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-rw-r--r--drivers/serial/21285.c1
-rw-r--r--drivers/serial/8250.c1
-rw-r--r--drivers/serial/at91_serial.c1
-rw-r--r--drivers/serial/crisv10.c2
-rw-r--r--drivers/serial/dz.c4
-rw-r--r--drivers/serial/imx.c1
-rw-r--r--drivers/serial/ip22zilog.c1
-rw-r--r--drivers/serial/m32r_sio.c1
-rw-r--r--drivers/serial/mcfserial.c1
-rw-r--r--drivers/serial/mpc52xx_uart.c1
-rw-r--r--drivers/serial/mpsc.c2
-rw-r--r--drivers/serial/pmac_zilog.c1
-rw-r--r--drivers/serial/pxa.c1
-rw-r--r--drivers/serial/s3c2410.c2
-rw-r--r--drivers/serial/sa1100.c1
-rw-r--r--drivers/serial/serial_core.c5
-rw-r--r--drivers/serial/serial_txx9.c3
-rw-r--r--drivers/serial/sh-sci.c3
-rw-r--r--drivers/serial/sunhv.c1
-rw-r--r--drivers/serial/sunsab.c300
-rw-r--r--drivers/serial/sunsu.c498
-rw-r--r--drivers/serial/sunzilog.c794
-rw-r--r--drivers/serial/v850e_uart.c1
-rw-r--r--drivers/serial/vr41xx_siu.c1
24 files changed, 579 insertions, 1048 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 7572665..9fd0de4 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -479,7 +479,6 @@ 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/8250.c b/drivers/serial/8250.c
index bbf78aa..f361b35 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2354,7 +2354,6 @@ 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/at91_serial.c b/drivers/serial/at91_serial.c
index db5b25f..df9500b 100644
--- a/drivers/serial/at91_serial.c
+++ b/drivers/serial/at91_serial.c
@@ -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/crisv10.c b/drivers/serial/crisv10.c
index 5cacc5e..b84137c 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -4878,7 +4878,7 @@ 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;
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index bf71bad..466d06c 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -768,11 +768,7 @@ 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,
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index d202eb4..da85baf 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -888,7 +888,6 @@ 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/ip22zilog.c b/drivers/serial/ip22zilog.c
index 6517724..56b093e 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -1085,7 +1085,6 @@ 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,
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 321a40f..6a2a25d 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -1131,7 +1131,6 @@ 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/mcfserial.c b/drivers/serial/mcfserial.c
index 8ad2429..29c0630 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -1713,7 +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/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 6459edc..1aa3484 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -693,7 +693,6 @@ 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,
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index 9468192..1cd102f 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -315,7 +315,6 @@ 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"
@@ -1863,7 +1862,6 @@ 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/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 513ff85..e3ba7e1 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -101,7 +101,6 @@ 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,
};
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index ae36495..0fa0ccc 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -780,7 +780,6 @@ 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 837b6da..4c62ab94 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -149,7 +149,6 @@ 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
@@ -952,7 +951,6 @@ 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,
};
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index c2d9068..8bbd856 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -816,7 +816,6 @@ 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 17839e7..7dc1e67 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2153,7 +2153,6 @@ 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 +2160,7 @@ 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);
@@ -2312,7 +2311,7 @@ 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);
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 3bdee64..a901a7e 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -69,12 +69,10 @@ 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
@@ -971,7 +969,6 @@ 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 44f6bf7..d97f3ca 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1699,9 +1699,6 @@ 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,
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index ba22e25..d36bc40 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -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,
};
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index e4c0fd2..141fedb 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>
@@ -12,7 +12,7 @@
* 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>
@@ -37,8 +37,8 @@
#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 +851,6 @@ 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,
};
@@ -977,199 +976,188 @@ 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_node->name, "se")) {
- callback(edev, arg);
- continue;
- } else if (!strcmp(edev->prom_node->name, "serial")) {
- char *compat;
- int clen;
-
- /* On RIO this can be an SE, check it. We could
- * just check ebus->is_rio, but this is more portable.
