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android_kernel_samsung_msm8976/drivers/soc/qcom/socinfo.c

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/*
* Copyright (c) 2009-2015, 2017, The Linux Foundation. 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 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
/*
* SOC Info Routines
*
*/
#include <linux/export.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/sys_soc.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/string.h>
#include <linux/types.h>
#include <asm/system_misc.h>
#include <soc/qcom/socinfo.h>
#include <soc/qcom/smem.h>
#include <soc/qcom/boot_stats.h>
#define BUILD_ID_LENGTH 32
#define SMEM_IMAGE_VERSION_BLOCKS_COUNT 32
#define SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE 128
#define SMEM_IMAGE_VERSION_SIZE 4096
#define SMEM_IMAGE_VERSION_NAME_SIZE 75
#define SMEM_IMAGE_VERSION_VARIANT_SIZE 20
#define SMEM_IMAGE_VERSION_VARIANT_OFFSET 75
#define SMEM_IMAGE_VERSION_OEM_SIZE 32
#define SMEM_IMAGE_VERSION_OEM_OFFSET 96
#define SMEM_IMAGE_VERSION_PARTITION_APPS 10
static DECLARE_RWSEM(current_image_rwsem);
enum {
HW_PLATFORM_UNKNOWN = 0,
HW_PLATFORM_SURF = 1,
HW_PLATFORM_FFA = 2,
HW_PLATFORM_FLUID = 3,
HW_PLATFORM_SVLTE_FFA = 4,
HW_PLATFORM_SVLTE_SURF = 5,
HW_PLATFORM_MTP_MDM = 7,
HW_PLATFORM_MTP = 8,
HW_PLATFORM_LIQUID = 9,
/* Dragonboard platform id is assigned as 10 in CDT */
HW_PLATFORM_DRAGON = 10,
HW_PLATFORM_QRD = 11,
HW_PLATFORM_HRD = 13,
HW_PLATFORM_DTV = 14,
HW_PLATFORM_RCM = 21,
HW_PLATFORM_STP = 23,
HW_PLATFORM_SBC = 24,
HW_PLATFORM_INVALID
};
const char *hw_platform[] = {
[HW_PLATFORM_UNKNOWN] = "Unknown",
[HW_PLATFORM_SURF] = "Surf",
[HW_PLATFORM_FFA] = "FFA",
[HW_PLATFORM_FLUID] = "Fluid",
[HW_PLATFORM_SVLTE_FFA] = "SVLTE_FFA",
[HW_PLATFORM_SVLTE_SURF] = "SLVTE_SURF",
[HW_PLATFORM_MTP_MDM] = "MDM_MTP_NO_DISPLAY",
[HW_PLATFORM_MTP] = "MTP",
[HW_PLATFORM_RCM] = "RCM",
[HW_PLATFORM_LIQUID] = "Liquid",
[HW_PLATFORM_DRAGON] = "Dragon",
[HW_PLATFORM_QRD] = "QRD",
[HW_PLATFORM_HRD] = "HRD",
[HW_PLATFORM_DTV] = "DTV",
[HW_PLATFORM_STP] = "STP",
[HW_PLATFORM_SBC] = "SBC",
};
enum {
ACCESSORY_CHIP_UNKNOWN = 0,
ACCESSORY_CHIP_CHARM = 58,
};
enum {
PLATFORM_SUBTYPE_QRD = 0x0,
PLATFORM_SUBTYPE_SKUAA = 0x1,
PLATFORM_SUBTYPE_SKUF = 0x2,
PLATFORM_SUBTYPE_SKUAB = 0x3,
PLATFORM_SUBTYPE_SKUG = 0x5,
PLATFORM_SUBTYPE_POLARIS = 0x40,
PLATFORM_SUBTYPE_QRD_INVALID,
};
const char *qrd_hw_platform_subtype[] = {
[PLATFORM_SUBTYPE_QRD] = "QRD",
[PLATFORM_SUBTYPE_SKUAA] = "SKUAA",
[PLATFORM_SUBTYPE_SKUF] = "SKUF",
[PLATFORM_SUBTYPE_SKUAB] = "SKUAB",
[PLATFORM_SUBTYPE_SKUG] = "SKUG",
[PLATFORM_SUBTYPE_POLARIS] = "POLARIS",
[PLATFORM_SUBTYPE_QRD_INVALID] = "INVALID",
};
enum {
PLATFORM_SUBTYPE_UNKNOWN = 0x0,
PLATFORM_SUBTYPE_CHARM = 0x1,
PLATFORM_SUBTYPE_STRANGE = 0x2,
PLATFORM_SUBTYPE_STRANGE_2A = 0x3,
PLATFORM_SUBTYPE_INVALID,
};
const char *hw_platform_subtype[] = {
[PLATFORM_SUBTYPE_UNKNOWN] = "Unknown",
[PLATFORM_SUBTYPE_CHARM] = "charm",
[PLATFORM_SUBTYPE_STRANGE] = "strange",
[PLATFORM_SUBTYPE_STRANGE_2A] = "strange_2a,"
};
/* Used to parse shared memory. Must match the modem. */
struct socinfo_v1 {
uint32_t format;
uint32_t id;
uint32_t version;
char build_id[BUILD_ID_LENGTH];
};
struct socinfo_v2 {
