1 files changed, 373 insertions, 166 deletions

diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index cefde58..b5e4478 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -10,7 +10,7 @@
  *  Maintainer: Kumar Gala (galak@kernel.crashing.org) (CPM2)
  *              Pantelis Antoniou (panto@intracom.gr) (CPM1)
  *
- *  Copyright (C) 2004 Freescale Semiconductor, Inc.
+ *  Copyright (C) 2004, 2007 Freescale Semiconductor, Inc.
  *            (C) 2004 Intracom, S.A.
  *            (C) 2005-2006 MontaVista Software, Inc.
  * 		Vitaly Bordug <vbordug@ru.mvista.com>
@@ -47,6 +47,11 @@
 #include <asm/irq.h>
 #include <asm/delay.h>
 #include <asm/fs_pd.h>
+#include <asm/udbg.h>
+
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+#include <linux/of_platform.h>
+#endif
 
 #if defined(CONFIG_SERIAL_CPM_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
@@ -57,12 +62,6 @@
 
 #include "cpm_uart.h"
 
-/***********************************************************************/
-
-/* Track which ports are configured as uarts */
-int cpm_uart_port_map[UART_NR];
-/* How many ports did we config as uarts */
-int cpm_uart_nr = 0;
 
 /**************************************************************/
 
@@ -73,6 +72,11 @@ static void cpm_uart_initbd(struct uart_cpm_port *pinfo);
 
 /**************************************************************/
 
+#ifndef CONFIG_PPC_CPM_NEW_BINDING
+/* Track which ports are configured as uarts */
+int cpm_uart_port_map[UART_NR];
+/* How many ports did we config as uarts */
+int cpm_uart_nr;
 
 /* Place-holder for board-specific stuff */
 struct platform_device* __attribute__ ((weak)) __init
@@ -119,6 +123,7 @@ static int cpm_uart_id2nr(int id)
 	/* not found or invalid argument */
 	return -1;
 }
+#endif
 
 /*
  * Check, if transmit buffers are processed
@@ -126,14 +131,14 @@ static int cpm_uart_id2nr(int id)
 static unsigned int cpm_uart_tx_empty(struct uart_port *port)
 {
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	volatile cbd_t *bdp = pinfo->tx_bd_base;
+	cbd_t __iomem *bdp = pinfo->tx_bd_base;
 	int ret = 0;
 
 	while (1) {
-		if (bdp->cbd_sc & BD_SC_READY)
+		if (in_be16(&bdp->cbd_sc) & BD_SC_READY)
 			break;
 
-		if (bdp->cbd_sc & BD_SC_WRAP) {
+		if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP) {
 			ret = TIOCSER_TEMT;
 			break;
 		}
@@ -162,15 +167,15 @@ static unsigned int cpm_uart_get_mctrl(struct uart_port *port)
 static void cpm_uart_stop_tx(struct uart_port *port)
 {
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	volatile smc_t *smcp = pinfo->smcp;
-	volatile scc_t *sccp = pinfo->sccp;
+	smc_t __iomem *smcp = pinfo->smcp;
+	scc_t __iomem *sccp = pinfo->sccp;
 
 	pr_debug("CPM uart[%d]:stop tx\n", port->line);
 
 	if (IS_SMC(pinfo))
-		smcp->smc_smcm &= ~SMCM_TX;
+		clrbits8(&smcp->smc_smcm, SMCM_TX);
 	else
-		sccp->scc_sccm &= ~UART_SCCM_TX;
+		clrbits16(&sccp->scc_sccm, UART_SCCM_TX);
 }
 
 /*
@@ -179,24 +184,24 @@ static void cpm_uart_stop_tx(struct uart_port *port)
 static void cpm_uart_start_tx(struct uart_port *port)
 {
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	volatile smc_t *smcp = pinfo->smcp;
-	volatile scc_t *sccp = pinfo->sccp;
+	smc_t __iomem *smcp = pinfo->smcp;
+	scc_t __iomem *sccp = pinfo->sccp;
 
 	pr_debug("CPM uart[%d]:start tx\n", port->line);
 
 	if (IS_SMC(pinfo)) {
-		if (smcp->smc_smcm & SMCM_TX)
+		if (in_8(&smcp->smc_smcm) & SMCM_TX)
 			return;
 	} else {
-		if (sccp->scc_sccm & UART_SCCM_TX)
+		if (in_be16(&sccp->scc_sccm) & UART_SCCM_TX)
 			return;
 	}
 
 	if (cpm_uart_tx_pump(port) != 0) {
 		if (IS_SMC(pinfo)) {
-			smcp->smc_smcm |= SMCM_TX;
+			setbits8(&smcp->smc_smcm, SMCM_TX);
 		} else {
-			sccp->scc_sccm |= UART_SCCM_TX;
+			setbits16(&sccp->scc_sccm, UART_SCCM_TX);
 		}
 	}
 }
@@ -207,15 +212,15 @@ static void cpm_uart_start_tx(struct uart_port *port)
 static void cpm_uart_stop_rx(struct uart_port *port)
 {
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	volatile smc_t *smcp = pinfo->smcp;
-	volatile scc_t *sccp = pinfo->sccp;
+	smc_t __iomem *smcp = pinfo->smcp;
+	scc_t __iomem *sccp = pinfo->sccp;
 
 	pr_debug("CPM uart[%d]:stop rx\n", port->line);
 
 	if (IS_SMC(pinfo))
-		smcp->smc_smcm &= ~SMCM_RX;
+		clrbits8(&smcp->smc_smcm, SMCM_RX);
 	else
-		sccp->scc_sccm &= ~UART_SCCM_RX;
+		clrbits16(&sccp->scc_sccm, UART_SCCM_RX);
 }
 
