linux-stable/drivers/memory/tegra/tegra186.c
Rob Herring 0b4838717f memory: Explicitly include correct DT includes
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230714174717.4059518-1-robh@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
2023-07-25 22:09:37 +02:00

884 lines
17 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017-2021 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
#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);
unsigned int i;
char name[8];
int err;
mc->bcast_ch_regs = devm_platform_ioremap_resource_byname(pdev, "broadcast");
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;
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 iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct of_phandle_args args;
unsigned int i, index = 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];
if (client->id == args.args[0]) {
u32 sid = fwspec->ids[0] & MC_SID_STREAMID_OVERRIDE_MASK;
tegra186_mc_client_sid_override(mc, client, sid);
}
}
}
index++;
}
#endif
return 0;
}
const struct tegra_mc_ops tegra186_mc_ops = {
.probe = tegra186_mc_probe,
.remove = tegra186_mc_remove,
.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 = {
.sid = {
.override = 0x000,
.security = 0x004,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_AFIR,
.name = "afir",
.sid = TEGRA186_SID_AFI,
.regs = {
.sid = {
.override = 0x070,
.security = 0x074,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_HDAR,
.name = "hdar",
.sid = TEGRA186_SID_HDA,
.regs = {
.sid = {
.override = 0x0a8,
.security = 0x0ac,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_HOST1XDMAR,
.name = "host1xdmar",
.sid = TEGRA186_SID_HOST1X,
.regs = {
.sid = {
.override = 0x0b0,
.security = 0x0b4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVENCSRD,
.name = "nvencsrd",
.sid = TEGRA186_SID_NVENC,
.regs = {
.sid = {
.override = 0x0e0,
.security = 0x0e4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SATAR,
.name = "satar",
.sid = TEGRA186_SID_SATA,
.regs = {
.sid = {
.override = 0x0f8,
.security = 0x0fc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_MPCORER,
.name = "mpcorer",
.sid = TEGRA186_SID_PASSTHROUGH,
.regs = {
.sid = {
.override = 0x138,
.security = 0x13c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVENCSWR,
.name = "nvencswr",
.sid = TEGRA186_SID_NVENC,
.regs = {
.sid = {
.override = 0x158,
.security = 0x15c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_AFIW,
.name = "afiw",
.sid = TEGRA186_SID_AFI,
.regs = {
.sid = {
.override = 0x188,
.security = 0x18c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_HDAW,
.name = "hdaw",
.sid = TEGRA186_SID_HDA,
.regs = {
.sid = {
.override = 0x1a8,
.security = 0x1ac,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_MPCOREW,
.name = "mpcorew",
.sid = TEGRA186_SID_PASSTHROUGH,
.regs = {
.sid = {
.override = 0x1c8,
.security = 0x1cc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SATAW,
.name = "sataw",
.sid = TEGRA186_SID_SATA,
.regs = {
.sid = {
.override = 0x1e8,
.security = 0x1ec,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_ISPRA,
.name = "ispra",
.sid = TEGRA186_SID_ISP,
.regs = {
.sid = {
.override = 0x220,
.security = 0x224,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_ISPWA,
.name = "ispwa",
.sid = TEGRA186_SID_ISP,
.regs = {
.sid = {
.override = 0x230,
.security = 0x234,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_ISPWB,
.name = "ispwb",
.sid = TEGRA186_SID_ISP,
.regs = {
.sid = {
.override = 0x238,
.security = 0x23c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_XUSB_HOSTR,
.name = "xusb_hostr",
.sid = TEGRA186_SID_XUSB_HOST,
.regs = {
.sid = {
.override = 0x250,
.security = 0x254,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_XUSB_HOSTW,
.name = "xusb_hostw",
.sid = TEGRA186_SID_XUSB_HOST,
.regs = {
.sid = {
.override = 0x258,
.security = 0x25c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_XUSB_DEVR,
.name = "xusb_devr",
.sid = TEGRA186_SID_XUSB_DEV,
.regs = {
.sid = {
.override = 0x260,
.security = 0x264,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_XUSB_DEVW,
.name = "xusb_devw",
.sid = TEGRA186_SID_XUSB_DEV,
.regs = {
.sid = {
.override = 0x268,
.security = 0x26c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_TSECSRD,
.name = "tsecsrd",
