Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (24 commits)
  m68k: Define sigcontext ABI of ColdFire
  m68knommu: NPTL support for uClinux
  m68k: Add NPTL support
  m68k: Eliminate unused variable in page_to_phys()
  m68k: Switch to generic siginfo layout
  macfb: fix 24-bit visual and stuff
  macfb: cleanup
  fbdev: add some missing mac modes
  mac68k: start CUDA early
  valkyriefb: various fixes
  fbdev: mac_var_to_mode() fix
  mac68k: move macsonic and macmace platform devices
  mac68k: move mac_esp platform device
  mac68k: replace mac68k SCC code with platform device
  pmac-zilog: add platform driver
  pmac-zilog: cleanup
  mac68k: rework SWIM platform device
  mac68k: cleanup
  ataflop: Killl warning about unused variable flags
  m68k: Use DIV_ROUND_CLOSEST
  ...

3 files changed, 207 insertions, 79 deletions

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 9ff47db0b2c..888a0ce91c4 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1086,12 +1086,12 @@ config SERIAL_68360
 	default y
 
 config SERIAL_PMACZILOG
-	tristate "PowerMac z85c30 ESCC support"
-	depends on PPC_OF && PPC_PMAC
+	tristate "Mac or PowerMac z85c30 ESCC support"
+	depends on (M68K && MAC) || (PPC_OF && PPC_PMAC)
 	select SERIAL_CORE
 	help
 	  This driver supports the Zilog z85C30 serial ports found on
-	  PowerMac machines.
+	  (Power)Mac machines.
 	  Say Y or M if you want to be able to these serial ports.
 
 config SERIAL_PMACZILOG_TTYS
@@ -1116,16 +1116,16 @@ config SERIAL_PMACZILOG_TTYS
 	  unable to use the 8250 module for PCMCIA or other 16C550-style
 	  UARTs.
 
-	  Say N unless you need the z85c30 ports on your powermac
+	  Say N unless you need the z85c30 ports on your (Power)Mac
 	  to appear as /dev/ttySn.
 
 config SERIAL_PMACZILOG_CONSOLE
-	bool "Console on PowerMac z85c30 serial port"
+	bool "Console on Mac or PowerMac z85c30 serial port"
 	depends on SERIAL_PMACZILOG=y
 	select SERIAL_CORE_CONSOLE
 	help
 	  If you would like to be able to use the z85c30 serial port
-	  on your PowerMac as the console, you can do so by answering
+	  on your (Power)Mac as the console, you can do so by answering
 	  Y to this option.
 
 config SERIAL_LH7A40X
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 3e2ae4807ae..f020de1cdd5 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -63,11 +63,17 @@
 #include <asm/sections.h>
 #include <asm/io.h>
 #include <asm/irq.h>
+
+#ifdef CONFIG_PPC_PMAC
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/pmac_feature.h>
 #include <asm/dbdma.h>
 #include <asm/macio.h>
+#else
+#include <linux/platform_device.h>
+#define of_machine_is_compatible(x) (0)
+#endif
 
 #if defined (CONFIG_SERIAL_PMACZILOG_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
@@ -83,11 +89,9 @@
 
 static char version[] __initdata = "pmac_zilog: 0.6 (Benjamin Herrenschmidt <benh@kernel.crashing.org>)";
 MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>");
-MODULE_DESCRIPTION("Driver for the PowerMac serial ports.");
+MODULE_DESCRIPTION("Driver for the Mac and PowerMac serial ports.");
 MODULE_LICENSE("GPL");
 
-#define PWRDBG(fmt, arg...)	printk(KERN_DEBUG fmt , ## arg)
-
 #ifdef CONFIG_SERIAL_PMACZILOG_TTYS
 #define PMACZILOG_MAJOR		TTY_MAJOR
 #define PMACZILOG_MINOR		64
@@ -153,8 +157,8 @@ static void pmz_load_zsregs(struct uart_pmac_port *uap, u8 *regs)
 	write_zsreg(uap, R10, regs[R10]);
 
 	/* Set TX/RX controls sans the enable bits.  */
-       	write_zsreg(uap, R3, regs[R3] & ~RxENABLE);
-       	write_zsreg(uap, R5, regs[R5] & ~TxENABLE);
+	write_zsreg(uap, R3, regs[R3] & ~RxENABLE);
+	write_zsreg(uap, R5, regs[R5] & ~TxENABLE);
 