 /*
@@ -232,15 +237,14 @@ static void cpm_uart_enable_ms(struct uart_port *port)
 static void cpm_uart_break_ctl(struct uart_port *port, int break_state)
 {
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	int line = pinfo - cpm_uart_ports;
 
 	pr_debug("CPM uart[%d]:break ctrl, break_state: %d\n", port->line,
 		break_state);
 
 	if (break_state)
-		cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+		cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
 	else
-		cpm_line_cr_cmd(line, CPM_CR_RESTART_TX);
+		cpm_line_cr_cmd(pinfo, CPM_CR_RESTART_TX);
 }
 
 /*
@@ -259,10 +263,11 @@ static void cpm_uart_int_tx(struct uart_port *port)
 static void cpm_uart_int_rx(struct uart_port *port)
 {
 	int i;
-	unsigned char ch, *cp;
+	unsigned char ch;
+	u8 *cp;
 	struct tty_struct *tty = port->info->tty;
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	volatile cbd_t *bdp;
+	cbd_t __iomem *bdp;
 	u16 status;
 	unsigned int flg;
 
@@ -274,13 +279,13 @@ static void cpm_uart_int_rx(struct uart_port *port)
 	bdp = pinfo->rx_cur;
 	for (;;) {
 		/* get status */
-		status = bdp->cbd_sc;
+		status = in_be16(&bdp->cbd_sc);
 		/* If this one is empty, return happy */
 		if (status & BD_SC_EMPTY)
 			break;
 
 		/* get number of characters, and check spce in flip-buffer */
-		i = bdp->cbd_datlen;
+		i = in_be16(&bdp->cbd_datlen);
 
 		/* If we have not enough room in tty flip buffer, then we try
 		 * later, which will be the next rx-interrupt or a timeout
@@ -291,7 +296,7 @@ static void cpm_uart_int_rx(struct uart_port *port)
 		}
 
 		/* get pointer */
-		cp = cpm2cpu_addr(bdp->cbd_bufaddr, pinfo);
+		cp = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
 
 		/* loop through the buffer */
 		while (i-- > 0) {
@@ -311,10 +316,11 @@ static void cpm_uart_int_rx(struct uart_port *port)
 		}		/* End while (i--) */
 
 		/* This BD is ready to be used again. Clear status. get next */
-		bdp->cbd_sc &= ~(BD_SC_BR | BD_SC_FR | BD_SC_PR | BD_SC_OV | BD_SC_ID);
-		bdp->cbd_sc |= BD_SC_EMPTY;
+		clrbits16(&bdp->cbd_sc, BD_SC_BR | BD_SC_FR | BD_SC_PR |
+		                        BD_SC_OV | BD_SC_ID);
+		setbits16(&bdp->cbd_sc, BD_SC_EMPTY);
 
-		if (bdp->cbd_sc & BD_SC_WRAP)
+		if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
 			bdp = pinfo->rx_bd_base;
 		else
 			bdp++;
@@ -322,7 +328,7 @@ static void cpm_uart_int_rx(struct uart_port *port)
 	} /* End for (;;) */
 
 	/* Write back buffer pointer */
-	pinfo->rx_cur = (volatile cbd_t *) bdp;
+	pinfo->rx_cur = bdp;
 
 	/* activate BH processing */
 	tty_flip_buffer_push(tty);
@@ -376,14 +382,14 @@ static irqreturn_t cpm_uart_int(int irq, void *data)
 	u8 events;
 	struct uart_port *port = (struct uart_port *)data;
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	volatile smc_t *smcp = pinfo->smcp;
-	volatile scc_t *sccp = pinfo->sccp;
+	smc_t __iomem *smcp = pinfo->smcp;
+	scc_t __iomem *sccp = pinfo->sccp;
 
 	pr_debug("CPM uart[%d]:IRQ\n", port->line);
 
 	if (IS_SMC(pinfo)) {
-		events = smcp->smc_smce;
-		smcp->smc_smce = events;
+		events = in_8(&smcp->smc_smce);
+		out_8(&smcp->smc_smce, events);
 		if (events & SMCM_BRKE)
 			uart_handle_break(port);
 		if (events & SMCM_RX)
@@ -391,8 +397,8 @@ static irqreturn_t cpm_uart_int(int irq, void *data)
 		if (events & SMCM_TX)
 			cpm_uart_int_tx(port);
 	} else {
-		events = sccp->scc_scce;
-		sccp->scc_scce = events;
+		events = in_be16(&sccp->scc_scce);
+		out_be16(&sccp->scc_scce, events);
 		if (events & UART_SCCM_BRKE)
 			uart_handle_break(port);
 		if (events & UART_SCCM_RX)
@@ -407,7 +413,6 @@ static int cpm_uart_startup(struct uart_port *port)
 {
 	int retval;
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	int line = pinfo - cpm_uart_ports;
 
 	pr_debug("CPM uart[%d]:startup\n", port->line);
 
