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Diffstat (limited to 'drivers/soc/qcom/socinfo.c')
-rw-r--r--drivers/soc/qcom/socinfo.c802
1 files changed, 802 insertions, 0 deletions
diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
new file mode 100644
index 0000000000..497cfb720f
--- /dev/null
+++ b/drivers/soc/qcom/socinfo.c
@@ -0,0 +1,802 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2009-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2019, Linaro Ltd.
+ */
+
+#include <linux/debugfs.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/random.h>
+#include <linux/slab.h>
+#include <linux/soc/qcom/smem.h>
+#include <linux/soc/qcom/socinfo.h>
+#include <linux/string.h>
+#include <linux/stringify.h>
+#include <linux/sys_soc.h>
+#include <linux/types.h>
+
+#include <asm/unaligned.h>
+
+#include <dt-bindings/arm/qcom,ids.h>
+
+/*
+ * SoC version type with major number in the upper 16 bits and minor
+ * number in the lower 16 bits.
+ */
+#define SOCINFO_MAJOR(ver) (((ver) >> 16) & 0xffff)
+#define SOCINFO_MINOR(ver) ((ver) & 0xffff)
+#define SOCINFO_VERSION(maj, min) ((((maj) & 0xffff) << 16)|((min) & 0xffff))
+
+/* Helper macros to create soc_id table */
+#define qcom_board_id(id) QCOM_ID_ ## id, __stringify(id)
+#define qcom_board_id_named(id, name) QCOM_ID_ ## id, (name)
+
+#ifdef CONFIG_DEBUG_FS
+#define SMEM_IMAGE_VERSION_BLOCKS_COUNT 32
+#define SMEM_IMAGE_VERSION_SIZE 4096
+#define SMEM_IMAGE_VERSION_NAME_SIZE 75
+#define SMEM_IMAGE_VERSION_VARIANT_SIZE 20
+#define SMEM_IMAGE_VERSION_OEM_SIZE 32
+
+/*
+ * SMEM Image table indices
+ */
+#define SMEM_IMAGE_TABLE_BOOT_INDEX 0
+#define SMEM_IMAGE_TABLE_TZ_INDEX 1
+#define SMEM_IMAGE_TABLE_RPM_INDEX 3
+#define SMEM_IMAGE_TABLE_APPS_INDEX 10
+#define SMEM_IMAGE_TABLE_MPSS_INDEX 11
+#define SMEM_IMAGE_TABLE_ADSP_INDEX 12
+#define SMEM_IMAGE_TABLE_CNSS_INDEX 13
+#define SMEM_IMAGE_TABLE_VIDEO_INDEX 14
+#define SMEM_IMAGE_VERSION_TABLE 469
+
+/*
+ * SMEM Image table names
+ */
+static const char *const socinfo_image_names[] = {
+ [SMEM_IMAGE_TABLE_ADSP_INDEX] = "adsp",
+ [SMEM_IMAGE_TABLE_APPS_INDEX] = "apps",
+ [SMEM_IMAGE_TABLE_BOOT_INDEX] = "boot",
+ [SMEM_IMAGE_TABLE_CNSS_INDEX] = "cnss",
+ [SMEM_IMAGE_TABLE_MPSS_INDEX] = "mpss",
+ [SMEM_IMAGE_TABLE_RPM_INDEX] = "rpm",
+ [SMEM_IMAGE_TABLE_TZ_INDEX] = "tz",
+ [SMEM_IMAGE_TABLE_VIDEO_INDEX] = "video",
+};
+
+static const char *const pmic_models[] = {
+ [0] = "Unknown PMIC model",
+ [1] = "PM8941",
+ [2] = "PM8841",
+ [3] = "PM8019",
+ [4] = "PM8226",
+ [5] = "PM8110",
+ [6] = "PMA8084",
+ [7] = "PMI8962",
+ [8] = "PMD9635",
+ [9] = "PM8994",
+ [10] = "PMI8994",
+ [11] = "PM8916",
+ [12] = "PM8004",
+ [13] = "PM8909/PM8058",
+ [14] = "PM8028",
+ [15] = "PM8901",
+ [16] = "PM8950/PM8027",
+ [17] = "PMI8950/ISL9519",
+ [18] = "PMK8001/PM8921",
+ [19] = "PMI8996/PM8018",
+ [20] = "PM8998/PM8015",
+ [21] = "PMI8998/PM8014",
+ [22] = "PM8821",
+ [23] = "PM8038",
+ [24] = "PM8005/PM8922",
+ [25] = "PM8917",
+ [26] = "PM660L",
+ [27] = "PM660",