 	/* now set R7 "prime" on ESCC */
 	write_zsreg(uap, R15, regs[R15] | EN85C30);
@@ -205,7 +209,7 @@ static void pmz_load_zsregs(struct uart_pmac_port *uap, u8 *regs)
  */
 static void pmz_maybe_update_regs(struct uart_pmac_port *uap)
 {
-       	if (!ZS_REGS_HELD(uap)) {
+	if (!ZS_REGS_HELD(uap)) {
 		if (ZS_TX_ACTIVE(uap)) {
 			uap->flags |= PMACZILOG_FLAG_REGS_HELD;
 		} else {
@@ -281,7 +285,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
 			spin_lock(&uap->port.lock);
 			if (swallow)
 				goto next_char;
- 		}
+		}
 #endif /* CONFIG_MAGIC_SYSRQ && CONFIG_SERIAL_CORE_CONSOLE */
 
 		/* A real serial line, record the character and status.  */
@@ -317,7 +321,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
 
 		if (uap->port.ignore_status_mask == 0xff ||
 		    (r1 & uap->port.ignore_status_mask) == 0) {
-		    	tty_insert_flip_char(tty, ch, flag);
+			tty_insert_flip_char(tty, ch, flag);
 		}
 		if (r1 & Rx_OVR)
 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
@@ -341,7 +345,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
 	uap->curregs[R1] &= ~(EXT_INT_ENAB | TxINT_ENAB | RxINT_MASK);
 	write_zsreg(uap, R1, uap->curregs[R1]);
 	zssync(uap);
-	dev_err(&uap->dev->ofdev.dev, "pmz: rx irq flood !\n");
+	pmz_error("pmz: rx irq flood !\n");
 	return tty;
 }
 
@@ -470,47 +474,47 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id)
 
 	uap_a = pmz_get_port_A(uap);
 	uap_b = uap_a->mate;
-       
-       	spin_lock(&uap_a->port.lock);
+
+	spin_lock(&uap_a->port.lock);
 	r3 = read_zsreg(uap_a, R3);
 
 #ifdef DEBUG_HARD
 	pmz_debug("irq, r3: %x\n", r3);
 #endif
-       	/* Channel A */
+	/* Channel A */
 	tty = NULL;
-       	if (r3 & (CHAEXT | CHATxIP | CHARxIP)) {
+	if (r3 & (CHAEXT | CHATxIP | CHARxIP)) {
 		write_zsreg(uap_a, R0, RES_H_IUS);
 		zssync(uap_a);		
-       		if (r3 & CHAEXT)
-       			pmz_status_handle(uap_a);
+		if (r3 & CHAEXT)
+			pmz_status_handle(uap_a);
 		if (r3 & CHARxIP)
 			tty = pmz_receive_chars(uap_a);
-       		if (r3 & CHATxIP)
-       			pmz_transmit_chars(uap_a);
-	        rc = IRQ_HANDLED;
-       	}
-       	spin_unlock(&uap_a->port.lock);
+		if (r3 & CHATxIP)
+			pmz_transmit_chars(uap_a);
+		rc = IRQ_HANDLED;
+	}
+	spin_unlock(&uap_a->port.lock);
 	if (tty != NULL)
 		tty_flip_buffer_push(tty);
 
 	if (uap_b->node == NULL)
 		goto out;
 
-       	spin_lock(&uap_b->port.lock);
+	spin_lock(&uap_b->port.lock);
 	tty = NULL;
 	if (r3 & (CHBEXT | CHBTxIP | CHBRxIP)) {
 		write_zsreg(uap_b, R0, RES_H_IUS);
 		zssync(uap_b);
-       		if (r3 & CHBEXT)
-       			pmz_status_handle(uap_b);
-       	       	if (r3 & CHBRxIP)
-       			tty = pmz_receive_chars(uap_b);
-       		if (r3 & CHBTxIP)
-       			pmz_transmit_chars(uap_b);
-	       	rc = IRQ_HANDLED;
-       	}
-       	spin_unlock(&uap_b->port.lock);
+		if (r3 & CHBEXT)
+			pmz_status_handle(uap_b);
+		if (r3 & CHBRxIP)
+			tty = pmz_receive_chars(uap_b);
+		if (r3 & CHBTxIP)
+			pmz_transmit_chars(uap_b);
+		rc = IRQ_HANDLED;
+	}
+	spin_unlock(&uap_b->port.lock);
 	if (tty != NULL)
 		tty_flip_buffer_push(tty);
 
