diff options
Diffstat (limited to 'drivers/memory/tegra/tegra186.c')
| -rw-r--r-- | drivers/memory/tegra/tegra186.c | 763 |
1 files changed, 540 insertions, 223 deletions
diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c index ffda903c49bb..aee11457bf8e 100644 --- a/drivers/memory/tegra/tegra186.c +++ b/drivers/memory/tegra/tegra186.c @@ -1,601 +1,918 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (C) 2017 NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. + * Copyright (C) 2017-2025 NVIDIA CORPORATION. All rights reserved. */ #include <linux/io.h> +#include <linux/iommu.h> #include <linux/module.h> #include <linux/mod_devicetable.h> +#include <linux/of.h> +#include <linux/of_platform.h> #include <linux/platform_device.h> +#include <soc/tegra/mc.h> + +#if defined(CONFIG_ARCH_TEGRA_186_SOC) #include <dt-bindings/memory/tegra186-mc.h> +#endif -struct tegra_mc { - struct device *dev; - void __iomem *regs; -}; +#include "mc.h" + +#define MC_SID_STREAMID_OVERRIDE_MASK GENMASK(7, 0) +#define MC_SID_STREAMID_SECURITY_WRITE_ACCESS_DISABLED BIT(16) +#define MC_SID_STREAMID_SECURITY_OVERRIDE BIT(8) + +static int tegra186_mc_probe(struct tegra_mc *mc) +{ + struct platform_device *pdev = to_platform_device(mc->dev); + struct resource *res; + unsigned int i; + char name[8]; + int err; + + /* + * From Tegra264, the SID region is not present in MC node and BROADCAST is first. + * The common function 'tegra_mc_probe()' already maps first region entry from DT. + * Check if the SID region is present in DT then map BROADCAST. Otherwise, consider + * the first entry mapped in mc probe as the BROADCAST region. This is done to avoid + * mapping the region twice when SID is not present and keep backward compatibility. + */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sid"); + if (res) + mc->bcast_ch_regs = devm_platform_ioremap_resource_byname(pdev, "broadcast"); + else + mc->bcast_ch_regs = mc->regs; + + if (IS_ERR(mc->bcast_ch_regs)) { + if (PTR_ERR(mc->bcast_ch_regs) == -EINVAL) { + dev_warn(&pdev->dev, + "Broadcast channel is missing, please update your device-tree\n"); + mc->bcast_ch_regs = NULL; + goto populate; + } + + return PTR_ERR(mc->bcast_ch_regs); + } + + mc->ch_regs = devm_kcalloc(mc->dev, mc->soc->num_channels, sizeof(*mc->ch_regs), + GFP_KERNEL); + if (!mc->ch_regs) + return -ENOMEM; + + for (i = 0; i < mc->soc->num_channels; i++) { + snprintf(name, sizeof(name), "ch%u", i); + + mc->ch_regs[i] = devm_platform_ioremap_resource_byname(pdev, name); + if (IS_ERR(mc->ch_regs[i])) + return PTR_ERR(mc->ch_regs[i]); + } + +populate: + err = of_platform_populate(mc->dev->of_node, NULL, NULL, mc->dev); + if (err < 0) + return err; + + return 0; +} + +static void tegra186_mc_remove(struct tegra_mc *mc) +{ + of_platform_depopulate(mc->dev); +} + +#if IS_ENABLED(CONFIG_IOMMU_API) +static void tegra186_mc_client_sid_override(struct tegra_mc *mc, + const struct tegra_mc_client *client, + unsigned int sid) +{ + u32 value, old; + + if (client->regs.sid.security == 0 && client->regs.sid.override == 0) + return; + + value = readl(mc->regs + client->regs.sid.security); + if ((value & MC_SID_STREAMID_SECURITY_OVERRIDE) == 0) { + /* + * If the secure firmware has locked this down the override + * for this memory client, there's nothing we can do here. + */ + if (value & MC_SID_STREAMID_SECURITY_WRITE_ACCESS_DISABLED) + return; + + /* + * Otherwise, try to set the override itself. Typically the + * secure firmware will never have set this configuration. + * Instead, it will either have disabled write access to + * this field, or it will already have set an explicit + * override itself. + */ + WARN_ON((value & MC_SID_STREAMID_SECURITY_OVERRIDE) == 0); + + value |= MC_SID_STREAMID_SECURITY_OVERRIDE; + writel(value, mc->regs + client->regs.sid.security); + } + + value = readl(mc->regs + client->regs.sid.override); + old = value & MC_SID_STREAMID_OVERRIDE_MASK; + + if (old != sid) { + dev_dbg(mc->dev, "overriding SID %x for %s with %x\n", old, + client->name, sid); + writel(sid, mc->regs + client->regs.sid.override); + } +} +#endif + +static int tegra186_mc_probe_device(struct tegra_mc *mc, struct device *dev) +{ +#if IS_ENABLED(CONFIG_IOMMU_API) + struct of_phandle_args args; + unsigned int i, index = 0; + u32 sid; + + if (!tegra_dev_iommu_get_stream_id(dev, &sid)) + return 0; + + while (!of_parse_phandle_with_args(dev->of_node, "interconnects", "#interconnect-cells", + index, &args)) { + if (args.np == mc->dev->of_node && args.args_count != 0) { + for (i = 0; i < mc->soc->num_clients; i++) { + const struct tegra_mc_client *client = &mc->soc->clients[i]; -struct tegra_mc_client { - const char *name; - unsigned int sid; - struct { - unsigned int override; - unsigned int security; - } regs; + if (client->id == args.args[0]) + tegra186_mc_client_sid_override( + mc, client, + sid & MC_SID_STREAMID_OVERRIDE_MASK); + } + } + + index++; + } +#endif + + return 0; +} + +static int tegra186_mc_resume(struct tegra_mc *mc) +{ +#if IS_ENABLED(CONFIG_IOMMU_API) + unsigned int i; + + for (i = 0; i < mc->soc->num_clients; i++) { + const struct tegra_mc_client *client = &mc->soc->clients[i]; + + tegra186_mc_client_sid_override(mc, client, client->sid); + } +#endif + + return 0; +} + +const struct tegra_mc_ops tegra186_mc_ops = { + .probe = tegra186_mc_probe, + .remove = tegra186_mc_remove, + .resume = tegra186_mc_resume, + .probe_device = tegra186_mc_probe_device, + .handle_irq = tegra30_mc_handle_irq, }; +#if defined(CONFIG_ARCH_TEGRA_186_SOC) static const struct tegra_mc_client tegra186_mc_clients[] = { { + .id = TEGRA186_MEMORY_CLIENT_PTCR, .name = "ptcr", .sid = TEGRA186_SID_PASSTHROUGH, .regs = { - .override = 0x000, - .security = 0x004, + .sid = { + .override = 0x000, + .security = 0x004, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_AFIR, .name = "afir", .sid = TEGRA186_SID_AFI, .regs = { - .override = 0x070, - .security = 0x074, + .sid = { + .override = 0x070, + .security = 0x074, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_HDAR, .name = "hdar", .sid = TEGRA186_SID_HDA, .regs = { - .override = 0x0a8, - .security = 0x0ac, + .sid = { + .override = 0x0a8, + .security = 0x0ac, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_HOST1XDMAR, .name = "host1xdmar", .sid = TEGRA186_SID_HOST1X, .regs = { - .override = 0x0b0, - .security = 0x0b4, + .sid = { + .override = 0x0b0, + .security = 0x0b4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVENCSRD, .name = "nvencsrd", .sid = TEGRA186_SID_NVENC, .regs = { - .override = 0x0e0, - .security = 0x0e4, + .sid = { + .override = 0x0e0, + .security = 0x0e4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SATAR, .name = "satar", .sid = TEGRA186_SID_SATA, .regs = { - .override = 0x0f8, - .security = 0x0fc, + .sid = { + .override = 0x0f8, + .security = 0x0fc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_MPCORER, .name = "mpcorer", .sid = TEGRA186_SID_PASSTHROUGH, .regs = { - .override = 0x138, - .security = 0x13c, + .sid = { + .override = 0x138, + .security = 0x13c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVENCSWR, .name = "nvencswr", .sid = TEGRA186_SID_NVENC, .regs = { - .override = 0x158, - .security = 0x15c, + .sid = { + .override = 0x158, + .security = 0x15c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_AFIW, .name = "afiw", .sid = TEGRA186_SID_AFI, .regs = { - .override = 0x188, - .security = 0x18c, + .sid = { + .override = 0x188, + .security = 0x18c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_HDAW, .name = "hdaw", .sid = TEGRA186_SID_HDA, .regs = { - .override = 0x1a8, - .security = 0x1ac, + .sid = { + .override = 0x1a8, + .security = 