diff options
Diffstat (limited to 'drivers/serial')
-rw-r--r-- | drivers/serial/8250.c | 15 | ||||
-rw-r--r-- | drivers/serial/8250_pci.c | 50 | ||||
-rw-r--r-- | drivers/serial/8250_pnp.c | 2 | ||||
-rw-r--r-- | drivers/serial/Kconfig | 2 | ||||
-rw-r--r-- | drivers/serial/atmel_serial.c | 6 | ||||
-rw-r--r-- | drivers/serial/jsm/jsm_driver.c | 5 | ||||
-rw-r--r-- | drivers/serial/jsm/jsm_tty.c | 6 | ||||
-rw-r--r-- | drivers/serial/mcf.c | 11 | ||||
-rw-r--r-- | drivers/serial/of_serial.c | 1 | ||||
-rw-r--r-- | drivers/serial/pnx8xxx_uart.c | 23 | ||||
-rw-r--r-- | drivers/serial/sh-sci.h | 7 |
11 files changed, 112 insertions, 16 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 0d934bfbdd9..b4b39811b44 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2083,6 +2083,20 @@ static int serial8250_startup(struct uart_port *port) serial8250_set_mctrl(&up->port, up->port.mctrl); + /* Serial over Lan (SoL) hack: + Intel 8257x Gigabit ethernet chips have a + 16550 emulation, to be used for Serial Over Lan. + Those chips take a longer time than a normal + serial device to signalize that a transmission + data was queued. Due to that, the above test generally + fails. One solution would be to delay the reading of + iir. However, this is not reliable, since the timeout + is variable. So, let's just don't test if we receive + TX irq. This way, we'll never enable UART_BUG_TXEN. + */ + if (up->port.flags & UPF_NO_TXEN_TEST) + goto dont_test_tx_en; + /* * Do a quick test to see if we receive an * interrupt when we enable the TX irq. @@ -2102,6 +2116,7 @@ static int serial8250_startup(struct uart_port *port) up->bugs &= ~UART_BUG_TXEN; } +dont_test_tx_en: spin_unlock_irqrestore(&up->port.lock, flags); /* diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index c088146b751..533f82025ad 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -602,6 +602,10 @@ static int pci_netmos_init(struct pci_dev *dev) /* subdevice 0x00PS means <P> parallel, <S> serial */ unsigned int num_serial = dev->subsystem_device & 0xf; + if (dev->subsystem_vendor == PCI_VENDOR_ID_IBM && + dev->subsystem_device == 0x0299) + return 0; + if (num_serial == 0) return -ENODEV; return num_serial; @@ -794,6 +798,21 @@ pci_default_setup(struct serial_private *priv, return setup_port(priv, port, bar, offset, board->reg_shift); } +static int skip_tx_en_setup(struct serial_private *priv, + const struct pciserial_board *board, + struct uart_port *port, int idx) +{ + port->flags |= UPF_NO_TXEN_TEST; + printk(KERN_DEBUG "serial8250: skipping TxEn test for device " + "[%04x:%04x] subsystem [%04x:%04x]\n", + priv->dev->vendor, + priv->dev->device, + priv->dev->subsystem_vendor, + priv->dev->subsystem_device); + + return pci_default_setup(priv, board, port, idx); +} + /* This should be in linux/pci_ids.h */ #define PCI_VENDOR_ID_SBSMODULARIO 0x124B #define PCI_SUBVENDOR_ID_SBSMODULARIO 0x124B @@ -802,6 +821,8 @@ pci_default_setup(struct serial_private *priv, #define PCI_SUBDEVICE_ID_OCTPRO422 0x0208 #define PCI_SUBDEVICE_ID_POCTAL232 0x0308 #define PCI_SUBDEVICE_ID_POCTAL422 0x0408 +#define PCI_VENDOR_ID_ADVANTECH 0x13fe +#define PCI_DEVICE_ID_ADVANTECH_PCI3620 0x3620 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */ #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584 @@ -858,6 +879,27 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { .init = pci_inteli960ni_init, .setup = pci_default_setup, }, + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_8257X_SOL, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = skip_tx_en_setup, + }, + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_82573L_SOL, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = skip_tx_en_setup, + }, + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_82573E_SOL, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = skip_tx_en_setup, + }, /* * ITE */ @@ -2148,6 +2190,10 @@ static int pciserial_resume_one(struct pci_dev *dev) #endif static struct pci_device_id serial_pci_tbl[] = { + /* Advantech use PCI_DEVICE_ID_ADVANTECH_PCI3620 (0x3620) as 'PCI_SUBVENDOR_ID' */ + { PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI3620, + PCI_DEVICE_ID_ADVANTECH_PCI3620, 0x0001, 0, 0, + pbn_b2_8_921600 }, { PCI_VENDOR_ID_V3, PCI_DEVICE_ID_V3_V960, PCI_SUBVENDOR_ID_CONNECT_TECH, PCI_SUBDEVICE_ID_CONNECT_TECH_BH8_232, 