@@ -718,7 +722,7 @@ static void pmz_enable_ms(struct uart_port *port)
 
 		if (ZS_IS_ASLEEP(uap))
 			return;
-		/* NOTE: Not subject to 'transmitter active' rule.  */ 
+		/* NOTE: Not subject to 'transmitter active' rule. */
 		write_zsreg(uap, R15, uap->curregs[R15]);
 	}
 }
@@ -748,7 +752,7 @@ static void pmz_break_ctl(struct uart_port *port, int break_state)
 	if (new_reg != uap->curregs[R5]) {
 		uap->curregs[R5] = new_reg;
 
-		/* NOTE: Not subject to 'transmitter active' rule.  */ 
+		/* NOTE: Not subject to 'transmitter active' rule. */
 		if (ZS_IS_ASLEEP(uap))
 			return;
 		write_zsreg(uap, R5, uap->curregs[R5]);
@@ -757,6 +761,8 @@ static void pmz_break_ctl(struct uart_port *port, int break_state)
 	spin_unlock_irqrestore(&port->lock, flags);
 }
 
+#ifdef CONFIG_PPC_PMAC
+
 /*
  * Turn power on or off to the SCC and associated stuff
  * (port drivers, modem, IR port, etc.)
@@ -792,6 +798,15 @@ static int pmz_set_scc_power(struct uart_pmac_port *uap, int state)
 	return delay;
 }
 
+#else
+
+static int pmz_set_scc_power(struct uart_pmac_port *uap, int state)
+{
+	return 0;
+}
+
+#endif /* !CONFIG_PPC_PMAC */
+
 /*
  * FixZeroBug....Works around a bug in the SCC receving channel.
  * Inspired from Darwin code, 15 Sept. 2000  -DanM
@@ -908,7 +923,6 @@ static int __pmz_startup(struct uart_pmac_port *uap)
 	/* Remember status for DCD/CTS changes */
 	uap->prev_status = read_zsreg(uap, R0);
 
-
 	return pwr_delay;
 }
 
@@ -955,9 +969,9 @@ static int pmz_startup(struct uart_port *port)
 	}	
 
 	pmz_get_port_A(uap)->flags |= PMACZILOG_FLAG_IS_IRQ_ON;
-	if (request_irq(uap->port.irq, pmz_interrupt, IRQF_SHARED, "PowerMac Zilog", uap)) {
-		dev_err(&uap->dev->ofdev.dev,
-			"Unable to register zs interrupt handler.\n");
+	if (request_irq(uap->port.irq, pmz_interrupt, IRQF_SHARED,
+			"SCC", uap)) {
+		pmz_error("Unable to register zs interrupt handler.\n");
 		pmz_set_scc_power(uap, 0);
 		mutex_unlock(&pmz_irq_mutex);
 		return -ENXIO;
@@ -983,7 +997,7 @@ static int pmz_startup(struct uart_port *port)
 	if (!ZS_IS_EXTCLK(uap))
 		uap->curregs[R1] |= EXT_INT_ENAB;
 	write_zsreg(uap, R1, uap->curregs[R1]);
-       	spin_unlock_irqrestore(&port->lock, flags);
+	spin_unlock_irqrestore(&port->lock, flags);
 
 	pmz_debug("pmz: startup() done.\n");
 
@@ -1003,7 +1017,7 @@ static void pmz_shutdown(struct uart_port *port)
 	mutex_lock(&pmz_irq_mutex);
 
 	/* Release interrupt handler */
-       	free_irq(uap->port.irq, uap);
+	free_irq(uap->port.irq, uap);
 
 	spin_lock_irqsave(&port->lock, flags);
 
@@ -1051,7 +1065,6 @@ static void pmz_convert_to_zs(struct uart_pmac_port *uap, unsigned int cflag,
 {
 	int brg;
 
