diff options
Diffstat (limited to 'drivers/firmware/xilinx/zynqmp.c')
| -rw-r--r-- | drivers/firmware/xilinx/zynqmp.c | 396 |
1 files changed, 160 insertions, 236 deletions
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index b0d22d4455d9..79789f0563f6 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -92,6 +92,8 @@ static int zynqmp_pm_ret_code(u32 ret_status) return 0; case XST_PM_NO_FEATURE: return -ENOTSUPP; + case XST_PM_INVALID_VERSION: + return -EOPNOTSUPP; case XST_PM_NO_ACCESS: return -EACCES; case XST_PM_ABORT_SUSPEND: @@ -101,13 +103,13 @@ static int zynqmp_pm_ret_code(u32 ret_status) case XST_PM_INTERNAL: case XST_PM_CONFLICT: case XST_PM_INVALID_NODE: + case XST_PM_INVALID_CRC: default: return -EINVAL; } } -static noinline int do_fw_call_fail(u64 arg0, u64 arg1, u64 arg2, - u32 *ret_payload) +static noinline int do_fw_call_fail(u32 *ret_payload, u32 num_args, ...) { return -ENODEV; } @@ -116,25 +118,35 @@ static noinline int do_fw_call_fail(u64 arg0, u64 arg1, u64 arg2, * PM function call wrapper * Invoke do_fw_call_smc or do_fw_call_hvc, depending on the configuration */ -static int (*do_fw_call)(u64, u64, u64, u32 *ret_payload) = do_fw_call_fail; +static int (*do_fw_call)(u32 *ret_payload, u32, ...) = do_fw_call_fail; /** * do_fw_call_smc() - Call system-level platform management layer (SMC) - * @arg0: Argument 0 to SMC call - * @arg1: Argument 1 to SMC call - * @arg2: Argument 2 to SMC call + * @num_args: Number of variable arguments should be <= 8 * @ret_payload: Returned value array * * Invoke platform management function via SMC call (no hypervisor present). * * Return: Returns status, either success or error+reason */ -static noinline int do_fw_call_smc(u64 arg0, u64 arg1, u64 arg2, - u32 *ret_payload) +static noinline int do_fw_call_smc(u32 *ret_payload, u32 num_args, ...) { struct arm_smccc_res res; + u64 args[8] = {0}; + va_list arg_list; + u8 i; - arm_smccc_smc(arg0, arg1, arg2, 0, 0, 0, 0, 0, &res); + if (num_args > 8) + return -EINVAL; + + va_start(arg_list, num_args); + + for (i = 0; i < num_args; i++) + args[i] = va_arg(arg_list, u64); + + va_end(arg_list); + + arm_smccc_smc(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], &res); if (ret_payload) { ret_payload[0] = lower_32_bits(res.a0); @@ -148,9 +160,7 @@ static noinline int do_fw_call_smc(u64 arg0, u64 arg1, u64 arg2, /** * do_fw_call_hvc() - Call system-level platform management layer (HVC) - * @arg0: Argument 0 to HVC call - * @arg1: Argument 1 to HVC call - * @arg2: Argument 2 to HVC call + * @num_args: Number of variable arguments should be <= 8 * @ret_payload: Returned value array * * Invoke platform management function via HVC @@ -159,12 +169,24 @@ static noinline int do_fw_call_smc(u64 arg0, u64 arg1, u64 arg2, * * Return: Returns status, either success or error+reason */ -static noinline int do_fw_call_hvc(u64 arg0, u64 arg1, u64 arg2, - u32 *ret_payload) +static noinline int do_fw_call_hvc(u32 *ret_payload, u32 num_args, ...) { struct arm_smccc_res res; + u64 args[8] = {0}; + va_list arg_list; + u8 i; + + if (num_args > 8) + return -EINVAL; + + va_start(arg_list, num_args); + + for (i = 0; i < num_args; i++) + args[i] = va_arg(arg_list, u64); + + va_end(arg_list); - arm_smccc_hvc(arg0, arg1, arg2, 0, 0, 0, 0, 0, &res); + arm_smccc_hvc(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], &res); if (ret_payload) { ret_payload[0] = lower_32_bits(res.a0); @@ -180,11 +202,31 @@ static int __do_feature_check_call(const u32 api_id, u32 *ret_payload) { int ret; u64 smc_arg[2]; + u32 module_id; + u32 feature_check_api_id; - smc_arg[0] = PM_SIP_SVC | PM_FEATURE_CHECK; - smc_arg[1] = api_id; + module_id = FIELD_GET(MODULE_ID_MASK, api_id); - ret = do_fw_call(smc_arg[0], smc_arg[1], 0, ret_payload); + /* + * Feature check of APIs belonging to PM, XSEM, and TF-A are handled by calling + * PM_FEATURE_CHECK API. For other modules, call PM_API_FEATURES API. + */ + if (module_id == PM_MODULE_ID || module_id == XSEM_MODULE_ID || module_id == TF_A_MODULE_ID) + feature_check_api_id = PM_FEATURE_CHECK; + else + feature_check_api_id = PM_API_FEATURES; + + /* + * Feature check of TF-A APIs is done in the TF-A layer and it expects for + * MODULE_ID_MASK bits of SMC's arg[0] to be the same as PM_MODULE_ID. + */ + if (module_id == TF_A_MODULE_ID) + module_id = PM_MODULE_ID; + + smc_arg[0] = PM_SIP_SVC | FIELD_PREP(MODULE_ID_MASK, module_id) | feature_check_api_id; + smc_arg[1] = (api_id & API_ID_MASK); + + ret = do_fw_call(ret_payload, 2, smc_arg[0], smc_arg[1]); if (ret) ret = -EOPNOTSUPP; else @@ -295,11 +337,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_is_function_supported); * zynqmp_pm_invoke_fn() - Invoke the system-level platform management layer * caller function depending on the configuration * @pm_api_id: Requested PM-API call - * @arg0: Argument 0 to requested PM-API call - * @arg1: Argument 1 to requested PM-API call - * @arg2: Argument 2 to requested PM-API call - * @arg3: Argument 3 to requested PM-API call * @ret_payload: Returned value array + * @num_args: Number of arguments to requested PM-API call * * Invoke platform management function for SMC or HVC call, depending on * configuration. @@ -316,26 +355,38 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_is_function_supported); * * Return: Returns status, either success or error+reason */ -int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1, - u32 arg2, u32 arg3, u32 *ret_payload) +int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 *ret_payload, u32 num_args, ...) { /* * Added SIP service call Function Identifier * Make sure to stay in x0 register */ - u64 smc_arg[4]; - int ret; + u64 smc_arg[8]; + int ret, i; + va_list arg_list; + u32 args[14] = {0}; + + if (num_args > 14) + return -EINVAL; + + va_start(arg_list, num_args); /* Check if feature is supported or not */ ret = zynqmp_pm_feature(pm_api_id); if (ret < 0) return ret; + for (i = 0; i < num_args; i++) + args[i] = va_arg(arg_list, u32); + + va_end(arg_list); + smc_arg[0] = PM_SIP_SVC | pm_api_id; - smc_arg[1] = ((u64)arg1 << 32) | arg0; - smc_arg[2] = ((u64)arg3 << 32) | arg2; + for (i = 0; i < 7; i++) + smc_arg[i + 1] = ((u64)args[(i * 2) + 1] << 32) | args[i * 2]; - return do_fw_call(smc_arg[0], smc_arg[1], smc_arg[2], ret_payload); + return do_fw_call(ret_payload, 8, smc_arg[0], smc_arg[1], smc_arg[2], smc_arg[3], + smc_arg[4], smc_arg[5], smc_arg[6], smc_arg[7]); } static u32 pm_api_version; @@ -347,14 +398,12 @@ int zynqmp_pm_register_sgi(u32 sgi_num, u32 reset) { int ret; - ret = zynqmp_pm_invoke_fn(TF_A_PM_REGISTER_SGI, sgi_num, reset, 0, 0, - NULL); - if (!ret) + ret = zynqmp_pm_invoke_fn(TF_A_PM_REGISTER_SGI, NULL, 2, sgi_num, reset); + if (ret != -EOPNOTSUPP && !ret) return ret; /* try old implementation as fallback strategy if above fails */ - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_REGISTER_SGI, sgi_num, - reset, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, IOCTL_REGISTER_SGI, sgi_num, reset); } /** @@ -376,7 +425,7 @@ int zynqmp_pm_get_api_version(u32 *version) *version = pm_api_version; return 0; } - ret = zynqmp_pm_invoke_fn(PM_GET_API_VERSION, 0, 0, 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_GET_API_VERSION, ret_payload, 0); *version = ret_payload[1]; return ret; @@ -399,7 +448,7 @@ int zynqmp_pm_get_chipid(u32 *idcode, u32 *version) if (!idcode || !version) return -EINVAL; - ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, ret_payload, 0); *idcode = ret_payload[1]; *version = ret_payload[2]; @@ -414,7 +463,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_get_chipid); * * Return: Returns status, either success or error+reason */ -static int zynqmp_pm_get_family_info(u32 *family, u32 *subfamily) +int zynqmp_pm_get_family_info(u32 *family, u32 *subfamily) { u32 ret_payload[PAYLOAD_ARG_CNT]; u32 idcode; @@ -427,7 +476,7 @@ static int zynqmp_pm_get_family_info(u32 *family, u32 *subfamily) return 0; } - ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, ret_payload, 0); if (ret < 0) return ret; @@ -439,6 +488,7 @@ static