@@ -418,15 +423,15 @@ static int cpm_uart_startup(struct uart_port *port)
 
 	/* Startup rx-int */
 	if (IS_SMC(pinfo)) {
-		pinfo->smcp->smc_smcm |= SMCM_RX;
-		pinfo->smcp->smc_smcmr |= (SMCMR_REN | SMCMR_TEN);
+		setbits8(&pinfo->smcp->smc_smcm, SMCM_RX);
+		setbits16(&pinfo->smcp->smc_smcmr, (SMCMR_REN | SMCMR_TEN));
 	} else {
-		pinfo->sccp->scc_sccm |= UART_SCCM_RX;
-		pinfo->sccp->scc_gsmrl |= (SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+		setbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
+		setbits32(&pinfo->sccp->scc_gsmrl, (SCC_GSMRL_ENR | SCC_GSMRL_ENT));
 	}
 
 	if (!(pinfo->flags & FLAG_CONSOLE))
-		cpm_line_cr_cmd(line,CPM_CR_INIT_TRX);
+		cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
 	return 0;
 }
 
@@ -442,7 +447,6 @@ inline void cpm_uart_wait_until_send(struct uart_cpm_port *pinfo)
 static void cpm_uart_shutdown(struct uart_port *port)
 {
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	int line = pinfo - cpm_uart_ports;
 
 	pr_debug("CPM uart[%d]:shutdown\n", port->line);
 
@@ -462,20 +466,20 @@ static void cpm_uart_shutdown(struct uart_port *port)
 
 		/* Stop uarts */
 		if (IS_SMC(pinfo)) {
-			volatile smc_t *smcp = pinfo->smcp;
-			smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
-			smcp->smc_smcm &= ~(SMCM_RX | SMCM_TX);
+			smc_t __iomem *smcp = pinfo->smcp;
+			clrbits16(&smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
+			clrbits8(&smcp->smc_smcm, SMCM_RX | SMCM_TX);
 		} else {
-			volatile scc_t *sccp = pinfo->sccp;
-			sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-			sccp->scc_sccm &= ~(UART_SCCM_TX | UART_SCCM_RX);
+			scc_t __iomem *sccp = pinfo->sccp;
+			clrbits32(&sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+			clrbits16(&sccp->scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
 		}
 
 		/* Shut them really down and reinit buffer descriptors */
 		if (IS_SMC(pinfo))
-			cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+			cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
 		else
-			cpm_line_cr_cmd(line, CPM_CR_GRA_STOP_TX);
+			cpm_line_cr_cmd(pinfo, CPM_CR_GRA_STOP_TX);
 
 		cpm_uart_initbd(pinfo);
 	}
@@ -490,8 +494,8 @@ static void cpm_uart_set_termios(struct uart_port *port,
 	u16 cval, scval, prev_mode;
 	int bits, sbits;
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-	volatile smc_t *smcp = pinfo->smcp;
-	volatile scc_t *sccp = pinfo->sccp;
+	smc_t __iomem *smcp = pinfo->smcp;
+	scc_t __iomem *sccp = pinfo->sccp;
 
 	pr_debug("CPM uart[%d]:set_termios\n", port->line);
 
@@ -586,16 +590,15 @@ static void cpm_uart_set_termios(struct uart_port *port,
 		 * enables, because we want to put them back if they were
 		 * present.
 		 */
-		prev_mode = smcp->smc_smcmr;
-		smcp->smc_smcmr = smcr_mk_clen(bits) | cval | SMCMR_SM_UART;
-		smcp->smc_smcmr |= (prev_mode & (SMCMR_REN | SMCMR_TEN));
+		prev_mode = in_be16(&smcp->smc_smcmr);
+		out_be16(&smcp->smc_smcmr, smcr_mk_clen(bits) | cval | SMCMR_SM_UART);
+		setbits16(&smcp->smc_smcmr, (prev_mode & (SMCMR_REN | SMCMR_TEN)));
 	} else {
-		sccp->scc_psmr = (sbits << 12) | scval;
+		out_be16(&sccp->scc_psmr, (sbits << 12) | scval);
 	}
 
 	cpm_set_brg(pinfo->brg - 1, baud);
 	spin_unlock_irqrestore(&port->lock, flags);
-
 }
 
 static const char *cpm_uart_type(struct uart_port *port)
@@ -629,8 +632,8 @@ static int cpm_uart_verify_port(struct uart_port *port,
  */
 static int cpm_uart_tx_pump(struct uart_port *port)
 {
-	volatile cbd_t *bdp;
-	unsigned char *p;
+	cbd_t __iomem *bdp;
+	u8 *p;
 	int count;
 	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
 	struct circ_buf *xmit = &port->info->xmit;
@@ -640,13 +643,14 @@ static int cpm_uart_tx_pump(struct uart_port *port)
 		/* Pick next descriptor and fill from buffer */
 		bdp = pinfo->tx_cur;
 
