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author | adrian <adrian@FreeBSD.org> | 2011-04-30 12:07:15 +0000 |
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committer | adrian <adrian@FreeBSD.org> | 2011-04-30 12:07:15 +0000 |
commit | 6ab4da9340c3ae6f29e1949c8b8b83e0b16fba78 (patch) | |
tree | d799af59d217b16662bd9adfcb9a1927480b9b3c /sys | |
parent | d8b9be857cca2184a1a4ff457ee2523bcface1d0 (diff) | |
download | FreeBSD-src-6ab4da9340c3ae6f29e1949c8b8b83e0b16fba78.zip FreeBSD-src-6ab4da9340c3ae6f29e1949c8b8b83e0b16fba78.tar.gz |
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
Diffstat (limited to 'sys')
-rw-r--r-- | sys/mips/atheros/apb.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/mips/atheros/apb.c b/sys/mips/atheros/apb.c index c004741..42c0157 100644 --- a/sys/mips/atheros/apb.c +++ b/sys/mips/atheros/apb.c @@ -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 */ |