[U-Boot] [PATCH 14/20] imx8m: set BYPASS ID SWAP to avoid AXI bus errors
Peng Fan
peng.fan at nxp.com
Mon Jan 28 09:39:59 UTC 2019
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 <peng.fan at nxp.com>
---
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 5634bfb96a..f4239d3357 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)
--
2.14.1
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