-
 	/* Switch to external clocking for IrDA high clock rates. That
 	 * code could be re-used for Midi interfaces with different
 	 * multipliers
@@ -1198,7 +1211,7 @@ static void pmz_irda_setup(struct uart_pmac_port *uap, unsigned long *baud)
 	while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0
 	       || (read_zsreg(uap, R1) & ALL_SNT) == 0) {
 		if (--t <= 0) {
-			dev_err(&uap->dev->ofdev.dev, "transmitter didn't drain\n");
+			pmz_error("transmitter didn't drain\n");
 			return;
 		}
 		udelay(10);
@@ -1214,7 +1227,7 @@ static void pmz_irda_setup(struct uart_pmac_port *uap, unsigned long *baud)
 		read_zsdata(uap);
 		mdelay(10);
 		if (--t <= 0) {
-			dev_err(&uap->dev->ofdev.dev, "receiver didn't drain\n");
+			pmz_error("receiver didn't drain\n");
 			return;
 		}
 	}
@@ -1223,20 +1236,19 @@ static void pmz_irda_setup(struct uart_pmac_port *uap, unsigned long *baud)
 	uap->curregs[R5] |= DTR;
 	write_zsreg(uap, R5, uap->curregs[R5]);
 	zssync(uap);
-       	mdelay(1);
+	mdelay(1);
 
 	/* Switch SCC to 19200 */
 	pmz_convert_to_zs(uap, CS8, 0, 19200);		
 	pmz_load_zsregs(uap, uap->curregs);
-       	mdelay(1);
+	mdelay(1);
 
 	/* Write get_version command byte */
 	write_zsdata(uap, 1);
 	t = 5000;
 	while ((read_zsreg(uap, R0) & Rx_CH_AV) == 0) {
 		if (--t <= 0) {
-			dev_err(&uap->dev->ofdev.dev,
-				"irda_setup timed out on get_version byte\n");
+			pmz_error("irda_setup timed out on get_version byte\n");
 			goto out;
 		}
 		udelay(10);
@@ -1244,8 +1256,7 @@ static void pmz_irda_setup(struct uart_pmac_port *uap, unsigned long *baud)
 	version = read_zsdata(uap);
 
 	if (version < 4) {
-		dev_info(&uap->dev->ofdev.dev, "IrDA: dongle version %d not supported\n",
-			 version);
+		pmz_info("IrDA: dongle version %d not supported\n", version);
 		goto out;
 	}
 
@@ -1254,18 +1265,16 @@ static void pmz_irda_setup(struct uart_pmac_port *uap, unsigned long *baud)
 	t = 5000;
 	while ((read_zsreg(uap, R0) & Rx_CH_AV) == 0) {
 		if (--t <= 0) {
-			dev_err(&uap->dev->ofdev.dev,
-				"irda_setup timed out on speed mode byte\n");
+			pmz_error("irda_setup timed out on speed mode byte\n");
 			goto out;
 		}
 		udelay(10);
 	}
 	t = read_zsdata(uap);
 	if (t != cmdbyte)
-		dev_err(&uap->dev->ofdev.dev,
-			"irda_setup speed mode byte = %x (%x)\n", t, cmdbyte);
+		pmz_error("irda_setup speed mode byte = %x (%x)\n", t, cmdbyte);
 
-	dev_info(&uap->dev->ofdev.dev, "IrDA setup for %ld bps, dongle version: %d\n",
+	pmz_info("IrDA setup for %ld bps, dongle version: %d\n",
 		 *baud, version);
 
 	(void)read_zsdata(uap);
@@ -1415,7 +1424,7 @@ static void pmz_poll_put_char(struct uart_port *port, unsigned char c)
 	write_zsdata(uap, c);
 }
 
-#endif
+#endif /* CONFIG_CONSOLE_POLL */
 
 static struct uart_ops pmz_pops = {
 	.tx_empty	=	pmz_tx_empty,
@@ -1440,6 +1449,8 @@ static struct uart_ops pmz_pops = {
 #endif
 };
 
+#ifdef CONFIG_PPC_PMAC
+
 /*
  * Setup one port structure after probing, HW is down at this point,
  * Unlike sunzilog, we don't need to pre-init the spinlock as we don't
@@ -1463,7 +1474,7 @@ static int __init pmz_init_port(struct uart_pmac_port *uap)
 		return -ENODEV;
 	uap->port.mapbase = r_ports.start;
 	uap->port.membase = ioremap(uap->port.mapbase, 0x1000);
-      
+
 	uap->control_reg = uap->port.membase;
 	uap->data_reg = uap->control_reg + 0x10;
 	
