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| author | Solomon Peachy <pizza@shaftnet.org> | 2020-07-01 23:17:38 -0400 |
|---|---|---|
| committer | Solomon Peachy <pizza@shaftnet.org> | 2020-07-15 18:29:49 +0000 |
| commit | ff8cca70a4651e6a9db9599d3778d7b5d7926d96 (patch) | |
| tree | bed814c33e500d3f34c20b3f4044757902b489d6 | |
| parent | 650eaa39c4665a08d882217550f1959a49c0c039 (diff) | |
| download | rockbox-ff8cca7.tar.gz rockbox-ff8cca7.zip | |
imx233: rtc: Explicitly clear the soft reset bit when initializing
If we come up and the RTC is in a reset state, we need to release that
before trying to initialze anything else. (See IMX23RM 23.8.1 and 39.3.10)
Change-Id: I1820ab771ba81f7d428d07040b7d188d9f688127
| -rw-r--r-- | firmware/target/arm/imx233/rtc-imx233.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/rtc-imx233.h b/firmware/target/arm/imx233/rtc-imx233.h index 77e4081507..c6138efbb6 100644 --- a/firmware/target/arm/imx233/rtc-imx233.h +++ b/firmware/target/arm/imx233/rtc-imx233.h @@ -81,6 +81,8 @@ static inline void imx233_rtc_reset_watchdog(uint32_t ms) static inline void imx233_rtc_init(void) { + BF_CLR(RTC_CTRL, SFTRST); + udelay(5); /* only need 3 GPMI clocks (1us) */ BF_CLR(RTC_CTRL, CLKGATE); imx233_rtc_enable_watchdog(false); } |