+ [30] = "PM8150",
+ [31] = "PM8150L",
+ [32] = "PM8150B",
+ [33] = "PMK8002",
+ [36] = "PM8009",
+ [37] = "PMI632",
+ [38] = "PM8150C",
+ [40] = "PM6150",
+ [41] = "SMB2351",
+ [44] = "PM8008",
+ [45] = "PM6125",
+ [46] = "PM7250B",
+ [47] = "PMK8350",
+ [48] = "PM8350",
+ [49] = "PM8350C",
+ [50] = "PM8350B",
+ [51] = "PMR735A",
+ [52] = "PMR735B",
+ [55] = "PM2250",
+ [58] = "PM8450",
+ [65] = "PM8010",
+};
+
+struct socinfo_params {
+ u32 raw_device_family;
+ u32 hw_plat_subtype;
+ u32 accessory_chip;
+ u32 raw_device_num;
+ u32 chip_family;
+ u32 foundry_id;
+ u32 plat_ver;
+ u32 raw_ver;
+ u32 hw_plat;
+ u32 fmt;
+ u32 nproduct_id;
+ u32 num_clusters;
+ u32 ncluster_array_offset;
+ u32 num_subset_parts;
+ u32 nsubset_parts_array_offset;
+ u32 nmodem_supported;
+ u32 feature_code;
+ u32 pcode;
+ u32 oem_variant;
+ u32 num_func_clusters;
+ u32 boot_cluster;
+ u32 boot_core;
+};
+
+struct smem_image_version {
+ char name[SMEM_IMAGE_VERSION_NAME_SIZE];
+ char variant[SMEM_IMAGE_VERSION_VARIANT_SIZE];
+ char pad;
+ char oem[SMEM_IMAGE_VERSION_OEM_SIZE];
+};
+#endif /* CONFIG_DEBUG_FS */
+
+struct qcom_socinfo {
+ struct soc_device *soc_dev;
+ struct soc_device_attribute attr;
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *dbg_root;
+ struct socinfo_params info;
+#endif /* CONFIG_DEBUG_FS */
+};
+
+struct soc_id {
+ unsigned int id;
+ const char *name;
+};
+
+static const struct soc_id soc_id[] = {
+ { qcom_board_id(MSM8260) },
+ { qcom_board_id(MSM8660) },
+ { qcom_board_id(APQ8060) },
+ { qcom_board_id(MSM8960) },
+ { qcom_board_id(APQ8064) },
+ { qcom_board_id(MSM8930) },
+ { qcom_board_id(MSM8630) },
+ { qcom_board_id(MSM8230) },
+ { qcom_board_id(APQ8030) },
+ { qcom_board_id(MSM8627) },
+ { qcom_board_id(MSM8227) },
+ { qcom_board_id(MSM8660A) },
+ { qcom_board_id(MSM8260A) },
+ { qcom_board_id(APQ8060A) },
+ { qcom_board_id(MSM8974) },
+ { qcom_board_id(MSM8225) },
+ { qcom_board_id(MSM8625) },
+ { qcom_board_id(MPQ8064) },
+ { qcom_board_id(MSM8960AB) },
+ { qcom_board_id(APQ8060AB) },
+ { qcom_board_id(MSM8260AB) },
+ { qcom_board_id(MSM8660AB) },
+ { qcom_board_id(MSM8930AA) },
+ { qcom_board_id(MSM8630AA) },
+ { qcom_board_id(MSM8230AA) },
+ { qcom_board_id(MSM8626) },
+ { qcom_board_id(MSM8610) },
+ { qcom_board_id(APQ8064AB) },
+ { qcom_board_id(MSM8930AB) },
+ { qcom_board_id(MSM8630AB) },
+ { qcom_board_id(MSM8230AB) },
+ { qcom_board_id(APQ8030AB) },
+ { qcom_board_id(MSM8226) },
+ { qcom_board_id(MSM8526) },
+ { qcom_board_id(APQ8030AA) },
+ { qcom_board_id(MSM8110) },
+ { qcom_board_id(MSM8210) },
+ { qcom_board_id(MSM8810) },
+ { qcom_board_id(MSM8212) },
+ { qcom_board_id(MSM8612) },
+ { qcom_board_id(MSM8112) },
+ { qcom_board_id(MSM8125) },
+ { qcom_board_id(MSM8225Q) },
+ { qcom_board_id(MSM8625Q) },
+ { qcom_board_id(MSM8125Q) },
+ { qcom_board_id(APQ8064AA) },
+ { qcom_board_id(APQ8084) },
+ { qcom_board_id(MSM8130) },
+ { qcom_board_id(MSM8130AA) },
+ { qcom_board_id(MSM8130AB) },
+ { qcom_board_id(MSM8627AA) },
