1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <dt-bindings/memory/tegra186-mc.h>
17 #include <dt-bindings/memory/tegra194-mc.h>
41 static void tegra186_mc_program_sid(struct tegra186_mc *mc)  in tegra186_mc_program_sid()  argument
45 	for (i = 0; i < mc->soc->num_clients; i++) {  in tegra186_mc_program_sid()
46 		const struct tegra186_mc_client *client = &mc->soc->clients[i];  in tegra186_mc_program_sid()
49 		override = readl(mc->regs + client->regs.override);  in tegra186_mc_program_sid()
50 		security = readl(mc->regs + client->regs.security);  in tegra186_mc_program_sid()
52 		dev_dbg(mc->dev, "client %s: override: %x security: %x\n",  in tegra186_mc_program_sid()
53 			client->name, override, security);  in tegra186_mc_program_sid()
55 		dev_dbg(mc->dev, "setting SID %u for %s\n", client->sid,  in tegra186_mc_program_sid()
56 			client->name);  in tegra186_mc_program_sid()
57 		writel(client->sid, mc->regs + client->regs.override);  in tegra186_mc_program_sid()
59 		override = readl(mc->regs + client->regs.override);  in tegra186_mc_program_sid()
60 		security = readl(mc->regs + client->regs.security);  in tegra186_mc_program_sid()
62 		dev_dbg(mc->dev, "client %s: override: %x security: %x\n",  in tegra186_mc_program_sid()
63 			client->name, override, security);  in tegra186_mc_program_sid()
1526 	struct tegra186_mc *mc;  in tegra186_mc_probe()  local
1530 	mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL);  in tegra186_mc_probe()
1531 	if (!mc)  in tegra186_mc_probe()
1532 		return -ENOMEM;  in tegra186_mc_probe()
1534 	mc->soc = of_device_get_match_data(&pdev->dev);  in tegra186_mc_probe()
1537 	mc->regs = devm_ioremap_resource(&pdev->dev, res);  in tegra186_mc_probe()
1538 	if (IS_ERR(mc->regs))  in tegra186_mc_probe()
1539 		return PTR_ERR(mc->regs);  in tegra186_mc_probe()
1541 	mc->dev = &pdev->dev;  in tegra186_mc_probe()
1543 	err = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);  in tegra186_mc_probe()
1547 	platform_set_drvdata(pdev, mc);  in tegra186_mc_probe()
1548 	tegra186_mc_program_sid(mc);  in tegra186_mc_probe()
1555 	struct tegra186_mc *mc = platform_get_drvdata(pdev);  in tegra186_mc_remove()  local
1557 	of_platform_depopulate(mc->dev);  in tegra186_mc_remove()
1564 	{ .compatible = "nvidia,tegra186-mc", .data = &tegra186_mc_soc },
1567 	{ .compatible = "nvidia,tegra194-mc", .data = &tegra194_mc_soc },
1580 	struct tegra186_mc *mc = dev_get_drvdata(dev);  in tegra186_mc_resume()  local
1582 	tegra186_mc_program_sid(mc);  in tegra186_mc_resume()
1593 		.name = "tegra186-mc",
1604 MODULE_DESCRIPTION("NVIDIA Tegra186 Memory Controller driver");