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Re: [Qemu-ppc] [PATCH 13/21] ppc/pnv: populate device tree for serial de
From: |
David Gibson |
Subject: |
Re: [Qemu-ppc] [PATCH 13/21] ppc/pnv: populate device tree for serial devices |
Date: |
Mon, 10 Apr 2017 15:19:55 +1000 |
User-agent: |
Mutt/1.8.0 (2017-02-23) |
On Wed, Apr 05, 2017 at 02:41:38PM +0200, Cédric Le Goater wrote:
> Signed-off-by: Cédric Le Goater <address@hidden>
Reviewed-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 2f9c41e350d4..00e594a0cbe3 100644
> --- a/hw/ppc/pnv.c
> +++ b/hw/ppc/pnv.c
> @@ -301,6 +301,37 @@ 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;
> @@ -313,6 +344,8 @@ 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);
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- Re: [Qemu-ppc] [PATCH 10/21] ipmi: add SET_SENSOR_READING command, (continued)
- [Qemu-ppc] [PATCH 11/21] ppc/pnv: scan ISA bus to populate device tree, Cédric Le Goater, 2017/04/05
- [Qemu-ppc] [PATCH 12/21] ppc/pnv: populate device tree for RTC devices, Cédric Le Goater, 2017/04/05
- [Qemu-ppc] [PATCH 13/21] ppc/pnv: populate device tree for serial devices, Cédric Le Goater, 2017/04/05
- Re: [Qemu-ppc] [PATCH 13/21] ppc/pnv: populate device tree for serial devices,
David Gibson <=
- [Qemu-ppc] [PATCH 14/21] ppc/pnv: populate device tree for IPMI BT devices, Cédric Le Goater, 2017/04/05
- [Qemu-ppc] [PATCH 15/21] ppc/pnv: add initial IPMI sensors for the BMC simulator, Cédric Le Goater, 2017/04/05
- [Qemu-ppc] [PATCH 16/21] ppc/pnv: generate an OEM SEL event on shutdown, Cédric Le Goater, 2017/04/05
- [Qemu-ppc] [PATCH 17/21] qdev: Add a hook for a bus to device if it can add devices, Cédric Le Goater, 2017/04/05
- [Qemu-ppc] [PATCH 18/21] pci: Use the new pci_can_add_device() to enforce devfn_min/max, Cédric Le Goater, 2017/04/05