-		p = cpm2cpu_addr(bdp->cbd_bufaddr, pinfo);
+		p = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
 
 		*p++ = port->x_char;
-		bdp->cbd_datlen = 1;
-		bdp->cbd_sc |= BD_SC_READY;
+
+		out_be16(&bdp->cbd_datlen, 1);
+		setbits16(&bdp->cbd_sc, BD_SC_READY);
 		/* Get next BD. */
-		if (bdp->cbd_sc & BD_SC_WRAP)
+		if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
 			bdp = pinfo->tx_bd_base;
 		else
 			bdp++;
@@ -665,9 +669,10 @@ static int cpm_uart_tx_pump(struct uart_port *port)
 	/* Pick next descriptor and fill from buffer */
 	bdp = pinfo->tx_cur;
 
-	while (!(bdp->cbd_sc & BD_SC_READY) && (xmit->tail != xmit->head)) {
+	while (!(in_be16(&bdp->cbd_sc) & BD_SC_READY) &&
+	       xmit->tail != xmit->head) {
 		count = 0;
-		p = cpm2cpu_addr(bdp->cbd_bufaddr, pinfo);
+		p = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
 		while (count < pinfo->tx_fifosize) {
 			*p++ = xmit->buf[xmit->tail];
 			xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
@@ -676,11 +681,10 @@ static int cpm_uart_tx_pump(struct uart_port *port)
 			if (xmit->head == xmit->tail)
 				break;
 		}
-		bdp->cbd_datlen = count;
-		bdp->cbd_sc |= BD_SC_READY;
-		eieio();
+		out_be16(&bdp->cbd_datlen, count);
+		setbits16(&bdp->cbd_sc, BD_SC_READY);
 		/* Get next BD. */
-		if (bdp->cbd_sc & BD_SC_WRAP)
+		if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
 			bdp = pinfo->tx_bd_base;
 		else
 			bdp++;
@@ -705,7 +709,7 @@ static void cpm_uart_initbd(struct uart_cpm_port *pinfo)
 {
 	int i;
 	u8 *mem_addr;
-	volatile cbd_t *bdp;
+	cbd_t __iomem *bdp;
 
 	pr_debug("CPM uart[%d]:initbd\n", pinfo->port.line);
 
@@ -716,13 +720,13 @@ static void cpm_uart_initbd(struct uart_cpm_port *pinfo)
 	mem_addr = pinfo->mem_addr;
 	bdp = pinfo->rx_cur = pinfo->rx_bd_base;
 	for (i = 0; i < (pinfo->rx_nrfifos - 1); i++, bdp++) {
-		bdp->cbd_bufaddr = cpu2cpm_addr(mem_addr, pinfo);
-		bdp->cbd_sc = BD_SC_EMPTY | BD_SC_INTRPT;
+		out_be32(&bdp->cbd_bufaddr, cpu2cpm_addr(mem_addr, pinfo));
+		out_be16(&bdp->cbd_sc, BD_SC_EMPTY | BD_SC_INTRPT);
 		mem_addr += pinfo->rx_fifosize;
 	}
 
-	bdp->cbd_bufaddr = cpu2cpm_addr(mem_addr, pinfo);
-	bdp->cbd_sc = BD_SC_WRAP | BD_SC_EMPTY | BD_SC_INTRPT;
+	out_be32(&bdp->cbd_bufaddr, cpu2cpm_addr(mem_addr, pinfo));
+	out_be16(&bdp->cbd_sc, BD_SC_WRAP | BD_SC_EMPTY | BD_SC_INTRPT);
 
 	/* Set the physical address of the host memory
 	 * buffers in the buffer descriptors, and the
@@ -731,20 +735,19 @@ static void cpm_uart_initbd(struct uart_cpm_port *pinfo)
 	mem_addr = pinfo->mem_addr + L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize);
 	bdp = pinfo->tx_cur = pinfo->tx_bd_base;
 	for (i = 0; i < (pinfo->tx_nrfifos - 1); i++, bdp++) {
-		bdp->cbd_bufaddr = cpu2cpm_addr(mem_addr, pinfo);
-		bdp->cbd_sc = BD_SC_INTRPT;
+		out_be32(&bdp->cbd_bufaddr, cpu2cpm_addr(mem_addr, pinfo));
+		out_be16(&bdp->cbd_sc, BD_SC_INTRPT);
 		mem_addr += pinfo->tx_fifosize;
 	}
 
-	bdp->cbd_bufaddr = cpu2cpm_addr(mem_addr, pinfo);
-	bdp->cbd_sc = BD_SC_WRAP | BD_SC_INTRPT;
+	out_be32(&bdp->cbd_bufaddr, cpu2cpm_addr(mem_addr, pinfo));
+	out_be16(&bdp->cbd_sc, BD_SC_WRAP | BD_SC_INTRPT);
 }
 
 static void cpm_uart_init_scc(struct uart_cpm_port *pinfo)
 {
-	int line = pinfo - cpm_uart_ports;
-	volatile scc_t *scp;
-	volatile scc_uart_t *sup;
+	scc_t __iomem *scp;
+	scc_uart_t __iomem *sup;
 
 	pr_debug("CPM uart[%d]:init_scc\n", pinfo->port.line);
 