struct socinfo_v1 v1;
/* only valid when format==2 */
uint32_t raw_id;
uint32_t raw_version;
};
struct socinfo_v3 {
struct socinfo_v2 v2;
/* only valid when format==3 */
uint32_t hw_platform;
};
struct socinfo_v4 {
struct socinfo_v3 v3;
/* only valid when format==4 */
uint32_t platform_version;
};
struct socinfo_v5 {
struct socinfo_v4 v4;
/* only valid when format==5 */
uint32_t accessory_chip;
};
struct socinfo_v6 {
struct socinfo_v5 v5;
/* only valid when format==6 */
uint32_t hw_platform_subtype;
};
struct socinfo_v7 {
struct socinfo_v6 v6;
/* only valid when format==7 */
uint32_t pmic_model;
uint32_t pmic_die_revision;
};
struct socinfo_v8 {
struct socinfo_v7 v7;
/* only valid when format==8*/
uint32_t pmic_model_1;
uint32_t pmic_die_revision_1;
uint32_t pmic_model_2;
uint32_t pmic_die_revision_2;
};
struct socinfo_v9 {
struct socinfo_v8 v8;
/* only valid when format==9*/
uint32_t foundry_id;
};
struct socinfo_v10 {
struct socinfo_v9 v9;
/* only valid when format==10*/
uint32_t serial_number;
};
static union {
struct socinfo_v1 v1;
struct socinfo_v2 v2;
struct socinfo_v3 v3;
struct socinfo_v4 v4;
struct socinfo_v5 v5;
struct socinfo_v6 v6;
struct socinfo_v7 v7;
struct socinfo_v8 v8;
struct socinfo_v9 v9;
struct socinfo_v10 v10;
} *socinfo;
static struct msm_soc_info cpu_of_id[] = {
/* 7x01 IDs */
[0] = {MSM_CPU_UNKNOWN, "Unknown CPU"},
[1] = {MSM_CPU_7X01, "MSM7X01"},
[16] = {MSM_CPU_7X01, "MSM7X01"},
[17] = {MSM_CPU_7X01, "MSM7X01"},
[18] = {MSM_CPU_7X01, "MSM7X01"},
[19] = {MSM_CPU_7X01, "MSM7X01"},
[23] = {MSM_CPU_7X01, "MSM7X01"},
[25] = {MSM_CPU_7X01, "MSM7X01"},
[26] = {MSM_CPU_7X01, "MSM7X01"},
[32] = {MSM_CPU_7X01, "MSM7X01"},
[33] = {MSM_CPU_7X01, "MSM7X01"},
[34] = {MSM_CPU_7X01, "MSM7X01"},
[35] = {MSM_CPU_7X01, "MSM7X01"},
/* 7x25 IDs */
[20] = {MSM_CPU_7X25, "MSM7X25"},
[21] = {MSM_CPU_7X25, "MSM7X25"},
[24] = {MSM_CPU_7X25, "MSM7X25"},
[27] = {MSM_CPU_7X25, "MSM7X25"},
[39] = {MSM_CPU_7X25, "MSM7X25"},
[40] = {MSM_CPU_7X25, "MSM7X25"},
[41] = {MSM_CPU_7X25, "MSM7X25"},
[42] = {MSM_CPU_7X25, "MSM7X25"},
[62] = {MSM_CPU_7X25, "MSM7X25"},
[63] = {MSM_CPU_7X25, "MSM7X25"},
[66] = {MSM_CPU_7X25, "MSM7X25"},
/* 7x27 IDs */
[43] = {MSM_CPU_7X27, "MSM7X27"},
[44] = {MSM_CPU_7X27, "MSM7X27"},
[61] = {MSM_CPU_7X27, "MSM7X27"},
[67] = {MSM_CPU_7X27, "MSM7X27"},
[68] = {MSM_CPU_7X27, "MSM7X27"},
[69] = {MSM_CPU_7X27, "MSM7X27"},
/* 8x50 IDs */
[30] = {MSM_CPU_8X50, "MSM8X50"},
[36] = {MSM_CPU_8X50, "MSM8X50"},
[37] = {MSM_CPU_8X50, "MSM8X50"},
[38] = {MSM_CPU_8X50, "MSM8X50"},
/* 7x30 IDs */
[59] = {MSM_CPU_7X30, "MSM7X30"},
[60] = {MSM_CPU_7X30, "MSM7X30"},
/* 8x55 IDs */
[74] = {MSM_CPU_8X55, "MSM8X55"},
[75] = {MSM_CPU_8X55, "MSM8X55"},
[85] = {MSM_CPU_8X55, "MSM8X55"},
/* 8x60 IDs */
[70] = {MSM_CPU_8X60, "MSM8X60"},
[71] = {MSM_CPU_8X60, "MSM8X60"},
[86] = {MSM_CPU_8X60, "MSM8X60"},
/* 8960 IDs */
[87] = {MSM_CPU_8960, "MSM8960"},
/* 7x25A IDs */
[88] = {MSM_CPU_7X25A, "MSM7X25A"},
[89] = {MSM_CPU_7X25A, "MSM7X25A"},
[96] = {MSM_CPU_7X25A, "MSM7X25A"},
/* 7x27A IDs */
[90] = {MSM_CPU_7X27A, "MSM7X27A"},
[91] = {MSM_CPU_7X27A, "MSM7X27A"},
[92] = {MSM_CPU_7X27A, "MSM7X27A"},
[97] = {MSM_CPU_7X27A, "MSM7X27A"},
/* FSM9xxx ID */
[94] = {FSM_CPU_9XXX, "FSM9XXX"},
[95] = {FSM_CPU_9XXX, "FSM9XXX"},
