UART_NR; i++) { - struct uart_sunsu_port *up = &sunsu_ports[i]; - - if (up->su_type == SU_PORT_MS || - up->su_type == SU_PORT_KBD) { -#ifdef CONFIG_SERIO - if (up->serio) { - serio_unregister_port(up->serio); - up->serio = NULL; - } -#endif - } else if (up->port.type != PORT_UNKNOWN) { - uart_remove_one_port(&sunsu_reg, &up->port); - saw_uart++; - } - } - - if (saw_uart) + if (num_uart) uart_unregister_driver(&sunsu_reg); } -module_init(sunsu_probe); +module_init(sunsu_init); module_exit(sunsu_exit); + +MODULE_AUTHOR("Eddie C. Dost, Peter Zaitcev, and David S. Miller"); +MODULE_DESCRIPTION("Sun SU serial port driver"); +MODULE_VERSION("2.0"); MODULE_LICENSE("GPL"); diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c index 5b6569728a9..0da3ebfff82 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -1,5 +1,4 @@ -/* - * sunzilog.c +/* sunzilog.c: Zilog serial driver for Sparc systems. * * Driver for Zilog serial chips found on Sun workstations and * servers. This driver could actually be made more generic. @@ -10,10 +9,9 @@ * C. Dost, Pete Zaitcev, Ted Ts'o and Alex Buell for their * work there. * - * Copyright (C) 2002 David S. Miller (davem@redhat.com) + * Copyright (C) 2002, 2006 David S. Miller (davem@davemloft.net) */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> @@ -38,10 +36,8 @@ #include <asm/io.h> #include <asm/irq.h> -#ifdef CONFIG_SPARC64 -#include <asm/fhc.h> -#endif -#include <asm/sbus.h> +#include <asm/prom.h> +#include <asm/of_device.h> #if defined(CONFIG_SERIAL_SUNZILOG_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -65,16 +61,13 @@ #define ZSDELAY() #define ZSDELAY_LONG() #define ZS_WSYNC(__channel) \ - sbus_readb(&((__channel)->control)) + readb(&((__channel)->control)) #endif static int num_sunzilog; #define NUM_SUNZILOG num_sunzilog #define NUM_CHANNELS (NUM_SUNZILOG * 2) -#define KEYBOARD_LINE 0x2 -#define MOUSE_LINE 0x3 - #define ZS_CLOCK 4915200 /* Zilog input clock rate. */ #define ZS_CLOCK_DIVISOR 16 /* Divisor this driver uses. */ @@ -107,7 +100,7 @@ struct uart_sunzilog_port { unsigned char prev_status; #ifdef CONFIG_SERIO - struct serio *serio; + struct serio serio; int serio_open; #endif }; @@ -138,9 +131,9 @@ static unsigned char read_zsreg(struct zilog_channel __iomem *channel, { unsigned char retval; - sbus_writeb(reg, &channel->control); + writeb(reg, &channel->control); ZSDELAY(); - retval = sbus_readb(&channel->control); + retval = readb(&channel->control); ZSDELAY(); return retval; @@ -149,9 +142,9 @@ static unsigned char read_zsreg(struct zilog_channel __iomem *channel, static void write_zsreg(struct zilog_channel __iomem *channel, unsigned char reg, unsigned char value) { - sbus_writeb(reg, &channel->control); + writeb(reg, &channel->control); ZSDELAY(); - sbus_writeb(value, &channel->control); + writeb(value, &channel->control); ZSDELAY(); } @@ -162,17 +155,17 @@ static void sunzilog_clear_fifo(struct zilog_channel __iomem *channel) for (i = 0; i < 32; i++) { unsigned char regval; - regval = sbus_readb(&channel->control); + regval = readb(&channel->control); ZSDELAY(); if (regval & Rx_CH_AV) break; regval = read_zsreg(channel, R1); - sbus_readb(&channel->data); + readb(&channel->data); ZSDELAY(); if (regval & (PAR_ERR | Rx_OVR | CRC_ERR)) { - sbus_writeb(ERR_RES, &channel->control); + writeb(ERR_RES, &channel->control); ZSDELAY(); ZS_WSYNC(channel); } @@ -194,7 +187,7 @@ static void __load_zsregs(struct zilog_channel __iomem *channel, unsigned char * udelay(100); } - sbus_writeb(ERR_RES, &channel->control); + writeb(ERR_RES, &channel->control); ZSDELAY(); ZS_WSYNC(channel); @@ -291,7 +284,7 @@ static void sunzilog_kbdms_receive_chars(struct uart_sunzilog_port *up, /* Stop-A is handled by drivers/char/keyboard.c now. */ #ifdef CONFIG_SERIO if (up->serio_open) - serio_interrupt(up->serio, ch, 0, regs); + serio_interrupt(&up->serio, ch, 0, regs); #endif } else if (ZS_IS_MOUSE(up)) { int ret = suncore_mouse_baud_detection(ch, is_break); @@ -306,7 +299,7 @@ static void sunzilog_kbdms_receive_chars(struct uart_sunzilog_port *up, case 0: #ifdef CONFIG_SERIO if (up->serio_open) - serio_interrupt(up->serio, ch, 0, regs); + serio_interrupt(&up->serio, ch, 0, regs); #endif break; }; @@ -330,12 +323,12 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, r1 = read_zsreg(channel, R1); if (r1 & (PAR_ERR | Rx_OVR | CRC_ERR)) { - sbus_writeb(ERR_RES, &channel->control); + writeb(ERR_RES, &channel->control); ZSDELAY(); ZS_WSYNC(channel); } - ch = sbus_readb(&channel->control); + ch = readb(&channel->control); ZSDELAY(); /* This funny hack depends upon BRK_ABRT not interfering @@ -347,7 +340,7 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, if (!