[U-Boot] imx: i.MX8MQ: clear ocotp error bit
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Message ID 20190417095422.5641-1-peng.fan@nxp.com
State Accepted
Commit 702339bdf463a5af6f6839a3c495e003750ab309
Delegated to: Stefano Babic
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  • [U-Boot] imx: i.MX8MQ: clear ocotp error bit
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Commit Message

Peng Fan April 17, 2019, 9:41 a.m. UTC
In case ocotp error bit is set, clear it.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm/mach-imx/imx8m/soc.c | 7 +++++++
 1 file changed, 7 insertions(+)

Patch
diff mbox series

diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 11251c5f9a..7ec39b3e47 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -169,6 +169,7 @@  static void imx_set_wdog_powerdown(bool enable)
 
 int arch_cpu_init(void)
 {
+	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
 	/*
 	 * Init timer at very early state, because sscg pll setting
 	 * will use it
@@ -180,6 +181,12 @@  int arch_cpu_init(void)
 		imx_set_wdog_powerdown(false);
 	}
 
+	if (is_imx8mq()) {
+		clock_enable(CCGR_OCOTP, 1);
+		if (readl(&ocotp->ctrl) & 0x200)
+			writel(0x200, &ocotp->ctrl_clr);
+	}
+
 	return 0;
 }