Author: oxygene
Date: Tue Aug 17 08:18:47 2010
New Revision: 5705
URL: https://tracker.coreboot.org/trac/coreboot/changeset/5705
Log:
Look for actual framebuffer size instead of hardcoding UMA
Signed-off-by: Rudolf Marek <r.ma...@assembler.cz>
Acked-by: Marc Jones <marcj...@gmail.com>
Modified:
trunk/src/southbridge/amd/rs780/rs780_gfx.c
Modified: trunk/src/southbridge/amd/rs780/rs780_gfx.c
==============================================================================
--- trunk/src/southbridge/amd/rs780/rs780_gfx.c Tue Aug 17 08:12:59 2010
(r5704)
+++ trunk/src/southbridge/amd/rs780/rs780_gfx.c Tue Aug 17 08:18:47 2010
(r5705)
@@ -660,8 +660,10 @@
/* 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);
--
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