0x1ac, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_MPCOREW, .name = "mpcorew", .sid = TEGRA186_SID_PASSTHROUGH, .regs = { - .override = 0x1c8, - .security = 0x1cc, + .sid = { + .override = 0x1c8, + .security = 0x1cc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SATAW, .name = "sataw", .sid = TEGRA186_SID_SATA, .regs = { - .override = 0x1e8, - .security = 0x1ec, + .sid = { + .override = 0x1e8, + .security = 0x1ec, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_ISPRA, .name = "ispra", .sid = TEGRA186_SID_ISP, .regs = { - .override = 0x220, - .security = 0x224, + .sid = { + .override = 0x220, + .security = 0x224, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_ISPWA, .name = "ispwa", .sid = TEGRA186_SID_ISP, .regs = { - .override = 0x230, - .security = 0x234, + .sid = { + .override = 0x230, + .security = 0x234, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_ISPWB, .name = "ispwb", .sid = TEGRA186_SID_ISP, .regs = { - .override = 0x238, - .security = 0x23c, + .sid = { + .override = 0x238, + .security = 0x23c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_XUSB_HOSTR, .name = "xusb_hostr", .sid = TEGRA186_SID_XUSB_HOST, .regs = { - .override = 0x250, - .security = 0x254, + .sid = { + .override = 0x250, + .security = 0x254, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_XUSB_HOSTW, .name = "xusb_hostw", .sid = TEGRA186_SID_XUSB_HOST, .regs = { - .override = 0x258, - .security = 0x25c, + .sid = { + .override = 0x258, + .security = 0x25c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_XUSB_DEVR, .name = "xusb_devr", .sid = TEGRA186_SID_XUSB_DEV, .regs = { - .override = 0x260, - .security = 0x264, + .sid = { + .override = 0x260, + .security = 0x264, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_XUSB_DEVW, .name = "xusb_devw", .sid = TEGRA186_SID_XUSB_DEV, .regs = { - .override = 0x268, - .security = 0x26c, + .sid = { + .override = 0x268, + .security = 0x26c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_TSECSRD, .name = "tsecsrd", .sid = TEGRA186_SID_TSEC, .regs = { - .override = 0x2a0, - .security = 0x2a4, + .sid = { + .override = 0x2a0, + .security = 0x2a4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_TSECSWR, .name = "tsecswr", .sid = TEGRA186_SID_TSEC, .regs = { - .override = 0x2a8, - .security = 0x2ac, + .sid = { + .override = 0x2a8, + .security = 0x2ac, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_GPUSRD, .name = "gpusrd", .sid = TEGRA186_SID_GPU, .regs = { - .override = 0x2c0, - .security = 0x2c4, + .sid = { + .override = 0x2c0, + .security = 0x2c4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_GPUSWR, .name = "gpuswr", .sid = TEGRA186_SID_GPU, .regs = { - .override = 0x2c8, - .security = 0x2cc, + .sid = { + .override = 0x2c8, + .security = 0x2cc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SDMMCRA, .name = "sdmmcra", .sid = TEGRA186_SID_SDMMC1, .regs = { - .override = 0x300, - .security = 0x304, + .sid = { + .override = 0x300, + .security = 0x304, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SDMMCRAA, .name = "sdmmcraa", .sid = TEGRA186_SID_SDMMC2, .regs = { - .override = 0x308, - .security = 0x30c, + .sid = { + .override = 0x308, + .security = 0x30c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SDMMCR, .name = "sdmmcr", .sid = TEGRA186_SID_SDMMC3, .regs = { - .override = 0x310, - .security = 0x314, + .sid = { + .override = 0x310, + .security = 0x314, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SDMMCRAB, .name = "sdmmcrab", .sid = TEGRA186_SID_SDMMC4, .regs = { - .override = 0x318, - .security = 0x31c, + .sid = { + .override = 0x318, + .security = 0x31c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SDMMCWA, .name = "sdmmcwa", .sid = TEGRA186_SID_SDMMC1, .regs = { - .override = 0x320, - .security = 0x324, + .sid = { + .override = 0x320, + .security = 