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authorLinus Torvalds <torvalds@g5.osdl.org>2006-01-09 15:09:30 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-09 15:09:30 -0800
commit3995f4c5327595b51482bdac8c189736262eb6e0 (patch)
treeef768d0ecf243a2376bfc646b847964313146d3e /drivers/serial
parent05814450070f13b671fc9dbf89477677aa0258cb (diff)
parentfe38ea5623d262afc0b92ea47b8a7d8c988521d2 (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/Kconfig23
-rw-r--r--drivers/serial/Makefile1
-rw-r--r--drivers/serial/uart00.c782
3 files changed, 0 insertions, 806 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 3fd5b999fda..1bae26a8a50 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -369,29 +369,6 @@ config SERIAL_21285_CONSOLE
your boot loader (lilo or loadlin) about how to pass options to the
kernel at boot time.)
-config SERIAL_UART00
- bool "Excalibur serial port (uart00) support"
- depends on ARM && ARCH_CAMELOT
- select SERIAL_CORE
- help
- Say Y here if you want to use the hard logic uart on Excalibur. This
- driver also supports soft logic implementations of this uart core.
-
-config SERIAL_UART00_CONSOLE
- bool "Support for console on Excalibur serial port"
- depends on SERIAL_UART00
- select SERIAL_CORE_CONSOLE
- help
- Say Y here if you want to support a serial console on an Excalibur
- hard logic uart or uart00 IP core.
-
- Even if you say Y here, the currently visible virtual 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=ttyS1". (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.)
-
config SERIAL_MPSC
bool "Marvell MPSC serial port support"
depends on PPC32 && MV64X60
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index d7c7c7180e3..137148bba4f 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -29,7 +29,6 @@ obj-$(CONFIG_SERIAL_CLPS711X) += clps711x.o
obj-$(CONFIG_SERIAL_PXA) += pxa.o
obj-$(CONFIG_SERIAL_SA1100) += sa1100.o
obj-$(CONFIG_SERIAL_S3C2410) += s3c2410.o
-obj-$(CONFIG_SERIAL_UART00) += uart00.o
obj-$(CONFIG_SERIAL_SUNCORE) += suncore.o
obj-$(CONFIG_SERIAL_SUNZILOG) += sunzilog.o
obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o
diff --git a/drivers/serial/uart00.c b/drivers/serial/uart00.c
deleted file mode 100644
index 47b504ff38b..00000000000
--- a/drivers/serial/uart00.c
+++ /dev/null
@@ -1,782 +0,0 @@
-/*
- * linux/drivers/serial/uart00.c
- *
- * Driver for UART00 serial ports
- *
- * Based on drivers/char/serial_amba.c, by ARM Limited &
- * Deep Blue Solutions Ltd.