(ch & Rx_CH_AV)) break; - ch = sbus_readb(&channel->data); + ch = readb(&channel->data); ZSDELAY(); ch &= up->parity_mask; @@ -406,10 +399,10 @@ static void sunzilog_status_handle(struct uart_sunzilog_port *up, { unsigned char status; - status = sbus_readb(&channel->control); + status = readb(&channel->control); ZSDELAY(); - sbus_writeb(RES_EXT_INT, &channel->control); + writeb(RES_EXT_INT, &channel->control); ZSDELAY(); ZS_WSYNC(channel); @@ -421,7 +414,7 @@ static void sunzilog_status_handle(struct uart_sunzilog_port *up, * confusing the PROM. */ while (1) { - status = sbus_readb(&channel->control); + status = readb(&channel->control); ZSDELAY(); if (!(status & BRK_ABRT)) break; @@ -458,7 +451,7 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up, struct circ_buf *xmit; if (ZS_IS_CONS(up)) { - unsigned char status = sbus_readb(&channel->control); + unsigned char status = readb(&channel->control); ZSDELAY(); /* TX still busy? Just wait for the next TX done interrupt. @@ -487,7 +480,7 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up, if (up->port.x_char) { up->flags |= SUNZILOG_FLAG_TX_ACTIVE; - sbus_writeb(up->port.x_char, &channel->data); + writeb(up->port.x_char, &channel->data); ZSDELAY(); ZS_WSYNC(channel); @@ -506,7 +499,7 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up, goto ack_tx_int; up->flags |= SUNZILOG_FLAG_TX_ACTIVE; - sbus_writeb(xmit->buf[xmit->tail], &channel->data); + writeb(xmit->buf[xmit->tail], &channel->data); ZSDELAY(); ZS_WSYNC(channel); @@ -519,7 +512,7 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up, return; ack_tx_int: - sbus_writeb(RES_Tx_P, &channel->control); + writeb(RES_Tx_P, &channel->control); ZSDELAY(); ZS_WSYNC(channel); } @@ -540,7 +533,7 @@ static irqreturn_t sunzilog_interrupt(int irq, void *dev_id, struct pt_regs *reg /* Channel A */ tty = NULL; if (r3 & (CHAEXT | CHATxIP | CHARxIP)) { - sbus_writeb(RES_H_IUS, &channel->control); + writeb(RES_H_IUS, &channel->control); ZSDELAY(); ZS_WSYNC(channel); @@ -563,7 +556,7 @@ static irqreturn_t sunzilog_interrupt(int irq, void *dev_id, struct pt_regs *reg spin_lock(&up->port.lock); tty = NULL; if (r3 & (CHBEXT | CHBTxIP | CHBRxIP)) { - sbus_writeb(RES_H_IUS, &channel->control); + writeb(RES_H_IUS, &channel->control); ZSDELAY(); ZS_WSYNC(channel); @@ -594,7 +587,7 @@ static __inline__ unsigned char sunzilog_read_channel_status(struct uart_port *p unsigned char status; channel = ZILOG_CHANNEL_FROM_PORT(port); - status = sbus_readb(&channel->control); + status = readb(&channel->control); ZSDELAY(); return status; @@ -682,7 +675,7 @@ static void sunzilog_start_tx(struct uart_port *port) up->flags |= SUNZILOG_FLAG_TX_ACTIVE; up->flags &= ~SUNZILOG_FLAG_TX_STOPPED; - status = sbus_readb(&channel->control); + status = readb(&channel->control); ZSDELAY(); /* TX busy? Just wait for the TX done interrupt. */ @@ -693,7 +686,7 @@ static void sunzilog_start_tx(struct uart_port *port) * IRQ sending engine. */ if (port->x_char) { - sbus_writeb(port->x_char, &channel->data); + writeb(port->x_char, &channel->data); ZSDELAY(); ZS_WSYNC(channel); @@ -702,7 +695,7 @@ static void sunzilog_start_tx(struct uart_port *port) } else { struct circ_buf *xmit = &port->info->xmit; - sbus_writeb(xmit->buf[xmit->tail], &channel->data); + writeb(xmit->buf[xmit->tail], &channel->data); ZSDELAY(); ZS_WSYNC(channel); @@ -779,7 +772,7 @@ static void __sunzilog_startup(struct uart_sunzilog_port *up) struct zilog_channel __iomem *channel; channel = ZILOG_CHANNEL_FROM_PORT(&up->port); - up->prev_status = sbus_readb(&channel->control); + up->prev_status = readb(&channel->control); /* Enable receiver and transmitter. */ up->curregs[R3] |= RxENAB; @@ -963,7 +956,7 @@ sunzilog_set_termios(struct uart_port *port, struct termios *termios, static const char *sunzilog_type(struct uart_port *port) { - return "SunZilog"; + return "zs"; } /* We do not request/release mappings of the registers here, this @@ -1012,242 +1005,55 @@ static struct uart_sunzilog_port *sunzilog_port_table; static struct zilog_layout __iomem **sunzilog_chip_regs; static struct uart_sunzilog_port *sunzilog_irq_chain; -static int zilog_irq = -1; static struct uart_driver sunzilog_reg = { .owner = THIS_MODULE, .driver_name = "ttyS", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, }; -static void * __init alloc_one_table(unsigned long size) -{ - void *ret; - - ret = kmalloc(size, GFP_KERNEL); - if (ret != NULL) - memset(ret, 0, size); - - return ret; -} - -static void __init sunzilog_alloc_tables(void) -{ - sunzilog_port_table = - alloc_one_table(NUM_CHANNELS * sizeof(struct uart_sunzilog_port)); - sunzilog_chip_regs = - alloc_one_table(NUM_SUNZILOG * sizeof(struct zilog_layout __iomem *)); - - if (sunzilog_port_table == NULL || sunzilog_chip_regs == NULL) { - prom_printf("SunZilog: Cannot allocate tables.\n"); - prom_halt(); - } -} - -#ifdef CONFIG_SPARC64 - -/* We used to attempt to use the address property of the Zilog device node - * but that totally is not necessary on sparc64. - */ -static struct zilog_layout __iomem * __init get_zs_sun4u(int chip, int zsnode) +static int __init sunzilog_alloc_tables(void) { - void __iomem *mapped_addr; - unsigned int sun4u_ino; - struct sbus_bus *sbus = NULL; - struct sbus_dev *sdev = NULL; - int err; - - if (central_bus == NULL) { - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if (sdev->prom_node == zsnode) - goto found; - } - } - } - found: - if (sdev == NULL && central_bus == NULL) { - prom_printf("SunZilog: sdev&¢ral == NULL for " - "Zilog %d in get_zs_sun4u.\n", chip); - prom_halt(); - } - if (central_bus == NULL) { - mapped_addr = - sbus_ioremap(&sdev->resource[0], 0, - PAGE_SIZE, - "Zilog Registers"); - } else { - struct linux_prom_registers zsregs[1]; - - err = prom_getproperty(zsnode, "reg", - (char *) &zsregs[0], - sizeof(zsregs)); - if (err == -1) { - prom_printf("SunZilog: Cannot map " - "Zilog %d regs on " - "central bus.\n", chip); - prom_halt(); - } - apply_fhc_ranges(central_bus->child, - &zsregs[0], 1); - apply_central_ranges(central_bus, &zsregs[0], 1); - mapped_addr = (void __iomem *) - ((((u64)zsregs[0].which_io)<<32UL) | - ((u64)zsregs[0].phys_addr)); - } - - if (zilog_irq == -1) { - if (central_bus) { - unsigned long iclr, imap; - - iclr = central_bus->child->fhc_regs.uregs - + FHC_UREGS_ICLR; - imap = central_bus->child->fhc_regs.uregs - + FHC_UREGS_IMAP; - zilog_irq = build_irq(12, 0, iclr, imap); - } else { - err = prom_getproperty(zsnode, "interrupts", - (char *) &sun4u_ino, - sizeof(sun4u_ino)); - zilog_irq = sbus_build_irq(sbus_root, sun4u_ino); - } - } - - return (struct zilog_layout __iomem *) mapped_addr; -} -#else /* CONFIG_SPARC64 */ - -/* - * XXX The sun4d case is utterly screwed: it tries to re-walk the tree - * (for the 3rd time) in order to find bootbus and cpu. Streamline it. - */ -static struct zilog_layout __iomem * __init get_zs_sun4cmd(int chip, int node) -{ - struct linux_prom_irqs irq_info[2]; - void __iomem *mapped_addr = NULL; - int zsnode, cpunode, bbnode; - struct linux_prom_registers zsreg[4]; - struct resource res; - - if (sparc_cpu_model == sun4d) { - int walk; - - zsnode = 0; - bbnode = 0; - cpunode = 0; - for (walk = prom_getchild(prom_root_node); - (walk = prom_searchsiblings(walk, "cpu-unit")) != 0; - walk = prom_getsibling(walk)) { - bbnode = prom_getchild(walk); - if (bbnode && - (bbnode = prom_searchsiblings(bbnode, "bootbus"))) { - if ((zsnode = prom_getchild(bbnode)) == node) { - cpunode = walk; - break; - } - } - } - if (!walk) { - prom_printf("SunZilog: Cannot find the %d'th bootbus on sun4d.