int zynqmp_pm_get_family_info(u32 *family, u32 *subfamily) return 0; } +EXPORT_SYMBOL_GPL(zynqmp_pm_get_family_info); /** * zynqmp_pm_get_trustzone_version() - Get secure trustzone firmware version @@ -459,8 +509,7 @@ static int zynqmp_pm_get_trustzone_version(u32 *version) *version = pm_tz_version; return 0; } - ret = zynqmp_pm_invoke_fn(PM_GET_TRUSTZONE_VERSION, 0, 0, - 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_GET_TRUSTZONE_VERSION, ret_payload, 0); *version = ret_payload[1]; return ret; @@ -507,8 +556,8 @@ int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out) { int ret; - ret = zynqmp_pm_invoke_fn(PM_QUERY_DATA, qdata.qid, qdata.arg1, - qdata.arg2, qdata.arg3, out); + ret = zynqmp_pm_invoke_fn(PM_QUERY_DATA, out, 4, qdata.qid, qdata.arg1, qdata.arg2, + qdata.arg3); /* * For clock name query, all bytes in SMC response are clock name @@ -530,7 +579,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_query_data); */ int zynqmp_pm_clock_enable(u32 clock_id) { - return zynqmp_pm_invoke_fn(PM_CLOCK_ENABLE, clock_id, 0, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_CLOCK_ENABLE, NULL, 1, clock_id); } EXPORT_SYMBOL_GPL(zynqmp_pm_clock_enable); @@ -545,7 +594,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_enable); */ int zynqmp_pm_clock_disable(u32 clock_id) { - return zynqmp_pm_invoke_fn(PM_CLOCK_DISABLE, clock_id, 0, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_CLOCK_DISABLE, NULL, 1, clock_id); } EXPORT_SYMBOL_GPL(zynqmp_pm_clock_disable); @@ -564,8 +613,7 @@ int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state) u32 ret_payload[PAYLOAD_ARG_CNT]; int ret; - ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETSTATE, clock_id, 0, - 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETSTATE, ret_payload, 1, clock_id); *state = ret_payload[1]; return ret; @@ -584,8 +632,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getstate); */ int zynqmp_pm_clock_setdivider(u32 clock_id, u32 divider) { - return zynqmp_pm_invoke_fn(PM_CLOCK_SETDIVIDER, clock_id, divider, - 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_CLOCK_SETDIVIDER, NULL, 2, clock_id, divider); } EXPORT_SYMBOL_GPL(zynqmp_pm_clock_setdivider); @@ -604,8 +651,7 @@ int zynqmp_pm_clock_getdivider(u32 clock_id, u32 *divider) u32 ret_payload[PAYLOAD_ARG_CNT]; int ret; - ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETDIVIDER, clock_id, 0, - 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETDIVIDER, ret_payload, 1, clock_id); *divider = ret_payload[1]; return ret; @@ -613,47 +659,6 @@ int zynqmp_pm_clock_getdivider(u32 clock_id, u32 *divider) EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getdivider); /** - * zynqmp_pm_clock_setrate() - Set the clock rate for given id - * @clock_id: ID of the clock - * @rate: rate value in hz - * - * This function is used by master to set rate for any clock. - * - * Return: Returns status, either success or error+reason - */ -int zynqmp_pm_clock_setrate(u32 clock_id, u64 rate) -{ - return zynqmp_pm_invoke_fn(PM_CLOCK_SETRATE, clock_id, - lower_32_bits(rate), - upper_32_bits(rate), - 0, NULL); -} -EXPORT_SYMBOL_GPL(zynqmp_pm_clock_setrate); - -/** - * zynqmp_pm_clock_getrate() - Get the clock rate for given id - * @clock_id: ID of the clock - * @rate: rate value in hz - * - * This function is used by master to get rate - * for any clock. - * - * Return: Returns status, either success or error+reason - */ -int zynqmp_pm_clock_getrate(u32 clock_id, u64 *rate) -{ - u32 ret_payload[PAYLOAD_ARG_CNT]; - int ret; - - ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETRATE, clock_id, 0, - 0, 0, ret_payload); - *rate = ((u64)ret_payload[2] << 32) | ret_payload[1]; - - return ret; -} -EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getrate); - -/** * zynqmp_pm_clock_setparent() - Set the clock parent for given id * @clock_id: ID of the clock * @parent_id: parent id @@ -664,8 +669,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getrate); */ int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id) { - return