- */
- compat = of_get_property(edev->prom_node,
- "compatible", &clen);
- if (compat && 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,
+ SA_SHIRQ, "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,
+ sizeof(union sab82532_async_regs),
+ (inst * 2) + 0);
+ if (err)
+ return err;
+
+ err = sunsab_init_one(&up[0], op, 0,
+ (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;
-
- if (ret < 0)
- return ret;
+ struct uart_sunsab_port *up = dev_get_drvdata(&op->dev);
- sunsab_init_hw();
+ sab_remove_one(&up[0]);
+ sab_remove_one(&up[1]);
- sunsab_reg.minor = sunserial_current_minor;
- sunsab_reg.nr = num_channels;
+ dev_set_drvdata(&op->dev, NULL);
- 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, "su")
+ 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;
- uart_add_one_port(&sunsab_reg, &up->port);
+ return err;
+ }
+
+ 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 0268b30..73a043b 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -12,7 +12,7 @@
* 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>
@@ -40,11 +40,8 @@
#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 +91,10 @@ 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 +506,7 @@ 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 +520,7 @@ 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;
};
@@ -1031,99 +1028,14 @@ 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->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->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 *)&reg0, sizeof(reg0)) == -1) {
- prom_printf("sunsu: no \"reg\" property\n");
- return;
- }
- prom_apply_obio_ranges(&reg0, 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 +1177,17 @@ 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 +1199,31 @@ 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;
-
- 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));
+ return -ENODEV;
#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->write = sunsu_serio_write;
- serio->open = sunsu_serio_open;
- serio->close = sunsu_serio_close;
+ serio = &up->serio;
+ serio->port_data = up;
- 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 +1355,20 @@ 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 +1376,184 @@ 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;
+ int err;
- sunsu_reg.minor = sunserial_current_minor;
+ if (inst >= UART_NR)
+ return -EINVAL;
- sunsu_reg.nr = instance;
+ up = &sunsu_ports[inst];
+ up->port.line = inst;
- 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 = su_get_type(dp);
- sunserial_current_minor += instance;
+ rp = &op->resource[0];
+ up->port.mapbase = op->resource[0].start;
- sunsu_reg.cons = SUNSU_CONSOLE();
+ up->reg_size = (rp->end - rp->start) + 1;
+ up->port.membase = of_ioremap(rp, 0, up->reg_size, "su");
+ if (!up->port.membase)
+ return -ENOMEM;
- for (i = 0; i < UART_NR; i++) {
- struct uart_sunsu_port *up = &sunsu_ports[i];
+ up->port.irq = op->irqs[0];
- /* 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.dev = &op->dev;
- if (up->port.type == PORT_UNKNOWN)
- continue;
+ up->port.type = PORT_UNKNOWN;
+ up->port.uartclk = (SU_BASE_BAUD * 16);
- uart_add_one_port(&sunsu_reg, &up->port);
+ err = 0;
+ if (up->su_type == SU_PORT_KBD || up->su_type == SU_PORT_MS) {
+ err = sunsu_kbd_ms_init(up);
+ if (err)
+ goto out_unmap;
}
- 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
+ } 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);
- }
+ return 0;
+}
- len = prom_getproperty(node, "mouse", scan.prop, SU_PROPSIZE);
- if (len > 0) {
- scan.prop[len] = 0;
- scan.msnode = prom_finddevice(scan.prop);
- }
- }
+static struct of_device_id su_match[] = {
+ {
+ .name = "su",
+ },
+ {
+ .name = "su_pnp",
+ },
+ {
+ .name = "serial",
+ .compatible = "su",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, su_match);
- su_probe_any(&scan, prom_getchild(prom_root_node));
+static struct of_platform_driver su_driver = {
+ .name = "su",
+ .match_table = su_match,
+ .probe = su_probe,
+ .remove = __devexit_p(su_remove),
+};
- /*
- * 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 int num_uart;
- 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 __init sunsu_init(void)
+{
+ struct device_node *dp;
+ int err;
- return 0;
+ num_uart = 0;
+ for_each_node_by_name(dp, "su") {
+ if (su_get_type(dp) == SU_PORT_PORT)
+ num_uart++;
}
-
- if (scan.msx != -1 || scan.kbx != -1) {
- printk("sunsu_probe: cannot match keyboard and mouse, confused\n");
- return -ENODEV;
+ 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 76c9bac..1caa286 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.