+ { qcom_board_id(MSM8227AA) },
+ { qcom_board_id(APQ8074) },
+ { qcom_board_id(MSM8274) },
+ { qcom_board_id(MSM8674) },
+ { qcom_board_id(MDM9635) },
+ { qcom_board_id_named(MSM8974PRO_AC, "MSM8974PRO-AC") },
+ { qcom_board_id(MSM8126) },
+ { qcom_board_id(APQ8026) },
+ { qcom_board_id(MSM8926) },
+ { qcom_board_id(IPQ8062) },
+ { qcom_board_id(IPQ8064) },
+ { qcom_board_id(IPQ8066) },
+ { qcom_board_id(IPQ8068) },
+ { qcom_board_id(MSM8326) },
+ { qcom_board_id(MSM8916) },
+ { qcom_board_id(MSM8994) },
+ { qcom_board_id_named(APQ8074PRO_AA, "APQ8074PRO-AA") },
+ { qcom_board_id_named(APQ8074PRO_AB, "APQ8074PRO-AB") },
+ { qcom_board_id_named(APQ8074PRO_AC, "APQ8074PRO-AC") },
+ { qcom_board_id_named(MSM8274PRO_AA, "MSM8274PRO-AA") },
+ { qcom_board_id_named(MSM8274PRO_AB, "MSM8274PRO-AB") },
+ { qcom_board_id_named(MSM8274PRO_AC, "MSM8274PRO-AC") },
+ { qcom_board_id_named(MSM8674PRO_AA, "MSM8674PRO-AA") },
+ { qcom_board_id_named(MSM8674PRO_AB, "MSM8674PRO-AB") },
+ { qcom_board_id_named(MSM8674PRO_AC, "MSM8674PRO-AC") },
+ { qcom_board_id_named(MSM8974PRO_AA, "MSM8974PRO-AA") },
+ { qcom_board_id_named(MSM8974PRO_AB, "MSM8974PRO-AB") },
+ { qcom_board_id(APQ8028) },
+ { qcom_board_id(MSM8128) },
+ { qcom_board_id(MSM8228) },
+ { qcom_board_id(MSM8528) },
+ { qcom_board_id(MSM8628) },
+ { qcom_board_id(MSM8928) },
+ { qcom_board_id(MSM8510) },
+ { qcom_board_id(MSM8512) },
+ { qcom_board_id(MSM8936) },
+ { qcom_board_id(MDM9640) },
+ { qcom_board_id(MSM8939) },
+ { qcom_board_id(APQ8036) },
+ { qcom_board_id(APQ8039) },
+ { qcom_board_id(MSM8236) },
+ { qcom_board_id(MSM8636) },
+ { qcom_board_id(MSM8909) },
+ { qcom_board_id(MSM8996) },
+ { qcom_board_id(APQ8016) },
+ { qcom_board_id(MSM8216) },
+ { qcom_board_id(MSM8116) },
+ { qcom_board_id(MSM8616) },
+ { qcom_board_id(MSM8992) },
+ { qcom_board_id(APQ8092) },
+ { qcom_board_id(APQ8094) },
+ { qcom_board_id(MSM8209) },
+ { qcom_board_id(MSM8208) },
+ { qcom_board_id(MDM9209) },
+ { qcom_board_id(MDM9309) },
+ { qcom_board_id(MDM9609) },
+ { qcom_board_id(MSM8239) },
+ { qcom_board_id(MSM8952) },
+ { qcom_board_id(APQ8009) },
+ { qcom_board_id(MSM8956) },
+ { qcom_board_id(MSM8929) },
+ { qcom_board_id(MSM8629) },
+ { qcom_board_id(MSM8229) },
+ { qcom_board_id(APQ8029) },
+ { qcom_board_id(APQ8056) },
+ { qcom_board_id(MSM8609) },
+ { qcom_board_id(APQ8076) },
+ { qcom_board_id(MSM8976) },
+ { qcom_board_id(IPQ8065) },
+ { qcom_board_id(IPQ8069) },
+ { qcom_board_id(MDM9650) },
+ { qcom_board_id(MDM9655) },
+ { qcom_board_id(MDM9250) },
+ { qcom_board_id(MDM9255) },
+ { qcom_board_id(MDM9350) },
+ { qcom_board_id(APQ8052) },
+ { qcom_board_id(MDM9607) },
+ { qcom_board_id(APQ8096) },
+ { qcom_board_id(MSM8998) },
+ { qcom_board_id(MSM8953) },
+ { qcom_board_id(MSM8937) },
+ { qcom_board_id(APQ8037) },
+ { qcom_board_id(MDM8207) },
+ { qcom_board_id(MDM9207) },
+ { qcom_board_id(MDM9307) },
+ { qcom_board_id(MDM9628) },
+ { qcom_board_id(MSM8909W) },
+ { qcom_board_id(APQ8009W) },
+ { qcom_board_id(MSM8996L) },
