From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Sun, 18 May 2008 22:38:02 +0200 Subject: [U-Boot-Users] [PATCH] PPC40x: Rework CFG_INIT_DCACHE_CS Block to Avoid Machine Checks In-Reply-To: Your message of "Fri, 16 May 2008 14:35:11 PDT." <1210973711-1855-1-git-send-email-gerickson@nuovations.com> Message-ID: <20080518203802.8A8642476E@gemini.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de In message <1210973711-1855-1-git-send-email-gerickson@nuovations.com> you wrote: > ... > cpu/ppc4xx/start.S: > Reworked code to handle the primordial stack and data area initialization when CFG_INIT_DCACHE_CS is asserted. ... > - * Boards like the Kilauea (405EX) don't have OCM and can't use > - * DCache for init-ram. So setup stack here directly after the > - * SDRAM is initialized. > + * For boards that don't have OCM and can't use the data cache > + * for their primordial stack, setup stack here directly after the > + * SDRAM is initialized in ext_bus_cntlr_init. Was there ever a useful explanation given why these boards should not be able to use DC as initial RAM? 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: wd at denx.de [Braddock:] Mr. Churchill, you are drunk. [Churchill:] And you madam, are ugly. But I shall be sober tomorrow.