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[Qemu-ppc] [PULL 38/48] ppc/pnv: scan ISA bus to populate device tree
From: |
David Gibson |
Subject: |
[Qemu-ppc] [PULL 38/48] ppc/pnv: scan ISA bus to populate device tree |
Date: |
Wed, 26 Apr 2017 17:00:24 +1000 |
From: Cédric Le Goater <address@hidden>
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>
Signed-off-by: David Gibson <address@hidden>
---
hw/ppc/pnv.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 9468e99..c445906 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -303,6 +303,29 @@ 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 = {
+ .fdt = fdt,
+ .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";
@@ -311,6 +334,7 @@ static void *powernv_create_fdt(MachineState *machine)
char *buf;
int off;
int i;
+ int lpc_offset;
fdt = g_malloc0(FDT_MAX_SIZE);
_FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE)));
@@ -350,6 +374,10 @@ static void *powernv_create_fdt(MachineState *machine)
for (i = 0; i < pnv->num_chips; i++) {
powernv_populate_chip(pnv->chips[i], fdt);
}
+
+ /* Populate ISA devices on chip 0 */
+ lpc_offset = pnv_chip_lpc_offset(pnv->chips[0], fdt);
+ powernv_populate_isa(pnv->isa_bus, fdt, lpc_offset);
return fdt;
}
--
2.9.3
- [Qemu-ppc] [PULL 02/48] pseries: Add pseries-2.10 machine type, (continued)
- [Qemu-ppc] [PULL 02/48] pseries: Add pseries-2.10 machine type, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 08/48] target/ppc: Add new H-CALL shells for in memory table translation, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 11/48] spapr: Enable ISA 3.0 MMU mode selection via CAS, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 20/48] ppc/xics: add a realize() handler to ICPStateClass, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 21/48] ppc/pnv: add a PnvICPState object, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 24/48] ppc/pnv: create the ICP object under PnvCore, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 06/48] spapr: Add ibm, processor-radix-AP-encodings to the device tree, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 12/48] spapr: Workaround for broken radix guests, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 17/48] ppc/xics: introduce an 'intc' backlink under PowerPCCPU, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 37/48] ppc/pnv: enable only one LPC bus, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 38/48] ppc/pnv: scan ISA bus to populate device tree,
David Gibson <=
- [Qemu-ppc] [PULL 23/48] ppc/pnv: extend the machine with a InterruptStatsProvider interface, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 40/48] ppc/pnv: populate device tree for serial devices, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 28/48] ppc/pnv: Add OCC model stub with interrupt support, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 45/48] target/ppc: Flush TLB on write to PIDR, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 07/48] target-ppc: support KVM_CAP_PPC_MMU_RADIX, KVM_CAP_PPC_MMU_HASH_V3, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 22/48] ppc/pnv: extend the machine with a XICSFabric interface, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 25/48] ppc/pnv: add a helper to calculate MMIO addresses registers, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 19/48] spapr: allocate the ICPState object from under sPAPRCPUCore, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 14/48] spapr_pci: Warn when RAM page size is not enabled in IOMMU page mask, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 16/48] target/ppc: Add ibm, processor-radix-AP-encodings for TCG, David Gibson, 2017/04/26