void tegra_init_speedo_data(void)
{
int i;
if (!tegra_platform_is_silicon()) {
cpu_process_id = 0;
core_process_id = 0;
gpu_process_id = 0;
cpu_speedo_id = 0;
soc_speedo_id = 0;
gpu_speedo_id = 0;
package_id = -1;
cpu_speedo_value = 1777;
gpu_speedo_value = 2000;
cpu_speedo_0_value = 0;
cpu_speedo_1_value = 0;
soc_speedo_0_value = 0;
soc_speedo_1_value = 0;
soc_speedo_2_value = 0;
soc_iddq_value = 0;
gpu_iddq_value = 0;
return;
}
cpu_speedo_0_value = tegra_fuse_readl(FUSE_CPU_SPEEDO_0);
cpu_speedo_1_value = tegra_fuse_readl(FUSE_CPU_SPEEDO_1);
/* GPU Speedo is stored in CPU_SPEEDO_2 */
gpu_speedo_value = tegra_fuse_readl(FUSE_CPU_SPEEDO_2);
soc_speedo_0_value = tegra_fuse_readl(FUSE_SOC_SPEEDO_0);
soc_speedo_1_value = tegra_fuse_readl(FUSE_SOC_SPEEDO_1);
soc_speedo_2_value = tegra_fuse_readl(FUSE_SOC_SPEEDO_2);
cpu_iddq_value = tegra_fuse_readl(FUSE_CPU_IDDQ);
soc_iddq_value = tegra_fuse_readl(FUSE_SOC_IDDQ);
gpu_iddq_value = tegra_fuse_readl(FUSE_GPU_IDDQ);
cpu_speedo_value = cpu_speedo_0_value;
if (cpu_speedo_value == 0) {
cpu_speedo_value = 2100;
pr_warn("Tegra13: Warning: CPU Speedo value not fused. PLEASE FIX!!!!!!!!!!!\n");
pr_warn("Tegra13: Warning: PLEASE USE BOARD WITH FUSED SPEEDO VALUE !!!!\n");
}
if (gpu_speedo_value == 0) {
gpu_speedo_value = 2000;
pr_warn("Tegra13: Warning: GPU Speedo value not fused. PLEASE FIX!!!!!!!!!!!\n");
pr_warn("Tegra13: Warning: PLEASE USE BOARD WITH FUSED SPEEDO VALUE !!!!\n");
}
rev_sku_to_speedo_ids(tegra_revision, tegra_get_sku_id());
for (i = 0; i < GPU_PROCESS_CORNERS_NUM; i++) {
if (gpu_speedo_value <
gpu_process_speedos[threshold_index][i]) {
break;
}
}
gpu_process_id = i;
for (i = 0; i < CPU_PROCESS_CORNERS_NUM; i++) {
if (cpu_speedo_value <
cpu_process_speedos[threshold_index][i]) {
break;
}
}
cpu_process_id = i;
for (i = 0; i < CORE_PROCESS_CORNERS_NUM; i++) {
if (soc_speedo_0_value <
core_process_speedos[threshold_index][i]) {
break;
}
}
core_process_id = i;
pr_info("Tegra13: CPU Speedo ID %d, Soc Speedo ID %d, Gpu Speedo ID %d\n",
cpu_speedo_id, soc_speedo_id, gpu_speedo_id);
pr_info("Tegra13: CPU Process ID %d,Soc Process ID %d,Gpu Process ID %d\n",
cpu_process_id, core_process_id, gpu_process_id);
pr_info("Tegra13: CPU Speedo value %d, Soc Speedo value %d, Gpu Speedo value %d\n",
cpu_speedo_value, soc_speedo_0_value, gpu_speedo_value);
}
void tegra_init_speedo_data(void)
{
int i;
u32 tegra_sku_id;
if (!tegra_platform_is_silicon()) {
cpu_process_id = 0;
core_process_id = 0;
gpu_process_id = 0;
cpu_speedo_id = 0;
soc_speedo_id = 0;
gpu_speedo_id = 0;
package_id = -1;
cpu_speedo_value = TEGRA21_CPU_SPEEDO;
gpu_speedo_value = TEGRA21_GPU_SPEEDO;
soc_speedo_value = TEGRA21_SOC_SPEEDO;
cpu_speedo_0_value = 0;
cpu_speedo_1_value = 0;
soc_speedo_0_value = 0;
soc_speedo_1_value = 0;
soc_speedo_2_value = 0;
soc_iddq_value = 0;
gpu_iddq_value = 0;
pr_info("Tegra21: CPU Speedo value %d, Soc Speedo value %d, Gpu Speedo value %d\n",
cpu_speedo_value, soc_speedo_value, gpu_speedo_value);
pr_info("Tegra21: CPU Speedo ID %d, Soc Speedo ID %d, Gpu Speedo ID %d\n",
cpu_speedo_id, soc_speedo_id, gpu_speedo_id);
pr_info("Tegra21: CPU Process ID %d,Soc Process ID %d,Gpu Process ID %d\n",
