From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42113) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cvkHN-0000R1-G3 for qemu-devel@nongnu.org; Wed, 05 Apr 2017 08:43:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cvkHJ-0001Oa-KH for qemu-devel@nongnu.org; Wed, 05 Apr 2017 08:43:17 -0400 Received: from 8.mo177.mail-out.ovh.net ([46.105.61.98]:46974) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cvkHJ-0001OF-Ec for qemu-devel@nongnu.org; Wed, 05 Apr 2017 08:43:13 -0400 Received: from player688.ha.ovh.net (b6.ovh.net [213.186.33.56]) by mo177.mail-out.ovh.net (Postfix) with ESMTP id 65EC1478E7 for ; Wed, 5 Apr 2017 14:43:12 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Wed, 5 Apr 2017 14:41:36 +0200 Message-Id: <1491396106-26376-12-git-send-email-clg@kaod.org> In-Reply-To: <1491396106-26376-1-git-send-email-clg@kaod.org> References: <1491396106-26376-1-git-send-email-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH 11/21] ppc/pnv: scan ISA bus to populate device tree List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: David Gibson Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= This is an empty shell that we will use to include nodes in the device tree for ISA devices. We expect RTC, UART and IPMI BT devices. Signed-off-by: C=C3=A9dric Le Goater --- hw/ppc/pnv.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 493c7eed7980..a3c8f6594d10 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -281,6 +281,36 @@ static void powernv_populate_chip(PnvChip *chip, voi= d *fdt) g_free(typename); } =20 +typedef struct ForeachPopulateArgs { + void *fdt; + int offset; +} ForeachPopulateArgs; + +static int powernv_populate_isa_device(DeviceState *dev, void *opaque) +{ + return 0; +} + +static void powernv_populate_isa(ISABus *bus, void *fdt) +{ + int lpc_offset; + ForeachPopulateArgs args; + + lpc_offset =3D fdt_node_offset_by_compatible(fdt, -1, "ibm,lpc"); + if (lpc_offset < 0) { + error_report("Could find the lpc node !?"); + return; + } + + args.fdt =3D fdt; + args.offset =3D lpc_offset; + + /* ISA devices are not necessarily parented to the ISA bus so we + * can not use object_child_foreach() */ + qbus_walk_children(BUS(bus), powernv_populate_isa_device, + NULL, NULL, NULL, &args); +} + static void *powernv_create_fdt(MachineState *machine) { const char plat_compat[] =3D "qemu,powernv\0ibm,powernv"; @@ -328,6 +358,8 @@ static void *powernv_create_fdt(MachineState *machine= ) for (i =3D 0; i < pnv->num_chips; i++) { powernv_populate_chip(pnv->chips[i], fdt); } + + powernv_populate_isa(pnv->isa_bus, fdt); return fdt; } =20 --=20 2.7.4