/* 7x25AA ID */
[98] = {MSM_CPU_7X25AA, "MSM7X25AA"},
[99] = {MSM_CPU_7X25AA, "MSM7X25AA"},
[100] = {MSM_CPU_7X25AA, "MSM7X25AA"},
/* 7x27AA ID */
[101] = {MSM_CPU_7X27AA, "MSM7X27AA"},
[102] = {MSM_CPU_7X27AA, "MSM7X27AA"},
[103] = {MSM_CPU_7X27AA, "MSM7X27AA"},
[136] = {MSM_CPU_7X27AA, "MSM7X27AA"},
/* 9x15 ID */
[104] = {MSM_CPU_9615, "MSM9615"},
[105] = {MSM_CPU_9615, "MSM9615"},
[106] = {MSM_CPU_9615, "MSM9615"},
[107] = {MSM_CPU_9615, "MSM9615"},
[171] = {MSM_CPU_9615, "MSM9615"},
/* 8064 IDs */
[109] = {MSM_CPU_8064, "APQ8064"},
/* 8930 IDs */
[116] = {MSM_CPU_8930, "MSM8930"},
[117] = {MSM_CPU_8930, "MSM8930"},
[118] = {MSM_CPU_8930, "MSM8930"},
[119] = {MSM_CPU_8930, "MSM8930"},
[179] = {MSM_CPU_8930, "MSM8930"},
/* 8627 IDs */
[120] = {MSM_CPU_8627, "MSM8627"},
[121] = {MSM_CPU_8627, "MSM8627"},
/* 8660A ID */
[122] = {MSM_CPU_8960, "MSM8960"},
/* 8260A ID */
[123] = {MSM_CPU_8960, "MSM8960"},
/* 8060A ID */
[124] = {MSM_CPU_8960, "MSM8960"},
/* 8974 IDs */
[126] = {MSM_CPU_8974, "MSM8974"},
[184] = {MSM_CPU_8974, "MSM8974"},
[185] = {MSM_CPU_8974, "MSM8974"},
[186] = {MSM_CPU_8974, "MSM8974"},
/* 8974AA IDs */
[208] = {MSM_CPU_8974PRO_AA, "MSM8974PRO-AA"},
[211] = {MSM_CPU_8974PRO_AA, "MSM8974PRO-AA"},
[214] = {MSM_CPU_8974PRO_AA, "MSM8974PRO-AA"},
[217] = {MSM_CPU_8974PRO_AA, "MSM8974PRO-AA"},
/* 8974AB IDs */
[209] = {MSM_CPU_8974PRO_AB, "MSM8974PRO-AB"},
[212] = {MSM_CPU_8974PRO_AB, "MSM8974PRO-AB"},
[215] = {MSM_CPU_8974PRO_AB, "MSM8974PRO-AB"},
[218] = {MSM_CPU_8974PRO_AB, "MSM8974PRO-AB"},
/* 8974AC IDs */
[194] = {MSM_CPU_8974PRO_AC, "MSM8974PRO-AC"},
[210] = {MSM_CPU_8974PRO_AC, "MSM8974PRO-AC"},
[213] = {MSM_CPU_8974PRO_AC, "MSM8974PRO-AC"},
[216] = {MSM_CPU_8974PRO_AC, "MSM8974PRO-AC"},
/* 8625 IDs */
[127] = {MSM_CPU_8625, "MSM8625"},
[128] = {MSM_CPU_8625, "MSM8625"},
[129] = {MSM_CPU_8625, "MSM8625"},
[137] = {MSM_CPU_8625, "MSM8625"},
[167] = {MSM_CPU_8625, "MSM8625"},
/* 8064 MPQ ID */
[130] = {MSM_CPU_8064, "APQ8064"},
/* 7x25AB IDs */
[131] = {MSM_CPU_7X25AB, "MSM7X25AB"},
[132] = {MSM_CPU_7X25AB, "MSM7X25AB"},
[133] = {MSM_CPU_7X25AB, "MSM7X25AB"},
[135] = {MSM_CPU_7X25AB, "MSM7X25AB"},
/* 9625 IDs */
[134] = {MSM_CPU_9625, "MSM9625"},
[148] = {MSM_CPU_9625, "MSM9625"},
[149] = {MSM_CPU_9625, "MSM9625"},
[150] = {MSM_CPU_9625, "MSM9625"},
[151] = {MSM_CPU_9625, "MSM9625"},
[152] = {MSM_CPU_9625, "MSM9625"},
[173] = {MSM_CPU_9625, "MSM9625"},
[174] = {MSM_CPU_9625, "MSM9625"},
[175] = {MSM_CPU_9625, "MSM9625"},
/* 8960AB IDs */
[138] = {MSM_CPU_8960AB, "MSM8960AB"},
[139] = {MSM_CPU_8960AB, "MSM8960AB"},
[140] = {MSM_CPU_8960AB, "MSM8960AB"},
[141] = {MSM_CPU_8960AB, "MSM8960AB"},
/* 8930AA IDs */
[142] = {MSM_CPU_8930AA, "MSM8930AA"},
[143] = {MSM_CPU_8930AA, "MSM8930AA"},
[144] = {MSM_CPU_8930AA, "MSM8930AA"},
[160] = {MSM_CPU_8930AA, "MSM8930AA"},
[180] = {MSM_CPU_8930AA, "MSM8930AA"},
/* 8226 IDs */
[145] = {MSM_CPU_8226, "MSM8626"},
[158] = {MSM_CPU_8226, "MSM8226"},
[159] = {MSM_CPU_8226, "MSM8526"},
[198] = {MSM_CPU_8226, "MSM8126"},
[199] = {MSM_CPU_8226, "APQ8026"},
[200] = {MSM_CPU_8226, "MSM8926"},
[205] = {MSM_CPU_8226, "MSM8326"},
[219] = {MSM_CPU_8226, "APQ8028"},
[220] = {MSM_CPU_8226, "MSM8128"},
[221] = {MSM_CPU_8226, "MSM8228"},
[222] = {MSM_CPU_8226, "MSM8528"},