@@ -10,7 +9,7 @@
* 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>
@@ -38,10 +37,8 @@
#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
@@ -65,7 +62,7 @@
#define ZSDELAY()
#define ZSDELAY_LONG()
#define ZS_WSYNC(__channel) \
- sbus_readb(&((__channel)->control))
+ readb(&((__channel)->control))
#endif
static int num_sunzilog;
@@ -107,7 +104,7 @@ struct uart_sunzilog_port {
unsigned char prev_status;
#ifdef CONFIG_SERIO
- struct serio *serio;
+ struct serio serio;
int serio_open;
#endif
};
@@ -138,9 +135,9 @@ 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 +146,9 @@ 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 +159,17 @@ 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 +191,7 @@ 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 +288,7 @@ 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 +303,7 @@ 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 +327,12 @@ 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 +344,7 @@ 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 +403,10 @@ 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 +418,7 @@ 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 +455,7 @@ 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 +484,7 @@ 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 +503,7 @@ 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 +516,7 @@ 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 +537,7 @@ 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 +560,7 @@ 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 +591,7 @@ 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 +679,7 @@ 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 +690,7 @@ 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 +699,7 @@ 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 +776,7 @@ 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 +960,7 @@ 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 +1009,55 @@ 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&&central == 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(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 +1071,7 @@ 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 +1079,7 @@ 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);
}
@@ -1386,28 +1196,6 @@ 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;
@@ -1432,101 +1220,8 @@ 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;
@@ -1540,8 +1235,6 @@ static void __init sunzilog_init_kbdms(struct uart_sunzilog_port *up, int channe
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);
@@ -1553,216 +1246,268 @@ 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)
{
- 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 (channel == KEYBOARD_LINE) {
+ 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,
+ (channel == KEYBOARD_LINE ? "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 __init 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->port.line == KEYBOARD_LINE ||
+ up->port.line == MOUSE_LINE) {
+ 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->port.line == KEYBOARD_LINE || up->port.line == MOUSE_LINE)
+ sunzilog_register_serio(up, up->port.line);
#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 __init sunzilog_ports_init(void)
+static int __devinit zs_get_instance(struct device_node *dp)
{
- struct zs_probe_scan scan;
int ret;
- int uart_count;
- int i;
-
- printk(KERN_DEBUG "SunZilog: %d chips.\n", NUM_SUNZILOG);
-
- scan.scanner = sunzilog_scan_probe;
- scan.depth = 0;
- scan.devices = 0;
- sunzilog_scan(&scan, prom_getchild(prom_root_node));
-
- sunzilog_prepare();
- 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();
- }
+ ret = of_getintprop_default(dp, "slave", -1);
+ if (ret != -1)
+ return ret;
- sunzilog_init_hw();
+ if (of_find_property(dp, "keyboard", NULL))
+ ret = 1;
+ else
+ ret = 0;
- /* 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];
+ return ret;
+}
- if (ZS_IS_KEYB(up) || ZS_IS_MOUSE(up))
- continue;
+static int zilog_irq = -1;
- uart_count++;
- }
-
- sunzilog_reg.nr = uart_count;
