diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2015-10-01 23:22:51 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2015-10-08 12:19:38 +0300 |
| commit | 031e37f8c9c4fcfb45abc6a53bf32f4753b4dba0 (patch) | |
| tree | f3dbd9028de94e75216a19291f3796cf65165fc6 | |
| parent | 6a5e3bd0c8bc1025bb5092f54d5aea38216c665e (diff) | |
| download | linux-031e37f8c9c4fcfb45abc6a53bf32f4753b4dba0.tar.gz | |
gxt4500: enable on non-PPC architectures
These chips can be present at least on x86 too - Fire GL2 AGP has GXT6000P but
this driver is currently limited to PPC.
Enable it for all architectures and add chip configuration for little-endian.
Tested on x86 with Fire GL2 AGP.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
| -rw-r--r-- | drivers/video/fbdev/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/video/fbdev/gxt4500.c | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 5d67226a1cee..e6d16d65e4e6 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -2134,7 +2134,7 @@ config FB_UDL config FB_IBM_GXT4500 tristate "Framebuffer support for IBM GXT4000P/4500P/6000P/6500P adaptors" - depends on FB && PPC + depends on FB select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -2142,7 +2142,8 @@ config FB_IBM_GXT4500 Say Y here to enable support for the IBM GXT4000P/6000P and GXT4500P/6500P display adaptor based on Raster Engine RC1000, found on some IBM System P (pSeries) machines. This driver - doesn't use Geometry Engine GT1000. + doesn't use Geometry Engine GT1000. This driver also supports + AGP Fire GL2/3/4 cards on x86. config FB_PS3 tristate "PS3 GPU framebuffer driver" diff --git a/drivers/video/fbdev/gxt4500.c b/drivers/video/fbdev/gxt4500.c index f19133a80e8c..ae686962f3d3 100644 --- a/drivers/video/fbdev/gxt4500.c +++ b/drivers/video/fbdev/gxt4500.c @@ -670,8 +670,15 @@ static int gxt4500_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, info); +#ifdef __BIG_ENDIAN /* Set byte-swapping for DFA aperture for all pixel sizes */ pci_write_config_dword(pdev, CFG_ENDIAN0, 0x333300); +#else /* __LITTLE_ENDIAN */ + /* not sure what this means but fgl23 driver does that */ + pci_write_config_dword(pdev, CFG_ENDIAN0, 0x2300); +/* pci_write_config_dword(pdev, CFG_ENDIAN0 + 4, 0x400000);*/ + pci_write_config_dword(pdev, CFG_ENDIAN0 + 8, 0x98530000); +#endif info->fbops = &gxt4500_ops; info->flags = FBINFO_FLAG_DEFAULT; |