summaryrefslogtreecommitdiff
path: root/src/soc/mediatek
diff options
context:
space:
mode:
authorJarried Lin <jarried.lin@mediatek.corp-partner.google.com>2024-06-03 10:13:46 +0800
committerYidi Lin <yidilin@google.com>2024-11-29 07:08:50 +0000
commit758174c61bf2ecabaa4817b804f3bdb7e9c8d358 (patch)
tree5803c25814a554b0b177d4278b9b249b224d3871 /src/soc/mediatek
parent605c76bd9c44c111c1dea1da5dfa2072af74cda6 (diff)
soc/mediatek/mt8196: Reserve 70 MB memory for OP-TEE
Reserve 70MB memory space for running the OP-TEE image. BUG=b:317009620 TEST=build pass Change-Id: I6f75870bdd76e89866508d351b04a0921f30fe4d Signed-off-by: Jarried Lin <jarried.lin@mediatek.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/85249 Reviewed-by: Yu-Ping Wu <yupingso@google.com> Reviewed-by: Yidi Lin <yidilin@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/mediatek')
-rw-r--r--src/soc/mediatek/common/include/soc/symbols.h1
-rw-r--r--src/soc/mediatek/mt8196/include/soc/memlayout.ld4
-rw-r--r--src/soc/mediatek/mt8196/soc.c8
3 files changed, 13 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/include/soc/symbols.h b/src/soc/mediatek/common/include/soc/symbols.h
index 5e1c7058c3..065c300ed2 100644
--- a/src/soc/mediatek/common/include/soc/symbols.h
+++ b/src/soc/mediatek/common/include/soc/symbols.h
@@ -6,5 +6,6 @@
#include <symbols.h>
DECLARE_REGION(dram_dma)
+DECLARE_REGION(resv_mem_optee)
#endif /* _SOC_MEDIATEK_COMMON_SYMBOLS_H_ */
diff --git a/src/soc/mediatek/mt8196/include/soc/memlayout.ld b/src/soc/mediatek/mt8196/include/soc/memlayout.ld
index f5710f45c2..f038e23907 100644
--- a/src/soc/mediatek/mt8196/include/soc/memlayout.ld
+++ b/src/soc/mediatek/mt8196/include/soc/memlayout.ld
@@ -2,6 +2,9 @@
#include <soc/memlayout.h>
+#define OPTEE_BUF(addr, size) \
+ REGION(resv_mem_optee, addr, size, 4K)
+
SECTIONS
{
/* MT8196 has 256KB SRAM. */
@@ -54,6 +57,7 @@ SECTIONS
DRAM_DMA(0x80000000, 1M)
POSTRAM_CBFS_CACHE(0x80100000, 2M)
RAMSTAGE(0x80300000, 2M)
+ OPTEE_BUF(0x80500000, 70M)
BL31(0x94600000, 0x200000)
}
diff --git a/src/soc/mediatek/mt8196/soc.c b/src/soc/mediatek/mt8196/soc.c
index eb72fca365..d3aeb5a72c 100644
--- a/src/soc/mediatek/mt8196/soc.c
+++ b/src/soc/mediatek/mt8196/soc.c
@@ -5,8 +5,16 @@
#include <soc/emi.h>
#include <soc/mmu_operations.h>
#include <soc/pcie.h>
+#include <soc/symbols.h>
#include <symbols.h>
+void bootmem_platform_add_ranges(void)
+{
+ if (CONFIG(ARM64_BL31_OPTEE_WITH_SMC))
+ bootmem_add_range((uint64_t)_resv_mem_optee,
+ REGION_SIZE(resv_mem_optee), BM_MEM_RESERVED);
+}
+
static void soc_read_resources(struct device *dev)
{
ram_range(dev, 0, (uintptr_t)_dram, sdram_size());