@@ -1590,7 +1601,7 @@ static void pmz_dispose_port(struct uart_pmac_port *uap)
 }
 
 /*
- * Called upon match with an escc node in the devive-tree.
+ * Called upon match with an escc node in the device-tree.
  */
 static int pmz_attach(struct macio_dev *mdev, const struct of_device_id *match)
 {
@@ -1812,7 +1823,7 @@ static int __init pmz_probe(void)
 		pmz_ports[count].node		= node_a;
 		pmz_ports[count+1].node		= node_b;
 		pmz_ports[count].port.line	= count;
-		pmz_ports[count+1].port.line   	= count+1;
+		pmz_ports[count+1].port.line	= count+1;
 
 		/*
 		 * Setup the ports for real
@@ -1836,6 +1847,88 @@ next:
 	return 0;
 }
 
+#else
+
+extern struct platform_device scc_a_pdev, scc_b_pdev;
+
+static int __init pmz_init_port(struct uart_pmac_port *uap)
+{
+	struct resource *r_ports;
+	int irq;
+
+	r_ports = platform_get_resource(uap->node, IORESOURCE_MEM, 0);
+	irq = platform_get_irq(uap->node, 0);
+	if (!r_ports || !irq)
+		return -ENODEV;
+
+	uap->port.mapbase  = r_ports->start;
+	uap->port.membase  = (unsigned char __iomem *) r_ports->start;
+	uap->port.iotype   = UPIO_MEM;
+	uap->port.irq      = irq;
+	uap->port.uartclk  = ZS_CLOCK;
+	uap->port.fifosize = 1;
+	uap->port.ops      = &pmz_pops;
+	uap->port.type     = PORT_PMAC_ZILOG;
+	uap->port.flags    = 0;
+
+	uap->control_reg   = uap->port.membase;
+	uap->data_reg      = uap->control_reg + 4;
+	uap->port_type     = 0;
+
+	pmz_convert_to_zs(uap, CS8, 0, 9600);
+
+	return 0;
+}
+
+static int __init pmz_probe(void)
+{
+	int err;
+
+	pmz_ports_count = 0;
+
+	pmz_ports[0].mate      = &pmz_ports[1];
+	pmz_ports[0].port.line = 0;
+	pmz_ports[0].flags     = PMACZILOG_FLAG_IS_CHANNEL_A;
+	pmz_ports[0].node      = &scc_a_pdev;
+	err = pmz_init_port(&pmz_ports[0]);
+	if (err)
+		return err;
+	pmz_ports_count++;
+
+	pmz_ports[1].mate      = &pmz_ports[0];
+	pmz_ports[1].port.line = 1;
+	pmz_ports[1].flags     = 0;
+	pmz_ports[1].node      = &scc_b_pdev;
+	err = pmz_init_port(&pmz_ports[1]);
+	if (err)
+		return err;
+	pmz_ports_count++;
+
+	return 0;
+}
+
+static void pmz_dispose_port(struct uart_pmac_port *uap)
+{
+	memset(uap, 0, sizeof(struct uart_pmac_port));
+}
+
+static int __init pmz_attach(struct platform_device *pdev)
+{
+	int i;
+
+	for (i = 0; i < pmz_ports_count; i++)
+		if (pmz_ports[i].node == pdev)
+			return 0;
+	return -ENODEV;
+}
+
+static int __exit pmz_detach(struct platform_device *pdev)
+{
+	return 0;
+}
+
+#endif /* !CONFIG_PPC_PMAC */
+
 #ifdef CONFIG_SERIAL_PMACZILOG_CONSOLE
 
 static void pmz_console_write(struct console *con, const char *s, unsigned int count);
@@ -1896,28 +1989,41 @@ err_out:
 	return rc;
 }
 
+#ifdef CONFIG_PPC_PMAC
+
 static struct of_device_id pmz_match[] = 
 {
 	{
-	.name 		= "ch-a",
+	.name		= "ch-a",
 	},
 	{
-	.name 		= "ch-b",
+	.name		= "ch-b",
 	},
 	{},
 };
 MODULE_DEVICE_TABLE (of, pmz_match);
 
