Date: Fri, 31 Jan 2014 23:28:18 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r261337 - head/sys/arm/at91 Message-ID: <201401312328.s0VNSIwL057775@svn.freebsd.org>
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Author: imp Date: Fri Jan 31 23:28:18 2014 New Revision: 261337 URL: http://svnweb.freebsd.org/changeset/base/261337 Log: Minor cleanup of comments. Modified: head/sys/arm/at91/at91_machdep.c Modified: head/sys/arm/at91/at91_machdep.c ============================================================================== --- head/sys/arm/at91/at91_machdep.c Fri Jan 31 23:18:30 2014 (r261336) +++ head/sys/arm/at91/at91_machdep.c Fri Jan 31 23:28:18 2014 (r261337) @@ -131,15 +131,12 @@ struct pv_addr kernelstack; /* Static device mappings. */ const struct arm_devmap_entry at91_devmap[] = { /* - * Map the on-board devices VA == PA so that we can access them - * with the MMU on or off. + * Map the critical on-board devices. The interrupt vector at + * 0xffff0000 makes it impossible to map them PA == VA, so we map all + * 0xfffxxxxx addresses to 0xdffxxxxx. This covers all critical devices + * on all members of the AT91SAM9 and AT91RM9200 families. */ { - /* - * This at least maps the interrupt controller, the UART - * and the timer. Other devices should use newbus to - * map their memory anyway. - */ 0xdff00000, 0xfff00000, 0x00100000,
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