0x324, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SDMMCWAA, .name = "sdmmcwaa", .sid = TEGRA186_SID_SDMMC2, .regs = { - .override = 0x328, - .security = 0x32c, + .sid = { + .override = 0x328, + .security = 0x32c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SDMMCW, .name = "sdmmcw", .sid = TEGRA186_SID_SDMMC3, .regs = { - .override = 0x330, - .security = 0x334, + .sid = { + .override = 0x330, + .security = 0x334, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SDMMCWAB, .name = "sdmmcwab", .sid = TEGRA186_SID_SDMMC4, .regs = { - .override = 0x338, - .security = 0x33c, + .sid = { + .override = 0x338, + .security = 0x33c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_VICSRD, .name = "vicsrd", .sid = TEGRA186_SID_VIC, .regs = { - .override = 0x360, - .security = 0x364, + .sid = { + .override = 0x360, + .security = 0x364, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_VICSWR, .name = "vicswr", .sid = TEGRA186_SID_VIC, .regs = { - .override = 0x368, - .security = 0x36c, + .sid = { + .override = 0x368, + .security = 0x36c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_VIW, .name = "viw", .sid = TEGRA186_SID_VI, .regs = { - .override = 0x390, - .security = 0x394, + .sid = { + .override = 0x390, + .security = 0x394, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVDECSRD, .name = "nvdecsrd", .sid = TEGRA186_SID_NVDEC, .regs = { - .override = 0x3c0, - .security = 0x3c4, + .sid = { + .override = 0x3c0, + .security = 0x3c4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVDECSWR, .name = "nvdecswr", .sid = TEGRA186_SID_NVDEC, .regs = { - .override = 0x3c8, - .security = 0x3cc, + .sid = { + .override = 0x3c8, + .security = 0x3cc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_APER, .name = "aper", .sid = TEGRA186_SID_APE, .regs = { - .override = 0x3d0, - .security = 0x3d4, + .sid = { + .override = 0x3d0, + .security = 0x3d4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_APEW, .name = "apew", .sid = TEGRA186_SID_APE, .regs = { - .override = 0x3d8, - .security = 0x3dc, + .sid = { + .override = 0x3d8, + .security = 0x3dc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVJPGSRD, .name = "nvjpgsrd", .sid = TEGRA186_SID_NVJPG, .regs = { - .override = 0x3f0, - .security = 0x3f4, + .sid = { + .override = 0x3f0, + .security = 0x3f4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVJPGSWR, .name = "nvjpgswr", .sid = TEGRA186_SID_NVJPG, .regs = { - .override = 0x3f8, - .security = 0x3fc, + .sid = { + .override = 0x3f8, + .security = 0x3fc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SESRD, .name = "sesrd", .sid = TEGRA186_SID_SE, .regs = { - .override = 0x400, - .security = 0x404, + .sid = { + .override = 0x400, + .security = 0x404, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SESWR, .name = "seswr", .sid = TEGRA186_SID_SE, .regs = { - .override = 0x408, - .security = 0x40c, + .sid = { + .override = 0x408, + .security = 0x40c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_ETRR, .name = "etrr", .sid = TEGRA186_SID_ETR, .regs = { - .override = 0x420, - .security = 0x424, + .sid = { + .override = 0x420, + .security = 0x424, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_ETRW, .name = "etrw", .sid = TEGRA186_SID_ETR, .regs = { - .override = 0x428, - .security = 0x42c, + .sid = { + .override = 0x428, + .security = 0x42c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_TSECSRDB, .name = "tsecsrdb", .sid = TEGRA186_SID_TSECB, .regs = { - .override = 0x430, - .security = 0x434, + .sid = { + .override = 0x430, + .security = 0x434, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_TSECSWRB, .name = "tsecswrb", .sid = TEGRA186_SID_TSECB, .regs = { - .override = 0x438, - .security = 0x43c, + .sid = { + .override = 0x438, + .security = 0x43c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_GPUSRD2, .name = "gpusrd2", .sid = TEGRA186_SID_GPU, .regs = { - .override = 0x440, - .security = 0x444, + .sid = { + .override = 0x440, + .security = 0x444, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_GPUSWR2, .name = "gpuswr2", .sid = TEGRA186_SID_GPU, .regs = { - .override = 0x448, - .security = 0x44c, + .sid = { + .override = 0x448, + .security = 0x44c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_AXISR, .name = "axisr", .sid = TEGRA186_SID_GPCDMA_0, .regs = { - .override = 0x460, - .security = 0x464, + .sid = { + .override = 0x460, + .security = 0x464, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_AXISW, .name = "axisw", .sid = TEGRA186_SID_GPCDMA_0, .regs = { - .override = 0x468, - .security = 0x46c, + .sid = { + .override = 0x468, + .security = 0x46c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_EQOSR, .name = "eqosr", .sid = TEGRA186_SID_EQOS, .regs = { - .override = 0x470, - .security = 0x474, + .sid = { + .override = 0x470, + .security = 0x474, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_EQOSW, .name = "eqosw", .sid = TEGRA186_SID_EQOS, .regs = { - .override = 0x478, - .security = 0x47c, + .sid = { + .override = 0x478, + .security = 0x47c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_UFSHCR, .name = "ufshcr", .sid = TEGRA186_SID_UFSHC, .regs = { - .override = 0x480, - .security = 0x484, + .sid = { + .override = 0x480, + .security = 0x484, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_UFSHCW, .name = "ufshcw", .sid = TEGRA186_SID_UFSHC, .regs = { - .override = 0x488, - .security = 0x48c, + .sid = { + .override = 0x488, + .security = 0x48c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVDISPLAYR, .name = "nvdisplayr", .sid = TEGRA186_SID_NVDISPLAY, .regs = { - .override = 0x490, - .security = 0x494, + .sid = { + .override = 0x490, + .security = 0x494, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_BPMPR, .name = "bpmpr", .sid = TEGRA186_SID_BPMP, .regs = { - .override = 0x498, - .security = 0x49c, + .sid = { + .override = 0x498, + .security = 0x49c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_BPMPW, .name = "bpmpw", .sid = TEGRA186_SID_BPMP, .regs = { - .override = 0x4a0, - .security = 0x4a4, + .sid = { + .override = 0x4a0, + .security = 0x4a4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_BPMPDMAR, .name = "bpmpdmar", .sid = TEGRA186_SID_BPMP, .regs = { - .override = 0x4a8, - .security = 0x4ac, + .sid = { + .override = 0x4a8, + .security = 0x4ac, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_BPMPDMAW, .name = "bpmpdmaw", .sid = TEGRA186_SID_BPMP, .regs = { - .override = 0x4b0, - .security = 0x4b4, + .sid = { + .override = 0x4b0, + .security = 0x4b4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_AONR, .name = "aonr", .sid = TEGRA186_SID_AON, .regs = { - .override = 0x4b8, - .security = 0x4bc, + .sid = { + .override = 0x4b8, + .security = 0x4bc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_AONW, .name = "aonw", .sid = TEGRA186_SID_AON, .regs = { - .override = 0x4c0, - .security = 0x4c4, + .sid = { + .override = 0x4c0, + .security = 0x4c4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_AONDMAR, .name = "aondmar", .sid = TEGRA186_SID_AON, .regs = { - .override = 0x4c8, - .security = 0x4cc, + .sid = { + .override = 0x4c8, + .security = 0x4cc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_AONDMAW, .name = "aondmaw", .sid = TEGRA186_SID_AON, .regs = { - .override = 0x4d0, - .security = 0x4d4, + .sid = { + .override = 0x4d0, + .security = 0x4d4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SCER, .name = "scer", .sid = TEGRA186_SID_SCE, .regs = { - .override = 0x4d8, - .security = 0x4dc, + .sid = { + .override = 0x4d8, + .security = 0x4dc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SCEW, .name = "scew", .sid = TEGRA186_SID_SCE, .regs = { - .override = 