@@ -752,8 +755,10 @@ static void cpm_uart_init_scc(struct uart_cpm_port *pinfo)
 	sup = pinfo->sccup;
 
 	/* Store address */
-	pinfo->sccup->scc_genscc.scc_rbase = (unsigned char *)pinfo->rx_bd_base - DPRAM_BASE;
-	pinfo->sccup->scc_genscc.scc_tbase = (unsigned char *)pinfo->tx_bd_base - DPRAM_BASE;
+	out_be16(&pinfo->sccup->scc_genscc.scc_rbase,
+	         (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE);
+	out_be16(&pinfo->sccup->scc_genscc.scc_tbase,
+	         (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);
 
 	/* Set up the uart parameters in the
 	 * parameter ram.
@@ -761,51 +766,50 @@ static void cpm_uart_init_scc(struct uart_cpm_port *pinfo)
 
 	cpm_set_scc_fcr(sup);
 
-	sup->scc_genscc.scc_mrblr = pinfo->rx_fifosize;
-	sup->scc_maxidl = pinfo->rx_fifosize;
-	sup->scc_brkcr = 1;
-	sup->scc_parec = 0;
-	sup->scc_frmec = 0;
-	sup->scc_nosec = 0;
-	sup->scc_brkec = 0;
-	sup->scc_uaddr1 = 0;
-	sup->scc_uaddr2 = 0;
-	sup->scc_toseq = 0;
-	sup->scc_char1 = 0x8000;
-	sup->scc_char2 = 0x8000;
-	sup->scc_char3 = 0x8000;
-	sup->scc_char4 = 0x8000;
-	sup->scc_char5 = 0x8000;
-	sup->scc_char6 = 0x8000;
-	sup->scc_char7 = 0x8000;
-	sup->scc_char8 = 0x8000;
-	sup->scc_rccm = 0xc0ff;
+	out_be16(&sup->scc_genscc.scc_mrblr, pinfo->rx_fifosize);
+	out_be16(&sup->scc_maxidl, pinfo->rx_fifosize);
+	out_be16(&sup->scc_brkcr, 1);
+	out_be16(&sup->scc_parec, 0);
+	out_be16(&sup->scc_frmec, 0);
+	out_be16(&sup->scc_nosec, 0);
+	out_be16(&sup->scc_brkec, 0);
+	out_be16(&sup->scc_uaddr1, 0);
+	out_be16(&sup->scc_uaddr2, 0);
+	out_be16(&sup->scc_toseq, 0);
+	out_be16(&sup->scc_char1, 0x8000);
+	out_be16(&sup->scc_char2, 0x8000);
+	out_be16(&sup->scc_char3, 0x8000);
+	out_be16(&sup->scc_char4, 0x8000);
+	out_be16(&sup->scc_char5, 0x8000);
+	out_be16(&sup->scc_char6, 0x8000);
+	out_be16(&sup->scc_char7, 0x8000);
+	out_be16(&sup->scc_char8, 0x8000);
+	out_be16(&sup->scc_rccm, 0xc0ff);
 
 	/* Send the CPM an initialize command.
 	 */
-	cpm_line_cr_cmd(line, CPM_CR_INIT_TRX);
+	cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
 
 	/* Set UART mode, 8 bit, no parity, one stop.
 	 * Enable receive and transmit.
 	 */
-	scp->scc_gsmrh = 0;
-	scp->scc_gsmrl =
-	    (SCC_GSMRL_MODE_UART | SCC_GSMRL_TDCR_16 | SCC_GSMRL_RDCR_16);
+	out_be32(&scp->scc_gsmrh, 0);
+	out_be32(&scp->scc_gsmrl,
+	         SCC_GSMRL_MODE_UART | SCC_GSMRL_TDCR_16 | SCC_GSMRL_RDCR_16);
 
 	/* Enable rx interrupts  and clear all pending events.  */
-	scp->scc_sccm = 0;
-	scp->scc_scce = 0xffff;
-	scp->scc_dsr = 0x7e7e;
-	scp->scc_psmr = 0x3000;
+	out_be16(&scp->scc_sccm, 0);
+	out_be16(&scp->scc_scce, 0xffff);
+	out_be16(&scp->scc_dsr, 0x7e7e);
+	out_be16(&scp->scc_psmr, 0x3000);
 
-	scp->scc_gsmrl |= (SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+	setbits32(&scp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
 }
 
 static void cpm_uart_init_smc(struct uart_cpm_port *pinfo)
 {
-	int line = pinfo - cpm_uart_ports;
-	volatile smc_t *sp;
-	volatile smc_uart_t *up;
+	smc_t __iomem *sp;
+	smc_uart_t __iomem *up;
 
 	pr_debug("CPM uart[%d]:init_smc\n", pinfo->port.line);
 
@@ -813,19 +817,21 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo)
 	up = pinfo->smcup;
 
 	/* Store address */
-	pinfo->smcup->smc_rbase = (u_char *)pinfo->rx_bd_base - DPRAM_BASE;
-	pinfo->smcup->smc_tbase = (u_char *)pinfo->tx_bd_base - DPRAM_BASE;
+	out_be16(&pinfo->smcup->smc_rbase,
+	         (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE);
+	out_be16(&pinfo->smcup->smc_tbase,
+	         (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);
 
