From: Danny Huang <[email protected]> Add functions to read the speedo and process id of both the CPU and the SoC. There might be some drivers need the information as well.
Signed-off-by: Danny Huang <[email protected]> [[email protected]: cleaned up the patch description; removed functions not used by the DFLL code for now] Signed-off-by: Paul Walmsley <[email protected]> --- arch/arm/mach-tegra/fuse.c | 15 +++++++++++++++ include/linux/tegra-soc.h | 4 +++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c index c9ac23b385be..e3ca8abe858f 100644 --- a/arch/arm/mach-tegra/fuse.c +++ b/arch/arm/mach-tegra/fuse.c @@ -250,3 +250,18 @@ void __init tegra_init_fuse(void) tegra_sku_id, tegra_cpu_process_id, tegra_core_process_id); } + +int tegra_get_cpu_process_id(void) +{ + return tegra_cpu_process_id; +} +EXPORT_SYMBOL(tegra_get_cpu_process_id); + +int tegra_get_cpu_speedo_id(void) +{ + if (tegra_chip_id == TEGRA20) + return -EINVAL; + + return tegra_cpu_speedo_id; +} +EXPORT_SYMBOL(tegra_get_cpu_speedo_id); diff --git a/include/linux/tegra-soc.h b/include/linux/tegra-soc.h index 95f611d78f3a..ec856fdf2ce7 100644 --- a/include/linux/tegra-soc.h +++ b/include/linux/tegra-soc.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2012-2013 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, @@ -18,5 +18,7 @@ #define __LINUX_TEGRA_SOC_H_ u32 tegra_read_chipid(void); +int tegra_get_cpu_process_id(void); +int tegra_get_cpu_speedo_id(void); #endif /* __LINUX_TEGRA_SOC_H_ */ -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
