From: Thor Thayer <thor.tha...@linux.intel.com> commit da941c6dc017d0eebf0d7c72d9a84231c5447c61 from https://github.com/altera-opensource/linux-socfpga.git
Add the defines for the Stratix10 Protected register accesses. This syncs with the U-Boot version of this file. Signed-off-by: Thor Thayer <thor.tha...@linux.intel.com> Signed-off-by: Meng Li <meng...@windriver.com> --- drivers/misc/intel-smc.h | 64 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/drivers/misc/intel-smc.h b/drivers/misc/intel-smc.h index 0b92560..d92dcd7 100644 --- a/drivers/misc/intel-smc.h +++ b/drivers/misc/intel-smc.h @@ -66,12 +66,17 @@ * * INTEL_SIP_SMC_FPGA_CONFIG_STATUS_ERROR: * There is error during the FPGA configuration process. + * + * INTEL_SIP_SMC_REG_ERROR: + * There is error during a read or write operation of the protected + * registers. */ #define INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION 0xFFFFFFFF #define INTEL_SIP_SMC_STATUS_OK 0x0 #define INTEL_SIP_SMC_FPGA_CONFIG_STATUS_BUSY 0x1 #define INTEL_SIP_SMC_FPGA_CONFIG_STATUS_REJECTED 0x2 #define INTEL_SIP_SMC_FPGA_CONFIG_STATUS_ERROR 0x4 +#define INTEL_SIP_SMC_REG_ERROR 0x5 /* * Request INTEL_SIP_SMC_FPGA_CONFIG_START @@ -202,4 +207,63 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE) #define INTEL_SIP_SMC_FPGA_CONFIG_LOOPBACK \ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_LOOPBACK) +/* + * Request INTEL_SIP_SMC_REG_READ + * + * Read a protected register using SMCCC + * + * Call register usage: + * a0: INTEL_SIP_SMC_REG_READ. + * a1: register address. + * a2-7: not used. + * + * Return status: + * a0: INTEL_SIP_SMC_STATUS_OK or INTEL_SIP_SMC_REG_ERROR. + * a1: Value in the register + * a2-3: not used. + */ +#define INTEL_SIP_SMC_FUNCID_REG_READ 7 +#define INTEL_SIP_SMC_REG_READ \ + INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_READ) + +/* + * Request INTEL_SIP_SMC_REG_WRITE + * + * Write a protected register using SMCCC + * + * Call register usage: + * a0: INTEL_SIP_SMC_REG_WRITE. + * a1: register address + * a2: value to program into register. + * a3-7: not used. + * + * Return status: + * a0: INTEL_SIP_SMC_STATUS_OK or INTEL_SIP_SMC_REG_ERROR. + * a1-3: not used. + */ +#define INTEL_SIP_SMC_FUNCID_REG_WRITE 8 +#define INTEL_SIP_SMC_REG_WRITE \ + INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_WRITE) + +/* + * Request INTEL_SIP_SMC_FUNCID_REG_UPDATE + * + * Update one or more bits in a protected register using a + * read-modify-write operation. + * + * Call register usage: + * a0: INTEL_SIP_SMC_REG_UPDATE. + * a1: register address + * a2: Write Mask. + * a3: Value to write. + * a4-7: not used. + * + * Return status: + * a0: INTEL_SIP_SMC_STATUS_OK or INTEL_SIP_SMC_REG_ERROR. + * a1-3: Not used. + */ +#define INTEL_SIP_SMC_FUNCID_REG_UPDATE 9 +#define INTEL_SIP_SMC_REG_UPDATE \ + INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_UPDATE) + #endif -- 2.7.4 -- _______________________________________________ linux-yocto mailing list linux-yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/linux-yocto