mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
395 lines
9.7 KiB
395 lines
9.7 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved. |
|
*/ |
|
|
|
#include <linux/device.h> |
|
#include <linux/clk.h> |
|
#include <linux/err.h> |
|
#include <linux/io.h> |
|
#include <linux/kernel.h> |
|
#include <linux/nvmem-consumer.h> |
|
#include <linux/of_device.h> |
|
#include <linux/of_address.h> |
|
#include <linux/platform_device.h> |
|
#include <linux/pm_runtime.h> |
|
#include <linux/random.h> |
|
|
|
#include <soc/tegra/fuse.h> |
|
|
|
#include "fuse.h" |
|
|
|
#define FUSE_BEGIN 0x100 |
|
|
|
/* Tegra30 and later */ |
|
#define FUSE_VENDOR_CODE 0x100 |
|
#define FUSE_FAB_CODE 0x104 |
|
#define FUSE_LOT_CODE_0 0x108 |
|
#define FUSE_LOT_CODE_1 0x10c |
|
#define FUSE_WAFER_ID 0x110 |
|
#define FUSE_X_COORDINATE 0x114 |
|
#define FUSE_Y_COORDINATE 0x118 |
|
|
|
#define FUSE_HAS_REVISION_INFO BIT(0) |
|
|
|
#if defined(CONFIG_ARCH_TEGRA_3x_SOC) || \ |
|
defined(CONFIG_ARCH_TEGRA_114_SOC) || \ |
|
defined(CONFIG_ARCH_TEGRA_124_SOC) || \ |
|
defined(CONFIG_ARCH_TEGRA_132_SOC) || \ |
|
defined(CONFIG_ARCH_TEGRA_210_SOC) || \ |
|
defined(CONFIG_ARCH_TEGRA_186_SOC) || \ |
|
defined(CONFIG_ARCH_TEGRA_194_SOC) || \ |
|
defined(CONFIG_ARCH_TEGRA_234_SOC) |
|
static u32 tegra30_fuse_read_early(struct tegra_fuse *fuse, unsigned int offset) |
|
{ |
|
if (WARN_ON(!fuse->base)) |
|
return 0; |
|
|
|
return readl_relaxed(fuse->base + FUSE_BEGIN + offset); |
|
} |
|
|
|
static u32 tegra30_fuse_read(struct tegra_fuse *fuse, unsigned int offset) |
|
{ |
|
u32 value; |
|
int err; |
|
|
|
err = pm_runtime_resume_and_get(fuse->dev); |
|
if (err) |
|
return 0; |
|
|
|
value = readl_relaxed(fuse->base + FUSE_BEGIN + offset); |
|
|
|
pm_runtime_put(fuse->dev); |
|
|
|
return value; |
|
} |
|
|
|
static void __init tegra30_fuse_add_randomness(void) |
|
{ |
|
u32 randomness[12]; |
|
|
|
randomness[0] = tegra_sku_info.sku_id; |
|
randomness[1] = tegra_read_straps(); |
|
randomness[2] = tegra_read_chipid(); |
|
randomness[3] = tegra_sku_info.cpu_process_id << 16; |
|
randomness[3] |= tegra_sku_info.soc_process_id; |
|
randomness[4] = tegra_sku_info.cpu_speedo_id << 16; |
|
randomness[4] |= tegra_sku_info.soc_speedo_id; |
|
randomness[5] = tegra_fuse_read_early(FUSE_VENDOR_CODE); |
|
randomness[6] = tegra_fuse_read_early(FUSE_FAB_CODE); |
|
randomness[7] = tegra_fuse_read_early(FUSE_LOT_CODE_0); |
|
randomness[8] = tegra_fuse_read_early(FUSE_LOT_CODE_1); |
|
randomness[9] = tegra_fuse_read_early(FUSE_WAFER_ID); |
|
randomness[10] = tegra_fuse_read_early(FUSE_X_COORDINATE); |
|
randomness[11] = tegra_fuse_read_early(FUSE_Y_COORDINATE); |
|
|
|
add_device_randomness(randomness, sizeof(randomness)); |
|
} |
|
|
|
static void __init tegra30_fuse_init(struct tegra_fuse *fuse) |
|
{ |
|
fuse->read_early = tegra30_fuse_read_early; |
|
fuse->read = tegra30_fuse_read; |
|
|
|
tegra_init_revision(); |
|
|
|
if (fuse->soc->speedo_init) |
|
fuse->soc->speedo_init(&tegra_sku_info); |
|
|
|
tegra30_fuse_add_randomness(); |
|
} |
|
#endif |
|
|
|
#ifdef CONFIG_ARCH_TEGRA_3x_SOC |
|
static const struct tegra_fuse_info tegra30_fuse_info = { |
|
.read = tegra30_fuse_read, |
|
.size = 0x2a4, |
|
.spare = 0x144, |
|
}; |
|
|
|
const struct tegra_fuse_soc tegra30_fuse_soc = { |
|
.init = tegra30_fuse_init, |
|
.speedo_init = tegra30_init_speedo_data, |
|
.info = &tegra30_fuse_info, |
|
.soc_attr_group = &tegra_soc_attr_group, |
|
.clk_suspend_on = false, |
|
}; |
|
#endif |
|
|
|
#ifdef CONFIG_ARCH_TEGRA_114_SOC |
|
static const struct tegra_fuse_info tegra114_fuse_info = { |
|
.read = tegra30_fuse_read, |
