Date: Sat, 30 Apr 2011 12:07:15 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r221257 - head/sys/mips/atheros Message-ID: <201104301207.p3UC7FEr045045@svn.freebsd.org>
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Author: adrian Date: Sat Apr 30 12:07:15 2011 New Revision: 221257 URL: http://svn.freebsd.org/changeset/base/221257 Log: The AR724x SoC's require the irq status line to be acked/cleared. This allows console IO to occur correctly once the kernel is in multi-user mode. Submitted by: Luiz Otavio O Souza Modified: head/sys/mips/atheros/apb.c Modified: head/sys/mips/atheros/apb.c ============================================================================== --- head/sys/mips/atheros/apb.c Sat Apr 30 11:56:04 2011 (r221256) +++ head/sys/mips/atheros/apb.c Sat Apr 30 12:07:15 2011 (r221257) @@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$"); #include <mips/atheros/apbvar.h> #include <mips/atheros/ar71xxreg.h> +#include <mips/atheros/ar71xx_setup.h> #undef APB_DEBUG #ifdef APB_DEBUG @@ -337,6 +338,20 @@ apb_intr(void *arg) reg = ATH_READ_REG(AR71XX_MISC_INTR_STATUS); for (irq = 0; irq < APB_NIRQS; irq++) { if (reg & (1 << irq)) { + + switch (ar71xx_soc) { + case AR71XX_SOC_AR7240: + case AR71XX_SOC_AR7241: + case AR71XX_SOC_AR7242: + /* Ack/clear the irq on status register for AR724x */ + ATH_WRITE_REG(AR71XX_MISC_INTR_STATUS, + reg & ~(1 << irq)); + break; + default: + /* fallthrough */ + break; + } + event = sc->sc_eventstab[irq]; if (!event || TAILQ_EMPTY(&event->ie_handlers)) { /* Ignore timer interrupts */
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