Re: [PATCH v3] powerpc: add ioremap_early() for mapping IO regions before MMU_init()

2009-06-16 Thread Grant Likely
On Mon, Jun 15, 2009 at 12:57 AM, Benjamin Herrenschmidtb...@kernel.crashing.org wrote: On Wed, 2009-05-27 at 12:55 -0600, Grant Likely wrote: From: Grant Likely grant.lik...@secretlab.ca ioremap_early() is useful for things like mapping SoC internally registers and early debug output because

Re: [PATCH v3] powerpc: add ioremap_early() for mapping IO regions before MMU_init()

2009-06-15 Thread Benjamin Herrenschmidt
On Wed, 2009-05-27 at 12:55 -0600, Grant Likely wrote: From: Grant Likely grant.lik...@secretlab.ca ioremap_early() is useful for things like mapping SoC internally registers and early debug output because it allows mappings to devices to be setup early in the boot process where they are

[PATCH v3] powerpc: add ioremap_early() for mapping IO regions before MMU_init()

2009-05-27 Thread Grant Likely
From: Grant Likely grant.lik...@secretlab.ca ioremap_early() is useful for things like mapping SoC internally registers and early debug output because it allows mappings to devices to be setup early in the boot process where they are needed. It also give a performance boost since BAT mapped