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authorRudolf Marek <r.marek@assembler.cz>2010-08-17 06:18:47 +0000
committerPatrick Georgi <patrick.georgi@coresystems.de>2010-08-17 06:18:47 +0000
commitae7a4258c123b53e2a348f6a5913dc4e964fe8ca (patch)
treef3c47e3149505648c96ca7807f0ae915bde442c2 /src/southbridge
parente660f041610e2030d85663735ebad247a1d534ae (diff)
downloadcoreboot-ae7a4258c123b53e2a348f6a5913dc4e964fe8ca.tar.xz
Look for actual framebuffer size instead of hardcoding UMA
Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Acked-by: Marc Jones <marcj303@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5705 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge')
-rw-r--r--src/southbridge/amd/rs780/rs780_gfx.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/southbridge/amd/rs780/rs780_gfx.c b/src/southbridge/amd/rs780/rs780_gfx.c
index 0f493f26d0..88cb935de8 100644
--- a/src/southbridge/amd/rs780/rs780_gfx.c
+++ b/src/southbridge/amd/rs780/rs780_gfx.c
@@ -660,8 +660,10 @@ static void rs780_internal_gfx_enable(device_t dev)
/* Set UMA in the 780 side. */
/* UMA start address, size. */
- /* The same value in spite of system memory size. */
- nbmc_write_index(nb_dev, 0x10, 0xcfffc000);
+ /* The UMA starts at 0xC0000000 of internal RS780 address space
+ [31:16] addr of last byte | [31:16] addr of first byte
+ */
+ nbmc_write_index(nb_dev, 0x10, ((uma_memory_size - 1 + 0xC0000000) & (~0xffff)) | 0xc000);
nbmc_write_index(nb_dev, 0x11, uma_memory_base);
nbmc_write_index(nb_dev, 0x12, 0);
nbmc_write_index(nb_dev, 0xf0, 256);