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[Qemu-ppc] [PULL 40/48] ppc/pnv: populate device tree for serial devices
From: |
David Gibson |
Subject: |
[Qemu-ppc] [PULL 40/48] ppc/pnv: populate device tree for serial devices |
Date: |
Wed, 26 Apr 2017 17:00:26 +1000 |
From: Cédric Le Goater <address@hidden>
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 | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 8ab5bb1..dfa21e4 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -323,6 +323,37 @@ static void powernv_populate_rtc(ISADevice *d, void *fdt,
int lpc_off)
_FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00")));
}
+static void powernv_populate_serial(ISADevice *d, void *fdt, int lpc_off)
+{
+ const char compatible[] = "ns16550\0pnpPNP,501";
+ uint32_t io_base = d->ioport_id;
+ uint32_t io_regs[] = {
+ cpu_to_be32(1),
+ cpu_to_be32(io_base),
+ cpu_to_be32(8)
+ };
+ char *name;
+ int node;
+
+ name = g_strdup_printf("address@hidden", qdev_fw_name(DEVICE(d)), io_base);
+ node = fdt_add_subnode(fdt, lpc_off, name);
+ _FDT(node);
+ g_free(name);
+
+ _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
+ _FDT((fdt_setprop(fdt, node, "compatible", compatible,
+ sizeof(compatible))));
+
+ _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200)));
+ _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200)));
+ _FDT((fdt_setprop_cell(fdt, node, "interrupts", d->isairq[0])));
+ _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
+ fdt_get_phandle(fdt, lpc_off))));
+
+ /* This is needed by Linux */
+ _FDT((fdt_setprop_string(fdt, node, "device_type", "serial")));
+}
+
typedef struct ForeachPopulateArgs {
void *fdt;
int offset;
@@ -335,6 +366,8 @@ static int powernv_populate_isa_device(DeviceState *dev,
void *opaque)
if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) {
powernv_populate_rtc(d, args->fdt, args->offset);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) {
+ powernv_populate_serial(d, args->fdt, args->offset);
} else {
error_report("unknown isa device address@hidden", qdev_fw_name(dev),
d->ioport_id);
--
2.9.3
- [Qemu-ppc] [PULL 11/48] spapr: Enable ISA 3.0 MMU mode selection via CAS, (continued)
- [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, 2017/04/26
- [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 <=
- [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
- [Qemu-ppc] [PULL 09/48] target/ppc: Implement H_REGISTER_PROCESS_TABLE H_CALL, David Gibson, 2017/04/26
- [Qemu-ppc] [PULL 29/48] ppc: add IPMI support, David Gibson, 2017/04/26