- * Copyright 2001 Altera Corporation
- *
- * Update for 2.6.4 by Dirk Behme <dirk.behme@de.bosch.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: uart00.c,v 1.35 2002/07/28 10:03:28 rmk Exp $
- *
- */
-#include <linux/config.h>
-
-#if defined(CONFIG_SERIAL_UART00_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-#define SUPPORT_SYSRQ
-#endif
-
-#include <linux/module.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/console.h>
-#include <linux/sysrq.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/serial_core.h>
-#include <linux/serial.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/sizes.h>
-
-#include <asm/arch/excalibur.h>
-#define UART00_TYPE (volatile unsigned int*)
-#include <asm/arch/uart00.h>
-#include <asm/arch/int_ctrl00.h>
-
-#define UART_NR 2
-
-#define SERIAL_UART00_NAME "ttyUA"
-#define SERIAL_UART00_MAJOR 204
-#define SERIAL_UART00_MINOR 16 /* Temporary - will change in future */
-#define SERIAL_UART00_NR UART_NR
-#define UART_PORT_SIZE 0x50
-
-#define UART00_ISR_PASS_LIMIT 256
-
-/*
- * Access macros for the UART00 UARTs
- */
-#define UART_GET_INT_STATUS(p) inl(UART_ISR((p)->membase))
-#define UART_PUT_IES(p, c) outl(c,UART_IES((p)->membase))
-#define UART_GET_IES(p) inl(UART_IES((p)->membase))
-#define UART_PUT_IEC(p, c) outl(c,UART_IEC((p)->membase))
-#define UART_GET_IEC(p) inl(UART_IEC((p)->membase))
-#define UART_PUT_CHAR(p, c) outl(c,UART_TD((p)->membase))
-#define UART_GET_CHAR(p) inl(UART_RD((p)->membase))
-#define UART_GET_RSR(p) inl(UART_RSR((p)->membase))
-#define UART_GET_RDS(p) inl(UART_RDS((p)->membase))
-#define UART_GET_MSR(p) inl(UART_MSR((p)->membase))
-#define UART_GET_MCR(p) inl(UART_MCR((p)->membase))
-#define UART_PUT_MCR(p, c) outl(c,UART_MCR((p)->membase))
-#define UART_GET_MC(p) inl(UART_MC((p)->membase))
-#define UART_PUT_MC(p, c) outl(c,UART_MC((p)->membase))
-#define UART_GET_TSR(p) inl(UART_TSR((p)->membase))
-#define UART_GET_DIV_HI(p) inl(UART_DIV_HI((p)->membase))
-#define UART_PUT_DIV_HI(p,c) outl(c,UART_DIV_HI((p)->membase))
-#define UART_GET_DIV_LO(p) inl(UART_DIV_LO((p)->membase))
-#define UART_PUT_DIV_LO(p,c) outl(c,UART_DIV_LO((p)->membase))
-#define UART_RX_DATA(s) ((s) & UART_RSR_RX_LEVEL_MSK)
-#define UART_TX_READY(s) (((s) & UART_TSR_TX_LEVEL_MSK) < 15)
-//#define UART_TX_EMPTY(p) ((UART_GET_FR(p) & UART00_UARTFR_TMSK) == 0)
-
-static void uart00_stop_tx(struct uart_port *port)
-{
- UART_PUT_IEC(port, UART_IEC_TIE_MSK);
-}
-
-static void uart00_stop_rx(struct uart_port *port)
-{
- UART_PUT_IEC(port, UART_IEC_RE_MSK);
-}
-
-static void uart00_enable_ms(struct uart_port *port)
-{
- UART_PUT_IES(port, UART_IES_ME_MSK);
-}
-
-static void
-uart00_rx_chars(struct uart_port *port, struct pt_regs *regs)
-{
- struct tty_struct *tty = port->info->tty;
- unsigned int status, ch, rds, flg, ignored = 0;
-
- status = UART_GET_RSR(port);
- while (UART_RX_DATA(status)) {
- /*
- * We need to read rds before reading the
- * character from the fifo
- */
- rds = UART_GET_RDS(port);
- ch = UART_GET_CHAR(port);
- port->icount.rx++;
-
- if (tty->flip.count >= TTY_FLIPBUF_SIZE)
- goto ignore_char;
-
- flg = TTY_NORMAL;
-
- /*
- * Note that the error handling code is
- * out of the main execution path
- */
- if (rds & (UART_RDS_BI_MSK |UART_RDS_FE_MSK|
- UART_RDS_PE_MSK |UART_RDS_PE_MSK))
- goto handle_error;
- if (uart_handle_sysrq_char(port, ch, regs))
- goto ignore_char;
-
- error_return:
- tty_insert_flip_char(tty, ch, flg);
-
- ignore_char:
- status = UART_GET_RSR(port);
- }
- out:
- tty_flip_buffer_push(tty);
- return;
-
- handle_error:
- if (rds & UART_RDS_BI_MSK) {
- status &= ~(UART_RDS_FE_MSK | UART_RDS_PE_MSK);
- port->icount.brk++;
- if (uart_handle_break(port))
- goto ignore_char;
- } else if (rds & UART_RDS_PE_MSK)
- port->icount.parity++;
- else if (rds & UART_RDS_FE_MSK)
- port->icount.frame++;
- if (rds & UART_RDS_OE_MSK)
- port->icount.overrun++;
-
- if (rds & port->ignore_status_mask) {
- if (++ignored > 100)
- goto out;
- goto ignore_char;
- }
- rds &= port->read_status_mask;
-
- if (rds & UART_RDS_BI_MSK)
- flg = TTY_BREAK;
- else if (rds & UART_RDS_PE_MSK)
- flg = TTY_PARITY;
- else if (rds & UART_RDS_FE_MSK)
- flg = TTY_FRAME;
-
- if (rds & UART_RDS_OE_MSK) {
- /*
- * CHECK: does overrun affect the current character?