 /*
  *  In case SMC1 is being relocated...
  */
 #if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
-	up->smc_rbptr = pinfo->smcup->smc_rbase;
-	up->smc_tbptr = pinfo->smcup->smc_tbase;
-	up->smc_rstate = 0;
-	up->smc_tstate = 0;
-	up->smc_brkcr = 1;              /* number of break chars */
-	up->smc_brkec = 0;
+	out_be16(&up->smc_rbptr, in_be16(&pinfo->smcup->smc_rbase));
+	out_be16(&up->smc_tbptr, in_be16(&pinfo->smcup->smc_tbase));
+	out_be32(&up->smc_rstate, 0);
+	out_be32(&up->smc_tstate, 0);
+	out_be16(&up->smc_brkcr, 1);              /* number of break chars */
+	out_be16(&up->smc_brkec, 0);
 #endif
 
 	/* Set up the uart parameters in the
@@ -834,24 +840,24 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo)
 	cpm_set_smc_fcr(up);
 
 	/* Using idle charater time requires some additional tuning.  */
-	up->smc_mrblr = pinfo->rx_fifosize;
-	up->smc_maxidl = pinfo->rx_fifosize;
-	up->smc_brklen = 0;
-	up->smc_brkec = 0;
-	up->smc_brkcr = 1;
+	out_be16(&up->smc_mrblr, pinfo->rx_fifosize);
+	out_be16(&up->smc_maxidl, pinfo->rx_fifosize);
+	out_be16(&up->smc_brklen, 0);
+	out_be16(&up->smc_brkec, 0);
+	out_be16(&up->smc_brkcr, 1);
 
-	cpm_line_cr_cmd(line, CPM_CR_INIT_TRX);
+	cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
 
 	/* Set UART mode, 8 bit, no parity, one stop.
 	 * Enable receive and transmit.
 	 */
-	sp->smc_smcmr = smcr_mk_clen(9) | SMCMR_SM_UART;
+	out_be16(&sp->smc_smcmr, smcr_mk_clen(9) | SMCMR_SM_UART);
 
 	/* Enable only rx interrupts clear all pending events. */
-	sp->smc_smcm = 0;
-	sp->smc_smce = 0xff;
+	out_8(&sp->smc_smcm, 0);
+	out_8(&sp->smc_smce, 0xff);
 
-	sp->smc_smcmr |= (SMCMR_REN | SMCMR_TEN);
+	setbits16(&sp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
 }
 
 /*
@@ -869,11 +875,11 @@ static int cpm_uart_request_port(struct uart_port *port)
 		return 0;
 
 	if (IS_SMC(pinfo)) {
-		pinfo->smcp->smc_smcm &= ~(SMCM_RX | SMCM_TX);
-		pinfo->smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
+		clrbits8(&pinfo->smcp->smc_smcm, SMCM_RX | SMCM_TX);
+		clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
 	} else {
-		pinfo->sccp->scc_sccm &= ~(UART_SCCM_TX | UART_SCCM_RX);
-		pinfo->sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+		clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
+		clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
 	}
 
 	ret = cpm_uart_allocbuf(pinfo, 0);
@@ -929,6 +935,86 @@ static struct uart_ops cpm_uart_pops = {
 	.verify_port	= cpm_uart_verify_port,
 };
 
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+struct uart_cpm_port cpm_uart_ports[UART_NR];
+
+static int cpm_uart_init_port(struct device_node *np,
+                              struct uart_cpm_port *pinfo)
+{
+	const u32 *data;
+	void __iomem *mem, *pram;
+	int len;
+	int ret;
+
+	data = of_get_property(np, "fsl,cpm-brg", &len);
+	if (!data || len != 4) {
+		printk(KERN_ERR "CPM UART %s has no/invalid "
+		                "fsl,cpm-brg property.\n", np->name);
+		return -EINVAL;
+	}
+	pinfo->brg = *data;
+
+	data = of_get_property(np, "fsl,cpm-command", &len);
+	if (!data || len != 4) {
+		printk(KERN_ERR "CPM UART %s has no/invalid "
+		                "fsl,cpm-command property.\n", np->name);
+		return -EINVAL;
+	}
+	pinfo->command = *data;
+
+	mem = of_iomap(np, 0);
+	if (!mem)
+		return -ENOMEM;
+
+	pram = of_iomap(np, 1);
+	if (!pram) {
+		ret = -ENOMEM;
+		goto out_mem;
+	}
+
+	if (of_device_is_compatible(np, "fsl,cpm1-scc-uart") ||
+	    of_device_is_compatible(np, "fsl,cpm2-scc-uart")) {
+		pinfo->sccp = mem;
+		pinfo->sccup = pram;
+	} else if (of_device_is_compatible(np, "fsl,cpm1-smc-uart") ||
+	           of_device_is_compatible(np, "fsl,cpm2-smc-uart")) {
+		pinfo->flags |= FLAG_SMC;
+		pinfo->smcp = mem;
+		pinfo->smcup = pram;
+	} else {
+		ret = -ENODEV;
+		goto out_pram;
+	}
+
+	pinfo->tx_nrfifos = TX_NUM_FIFO;
+	pinfo->tx_fifosize = TX_BUF_SIZE;
+	pinfo->rx_nrfifos = RX_NUM_FIFO;
+	pinfo->rx_fifosize = RX_BUF_SIZE;
+
+	pinfo->port.uartclk = ppc_proc_freq;
+	pinfo->port.mapbase = (unsigned long)mem;
+	pinfo->port.type = PORT_CPM;
+	pinfo->port.ops = &cpm_uart_pops,
+	pinfo->port.iotype = UPIO_MEM;
+	spin_lock_init(&pinfo->port.lock);
+
+	pinfo->port.irq = of_irq_to_resource(np, 0, NULL);
+	if (pinfo->port.irq == NO_IRQ) {
+		ret = -EINVAL;
+		goto out_pram;
+	}
+
+	return cpm_uart_request_port(&pinfo->port);
+
+out_pram:
+	iounmap(pram);
+out_mem:
+	iounmap(mem);
+	return ret;
+}
+
+#else
+
 struct uart_cpm_port cpm_uart_ports[UART_NR] = {
 	[UART_SMC1] = {
 		.port = {
@@ -1072,6 +1158,7 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
 