+ { qcom_board_id(MSM8917) },
+ { qcom_board_id(APQ8053) },
+ { qcom_board_id(MSM8996SG) },
+ { qcom_board_id(APQ8017) },
+ { qcom_board_id(MSM8217) },
+ { qcom_board_id(MSM8617) },
+ { qcom_board_id(MSM8996AU) },
+ { qcom_board_id(APQ8096AU) },
+ { qcom_board_id(APQ8096SG) },
+ { qcom_board_id(MSM8940) },
+ { qcom_board_id(SDX201) },
+ { qcom_board_id(SDM660) },
+ { qcom_board_id(SDM630) },
+ { qcom_board_id(APQ8098) },
+ { qcom_board_id(MSM8920) },
+ { qcom_board_id(SDM845) },
+ { qcom_board_id(MDM9206) },
+ { qcom_board_id(IPQ8074) },
+ { qcom_board_id(SDA660) },
+ { qcom_board_id(SDM658) },
+ { qcom_board_id(SDA658) },
+ { qcom_board_id(SDA630) },
+ { qcom_board_id(MSM8905) },
+ { qcom_board_id(SDX202) },
+ { qcom_board_id(SDM450) },
+ { qcom_board_id(SM8150) },
+ { qcom_board_id(SDA845) },
+ { qcom_board_id(IPQ8072) },
+ { qcom_board_id(IPQ8076) },
+ { qcom_board_id(IPQ8078) },
+ { qcom_board_id(SDM636) },
+ { qcom_board_id(SDA636) },
+ { qcom_board_id(SDM632) },
+ { qcom_board_id(SDA632) },
+ { qcom_board_id(SDA450) },
+ { qcom_board_id(SDM439) },
+ { qcom_board_id(SDM429) },
+ { qcom_board_id(SM8250) },
+ { qcom_board_id(SA8155) },
+ { qcom_board_id(SDA439) },
+ { qcom_board_id(SDA429) },
+ { qcom_board_id(SM7150) },
+ { qcom_board_id(IPQ8070) },
+ { qcom_board_id(IPQ8071) },
+ { qcom_board_id(QM215) },
+ { qcom_board_id(IPQ8072A) },
+ { qcom_board_id(IPQ8074A) },
+ { qcom_board_id(IPQ8076A) },
+ { qcom_board_id(IPQ8078A) },
+ { qcom_board_id(SM6125) },
+ { qcom_board_id(IPQ8070A) },
+ { qcom_board_id(IPQ8071A) },
+ { qcom_board_id(IPQ6018) },
+ { qcom_board_id(IPQ6028) },
+ { qcom_board_id(SDM429W) },
+ { qcom_board_id(SM4250) },
+ { qcom_board_id(IPQ6000) },
+ { qcom_board_id(IPQ6010) },
+ { qcom_board_id(SC7180) },
+ { qcom_board_id(SM6350) },
+ { qcom_board_id(QCM2150) },
+ { qcom_board_id(SDA429W) },
+ { qcom_board_id(SM8350) },
+ { qcom_board_id(QCM2290) },
+ { qcom_board_id(SM7125) },
+ { qcom_board_id(SM6115) },
+ { qcom_board_id(IPQ5010) },
+ { qcom_board_id(IPQ5018) },
+ { qcom_board_id(IPQ5028) },
+ { qcom_board_id(SC8280XP) },
+ { qcom_board_id(IPQ6005) },
+ { qcom_board_id(QRB5165) },
+ { qcom_board_id(SM8450) },
+ { qcom_board_id(SM7225) },
+ { qcom_board_id(SA8295P) },
+ { qcom_board_id(SA8540P) },
+ { qcom_board_id(QCM4290) },
+ { qcom_board_id(QCS4290) },
+ { qcom_board_id_named(SM8450_2, "SM8450") },
+ { qcom_board_id_named(SM8450_3, "SM8450") },
+ { qcom_board_id(SC7280) },
+ { qcom_board_id(SC7180P) },
+ { qcom_board_id(IPQ5000) },
+ { qcom_board_id(IPQ0509) },
+ { qcom_board_id(IPQ0518) },
+ { qcom_board_id(SM6375) },
+ { qcom_board_id(IPQ9514) },
+ { qcom_board_id(IPQ9550) },
+ { qcom_board_id(IPQ9554) },
+ { qcom_board_id(IPQ9570) },
+ { qcom_board_id(IPQ9574) },
+ { qcom_board_id(SM8550) },
+ { qcom_board_id(IPQ5016) },
+ { qcom_board_id(IPQ9510) },
+ { qcom_board_id(QRB4210) },
+ { qcom_board_id(QRB2210) },
+ { qcom_board_id(SA8775P) },
+ { qcom_board_id(QRU1000) },
+ { qcom_board_id(QDU1000) },
+ { qcom_board_id(SM4450) },
