[src/trunk]: src/sys/arch/arm/allwinner soft reset A31 codec at attach time

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

details:   https://anonhg.NetBSD.org/src/rev/e03bf0b4d83a
branches:  trunk
changeset: 332956:e03bf0b4d83a
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Oct 12 17:25:35 2014 +0000

description:
soft reset A31 codec at attach time

diffstat:

 sys/arch/arm/allwinner/awin_ac.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r 8c4ff1f9c596 -r e03bf0b4d83a sys/arch/arm/allwinner/awin_ac.c
--- a/sys/arch/arm/allwinner/awin_ac.c  Sun Oct 12 17:20:58 2014 +0000
+++ b/sys/arch/arm/allwinner/awin_ac.c  Sun Oct 12 17:25:35 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: awin_ac.c,v 1.12 2014/09/06 23:04:10 jmcneill Exp $ */
+/* $NetBSD: awin_ac.c,v 1.13 2014/10/12 17:25:35 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2014 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -30,7 +30,7 @@
 #include "opt_ddb.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.12 2014/09/06 23:04:10 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.13 2014/10/12 17:25:35 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -354,6 +354,11 @@
        if (sc->sc_has_pactrl_gpio)
                awin_gpio_pindata_write(&sc->sc_pactrl_gpio, 0);
 
+       if (awin_chip_id() == AWIN_CHIP_ID_A31) {
+               awin_reg_set_clear(sc->sc_bst, aio->aio_ccm_bsh,
+                   AWIN_A31_APB1_RESET_REG, AWIN_A31_APB1_RESET_CODEC_RST, 0);
+       }
+
        awinac_init(sc);
 
        sc->sc_pdma = awin_dma_alloc(AWIN_DMA_TYPE_NDMA, awinac_pint, sc);