diff options
author | Ishizaki Kou <kou.ishizaki@toshiba.co.jp> | 2007-10-02 08:25:16 (GMT) |
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committer | Paul Mackerras <paulus@samba.org> | 2007-10-03 03:25:28 (GMT) |
commit | 86de9f5f5e663123a5a49c6fe39750bea3dba24c (patch) | |
tree | 64a560dda1c3e1cdf6efeac9e16489700cb3831d /arch/powerpc/platforms/celleb | |
parent | 7f2c85777db26c120821bc1c9b8273a30a705a09 (diff) | |
download | linux-fsl-qoriq-86de9f5f5e663123a5a49c6fe39750bea3dba24c.tar.xz |
[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>
Diffstat (limited to 'arch/powerpc/platforms/celleb')
-rw-r--r-- | arch/powerpc/platforms/celleb/scc_sio.c | 48 |
1 files changed, 24 insertions, 24 deletions
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; } |