[PATCH] Register AC97 Controller Reference with the platform bus

[Grant Likely]

From: Joachim Foerster <mls.JOFT at gmx.de>

Add AC97 platform bus registration for Xilinx Virtex platforms.

Signed-off-by: Joachim Foerster <JOFT at gmx.de>
Signed-off-by: Grant Likely <grant.likely at secretlab.ca>
---

Josh, can you please pick up this patch into your .24 queue.  I know it's
arch/ppc, but it is harmless and it is required to get the AC97 device
driver working on Virtex boards.  It's pretty much a bug fix in that regard.

Cheers,
g.

 arch/ppc/syslib/virtex_devices.c |   31 +++++++++++++++++++++++++++++++
 1 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/arch/ppc/syslib/virtex_devices.c b/arch/ppc/syslib/virtex_devices.c
index 96188f8..95ee313 100644
--- a/arch/ppc/syslib/virtex_devices.c
+++ b/arch/ppc/syslib/virtex_devices.c
@@ -169,6 +169,29 @@
 	}, \
 }
 
+#define XPAR_AC97_CONTROLLER_REFERENCE(num) { \
+	.name = "ml403_ac97cr", \
+	.id = num, \
+	.num_resources = 3, \
+	.resource = (struct resource[]) { \
+		{ \
+			.start = XPAR_OPB_AC97_CONTROLLER_REF_##num##_BASEADDR, \
+			.end = XPAR_OPB_AC97_CONTROLLER_REF_##num##_HIGHADDR, \
+			.flags = IORESOURCE_MEM, \
+		}, \
+		{ \
+			.start = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_PLAYBACK_INTERRUPT_INTR, \
+			.end = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_PLAYBACK_INTERRUPT_INTR, \
+			.flags = IORESOURCE_IRQ, \
+		}, \
+		{ \
+			.start = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_RECORD_INTERRUPT_INTR, \
+			.end = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_RECORD_INTERRUPT_INTR, \
+			.flags = IORESOURCE_IRQ, \
+		}, \
+	}, \
+}
+
 /* UART 8250 driver platform data table */
 struct plat_serial8250_port virtex_serial_platform_data[] = {
 #if defined(XPAR_UARTNS550_0_BASEADDR)
@@ -303,6 +326,14 @@ struct platform_device virtex_platform_devices[] = {
 #if defined(XPAR_TFT_3_BASEADDR)
 	XPAR_TFT(3),
 #endif
+
+	/* AC97 Controller Reference instances */
+#if defined(XPAR_OPB_AC97_CONTROLLER_REF_0_BASEADDR)
+	XPAR_AC97_CONTROLLER_REFERENCE(0),
+#endif
+#if defined(XPAR_OPB_AC97_CONTROLLER_REF_1_BASEADDR)
+	XPAR_AC97_CONTROLLER_REFERENCE(1),
+#endif
 };
 
 /* Early serial support functions */