zynqmp_pm_invoke_fn(PM_CLOCK_SETPARENT, clock_id, - parent_id, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_CLOCK_SETPARENT, NULL, 2, clock_id, parent_id); } EXPORT_SYMBOL_GPL(zynqmp_pm_clock_setparent); @@ -684,8 +688,7 @@ int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id) u32 ret_payload[PAYLOAD_ARG_CNT]; int ret; - ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETPARENT, clock_id, 0, - 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_CLOCK_GETPARENT, ret_payload, 1, clock_id); *parent_id = ret_payload[1]; return ret; @@ -704,8 +707,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getparent); */ int zynqmp_pm_set_pll_frac_mode(u32 clk_id, u32 mode) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_PLL_FRAC_MODE, - clk_id, mode, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_SET_PLL_FRAC_MODE, clk_id, mode); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_pll_frac_mode); @@ -721,8 +723,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_pll_frac_mode); */ int zynqmp_pm_get_pll_frac_mode(u32 clk_id, u32 *mode) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_GET_PLL_FRAC_MODE, - clk_id, 0, mode); + return zynqmp_pm_invoke_fn(PM_IOCTL, mode, 3, 0, IOCTL_GET_PLL_FRAC_MODE, clk_id); } EXPORT_SYMBOL_GPL(zynqmp_pm_get_pll_frac_mode); @@ -739,8 +740,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_get_pll_frac_mode); */ int zynqmp_pm_set_pll_frac_data(u32 clk_id, u32 data) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_PLL_FRAC_DATA, - clk_id, data, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_SET_PLL_FRAC_DATA, clk_id, data); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_pll_frac_data); @@ -756,8 +756,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_pll_frac_data); */ int zynqmp_pm_get_pll_frac_data(u32 clk_id, u32 *data) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_GET_PLL_FRAC_DATA, - clk_id, 0, data); + return zynqmp_pm_invoke_fn(PM_IOCTL, data, 3, 0, IOCTL_GET_PLL_FRAC_DATA, clk_id); } EXPORT_SYMBOL_GPL(zynqmp_pm_get_pll_frac_data); @@ -778,9 +777,8 @@ int zynqmp_pm_set_sd_tapdelay(u32 node_id, u32 type, u32 value) u32 mask = (node_id == NODE_SD_0) ? GENMASK(15, 0) : GENMASK(31, 16); if (value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, - IOCTL_SET_SD_TAPDELAY, - type, value, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, node_id, IOCTL_SET_SD_TAPDELAY, type, + value); } /* @@ -798,7 +796,7 @@ int zynqmp_pm_set_sd_tapdelay(u32 node_id, u32 type, u32 value) * Use PM_MMIO_READ/PM_MMIO_WRITE to re-implement the missing counter * part of IOCTL_SET_SD_TAPDELAY which clears SDx_ITAPDLYENA bits. */ - return zynqmp_pm_invoke_fn(PM_MMIO_WRITE, reg, mask, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_MMIO_WRITE, NULL, 2, reg, mask); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_tapdelay); @@ -814,8 +812,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_tapdelay); */ int zynqmp_pm_sd_dll_reset(u32 node_id, u32 type) { - return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, IOCTL_SD_DLL_RESET, - type, 0, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, node_id, IOCTL_SD_DLL_RESET, type); } EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset); @@ -831,8 +828,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset); */ int zynqmp_pm_ospi_mux_select(u32 dev_id, u32 select) { - return zynqmp_pm_invoke_fn(PM_IOCTL, dev_id, IOCTL_OSPI_MUX_SELECT, - select, 0, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, dev_id, IOCTL_OSPI_MUX_SELECT, select); } EXPORT_SYMBOL_GPL(zynqmp_pm_ospi_mux_select); @@ -847,8 +843,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_ospi_mux_select); */ int zynqmp_pm_write_ggs(u32 index, u32 value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_WRITE_GGS, - index, value, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_WRITE_GGS, index, value); } EXPORT_SYMBOL_GPL(zynqmp_pm_write_ggs); @@ -863,8 +858,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_write_ggs); */ int