- sunzilog_reg.minor = sunserial_current_minor;
+static int __devinit zs_probe(struct of_device *dev, const struct of_device_id *match)
+{
+ struct of_device *op = to_of_device(&dev->dev);
+ struct uart_sunzilog_port *up;
+ struct zilog_layout __iomem *rp;
+ int inst = zs_get_instance(dev->node);
+ int err;
- ret = uart_register_driver(&sunzilog_reg);
- if (ret == 0) {
- sunzilog_reg.tty_driver->name_base = sunzilog_reg.minor - 64;
- sunzilog_reg.cons = SUNZILOG_CONSOLE();
+ sunzilog_chip_regs[inst] = of_ioremap(&op->resource[0], 0,
+ sizeof(struct zilog_layout),
+ "zs");
+ if (!sunzilog_chip_regs[inst])
+ return -ENOMEM;
- sunserial_current_minor += uart_count;
+ rp = sunzilog_chip_regs[inst];
- for (i = 0; i < NUM_CHANNELS; i++) {
- struct uart_sunzilog_port *up = &sunzilog_port_table[i];
+ if (zilog_irq == -1) {
+ zilog_irq = op->irqs[0];
+ err = request_irq(zilog_irq, sunzilog_interrupt, SA_SHIRQ,
+ "zs", sunzilog_irq_chain);
+ if (err) {
+ of_iounmap(rp, sizeof(struct zilog_layout));
- if (ZS_IS_KEYB(up) || ZS_IS_MOUSE(up))
- continue;
+ return err;
+ }
+ }
- if (uart_add_one_port(&sunzilog_reg, &up->port)) {
- printk(KERN_ERR
- "SunZilog: failed to add port zs%d\n", i);
- }
+ 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 (inst == 1)
+ 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 (inst == 1)
+ up[1].flags |= SUNZILOG_FLAG_CONS_MOUSE;
+ sunzilog_init_hw(&up[1]);
+
+ if (inst != 1) {
+ 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;
}
}
- return ret;
+ dev_set_drvdata(&dev->dev, &up[0]);
+
+ return 0;
}
-static void __init sunzilog_scan_count(struct zs_probe_scan *t, int node)
+static void __devexit zs_remove_one(struct uart_sunzilog_port *up)
{
- t->devices++;
+ 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);
}
-static int __init sunzilog_ports_count(void)
+static int __devexit zs_remove(struct of_device *dev)
{
- struct zs_probe_scan scan;
+ struct uart_sunzilog_port *up = dev_get_drvdata(&dev->dev);
+ struct zilog_layout __iomem *regs;
- /* Sun4 Zilog setup is hard coded, no probing to do. */
- if (sparc_cpu_model == sun4)
- return 2;
+ zs_remove_one(&up[0]);
+ zs_remove_one(&up[1]);
- scan.scanner = sunzilog_scan_count;
- scan.depth = 0;
- scan.devices = 0;
+ regs = sunzilog_chip_regs[up[0].port.line / 2];
+ of_iounmap(regs, sizeof(struct zilog_layout));
- sunzilog_scan(&scan, prom_getchild(prom_root_node));
+ dev_set_drvdata(&dev->dev, NULL);
- return scan.devices;
+ return 0;
}
+static struct of_device_id zs_match[] = {
+ {
+ .name = "zs",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, zs_match);
+
+static struct of_platform_driver zs_driver = {
+ .name = "zs",
+ .match_table = zs_match,
+ .probe = zs_probe,
+ .remove = __devexit_p(zs_remove),
+};
+
static int __init sunzilog_init(void)
{
+ struct device_node *dp;
+ int err;
- NUM_SUNZILOG = sunzilog_ports_count();
- if (NUM_SUNZILOG == 0)
- return -ENODEV;
+ NUM_SUNZILOG = 0;
+ for_each_node_by_name(dp, "zs")
+ NUM_SUNZILOG++;
- sunzilog_alloc_tables();
+ if (NUM_SUNZILOG) {
+ int uart_count;
- sunzilog_ports_init();
+ err = sunzilog_alloc_tables();
+ if (err)
+ return err;
- return 0;
+ /* Subtract 1 for keyboard, 1 for mouse. */
+ uart_count = (NUM_SUNZILOG * 2) - 2;
+
+ sunzilog_reg.nr = uart_count;
+ sunzilog_reg.minor = sunserial_current_minor;
+ err = uart_register_driver(&sunzilog_reg);
+ if (err) {
+ sunzilog_free_tables();
+ return err;
+ }
+ sunzilog_reg.tty_driver->name_base = sunzilog_reg.minor - 64;
+ sunzilog_reg.cons = SUNZILOG_CONSOLE();
+
+ sunserial_current_minor += uart_count;
+ }
+
+ return of_register_driver(&zs_driver, &of_bus_type);
}
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 +1515,5 @@ 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 df705fd..a0da2aa 100644
--- a/drivers/serial/v850e_uart.c
+++ b/drivers/serial/v850e_uart.c
@@ -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 df5e871..017571f 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -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,
generated by cgit v1.1 at 2025-08-18 05:51:53 +0000