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firmware: zynqmp: Add support for set sd config and is function supported

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Add firmware API's to set SD configuration and to check if a purticular
function is supported.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/f64fa2f73e4775e9ad2f4d91339d6c74b43116a3.1645626962.git.michal.simek@xilinx.com
This commit is contained in:
Ashok Reddy Soma 2022-02-23 15:36:03 +01:00 committed by Michal Simek
parent de5358a82c
commit 7d9ee46672
2 changed files with 57 additions and 0 deletions
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51
drivers/firmware/firmware-zynqmp.c
View File

@ -140,6 +140,57 @@ unsigned int zynqmp_firmware_version(void)
return pm_api_version;
};
int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value)
{
int ret;
ret = xilinx_pm_request(PM_IOCTL, node, IOCTL_SET_SD_CONFIG,
config, value, NULL);
if (ret)
printf("%s: node %d: set_sd_config %d failed\n",
__func__, node, config);
return ret;
}
int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id)
{
int ret;
u32 *bit_mask;
u32 ret_payload[PAYLOAD_ARG_CNT];
/* Input arguments validation */
if (id >= 64 || (api_id != PM_IOCTL && api_id != PM_QUERY_DATA))
return -EINVAL;
/* Check feature check API version */
ret = xilinx_pm_request(PM_FEATURE_CHECK, PM_FEATURE_CHECK, 0, 0, 0,
ret_payload);
if (ret)
return ret;
/* Check if feature check version 2 is supported or not */
if ((ret_payload[1] & FIRMWARE_VERSION_MASK) == PM_API_VERSION_2) {
/*
* Call feature check for IOCTL/QUERY API to get IOCTL ID or
* QUERY ID feature status.
*/
ret = xilinx_pm_request(PM_FEATURE_CHECK, api_id, 0, 0, 0,
ret_payload);
if (ret)
return ret;
bit_mask = &ret_payload[2];
if ((bit_mask[(id / 32)] & BIT((id % 32))) == 0)
return -EOPNOTSUPP;
} else {
return -ENODATA;
}
return 0;
}
/**
* Send a configuration object to the PMU firmware.
*

6
include/zynqmp_firmware.h
View File

@ -395,6 +395,8 @@ int zynqmp_pmufw_config_close(void);
void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size);
int xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2,
u32 arg3, u32 *ret_payload);
int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value);
int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id);
/* Type of Config Object */
#define PM_CONFIG_OBJECT_TYPE_BASE 0x1U
@ -426,5 +428,9 @@ enum zynqmp_pm_request_ack {
#define ZYNQMP_PM_CAPABILITY_UNUSABLE 0x8U
#define ZYNQMP_PM_MAX_QOS 100U
/* Firmware feature check version mask */
#define FIRMWARE_VERSION_MASK GENMASK(15, 0)
/* PM API versions */
#define PM_API_VERSION_2 2
#endif /* _ZYNQMP_FIRMWARE_H_ */