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| author | Jordan Crouse <jordan.crouse@amd.com> | 2008-06-18 11:34:38 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-19 14:19:03 +0200 |
| commit | ffe6e1da86d21d7855495b5a772c93f050258f6e (patch) | |
| tree | c327ccc9378b70df18d0b89355e43c613a073334 /arch/x86/kernel/geode_32.c | |
| parent | d3942cff620bea073fc4e3c8ed878eb1e84615ce (diff) | |
| download | kernel_samsung_smdk4412-ffe6e1da86d21d7855495b5a772c93f050258f6e.zip kernel_samsung_smdk4412-ffe6e1da86d21d7855495b5a772c93f050258f6e.tar.gz kernel_samsung_smdk4412-ffe6e1da86d21d7855495b5a772c93f050258f6e.tar.bz2 | |
x86, geode: add a VSA2 ID for General Software
General Software writes their own VSA2 module for their version
of the Geode BIOS, which returns a different ID then the standard
VSA2. This was causing the framebuffer driver to break for most
GSW boards.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Cc: tglx@linutronix.de
Cc: linux-geode@lists.infradead.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/geode_32.c')
| -rw-r--r-- | arch/x86/kernel/geode_32.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/geode_32.c b/arch/x86/kernel/geode_32.c index e8edd63..9b08e85 100644 --- a/arch/x86/kernel/geode_32.c +++ b/arch/x86/kernel/geode_32.c @@ -166,6 +166,8 @@ int geode_has_vsa2(void) static int has_vsa2 = -1; if (has_vsa2 == -1) { + u16 val; + /* * The VSA has virtual registers that we can query for a * signature. @@ -173,7 +175,8 @@ int geode_has_vsa2(void) outw(VSA_VR_UNLOCK, VSA_VRC_INDEX); outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX); - has_vsa2 = (inw(VSA_VRC_DATA) == VSA_SIG); + val = inw(VSA_VRC_DATA); + has_vsa2 = (val == AMD_VSA_SIG || val == GSW_VSA_SIG); } return has_vsa2; |