- * ASSUMPTION: it does not.
- */
- tty_insert_flip_char(tty, ch, flg);
- ch = 0;
- flg = TTY_OVERRUN;
- }
-#ifdef SUPPORT_SYSRQ
- port->sysrq = 0;
-#endif
- goto error_return;
-}
-
-static void uart00_tx_chars(struct uart_port *port)
-{
- struct circ_buf *xmit = &port->info->xmit;
- int count;
-
- if (port->x_char) {
- while ((UART_GET_TSR(port) & UART_TSR_TX_LEVEL_MSK) == 15)
- barrier();
- UART_PUT_CHAR(port, port->x_char);
- port->icount.tx++;
- port->x_char = 0;
- return;
- }
- if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
- uart00_stop_tx(port);
- return;
- }
-
- count = port->fifosize >> 1;
- do {
- while ((UART_GET_TSR(port) & UART_TSR_TX_LEVEL_MSK) == 15)
- barrier();
- UART_PUT_CHAR(port, xmit->buf[xmit->tail]);
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- port->icount.tx++;
- if (uart_circ_empty(xmit))
- break;
- } while (--count > 0);
-
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(port);
-
- if (uart_circ_empty(xmit))
- uart00_stop_tx(port);
-}
-
-static void uart00_start_tx(struct uart_port *port)
-{
- UART_PUT_IES(port, UART_IES_TIE_MSK);
- uart00_tx_chars(port);
-}
-
-static void uart00_modem_status(struct uart_port *port)
-{
- unsigned int status;
-
- status = UART_GET_MSR(port);
-
- if (!(status & (UART_MSR_DCTS_MSK | UART_MSR_DDSR_MSK |
- UART_MSR_TERI_MSK | UART_MSR_DDCD_MSK)))
- return;
-
- if (status & UART_MSR_DDCD_MSK)
- uart_handle_dcd_change(port, status & UART_MSR_DCD_MSK);
-
- if (status & UART_MSR_DDSR_MSK)
- port->icount.dsr++;
-
- if (status & UART_MSR_DCTS_MSK)
- uart_handle_cts_change(port, status & UART_MSR_CTS_MSK);
-
- wake_up_interruptible(&port->info->delta_msr_wait);
-}
-
-static irqreturn_t uart00_int(int irq, void *dev_id, struct pt_regs *regs)
-{
- struct uart_port *port = dev_id;
- unsigned int status, pass_counter = 0;
-
- status = UART_GET_INT_STATUS(port);
- do {
- if (status & UART_ISR_RI_MSK)
- uart00_rx_chars(port, regs);
- if (status & UART_ISR_MI_MSK)
- uart00_modem_status(port);
- if (status & (UART_ISR_TI_MSK | UART_ISR_TII_MSK))
- uart00_tx_chars(port);
- if (pass_counter++ > UART00_ISR_PASS_LIMIT)
- break;
-
- status = UART_GET_INT_STATUS(port);
- } while (status);
-
- return IRQ_HANDLED;
-}
-
-static unsigned int uart00_tx_empty(struct uart_port *port)
-{
- return UART_GET_TSR(port) & UART_TSR_TX_LEVEL_MSK? 0 : TIOCSER_TEMT;
-}
-
-static unsigned int uart00_get_mctrl(struct uart_port *port)