zynqmp_pm_read_ggs(u32 index, u32 *value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_READ_GGS, - index, 0, value); + return zynqmp_pm_invoke_fn(PM_IOCTL, value, 3, 0, IOCTL_READ_GGS, index); } EXPORT_SYMBOL_GPL(zynqmp_pm_read_ggs); @@ -880,8 +874,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_read_ggs); */ int zynqmp_pm_write_pggs(u32 index, u32 value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_WRITE_PGGS, index, value, - NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_WRITE_PGGS, index, value); } EXPORT_SYMBOL_GPL(zynqmp_pm_write_pggs); @@ -897,15 +890,13 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_write_pggs); */ int zynqmp_pm_read_pggs(u32 index, u32 *value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_READ_PGGS, index, 0, - value); + return zynqmp_pm_invoke_fn(PM_IOCTL, value, 3, 0, IOCTL_READ_PGGS, index); } EXPORT_SYMBOL_GPL(zynqmp_pm_read_pggs); int zynqmp_pm_set_tapdelay_bypass(u32 index, u32 value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_TAPDELAY_BYPASS, - index, value, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_SET_TAPDELAY_BYPASS, index, value); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_tapdelay_bypass); @@ -920,8 +911,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_tapdelay_bypass); */ int zynqmp_pm_set_boot_health_status(u32 value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_BOOT_HEALTH_STATUS, - value, 0, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, 0, IOCTL_SET_BOOT_HEALTH_STATUS, value); } /** @@ -935,8 +925,7 @@ int zynqmp_pm_set_boot_health_status(u32 value) int zynqmp_pm_reset_assert(const enum zynqmp_pm_reset reset, const enum zynqmp_pm_reset_action assert_flag) { - return zynqmp_pm_invoke_fn(PM_RESET_ASSERT, reset, assert_flag, - 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_RESET_ASSERT, NULL, 2, reset, assert_flag); } EXPORT_SYMBOL_GPL(zynqmp_pm_reset_assert); @@ -955,8 +944,7 @@ int zynqmp_pm_reset_get_status(const enum zynqmp_pm_reset reset, u32 *status) if (!status) return -EINVAL; - ret = zynqmp_pm_invoke_fn(PM_RESET_GET_STATUS, reset, 0, - 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_RESET_GET_STATUS, ret_payload, 1, reset); *status = ret_payload[1]; return ret; @@ -981,9 +969,8 @@ int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags) u32 ret_payload[PAYLOAD_ARG_CNT]; int ret; - ret = zynqmp_pm_invoke_fn(PM_FPGA_LOAD, lower_32_bits(address), - upper_32_bits(address), size, flags, - ret_payload); + ret = zynqmp_pm_invoke_fn(PM_FPGA_LOAD, ret_payload, 4, lower_32_bits(address), + upper_32_bits(address), size, flags); if (ret_payload[0]) return -ret_payload[0]; @@ -1008,7 +995,7 @@ int zynqmp_pm_fpga_get_status(u32 *value) if (!value) return -EINVAL; - ret = zynqmp_pm_invoke_fn(PM_FPGA_GET_STATUS, 0, 0, 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_FPGA_GET_STATUS, ret_payload, 0); *value = ret_payload[1]; return ret; @@ -1036,11 +1023,9 @@ int zynqmp_pm_fpga_get_config_status(u32 *value) lower_addr = lower_32_bits((u64)&buf); upper_addr = upper_32_bits((u64)&buf); - ret = zynqmp_pm_invoke_fn(PM_FPGA_READ, - XILINX_ZYNQMP_PM_FPGA_CONFIG_STAT_OFFSET, - lower_addr, upper_addr, - XILINX_ZYNQMP_PM_FPGA_READ_CONFIG_REG, - ret_payload); + ret = zynqmp_pm_invoke_fn(PM_FPGA_READ, ret_payload, 4, + XILINX_ZYNQMP_PM_FPGA_CONFIG_STAT_OFFSET, lower_addr, upper_addr, + XILINX_ZYNQMP_PM_FPGA_READ_CONFIG_REG); *value = ret_payload[1]; @@ -1058,7 +1043,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_fpga_get_config_status); */ int zynqmp_pm_pinctrl_request(const u32 pin) { - return zynqmp_pm_invoke_fn(PM_PINCTRL_REQUEST, pin, 0, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_PINCTRL_REQUEST, NULL, 1, pin); } EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_request); @@ -1072,36 +1057,11 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_request); */ int zynqmp_pm_pinctrl_release(const u32 pin) { - return zynqmp_pm_invoke_fn(PM_PINCTRL_RELEASE, pin, 0, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_PINCTRL_RELEASE, NULL, 