 	return 0;
 }
+#endif
 
 #ifdef CONFIG_SERIAL_CPM_CONSOLE
 /*
@@ -1083,11 +1170,15 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
 static void cpm_uart_console_write(struct console *co, const char *s,
 				   u_int count)
 {
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+	struct uart_cpm_port *pinfo = &cpm_uart_ports[co->index];
+#else
 	struct uart_cpm_port *pinfo =
 	    &cpm_uart_ports[cpm_uart_port_map[co->index]];
+#endif
 	unsigned int i;
-	volatile cbd_t *bdp, *bdbase;
-	volatile unsigned char *cp;
+	cbd_t __iomem *bdp, *bdbase;
+	unsigned char *cp;
 
 	/* Get the address of the host memory buffer.
 	 */
@@ -1105,37 +1196,36 @@ static void cpm_uart_console_write(struct console *co, const char *s,
 		 * Ready indicates output is ready, and xmt is doing
 		 * that, not that it is ready for us to send.
 		 */
-		while ((bdp->cbd_sc & BD_SC_READY) != 0)
+		while ((in_be16(&bdp->cbd_sc) & BD_SC_READY) != 0)
 			;
 
 		/* Send the character out.
 		 * If the buffer address is in the CPM DPRAM, don't
 		 * convert it.
 		 */
-		cp = cpm2cpu_addr(bdp->cbd_bufaddr, pinfo);
-
+		cp = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
 		*cp = *s;
 
-		bdp->cbd_datlen = 1;
-		bdp->cbd_sc |= BD_SC_READY;
+		out_be16(&bdp->cbd_datlen, 1);
+		setbits16(&bdp->cbd_sc, BD_SC_READY);
 
-		if (bdp->cbd_sc & BD_SC_WRAP)
+		if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
 			bdp = bdbase;
 		else
 			bdp++;
 
 		/* if a LF, also do CR... */
 		if (*s == 10) {
-			while ((bdp->cbd_sc & BD_SC_READY) != 0)
+			while ((in_be16(&bdp->cbd_sc) & BD_SC_READY) != 0)
 				;
 
-			cp = cpm2cpu_addr(bdp->cbd_bufaddr, pinfo);
-
+			cp = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
 			*cp = 13;
-			bdp->cbd_datlen = 1;
-			bdp->cbd_sc |= BD_SC_READY;
 
-			if (bdp->cbd_sc & BD_SC_WRAP)
+			out_be16(&bdp->cbd_datlen, 1);
+			setbits16(&bdp->cbd_sc, BD_SC_READY);
+
+			if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
 				bdp = bdbase;
 			else
 				bdp++;
@@ -1146,22 +1236,56 @@ static void cpm_uart_console_write(struct console *co, const char *s,
 	 * Finally, Wait for transmitter & holding register to empty
 	 *  and restore the IER
 	 */
-	while ((bdp->cbd_sc & BD_SC_READY) != 0)
+	while ((in_be16(&bdp->cbd_sc) & BD_SC_READY) != 0)
 		;
 
-	pinfo->tx_cur = (volatile cbd_t *) bdp;
+	pinfo->tx_cur = bdp;
 }
 
 
 static int __init cpm_uart_console_setup(struct console *co, char *options)
 {
-	struct uart_port *port;
-	struct uart_cpm_port *pinfo;
 	int baud = 38400;
 	int bits = 8;
 	int parity = 'n';
 	int flow = 'n';
 	int ret;
+	struct uart_cpm_port *pinfo;
+	struct uart_port *port;
+
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+	struct device_node *np = NULL;
+	int i = 0;
+
+	if (co->index >= UART_NR) {
+		printk(KERN_ERR "cpm_uart: console index %d too high\n",
+		       co->index);
+		return -ENODEV;
+	}
+
+	do {
+		np = of_find_node_by_type(np, "serial");
+		if (!np)
+			return -ENODEV;
+
+		if (!of_device_is_compatible(np, "fsl,cpm1-smc-uart") &&
+		    !of_device_is_compatible(np, "fsl,cpm1-scc-uart") &&
+		    !of_device_is_compatible(np, "fsl,cpm2-smc-uart") &&
+		    !of_device_is_compatible(np, "fsl,cpm2-scc-uart"))
+			i--;
+	} while (i++ != co->index);
+
+	pinfo = &cpm_uart_ports[co->index];
+
+	pinfo->flags |= FLAG_CONSOLE;
+	port = &pinfo->port;
+
+	ret = cpm_uart_init_port(np, pinfo);
+	of_node_put(np);
+	if (ret)
+		return ret;
+
+#else
 
