Attention is currently required from: Philipp Hug, ron minnich.
Arthur Heymans has uploaded this change for review.
mb/emulation/riscv: Limit DRAM size
Qemu only limits 16GiB of address space and gets confused when probing
for addresses much higher. Therefore limit the amount of dram we wish to
probe.
Change-Id: Ib8555de361d1129d3d1995f056518c576f055515
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
---
M src/mainboard/emulation/qemu-riscv/Kconfig
1 file changed, 17 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/43/68843/1
diff --git a/src/mainboard/emulation/qemu-riscv/Kconfig b/src/mainboard/emulation/qemu-riscv/Kconfig
index 0af309a..5891595 100644
--- a/src/mainboard/emulation/qemu-riscv/Kconfig
+++ b/src/mainboard/emulation/qemu-riscv/Kconfig
@@ -44,9 +44,11 @@
int
default 1
+# Qemu maps MMIO at ALIGN_UP(top_of_mem, 16 * GiB)
+# To avoid confusing the dram probing algoritm, avoid large dram sizes (16G - 1m)
config DRAM_SIZE_MB
int
- default 32768
+ default 16383
config OPENSBI_PLATFORM
string
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