-static struct macio_driver pmz_driver = 
-{
+static struct macio_driver pmz_driver = {
 	.name 		= "pmac_zilog",
 	.match_table	= pmz_match,
 	.probe		= pmz_attach,
 	.remove		= pmz_detach,
 	.suspend	= pmz_suspend,
-       	.resume		= pmz_resume,
+	.resume		= pmz_resume,
 };
 
+#else
+
+static struct platform_driver pmz_driver = {
+	.remove		= __exit_p(pmz_detach),
+	.driver		= {
+		.name		= "scc",
+		.owner		= THIS_MODULE,
+	},
+};
+
+#endif /* !CONFIG_PPC_PMAC */
+
 static int __init init_pmz(void)
 {
 	int rc, i;
@@ -1952,19 +2058,27 @@ static int __init init_pmz(void)
 			pmz_dispose_port(&pmz_ports[i]);
 		return rc;
 	}
-	
+
 	/*
 	 * Then we register the macio driver itself
 	 */
+#ifdef CONFIG_PPC_PMAC
 	return macio_register_driver(&pmz_driver);
+#else
+	return platform_driver_probe(&pmz_driver, pmz_attach);
+#endif
 }
 
 static void __exit exit_pmz(void)
 {
 	int i;
 
+#ifdef CONFIG_PPC_PMAC
 	/* Get rid of macio-driver (detach from macio) */
 	macio_unregister_driver(&pmz_driver);
+#else
+	platform_driver_unregister(&pmz_driver);
+#endif
 
 	for (i = 0; i < pmz_ports_count; i++) {
 		struct uart_pmac_port *uport = &pmz_ports[i];
@@ -2034,7 +2148,7 @@ static int __init pmz_console_setup(struct console *co, char *options)
 	if (of_machine_is_compatible("RackMac1,1")
 	    || of_machine_is_compatible("RackMac1,2")
 	    || of_machine_is_compatible("MacRISC4"))
-	 	baud = 57600;
+		baud = 57600;
 
 	/*
 	 * Check whether an invalid uart number has been specified, and
diff --git a/drivers/serial/pmac_zilog.h b/drivers/serial/pmac_zilog.h
index f6e77f12acd..cbc34fbb1b2 100644
--- a/drivers/serial/pmac_zilog.h
+++ b/drivers/serial/pmac_zilog.h
@@ -1,7 +1,15 @@
 #ifndef __PMAC_ZILOG_H__
 #define __PMAC_ZILOG_H__
 
-#define pmz_debug(fmt,arg...)	dev_dbg(&uap->dev->ofdev.dev, fmt, ## arg)
+#ifdef CONFIG_PPC_PMAC
+#define pmz_debug(fmt, arg...)	dev_dbg(&uap->dev->ofdev.dev, fmt, ## arg)
+#define pmz_error(fmt, arg...)	dev_err(&uap->dev->ofdev.dev, fmt, ## arg)
+#define pmz_info(fmt, arg...)	dev_info(&uap->dev->ofdev.dev, fmt, ## arg)
+#else
+#define pmz_debug(fmt, arg...)	dev_dbg(&uap->node->dev, fmt, ## arg)
+#define pmz_error(fmt, arg...)	dev_err(&uap->node->dev, fmt, ## arg)
+#define pmz_info(fmt, arg...)	dev_info(&uap->node->dev, fmt, ## arg)
+#endif
 
 /*
  * At most 2 ESCCs with 2 ports each
@@ -17,6 +25,7 @@ struct uart_pmac_port {
 	struct uart_port		port;
 	struct uart_pmac_port		*mate;
 
+#ifdef CONFIG_PPC_PMAC
 	/* macio_dev for the escc holding this port (maybe be null on
 	 * early inited port)
 	 */
@@ -25,6 +34,9 @@ struct uart_pmac_port {
 	 * of "escc" node (ie. ch-a or ch-b)
 	 */
 	struct device_node		*node;
+#else
+	struct platform_device		*node;
+#endif
 
 	/* Port type as obtained from device tree (IRDA, modem, ...) */
 	int				port_type;
@@ -55,10 +67,12 @@ struct uart_pmac_port {
 	volatile u8			__iomem *control_reg;
 	volatile u8			__iomem *data_reg;
 