\n", - (chip / 2)); - prom_halt(); - } + struct uart_sunzilog_port *up; + unsigned long size; + int i; - if (prom_getproperty(zsnode, "reg", - (char *) zsreg, sizeof(zsreg)) == -1) { - prom_printf("SunZilog: Cannot map Zilog %d\n", chip); - prom_halt(); - } - /* XXX Looks like an off by one? */ - prom_apply_generic_ranges(bbnode, cpunode, zsreg, 1); - res.start = zsreg[0].phys_addr; - res.end = res.start + (8 - 1); - res.flags = zsreg[0].which_io | IORESOURCE_IO; - mapped_addr = sbus_ioremap(&res, 0, 8, "Zilog Serial"); + size = NUM_CHANNELS * sizeof(struct uart_sunzilog_port); + sunzilog_port_table = kzalloc(size, GFP_KERNEL); + if (!sunzilog_port_table) + return -ENOMEM; - } else { - zsnode = node; + for (i = 0; i < NUM_CHANNELS; i++) { + up = &sunzilog_port_table[i]; -#if 0 /* XXX When was this used? */ - if (prom_getintdefault(zsnode, "slave", -1) != chipid) { - zsnode = prom_getsibling(zsnode); - continue; - } -#endif + spin_lock_init(&up->port.lock); - /* - * "address" is only present on ports that OBP opened - * (from Mitch Bradley's "Hitchhiker's Guide to OBP"). - * We do not use it. - */ + if (i == 0) + sunzilog_irq_chain = up; - if (prom_getproperty(zsnode, "reg", - (char *) zsreg, sizeof(zsreg)) == -1) { - prom_printf("SunZilog: Cannot map Zilog %d\n", chip); - prom_halt(); - } - if (sparc_cpu_model == sun4m) /* Crude. Pass parent. XXX */ - prom_apply_obio_ranges(zsreg, 1); - res.start = zsreg[0].phys_addr; - res.end = res.start + (8 - 1); - res.flags = zsreg[0].which_io | IORESOURCE_IO; - mapped_addr = sbus_ioremap(&res, 0, 8, "Zilog Serial"); + if (i < NUM_CHANNELS - 1) + up->next = up + 1; + else + up->next = NULL; } - if (prom_getproperty(zsnode, "intr", - (char *) irq_info, sizeof(irq_info)) - % sizeof(struct linux_prom_irqs)) { - prom_printf("SunZilog: Cannot get IRQ property for Zilog %d.\n", - chip); - prom_halt(); - } - if (zilog_irq == -1) { - zilog_irq = irq_info[0].pri; - } else if (zilog_irq != irq_info[0].pri) { - /* XXX. Dumb. Should handle per-chip IRQ, for add-ons. */ - prom_printf("SunZilog: Inconsistent IRQ layout for Zilog %d.\n", - chip); - prom_halt(); + size = NUM_SUNZILOG * sizeof(struct zilog_layout __iomem *); + sunzilog_chip_regs = kzalloc(size, GFP_KERNEL); + if (!sunzilog_chip_regs) { + kfree(sunzilog_port_table); + sunzilog_irq_chain = NULL; + return -ENOMEM; } - return (struct zilog_layout __iomem *) mapped_addr; + return 0; } -#endif /* !(CONFIG_SPARC64) */ -/* Get the address of the registers for SunZilog instance CHIP. */ -static struct zilog_layout __iomem * __init get_zs(int chip, int node) +static void sunzilog_free_tables(void) { - if (chip < 0 || chip >= NUM_SUNZILOG) { - prom_printf("SunZilog: Illegal chip number %d in get_zs.\n", chip); - prom_halt(); - } - -#ifdef CONFIG_SPARC64 - return get_zs_sun4u(chip, node); -#else - - if (sparc_cpu_model == sun4) { - struct resource res; - - /* Not probe-able, hard code it. */ - switch (chip) { - case 0: - res.start = 0xf1000000; - break; - case 1: - res.start = 0xf0000000; - break; - }; - zilog_irq = 12; - res.end = (res.start + (8 - 1)); - res.flags = IORESOURCE_IO; - return sbus_ioremap(&res, 0, 8, "SunZilog"); - } - - return get_zs_sun4cmd(chip, node); -#endif + kfree(sunzilog_port_table); + sunzilog_irq_chain = NULL; + kfree(sunzilog_chip_regs); } #define ZS_PUT_CHAR_MAX_DELAY 2000 /* 10 ms */ @@ -1261,7 +1067,7 @@ static void sunzilog_putchar(struct uart_port *port, int ch) * udelay with ZSDELAY as that is a NOP on some platforms. -DaveM */ do { - unsigned char val = sbus_readb(&channel->control); + unsigned char val = readb(&channel->control); if (val & Tx_BUF_EMP) { ZSDELAY(); break; @@ -1269,7 +1075,7 @@ static void sunzilog_putchar(struct uart_port *port, int ch) udelay(5); } while (--loops); - sbus_writeb(ch, &channel->data); + writeb(ch, &channel->data); ZSDELAY(); ZS_WSYNC(channel); } @@ -1340,6 +1146,9 @@ static int __init sunzilog_console_setup(struct console *con, char *options) unsigned long flags; int baud, brg; + if (up->port.type != PORT_SUNZILOG) + return -1; + printk(KERN_INFO "Console: ttyS%d (SunZilog zs%d)\n", (sunzilog_reg.minor - 64) + con->index, con->index); @@ -1386,28 +1195,6 @@ static struct console sunzilog_console = { .data = &sunzilog_reg, }; -static int __init sunzilog_console_init(void) -{ - int i; - - if (con_is_present()) - return 0; - - for (i = 0; i < NUM_CHANNELS; i++) { - int this_minor = sunzilog_reg.minor + i; - - if ((this_minor - 64) == (serial_console - 1)) - break; - } - if (i == NUM_CHANNELS) - return 0; - - sunzilog_console.index = i; - sunzilog_port_table[i].flags |= SUNZILOG_FLAG_IS_CONS; - register_console(&sunzilog_console); - return 0; -} - static inline struct console *SUNZILOG_CONSOLE(void) { int i; @@ -1432,116 +1219,19 @@ static inline struct console *SUNZILOG_CONSOLE(void) #else #define SUNZILOG_CONSOLE() (NULL) -#define sunzilog_console_init() do { } while (0) #endif -/* - * We scan the PROM tree recursively. This is the most reliable way - * to find Zilog nodes on various platforms. However, we face an extreme - * shortage of kernel stack, so we must be very careful. To that end, - * we scan only to a certain depth, and we use a common property buffer - * in the scan structure. - */ -#define ZS_PROPSIZE 128 -#define ZS_SCAN_DEPTH 5 - -struct zs_probe_scan { - int depth; - void (*scanner)(struct zs_probe_scan *t, int node); - - int devices; - char prop[ZS_PROPSIZE]; -}; - -static int __inline__ sunzilog_node_ok(int node, const char *name, int len) -{ - if (strncmp(name, "zs", len) == 0) - return 1; - /* Don't fold this procedure just yet. Compare to su_node_ok(). */ - return 0; -} - -static void __init sunzilog_scan(struct zs_probe_scan *t, int node) -{ - int len; - - for (; node != 0; node = prom_getsibling(node)) { - len = prom_getproperty(node, "name", t->prop, ZS_PROPSIZE); - if (len <= 1) - continue; /* Broken PROM node */ - if (sunzilog_node_ok(node, t->prop, len)) { - (*t->scanner)(t, node); - } else { - if (t->depth < ZS_SCAN_DEPTH) { - t->depth++; - sunzilog_scan(t, prom_getchild(node)); - --t->depth; - } - } - } -} - -static void __init sunzilog_prepare(void) -{ - struct uart_sunzilog_port *up; - struct zilog_layout __iomem *rp; - int channel, chip; - - /* - * Temporary fix. - */ - for (channel = 0; channel < NUM_CHANNELS; channel++) - spin_lock_init(&sunzilog_port_table[channel].port.lock); - - sunzilog_irq_chain = up = &sunzilog_port_table[0]; - for (channel = 0; channel < NUM_CHANNELS - 1; channel++) - up[channel].next = &up[channel + 1]; - up[channel].next = NULL; - - for (chip = 0; chip < NUM_SUNZILOG; chip++) { - rp = sunzilog_chip_regs[chip]; - up[(chip * 2) + 0].port.membase = (void __iomem *)&rp->channelA; - up[(chip * 2) + 1].port.membase = (void __iomem *)&rp->channelB; - - /* Channel A */ - up[(chip * 2) + 0].port.iotype = UPIO_MEM; - up[(chip * 2) + 0].port.irq = zilog_irq; - up[(chip * 2) + 0].port.uartclk = ZS_CLOCK; - up[(chip * 2) + 0].port.fifosize = 1; - up[(chip * 2) + 0].port.ops = &sunzilog_pops; - up[(chip * 2) + 0].port.type = PORT_SUNZILOG; - up[(chip * 2) + 0].port.flags = 0; - up[(chip * 2) + 0].port.line = (chip * 2) + 0; - up[(chip * 2) + 0].flags |= SUNZILOG_FLAG_IS_CHANNEL_A; - - /* Channel B */ - up[(chip * 2) + 1].port.iotype = UPIO_MEM; - up[(chip * 2) + 1].port.irq = zilog_irq; - up[(chip * 2) + 1].port.uartclk = ZS_CLOCK; - up[(chip * 2) + 1].port.fifosize = 1; - up[(chip * 2) + 1].port.ops = &sunzilog_pops; - up[(chip * 2) + 1].port.type = PORT_SUNZILOG; - up[(chip * 2) + 1].port.flags = 0; - up[(chip * 2) + 1].port.line = (chip * 2) + 1; - up[(chip * 2) + 1].flags |= 0; - } -} - static void __init sunzilog_init_kbdms(struct uart_sunzilog_port *up, int channel) { int baud, brg; - if (channel == KEYBOARD_LINE) { - up->flags |= SUNZILOG_FLAG_CONS_KEYB; + if (up->flags & SUNZILOG_FLAG_CONS_KEYB) { up->cflag = B1200 | CS8 | CLOCAL | CREAD; baud = 1200; } else { - up->flags |= SUNZILOG_FLAG_CONS_MOUSE; up->cflag = B4800 | CS8 | CLOCAL | CREAD; baud = 4800; } - printk(KERN_INFO "zs%d at 0x%p (irq = %d) is a SunZilog\n", - channel, up->port.membase, zilog_irq); up->curregs[R15] = BRKIE; brg = BPS_TO_BRG(baud, ZS_CLOCK / ZS_CLOCK_DIVISOR); @@ -1551,218 +1241,290 @@ static void __init sunzilog_init_kbdms(struct uart_sunzilog_port *up, int channe } #ifdef CONFIG_SERIO -static void __init sunzilog_register_serio(struct uart_sunzilog_port *up, int channel) +static void __init sunzilog_register_serio(struct uart_sunzilog_port *up) { - struct serio *serio; - - up->serio = serio = kmalloc(sizeof(struct serio), GFP_KERNEL); - if (serio) { - memset(serio, 0, sizeof(*serio)); - - serio->port_data = up; - - serio->id.type = SERIO_RS232; - if (channel == KEYBOARD_LINE) { - serio->id.proto = SERIO_SUNKBD; - strlcpy(serio->name, "zskbd", sizeof(serio->name)); - } else { - serio->id.proto = SERIO_SUN; - serio->id.extra = 1; - strlcpy(serio->name, "zsms", sizeof(serio->name)); - } - strlcpy(serio->phys, - (channel == KEYBOARD_LINE ? "zs/serio0" : "zs/serio1"), - sizeof(serio->phys)); + struct serio *serio = &up->serio; - serio->write = sunzilog_serio_write; - serio->open = sunzilog_serio_open; - serio->close = sunzilog_serio_close; + serio->port_data = up; - serio_register_port(serio); + serio->id.type = SERIO_RS232; + if (up->flags & SUNZILOG_FLAG_CONS_KEYB) { + serio->id.proto = SERIO_SUNKBD; + strlcpy(serio->name, "zskbd", sizeof(serio->name)); } else { - printk(KERN_WARNING "zs%d: not enough memory for serio port\n", - channel); + serio->id.proto = SERIO_SUN; + serio->id.extra = 1; + strlcpy(serio->name, "zsms", sizeof(serio->name)); } + strlcpy(serio->phys, + ((up->flags & SUNZILOG_FLAG_CONS_KEYB) ? + "zs/serio0" : "zs/serio1"), + sizeof(serio->phys)); + + serio->write = sunzilog_serio_write; + serio->open = sunzilog_serio_open; + serio->close = sunzilog_serio_close; + serio->dev.parent = up->port.dev; + + serio_register_port(serio); } #endif -static void __init sunzilog_init_hw(void) +static void __devinit sunzilog_init_hw(struct uart_sunzilog_port *up) { - int i; - - for (i = 0; i < NUM_CHANNELS; i++) { - struct uart_sunzilog_port *up = &sunzilog_port_table[i]; - struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(&up->port); - unsigned long flags; - int baud, brg; + struct zilog_channel __iomem *channel; + unsigned long flags; + int baud, brg; - spin_lock_irqsave(&up->port.lock, flags); + channel = ZILOG_CHANNEL_FROM_PORT(&up->port); - if (ZS_IS_CHANNEL_A(up)) { - write_zsreg(channel, R9, FHWRES); - ZSDELAY_LONG(); - (void) read_zsreg(channel, R0); - } + spin_lock_irqsave(&up->port.lock, flags); + if (ZS_IS_CHANNEL_A(up)) { + write_zsreg(channel, R9, FHWRES); + ZSDELAY_LONG(); + (void) read_zsreg(channel, R0); + } - if (i == KEYBOARD_LINE || i == MOUSE_LINE) { - sunzilog_init_kbdms(up, i); - up->curregs[R9] |= (NV | MIE); - write_zsreg(channel, R9, up->curregs[R9]); - } else { - /* Normal serial TTY. */ - up->parity_mask = 0xff; - up->curregs[R1] = EXT_INT_ENAB | INT_ALL_Rx | TxINT_ENAB; - up->curregs[R4] = PAR_EVEN | X16CLK | SB1; - up->curregs[R3] = RxENAB | Rx8; - up->curregs[R5] = TxENAB | Tx8; - up->curregs[R9] = NV | MIE; - up->curregs[R10] = NRZ; - up->curregs[R11] = TCBR | RCBR; - baud = 9600; - brg = BPS_TO_BRG(baud, ZS_CLOCK / ZS_CLOCK_DIVISOR); - up->curregs[R12] = (brg & 0xff); - up->curregs[R13] = (brg >> 8) & 0xff; - up->curregs[R14] = BRSRC | BRENAB; - __load_zsregs(channel, up->curregs); - write_zsreg(channel, R9, up->curregs[R9]); - } + if (up->flags & (SUNZILOG_FLAG_CONS_KEYB | + SUNZILOG_FLAG_CONS_MOUSE)) { + sunzilog_init_kbdms(up, up->port.line); + up->curregs[R9] |= (NV | MIE); + write_zsreg(channel, R9, up->curregs[R9]); + } else { + /* Normal serial TTY. */ + up->parity_mask = 0xff; + up->curregs[R1] = EXT_INT_ENAB | INT_ALL_Rx | TxINT_ENAB; + up->curregs[R4] = PAR_EVEN | X16CLK | SB1; + up->curregs[R3] = RxENAB | Rx8; + up->curregs[R5] = TxENAB | Tx8; + up->curregs[R9] = NV | MIE; + up->curregs[R10] = NRZ; + up->curregs[R11] = TCBR | RCBR; + baud = 9600; + brg = BPS_TO_BRG(baud, ZS_CLOCK / ZS_CLOCK_DIVISOR); + up->curregs[R12] = (brg & 0xff); + up->curregs[R13] = (brg >> 8) & 0xff; + up->curregs[R14] = BRSRC | BRENAB; + __load_zsregs(channel, up->curregs); + write_zsreg(channel, R9, up->curregs[R9]); + } - spin_unlock_irqrestore(&up->port.lock, flags); + spin_unlock_irqrestore(&up->port.lock, flags); #ifdef CONFIG_SERIO - if (i == KEYBOARD_LINE || i == MOUSE_LINE) - sunzilog_register_serio(up, i); + if (up->flags & (SUNZILOG_FLAG_CONS_KEYB | + SUNZILOG_FLAG_CONS_MOUSE)) + sunzilog_register_serio(up); #endif - } } -static struct zilog_layout __iomem * __init get_zs(int chip, int node); - -static void __init sunzilog_scan_probe(struct zs_probe_scan *t, int node) -{ - sunzilog_chip_regs[t->devices] = get_zs(t->devices, node); - t->devices++; -} +static int zilog_irq = -1; -static int __init sunzilog_ports_init(void) +static int __devinit zs_probe(struct of_device *op, const struct of_device_id *match) { - struct zs_probe_scan scan; - int ret; - int uart_count; - int i; + static int inst; + struct uart_sunzilog_port *up; + struct zilog_layout __iomem *rp; + int keyboard_mouse; + int err; - printk(KERN_DEBUG "SunZilog: %d chips.