|
.size = 0x2a0, |
|
.spare = 0x180, |
|
}; |
|
|
|
const struct tegra_fuse_soc tegra114_fuse_soc = { |
|
.init = tegra30_fuse_init, |
|
.speedo_init = tegra114_init_speedo_data, |
|
.info = &tegra114_fuse_info, |
|
.soc_attr_group = &tegra_soc_attr_group, |
|
.clk_suspend_on = false, |
|
}; |
|
#endif |
|
|
|
#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC) |
|
static const struct nvmem_cell_lookup tegra124_fuse_lookups[] = { |
|
{ |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration", |
|
.dev_id = "7009f000.padctl", |
|
.con_id = "calibration", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "sata-calibration", |
|
.dev_id = "70020000.sata", |
|
.con_id = "calibration", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-common", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "common", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-realignment", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "realignment", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-cpu0", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "cpu0", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-cpu1", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "cpu1", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-cpu2", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "cpu2", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-cpu3", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "cpu3", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-mem0", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "mem0", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-mem1", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "mem1", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-gpu", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "gpu", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-pllx", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "pllx", |
|
}, |
|
}; |
|
|
|
static const struct tegra_fuse_info tegra124_fuse_info = { |
|
.read = tegra30_fuse_read, |
|
.size = 0x300, |
|
.spare = 0x200, |
|
}; |
|
|
|
const struct tegra_fuse_soc tegra124_fuse_soc = { |
|
.init = tegra30_fuse_init, |
|
.speedo_init = tegra124_init_speedo_data, |
|
.info = &tegra124_fuse_info, |
|
.lookups = tegra124_fuse_lookups, |
|
.num_lookups = ARRAY_SIZE(tegra124_fuse_lookups), |
|
.soc_attr_group = &tegra_soc_attr_group, |
|
.clk_suspend_on = true, |
|
}; |
|
#endif |
|
|
|
#if defined(CONFIG_ARCH_TEGRA_210_SOC) |
|
static const struct nvmem_cell_lookup tegra210_fuse_lookups[] = { |
|
{ |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-cpu1", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "cpu1", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-cpu2", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "cpu2", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-cpu0", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "cpu0", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration", |
|
.dev_id = "7009f000.padctl", |
|
.con_id = "calibration", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-cpu3", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "cpu3", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "sata-calibration", |
|
.dev_id = "70020000.sata", |
|
.con_id = "calibration", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-gpu", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "gpu", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-mem0", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "mem0", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-mem1", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "mem1", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-pllx", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "pllx", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "tsensor-common", |