[223] = {MSM_CPU_8226, "MSM8628"},
[224] = {MSM_CPU_8226, "MSM8928"},
/* 8610 IDs */
[147] = {MSM_CPU_8610, "MSM8610"},
[161] = {MSM_CPU_8610, "MSM8110"},
[162] = {MSM_CPU_8610, "MSM8210"},
[163] = {MSM_CPU_8610, "MSM8810"},
[164] = {MSM_CPU_8610, "MSM8212"},
[165] = {MSM_CPU_8610, "MSM8612"},
[166] = {MSM_CPU_8610, "MSM8112"},
[225] = {MSM_CPU_8610, "MSM8510"},
[226] = {MSM_CPU_8610, "MSM8512"},
/* 8064AB IDs */
[153] = {MSM_CPU_8064AB, "APQ8064AB"},
/* 8930AB IDs */
[154] = {MSM_CPU_8930AB, "MSM8930AB"},
[155] = {MSM_CPU_8930AB, "MSM8930AB"},
[156] = {MSM_CPU_8930AB, "MSM8930AB"},
[157] = {MSM_CPU_8930AB, "MSM8930AB"},
[181] = {MSM_CPU_8930AB, "MSM8930AB"},
/* 8625Q IDs */
[168] = {MSM_CPU_8625Q, "MSM8225Q"},
[169] = {MSM_CPU_8625Q, "MSM8625Q"},
[170] = {MSM_CPU_8625Q, "MSM8125Q"},
/* 8064AA IDs */
[172] = {MSM_CPU_8064AA, "APQ8064AA"},
/* 8084 IDs */
[178] = {MSM_CPU_8084, "APQ8084"},
/* 9630 IDs */
[187] = {MSM_CPU_9630, "MDM9630"},
[227] = {MSM_CPU_9630, "MDM9630"},
[228] = {MSM_CPU_9630, "MDM9630"},
[229] = {MSM_CPU_9630, "MDM9630"},
[230] = {MSM_CPU_9630, "MDM9630"},
[231] = {MSM_CPU_9630, "MDM9630"},
/* FSM9900 ID */
[188] = {FSM_CPU_9900, "FSM9900"},
[189] = {FSM_CPU_9900, "FSM9900"},
[190] = {FSM_CPU_9900, "FSM9900"},
[191] = {FSM_CPU_9900, "FSM9900"},
[192] = {FSM_CPU_9900, "FSM9900"},
[193] = {FSM_CPU_9900, "FSM9900"},
[276] = {FSM_CPU_9900, "FSM9900"},
/* 8916 IDs */
[206] = {MSM_CPU_8916, "MSM8916"},
[247] = {MSM_CPU_8916, "APQ8016"},
[248] = {MSM_CPU_8916, "MSM8216"},
[249] = {MSM_CPU_8916, "MSM8116"},
[250] = {MSM_CPU_8916, "MSM8616"},
/* 8936 IDs */
[233] = {MSM_CPU_8936, "MSM8936"},
[240] = {MSM_CPU_8936, "APQ8036"},
[242] = {MSM_CPU_8936, "MSM8236"},
/* 8939 IDs */
[239] = {MSM_CPU_8939, "MSM8939"},
[241] = {MSM_CPU_8939, "APQ8039"},
[263] = {MSM_CPU_8939, "MSM8239"},
/* 8909 IDs */
[245] = {MSM_CPU_8909, "MSM8909"},
[258] = {MSM_CPU_8909, "MSM8209"},
[259] = {MSM_CPU_8909, "MSM8208"},
[265] = {MSM_CPU_8909, "APQ8009"},
[275] = {MSM_CPU_8909, "MSM8609"},
/* 9640 IDs */
[234] = {MSM_CPU_9640, "MDM9640"},
[235] = {MSM_CPU_9640, "MDM9640"},
[236] = {MSM_CPU_9640, "MDM9640"},
[237] = {MSM_CPU_9640, "MDM9640"},
[238] = {MSM_CPU_9640, "MDM9640"},
/* 8994 ID */
[207] = {MSM_CPU_8994, "MSM8994"},
[253] = {MSM_CPU_8994, "APQ8094"},
/* 8992 ID */
[251] = {MSM_CPU_8992, "MSM8992"},
/* FSM9010 ID */
[254] = {FSM_CPU_9010, "FSM9010"},
[255] = {FSM_CPU_9010, "FSM9010"},
[256] = {FSM_CPU_9010, "FSM9010"},
[257] = {FSM_CPU_9010, "FSM9010"},
/* 8952 ID */
[264] = {MSM_CPU_8952, "MSM8952"},
[289] = {MSM_CPU_8952, "APQ8052"},
/* 8976 ID */
[278] = {MSM_CPU_8976, "MSM8976", "SG"},
[277] = {MSM_CPU_8976, "APQ8076", "SG"},
/* 8956 ID */
[266] = {MSM_CPU_8956, "MSM8956", "SG"},
[274] = {MSM_CPU_8956, "APQ8056", "SG"},
/* 8929 IDs */
[268] = {MSM_CPU_8929, "MSM8929"},
[269] = {MSM_CPU_8929, "MSM8629"},
[270] = {MSM_CPU_8929, "MSM8229"},
[271] = {MSM_CPU_8929, "APQ8029"},
/* FERMIUM ID */
[290] = {MSM_CPU_FERMIUM, "MDMFERMIUM"},
/* Californium IDs */
[283] = {MSM_CPU_CALIFORNIUM, "MDMCALIFORNIUM"},
[284] = {MSM_CPU_CALIFORNIUM, "MDMCALIFORNIUM"},
[285] = {MSM_CPU_CALIFORNIUM, "MDMCALIFORNIUM"},
[286] = {MSM_CPU_CALIFORNIUM, "MDMCALIFORNIUM"},
/* Uninitialized IDs are not known to run Linux.