+ { qcom_board_id(QDU1010) },
+ { qcom_board_id(QRU1032) },
+ { qcom_board_id(QRU1052) },
+ { qcom_board_id(QRU1062) },
+ { qcom_board_id(IPQ5332) },
+ { qcom_board_id(IPQ5322) },
+ { qcom_board_id(IPQ5312) },
+ { qcom_board_id(IPQ5302) },
+ { qcom_board_id(IPQ5300) },
+};
+
+static const char *socinfo_machine(struct device *dev, unsigned int id)
+{
+ int idx;
+
+ for (idx = 0; idx < ARRAY_SIZE(soc_id); idx++) {
+ if (soc_id[idx].id == id)
+ return soc_id[idx].name;
+ }
+
+ return NULL;
+}
+
+#ifdef CONFIG_DEBUG_FS
+
+#define QCOM_OPEN(name, _func) \
+static int qcom_open_##name(struct inode *inode, struct file *file) \
+{ \
+ return single_open(file, _func, inode->i_private); \
+} \
+ \
+static const struct file_operations qcom_ ##name## _ops = { \
+ .open = qcom_open_##name, \
+ .read = seq_read, \
+ .llseek = seq_lseek, \
+ .release = single_release, \
+}
+
+#define DEBUGFS_ADD(info, name) \
+ debugfs_create_file(__stringify(name), 0444, \
+ qcom_socinfo->dbg_root, \
+ info, &qcom_ ##name## _ops)
+
+
+static int qcom_show_build_id(struct seq_file *seq, void *p)
+{
+ struct socinfo *socinfo = seq->private;
+
+ seq_printf(seq, "%s\n", socinfo->build_id);
+
+ return 0;
+}
+
+static int qcom_show_pmic_model(struct seq_file *seq, void *p)
+{
+ struct socinfo *socinfo = seq->private;
+ int model = SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_model));
+
+ if (model < 0)
+ return -EINVAL;
+
+ if (model < ARRAY_SIZE(pmic_models) && pmic_models[model])
+ seq_printf(seq, "%s\n", pmic_models[model]);
+ else
+ seq_printf(seq, "unknown (%d)\n", model);
+
+ return 0;
+}
+
+static int qcom_show_pmic_model_array(struct seq_file *seq, void *p)
+{
+ struct socinfo *socinfo = seq->private;
+ unsigned int num_pmics = le32_to_cpu(socinfo->num_pmics);
+ unsigned int pmic_array_offset = le32_to_cpu(socinfo->pmic_array_offset);
+ int i;
+ void *ptr = socinfo;
+
+ ptr += pmic_array_offset;
+
+ /* No need for bounds checking, it happened at socinfo_debugfs_init */
+ for (i = 0; i < num_pmics; i++) {
+ unsigned int model = SOCINFO_MINOR(get_unaligned_le32(ptr + 2 * i * sizeof(u32)));
+ unsigned int die_rev = get_unaligned_le32(ptr + (2 * i + 1) * sizeof(u32));
+
+ if (model < ARRAY_SIZE(pmic_models) && pmic_models[model])
+ seq_printf(seq, "%s %u.%u\n", pmic_models[model],
+ SOCINFO_MAJOR(die_rev),
+ SOCINFO_MINOR(die_rev));
+ else
+ seq_printf(seq, "unknown (%d)\n", model);
+ }
+
+ return 0;
+}
+
+static int qcom_show_pmic_die_revision(struct seq_file *seq, void *p)
+{
+ struct socinfo *socinfo = seq->private;
+
+ seq_printf(seq, "%u.%u\n",
+ SOCINFO_MAJOR(le32_to_cpu(socinfo->pmic_die_rev)),
+ SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_die_rev)));
+
+ return 0;
+}
+
+static int qcom_show_chip_id(struct seq_file *seq, void *p)
+{
+ struct socinfo *socinfo = seq->private;
+
+ seq_printf(seq, "%s\n", socinfo->chip_id);
+
+ return 0;
+}
+
+QCOM_OPEN(build_id, qcom_show_build_id);
+QCOM_OPEN(pmic_model, qcom_show_pmic_model);
+QCOM_OPEN(pmic_model_array, qcom_show_pmic_model_array);