cpu_process_id, core_process_id, gpu_process_id);
return;
}
/* Read speedo/iddq fuses */
cpu_speedo_0_value = tegra_fuse_readl(FUSE_CPU_SPEEDO_0);
cpu_speedo_1_value = tegra_fuse_readl(FUSE_CPU_SPEEDO_1);
cpu_speedo_2_value = tegra_fuse_readl(FUSE_CPU_SPEEDO_2);
soc_speedo_0_value = tegra_fuse_readl(FUSE_SOC_SPEEDO_0);
soc_speedo_1_value = tegra_fuse_readl(FUSE_SOC_SPEEDO_1);
soc_speedo_2_value = tegra_fuse_readl(FUSE_SOC_SPEEDO_2);
cpu_iddq_value = tegra_fuse_readl(FUSE_CPU_IDDQ) * 4;
soc_iddq_value = tegra_fuse_readl(FUSE_SOC_IDDQ) * 4;
gpu_iddq_value = tegra_fuse_readl(FUSE_GPU_IDDQ) * 5;
/*
* Determine CPU, GPU, SOC speedo values depending on speedo fusing
* revision. Note that GPU speedo value is fused in CPU_SPEEDO_2
*/
speedo_rev = get_speedo_rev();
if (speedo_rev >= 3) {
cpu_speedo_value = cpu_speedo_0_value;
gpu_speedo_value = cpu_speedo_2_value;
soc_speedo_value = soc_speedo_0_value;
} else if (speedo_rev == 2) {
cpu_speedo_value = (-1938 + (1095*cpu_speedo_0_value/100)) / 10;
gpu_speedo_value = (-1662 + (1082*cpu_speedo_2_value/100)) / 10;
soc_speedo_value = (-705 + (1037*soc_speedo_0_value/100)) / 10;
} else {
/* FIXME: do we need hard-coded IDDQ here? */
cpu_speedo_value = TEGRA21_CPU_SPEEDO;
gpu_speedo_value = cpu_speedo_2_value - TEGRA21_GPU_SPEEDO_OFFS;
soc_speedo_value = TEGRA21_SOC_SPEEDO;
}
if (cpu_speedo_value <= 0) {
cpu_speedo_value = TEGRA21_CPU_SPEEDO;
pr_warn("Tegra21: Warning: CPU Speedo value not fused. PLEASE FIX!!!!!!!!!!!\n");
pr_warn("Tegra21: Warning: PLEASE USE BOARD WITH FUSED SPEEDO VALUE !!!!\n");
}
if (gpu_speedo_value <= 0) {
gpu_speedo_value = TEGRA21_GPU_SPEEDO;
pr_warn("Tegra21: Warning: GPU Speedo value not fused. PLEASE FIX!!!!!!!!!!!\n");
pr_warn("Tegra21: Warning: PLEASE USE BOARD WITH FUSED SPEEDO VALUE !!!!\n");
}
if (soc_speedo_value <= 0) {
soc_speedo_value = TEGRA21_SOC_SPEEDO;
pr_warn("Tegra21: Warning: SOC Speedo value not fused. PLEASE FIX!!!!!!!!!!!\n");
pr_warn("Tegra21: Warning: PLEASE USE BOARD WITH FUSED SPEEDO VALUE !!!!\n");
}
/* Map chip sku, rev, speedo values into speedo and process IDs */
tegra_sku_id = tegra_get_sku_id();
rev_sku_to_speedo_ids(tegra_revision, tegra_sku_id, speedo_rev);
for (i = 0; i < GPU_PROCESS_CORNERS_NUM; i++) {
if (gpu_speedo_value <
gpu_process_speedos[threshold_index][i]) {
break;
}
}
gpu_process_id = i;
for (i = 0; i < CPU_PROCESS_CORNERS_NUM; i++) {
if (cpu_speedo_value <
cpu_process_speedos[threshold_index][i]) {
break;
}
}
cpu_process_id = i;
for (i = 0; i < CORE_PROCESS_CORNERS_NUM; i++) {
if (soc_speedo_value <
core_process_speedos[threshold_index][i]) {
break;
}
}
core_process_id = i;
pr_info("Tegra21: Speedo/IDDQ fuse revision %d\n", speedo_rev);
pr_info("Tegra21: CPU Speedo ID %d, Soc Speedo ID %d, Gpu Speedo ID %d\n",
cpu_speedo_id, soc_speedo_id, gpu_speedo_id);
pr_info("Tegra21: CPU Process ID %d, Soc Process ID %d, Gpu Process ID %d\n",
cpu_process_id, core_process_id, gpu_process_id);
pr_info("Tegra21: CPU Speedo value %d, Soc Speedo value %d, Gpu Speedo value %d\n",
cpu_speedo_value, soc_speedo_value, gpu_speedo_value);
pr_info("Tegra21: CPU IDDQ %d, Soc IDDQ %d, Gpu IDDQ %d\n",
cpu_iddq_value, soc_iddq_value, gpu_iddq_value);
}