0, 0, @@ -3096,6 +3142,10 @@ static struct pci_device_id serial_pci_tbl[] = { 0, pbn_b0_8_115200 }, + { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, + PCI_VENDOR_ID_IBM, 0x0299, + 0, 0, pbn_b0_bt_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 fde7f9ccf57..bbcfc26a3b6 100644 --- a/drivers/serial/8250_pnp.c +++ b/drivers/serial/8250_pnp.c @@ -270,6 +270,8 @@ static const struct pnp_device_id pnp_dev_table[] = { { "RSS0250", 0 }, /* SupraExpress 28.8 Data/Fax PnP modem */ { "SUP1310", 0 }, + /* SupraExpress 336i PnP Voice Modem */ + { "SUP1381", 0 }, /* SupraExpress 33.6 Data/Fax PnP modem */ { "SUP1421", 0 }, /* SupraExpress 33.6 Data/Fax PnP modem */ diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 3e525e38a5d..7d7f576da20 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -982,7 +982,7 @@ config SERIAL_SH_SCI_CONSOLE config SERIAL_PNX8XXX bool "Enable PNX8XXX SoCs' UART Support" - depends on MIPS && SOC_PNX8550 + depends on MIPS && (SOC_PNX8550 || SOC_PNX833X) select SERIAL_CORE help If you have a MIPS-based Philips SoC such as PNX8550 or PNX8330 diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index d5efd6c7790..8f58f7ff0dd 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -579,7 +579,7 @@ static void atmel_tx_dma(struct uart_port *port) /* disable PDC transmit */ UART_PUT_PTCR(port, ATMEL_PDC_TXTDIS); - if (!uart_circ_empty(xmit)) { + if (!uart_circ_empty(xmit) && !uart_tx_stopped(port)) { dma_sync_single_for_device(port->dev, pdc->dma_addr, pdc->dma_size, @@ -877,6 +877,10 @@ static int atmel_startup(struct uart_port *port) } } + /* Save current CSR for comparison in atmel_tasklet_func() */ + atmel_port->irq_status_prev = UART_GET_CSR(port); + atmel_port->irq_status = atmel_port->irq_status_prev; + /* * Finally, enable the serial port */ diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c index 338cf8a08b4..ac79cbe4c2c 100644 --- a/drivers/serial/jsm/jsm_driver.c +++ b/drivers/serial/jsm/jsm_driver.c @@ -84,6 +84,8 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent) brd->pci_dev = pdev; if (pdev->device == PCIE_DEVICE_ID_NEO_4_IBM) brd->maxports = 4; + else if (pdev->device == PCI_DEVICE_ID_DIGI_NEO_8) + brd->maxports = 8; else brd->maxports = 2; @@ -180,7 +182,7 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent) return rc; } -static void jsm_remove_one(struct pci_dev *pdev) +static void __devexit jsm_remove_one(struct pci_dev *pdev) { struct jsm_board *brd = pci_get_drvdata(pdev); int i = 0; @@ -212,6 +214,7 @@ static struct pci_device_id jsm_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45), 0, 0, 2 }, { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45PRI), 0, 0, 3 }, { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCIE_DEVICE_ID_NEO_4_IBM), 0, 0, 4 }, + { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_DIGI_NEO_8), 0, 0, 5 }, { 0, } }; MODULE_DEVICE_TABLE(pci, jsm_pci_tbl); diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c index 3547558d2ca..324c74d2f66 100644 --- a/drivers/serial/jsm/jsm_tty.c +++ b/drivers/serial/jsm/jsm_tty.c @@ -161,6 +161,11 @@ static void jsm_tty_stop_rx(struct uart_port *port) channel->ch_bd->bd_ops->disable_receiver(channel); } +static void jsm_tty_enable_ms(struct uart_port *port) +{ + /* Nothing needed */ +} + static void jsm_tty_break(struct uart_port *port, int break_state) { unsigned long lock_flags; @@ -345,6 +350,7 @@ static struct uart_ops jsm_ops = { .start_tx = jsm_tty_start_tx, .send_xchar = jsm_tty_send_xchar, .stop_rx = jsm_tty_stop_rx, + .enable_ms = jsm_tty_enable_ms, .break_ctl = jsm_tty_break, .startup = jsm_tty_open, .shutdown = jsm_tty_close, diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c index b2001c5b145..56841fe5f48 100644 --- a/drivers/serial/mcf.c +++ b/drivers/serial/mcf.c @@ -212,10 +212,18 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios, { unsigned long flags; unsigned int baud, baudclk; +#if defined(CONFIG_M5272) + unsigned int baudfr; +#endif unsigned char mr1, mr2; baud = uart_get_baud_rate(port, termios, old, 0, 230400); +#if defined(CONFIG_M5272) + baudclk = (MCF_BUSCLK / baud) / 32; + baudfr = (((MCF_BUSCLK / baud) + 1) / 2) % 16; +#else baudclk = ((MCF_BUSCLK / baud) + 16) / 32; +#endif mr1 = MCFUART_MR1_RXIRQRDY | MCFUART_MR1_RXERRCHAR; mr2 = 0; @@ -262,6 +270,9 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios, writeb(mr2, port->membase + MCFUART_UMR); writeb((baudclk & 0xff00) >> 8, port->membase + MCFUART_UBG1); writeb((baudclk & 0xff), port->membase + MCFUART_UBG2); +#if defined(CONFIG_M5272) + writeb((baudfr & 0x0f), port->membase + MCFUART_UFPD); +#endif writeb(MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER, port->membase + MCFUART_UCSR); writeb(MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE, diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c index a821e3a3d66..14f8fa9135b 100644 --- a/drivers/serial/of_serial.c +++ b/drivers/serial/of_serial.c @@ -163,6 +163,7 @@ static struct of_device_id __devinitdata of_platform_serial_table[] = { { .type = "serial", .compatible = "ns16450", .data = (void *)PORT_16450, }, { .type = "serial", .compatible = "ns16550", .data = (void *)PORT_16550, }, { .type = "serial", .compatible = "ns16750", .data = (void *)PORT_16750, }, + { .type = "serial", .compatible = "ns16850", .data = (void *)PORT_16850, }, #ifdef CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL { .type = "serial", .compatible = "ibm,qpace-nwp-serial", .data = (void *)PORT_NWPSERIAL, }, diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c index 22e30d21225..1bb8f1b4576 100644 --- a/drivers/serial/pnx8xxx_uart.c +++ b/drivers/serial/pnx8xxx_uart.c @@ -187,7 +187,7 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport) status = FIFO_TO_SM(serial_in(sport, PNX8XXX_FIFO)) | ISTAT_TO_SM(serial_in(sport, PNX8XXX_ISTAT)); while (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFIFO)) { - ch = serial_in(sport, PNX8XXX_FIFO); + ch = serial_in(sport, PNX8XXX_FIFO) & 0xff; sport->port.icount.rx++; @@ -198,9 +198,16 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport) * out of the main execution path */ if (status & (FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE | - PNX8XXX_UART_FIFO_RXPAR) | + PNX8XXX_UART_FIFO_RXPAR | + PNX8XXX_UART_FIFO_RXBRK) | ISTAT_TO_SM(PNX8XXX_UART_INT_RXOVRN))) { - if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR)) + if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXBRK)) { + status &= ~(FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE) | + FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR)); + sport->port.icount.brk++; + if (uart_handle_break(&sport->port)) + goto ignore_char; + } else if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR)) sport->port.icount.parity++; else if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE)) sport->port.icount.frame++; @@ -284,14 +291,8 @@ static irqreturn_t pnx8xxx_int(int irq, void *dev_id) /* Get the interrupts */ status = serial_in(sport, PNX8XXX_ISTAT) & serial_in(sport, PNX8XXX_IEN); - /* Break signal received */ - if (status & PNX8XXX_UART_INT_BREAK) { - sport->port.icount.brk++; - uart_handle_break(&sport->port); - } - - /* Byte received */ - if (status & PNX8XXX_UART_INT_RX) + /* Byte or break signal received */ + if (status & (PNX8XXX_UART_INT_RX | PNX8XXX_UART_INT_BREAK)) pnx8xxx_rx_chars(sport); /* TX holding register empty - transmit a byte */ diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 38c600c0dbb..022e89ffec1 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -32,7 +32,9 @@ #elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \ defined(CONFIG_CPU_SUBTYPE_SH7721) # define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */ -#define SCIF_ORER 0x0200 /* overrun error bit */ +# define PORT_PTCR 0xA405011EUL +# define PORT_PVCR 0xA4050122UL +# define SCIF_ORER 0x0200 /* overrun error bit */ #elif defined(CONFIG_SH_RTS7751R2D) # define SCSPTR1 0xFFE0001C /* 8 bit SCIF */ # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */ @@ -131,7 +133,7 @@ # define SCSPTR3 0xffed0024 /* 16 bit SCIF */ # define SCSPTR4 0xffee0024 /* 16 bit SCIF */ # define SCSPTR5 0xffef0024 /* 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 */ #elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \ defined(CONFIG_CPU_SUBTYPE_SH7203) || \ @@ -393,6 +395,7 @@ SCIx_FNS(SCSCR, 0x08, 16, 0x08, 16) SCIx_FNS(SCxTDR, 0x20, 8, 0x0c, 8) SCIx_FNS(SCxSR, 0x14, 16, 0x10, 16) SCIx_FNS(SCxRDR, 0x24, 8, 0x14, 8) +SCIx_FNS(SCSPTR, 0, 0, 0, 0) SCIF_FNS(SCTDSR, 0x0c, 8) SCIF_FNS(SCFER, 0x10, 16) SCIF_FNS(SCFCR, 0x18, 16) |