-{
- unsigned int result = 0;
- unsigned int status;
-
- status = UART_GET_MSR(port);
- if (status & UART_MSR_DCD_MSK)
- result |= TIOCM_CAR;
- if (status & UART_MSR_DSR_MSK)
- result |= TIOCM_DSR;
- if (status & UART_MSR_CTS_MSK)
- result |= TIOCM_CTS;
- if (status & UART_MSR_RI_MSK)
- result |= TIOCM_RI;
-
- return result;
-}
-
-static void uart00_set_mctrl_null(struct uart_port *port, unsigned int mctrl)
-{
-}
-
-static void uart00_break_ctl(struct uart_port *port, int break_state)
-{
- unsigned long flags;
- unsigned int mcr;
-
- spin_lock_irqsave(&port->lock, flags);
- mcr = UART_GET_MCR(port);
- if (break_state == -1)
- mcr |= UART_MCR_BR_MSK;
- else
- mcr &= ~UART_MCR_BR_MSK;
- UART_PUT_MCR(port, mcr);
- spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static void
-uart00_set_termios(struct uart_port *port, struct termios *termios,
- struct termios *old)
-{
- unsigned int uart_mc, old_ies, baud, quot;
- unsigned long flags;
-
- /*
- * We don't support CREAD (yet)
- */
- termios->c_cflag |= CREAD;
-
- /*
- * Ask the core to calculate the divisor for us.
- */
- baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
- quot = uart_get_divisor(port, baud);
-
- /* byte size and parity */
- switch (termios->c_cflag & CSIZE) {
- case CS5:
- uart_mc = UART_MC_CLS_CHARLEN_5;
- break;
- case CS6:
- uart_mc = UART_MC_CLS_CHARLEN_6;
- break;
- case CS7:
- uart_mc = UART_MC_CLS_CHARLEN_7;
- break;
- default: // CS8
- uart_mc = UART_MC_CLS_CHARLEN_8;
- break;
- }
- if (termios->c_cflag & CSTOPB)
- uart_mc|= UART_MC_ST_TWO;
- if (termios->c_cflag & PARENB) {
- uart_mc |= UART_MC_PE_MSK;
- if (!(termios->c_cflag & PARODD))
- uart_mc |= UART_MC_EP_MSK;
- }
-
- spin_lock_irqsave(&port->lock, flags);
-
- /*
- * Update the per-port timeout.
- */
- uart_update_timeout(port, termios->c_cflag, baud);
-
- port->read_status_mask = UART_RDS_OE_MSK;
- if (termios->c_iflag & INPCK)
- port->read_status_mask |= UART_RDS_FE_MSK | UART_RDS_PE_MSK;
- if (termios->c_iflag & (BRKINT | PARMRK))
- port->read_status_mask |= UART_RDS_BI_MSK;
-
- /*
- * Characters to ignore
- */
- port->ignore_status_mask = 0;
- if (termios->c_iflag & IGNPAR)
- port->ignore_status_mask |= UART_RDS_FE_MSK | UART_RDS_PE_MSK;
- if (termios->c_iflag & IGNBRK) {
- port->ignore_status_mask |= UART_RDS_BI_MSK;
- /*
- * If we're ignoring parity and break indicators,
- * ignore overruns to (for real raw support).
