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authorTimothy Pearson <tpearson@raptorengineeringinc.com>2015-03-13 12:48:31 -0500
committerKyösti Mälkki <kyosti.malkki@gmail.com>2015-03-17 04:33:06 +0100
commit49168805112d021f8715cab3abded8ab384860ac (patch)
treeda3eca2c996f7f552c0dd41a671a253f1a8fc680 /src/northbridge
parent447240808c62cb877e343c40802a35d01ed198fb (diff)
cpu/amd/model_10xxx: Move GFXUMA size calculation to separate function
This is required for early CBMEM support. Change-Id: I31d9b6a04ef963a7d3e045d9c5201ae64604218a Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: http://review.coreboot.org/8663 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/northbridge')
-rw-r--r--src/northbridge/amd/amdfam10/northbridge.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index 5ce7ae66d7..e2b144126b 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -33,6 +33,7 @@
#include <cpu/x86/lapic.h>
#include <cpu/amd/mtrr.h>
#include <cpu/amd/amdfam10_sysconf.h>
+#include <cpu/amd/model_10xxx/ram_calc.h>
#if CONFIG_LOGICAL_CPUS
#include <cpu/amd/multicore.h>
@@ -740,21 +741,7 @@ static void setup_uma_memory(void)
{
#if CONFIG_GFXUMA
uint32_t topmem = (uint32_t) bsp_topmem();
- /* refer to UMA Size Consideration in 780 BDG. */
- switch (topmem) {
- case 0x10000000: /* 256M system memory */
- uma_memory_size = 0x4000000; /* 64M recommended UMA */
- break;
-
- case 0x20000000: /* 512M system memory */
- uma_memory_size = 0x8000000; /* 128M recommended UMA */
- break;
-
- default: /* 1GB and above system memory */
- uma_memory_size = 0x10000000; /* 256M recommended UMA */
- break;
- }
-
+ uma_memory_size = get_uma_memory_size(topmem);
uma_memory_base = topmem - uma_memory_size; /* TOP_MEM1 */
printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
__func__, uma_memory_size, uma_memory_base);