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Diffstat (limited to 'arch/arm/mach-tegra/tegra30_speedo.c')
-rw-r--r--arch/arm/mach-tegra/tegra30_speedo.c292
1 files changed, 0 insertions, 292 deletions
diff --git a/arch/arm/mach-tegra/tegra30_speedo.c b/arch/arm/mach-tegra/tegra30_speedo.c
deleted file mode 100644
index 125cb16424a6..000000000000
--- a/arch/arm/mach-tegra/tegra30_speedo.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * Copyright (c) 2012, 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/kernel.h>
-#include <linux/bug.h>
-
-#include "fuse.h"
-
-#define CORE_PROCESS_CORNERS_NUM 1
-#define CPU_PROCESS_CORNERS_NUM 6
-
-#define FUSE_SPEEDO_CALIB_0 0x114
-#define FUSE_PACKAGE_INFO 0X1FC
-#define FUSE_TEST_PROG_VER 0X128
-
-#define G_SPEEDO_BIT_MINUS1 58
-#define G_SPEEDO_BIT_MINUS1_R 59
-#define G_SPEEDO_BIT_MINUS2 60
-#define G_SPEEDO_BIT_MINUS2_R 61
-#define LP_SPEEDO_BIT_MINUS1 62
-#define LP_SPEEDO_BIT_MINUS1_R 63
-#define LP_SPEEDO_BIT_MINUS2 64
-#define LP_SPEEDO_BIT_MINUS2_R 65
-
-enum {
- THRESHOLD_INDEX_0,
- THRESHOLD_INDEX_1,
- THRESHOLD_INDEX_2,
- THRESHOLD_INDEX_3,
- THRESHOLD_INDEX_4,
- THRESHOLD_INDEX_5,
- THRESHOLD_INDEX_6,
- THRESHOLD_INDEX_7,
- THRESHOLD_INDEX_8,
- THRESHOLD_INDEX_9,
- THRESHOLD_INDEX_10,
- THRESHOLD_INDEX_11,
- THRESHOLD_INDEX_COUNT,
-};
-
-static const u32 core_process_speedos[][CORE_PROCESS_CORNERS_NUM] = {
- {180},
- {170},
- {195},
- {180},
- {168},
- {192},
- {180},
- {170},
- {195},
- {180},
- {180},
- {180},
-};
-
-static const u32 cpu_process_speedos[][CPU_PROCESS_CORNERS_NUM] = {
- {306, 338, 360, 376, UINT_MAX},
- {295, 336, 358, 375, UINT_MAX},
- {325, 325, 358, 375, UINT_MAX},
- {325, 325, 358, 375, UINT_MAX},
- {292, 324, 348, 364, UINT_MAX},
- {324, 324, 348, 364, UINT_MAX},
- {324, 324, 348, 364, UINT_MAX},
- {295, 336, 358, 375, UINT_MAX},
- {358, 358, 358, 358, 397, UINT_MAX},
- {364, 364, 364, 364, 397, UINT_MAX},
- {295, 336, 358, 375, 391, UINT_MAX},
- {295, 336, 358, 375, 391, UINT_MAX},
-};
-
-static int threshold_index;
-static int package_id;
-
-static void fuse_speedo_calib(u32 *speedo_g, u32 *speedo_lp)
-{
- u32 reg;
- int ate_ver;
- int bit_minus1;
- int bit_minus2;
-
- reg = tegra_fuse_readl(FUSE_SPEEDO_CALIB_0);
-
- *speedo_lp = (reg & 0xFFFF) * 4;
- *speedo_g = ((reg >> 16) & 0xFFFF) * 4;
-
- ate_ver = tegra_fuse_readl(FUSE_TEST_PROG_VER);
- pr_info("%s: ATE prog ver %d.%d\n", __func__, ate_ver/10, ate_ver%10);
-
- if (ate_ver >= 26) {
- bit_minus1 = tegra_spare_fuse(LP_SPEEDO_BIT_MINUS1);
- bit_minus1 |= tegra_spare_fuse(LP_SPEEDO_BIT_MINUS1_R);
- bit_minus2 = tegra_spare_fuse(LP_SPEEDO_BIT_MINUS2);
- bit_minus2 |= tegra_spare_fuse(LP_SPEEDO_BIT_MINUS2_R);
- *speedo_lp |= (bit_minus1 << 1) | bit_minus2;
-
- bit_minus1 = tegra_spare_fuse(G_SPEEDO_BIT_MINUS1);
- bit_minus1 |= tegra_spare_fuse(G_SPEEDO_BIT_MINUS1_R);
- bit_minus2 = tegra_spare_fuse(G_SPEEDO_BIT_MINUS2);
- bit_minus2 |= tegra_spare_fuse(G_SPEEDO_BIT_MINUS2_R);
- *speedo_g |= (bit_minus1 << 1) | bit_minus2;
- } else {
- *speedo_lp |= 0x3;
- *speedo_g |= 0x3;
- }
-}
-
-static void rev_sku_to_speedo_ids(int rev, int sku)
-{
- switch (rev) {
- case TEGRA_REVISION_A01:
- tegra_cpu_speedo_id = 0;
- tegra_soc_speedo_id = 0;
- threshold_index = THRESHOLD_INDEX_0;
- break;
- case TEGRA_REVISION_A02:
- case TEGRA_REVISION_A03:
- switch (sku) {
- case 0x87:
- case 0x82:
- tegra_cpu_speedo_id = 1;
- tegra_soc_speedo_id = 1;
- threshold_index = THRESHOLD_INDEX_1;
- break;
- case 0x81:
- switch (package_id) {
- case 1:
- tegra_cpu_speedo_id = 2;
