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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
This commit is contained in:
Rudolf Marek 2010-08-17 06:18:47 +00:00 committed by Patrick Georgi
parent e660f04161
commit ae7a4258c1
1 changed files with 4 additions and 2 deletions
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6
src/southbridge/amd/rs780/rs780_gfx.c
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@ -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);