diff options
Diffstat (limited to 'arch/arm/mach-tegra/tegra114_speedo.c')
-rw-r--r-- | arch/arm/mach-tegra/tegra114_speedo.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/arch/arm/mach-tegra/tegra114_speedo.c b/arch/arm/mach-tegra/tegra114_speedo.c deleted file mode 100644 index d0a6d5925f5f..000000000000 --- a/arch/arm/mach-tegra/tegra114_speedo.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (c) 2013, 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/kernel.h> - -#include <soc/tegra/fuse.h> - -#include "fuse.h" - -#define CORE_PROCESS_CORNERS_NUM 2 -#define CPU_PROCESS_CORNERS_NUM 2 - -enum { - THRESHOLD_INDEX_0, - THRESHOLD_INDEX_1, - THRESHOLD_INDEX_COUNT, -}; - -static const u32 core_process_speedos[][CORE_PROCESS_CORNERS_NUM] = { - {1123, UINT_MAX}, - {0, UINT_MAX}, -}; - -static const u32 cpu_process_speedos[][CPU_PROCESS_CORNERS_NUM] = { - {1695, UINT_MAX}, - {0, UINT_MAX}, -}; - -static void rev_sku_to_speedo_ids(int rev, int sku, int *threshold) -{ - u32 tmp; - - switch (sku) { - case 0x00: - case 0x10: - case 0x05: - case 0x06: - tegra_cpu_speedo_id = 1; - tegra_soc_speedo_id = 0; - *threshold = THRESHOLD_INDEX_0; - break; - - case 0x03: - case 0x04: - tegra_cpu_speedo_id = 2; - tegra_soc_speedo_id = 1; - *threshold = THRESHOLD_INDEX_1; - break; - - default: - pr_err("Tegra114 Unknown SKU %d\n", sku); - tegra_cpu_speedo_id = 0; - tegra_soc_speedo_id = 0; - *threshold = THRESHOLD_INDEX_0; - break; - } - - if (rev == TEGRA_REVISION_A01) { - tmp = tegra_fuse_readl(0x270) << 1; - tmp |= tegra_fuse_readl(0x26c); - if (!tmp) - tegra_cpu_speedo_id = 0; - } -} - -void tegra114_init_speedo_data(void) -{ - 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(tegra_revision, tegra_sku_id, &threshold); - - cpu_speedo_val = tegra_fuse_readl(0x12c) + 1024; - core_speedo_val = tegra_fuse_readl(0x134); - - for (i = 0; i < CPU_PROCESS_CORNERS_NUM; i++) - if (cpu_speedo_val < cpu_process_speedos[threshold][i]) - break; - tegra_cpu_process_id = i; - - for (i = 0; i < CORE_PROCESS_CORNERS_NUM; i++) - if (core_speedo_val < core_process_speedos[threshold][i]) - break; - tegra_core_process_id = i; -} |