\n", NUM_SUNZILOG); + keyboard_mouse = 0; + if (of_find_property(op->node, "keyboard", NULL)) + keyboard_mouse = 1; + + sunzilog_chip_regs[inst] = of_ioremap(&op->resource[0], 0, + sizeof(struct zilog_layout), + "zs"); + if (!sunzilog_chip_regs[inst]) + return -ENOMEM; + + rp = sunzilog_chip_regs[inst]; + + if (zilog_irq == -1) + zilog_irq = op->irqs[0]; + + up = &sunzilog_port_table[inst * 2]; + + /* Channel A */ + up[0].port.mapbase = op->resource[0].start + 0x00; + up[0].port.membase = (void __iomem *) &rp->channelA; + up[0].port.iotype = UPIO_MEM; + up[0].port.irq = op->irqs[0]; + up[0].port.uartclk = ZS_CLOCK; + up[0].port.fifosize = 1; + up[0].port.ops = &sunzilog_pops; + up[0].port.type = PORT_SUNZILOG; + up[0].port.flags = 0; + up[0].port.line = (inst * 2) + 0; + up[0].port.dev = &op->dev; + up[0].flags |= SUNZILOG_FLAG_IS_CHANNEL_A; + if (keyboard_mouse) + up[0].flags |= SUNZILOG_FLAG_CONS_KEYB; + sunzilog_init_hw(&up[0]); + + /* Channel B */ + up[1].port.mapbase = op->resource[0].start + 0x04; + up[1].port.membase = (void __iomem *) &rp->channelB; + up[1].port.iotype = UPIO_MEM; + up[1].port.irq = op->irqs[0]; + up[1].port.uartclk = ZS_CLOCK; + up[1].port.fifosize = 1; + up[1].port.ops = &sunzilog_pops; + up[1].port.type = PORT_SUNZILOG; + up[1].port.flags = 0; + up[1].port.line = (inst * 2) + 1; + up[1].port.dev = &op->dev; + up[1].flags |= 0; + if (keyboard_mouse) + up[1].flags |= SUNZILOG_FLAG_CONS_MOUSE; + sunzilog_init_hw(&up[1]); + + if (!keyboard_mouse) { + err = uart_add_one_port(&sunzilog_reg, &up[0].port); + if (err) { + of_iounmap(rp, sizeof(struct zilog_layout)); + return err; + } + err = uart_add_one_port(&sunzilog_reg, &up[1].port); + if (err) { + uart_remove_one_port(&sunzilog_reg, &up[0].port); + of_iounmap(rp, sizeof(struct zilog_layout)); + return err; + } + } else { + printk(KERN_INFO "%s: Keyboard at MMIO %lx (irq = %d) " + "is a zs\n", + op->dev.bus_id, up[0].port.mapbase, op->irqs[0]); + printk(KERN_INFO "%s: Mouse at MMIO %lx (irq = %d) " + "is a zs\n", + op->dev.bus_id, up[1].port.mapbase, op->irqs[0]); + } - scan.scanner = sunzilog_scan_probe; - scan.depth = 0; - scan.devices = 0; - sunzilog_scan(&scan, prom_getchild(prom_root_node)); + dev_set_drvdata(&op->dev, &up[0]); - sunzilog_prepare(); + inst++; - if (request_irq(zilog_irq, sunzilog_interrupt, SA_SHIRQ, - "SunZilog", sunzilog_irq_chain)) { - prom_printf("SunZilog: Unable to register zs interrupt handler.\n"); - prom_halt(); - } + return 0; +} - sunzilog_init_hw(); +static void __devexit zs_remove_one(struct uart_sunzilog_port *up) +{ + if (ZS_IS_KEYB(up) || ZS_IS_MOUSE(up)) { +#ifdef CONFIG_SERIO + serio_unregister_port(&up->serio); +#endif + } else + uart_remove_one_port(&sunzilog_reg, &up->port); +} - /* We can only init this once we have probed the Zilogs - * in the system. Do not count channels assigned to keyboards - * or mice when we are deciding how many ports to register. - */ - uart_count = 0; - for (i = 0; i < NUM_CHANNELS; i++) { - struct uart_sunzilog_port *up = &sunzilog_port_table[i]; +static int __devexit zs_remove(struct of_device *dev) +{ + struct uart_sunzilog_port *up = dev_get_drvdata(&dev->dev); + struct zilog_layout __iomem *regs; - if (ZS_IS_KEYB(up) || ZS_IS_MOUSE(up)) - continue; + zs_remove_one(&up[0]); + zs_remove_one(&up[1]); - uart_count++; - } - - sunzilog_reg.nr = uart_count; - sunzilog_reg.minor = sunserial_current_minor; + regs = sunzilog_chip_regs[up[0].port.line / 2]; + of_iounmap(regs, sizeof(struct zilog_layout)); - ret = uart_register_driver(&sunzilog_reg); - if (ret == 0) { - sunzilog_reg.tty_driver->name_base = sunzilog_reg.minor - 64; - sunzilog_reg.cons = SUNZILOG_CONSOLE(); + dev_set_drvdata(&dev->dev, NULL); - sunserial_current_minor += uart_count; + return 0; +} - for (i = 0; i < NUM_CHANNELS; i++) { - struct uart_sunzilog_port *up = &sunzilog_port_table[i]; +static struct of_device_id zs_match[] = { + { + .name = "zs", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, zs_match); - if (ZS_IS_KEYB(up) || ZS_IS_MOUSE(up)) - continue; +static struct of_platform_driver zs_driver = { + .name = "zs", + .match_table = zs_match, + .probe = zs_probe, + .remove = __devexit_p(zs_remove), +}; - if (uart_add_one_port(&sunzilog_reg, &up->port)) { - printk(KERN_ERR - "SunZilog: failed to add port zs%d\n", i); - } - } +static int __init sunzilog_init(void) +{ + struct device_node *dp; + int err, uart_count; + int