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authorPeng Fan <peng.fan@nxp.com>2022-04-14 17:37:28 +0800
committerPeng Fan <peng.fan@nxp.com>2022-04-27 11:42:04 +0800
commitf1421596cd4a2303c43c606feda1730ae1504ff7 (patch)
treedc014f8fb6ab19d87b139aaab570046c9a5636c3
parent3d54c8081b73acfc9253510227973cbcd3384655 (diff)
LFU-296 imx: imx8mq: fix tzasc swap id
i.MX8MQ also needs GPR_TZASC_ID_SWAP_BYPASS set to avoid secure DRAM data leakage, since all i.MX8M has this bit, so we drop the condition check. Also lock the bit. Reviewed-by: Ye Li <ye.li@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
-rw-r--r--arch/arm/mach-imx/imx8m/soc.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 877967eb2d..7118a07e58 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -75,15 +75,13 @@ void enable_tzc380(void)
* According to TRM, TZASC_ID_SWAP_BYPASS should be set in
* order to avoid AXI Bus errors when GPU is in use
*/
- if (is_imx8mm() || is_imx8mn() || is_imx8mp())
- setbits_le32(&gpr->gpr[10], GPR_TZASC_ID_SWAP_BYPASS);
+ setbits_le32(&gpr->gpr[10], GPR_TZASC_ID_SWAP_BYPASS);
/*
- * imx8mn and imx8mp implements the lock bit for
+ * imx8m implements the lock bit for
* TZASC_ID_SWAP_BYPASS, enable it to lock settings
*/
- if (is_imx8mn() || is_imx8mp())
- setbits_le32(&gpr->gpr[10], GPR_TZASC_ID_SWAP_BYPASS_LOCK);
+ setbits_le32(&gpr->gpr[10], GPR_TZASC_ID_SWAP_BYPASS_LOCK);
/*
* set Region 0 attribute to allow secure and non-secure