fbdev/xilinxfb: Microblaze driver support
DCR bus is natively used for PowerPC. Microblaze has
no infrastructure for compile DCR that's why is necessary
to exclude it.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
CC: Andrei Konovalov <akonovalov@ru.mvista.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: linux-kernel@vger.kernel.org
diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c
index 0c9ce88..68bd234 100644
--- a/drivers/video/xilinxfb.c
+++ b/drivers/video/xilinxfb.c
@@ -32,10 +32,14 @@
#include <linux/dma-mapping.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
+#include <linux/of_address.h>
#include <linux/io.h>
#include <linux/xilinxfb.h>
#include <linux/slab.h>
+
+#ifdef CONFIG_PPC_DCR
#include <asm/dcr.h>
+#endif
#define DRIVER_NAME "xilinxfb"
@@ -123,10 +127,10 @@
registers */
void __iomem *regs; /* virt. address of the control
registers */
-
+#ifdef CONFIG_PPC_DCR
dcr_host_t dcr_host;
unsigned int dcr_len;
-
+#endif
void *fb_virt; /* virt. address of the frame buffer */
dma_addr_t fb_phys; /* phys. address of the frame buffer */
int fb_alloced; /* Flag, was the fb memory alloced? */
@@ -152,9 +156,10 @@
{
if (drvdata->flags & PLB_ACCESS_FLAG)
out_be32(drvdata->regs + (offset << 2), val);
+#ifdef CONFIG_PPC_DCR
else
dcr_write(drvdata->dcr_host, offset, val);
-
+#endif
}
static int
@@ -383,8 +388,11 @@
if (drvdata->flags & PLB_ACCESS_FLAG) {
iounmap(drvdata->regs);
release_mem_region(drvdata->regs_phys, 8);
- } else
+ }
+#ifdef CONFIG_PPC_DCR
+ else
dcr_unmap(drvdata->dcr_host, drvdata->dcr_len);
+#endif
kfree(drvdata);
dev_set_drvdata(dev, NULL);
@@ -404,7 +412,7 @@
u32 tft_access;
struct xilinxfb_platform_data pdata;
struct resource res;
- int size, rc, start;
+ int size, rc;
struct xilinxfb_drvdata *drvdata;
/* Copy with the default pdata (not a ptr reference!) */
@@ -437,7 +445,10 @@
dev_err(&op->dev, "invalid address\n");
goto err;
}
- } else {
+ }
+#ifdef CONFIG_PPC_DCR
+ else {
+ int start;
res.start = 0;
start = dcr_resource_start(op->dev.of_node, 0);
drvdata->dcr_len = dcr_resource_len(op->dev.of_node, 0);
@@ -447,6 +458,7 @@
goto err;
}
}
+#endif
prop = of_get_property(op->dev.of_node, "phys-size", &size);
if ((prop) && (size >= sizeof(u32)*2)) {