1, pin); } EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_release); /** - * zynqmp_pm_pinctrl_get_function - Read function id set for the given pin - * @pin: Pin number - * @id: Buffer to store function ID - * - * This function provides the function currently set for the given pin. - * - * Return: Returns status, either success or error+reason - */ -int zynqmp_pm_pinctrl_get_function(const u32 pin, u32 *id) -{ - u32 ret_payload[PAYLOAD_ARG_CNT]; - int ret; - - if (!id) - return -EINVAL; - - ret = zynqmp_pm_invoke_fn(PM_PINCTRL_GET_FUNCTION, pin, 0, - 0, 0, ret_payload); - *id = ret_payload[1]; - - return ret; -} -EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_get_function); - -/** * zynqmp_pm_pinctrl_set_function - Set requested function for the pin * @pin: Pin number * @id: Function ID to set @@ -1112,8 +1072,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_get_function); */ int zynqmp_pm_pinctrl_set_function(const u32 pin, const u32 id) { - return zynqmp_pm_invoke_fn(PM_PINCTRL_SET_FUNCTION, pin, id, - 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_PINCTRL_SET_FUNCTION, NULL, 2, pin, id); } EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_set_function); @@ -1136,8 +1095,7 @@ int zynqmp_pm_pinctrl_get_config(const u32 pin, const u32 param, if (!value) return -EINVAL; - ret = zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_GET, pin, param, - 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_GET, ret_payload, 2, pin, param); *value = ret_payload[1]; return ret; @@ -1166,8 +1124,7 @@ int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, return -EOPNOTSUPP; } - return zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_SET, pin, - param, value, 0, NULL); + return zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_SET, NULL, 3, pin, param, value); } EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_set_config); @@ -1185,8 +1142,7 @@ unsigned int zynqmp_pm_bootmode_read(u32 *ps_mode) unsigned int ret; u32 ret_payload[PAYLOAD_ARG_CNT]; - ret = zynqmp_pm_invoke_fn(PM_MMIO_READ, CRL_APB_BOOT_PIN_CTRL, 0, - 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_MMIO_READ, ret_payload, 1, CRL_APB_BOOT_PIN_CTRL); *ps_mode = ret_payload[1]; @@ -1205,8 +1161,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_bootmode_read); */ int zynqmp_pm_bootmode_write(u32 ps_mode) { - return zynqmp_pm_invoke_fn(PM_MMIO_WRITE, CRL_APB_BOOT_PIN_CTRL, - CRL_APB_BOOTPIN_CTRL_MASK, ps_mode, 0, NULL); + return zynqmp_pm_invoke_fn(PM_MMIO_WRITE, NULL, 3, CRL_APB_BOOT_PIN_CTRL, + CRL_APB_BOOTPIN_CTRL_MASK, ps_mode); } EXPORT_SYMBOL_GPL(zynqmp_pm_bootmode_write); @@ -1221,7 +1177,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_bootmode_write); */ int zynqmp_pm_init_finalize(void) { - return zynqmp_pm_invoke_fn(PM_PM_INIT_FINALIZE, 0, 0, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_PM_INIT_FINALIZE, NULL, 0); } EXPORT_SYMBOL_GPL(zynqmp_pm_init_finalize); @@ -1235,7 +1191,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_init_finalize); */ int zynqmp_pm_set_suspend_mode(u32 mode) { - return zynqmp_pm_invoke_fn(PM_SET_SUSPEND_MODE, mode, 0, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_SET_SUSPEND_MODE, NULL, 1, mode); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_suspend_mode); @@ -1254,8 +1210,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_suspend_mode); int zynqmp_pm_request_node(const u32 node, const u32 capabilities, const u32 qos, const enum zynqmp_pm_request_ack ack) { - return zynqmp_pm_invoke_fn(PM_REQUEST_NODE, node, capabilities, - qos, ack, NULL); + return zynqmp_pm_invoke_fn(PM_REQUEST_NODE, NULL, 4, node, capabilities, qos, ack); } EXPORT_SYMBOL_GPL(zynqmp_pm_request_node); @@ -1271,7 +1226,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_request_node); */ int zynqmp_pm_release_node(const u32 node) { - return zynqmp_pm_invoke_fn(PM_RELEASE_NODE, node, 0, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_RELEASE_NODE, NULL, 