[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>

1 files changed, 44 insertions, 1 deletions

diff --git a/arch/arm/mach-footbridge/isa.c b/arch/arm/mach-footbridge/isa.c
index 28846c7edaaf..725a219d0ed5 100644
--- 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);