Re: [U-Boot] [PATCH 3/3] mpc83xx: turn on icache in core initialization to improve u-boot boot time

Timur Tabi wrote:

On Thu, Apr 15, 2010 at 5:36 PM, Kim Phillips kim.phillips@freescale.com wrote:

...

#define CONFIG_SYS_HID0_FINAL (HID0_ENABLE_MACHINE_CHECK | \

•                    HID0_ENABLE_DYNAMIC_POWER_MANAGMENT)
  

•                            HID0_ENABLE_INSTRUCTION_CACHE | \
  

•                            HID0_ENABLE_DYNAMIC_POWER_MANAGMENT)
  

What was so special about the 8349ITX that icache() didn't work? You're changing the HDI0 values for all of the 83xx boards, but AFAIK, only the ITX had this problem.

All 83xx boards had the performance problem of not enabling icache until after relocation.

-Scott