On HS devices the access to SA2UL is restricted on the non-secure ARM side, disable the node in DT to prevent firewall violations. We used to only disable the TRNG but now that we have full SA2UL support in Linux, in which TRNG is a sub-module, disable both by disabling the parent SA2UL node.

Signed-off-by: Andrew F. Davis afd@ti.com --- board/ti/am65x/evm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/board/ti/am65x/evm.c b/board/ti/am65x/evm.c index a22900dcf9..20b75ba133 100644 --- a/board/ti/am65x/evm.c +++ b/board/ti/am65x/evm.c @@ -108,10 +108,10 @@ int ft_board_setup(void *blob, bd_t *bd) }

#if defined(CONFIG_TI_SECURE_DEVICE) - /* Make HW RNG reserved for secure world use */ - ret = fdt_disable_node(blob, "/interconnect@100000/trng@4e10000"); + /* Make Crypto HW reserved for secure world use */ + ret = fdt_disable_node(blob, "/interconnect@100000/crypto@4E00000"); if (ret) - printf("%s: disabling TRGN failed %d\n", __func__, ret); + printf("%s: disabling SA2UL failed %d\n", __func__, ret); #endif

return 0;