MSM_CPU_UNKNOWN is set to 0 to ensure these IDs are
considered as unknown CPU. */
};
static enum msm_cpu cur_cpu;
static int current_image;
static struct socinfo_v1 dummy_socinfo = {
.format = 1,
.version = 1,
};
uint32_t socinfo_get_id(void)
{
return (socinfo) ? socinfo->v1.id : 0;
}
EXPORT_SYMBOL_GPL(socinfo_get_id);
uint32_t socinfo_get_version(void)
{
return (socinfo) ? socinfo->v1.version : 0;
}
char *socinfo_get_build_id(void)
{
return (socinfo) ? socinfo->v1.build_id : NULL;
}
static char *msm_read_hardware_id(void)
{
static char msm_soc_str[256] = "Qualcomm Technologies, Inc ";
static bool string_generated;
int ret = 0;
if (string_generated)
return msm_soc_str;
if (!socinfo)
goto err_path;
if (!cpu_of_id[socinfo->v1.id].soc_id_string)
goto err_path;
ret = strlcat(msm_soc_str, cpu_of_id[socinfo->v1.id].soc_id_string,
sizeof(msm_soc_str));
if (ret > sizeof(msm_soc_str))
goto err_path;
/* Add suffix if need to be */
if ((socinfo->v2.raw_version == 2) && strlen(cpu_of_id[socinfo->v1.id].suffix)) {
ret = strlcat(msm_soc_str, cpu_of_id[socinfo->v1.id].suffix,
sizeof(msm_soc_str));
if (ret > sizeof(msm_soc_str))
goto err_path;
}
string_generated = true;
return msm_soc_str;
err_path:
return "UNKNOWN SOC TYPE";
}
uint32_t socinfo_get_raw_id(void)
{
return socinfo ?
(socinfo->v1.format >= 2 ? socinfo->v2.raw_id : 0)
: 0;
}
uint32_t socinfo_get_raw_version(void)
{
return socinfo ?
(socinfo->v1.format >= 2 ? socinfo->v2.raw_version : 0)
: 0;
}
uint32_t socinfo_get_platform_type(void)
{
return socinfo ?
(socinfo->v1.format >= 3 ? socinfo->v3.hw_platform : 0)
: 0;
}
uint32_t socinfo_get_platform_version(void)
{
return socinfo ?
(socinfo->v1.format >= 4 ? socinfo->v4.platform_version : 0)
: 0;
}
/* This information is directly encoded by the machine id */
/* Thus no external callers rely on this information at the moment */
static uint32_t socinfo_get_accessory_chip(void)
{
return socinfo ?
(socinfo->v1.format >= 5 ? socinfo->v5.accessory_chip : 0)
: 0;
}
uint32_t socinfo_get_platform_subtype(void)
{
return socinfo ?
(socinfo->v1.format >= 6 ? socinfo->v6.hw_platform_subtype : 0)
: 0;
}
static uint32_t socinfo_get_foundry_id(void)
{
return socinfo ?
(socinfo->v1.format >= 9 ? socinfo->v9.foundry_id : 0)
: 0;
}
enum pmic_model socinfo_get_pmic_model(void)
{
return socinfo ?
(socinfo->v1.format >= 7 ? socinfo->v7.pmic_model
: PMIC_MODEL_UNKNOWN)
: PMIC_MODEL_UNKNOWN;
}
uint32_t socinfo_get_pmic_die_revision(void)
{
return socinfo ?
(socinfo->v1.format >= 7 ? socinfo->v7.pmic_die_revision : 0)
: 0;
}
static char *socinfo_get_image_version_base_address(void)
{
return smem_find(SMEM_IMAGE_VERSION_TABLE,
SMEM_IMAGE_VERSION_SIZE, 0, SMEM_ANY_HOST_FLAG);
}
static uint32_t socinfo_get_format(void)
{
return socinfo ? socinfo->v1.format : 0;
}
enum msm_cpu socinfo_get_msm_cpu(void)
{
return cur_cpu;
}
EXPORT_SYMBOL_GPL(socinfo_get_msm_cpu);
static ssize_t
msm_get_vendor(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "Qualcomm\n");
}
static ssize_t
msm_get_raw_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_raw_id());
}
static ssize_t
msm_get_raw_version(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_raw_version());
}
static ssize_t
msm_get_build_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%-.32s\n",
socinfo_get_build_id());
}
static ssize_t
msm_get_hw_platform(struct device *dev,
struct device_attribute *attr,
char *buf)
{
uint32_t hw_type;
hw_type = socinfo_get_platform_type();
return snprintf(buf, PAGE_SIZE, "%-.32s\n",
hw_platform[hw_type]);
}
static ssize_t
msm_get_platform_version(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_platform_version());
}
static ssize_t
msm_get_accessory_chip(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_accessory_chip());
}
static ssize_t
msm_get_platform_subtype(struct device *dev,
struct device_attribute *attr,
char *buf)
{
uint32_t hw_subtype;
hw_subtype = socinfo_get_platform_subtype();
if (HW_PLATFORM_QRD == socinfo_get_platform_type()) {
if (hw_subtype >= PLATFORM_SUBTYPE_QRD_INVALID) {
pr_err("%s: Invalid hardware platform sub type for qrd found\n",
__func__);
hw_subtype = PLATFORM_SUBTYPE_QRD_INVALID;
}
return snprintf(buf, PAGE_SIZE, "%-.32s\n",
qrd_hw_platform_subtype[hw_subtype]);
}
return snprintf(buf, PAGE_SIZE, "%-.32s\n",
hw_platform_subtype[hw_subtype]);
}
static ssize_t
msm_get_platform_subtype_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
uint32_t hw_subtype;
hw_subtype = socinfo_get_platform_subtype();
return snprintf(buf, PAGE_SIZE, "%u\n",
hw_subtype);
}
static ssize_t
msm_get_foundry_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_foundry_id());
}
static ssize_t
msm_get_pmic_model(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_pmic_model());
}
static ssize_t
msm_get_pmic_die_revision(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_pmic_die_revision());
}
static ssize_t
msm_get_image_version(struct device *dev,
struct device_attribute *attr,
char *buf)
{
char *string_address;
string_address = socinfo_get_image_version_base_address();
if (IS_ERR_OR_NULL(string_address)) {
pr_err("%s : Failed to get image version base address",