- */
- if (termios->c_iflag & IGNPAR)
- port->ignore_status_mask |= UART_RDS_OE_MSK;
- }
-
- /* first, disable everything */
- old_ies = UART_GET_IES(port);
-
- if (UART_ENABLE_MS(port, termios->c_cflag))
- old_ies |= UART_IES_ME_MSK;
-
- /* Set baud rate */
- UART_PUT_DIV_LO(port, (quot & 0xff));
- UART_PUT_DIV_HI(port, ((quot & 0xf00) >> 8));
-
- UART_PUT_MC(port, uart_mc);
- UART_PUT_IES(port, old_ies);
-
- spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static int uart00_startup(struct uart_port *port)
-{
- int result;
-
- /*
- * Allocate the IRQ
- */
- result = request_irq(port->irq, uart00_int, 0, "uart00", port);
- if (result) {
- printk(KERN_ERR "Request of irq %d failed\n", port->irq);
- return result;
- }
-
- /*
- * Finally, enable interrupts. Use the TII interrupt to minimise
- * the number of interrupts generated. If higher performance is
- * needed, consider using the TI interrupt with a suitable FIFO
- * threshold
- */
- UART_PUT_IES(port, UART_IES_RE_MSK | UART_IES_TIE_MSK);
-
- return 0;
-}
-
-static void uart00_shutdown(struct uart_port *port)
-{
- /*
- * disable all interrupts, disable the port
- */
- UART_PUT_IEC(port, 0xff);
-
- /* disable break condition and fifos */
- UART_PUT_MCR(port, UART_GET_MCR(port) &~UART_MCR_BR_MSK);
-
- /*
- * Free the interrupt
- */
- free_irq(port->irq, port);
-}
-
-static const char *uart00_type(struct uart_port *port)
-{
- return port->type == PORT_UART00 ? "Altera UART00" : NULL;
-}
-
-/*
- * Release the memory region(s) being used by 'port'
- */
-static void uart00_release_port(struct uart_port *port)
-{
- release_mem_region(port->mapbase, UART_PORT_SIZE);
-
-#ifdef CONFIG_ARCH_CAMELOT
- if (port->membase != (void*)IO_ADDRESS(EXC_UART00_BASE)) {
- iounmap(port->membase);
- }
-#endif
-}
-
-/*
- * Request the memory region(s) being used by 'port'
- */
-static int uart00_request_port(struct uart_port *port)
-{
- return request_mem_region(port->mapbase, UART_PORT_SIZE, "serial_uart00")
- != NULL ? 0 : -EBUSY;
-}
-
-/*
- * Configure/autoconfigure the port.
- */
-static void uart00_config_port(struct uart_port *port, int flags)
-{
-
- /*
- * Map the io memory if this is a soft uart
- */
- if (!port->membase)
- port->membase = ioremap_nocache(port->mapbase,SZ_4K);
-
- if (!port->membase)
- printk(KERN_ERR "serial00: cannot map io memory\n");
- else
- port->type = PORT_UART00;
-
-}
-
-/*
- * verify the new serial_struct (for TIOCSSERIAL).
