From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/3] mpc83xx: turn on icache in core initialization to improve u-boot boot time
Date: Mon, 19 Apr 2010 15:41:00 -0500 [thread overview]
Message-ID: <4BCCBFDC.8050606@freescale.com> (raw)
In-Reply-To: <n2yed82fe3e1004191330o5992f18bkecfdbba8539138ec@mail.gmail.com>
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
next prev parent reply other threads:[~2010-04-19 20:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-15 22:36 [U-Boot] [PATCH 3/3] mpc83xx: turn on icache in core initialization to improve u-boot boot time Kim Phillips
2010-04-16 17:06 ` Michael Zaidman
2010-04-19 20:23 ` Kim Phillips
2010-04-19 20:19 ` Scott Wood
2010-04-19 22:34 ` Kim Phillips
2010-04-19 22:35 ` Scott Wood
2010-04-19 20:30 ` Timur Tabi
2010-04-19 20:41 ` Scott Wood [this message]
2010-04-19 21:05 ` Timur Tabi
2010-04-19 21:37 ` Kim Phillips
2010-04-20 1:39 ` Timur Tabi
2010-04-21 0:37 ` [U-Boot] [PATCH 3/3 v2] " Kim Phillips
2010-10-19 16:03 ` [U-Boot] ICACHE in core initialization to improve u-boot boot time: Breaks booting with i2c code while executing in flash Richard Retanubun
2010-10-20 19:50 ` Wolfgang Denk
2010-10-27 17:42 ` Richard Retanubun
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