1, node); } EXPORT_SYMBOL_GPL(zynqmp_pm_release_node); @@ -1290,8 +1245,7 @@ int zynqmp_pm_get_rpu_mode(u32 node_id, enum rpu_oper_mode *rpu_mode) u32 ret_payload[PAYLOAD_ARG_CNT]; int ret; - ret = zynqmp_pm_invoke_fn(PM_IOCTL, node_id, - IOCTL_GET_RPU_OPER_MODE, 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_IOCTL, ret_payload, 2, node_id, IOCTL_GET_RPU_OPER_MODE); /* only set rpu_mode if no error */ if (ret == XST_PM_SUCCESS) @@ -1313,9 +1267,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_get_rpu_mode); */ int zynqmp_pm_set_rpu_mode(u32 node_id, enum rpu_oper_mode rpu_mode) { - return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, - IOCTL_SET_RPU_OPER_MODE, (u32)rpu_mode, - 0, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, node_id, IOCTL_SET_RPU_OPER_MODE, + (u32)rpu_mode); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_rpu_mode); @@ -1331,9 +1284,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_rpu_mode); */ int zynqmp_pm_set_tcm_config(u32 node_id, enum rpu_tcm_comb tcm_mode) { - return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, - IOCTL_TCM_COMB_CONFIG, (u32)tcm_mode, 0, - NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 3, node_id, IOCTL_TCM_COMB_CONFIG, + (u32)tcm_mode); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_tcm_config); @@ -1348,7 +1300,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_tcm_config); int zynqmp_pm_force_pwrdwn(const u32 node, const enum zynqmp_pm_request_ack ack) { - return zynqmp_pm_invoke_fn(PM_FORCE_POWERDOWN, node, ack, 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_FORCE_POWERDOWN, NULL, 2, node, ack); } EXPORT_SYMBOL_GPL(zynqmp_pm_force_pwrdwn); @@ -1367,8 +1319,8 @@ int zynqmp_pm_request_wake(const u32 node, const enum zynqmp_pm_request_ack ack) { /* set_addr flag is encoded into 1st bit of address */ - return zynqmp_pm_invoke_fn(PM_REQUEST_WAKEUP, node, address | set_addr, - address >> 32, ack, NULL); + return zynqmp_pm_invoke_fn(PM_REQUEST_WAKEUP, NULL, 4, node, address | set_addr, + address >> 32, ack); } EXPORT_SYMBOL_GPL(zynqmp_pm_request_wake); @@ -1388,15 +1340,14 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities, const u32 qos, const enum zynqmp_pm_request_ack ack) { - return zynqmp_pm_invoke_fn(PM_SET_REQUIREMENT, node, capabilities, - qos, ack, NULL); + return zynqmp_pm_invoke_fn(PM_SET_REQUIREMENT, NULL, 4, node, capabilities, qos, ack); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_requirement); /** * zynqmp_pm_load_pdi - Load and process PDI - * @src: Source device where PDI is located - * @address: PDI src address + * @src: Source device where PDI is located + * @address: PDI src address * * This function provides support to load PDI from linux * @@ -1404,9 +1355,8 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_requirement); */ int zynqmp_pm_load_pdi(const u32 src, const u64 address) { - return zynqmp_pm_invoke_fn(PM_LOAD_PDI, src, - lower_32_bits(address), - upper_32_bits(address), 0, NULL); + return zynqmp_pm_invoke_fn(PM_LOAD_PDI, NULL, 3, src, lower_32_bits(address), + upper_32_bits(address)); } EXPORT_SYMBOL_GPL(zynqmp_pm_load_pdi); @@ -1426,9 +1376,8 @@ int zynqmp_pm_aes_engine(const u64 address, u32 *out) if (!out) return -EINVAL; - ret = zynqmp_pm_invoke_fn(PM_SECURE_AES, upper_32_bits(address), - lower_32_bits(address), - 0, 0, ret_payload); + ret = zynqmp_pm_invoke_fn(PM_SECURE_AES, ret_payload, 2, upper_32_bits(address), + lower_32_bits(address)); *out = ret_payload[1]; return ret; @@ -1456,8 +1405,7 @@ int zynqmp_pm_sha_hash(const u64 address, const u32 size, const u32 flags) u32 lower_addr = lower_32_bits(address); u32 upper_addr = upper_32_bits(address); - return zynqmp_pm_invoke_fn(PM_SECURE_SHA, upper_addr, lower_addr, - size, flags, NULL); + return zynqmp_pm_invoke_fn(PM_SECURE_SHA, NULL, 4, upper_addr, lower_addr, size, flags); } EXPORT_SYMBOL_GPL(zynqmp_pm_sha_hash); @@ -1479,8 +1427,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_sha_hash); int zynqmp_pm_register_notifier(const u32 node, const u32 event, const