__func__);
return snprintf(buf, SMEM_IMAGE_VERSION_NAME_SIZE, "Unknown");
}
down_read(&current_image_rwsem);
string_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
up_read(&current_image_rwsem);
return snprintf(buf, SMEM_IMAGE_VERSION_NAME_SIZE, "%-.75s\n",
string_address);
}
static ssize_t
msm_set_image_version(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t count)
{
char *store_address;
down_read(&current_image_rwsem);
if (current_image != SMEM_IMAGE_VERSION_PARTITION_APPS) {
up_read(&current_image_rwsem);
return count;
}
store_address = socinfo_get_image_version_base_address();
if (IS_ERR_OR_NULL(store_address)) {
pr_err("%s : Failed to get image version base address",
__func__);
up_read(&current_image_rwsem);
return count;
}
store_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
up_read(&current_image_rwsem);
snprintf(store_address, SMEM_IMAGE_VERSION_NAME_SIZE, "%-.75s", buf);
return count;
}
static ssize_t
msm_get_image_variant(struct device *dev,
struct device_attribute *attr,
char *buf)
{
char *string_address;
string_address = socinfo_get_image_version_base_address();
if (IS_ERR_OR_NULL(string_address)) {
pr_err("%s : Failed to get image version base address",
__func__);
return snprintf(buf, SMEM_IMAGE_VERSION_VARIANT_SIZE,
"Unknown");
}
down_read(&current_image_rwsem);
string_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
up_read(&current_image_rwsem);
string_address += SMEM_IMAGE_VERSION_VARIANT_OFFSET;
return snprintf(buf, SMEM_IMAGE_VERSION_VARIANT_SIZE, "%-.20s\n",
string_address);
}
static ssize_t
msm_set_image_variant(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t count)
{
char *store_address;
down_read(&current_image_rwsem);
if (current_image != SMEM_IMAGE_VERSION_PARTITION_APPS) {
up_read(&current_image_rwsem);
return count;
}
store_address = socinfo_get_image_version_base_address();
if (IS_ERR_OR_NULL(store_address)) {
pr_err("%s : Failed to get image version base address",
__func__);
up_read(&current_image_rwsem);
return count;
}
store_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
up_read(&current_image_rwsem);
store_address += SMEM_IMAGE_VERSION_VARIANT_OFFSET;
snprintf(store_address, SMEM_IMAGE_VERSION_VARIANT_SIZE, "%-.20s", buf);
return count;
}
static ssize_t
msm_get_image_crm_version(struct device *dev,
struct device_attribute *attr,
char *buf)
{
char *string_address;
string_address = socinfo_get_image_version_base_address();
if (IS_ERR_OR_NULL(string_address)) {
pr_err("%s : Failed to get image version base address",
__func__);
return snprintf(buf, SMEM_IMAGE_VERSION_OEM_SIZE, "Unknown");
}
down_read(&current_image_rwsem);
string_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
up_read(&current_image_rwsem);
string_address += SMEM_IMAGE_VERSION_OEM_OFFSET;
return snprintf(buf, SMEM_IMAGE_VERSION_OEM_SIZE, "%-.32s\n",
string_address);
}
static ssize_t
msm_set_image_crm_version(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t count)
{
char *store_address;
down_read(&current_image_rwsem);
if (current_image != SMEM_IMAGE_VERSION_PARTITION_APPS) {
up_read(&current_image_rwsem);
return count;
}
store_address = socinfo_get_image_version_base_address();
if (IS_ERR_OR_NULL(store_address)) {
pr_err("%s : Failed to get image version base address",
__func__);
up_read(&current_image_rwsem);
return count;
}
store_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
up_read(&current_image_rwsem);
store_address += SMEM_IMAGE_VERSION_OEM_OFFSET;
snprintf(store_address, SMEM_IMAGE_VERSION_OEM_SIZE, "%-.32s", buf);
return count;
}
static ssize_t
msm_get_image_number(struct device *dev,
struct device_attribute *attr,
char *buf)
{
int ret;
down_read(&current_image_rwsem);
ret = snprintf(buf, PAGE_SIZE, "%d\n",
current_image);
up_read(&current_image_rwsem);
return ret;
}
static ssize_t
msm_select_image(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret, digit;
ret = kstrtoint(buf, 10, &digit);
if (ret)
return ret;
down_write(&current_image_rwsem);
if (0 <= digit && digit < SMEM_IMAGE_VERSION_BLOCKS_COUNT)
current_image = digit;
else
current_image = 0;
up_write(&current_image_rwsem);
return count;
}
static struct device_attribute msm_soc_attr_raw_version =
__ATTR(raw_version, S_IRUGO, msm_get_raw_version, NULL);
static struct device_attribute msm_soc_attr_raw_id =
__ATTR(raw_id, S_IRUGO, msm_get_raw_id, NULL);
static struct device_attribute msm_soc_attr_vendor =
__ATTR(vendor, S_IRUGO, msm_get_vendor, NULL);
static struct device_attribute msm_soc_attr_build_id =
__ATTR(build_id, S_IRUGO, msm_get_build_id, NULL);
static struct device_attribute msm_soc_attr_hw_platform =
__ATTR(hw_platform, S_IRUGO, msm_get_hw_platform, NULL);
static struct device_attribute msm_soc_attr_platform_version =
__ATTR(platform_version, S_IRUGO,
msm_get_platform_version, NULL);
static struct device_attribute msm_soc_attr_accessory_chip =
__ATTR(accessory_chip, S_IRUGO,
msm_get_accessory_chip, NULL);
static struct device_attribute msm_soc_attr_platform_subtype =
__ATTR(platform_subtype, S_IRUGO,
msm_get_platform_subtype, NULL);
/* Platform Subtype String is being deprecated. Use Platform
* Subtype ID instead.
