[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v2 3/8] ppc/pnv: scan ISA bus to populate device tre
From: |
Cédric Le Goater |
Subject: |
[Qemu-devel] [PATCH v2 3/8] ppc/pnv: scan ISA bus to populate device tree |
Date: |
Mon, 10 Apr 2017 15:56:53 +0200 |
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: Cédric Le Goater <address@hidden>
Reviewed-by: David Gibson <address@hidden>
---
hw/ppc/pnv.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 7d742b6e34e1..2d32b20f2d6e 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -281,6 +281,36 @@ static void powernv_populate_chip(PnvChip *chip, void *fdt)
g_free(typename);
}
+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 = fdt_node_offset_by_compatible(fdt, -1, "ibm,lpc");
+ if (lpc_offset < 0) {
+ error_report("Could not find the lpc node !?");
+ return;
+ }
+
+ args.fdt = fdt;
+ args.offset = 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[] = "qemu,powernv\0ibm,powernv";
@@ -328,6 +358,8 @@ static void *powernv_create_fdt(MachineState *machine)
for (i = 0; i < pnv->num_chips; i++) {
powernv_populate_chip(pnv->chips[i], fdt);
}
+
+ powernv_populate_isa(pnv->isa_bus, fdt);
return fdt;
}
--
2.7.4
- [Qemu-devel] [PATCH v2 0/8] pnv: improvement of LPC support and IPMI support, Cédric Le Goater, 2017/04/10
- [Qemu-devel] [PATCH v2 2/8] ppc/pnv: enable only one LPC bus, Cédric Le Goater, 2017/04/10
- [Qemu-devel] [PATCH v2 1/8] ppc/pnv: Add support for POWER8+ LPC Controller, Cédric Le Goater, 2017/04/10
- [Qemu-devel] [PATCH v2 3/8] ppc/pnv: scan ISA bus to populate device tree,
Cédric Le Goater <=
- [Qemu-devel] [PATCH v2 4/8] ppc/pnv: populate device tree for RTC devices, Cédric Le Goater, 2017/04/10
- [Qemu-devel] [PATCH v2 5/8] ppc/pnv: populate device tree for serial devices, Cédric Le Goater, 2017/04/10
- [Qemu-devel] [PATCH v2 6/8] ppc/pnv: populate device tree for IPMI BT devices, Cédric Le Goater, 2017/04/10
- [Qemu-devel] [PATCH v2 7/8] ppc/pnv: add initial IPMI sensors for the BMC simulator, Cédric Le Goater, 2017/04/10
- [Qemu-devel] [PATCH v2 8/8] ppc/pnv: generate an OEM SEL event on shutdown, Cédric Le Goater, 2017/04/10