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authorJonathan Neuschäfer <j.neuschaefer@gmx.net>2016-11-24 08:25:29 +0100
committerRonald G. Minnich <rminnich@gmail.com>2016-12-06 18:48:28 +0100
commitfc5e6c6696b7c7f6af0311dbb0870602b12bed73 (patch)
treebccce4d5102f51ac442afd5ed294444472da0cb3 /src/soc/ucb/riscv
parentba571c79af41261bcb378aca343ddd2990da6d76 (diff)
downloadcoreboot-fc5e6c6696b7c7f6af0311dbb0870602b12bed73.tar.xz
soc/ucb/riscv: Place CBMEM at top of autodetected RAM
Change-Id: Ida016aec11ccdb8da8d2ae1d30ddca16b069be11 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/17595 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/soc/ucb/riscv')
-rw-r--r--src/soc/ucb/riscv/cbmem.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/soc/ucb/riscv/cbmem.c b/src/soc/ucb/riscv/cbmem.c
index 0e0eec196b..44ffa26939 100644
--- a/src/soc/ucb/riscv/cbmem.c
+++ b/src/soc/ucb/riscv/cbmem.c
@@ -12,9 +12,14 @@
*/
#include <cbmem.h>
+#include <commonlib/configstring.h>
void *cbmem_top(void)
{
- // TODO: find out how RISCV stores this.
- return (void *)((uintptr_t)3*GiB);
+ uintptr_t base;
+ size_t size;
+
+ query_mem(configstring(), &base, &size);
+
+ return (void *)(base + size);
}