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drivers: firmware: xilinx: Add support for feature check

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Query for corresponding feature before calling EEMI API
from the driver.

Signed-off-by: Ravi Patel <ravi.patel@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
This commit is contained in:
Ravi Patel 2019-11-12 00:35:55 -08:00 • committed by Michal Simek
parent e42617b825
commit 461011b1e1
2 changed files with 50 additions and 0 deletions
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7
include/linux/firmware/xlnx-zynqmp.h
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@ -48,6 +48,10 @@
#define ZYNQMP_PM_CAPABILITY_WAKEUP 0x4U
#define ZYNQMP_PM_CAPABILITY_UNUSABLE 0x8U
/* Feature check status */
#define PM_FEATURE_INVALID -1
#define PM_FEATURE_UNCHECKED 0
/*
* Firmware FPGA Manager flags
* XILINX_ZYNQMP_PM_FPGA_FULL: FPGA full reconfiguration
@ -78,11 +82,14 @@ enum pm_api_id {
PM_CLOCK_GETRATE,
PM_CLOCK_SETPARENT,
PM_CLOCK_GETPARENT,
PM_FEATURE_CHECK = 63,
PM_API_MAX,
};
/* PMU-FW return status codes */
enum pm_ret_status {
XST_PM_SUCCESS = 0,
XST_PM_NO_FEATURE = 19,
XST_PM_INTERNAL = 2000,
XST_PM_CONFLICT,
XST_PM_NO_ACCESS,