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| author | Michal Simek <monstr@monstr.eu> | 2010-10-07 17:39:03 +1000 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2010-10-21 16:04:51 +1000 |
| commit | a1dfe9c7c9b780865f7a847d3a12fe9214005a58 (patch) | |
| tree | 0f51f4340bc611c686fbbda3584e3080e857fc3b /drivers/video/xilinxfb.c | |
| parent | 1180b28ca82c529972bfd438467d5cd71cca5372 (diff) | |
| download | op-kernel-dev-a1dfe9c7c9b780865f7a847d3a12fe9214005a58.zip op-kernel-dev-a1dfe9c7c9b780865f7a847d3a12fe9214005a58.tar.gz | |
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
Diffstat (limited to 'drivers/video/xilinxfb.c')
| -rw-r--r-- | drivers/video/xilinxfb.c | 24 |
1 files changed, 18 insertions, 6 deletions
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 @@ struct xilinxfb_drvdata { 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 @@ static void xilinx_fb_out_be32(struct xilinxfb_drvdata *drvdata, u32 offset, { 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 @@ static int xilinxfb_release(struct device *dev) 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 @@ xilinxfb_of_probe(struct platform_device *op, const struct of_device_id *match) 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 @@ xilinxfb_of_probe(struct platform_device *op, const struct of_device_id *match) 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 @@ xilinxfb_of_probe(struct platform_device *op, const struct of_device_id *match) goto err; } } +#endif prop = of_get_property(op->dev.of_node, "phys-size", &size); if ((prop) && (size >= sizeof(u32)*2)) { |