|
.dev_id = "700e2000.thermal-sensor", |
|
.con_id = "common", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "gpu-calibration", |
|
.dev_id = "57000000.gpu", |
|
.con_id = "calibration", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration-ext", |
|
.dev_id = "7009f000.padctl", |
|
.con_id = "calibration-ext", |
|
}, |
|
}; |
|
|
|
static const struct tegra_fuse_info tegra210_fuse_info = { |
|
.read = tegra30_fuse_read, |
|
.size = 0x300, |
|
.spare = 0x280, |
|
}; |
|
|
|
const struct tegra_fuse_soc tegra210_fuse_soc = { |
|
.init = tegra30_fuse_init, |
|
.speedo_init = tegra210_init_speedo_data, |
|
.info = &tegra210_fuse_info, |
|
.lookups = tegra210_fuse_lookups, |
|
.num_lookups = ARRAY_SIZE(tegra210_fuse_lookups), |
|
.soc_attr_group = &tegra_soc_attr_group, |
|
.clk_suspend_on = false, |
|
}; |
|
#endif |
|
|
|
#if defined(CONFIG_ARCH_TEGRA_186_SOC) |
|
static const struct nvmem_cell_lookup tegra186_fuse_lookups[] = { |
|
{ |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration", |
|
.dev_id = "3520000.padctl", |
|
.con_id = "calibration", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration-ext", |
|
.dev_id = "3520000.padctl", |
|
.con_id = "calibration-ext", |
|
}, |
|
}; |
|
|
|
static const struct tegra_fuse_info tegra186_fuse_info = { |
|
.read = tegra30_fuse_read, |
|
.size = 0x300, |
|
.spare = 0x280, |
|
}; |
|
|
|
const struct tegra_fuse_soc tegra186_fuse_soc = { |
|
.init = tegra30_fuse_init, |
|
.info = &tegra186_fuse_info, |
|
.lookups = tegra186_fuse_lookups, |
|
.num_lookups = ARRAY_SIZE(tegra186_fuse_lookups), |
|
.soc_attr_group = &tegra_soc_attr_group, |
|
.clk_suspend_on = false, |
|
}; |
|
#endif |
|
|
|
#if defined(CONFIG_ARCH_TEGRA_194_SOC) |
|
static const struct nvmem_cell_lookup tegra194_fuse_lookups[] = { |
|
{ |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration", |
|
.dev_id = "3520000.padctl", |
|
.con_id = "calibration", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration-ext", |
|
.dev_id = "3520000.padctl", |
|
.con_id = "calibration-ext", |
|
}, |
|
}; |
|
|
|
static const struct tegra_fuse_info tegra194_fuse_info = { |
|
.read = tegra30_fuse_read, |
|
.size = 0x300, |
|
.spare = 0x280, |
|
}; |
|
|
|
const struct tegra_fuse_soc tegra194_fuse_soc = { |
|
.init = tegra30_fuse_init, |
|
.info = &tegra194_fuse_info, |
|
.lookups = tegra194_fuse_lookups, |
|
.num_lookups = ARRAY_SIZE(tegra194_fuse_lookups), |
|
.soc_attr_group = &tegra194_soc_attr_group, |
|
.clk_suspend_on = false, |
|
}; |
|
#endif |
|
|
|
#if defined(CONFIG_ARCH_TEGRA_234_SOC) |
|
static const struct nvmem_cell_lookup tegra234_fuse_lookups[] = { |
|
{ |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration", |
|
.dev_id = "3520000.padctl", |
|
.con_id = "calibration", |
|
}, { |
|
.nvmem_name = "fuse", |
|
.cell_name = "xusb-pad-calibration-ext", |
|
.dev_id = "3520000.padctl", |
|
.con_id = "calibration-ext", |
|
}, |
|
}; |
|
|
|
static const struct tegra_fuse_info tegra234_fuse_info = { |
|
.read = tegra30_fuse_read, |
|
.size = 0x300, |
|
.spare = 0x280, |
|
}; |
|
|
|
const struct tegra_fuse_soc tegra234_fuse_soc = { |
|
.init = tegra30_fuse_init, |
|
.info = &tegra234_fuse_info, |
|
.lookups = tegra234_fuse_lookups, |
|
.num_lookups = ARRAY_SIZE(tegra234_fuse_lookups), |
|
.soc_attr_group = &tegra194_soc_attr_group, |
|
.clk_suspend_on = false, |
|
}; |
|
#endif
|
|
|