- */
-static int uart00_verify_port(struct uart_port *port, struct serial_struct *ser)
-{
- int ret = 0;
- if (ser->type != PORT_UNKNOWN && ser->type != PORT_UART00)
- ret = -EINVAL;
- if (ser->irq < 0 || ser->irq >= NR_IRQS)
- ret = -EINVAL;
- if (ser->baud_base < 9600)
- ret = -EINVAL;
- return ret;
-}
-
-static struct uart_ops uart00_pops = {
- .tx_empty = uart00_tx_empty,
- .set_mctrl = uart00_set_mctrl_null,
- .get_mctrl = uart00_get_mctrl,
- .stop_tx = uart00_stop_tx,
- .start_tx = uart00_start_tx,
- .stop_rx = uart00_stop_rx,
- .enable_ms = uart00_enable_ms,
- .break_ctl = uart00_break_ctl,
- .startup = uart00_startup,
- .shutdown = uart00_shutdown,
- .set_termios = uart00_set_termios,
- .type = uart00_type,
- .release_port = uart00_release_port,
- .request_port = uart00_request_port,
- .config_port = uart00_config_port,
- .verify_port = uart00_verify_port,
-};
-
-
-#ifdef CONFIG_ARCH_CAMELOT
-static struct uart_port epxa10db_port = {
- .membase = (void*)IO_ADDRESS(EXC_UART00_BASE),
- .mapbase = EXC_UART00_BASE,
- .iotype = SERIAL_IO_MEM,
- .irq = IRQ_UART,
- .uartclk = EXC_AHB2_CLK_FREQUENCY,
- .fifosize = 16,
- .ops = &uart00_pops,
- .flags = ASYNC_BOOT_AUTOCONF,
-};
-#endif
-
-
-#ifdef CONFIG_SERIAL_UART00_CONSOLE
-static void uart00_console_write(struct console *co, const char *s, unsigned count)
-{
-#ifdef CONFIG_ARCH_CAMELOT
- struct uart_port *port = &epxa10db_port;
- unsigned int status, old_ies;
- int i;
-
- /*
- * First save the CR then disable the interrupts
- */
- old_ies = UART_GET_IES(port);
- UART_PUT_IEC(port,0xff);
-
- /*
- * Now, do each character
- */
- for (i = 0; i < count; i++) {
- do {
- status = UART_GET_TSR(port);
- } while (!UART_TX_READY(status));
- UART_PUT_CHAR(port, s[i]);
- if (s[i] == '\n') {
- do {
- status = UART_GET_TSR(port);
- } while (!UART_TX_READY(status));
- UART_PUT_CHAR(port, '\r');
- }
- }
-
- /*
- * Finally, wait for transmitter to become empty
- * and restore the IES
- */
- do {
- status = UART_GET_TSR(port);
- } while (status & UART_TSR_TX_LEVEL_MSK);
- UART_PUT_IES(port, old_ies);
-#endif
-}
-
-static void __init
-uart00_console_get_options(struct uart_port *port, int *baud,
- int *parity, int *bits)
-{
- unsigned int uart_mc, quot;
-
- uart_mc = UART_GET_MC(port);
-
- *parity = 'n';
- if (uart_mc & UART_MC_PE_MSK) {
- if (uart_mc & UART_MC_EP_MSK)
- *parity = 'e';
- else
- *parity = 'o';
- }
-
- switch (uart_mc & UART_MC_CLS_MSK) {
- case UART_MC_CLS_CHARLEN_5:
- *bits = 5;
- break;
- case UART_MC_CLS_CHARLEN_6:
- *bits = 6;
- break;
- case UART_MC_CLS_CHARLEN_7:
- *bits = 7;
- break;
- case UART_MC_CLS_CHARLEN_8:
- *bits = 8;
- break;
- }
- quot = UART_GET_DIV_LO(port) | (UART_GET_DIV_HI(port) << 8);
- *baud = port->uartclk / (16 *quot );
-}
-
-static int __init uart00_console_setup(struct console *co, char *options)
-{
- struct uart_port *port;
- int baud = 115200;
- int bits = 8;
- int parity = 'n';
- int flow = 'n';
-
-#ifdef CONFIG_ARCH_CAMELOT
- port = &epxa10db_port; ;
-#else
- return -ENODEV;
-#endif
- if (options)
- uart_parse_options(options, &baud, &parity, &bits, &flow);
- else
- uart00_console_get_options(port, &baud, &parity, &bits);
-
- return uart_set_options(port, co, baud, parity, bits, flow);
-}
-
-extern struct uart_driver uart00_reg;
