1 // SPDX-License-Identifier: GPL-2.0
8 #include "tegra210-emc.h"
15 	struct tegra210_emc *emc = dev_get_drvdata(dev);  in tegra210_emc_table_device_init()  local
19 	timings = memremap(rmem->base, rmem->size, MEMREMAP_WB);  in tegra210_emc_table_device_init()
21 		dev_err(dev, "failed to map EMC table\n");  in tegra210_emc_table_device_init()
22 		return -ENOMEM;  in tegra210_emc_table_device_init()
32 	/* only the nominal and derated tables are expected */  in tegra210_emc_table_device_init()
33 	if (emc->derated) {  in tegra210_emc_table_device_init()
34 		dev_warn(dev, "excess EMC table '%s'\n", rmem->name);  in tegra210_emc_table_device_init()
38 	if (emc->nominal) {  in tegra210_emc_table_device_init()
39 		if (count != emc->num_timings) {  in tegra210_emc_table_device_init()
41 				 count, emc->num_timings);  in tegra210_emc_table_device_init()
43 			return -EINVAL;  in tegra210_emc_table_device_init()
46 		emc->derated = timings;  in tegra210_emc_table_device_init()
48 		emc->num_timings = count;  in tegra210_emc_table_device_init()
49 		emc->nominal = timings;  in tegra210_emc_table_device_init()
54 	rmem->priv = timings;  in tegra210_emc_table_device_init()
62 	struct tegra210_emc_timing *timings = rmem->priv;  in tegra210_emc_table_device_release()
63 	struct tegra210_emc *emc = dev_get_drvdata(dev);  in tegra210_emc_table_device_release()  local
65 	if ((emc->nominal && timings != emc->nominal) &&  in tegra210_emc_table_device_release()
66 	    (emc->derated && timings != emc->derated))  in tegra210_emc_table_device_release()
67 		dev_warn(dev, "trying to release unassigned EMC table '%s'\n",  in tegra210_emc_table_device_release()
68 			 rmem->name);  in tegra210_emc_table_device_release()
80 	pr_debug("Tegra210 EMC table at %pa, size %lu bytes\n", &rmem->base,  in tegra210_emc_table_init()
81 		 (unsigned long)rmem->size);  in tegra210_emc_table_init()
83 	rmem->ops = &tegra210_emc_table_ops;  in tegra210_emc_table_init()
87 RESERVEDMEM_OF_DECLARE(tegra210_emc_table, "nvidia,tegra210-emc-table",