ep93xx: Add IDE support to edb93xx boards

Add IDE support to edb93xx boards.

Signed-off-by: Rafal Prylowski <prylowski@metasoft.pl>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ryan Mallon <rmallon@gmail.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c
index d74c5cddb98b..9005ea698f1e 100644
--- a/arch/arm/mach-ep93xx/edb93xx.c
+++ b/arch/arm/mach-ep93xx/edb93xx.c
@@ -233,6 +233,29 @@ static void __init edb93xx_register_fb(void)
 }
 
 
+/*************************************************************************
+ * EDB93xx IDE
+ *************************************************************************/
+static int __init edb93xx_has_ide(void)
+{
+        /*
+         * Although EDB9312 and EDB9315 do have IDE capability, they have
+         * INTRQ line wired as pull-up, which makes using IDE interface
+         * problematic.
+         */
+        return machine_is_edb9312() || machine_is_edb9315() ||
+               machine_is_edb9315a();
+}
+
+static void __init edb93xx_register_ide(void)
+{
+        if (!edb93xx_has_ide())
+                return;
+
+        ep93xx_register_ide();
+}
+
+
 static void __init edb93xx_init_machine(void)
 {
         ep93xx_init_devices();
@@ -243,6 +266,7 @@ static void __init edb93xx_init_machine(void)
         edb93xx_register_i2s();
         edb93xx_register_pwm();
         edb93xx_register_fb();
+        edb93xx_register_ide();
 }