Dear Peter Tyser,
In message <1247269570-11406-1-git-send-email-pty...@xes-inc.com> you wrote:
> Previously, non-e500 architectures only unlocked their data cache which
> was used as early RAM when booting to Linux using the "bootm" command.
> This change causes all PPC boards with CONFIG_SYS_INIT_RAM_LOCK defined
> to unlock their data cache during U-Boot's initialization. This
> improves U-Boot performance and provides a common cache state when
> booting to different OSes.
>
> Signed-off-by: Peter Tyser <pty...@xes-inc.com>
> ---
> I've tested this on 86xx boards, it'd be great if someone could test on
> 83xx and 74xx/7xx. 85xx boards should not be affected by this change.
>
> This change assumes
> http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/63423
> has already been applied, or the lib/ppc patches in the diffs below can
> be changed to lib_ppc.
>
> Peter
>
> lib/ppc/board.c | 6 +++---
> lib/ppc/bootm.c | 9 ---------
> 2 files changed, 3 insertions(+), 12 deletions(-)
Applied.
Hm... tested on TQM834x - it's still booting, but flash recognition
stopped working:
OLD:
U-Boot 2008.10-00085-g13f9496-dirty (Oct 22 2008 - 00:28:08) MPC83XX
Reset Status:
CPU: e300c1, MPC8349E, Rev: 1.1 at 533.328 MHz, CSB: 266.664 MHz
Board: TQM834x
PCI1: 32 bit, 33 MHz
I2C: ready
DTT: 1 is 32 C
DRAM: 256 MB
FLASH: 32 MB
PCI: Bus Dev VenId DevId Class Int
00 0b 104c ac55 0607 ff
00 0b 104c ac55 0607 ff
...
NEW:
U-Boot 2009.06-00513-g982adfc (Jul 23 2009 - 20:46:38) MPC83XX
Reset Status: Software Hard, External/Internal Soft, External/Internal
Hard
CPU: e300c1, MPC8349E, Rev: 1.1 at 533.328 MHz, CSB: 266.664 MHz
Board: TQM834x
PCI1: 32 bit, 33 MHz
I2C: ready
DRAM: 256 MB
FLASH: ## Unknown FLASH on Bank 1 - Size = 0x02000000 = 0 MB
32 MB
PCI: Bus Dev VenId DevId Class Int
00 0b 104c ac55 0607 ff
00 0b 104c ac55 0607 ff
=> fli
Bank # 1: missing or unknown FLASH type
Probably because of caching?
I can't do anything right now as I cannot reprogram the flash any
more. Need to attach a BDI when I'm bck in the office tomorrow
morning.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
"The one charm of marriage is that it makes a life of deception a
neccessity." - Oscar Wilde
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