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Commit cba774ae authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[ARM] Add rtc-cmos driver for ISA-based footbridge platforms 



... but the rtc-cmos is rather broken; if PNP is enabled, it assumes
that we have ACPI (!) which is quite bogus on these platforms -
which may have ISAPNP but not ACPI.  Something to be solved in the
future.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 883042d6

arch/arm/mach-footbridge/isa.c

+44 −1
Original line number Diff line number Diff line
@@ -12,6 +12,39 @@ 


#include <asm/irq.h>



static struct resource rtc_resources[] = {

	[0] = {

		.start	= 0x70,

		.end	= 0x73,

		.flags	= IORESOURCE_IO,

	},

	[1] = {

		.start	= IRQ_ISA_RTC_ALARM,

		.end	= IRQ_ISA_RTC_ALARM,

		.flags	= IORESOURCE_IRQ,

	}

};



static struct platform_device rtc_device = {

	.name		= "rtc_cmos",

	.id		= -1,

	.resource	= rtc_resources,

	.num_resources	= ARRAY_SIZE(rtc_resources),

};



static struct resource serial_resources[] = {

	[0] = {

		.start	= 0x3f8,

		.end	= 0x3ff,

		.flags	= IORESOURCE_IO,

	},

	[1] = {

		.start	= 0x2f8,

		.end	= 0x2ff,

		.flags	= IORESOURCE_IO,

	},

};



static struct plat_serial8250_port serial_platform_data[] = {

	{

		.iobase		= 0x3f8,
@@ -38,11 +71,21 @@ static struct platform_device serial_device = { 
	.dev			= {

		.platform_data	= serial_platform_data,

	},

	.resource		= serial_resources,

	.num_resources		= ARRAY_SIZE(serial_resources),

};



static int __init footbridge_isa_init(void)

{

	return platform_device_register(&serial_device);

	int err;



	err = platform_device_register(&rtc_device);

	if (err)

		printk(KERN_ERR "Unable to register RTC device: %d\n", err);

	err = platform_device_register(&serial_device);

	if (err)

		printk(KERN_ERR "Unable to register serial device: %d\n", err);

	return 0;

}



arch_initcall(footbridge_isa_init);