| Message ID | 20190708015333.20411-25-peng.fan@nxp.com |
|---|---|
| State | Rejected |
| Delegated to: | Stefano Babic |
| Headers | show
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| Series |
Support i.MX8MM/N
|
expand
|
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 9a90383f51..5b7300087d 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -61,6 +61,12 @@ void enable_tzc380(void) setbits_le32(&gpr->gpr[10], GPR_TZASC_EN_LOCK); if (IS_ENABLED(CONFIG_IMX8MM)) setbits_le32(&gpr->gpr[10], BIT(1)); + /* + * set Region 0 attribute to allow secure and non-secure + * read/write permission. Found some masters like usb dwc3 + * controllers can't work with secure memory. + */ + writel(0xf0000000, TZASC_BASE_ADDR + 0x108); } void set_wdog_reset(struct wdog_regs *wdog)