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[POWERPC] Celleb: Serial I/O update

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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>
This commit is contained in:
Ishizaki Kou 2007-10-02 18:25:16 +10:00 committed by Paul Mackerras
parent 7f2c85777d
commit 86de9f5f5e
1 changed files with 24 additions and 24 deletions
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48
arch/powerpc/platforms/celleb/scc_sio.c
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@ -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;
}