[U-Boot] [i.MX8MM+CCF 32/41] imx8m: set BYPASS ID SWAP to avoid AXI bus errors

Peng Fan
2019-04-30T10:19:24Z

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@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 5e9481c565..3918578399 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -59,6 +59,8 @@ 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)
--
2.16.4