.sid = TEGRA186_SID_TSEC,
.regs = {
.sid = {
.override = 0x2a0,
.security = 0x2a4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_TSECSWR,
.name = "tsecswr",
.sid = TEGRA186_SID_TSEC,
.regs = {
.sid = {
.override = 0x2a8,
.security = 0x2ac,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_GPUSRD,
.name = "gpusrd",
.sid = TEGRA186_SID_GPU,
.regs = {
.sid = {
.override = 0x2c0,
.security = 0x2c4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_GPUSWR,
.name = "gpuswr",
.sid = TEGRA186_SID_GPU,
.regs = {
.sid = {
.override = 0x2c8,
.security = 0x2cc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SDMMCRA,
.name = "sdmmcra",
.sid = TEGRA186_SID_SDMMC1,
.regs = {
.sid = {
.override = 0x300,
.security = 0x304,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SDMMCRAA,
.name = "sdmmcraa",
.sid = TEGRA186_SID_SDMMC2,
.regs = {
.sid = {
.override = 0x308,
.security = 0x30c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SDMMCR,
.name = "sdmmcr",
.sid = TEGRA186_SID_SDMMC3,
.regs = {
.sid = {
.override = 0x310,
.security = 0x314,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SDMMCRAB,
.name = "sdmmcrab",
.sid = TEGRA186_SID_SDMMC4,
.regs = {
.sid = {
.override = 0x318,
.security = 0x31c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SDMMCWA,
.name = "sdmmcwa",
.sid = TEGRA186_SID_SDMMC1,
.regs = {
.sid = {
.override = 0x320,
.security = 0x324,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SDMMCWAA,
.name = "sdmmcwaa",
.sid = TEGRA186_SID_SDMMC2,
.regs = {
.sid = {
.override = 0x328,
.security = 0x32c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SDMMCW,
.name = "sdmmcw",
.sid = TEGRA186_SID_SDMMC3,
.regs = {
.sid = {
.override = 0x330,
.security = 0x334,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SDMMCWAB,
.name = "sdmmcwab",
.sid = TEGRA186_SID_SDMMC4,
.regs = {
.sid = {
.override = 0x338,
.security = 0x33c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_VICSRD,
.name = "vicsrd",
.sid = TEGRA186_SID_VIC,
.regs = {
.sid = {
.override = 0x360,
.security = 0x364,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_VICSWR,
.name = "vicswr",
.sid = TEGRA186_SID_VIC,
.regs = {
.sid = {
.override = 0x368,
.security = 0x36c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_VIW,
.name = "viw",
.sid = TEGRA186_SID_VI,
.regs = {
.sid = {
.override = 0x390,
.security = 0x394,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVDECSRD,
.name = "nvdecsrd",
.sid = TEGRA186_SID_NVDEC,
.regs = {
.sid = {
.override = 0x3c0,
.security = 0x3c4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVDECSWR,
.name = "nvdecswr",
.sid = TEGRA186_SID_NVDEC,
.regs = {
.sid = {
.override = 0x3c8,
.security = 0x3cc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_APER,
.name = "aper",
.sid = TEGRA186_SID_APE,
.regs = {
.sid = {
.override = 0x3d0,
.security = 0x3d4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_APEW,
.name = "apew",
.sid = TEGRA186_SID_APE,
.regs = {
.sid = {
.override = 0x3d8,
.security = 0x3dc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVJPGSRD,
.name = "nvjpgsrd",
.sid = TEGRA186_SID_NVJPG,
.regs = {
.sid = {
.override = 0x3f0,
.security = 0x3f4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVJPGSWR,
.name = "nvjpgswr",
.sid = TEGRA186_SID_NVJPG,
.regs = {
.sid = {
.override = 0x3f8,
.security = 0x3fc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SESRD,
.name = "sesrd",
.sid = TEGRA186_SID_SE,
.regs = {
.sid = {
.override = 0x400,
.security = 0x404,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SESWR,
.name = "seswr",
.sid = TEGRA186_SID_SE,
.regs = {
.sid = {
.override = 0x408,
.security = 0x40c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_ETRR,
.name = "etrr",
.sid = TEGRA186_SID_ETR,
.regs = {
.sid = {
.override = 0x420,
.security = 0x424,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_ETRW,
.name = "etrw",
.sid = TEGRA186_SID_ETR,
.regs = {
.sid = {
.override = 0x428,
.security = 0x42c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_TSECSRDB,
.name = "tsecsrdb",
.sid = TEGRA186_SID_TSECB,
.regs = {
.sid = {
.override = 0x430,
.security = 0x434,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_TSECSWRB,
.name = "tsecswrb",
.sid = TEGRA186_SID_TSECB,
.regs = {
.sid = {
.override = 0x438,
