commit 94f389485e27641348c1951ab8d65157122a8939
author John Rigby <jrigby@freescale.com> Thu Jan 17 08:37:24 2008 +1100
committer Grant Likely <grant.likely@secretlab.ca> Mon Jan 21 11:01:32 2008 -0700
tree 513c59839b466e893b9c8e3db2d6a0df2a8db11b
parent 5b5820d08b8cc90ba0148bf8d4a5a1f792e9e8ba

[POWERPC] Separate MPC52xx PSC FIFO registers from rest of PSC

This is in preparation for the addition of MPC512x
PSC support.  The main difference in the 512x is
in the fifo registers.

Signed-off-by: John Rigby <jrigby@freescale.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/serial/mpc52xx_uart.c

diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 7e3ba8b..141b8da 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -112,6 +112,7 @@
 #endif
 
 #define PSC(port) ((struct mpc52xx_psc __iomem *)((port)->membase))
+#define FIFO(port) ((struct mpc52xx_psc_fifo __iomem *)(PSC(port)+1))
 
 
 /* Forward declaration of the interruption handling routine */
@@ -223,6 +224,7 @@
 mpc52xx_uart_startup(struct uart_port *port)
 {
 	struct mpc52xx_psc __iomem *psc = PSC(port);
+	struct mpc52xx_psc_fifo __iomem *fifo = FIFO(port);
 	int ret;
 
 	/* Request IRQ */
@@ -239,10 +241,10 @@
 
 	out_be16(&psc->mpc52xx_psc_clock_select, 0xdd00); /* /16 prescaler on */
 
-	out_8(&psc->rfcntl, 0x00);
-	out_be16(&psc->rfalarm, 0x1ff);
-	out_8(&psc->tfcntl, 0x07);
-	out_be16(&psc->tfalarm, 0x80);
+	out_8(&fifo->rfcntl, 0x00);
+	out_be16(&fifo->rfalarm, 0x1ff);
+	out_8(&fifo->tfcntl, 0x07);
+	out_be16(&fifo->tfalarm, 0x80);
 
 	port->read_status_mask |= MPC52xx_PSC_IMR_RXRDY | MPC52xx_PSC_IMR_TXRDY;
 	out_be16(&psc->mpc52xx_psc_imr,port->read_status_mask);

include/asm-powerpc/mpc52xx_psc.h

diff --git a/include/asm-powerpc/mpc52xx_psc.h b/include/asm-powerpc/mpc52xx_psc.h
index 26690d2..bea42b9 100644
--- a/include/asm-powerpc/mpc52xx_psc.h
+++ b/include/asm-powerpc/mpc52xx_psc.h
@@ -153,6 +153,9 @@
 	u8		reserved16[3];
 	u8		irfdr;		/* PSC + 0x54 */
 	u8		reserved17[3];
+};
+
+struct mpc52xx_psc_fifo {
 	u16		rfnum;		/* PSC + 0x58 */
 	u16		reserved18;
 	u16		tfnum;		/* PSC + 0x5c */

include/asm-ppc/mpc52xx_psc.h

diff --git a/include/asm-ppc/mpc52xx_psc.h b/include/asm-ppc/mpc52xx_psc.h
index c82b8d4..39fcd02 100644
--- a/include/asm-ppc/mpc52xx_psc.h
+++ b/include/asm-ppc/mpc52xx_psc.h
@@ -159,6 +159,9 @@
 	u8		reserved16[3];
 	u8		irfdr;		/* PSC + 0x54 */
 	u8		reserved17[3];
+};
+
+struct mpc52xx_psc_fifo {
 	u16		rfnum;		/* PSC + 0x58 */
 	u16		reserved18;
 	u16		tfnum;		/* PSC + 0x5c */