[PATCH] power: zynqmp: Use zynqmp_pmufw_node() from firmware

Michal Simek monstr at monstr.eu
Mon Mar 7 09:01:45 CET 2022


út 1. 3. 2022 v 9:11 odesílatel Michal Simek <michal.simek at xilinx.com> napsal:
>
> Remove private xpm_configobject[] and use zynqmp_pmufw_node() which
> provides the same functionality.
> Also add debug messages for easier debugging.
>
> Fixes: e0283cbdfd49 ("power: zynqmp: Add power domain driver for ZynqMP")
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
>  drivers/power/domain/zynqmp-power-domain.c | 29 ++++------------------
>  1 file changed, 5 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/power/domain/zynqmp-power-domain.c b/drivers/power/domain/zynqmp-power-domain.c
> index 5383d0989698..6943658be429 100644
> --- a/drivers/power/domain/zynqmp-power-domain.c
> +++ b/drivers/power/domain/zynqmp-power-domain.c
> @@ -5,6 +5,7 @@
>
>  #include <common.h>
>  #include <dm.h>
> +#include <dm/device_compat.h>
>  #include <log.h>
>  #include <malloc.h>
>  #include <misc.h>
> @@ -13,25 +14,6 @@
>
>  #include <zynqmp_firmware.h>
>
> -#define NODE_ID_LOCATION       5
> -
> -static unsigned int xpm_configobject[] = {
> -       /* HEADER */
> -       2,      /* Number of remaining words in the header */
> -       1,      /* Number of sections included in config object */
> -       PM_CONFIG_OBJECT_TYPE_OVERLAY,  /* Type of Config object as overlay */
> -       /* SLAVE SECTION */
> -
> -       PM_CONFIG_SLAVE_SECTION_ID,     /* Section ID */
> -       1,                              /* Number of slaves */
> -
> -       0, /* Node ID which will be changed below */
> -       PM_SLAVE_FLAG_IS_SHAREABLE,
> -       PM_CONFIG_IPI_PSU_CORTEXA53_0_MASK |
> -       PM_CONFIG_IPI_PSU_CORTEXR5_0_MASK |
> -       PM_CONFIG_IPI_PSU_CORTEXR5_1_MASK, /* IPI Mask */
> -};
> -
>  static int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
>                                   const u32 qos, const enum zynqmp_pm_request_ack ack)
>  {
> @@ -41,12 +23,9 @@ static int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
>
>  static int zynqmp_power_domain_request(struct power_domain *power_domain)
>  {
> -       /* Record power domain id */
> -       xpm_configobject[NODE_ID_LOCATION] = power_domain->id;
> -
> -       zynqmp_pmufw_load_config_object(xpm_configobject, sizeof(xpm_configobject));
> +       dev_dbg(power_domain->dev, "Request for id: %ld\n", power_domain->id);
>
> -       return 0;
> +       return zynqmp_pmufw_node(power_domain->id);
>  }
>
>  static int zynqmp_power_domain_free(struct power_domain *power_domain)
> @@ -57,6 +36,8 @@ static int zynqmp_power_domain_free(struct power_domain *power_domain)
>
>  static int zynqmp_power_domain_on(struct power_domain *power_domain)
>  {
> +       dev_dbg(power_domain->dev, "Domain ON for id: %ld\n", power_domain->id);
> +
>         return zynqmp_pm_request_node(power_domain->id,
>                                       ZYNQMP_PM_CAPABILITY_ACCESS,
>                                       ZYNQMP_PM_MAX_QOS,
> --
> 2.35.1
>

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs


More information about the U-Boot mailing list