From dbb2b7e50899ea6651bdc4c931427e6152493ba2 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Tue, 27 Aug 2019 06:25:30 +0000 Subject: [PATCH] imx8m: set BYPASS ID SWAP to avoid AXI bus errors set the BYPASS ID SWAP bit (GPR10 bit 1) in order for GPU not to generated AXI bus errors with TZC380 enabled. Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8m/soc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index dd393b581b..261f586fc0 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -55,6 +55,8 @@ void enable_tzc380(void) /* Enable TZASC and lock setting */ setbits_le32(&gpr->gpr[10], GPR_TZASC_EN); setbits_le32(&gpr->gpr[10], GPR_TZASC_EN_LOCK); + if (IS_ENABLED(CONFIG_IMX8MM)) + setbits_le32(&gpr->gpr[10], BIT(1)); } void set_wdog_reset(struct wdog_regs *wdog) -- 2.25.1