Re: [PATCH v3 2/4] xlnx-zynqmp: Connect Xilinx ZynqMP CAN controller

["Edgar E. Iglesias" <edgar.iglesias@gmail.com>]

On Wed, Apr 22, 2020 at 05:56:07PM -0700, Vikram Garhwal wrote:
> Connect CAN0 and CAN1 to ZCU102 board.

Comments inline.



> 
> Signed-off-by: Vikram Garhwal <fnu.vikram@xilinx.com>
> ---
>  hw/arm/xlnx-zynqmp.c         | 26 ++++++++++++++++++++++++++
>  include/hw/arm/xlnx-zynqmp.h |  3 +++
>  2 files changed, 29 insertions(+)
> 
> diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
> index b84d153..e5f0d9f 100644
> --- a/hw/arm/xlnx-zynqmp.c
> +++ b/hw/arm/xlnx-zynqmp.c
> @@ -81,6 +81,14 @@ static const int uart_intr[XLNX_ZYNQMP_NUM_UARTS] = {
>      21, 22,
>  };
>  
> +static const uint64_t can_addr[XLNX_ZYNQMP_NUM_CAN] = {
> +    0xFF060000, 0xFF070000,
> +};
> +
> +static const int can_intr[XLNX_ZYNQMP_NUM_CAN] = {
> +    23, 24,
> +};
> +
>  static const uint64_t sdhci_addr[XLNX_ZYNQMP_NUM_SDHCI] = {
>      0xFF160000, 0xFF170000,
>  };
> @@ -254,6 +262,11 @@ static void xlnx_zynqmp_init(Object *obj)
>                                TYPE_CADENCE_UART);
>      }
>  
> +    for (i = 0; i < XLNX_ZYNQMP_NUM_CAN; i++) {
> +        sysbus_init_child_obj(obj, "can[*]", &s->can[i], sizeof(s->can[i]),
> +                              TYPE_XLNX_ZYNQMP_CAN);
> +    }
> +
>      sysbus_init_child_obj(obj, "sata", &s->sata, sizeof(s->sata),
>                            TYPE_SYSBUS_AHCI);
>  
> @@ -508,6 +521,19 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
>                             gic_spi[uart_intr[i]]);
>      }
>  
> +    for (i = 0; i < XLNX_ZYNQMP_NUM_CAN; i++) {
> +        object_property_set_int(OBJECT(&s->can[i]), i, "ctrl-idx",
> +                                &error_abort);
> +        object_property_set_bool(OBJECT(&s->can[i]), true, "realized", &err);
> +        if (err) {
> +            error_propagate(errp, err);
> +            return;
> +        }
> +        sysbus_mmio_map(SYS_BUS_DEVICE(&s->can[i]), 0, can_addr[i]);
> +        sysbus_connect_irq(SYS_BUS_DEVICE(&s->can[i]), 0,
> +                           gic_spi[can_intr[i]]);
> +    }
> +
>      object_property_set_int(OBJECT(&s->sata), SATA_NUM_PORTS, "num-ports",
>                              &error_abort);
>      object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
> diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h
> index 53076fa..2be0ff9 100644
> --- a/include/hw/arm/xlnx-zynqmp.h
> +++ b/include/hw/arm/xlnx-zynqmp.h
> @@ -22,6 +22,7 @@
>  #include "hw/intc/arm_gic.h"
>  #include "hw/net/cadence_gem.h"
>  #include "hw/char/cadence_uart.h"
> +#include "hw/net/xlnx-zynqmp-can.h"
>  #include "hw/ide/ahci.h"
>  #include "hw/sd/sdhci.h"
>  #include "hw/ssi/xilinx_spips.h"
> @@ -41,6 +42,7 @@
>  #define XLNX_ZYNQMP_NUM_RPU_CPUS 2
>  #define XLNX_ZYNQMP_NUM_GEMS 4
>  #define XLNX_ZYNQMP_NUM_UARTS 2
> +#define XLNX_ZYNQMP_NUM_CAN 2
>  #define XLNX_ZYNQMP_NUM_SDHCI 2
>  #define XLNX_ZYNQMP_NUM_SPIS 2
>  #define XLNX_ZYNQMP_NUM_GDMA_CH 8
> @@ -92,6 +94,7 @@ typedef struct XlnxZynqMPState {
>  
>      CadenceGEMState gem[XLNX_ZYNQMP_NUM_GEMS];
>      CadenceUARTState uart[XLNX_ZYNQMP_NUM_UARTS];
> +    XlnxZynqMPCANState    can[XLNX_ZYNQMP_NUM_CAN];

All those spaces between type and array look odd here.

Without those spaces:
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>




>      SysbusAHCIState sata;
>      SDHCIState sdhci[XLNX_ZYNQMP_NUM_SDHCI];
>      XilinxSPIPS spi[XLNX_ZYNQMP_NUM_SPIS];
> -- 
> 2.7.4
>