Message ID | 20190819095817.22107-17-peng.fan@nxp.com |
---|---|
State | Superseded |
Delegated to: | Stefano Babic |
Headers | show
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charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> |
Series |
i.MX8MM support
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expand
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diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 261f586fc0..a33ca35653 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -57,6 +57,12 @@ 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)