num_keybms; + + NUM_SUNZILOG = 0; + num_keybms = 0; + for_each_node_by_name(dp, "zs") { + NUM_SUNZILOG++; + if (of_find_property(dp, "keyboard", NULL)) + num_keybms++; } - return ret; -} + uart_count = 0; + if (NUM_SUNZILOG) { + int uart_count; -static void __init sunzilog_scan_count(struct zs_probe_scan *t, int node) -{ - t->devices++; -} + err = sunzilog_alloc_tables(); + if (err) + goto out; -static int __init sunzilog_ports_count(void) -{ - struct zs_probe_scan scan; + uart_count = (NUM_SUNZILOG * 2) - (2 * num_keybms); - /* Sun4 Zilog setup is hard coded, no probing to do. */ - if (sparc_cpu_model == sun4) - return 2; + sunzilog_reg.nr = uart_count; + sunzilog_reg.minor = sunserial_current_minor; + err = uart_register_driver(&sunzilog_reg); + if (err) + goto out_free_tables; - scan.scanner = sunzilog_scan_count; - scan.depth = 0; - scan.devices = 0; + sunzilog_reg.tty_driver->name_base = sunzilog_reg.minor - 64; + sunzilog_reg.cons = SUNZILOG_CONSOLE(); - sunzilog_scan(&scan, prom_getchild(prom_root_node)); + sunserial_current_minor += uart_count; + } - return scan.devices; -} + err = of_register_driver(&zs_driver, &of_bus_type); + if (err) + goto out_unregister_uart; -static int __init sunzilog_init(void) -{ + if (zilog_irq != -1) { + err = request_irq(zilog_irq, sunzilog_interrupt, IRQF_SHARED, + "zs", sunzilog_irq_chain); + if (err) + goto out_unregister_driver; + } - NUM_SUNZILOG = sunzilog_ports_count(); - if (NUM_SUNZILOG == 0) - return -ENODEV; +out: + return err; - sunzilog_alloc_tables(); +out_unregister_driver: + of_unregister_driver(&zs_driver); - sunzilog_ports_init(); +out_unregister_uart: + if (NUM_SUNZILOG) { + uart_unregister_driver(&sunzilog_reg); + sunzilog_reg.cons = NULL; + } - return 0; +out_free_tables: + sunzilog_free_tables(); + goto out; } static void __exit sunzilog_exit(void) { - int i; + of_unregister_driver(&zs_driver); - for (i = 0; i < NUM_CHANNELS; i++) { - struct uart_sunzilog_port *up = &sunzilog_port_table[i]; - - if (ZS_IS_KEYB(up) || ZS_IS_MOUSE(up)) { -#ifdef CONFIG_SERIO - if (up->serio) { - serio_unregister_port(up->serio); - up->serio = NULL; - } -#endif - } else - uart_remove_one_port(&sunzilog_reg, &up->port); + if (zilog_irq != -1) { + free_irq(zilog_irq, sunzilog_irq_chain); + zilog_irq = -1; } - uart_unregister_driver(&sunzilog_reg); + if (NUM_SUNZILOG) { + uart_unregister_driver(&sunzilog_reg); + sunzilog_free_tables(); + } } module_init(sunzilog_init); @@ -1770,4 +1532,5 @@ module_exit(sunzilog_exit); MODULE_AUTHOR("David S. Miller"); MODULE_DESCRIPTION("Sun Zilog serial port driver"); +MODULE_VERSION("2.0"); MODULE_LICENSE("GPL"); diff --git a/drivers/serial/v850e_uart.c b/drivers/serial/v850e_uart.c index df705fda424..f802867c95c 100644 --- a/drivers/serial/v850e_uart.c +++ b/drivers/serial/v850e_uart.c @@ -372,13 +372,13 @@ static int v850e_uart_startup (struct uart_port *port) /* Alloc RX irq. */ err = request_irq (V850E_UART_RX_IRQ (port->line), v850e_uart_rx_irq, - SA_INTERRUPT, "v850e_uart", port); + IRQF_DISABLED, "v850e_uart", port); if (err) return err; /* Alloc TX irq. */ err = request_irq (V850E_UART_TX_IRQ (port->line), v850e_uart_tx_irq, - SA_INTERRUPT, "v850e_uart", port); + IRQF_DISABLED, "v850e_uart", port); if (err) { free_irq (V850E_UART_RX_IRQ (port->line), port); return err; @@ -468,7 +468,6 @@ static struct uart_ops v850e_uart_ops = { static struct uart_driver v850e_uart_driver = { .owner = THIS_MODULE, .driver_name = "v850e_uart", - .devfs_name = "tts/", .dev_name = "ttyS", .major = TTY_MAJOR, .minor = V850E_UART_MINOR_BASE, diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c index df5e8713fa3..6c8b0ea83c3 100644 --- a/drivers/serial/vr41xx_siu.c +++ b/drivers/serial/vr41xx_siu.c @@ -19,7 +19,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/config.h> #if defined(CONFIG_SERIAL_VR41XX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -39,6 +38,7 @@ #include <linux/tty_flip.h> #include <asm/io.h> +#include <asm/vr41xx/irq.h> #include <asm/vr41xx/siu.h> #include <asm/vr41xx/vr41xx.h> @@ -911,7 +911,6 @@ static struct uart_driver siu_uart_driver = { .owner = THIS_MODULE, .driver_name = "SIU", .dev_name = "ttyVR", - .devfs_name = "ttvr/", .major = SIU_MAJOR, .minor = SIU_MINOR_BASE, .cons = SERIAL_VR41XX_CONSOLE, |