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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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110
drivers/soc/tegra/fuse/speedo-tegra114.c Normal file
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/*
* Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/bug.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <soc/tegra/fuse.h>
#include "fuse.h"
#define CORE_PROCESS_CORNERS 2
#define CPU_PROCESS_CORNERS 2
enum {
THRESHOLD_INDEX_0,
THRESHOLD_INDEX_1,
THRESHOLD_INDEX_COUNT,
};
static const u32 __initconst core_process_speedos[][CORE_PROCESS_CORNERS] = {
{1123, UINT_MAX},
{0, UINT_MAX},
};
static const u32 __initconst cpu_process_speedos[][CPU_PROCESS_CORNERS] = {
{1695, UINT_MAX},
{0, UINT_MAX},
};
static void __init rev_sku_to_speedo_ids(struct tegra_sku_info *sku_info,
int *threshold)
{
u32 tmp;
u32 sku = sku_info->sku_id;
enum tegra_revision rev = sku_info->revision;
switch (sku) {
case 0x00:
case 0x10:
case 0x05:
case 0x06:
sku_info->cpu_speedo_id = 1;
sku_info->soc_speedo_id = 0;
*threshold = THRESHOLD_INDEX_0;
break;
case 0x03:
case 0x04:
sku_info->cpu_speedo_id = 2;
sku_info->soc_speedo_id = 1;
*threshold = THRESHOLD_INDEX_1;
break;
default:
pr_err("Tegra Unknown SKU %d\n", sku);
sku_info->cpu_speedo_id = 0;
sku_info->soc_speedo_id = 0;
*threshold = THRESHOLD_INDEX_0;
break;
}
if (rev == TEGRA_REVISION_A01) {
tmp = tegra30_fuse_readl(0x270) << 1;
tmp |= tegra30_fuse_readl(0x26c);
if (!tmp)
sku_info->cpu_speedo_id = 0;
}
}
void __init tegra114_init_speedo_data(struct tegra_sku_info *sku_info)
{
u32 cpu_speedo_val;
u32 core_speedo_val;
int threshold;
int i;
BUILD_BUG_ON(ARRAY_SIZE(cpu_process_speedos) !=
THRESHOLD_INDEX_COUNT);
BUILD_BUG_ON(ARRAY_SIZE(core_process_speedos) !=
THRESHOLD_INDEX_COUNT);
rev_sku_to_speedo_ids(sku_info, &threshold);
cpu_speedo_val = tegra30_fuse_readl(0x12c) + 1024;
core_speedo_val = tegra30_fuse_readl(0x134);
for (i = 0; i < CPU_PROCESS_CORNERS; i++)
if (cpu_speedo_val < cpu_process_speedos[threshold][i])
break;
sku_info->cpu_process_id = i;
for (i = 0; i < CORE_PROCESS_CORNERS; i++)
if (core_speedo_val < core_process_speedos[threshold][i])
break;
sku_info->core_process_id = i;
}