0x4e0, - .security = 0x4e4, + .sid = { + .override = 0x4e0, + .security = 0x4e4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SCEDMAR, .name = "scedmar", .sid = TEGRA186_SID_SCE, .regs = { - .override = 0x4e8, - .security = 0x4ec, + .sid = { + .override = 0x4e8, + .security = 0x4ec, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_SCEDMAW, .name = "scedmaw", .sid = TEGRA186_SID_SCE, .regs = { - .override = 0x4f0, - .security = 0x4f4, + .sid = { + .override = 0x4f0, + .security = 0x4f4, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_APEDMAR, .name = "apedmar", .sid = TEGRA186_SID_APE, .regs = { - .override = 0x4f8, - .security = 0x4fc, + .sid = { + .override = 0x4f8, + .security = 0x4fc, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_APEDMAW, .name = "apedmaw", .sid = TEGRA186_SID_APE, .regs = { - .override = 0x500, - .security = 0x504, + .sid = { + .override = 0x500, + .security = 0x504, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVDISPLAYR1, .name = "nvdisplayr1", .sid = TEGRA186_SID_NVDISPLAY, .regs = { - .override = 0x508, - .security = 0x50c, + .sid = { + .override = 0x508, + .security = 0x50c, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_VICSRD1, .name = "vicsrd1", .sid = TEGRA186_SID_VIC, .regs = { - .override = 0x510, - .security = 0x514, + .sid = { + .override = 0x510, + .security = 0x514, + }, }, }, { + .id = TEGRA186_MEMORY_CLIENT_NVDECSRD1, .name = "nvdecsrd1", .sid = TEGRA186_SID_NVDEC, .regs = { - .override = 0x518, - .security = 0x51c, + .sid = { + .override = 0x518, + .security = 0x51c, + }, }, }, }; -static int tegra186_mc_probe(struct platform_device *pdev) -{ - struct resource *res; - struct tegra_mc *mc; - unsigned int i; - int err = 0; - - mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL); - if (!mc) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mc->regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mc->regs)) - return PTR_ERR(mc->regs); - - mc->dev = &pdev->dev; - - for (i = 0; i < ARRAY_SIZE(tegra186_mc_clients); i++) { - const struct tegra_mc_client *client = &tegra186_mc_clients[i]; - u32 override, security; - - override = readl(mc->regs + client->regs.override); - security = readl(mc->regs + client->regs.security); - - dev_dbg(&pdev->dev, "client %s: override: %x security: %x\n", - client->name, override, security); - - dev_dbg(&pdev->dev, "setting SID %u for %s\n", client->sid, - client->name); - writel(client->sid, mc->regs + client->regs.override); - - override = readl(mc->regs + client->regs.override); - security = readl(mc->regs + client->regs.security); - - dev_dbg(&pdev->dev, "client %s: override: %x security: %x\n", - client->name, override, security); - } - - platform_set_drvdata(pdev, mc); - - return err; -} - -static const struct of_device_id tegra186_mc_of_match[] = { - { .compatible = "nvidia,tegra186-mc", }, - { /* sentinel */ } +const struct tegra_mc_soc tegra186_mc_soc = { + .num_clients = ARRAY_SIZE(tegra186_mc_clients), + .clients = tegra186_mc_clients, + .num_address_bits = 40, + .num_channels = 4, + .client_id_mask = 0xff, + .intmask = MC_INT_DECERR_GENERALIZED_CARVEOUT | MC_INT_DECERR_MTS | + MC_INT_SECERR_SEC | MC_INT_DECERR_VPR | + MC_INT_SECURITY_VIOLATION | MC_INT_DECERR_EMEM, + .ops = &tegra186_mc_ops, + .ch_intmask = 0x0000000f, + .global_intstatus_channel_shift = 0, }; -MODULE_DEVICE_TABLE(of, tegra186_mc_of_match); - -static struct platform_driver tegra186_mc_driver = { - .driver = { - .name = "tegra186-mc", - .of_match_table = tegra186_mc_of_match, - .suppress_bind_attrs = true, - }, - .prevent_deferred_probe = true, - .probe = tegra186_mc_probe, -}; -module_platform_driver(tegra186_mc_driver); - -MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>"); -MODULE_DESCRIPTION("NVIDIA Tegra186 Memory Controller driver"); -MODULE_LICENSE("GPL v2"); +#endif |