 	struct fs_uart_platform_info *pdata;
 	struct platform_device* pdev = early_uart_get_pdev(co->index);
@@ -1188,6 +1312,7 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
 	}
 
 	pinfo->flags |= FLAG_CONSOLE;
+#endif
 
 	if (options) {
 		uart_parse_options(options, &baud, &parity, &bits, &flow);
@@ -1196,12 +1321,18 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
 			baud = 9600;
 	}
 
+#ifdef CONFIG_PPC_EARLY_DEBUG_CPM
+	udbg_putc = NULL;
+#endif
+
+	cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
+
 	if (IS_SMC(pinfo)) {
-		pinfo->smcp->smc_smcm &= ~(SMCM_RX | SMCM_TX);
-		pinfo->smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
+		clrbits8(&pinfo->smcp->smc_smcm, SMCM_RX | SMCM_TX);
+		clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
 	} else {
-		pinfo->sccp->scc_sccm &= ~(UART_SCCM_TX | UART_SCCM_RX);
-		pinfo->sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+		clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
+		clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
 	}
 
 	ret = cpm_uart_allocbuf(pinfo, 1);
@@ -1217,6 +1348,7 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
 		cpm_uart_init_scc(pinfo);
 
 	uart_set_options(port, co, baud, parity, bits, flow);
+	cpm_line_cr_cmd(pinfo, CPM_CR_RESTART_TX);
 
 	return 0;
 }
@@ -1232,7 +1364,7 @@ static struct console cpm_scc_uart_console = {
 	.data		= &cpm_reg,
 };
 
-int __init cpm_uart_console_init(void)
+static int __init cpm_uart_console_init(void)
 {
 	register_console(&cpm_scc_uart_console);
 	return 0;
@@ -1252,7 +1384,81 @@ static struct uart_driver cpm_reg = {
 	.major		= SERIAL_CPM_MAJOR,
 	.minor		= SERIAL_CPM_MINOR,
 	.cons		= CPM_UART_CONSOLE,
+	.nr		= UART_NR,
 };
+
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+static int probe_index;
+
+static int __devinit cpm_uart_probe(struct of_device *ofdev,
+                                    const struct of_device_id *match)
+{
+	int index = probe_index++;
+	struct uart_cpm_port *pinfo = &cpm_uart_ports[index];
+	int ret;
+
+	pinfo->port.line = index;
+
+	if (index >= UART_NR)
+		return -ENODEV;
+
+	dev_set_drvdata(&ofdev->dev, pinfo);
+
+	ret = cpm_uart_init_port(ofdev->node, pinfo);
+	if (ret)
+		return ret;
+
+	return uart_add_one_port(&cpm_reg, &pinfo->port);
+}
+
+static int __devexit cpm_uart_remove(struct of_device *ofdev)
+{
+	struct uart_cpm_port *pinfo = dev_get_drvdata(&ofdev->dev);
+	return uart_remove_one_port(&cpm_reg, &pinfo->port);
+}
+
+static struct of_device_id cpm_uart_match[] = {
+	{
+		.compatible = "fsl,cpm1-smc-uart",
+	},
+	{
+		.compatible = "fsl,cpm1-scc-uart",
+	},
+	{
+		.compatible = "fsl,cpm2-smc-uart",
+	},
+	{
+		.compatible = "fsl,cpm2-scc-uart",
+	},
+	{}
+};
+
+static struct of_platform_driver cpm_uart_driver = {
+	.name = "cpm_uart",
+	.match_table = cpm_uart_match,
+	.probe = cpm_uart_probe,
+	.remove = cpm_uart_remove,
+ };
+
+static int __init cpm_uart_init(void)
+{
+	int ret = uart_register_driver(&cpm_reg);
+	if (ret)
+		return ret;
+
+	ret = of_register_platform_driver(&cpm_uart_driver);
+	if (ret)
+		uart_unregister_driver(&cpm_reg);
+
+	return ret;
+}
+
+static void __exit cpm_uart_exit(void)
+{
+	of_unregister_platform_driver(&cpm_uart_driver);
+	uart_unregister_driver(&cpm_reg);
+}
+#else
 static int cpm_uart_drv_probe(struct device *dev)
 {
 	struct platform_device  *pdev = to_platform_device(dev);
@@ -1380,6 +1586,7 @@ static void __exit cpm_uart_exit(void)
 	driver_unregister(&cpm_smc_uart_driver);
 	uart_unregister_driver(&cpm_reg);
 }
+#endif
 
 module_init(cpm_uart_init);
 module_exit(cpm_uart_exit);