-static struct console uart00_console = {
- .name = SERIAL_UART00_NAME,
- .write = uart00_console_write,
- .device = uart_console_device,
- .setup = uart00_console_setup,
- .flags = CON_PRINTBUFFER,
- .index = 0,
- .data = &uart00_reg,
-};
-
-static int __init uart00_console_init(void)
-{
- register_console(&uart00_console);
- return 0;
-}
-console_initcall(uart00_console_init);
-
-#define UART00_CONSOLE &uart00_console
-#else
-#define UART00_CONSOLE NULL
-#endif
-
-static struct uart_driver uart00_reg = {
- .owner = NULL,
- .driver_name = SERIAL_UART00_NAME,
- .dev_name = SERIAL_UART00_NAME,
- .major = SERIAL_UART00_MAJOR,
- .minor = SERIAL_UART00_MINOR,
- .nr = UART_NR,
- .cons = UART00_CONSOLE,
-};
-
-struct dev_port_entry{
- unsigned int base_addr;
- struct uart_port *port;
-};
-
-#ifdef CONFIG_PLD_HOTSWAP
-
-static struct dev_port_entry dev_port_map[UART_NR];
-
-/*
- * Keep a mapping of dev_info addresses -> port lines to use when
- * removing ports dev==NULL indicates unused entry
- */
-
-struct uart00_ps_data{
- unsigned int clk;
- unsigned int fifosize;
-};
-
-int uart00_add_device(struct pldhs_dev_info* dev_info, void* dev_ps_data)
-{
- struct uart00_ps_data* dev_ps=dev_ps_data;
- struct uart_port * port;
- int i,result;
-
- i=0;
- while(dev_port_map[i].port)
- i++;
-
- if(i==UART_NR){
- printk(KERN_WARNING "uart00: Maximum number of ports reached\n");
- return 0;
- }
-
- port=kmalloc(sizeof(struct uart_port),GFP_KERNEL);
- if(!port)
- return -ENOMEM;
-
- printk("clk=%d fifo=%d\n",dev_ps->clk,dev_ps->fifosize);
- port->membase=0;
- port->mapbase=dev_info->base_addr;
- port->iotype=SERIAL_IO_MEM;
- port->irq=dev_info->irq;
- port->uartclk=dev_ps->clk;
- port->fifosize=dev_ps->fifosize;
- port->ops=&uart00_pops;
- port->line=i;
- port->flags=ASYNC_BOOT_AUTOCONF;
-
- result=uart_add_one_port(&uart00_reg, port);
- if(result){
- printk("uart_add_one_port returned %d\n",result);
- return result;
- }
- dev_port_map[i].base_addr=dev_info->base_addr;
- dev_port_map[i].port=port;
- printk("uart00: added device at %x as ttyUA%d\n",dev_port_map[i].base_addr,i);
- return 0;
-
-}
-
-int uart00_remove_devices(void)
-{
- int i,result;
-
-
- result=0;
- for(i=1;i<UART_NR;i++){
- if(dev_port_map[i].base_addr){
- result=uart_remove_one_port(&uart00_reg, dev_port_map[i].port);
- if(result)
- return result;
-
- /* port removed sucessfully, so now tidy up */
- kfree(dev_port_map[i].port);
- dev_port_map[i].base_addr=0;
- dev_port_map[i].port=NULL;
- }
- }
- return 0;
-
-}
-
-struct pld_hotswap_ops uart00_pldhs_ops={
- .name = "uart00",
- .add_device = uart00_add_device,
- .remove_devices = uart00_remove_devices,
-};
-
-#endif
-
-static int __init uart00_init(void)
-{
- int result;
-
- printk(KERN_INFO "Serial: UART00 driver $Revision: 1.35 $\n");
-
- printk(KERN_WARNING "serial_uart00:Using temporary major/minor pairs"
- " - these WILL change in the future\n");
-
- result = uart_register_driver(&uart00_reg);
- if (result)
- return result;
-#ifdef CONFIG_ARCH_CAMELOT
- result = uart_add_one_port(&uart00_reg,&epxa10db_port);
-#endif
- if (result)
- uart_unregister_driver(&uart00_reg);
-
-#ifdef CONFIG_PLD_HOTSWAP
- pldhs_register_driver(&uart00_pldhs_ops);
-#endif
- return result;
-}
-
-__initcall(uart00_init);