From: Ishizaki Kou <kou.ishizaki@toshiba.co.jp>
Date: Tue, 2 Oct 2007 08:25:16 +0000 (+1000)
Subject: [POWERPC] Celleb: Serial I/O update
X-Git-Tag: v3.12-rc1~26464^2~133
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=86de9f5f5e663123a5a49c6fe39750bea3dba24c;p=kernel%2Fkernel-generic.git

[POWERPC] Celleb: Serial I/O update

This is an update for Serial I/O on Celleb.
  - Detection algorithm has been changed

Signed-off-by: Kou Ishizaki <Kou.Ishizaki@toshiba.co.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/platforms/celleb/scc_sio.c b/arch/powerpc/platforms/celleb/scc_sio.c
index bb98735..6100082 100644
--- a/arch/powerpc/platforms/celleb/scc_sio.c
+++ b/arch/powerpc/platforms/celleb/scc_sio.c
@@ -1,7 +1,7 @@
 /*
  * setup serial port in SCC
  *
- * (C) Copyright 2006 TOSHIBA CORPORATION
+ * (C) Copyright 2006-2007 TOSHIBA CORPORATION
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -42,40 +42,40 @@ static struct {
 static int __init txx9_serial_init(void)
 {
 	extern int early_serial_txx9_setup(struct uart_port *port);
-	struct device_node *node;
+	struct device_node *node = NULL;
 	int i;
 	struct uart_port req;
 	struct of_irq irq;
 	struct resource res;
 
-	node = of_find_node_by_path("/ioif1/sio");
-	if (!node)
-		return 0;
+	while ((node = of_find_compatible_node(node,
+				"serial", "toshiba,sio-scc")) != NULL) {
+		for (i = 0; i < ARRAY_SIZE(txx9_scc_tab); i++) {
+			if (!(txx9_serial_bitmap & (1<<i)))
+				continue;
 
-	for(i = 0; i < sizeof(txx9_scc_tab)/sizeof(txx9_scc_tab[0]); i++) {
-		if (!(txx9_serial_bitmap & (1<<i)))
-			continue;
+			if (of_irq_map_one(node, i, &irq))
+				continue;
+			if (of_address_to_resource(node,
+				txx9_scc_tab[i].index, &res))
+				continue;
 
-		if (of_irq_map_one(node, i, &irq))
-			continue;
-		if (of_address_to_resource(node, txx9_scc_tab[i].index, &res))
-			continue;
-
-		memset(&req, 0, sizeof(req));
-		req.line = i;
-		req.iotype = UPIO_MEM;
-		req.mapbase = res.start + txx9_scc_tab[i].offset;
+			memset(&req, 0, sizeof(req));
+			req.line = i;
+			req.iotype = UPIO_MEM;
+			req.mapbase = res.start + txx9_scc_tab[i].offset;
 #ifdef CONFIG_SERIAL_TXX9_CONSOLE
-		req.membase = ioremap(req.mapbase, 0x24);
+			req.membase = ioremap(req.mapbase, 0x24);
 #endif
-		req.irq = irq_create_of_mapping(irq.controller,
-			irq.specifier, irq.size);
-		req.flags |= UPF_IOREMAP | UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
-		req.uartclk = 83300000;
-		early_serial_txx9_setup(&req);
+			req.irq = irq_create_of_mapping(irq.controller,
+				irq.specifier, irq.size);
+			req.flags |= UPF_IOREMAP | UPF_BUGGY_UART
+				/*HAVE_CTS_LINE*/;
+			req.uartclk = 83300000;
+			early_serial_txx9_setup(&req);
+		}
 	}
 
-	of_node_put(node);
 	return 0;
 }