From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-davinci/include/mach/cputype.h | 94 ++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 arch/arm/mach-davinci/include/mach/cputype.h (limited to 'arch/arm/mach-davinci/include/mach/cputype.h') diff --git a/arch/arm/mach-davinci/include/mach/cputype.h b/arch/arm/mach-davinci/include/mach/cputype.h new file mode 100644 index 00000000..957fb87e --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/cputype.h @@ -0,0 +1,94 @@ +/* + * DaVinci CPU type detection + * + * Author: Kevin Hilman, Deep Root Systems, LLC + * + * Defines the cpu_is_*() macros for runtime detection of DaVinci + * device type. In addition, if support for a given device is not + * compiled in to the kernel, the macros return 0 so that + * resulting code can be optimized out. + * + * 2009 (c) Deep Root Systems, LLC. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef _ASM_ARCH_CPU_H +#define _ASM_ARCH_CPU_H + +#include + +struct davinci_id { + u8 variant; /* JTAG ID bits 31:28 */ + u16 part_no; /* JTAG ID bits 27:12 */ + u16 manufacturer; /* JTAG ID bits 11:1 */ + u32 cpu_id; + char *name; +}; + +/* Can use lower 16 bits of cpu id for a variant when required */ +#define DAVINCI_CPU_ID_DM6446 0x64460000 +#define DAVINCI_CPU_ID_DM6467 0x64670000 +#define DAVINCI_CPU_ID_DM355 0x03550000 +#define DAVINCI_CPU_ID_DM365 0x03650000 +#define DAVINCI_CPU_ID_DA830 0x08300000 +#define DAVINCI_CPU_ID_DA850 0x08500000 +#define DAVINCI_CPU_ID_TNETV107X 0x0b8a0000 + +#define IS_DAVINCI_CPU(type, id) \ +static inline int is_davinci_ ##type(void) \ +{ \ + return (davinci_soc_info.cpu_id == (id)); \ +} + +IS_DAVINCI_CPU(dm644x, DAVINCI_CPU_ID_DM6446) +IS_DAVINCI_CPU(dm646x, DAVINCI_CPU_ID_DM6467) +IS_DAVINCI_CPU(dm355, DAVINCI_CPU_ID_DM355) +IS_DAVINCI_CPU(dm365, DAVINCI_CPU_ID_DM365) +IS_DAVINCI_CPU(da830, DAVINCI_CPU_ID_DA830) +IS_DAVINCI_CPU(da850, DAVINCI_CPU_ID_DA850) +IS_DAVINCI_CPU(tnetv107x, DAVINCI_CPU_ID_TNETV107X) + +#ifdef CONFIG_ARCH_DAVINCI_DM644x +#define cpu_is_davinci_dm644x() is_davinci_dm644x() +#else +#define cpu_is_davinci_dm644x() 0 +#endif + +#ifdef CONFIG_ARCH_DAVINCI_DM646x +#define cpu_is_davinci_dm646x() is_davinci_dm646x() +#else +#define cpu_is_davinci_dm646x() 0 +#endif + +#ifdef CONFIG_ARCH_DAVINCI_DM355 +#define cpu_is_davinci_dm355() is_davinci_dm355() +#else +#define cpu_is_davinci_dm355() 0 +#endif + +#ifdef CONFIG_ARCH_DAVINCI_DM365 +#define cpu_is_davinci_dm365() is_davinci_dm365() +#else +#define cpu_is_davinci_dm365() 0 +#endif + +#ifdef CONFIG_ARCH_DAVINCI_DA830 +#define cpu_is_davinci_da830() is_davinci_da830() +#else +#define cpu_is_davinci_da830() 0 +#endif + +#ifdef CONFIG_ARCH_DAVINCI_DA850 +#define cpu_is_davinci_da850() is_davinci_da850() +#else +#define cpu_is_davinci_da850() 0 +#endif + +#ifdef CONFIG_ARCH_DAVINCI_TNETV107X +#define cpu_is_davinci_tnetv107x() is_davinci_tnetv107x() +#else +#define cpu_is_davinci_tnetv107x() 0 +#endif + +#endif -- cgit v1.2.3