Re: [U-Boot] [PATCH 2/2] Blackfin: workaround anomaly 05000440

Hello.

On 15-10-2010 04:23, Mike Frysinger wrote:

We cannot rely on the syscontrol rom func to program PLL_DIV with anomaly 05000440 is in effect, so manually program the MMR when necessary.

Signed-off-by: Mike Frysingervapier@gentoo.org

[...]

diff --git a/arch/blackfin/cpu/initcode.c b/arch/blackfin/cpu/initcode.c index 007f5ce..433d477 100644 --- a/arch/blackfin/cpu/initcode.c +++ b/arch/blackfin/cpu/initcode.c @@ -391,7 +391,9 @@ program_clocks(ADI_BOOT_DATA *bs, bool put_into_srfs)

/* Always programming PLL_LOCKCNT avoids Anomaly 05000430 */
ADI_SYSCTRL_VALUES memory_settings;

• uint32_t actions = SYSCTRL_WRITE | SYSCTRL_PLLCTL | SYSCTRL_PLLDIV | SYSCTRL_LOCKCNT;
  

• uint32_t actions = SYSCTRL_WRITE | SYSCTRL_PLLCTL | SYSCTRL_LOCKCNT;
  

An empty line is needed here...

• if (!ANOMALY_05000440)
  

• 	actions |= SYSCTRL_PLLDIV;
  

  if (CONFIG_HAS_VR) { actions |= SYSCTRL_VRCTL; if (CONFIG_VR_CTL_VAL& FREQ_MASK)

WBR, Sergei