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firmware: zynqmp: Add support to check feature

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Add firmware API to check if given feature is supported.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com>
Link: https://lore.kernel.org/r/20230811054829.13162-2-ashok.reddy.soma@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Ashok Reddy Soma 2023-08-10 23:48:27 -06:00 committed by Michal Simek
parent fa12dfa08a
commit f16347f41c
2 changed files with 16 additions and 0 deletions
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13
drivers/firmware/firmware-zynqmp.c
View file

@ -195,6 +195,19 @@ int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value)
return ret;
}
int zynqmp_pm_feature(const u32 api_id)
{
int ret;
u32 ret_payload[PAYLOAD_ARG_CNT];
/* Check feature check API version */
ret = xilinx_pm_request(PM_FEATURE_CHECK, api_id, 0, 0, 0,
ret_payload);
/* Return feature check version */
return ret_payload[1] & FIRMWARE_VERSION_MASK;
}
int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id)
{
int ret;

3
include/zynqmp_firmware.h
View file

@ -456,6 +456,7 @@ int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config,
int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id);
int zynqmp_mmio_read(const u32 address, u32 *value);
int zynqmp_mmio_write(const u32 address, const u32 mask, const u32 value);
int zynqmp_pm_feature(const u32 api_id);
/* Type of Config Object */
#define PM_CONFIG_OBJECT_TYPE_BASE 0x1U
@ -492,6 +493,8 @@ enum zynqmp_pm_request_ack {
/* PM API versions */
#define PM_API_VERSION_2 2
#define PM_PINCTRL_PARAM_SET_VERSION 2
struct zynqmp_ipi_msg {
size_t len;
u32 *buf;