[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: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-footbridge/isa.c b/arch/arm/mach-footbridge/isa.c
index 28846c7..725a219 100644 (file)
--- a/arch/arm/mach-footbridge/isa.c
+++ b/arch/arm/mach-footbridge/isa.c
@@ -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);