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| author | John Klug <john.klug@multitech.com> | 2017-05-15 16:48:01 -0500 |
|---|---|---|
| committer | John Klug <john.klug@multitech.com> | 2017-05-15 16:48:01 -0500 |
| commit | 0a7d5ab41687504f5b2c175cdd882ded1ee262a3 (patch) | |
| tree | baf63318af8ec79afb6ec7a79f5b4b93efa422e1 /recipes-bsp/at91bootstrap | |
| parent | 0384889e4d7aff14a9107749d5b0e323b94bbd17 (diff) | |
| download | meta-multitech-atmel-0a7d5ab41687504f5b2c175cdd882ded1ee262a3.tar.gz meta-multitech-atmel-0a7d5ab41687504f5b2c175cdd882ded1ee262a3.tar.bz2 meta-multitech-atmel-0a7d5ab41687504f5b2c175cdd882ded1ee262a3.zip | |
Add RTC interrupt disable to bootstrap (same as MTR).
Diffstat (limited to 'recipes-bsp/at91bootstrap')
| -rw-r--r-- | recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.3-disable-rtc-interrupts.patch | 27 | ||||
| -rw-r--r-- | recipes-bsp/at91bootstrap/at91bootstrap_3.5.3.bb | 5 |
2 files changed, 30 insertions, 2 deletions
diff --git a/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.3-disable-rtc-interrupts.patch b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.3-disable-rtc-interrupts.patch new file mode 100644 index 0000000..e5dd013 --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap-3.5.3/at91bootstrap-3.5.3-disable-rtc-interrupts.patch @@ -0,0 +1,27 @@ +Index: at91bootstrap-3.5.3/board/at91sam9x5ek/at91sam9x5ek.c +=================================================================== +--- at91bootstrap-3.5.3.orig/board/at91sam9x5ek/at91sam9x5ek.c 2015-12-21 15:42:05.498892917 -0600 ++++ at91bootstrap-3.5.3/board/at91sam9x5ek/at91sam9x5ek.c 2015-12-22 14:53:59.151521592 -0600 +@@ -46,6 +46,9 @@ + + #include "onewire_info.h" + ++#define RTC_SCCR 0x1C ++#define RTC_IDR 0x24 ++ + #ifdef CONFIG_USER_HW_INIT + extern void hw_init_hook(void); + #endif +@@ -207,6 +210,12 @@ + #ifdef CONFIG_USER_HW_INIT + hw_init_hook(); + #endif ++ ++ /* disable all RTC interrupts and clear status register. ++ * Prevents possible Linux lockup due to unexpected RTC interrupt ++ */ ++ writel(0xFF, RTC_IDR + AT91C_BASE_RTC); ++ writel(0xFF, RTC_SCCR + AT91C_BASE_RTC); + } + #endif /* #ifdef CONFIG_HW_INIT */ + diff --git a/recipes-bsp/at91bootstrap/at91bootstrap_3.5.3.bb b/recipes-bsp/at91bootstrap/at91bootstrap_3.5.3.bb index 1858d49..2e5f086 100644 --- a/recipes-bsp/at91bootstrap/at91bootstrap_3.5.3.bb +++ b/recipes-bsp/at91bootstrap/at91bootstrap_3.5.3.bb @@ -1,6 +1,6 @@ require at91bootstrap_3.5.inc -PR = "r2" +PR = "r3" LICENSE = "custom-freely-distributable" LIC_FILES_CHKSUM = "file://main.c;beginline=6;endline=26;md5=6fca71334c9e8b7d033296123c91437f" @@ -9,7 +9,8 @@ SRCREV = "v${PV}" SRC_URI = "git://github.com/linux4sam/at91bootstrap \ file://at91bootstrap-3.5.2-add-install.patch \ file://at91bootstrap-3.5.2-onetime-slow-clock-switch.patch \ - file://at91sam9x5_4bit_pmecc_header.bin " + file://at91sam9x5_4bit_pmecc_header.bin \ + file://at91bootstrap-3.5.3-disable-rtc-interrupts.patch" S = "${WORKDIR}/git" |