u32 wake, const u32 enable) { - return zynqmp_pm_invoke_fn(PM_REGISTER_NOTIFIER, node, event, - wake, enable, NULL); + return zynqmp_pm_invoke_fn(PM_REGISTER_NOTIFIER, NULL, 4, node, event, wake, enable); } EXPORT_SYMBOL_GPL(zynqmp_pm_register_notifier); @@ -1493,8 +1440,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_register_notifier); */ int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype) { - return zynqmp_pm_invoke_fn(PM_SYSTEM_SHUTDOWN, type, subtype, - 0, 0, NULL); + return zynqmp_pm_invoke_fn(PM_SYSTEM_SHUTDOWN, NULL, 2, type, subtype); } /** @@ -1506,8 +1452,7 @@ int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype) */ int zynqmp_pm_set_feature_config(enum pm_feature_config_id id, u32 value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_FEATURE_CONFIG, - id, value, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, 0, IOCTL_SET_FEATURE_CONFIG, id, value); } /** @@ -1520,8 +1465,7 @@ int zynqmp_pm_set_feature_config(enum pm_feature_config_id id, u32 value) int zynqmp_pm_get_feature_config(enum pm_feature_config_id id, u32 *payload) { - return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_GET_FEATURE_CONFIG, - id, 0, payload); + return zynqmp_pm_invoke_fn(PM_IOCTL, payload, 3, 0, IOCTL_GET_FEATURE_CONFIG, id); } /** @@ -1534,8 +1478,7 @@ int zynqmp_pm_get_feature_config(enum pm_feature_config_id id, */ int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_SET_SD_CONFIG, - config, value, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, node, IOCTL_SET_SD_CONFIG, config, value); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_config); @@ -1550,8 +1493,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_config); int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config, u32 value) { - return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_SET_GEM_CONFIG, - config, value, NULL); + return zynqmp_pm_invoke_fn(PM_IOCTL, NULL, 4, node, IOCTL_SET_GEM_CONFIG, config, value); } EXPORT_SYMBOL_GPL(zynqmp_pm_set_gem_config); @@ -1916,7 +1858,6 @@ ATTRIBUTE_GROUPS(zynqmp_firmware); static int zynqmp_firmware_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *np; struct zynqmp_devinfo *devinfo; int ret; @@ -1924,22 +1865,9 @@ static int zynqmp_firmware_probe(struct platform_device *pdev) if (ret) return ret; - np = of_find_compatible_node(NULL, NULL, "xlnx,zynqmp"); - if (!np) { - np = of_find_compatible_node(NULL, NULL, "xlnx,versal"); - if (!np) - return 0; - + ret = do_feature_check_call(PM_FEATURE_CHECK); + if (ret >= 0 && ((ret & FIRMWARE_VERSION_MASK) >= PM_API_VERSION_1)) feature_check_enabled = true; - } - - if (!feature_check_enabled) { - ret = do_feature_check_call(PM_FEATURE_CHECK); - if (ret >= 0) - feature_check_enabled = true; - } - - of_node_put(np); devinfo = devm_kzalloc(dev, sizeof(*devinfo), GFP_KERNEL); if (!devinfo) @@ -1992,19 +1920,17 @@ static int zynqmp_firmware_probe(struct platform_device *pdev) zynqmp_pm_api_debugfs_init(); - np = of_find_compatible_node(NULL, NULL, "xlnx,versal"); - if (np) { + if (pm_family_code == VERSAL_FAMILY_CODE) { em_dev = platform_device_register_data(&pdev->dev, "xlnx_event_manager", -1, NULL, 0); if (IS_ERR(em_dev)) dev_err_probe(&pdev->dev, PTR_ERR(em_dev), "EM register fail with error\n"); } - of_node_put(np); return of_platform_populate(dev->of_node, NULL, NULL, dev); } -static int zynqmp_firmware_remove(struct platform_device *pdev) +static void zynqmp_firmware_remove(struct platform_device *pdev) { struct pm_api_feature_data *feature_data; struct hlist_node *tmp; @@ -2019,8 +1945,6 @@ static int zynqmp_firmware_remove(struct platform_device *pdev) } platform_device_unregister(em_dev); - - return 0; } static const struct of_device_id zynqmp_firmware_of_match[] = { @@ -2037,6 +1961,6 @@ static struct platform_driver zynqmp_firmware_driver = { .dev_groups = zynqmp_firmware_groups, }, .probe = zynqmp_firmware_probe, - .remove = zynqmp_firmware_remove, + .remove_new = zynqmp_firmware_remove, }; module_platform_driver(zynqmp_firmware_driver); |