+#ifdef CONFIG_PPC_PMAC
 	unsigned int			tx_dma_irq;
 	unsigned int			rx_dma_irq;
 	volatile struct dbdma_regs	__iomem *tx_dma_regs;
 	volatile struct dbdma_regs	__iomem *rx_dma_regs;
+#endif
 
 	struct ktermios			termios_cache;
 };
@@ -113,7 +127,7 @@ static inline void zssync(struct uart_pmac_port *port)
 #define BRG_TO_BPS(brg, freq) ((freq) / 2 / ((brg) + 2))
 #define BPS_TO_BRG(bps, freq) ((((freq) + (bps)) / (2 * (bps))) - 2)
 
-#define ZS_CLOCK         3686400 	/* Z8530 RTxC input clock rate */
+#define ZS_CLOCK         3686400	/* Z8530 RTxC input clock rate */
 
 /* The Zilog register set */
 
@@ -171,7 +185,7 @@ static inline void zssync(struct uart_pmac_port *port)
 
 /* Write Register 3 */
 
-#define	RxENABLE       	0x1	/* Rx Enable */
+#define	RxENABLE	0x1	/* Rx Enable */
 #define	SYNC_L_INH	0x2	/* Sync Character Load Inhibit */
 #define	ADD_SM		0x4	/* Address Search Mode (SDLC) */
 #define	RxCRC_ENAB	0x8	/* Rx CRC Enable */
@@ -185,7 +199,7 @@ static inline void zssync(struct uart_pmac_port *port)
 
 /* Write Register 4 */
 
-#define	PAR_ENAB       	0x1	/* Parity Enable */
+#define	PAR_ENAB	0x1	/* Parity Enable */
 #define	PAR_EVEN	0x2	/* Parity Even/Odd* */
 
 #define	SYNC_ENAB	0	/* Sync Modes Enable */
@@ -210,7 +224,7 @@ static inline void zssync(struct uart_pmac_port *port)
 #define	TxCRC_ENAB	0x1	/* Tx CRC Enable */
 #define	RTS		0x2	/* RTS */
 #define	SDLC_CRC	0x4	/* SDLC/CRC-16 */
-#define	TxENABLE       	0x8	/* Tx Enable */
+#define	TxENABLE	0x8	/* Tx Enable */
 #define	SND_BRK		0x10	/* Send Break */
 #define	Tx5		0x0	/* Tx 5 bits (or less)/character */
 #define	Tx7		0x20	/* Tx 7 bits/character */
@@ -372,11 +386,11 @@ static inline void zssync(struct uart_pmac_port *port)
 #define ZS_TX_ACTIVE(UP)		((UP)->flags & PMACZILOG_FLAG_TX_ACTIVE)
 #define ZS_WANTS_MODEM_STATUS(UP)	((UP)->flags & PMACZILOG_FLAG_MODEM_STATUS)
 #define ZS_IS_IRDA(UP)			((UP)->flags & PMACZILOG_FLAG_IS_IRDA)
-#define ZS_IS_INTMODEM(UP)	       	((UP)->flags & PMACZILOG_FLAG_IS_INTMODEM)
+#define ZS_IS_INTMODEM(UP)		((UP)->flags & PMACZILOG_FLAG_IS_INTMODEM)
 #define ZS_HAS_DMA(UP)			((UP)->flags & PMACZILOG_FLAG_HAS_DMA)
-#define ZS_IS_ASLEEP(UP)       		((UP)->flags & PMACZILOG_FLAG_IS_ASLEEP)
-#define ZS_IS_OPEN(UP)       		((UP)->flags & PMACZILOG_FLAG_IS_OPEN)
-#define ZS_IS_IRQ_ON(UP)       		((UP)->flags & PMACZILOG_FLAG_IS_IRQ_ON)
-#define ZS_IS_EXTCLK(UP)       		((UP)->flags & PMACZILOG_FLAG_IS_EXTCLK)
+#define ZS_IS_ASLEEP(UP)		((UP)->flags & PMACZILOG_FLAG_IS_ASLEEP)
+#define ZS_IS_OPEN(UP)			((UP)->flags & PMACZILOG_FLAG_IS_OPEN)
+#define ZS_IS_IRQ_ON(UP)		((UP)->flags & PMACZILOG_FLAG_IS_IRQ_ON)
+#define ZS_IS_EXTCLK(UP)		((UP)->flags & PMACZILOG_FLAG_IS_EXTCLK)
 
 #endif /* __PMAC_ZILOG_H__ */