- tegra_soc_speedo_id = 2;
- threshold_index = THRESHOLD_INDEX_2;
- break;
- case 2:
- tegra_cpu_speedo_id = 4;
- tegra_soc_speedo_id = 1;
- threshold_index = THRESHOLD_INDEX_7;
- break;
- default:
- pr_err("Tegra30: Unknown pkg %d\n", package_id);
- BUG();
- break;
- }
- break;
- case 0x80:
- switch (package_id) {
- case 1:
- tegra_cpu_speedo_id = 5;
- tegra_soc_speedo_id = 2;
- threshold_index = THRESHOLD_INDEX_8;
- break;
- case 2:
- tegra_cpu_speedo_id = 6;
- tegra_soc_speedo_id = 2;
- threshold_index = THRESHOLD_INDEX_9;
- break;
- default:
- pr_err("Tegra30: Unknown pkg %d\n", package_id);
- BUG();
- break;
- }
- break;
- case 0x83:
- switch (package_id) {
- case 1:
- tegra_cpu_speedo_id = 7;
- tegra_soc_speedo_id = 1;
- threshold_index = THRESHOLD_INDEX_10;
- break;
- case 2:
- tegra_cpu_speedo_id = 3;
- tegra_soc_speedo_id = 2;
- threshold_index = THRESHOLD_INDEX_3;
- break;
- default:
- pr_err("Tegra30: Unknown pkg %d\n", package_id);
- BUG();
- break;
- }
- break;
- case 0x8F:
- tegra_cpu_speedo_id = 8;
- tegra_soc_speedo_id = 1;
- threshold_index = THRESHOLD_INDEX_11;
- break;
- case 0x08:
- tegra_cpu_speedo_id = 1;
- tegra_soc_speedo_id = 1;
- threshold_index = THRESHOLD_INDEX_4;
- break;
- case 0x02:
- tegra_cpu_speedo_id = 2;
- tegra_soc_speedo_id = 2;
- threshold_index = THRESHOLD_INDEX_5;
- break;
- case 0x04:
- tegra_cpu_speedo_id = 3;
- tegra_soc_speedo_id = 2;
- threshold_index = THRESHOLD_INDEX_6;
- break;
- case 0:
- switch (package_id) {
- case 1:
- tegra_cpu_speedo_id = 2;
- tegra_soc_speedo_id = 2;
- threshold_index = THRESHOLD_INDEX_2;
- break;
- case 2:
- tegra_cpu_speedo_id = 3;
- tegra_soc_speedo_id = 2;
- threshold_index = THRESHOLD_INDEX_3;
- break;
- default:
- pr_err("Tegra30: Unknown pkg %d\n", package_id);
- BUG();
- break;
- }
- break;
- default:
- pr_warn("Tegra30: Unknown SKU %d\n", sku);
- tegra_cpu_speedo_id = 0;
- tegra_soc_speedo_id = 0;
- threshold_index = THRESHOLD_INDEX_0;
- break;
- }
- break;
- default:
- pr_warn("Tegra30: Unknown chip rev %d\n", rev);
- tegra_cpu_speedo_id = 0;
- tegra_soc_speedo_id = 0;
- threshold_index = THRESHOLD_INDEX_0;
- break;
- }
-}
-
-void tegra30_init_speedo_data(void)
-{
- u32 cpu_speedo_val;
- u32 core_speedo_val;
- int i;
-
- BUILD_BUG_ON(ARRAY_SIZE(cpu_process_speedos) !=
- THRESHOLD_INDEX_COUNT);
- BUILD_BUG_ON(ARRAY_SIZE(core_process_speedos) !=
- THRESHOLD_INDEX_COUNT);
-
- package_id = tegra_fuse_readl(FUSE_PACKAGE_INFO) & 0x0F;
-
- rev_sku_to_speedo_ids(tegra_revision, tegra_sku_id);
- fuse_speedo_calib(&cpu_speedo_val, &core_speedo_val);
- pr_debug("%s CPU speedo value %u\n", __func__, cpu_speedo_val);
- pr_debug("%s Core speedo value %u\n", __func__, core_speedo_val);
-
- for (i = 0; i < CPU_PROCESS_CORNERS_NUM; i++) {
- if (cpu_speedo_val < cpu_process_speedos[threshold_index][i])
- break;
- }
- tegra_cpu_process_id = i - 1;
-
- if (tegra_cpu_process_id == -1) {
- pr_warn("Tegra30: CPU speedo value %3d out of range",
- cpu_speedo_val);
- tegra_cpu_process_id = 0;
- tegra_cpu_speedo_id = 1;
- }
-
- for (i = 0; i < CORE_PROCESS_CORNERS_NUM; i++) {
- if (core_speedo_val < core_process_speedos[threshold_index][i])
- break;
- }
- tegra_core_process_id = i - 1;
-
- if (tegra_core_process_id == -1) {
- pr_warn("Tegra30: CORE speedo value %3d out of range",
- core_speedo_val);
- tegra_core_process_id = 0;
- tegra_soc_speedo_id = 1;
- }
-
- pr_info("Tegra30: CPU Speedo ID %d, Soc Speedo ID %d",
- tegra_cpu_speedo_id, tegra_soc_speedo_id);
-}
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