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Attempt to use the framebuffer already set up by U-Boot... doesn't work yet though.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37999 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol
2010-08-10 10:01:54 +00:00
parent d45bbb649e
commit d79351ea5e
1 changed files with 27 additions and 2 deletions
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src/system/boot/arch/arm/arch_video_920.cpp
+27 -2
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@@ -41,18 +41,43 @@ extern "C" addr_t mmu_map_physical_memory(addr_t physicalAddress, size_t size, u
#if BOARD_CPU_ARM920T #if BOARD_CPU_ARM920T
// #pragma mark - // #pragma mark -
extern void *gFrameBufferBase;
status_t status_t
arch_probe_video_mode(void) arch_probe_video_mode(void)
{ {
return B_ERROR; gKernelArgs.frame_buffer.depth = 16;
gKernelArgs.frame_buffer.width = 1024;
gKernelArgs.frame_buffer.height = 768;
gKernelArgs.frame_buffer.bytes_per_row = gKernelArgs.frame_buffer.width * 2;
gKernelArgs.frame_buffer.physical_buffer.size = gKernelArgs.frame_buffer.width
* gKernelArgs.frame_buffer.height
* gKernelArgs.frame_buffer.depth / 8;
#if 0
if (!gFrameBufferBase) {
int err = platform_allocate_region(&gFrameBufferBase, gKernelArgs.frame_buffer.physical_buffer.size, 0, false);
if (err < B_OK) return err;
gKernelArgs.frame_buffer.physical_buffer.start = (addr_t)gFrameBufferBase;
dprintf("video framebuffer: %p\n", gFrameBufferBase);
}
#else
gFrameBufferBase = (void *)0x88000000;
gKernelArgs.frame_buffer.physical_buffer.start = (addr_t)gFrameBufferBase;
#endif
dprintf("video mode: %ux%ux%u\n", gKernelArgs.frame_buffer.width,
gKernelArgs.frame_buffer.height, gKernelArgs.frame_buffer.depth);
gKernelArgs.frame_buffer.enabled = true;
return B_OK;
} }
status_t status_t
arch_set_video_mode(int width, int height, int depth) arch_set_video_mode(int width, int height, int depth)
{ {
return B_ERROR; return B_OK;
} }