[U-Boot] [PATCH 1/6] am33xx: Enable UART{1,2,4,5} clocks
Tom Rini
trini at ti.com
Thu Sep 27 19:07:49 CEST 2012
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On 09/27/12 09:45, Marek Vasut wrote:
> Dear Tom Rini,
>
>> On Thu, Sep 27, 2012 at 06:13:36PM +0200, Marek Vasut wrote:
>>> Dear Andrew Bradford,
>>>
>>>> If configured to use UART{1,2,4,5}, such as on the Beaglebone
>>>> RS232 cape, enable the required clocks for the UART in use.
>>>>
>>>> Signed-off-by: Andrew Bradford <andrew at bradfordembedded.com>
>>>> ---
>>>>
>>>> arch/arm/cpu/armv7/am33xx/clock.c | 28
>>>> ++++++++++++++++++++++++++++ 1 file changed, 28
>>>> insertions(+)
>>>>
>>>> diff --git a/arch/arm/cpu/armv7/am33xx/clock.c
>>>> b/arch/arm/cpu/armv7/am33xx/clock.c index 2b19506..4eb9226
>>>> 100644 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++
>>>> b/arch/arm/cpu/armv7/am33xx/clock.c @@ -114,6 +114,34 @@
>>>> static void enable_per_clocks(void)
>>>>
>>>> while (readl(&cmwkup->wkup_uart0ctrl) != PRCM_MOD_EN) ;
>>>>
>>>> + /* UART1 */ +#ifdef CONFIG_SERIAL2 + writel(PRCM_MOD_EN,
>>>> &cmper->uart1clkctrl); + while (readl(&cmper->uart1clkctrl)
>>>> != PRCM_MOD_EN) + ;
>>>
>>> Call WATCHDOG_RESET() here, fix glboally
>>
>> We don't have WATCHDOG_RESET...
>
> You do, and it opts-out to udelay(1) is most cases.
It looks like it opts-out to {} in most cases, in <watchdog.h>
- --
Tom
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