.security = 0x43c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_GPUSRD2,
.name = "gpusrd2",
.sid = TEGRA186_SID_GPU,
.regs = {
.sid = {
.override = 0x440,
.security = 0x444,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_GPUSWR2,
.name = "gpuswr2",
.sid = TEGRA186_SID_GPU,
.regs = {
.sid = {
.override = 0x448,
.security = 0x44c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_AXISR,
.name = "axisr",
.sid = TEGRA186_SID_GPCDMA_0,
.regs = {
.sid = {
.override = 0x460,
.security = 0x464,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_AXISW,
.name = "axisw",
.sid = TEGRA186_SID_GPCDMA_0,
.regs = {
.sid = {
.override = 0x468,
.security = 0x46c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_EQOSR,
.name = "eqosr",
.sid = TEGRA186_SID_EQOS,
.regs = {
.sid = {
.override = 0x470,
.security = 0x474,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_EQOSW,
.name = "eqosw",
.sid = TEGRA186_SID_EQOS,
.regs = {
.sid = {
.override = 0x478,
.security = 0x47c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_UFSHCR,
.name = "ufshcr",
.sid = TEGRA186_SID_UFSHC,
.regs = {
.sid = {
.override = 0x480,
.security = 0x484,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_UFSHCW,
.name = "ufshcw",
.sid = TEGRA186_SID_UFSHC,
.regs = {
.sid = {
.override = 0x488,
.security = 0x48c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVDISPLAYR,
.name = "nvdisplayr",
.sid = TEGRA186_SID_NVDISPLAY,
.regs = {
.sid = {
.override = 0x490,
.security = 0x494,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_BPMPR,
.name = "bpmpr",
.sid = TEGRA186_SID_BPMP,
.regs = {
.sid = {
.override = 0x498,
.security = 0x49c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_BPMPW,
.name = "bpmpw",
.sid = TEGRA186_SID_BPMP,
.regs = {
.sid = {
.override = 0x4a0,
.security = 0x4a4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_BPMPDMAR,
.name = "bpmpdmar",
.sid = TEGRA186_SID_BPMP,
.regs = {
.sid = {
.override = 0x4a8,
.security = 0x4ac,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_BPMPDMAW,
.name = "bpmpdmaw",
.sid = TEGRA186_SID_BPMP,
.regs = {
.sid = {
.override = 0x4b0,
.security = 0x4b4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_AONR,
.name = "aonr",
.sid = TEGRA186_SID_AON,
.regs = {
.sid = {
.override = 0x4b8,
.security = 0x4bc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_AONW,
.name = "aonw",
.sid = TEGRA186_SID_AON,
.regs = {
.sid = {
.override = 0x4c0,
.security = 0x4c4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_AONDMAR,
.name = "aondmar",
.sid = TEGRA186_SID_AON,
.regs = {
.sid = {
.override = 0x4c8,
.security = 0x4cc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_AONDMAW,
.name = "aondmaw",
.sid = TEGRA186_SID_AON,
.regs = {
.sid = {
.override = 0x4d0,
.security = 0x4d4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SCER,
.name = "scer",
.sid = TEGRA186_SID_SCE,
.regs = {
.sid = {
.override = 0x4d8,
.security = 0x4dc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SCEW,
.name = "scew",
.sid = TEGRA186_SID_SCE,
.regs = {
.sid = {
.override = 0x4e0,
.security = 0x4e4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SCEDMAR,
.name = "scedmar",
.sid = TEGRA186_SID_SCE,
.regs = {
.sid = {
.override = 0x4e8,
.security = 0x4ec,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_SCEDMAW,
.name = "scedmaw",
.sid = TEGRA186_SID_SCE,
.regs = {
.sid = {
.override = 0x4f0,
.security = 0x4f4,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_APEDMAR,
.name = "apedmar",
.sid = TEGRA186_SID_APE,
.regs = {
.sid = {
.override = 0x4f8,
.security = 0x4fc,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_APEDMAW,
.name = "apedmaw",
.sid = TEGRA186_SID_APE,
.regs = {
.sid = {
.override = 0x500,
.security = 0x504,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVDISPLAYR1,
.name = "nvdisplayr1",
.sid = TEGRA186_SID_NVDISPLAY,
.regs = {
.sid = {
.override = 0x508,
.security = 0x50c,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_VICSRD1,
.name = "vicsrd1",
.sid = TEGRA186_SID_VIC,
.regs = {
.sid = {
.override = 0x510,
.security = 0x514,
},
},
}, {
.id = TEGRA186_MEMORY_CLIENT_NVDECSRD1,
.name = "nvdecsrd1",
.sid = TEGRA186_SID_NVDEC,
.regs = {
.sid = {
.override = 0x518,
.security = 0x51c,
},
},
},
};
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,
};
#endif