*/
static struct device_attribute msm_soc_attr_platform_subtype_id =
__ATTR(platform_subtype_id, S_IRUGO,
msm_get_platform_subtype_id, NULL);
static struct device_attribute msm_soc_attr_foundry_id =
__ATTR(foundry_id, S_IRUGO,
msm_get_foundry_id, NULL);
static struct device_attribute msm_soc_attr_pmic_model =
__ATTR(pmic_model, S_IRUGO,
msm_get_pmic_model, NULL);
static struct device_attribute msm_soc_attr_pmic_die_revision =
__ATTR(pmic_die_revision, S_IRUGO,
msm_get_pmic_die_revision, NULL);
static struct device_attribute image_version =
__ATTR(image_version, S_IRUGO | S_IWUSR,
msm_get_image_version, msm_set_image_version);
static struct device_attribute image_variant =
__ATTR(image_variant, S_IRUGO | S_IWUSR,
msm_get_image_variant, msm_set_image_variant);
static struct device_attribute image_crm_version =
__ATTR(image_crm_version, S_IRUGO | S_IWUSR,
msm_get_image_crm_version, msm_set_image_crm_version);
static struct device_attribute select_image =
__ATTR(select_image, S_IRUGO | S_IWUSR,
msm_get_image_number, msm_select_image);
static void * __init setup_dummy_socinfo(void)
{
if (early_machine_is_apq8084()) {
dummy_socinfo.id = 178;
strlcpy(dummy_socinfo.build_id, "apq8084 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_mdm9630()) {
dummy_socinfo.id = 187;
strlcpy(dummy_socinfo.build_id, "mdm9630 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8909()) {
dummy_socinfo.id = 245;
strlcpy(dummy_socinfo.build_id, "msm8909 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8916()) {
dummy_socinfo.id = 206;
strlcpy(dummy_socinfo.build_id, "msm8916 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8939()) {
dummy_socinfo.id = 239;
strlcpy(dummy_socinfo.build_id, "msm8939 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8936()) {
dummy_socinfo.id = 233;
strlcpy(dummy_socinfo.build_id, "msm8936 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_mdm9640()) {
dummy_socinfo.id = 238;
strlcpy(dummy_socinfo.build_id, "mdm9640 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_mdmcalifornium()) {
dummy_socinfo.id = 286;
strlcpy(dummy_socinfo.build_id, "mdmcalifornium - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msmvpipa()) {
dummy_socinfo.id = 238;
strlcpy(dummy_socinfo.build_id, "msmvpipa - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8994()) {
dummy_socinfo.id = 207;
strlcpy(dummy_socinfo.build_id, "msm8994 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8992()) {
dummy_socinfo.id = 251;
strlcpy(dummy_socinfo.build_id, "msm8992 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8976()) {
dummy_socinfo.id = 278;
strlcpy(dummy_socinfo.build_id, "msm8976 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8956()) {
dummy_socinfo.id = 266;
strlcpy(dummy_socinfo.build_id, "msm8956 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8952()) {
dummy_socinfo.id = 264;
strlcpy(dummy_socinfo.build_id, "msm8952 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8929()) {
dummy_socinfo.id = 268;
strlcpy(dummy_socinfo.build_id, "msm8929 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_mdmfermium()) {
dummy_socinfo.id = 290;
strlcpy(dummy_socinfo.build_id, "mdmfermium - ",
sizeof(dummy_socinfo.build_id));
}
strlcat(dummy_socinfo.build_id, "Dummy socinfo",
sizeof(dummy_socinfo.build_id));
return (void *) &dummy_socinfo;
}
static void __init populate_soc_sysfs_files(struct device *msm_soc_device)
{
uint32_t legacy_format = socinfo_get_format();
device_create_file(msm_soc_device, &msm_soc_attr_vendor);
device_create_file(msm_soc_device, &image_version);
device_create_file(msm_soc_device, &image_variant);
device_create_file(msm_soc_device, &image_crm_version);
device_create_file(msm_soc_device, &select_image);
switch (legacy_format) {
case 10:
case 9:
device_create_file(msm_soc_device,
&msm_soc_attr_foundry_id);
case 8:
case 7:
device_create_file(msm_soc_device,
&msm_soc_attr_pmic_model);
device_create_file(msm_soc_device,
&msm_soc_attr_pmic_die_revision);
case 6:
device_create_file(msm_soc_device,
&msm_soc_attr_platform_subtype);
device_create_file(msm_soc_device,
&msm_soc_attr_platform_subtype_id);
case 5:
device_create_file(msm_soc_device,
&msm_soc_attr_accessory_chip);
case 4:
device_create_file(msm_soc_device,
&msm_soc_attr_platform_version);
case 3:
device_create_file(msm_soc_device,
&msm_soc_attr_hw_platform);
case 2:
device_create_file(msm_soc_device,
&msm_soc_attr_raw_id);
device_create_file(msm_soc_device,
&msm_soc_attr_raw_version);
case 1:
device_create_file(msm_soc_device,
&msm_soc_attr_build_id);
break;
default:
pr_err("%s:Unknown socinfo format:%u\n", __func__,
legacy_format);
break;
}
return;
}
static void __init soc_info_populate(struct soc_device_attribute *soc_dev_attr)
{
uint32_t soc_version = socinfo_get_version();
soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%d", socinfo_get_id());
soc_dev_attr->machine = "Snapdragon";
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u.%u",
SOCINFO_VERSION_MAJOR(soc_version),
SOCINFO_VERSION_MINOR(soc_version));
return;
}
static int __init socinfo_init_sysfs(void)
{
struct device *msm_soc_device;