+QCOM_OPEN(pmic_die_rev, qcom_show_pmic_die_revision);
+QCOM_OPEN(chip_id, qcom_show_chip_id);
+
+#define DEFINE_IMAGE_OPS(type) \
+static int show_image_##type(struct seq_file *seq, void *p) \
+{ \
+ struct smem_image_version *image_version = seq->private; \
+ if (image_version->type[0] != '\0') \
+ seq_printf(seq, "%s\n", image_version->type); \
+ return 0; \
+} \
+static int open_image_##type(struct inode *inode, struct file *file) \
+{ \
+ return single_open(file, show_image_##type, inode->i_private); \
+} \
+ \
+static const struct file_operations qcom_image_##type##_ops = { \
+ .open = open_image_##type, \
+ .read = seq_read, \
+ .llseek = seq_lseek, \
+ .release = single_release, \
+}
+
+DEFINE_IMAGE_OPS(name);
+DEFINE_IMAGE_OPS(variant);
+DEFINE_IMAGE_OPS(oem);
+
+static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
+ struct socinfo *info, size_t info_size)
+{
+ struct smem_image_version *versions;
+ struct dentry *dentry;
+ size_t size;
+ int i;
+ unsigned int num_pmics;
+ unsigned int pmic_array_offset;
+
+ qcom_socinfo->dbg_root = debugfs_create_dir("qcom_socinfo", NULL);
+
+ qcom_socinfo->info.fmt = __le32_to_cpu(info->fmt);
+
+ debugfs_create_x32("info_fmt", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.fmt);
+
+ switch (qcom_socinfo->info.fmt) {
+ case SOCINFO_VERSION(0, 19):
+ qcom_socinfo->info.num_func_clusters = __le32_to_cpu(info->num_func_clusters);
+ qcom_socinfo->info.boot_cluster = __le32_to_cpu(info->boot_cluster);
+ qcom_socinfo->info.boot_core = __le32_to_cpu(info->boot_core);
+
+ debugfs_create_u32("num_func_clusters", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.num_func_clusters);
+ debugfs_create_u32("boot_cluster", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.boot_cluster);
+ debugfs_create_u32("boot_core", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.boot_core);
+ fallthrough;
+ case SOCINFO_VERSION(0, 18):
+ case SOCINFO_VERSION(0, 17):
+ qcom_socinfo->info.oem_variant = __le32_to_cpu(info->oem_variant);
+ debugfs_create_u32("oem_variant", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.oem_variant);
+ fallthrough;
+ case SOCINFO_VERSION(0, 16):
+ qcom_socinfo->info.feature_code = __le32_to_cpu(info->feature_code);
+ qcom_socinfo->info.pcode = __le32_to_cpu(info->pcode);
+
+ debugfs_create_u32("feature_code", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.feature_code);
+ debugfs_create_u32("pcode", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.pcode);
+ fallthrough;
+ case SOCINFO_VERSION(0, 15):
+ qcom_socinfo->info.nmodem_supported = __le32_to_cpu(info->nmodem_supported);
+
+ debugfs_create_u32("nmodem_supported", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.nmodem_supported);
+ fallthrough;
+ case SOCINFO_VERSION(0, 14):
+ qcom_socinfo->info.num_clusters = __le32_to_cpu(info->num_clusters);
+ qcom_socinfo->info.ncluster_array_offset = __le32_to_cpu(info->ncluster_array_offset);
+ qcom_socinfo->info.num_subset_parts = __le32_to_cpu(info->num_subset_parts);
