Re: [Qemu-devel] [PATCH v5 9/9] hw/arm/xilinx_zynq: connect uart clocks to slcr

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 10/2/18 4:24 PM, Damien Hedde wrote:
> Add the connection between the slcr's output clocks and the uarts inputs.
> 
> Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
> ---
>  hw/arm/xilinx_zynq.c | 17 +++++++++++------
>  1 file changed, 11 insertions(+), 6 deletions(-)
> 
> diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
> index f1496d2927..88f61c6a18 100644
> --- a/hw/arm/xilinx_zynq.c
> +++ b/hw/arm/xilinx_zynq.c
> @@ -166,7 +166,7 @@ static void zynq_init(MachineState *machine)
>      MemoryRegion *address_space_mem = get_system_memory();
>      MemoryRegion *ext_ram = g_new(MemoryRegion, 1);
>      MemoryRegion *ocm_ram = g_new(MemoryRegion, 1);
> -    DeviceState *dev;
> +    DeviceState *dev, *slcr;
>      SysBusDevice *busdev;
>      qemu_irq pic[64];
>      int n;
> @@ -212,9 +212,10 @@ static void zynq_init(MachineState *machine)
>                            1, 0x0066, 0x0022, 0x0000, 0x0000, 0x0555, 0x2aa,
>                                0);
>  
> -    dev = qdev_create(NULL, "xilinx,zynq_slcr");
> -    qdev_init_nofail(dev);
> -    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xF8000000);
> +    /* Create slcr, keep a pointer to connect clocks */
> +    slcr = qdev_create(NULL, "xilinx,zynq_slcr");
> +    qdev_init_nofail(slcr);
> +    sysbus_mmio_map(SYS_BUS_DEVICE(slcr), 0, 0xF8000000);
>  
>      dev = qdev_create(NULL, TYPE_A9MPCORE_PRIV);
>      qdev_prop_set_uint32(dev, "num-cpu", 1);
> @@ -235,8 +236,12 @@ static void zynq_init(MachineState *machine)
>      sysbus_create_simple("xlnx,ps7-usb", 0xE0002000, pic[53-IRQ_OFFSET]);
>      sysbus_create_simple("xlnx,ps7-usb", 0xE0003000, pic[76-IRQ_OFFSET]);
>  
> -    cadence_uart_create(0xE0000000, pic[59 - IRQ_OFFSET], serial_hd(0));
> -    cadence_uart_create(0xE0001000, pic[82 - IRQ_OFFSET], serial_hd(1));
> +    dev = cadence_uart_create(0xE0000000, pic[59 - IRQ_OFFSET], serial_hd(0));
> +    qdev_connect_clock(dev, "busclk", slcr, "uart0_amba_clk", &error_abort);
> +    qdev_connect_clock(dev, "refclk", slcr, "uart0_ref_clk", &error_abort);
> +    dev = cadence_uart_create(0xE0001000, pic[82 - IRQ_OFFSET], serial_hd(1));
> +    qdev_connect_clock(dev, "busclk", slcr, "uart1_amba_clk", &error_abort);
> +    qdev_connect_clock(dev, "refclk", slcr, "uart1_ref_clk", &error_abort);
>  
>      sysbus_create_varargs("cadence_ttc", 0xF8001000,
>              pic[42-IRQ_OFFSET], pic[43-IRQ_OFFSET], pic[44-IRQ_OFFSET], NULL);
> 

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>