struct soc_device *soc_dev;
struct soc_device_attribute *soc_dev_attr;
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return -ENODEV;
}
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr) {
pr_err("%s: Soc Device alloc failed!\n", __func__);
return -ENOMEM;
}
soc_info_populate(soc_dev_attr);
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR_OR_NULL(soc_dev)) {
kfree(soc_dev_attr);
pr_err("%s: Soc device register failed\n", __func__);
return -EIO;
}
msm_soc_device = soc_device_to_device(soc_dev);
populate_soc_sysfs_files(msm_soc_device);
return 0;
}
late_initcall(socinfo_init_sysfs);
static void socinfo_print(void)
{
switch (socinfo->v1.format) {
case 1:
pr_info("%s: v%u, id=%u, ver=%u.%u\n",
__func__, socinfo->v1.format, socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version));
break;
case 2:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u\n",
__func__, socinfo->v1.format, socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version);
break;
case 3:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u, hw_plat=%u\n",
__func__, socinfo->v1.format, socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform);
break;
case 4:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n",
__func__, socinfo->v1.format, socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version);
break;
case 5:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n"
" accessory_chip=%u\n", __func__, socinfo->v1.format,
socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version,
socinfo->v5.accessory_chip);
break;
case 6:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n"
" accessory_chip=%u hw_plat_subtype=%u\n", __func__,
socinfo->v1.format,
socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version,
socinfo->v5.accessory_chip,
socinfo->v6.hw_platform_subtype);
break;
case 8:
case 7:
pr_info("%s: v%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u\n",
__func__,
socinfo->v1.format,
socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version,
socinfo->v5.accessory_chip,
socinfo->v6.hw_platform_subtype,
socinfo->v7.pmic_model,
socinfo->v7.pmic_die_revision);
break;
case 9:
pr_info("%s: v%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u foundry_id=%u\n",
__func__,
socinfo->v1.format,
socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version,
socinfo->v5.accessory_chip,
socinfo->v6.hw_platform_subtype,
socinfo->v7.pmic_model,
socinfo->v7.pmic_die_revision,
socinfo->v9.foundry_id);
break;
case 10:
pr_info("%s: v%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u foundry_id=%u serial_number=%u\n",
__func__,
socinfo->v1.format,
socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version,
socinfo->v5.accessory_chip,
socinfo->v6.hw_platform_subtype,
socinfo->v7.pmic_model,
socinfo->v7.pmic_die_revision,
socinfo->v9.foundry_id,
socinfo->v10.serial_number);
break;
default:
pr_err("%s: Unknown format found\n", __func__);
break;
}
}
int __init socinfo_init(void)
{
static bool socinfo_init_done;
unsigned size;
if (socinfo_init_done)
return 0;
socinfo = smem_get_entry(SMEM_HW_SW_BUILD_ID, &size, 0,
SMEM_ANY_HOST_FLAG);
if (IS_ERR_OR_NULL(socinfo)) {
pr_warn("%s: Can't find SMEM_HW_SW_BUILD_ID; falling back on dummy values.\n",
__func__);
socinfo = setup_dummy_socinfo();
}
WARN(!socinfo_get_id(), "Unknown SOC ID!\n");
if (socinfo_get_id() >= ARRAY_SIZE(cpu_of_id))
BUG_ON("New IDs added! ID => CPU mapping needs an update.\n");
else
cur_cpu = cpu_of_id[socinfo->v1.id].generic_soc_type;
boot_stats_init();
socinfo_print();
arch_read_hardware_id = msm_read_hardware_id;
socinfo_init_done = true;
return 0;
}
subsys_initcall(socinfo_init);
const int get_core_count(void)
{
if (!(read_cpuid_mpidr() & BIT(31)))
return 1;
if (read_cpuid_mpidr() & BIT(30))
return 1;
/* 1 + the PART[1:0] field of MIDR */
return ((read_cpuid_id() >> 4) & 3) + 1;
}
const int read_msm_cpu_type(void)
{
if (socinfo_get_msm_cpu() != MSM_CPU_UNKNOWN)
return socinfo_get_msm_cpu();
switch (read_cpuid_id()) {
case 0x510F02D0:
case 0x510F02D2:
case 0x510F02D4:
return MSM_CPU_8X60;
case 0x510F04D0:
case 0x510F04D1:
case 0x510F04D2:
case 0x511F04D0:
case 0x512F04D0:
return MSM_CPU_8960;
case 0x51404D11: /* We can't get here unless we are in bringup */
return MSM_CPU_8930;
case 0x510F06F0:
return MSM_CPU_8064;
case 0x511F06F1:
case 0x511F06F2:
case 0x512F06F0:
return MSM_CPU_8974;
default:
return MSM_CPU_UNKNOWN;
};
}
const int cpu_is_krait(void)
{
return ((read_cpuid_id() & 0xFF00FC00) == 0x51000400);
}
const int cpu_is_krait_v1(void)
{
switch (read_cpuid_id()) {
case 0x510F04D0:
case 0x510F04D1:
case 0x510F04D2:
return 1;
default:
return 0;
};
}
const int cpu_is_krait_v2(void)
{
switch (read_cpuid_id()) {
case 0x511F04D0:
case 0x511F04D1:
case 0x511F04D2:
case 0x511F04D3:
case 0x511F04D4:
case 0x510F06F0:
case 0x510F06F1:
case 0x510F06F2:
return 1;
default:
return 0;
};
}
const int cpu_is_krait_v3(void)
{
switch (read_cpuid_id()) {
case 0x512F04D0:
case 0x511F06F0:
case 0x511F06F1:
case 0x511F06F2:
case 0x510F05D0:
case 0x510F07F0:
return 1;
default:
return 0;
};
}
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