+ qcom_socinfo->info.nsubset_parts_array_offset =
+ __le32_to_cpu(info->nsubset_parts_array_offset);
+
+ debugfs_create_u32("num_clusters", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.num_clusters);
+ debugfs_create_u32("ncluster_array_offset", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.ncluster_array_offset);
+ debugfs_create_u32("num_subset_parts", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.num_subset_parts);
+ debugfs_create_u32("nsubset_parts_array_offset", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.nsubset_parts_array_offset);
+ fallthrough;
+ case SOCINFO_VERSION(0, 13):
+ qcom_socinfo->info.nproduct_id = __le32_to_cpu(info->nproduct_id);
+
+ debugfs_create_u32("nproduct_id", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.nproduct_id);
+ DEBUGFS_ADD(info, chip_id);
+ fallthrough;
+ case SOCINFO_VERSION(0, 12):
+ qcom_socinfo->info.chip_family =
+ __le32_to_cpu(info->chip_family);
+ qcom_socinfo->info.raw_device_family =
+ __le32_to_cpu(info->raw_device_family);
+ qcom_socinfo->info.raw_device_num =
+ __le32_to_cpu(info->raw_device_num);
+
+ debugfs_create_x32("chip_family", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.chip_family);
+ debugfs_create_x32("raw_device_family", 0444,
+ qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.raw_device_family);
+ debugfs_create_x32("raw_device_number", 0444,
+ qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.raw_device_num);
+ fallthrough;
+ case SOCINFO_VERSION(0, 11):
+ num_pmics = le32_to_cpu(info->num_pmics);
+ pmic_array_offset = le32_to_cpu(info->pmic_array_offset);
+ if (pmic_array_offset + 2 * num_pmics * sizeof(u32) <= info_size)
+ DEBUGFS_ADD(info, pmic_model_array);
+ fallthrough;
+ case SOCINFO_VERSION(0, 10):
+ case SOCINFO_VERSION(0, 9):
+ qcom_socinfo->info.foundry_id = __le32_to_cpu(info->foundry_id);
+
+ debugfs_create_u32("foundry_id", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.foundry_id);
+ fallthrough;
+ case SOCINFO_VERSION(0, 8):
+ case SOCINFO_VERSION(0, 7):
+ DEBUGFS_ADD(info, pmic_model);
+ DEBUGFS_ADD(info, pmic_die_rev);
+ fallthrough;
+ case SOCINFO_VERSION(0, 6):
+ qcom_socinfo->info.hw_plat_subtype =
+ __le32_to_cpu(info->hw_plat_subtype);
+
+ debugfs_create_u32("hardware_platform_subtype", 0444,
+ qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.hw_plat_subtype);
+ fallthrough;
+ case SOCINFO_VERSION(0, 5):
+ qcom_socinfo->info.accessory_chip =
+ __le32_to_cpu(info->accessory_chip);
+
+ debugfs_create_u32("accessory_chip", 0444,
+ qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.accessory_chip);
+ fallthrough;
+ case SOCINFO_VERSION(0, 4):
+ qcom_socinfo->info.plat_ver = __le32_to_cpu(info->plat_ver);
+
+ debugfs_create_u32("platform_version", 0444,
+ qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.plat_ver);
+ fallthrough;
+ case SOCINFO_VERSION(0, 3):
+ qcom_socinfo->info.hw_plat = __le32_to_cpu(info->hw_plat);
+
+ debugfs_create_u32("hardware_platform", 0444,
+ qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.hw_plat);
+ fallthrough;
+ case SOCINFO_VERSION(0, 2):
+ qcom_socinfo->info.raw_ver = __le32_to_cpu(info->raw_ver);
+
+ debugfs_create_u32("raw_version", 0444, qcom_socinfo->dbg_root,
+ &qcom_socinfo->info.raw_ver);
+ fallthrough;
+ case SOCINFO_VERSION(0, 1):
+ DEBUGFS_ADD(info, build_id);
+ break;
+ }
+
+ versions = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_IMAGE_VERSION_TABLE,
+ &size);
+
+ for (i = 0; i < ARRAY_SIZE(socinfo_image_names); i++) {
+ if (!socinfo_image_names[i])
+ continue;
+
+ dentry = debugfs_create_dir(socinfo_image_names[i],
+ qcom_socinfo->dbg_root);
+ debugfs_create_file("name", 0444, dentry, &versions[i],
+ &qcom_image_name_ops);
+ debugfs_create_file("variant", 0444, dentry, &versions[i],
+ &qcom_image_variant_ops);
+ debugfs_create_file("oem", 0444, dentry, &versions[i],
+ &qcom_image_oem_ops);
+ }
+}
+
+static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo)
+{
+ debugfs_remove_recursive(qcom_socinfo->dbg_root);
+}
+#else
+static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
+ struct socinfo *info, size_t info_size)
+{
+}
+static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) { }
+#endif /* CONFIG_DEBUG_FS */
+
+static int qcom_socinfo_probe(struct platform_device *pdev)
+{
+ struct qcom_socinfo *qs;
+ struct socinfo *info;
+ size_t item_size;
+
+ info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID,
+ &item_size);
+ if (IS_ERR(info)) {
+ dev_err(&pdev->dev, "Couldn't find socinfo\n");
+ return PTR_ERR(info);
+ }
+
+ qs = devm_kzalloc(&pdev->dev, sizeof(*qs), GFP_KERNEL);
+ if (!qs)
+ return -ENOMEM;
+
+ qs->attr.family = "Snapdragon";
+ qs->attr.machine = socinfo_machine(&pdev->dev,
+ le32_to_cpu(info->id));
+ qs->attr.soc_id = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u",
+ le32_to_cpu(info->id));
+ qs->attr.revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u.%u",
+ SOCINFO_MAJOR(le32_to_cpu(info->ver)),
+ SOCINFO_MINOR(le32_to_cpu(info->ver)));
+ if (offsetof(struct socinfo, serial_num) <= item_size)
+ qs->attr.serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL,
+ "%u",
+ le32_to_cpu(info->serial_num));
+
+ qs->soc_dev = soc_device_register(&qs->attr);
+ if (IS_ERR(qs->soc_dev))
+ return PTR_ERR(qs->soc_dev);
+
+ socinfo_debugfs_init(qs, info, item_size);
+
+ /* Feed the soc specific unique data into entropy pool */
+ add_device_randomness(info, item_size);
+
+ platform_set_drvdata(pdev, qs);
+
+ return 0;
+}
+
+static int qcom_socinfo_remove(struct platform_device *pdev)
+{
+ struct qcom_socinfo *qs = platform_get_drvdata(pdev);
+
+ soc_device_unregister(qs->soc_dev);
+
+ socinfo_debugfs_exit(qs);
+
+ return 0;
+}
+
+static struct platform_driver qcom_socinfo_driver = {
+ .probe = qcom_socinfo_probe,
+ .remove = qcom_socinfo_remove,
+ .driver = {
+ .name = "qcom-socinfo",
+ },
+};
+
+module_platform_driver(qcom_socinfo_driver);
+
+MODULE_DESCRIPTION("Qualcomm SoCinfo driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:qcom-socinfo");