[src/trunk]: src/sys/arch/arm/cortex Fix LPI pending table size, use correct ...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/575d08a9a14d
branches:  trunk
changeset: 446098:575d08a9a14d
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Fri Nov 23 11:49:04 2018 +0000

description:
Fix LPI pending table size, use correct LPI conf offset in gicv3_lpi_block_irqs, and set bit[7]=1 for G1NS interrupts when writing to the LPI configuration table.

diffstat:

 sys/arch/arm/cortex/gicv3.c |  13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diffs (54 lines):

diff -r ef4bd23f78d0 -r 575d08a9a14d sys/arch/arm/cortex/gicv3.c
--- a/sys/arch/arm/cortex/gicv3.c       Fri Nov 23 11:48:12 2018 +0000
+++ b/sys/arch/arm/cortex/gicv3.c       Fri Nov 23 11:49:04 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: gicv3.c,v 1.12 2018/11/21 11:44:26 jmcneill Exp $ */
+/* $NetBSD: gicv3.c,v 1.13 2018/11/23 11:49:04 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -31,7 +31,7 @@
 #define        _INTR_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gicv3.c,v 1.12 2018/11/21 11:44:26 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gicv3.c,v 1.13 2018/11/23 11:49:04 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -530,15 +530,14 @@
 gicv3_lpi_block_irqs(struct pic_softc *pic, size_t irqbase, uint32_t mask)
 {
        struct gicv3_softc * const sc = LPITOSOFTC(pic);
-       const u_int off = irqbase - pic->pic_irqbase;
        int bit;
 
        while ((bit = ffs(mask)) != 0) {
-               sc->sc_lpiconf.base[off + bit - 1] &= ~GIC_LPICONF_Enable;
+               sc->sc_lpiconf.base[irqbase + bit - 1] &= ~GIC_LPICONF_Enable;
                mask &= ~__BIT(bit - 1);
        }
 
-       bus_dmamap_sync(sc->sc_dmat, sc->sc_lpiconf.map, off, 32, BUS_DMASYNC_PREWRITE);
+       bus_dmamap_sync(sc->sc_dmat, sc->sc_lpiconf.map, irqbase, 32, BUS_DMASYNC_PREWRITE);
 }
 
 static void
@@ -546,7 +545,7 @@
 {
        struct gicv3_softc * const sc = LPITOSOFTC(pic);
 
-       sc->sc_lpiconf.base[is->is_irq] = IPL_TO_PRIORITY(is->is_ipl) | GIC_LPICONF_Res1;
+       sc->sc_lpiconf.base[is->is_irq] = 0x80 | IPL_TO_PRIORITY(is->is_ipl) | GIC_LPICONF_Res1;
 
        bus_dmamap_sync(sc->sc_dmat, sc->sc_lpiconf.map, is->is_irq, 1, BUS_DMASYNC_PREWRITE);
 }
@@ -671,7 +670,7 @@
        /*
         * Allocate LPI pending tables
         */
-       const bus_size_t lpipend_sz = (sc->sc_lpi.pic_maxsources + sc->sc_lpi.pic_irqbase) / NBBY;
+       const bus_size_t lpipend_sz = sc->sc_lpi.pic_maxsources / NBBY;
        for (int cpuindex = 0; cpuindex < ncpu; cpuindex++) {
                gicv3_dma_alloc(sc, &sc->sc_lpipend[cpuindex], lpipend_sz, 0x10000);
                KASSERT((sc->sc_lpipend[cpuindex].segs[0].ds_addr & ~GICR_PENDBASER_Physical_Address) == 0);