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r: 360166
b: refs/heads/master
c: af61742
h: refs/heads/master
v: v3
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Vineet Gupta committed Feb 15, 2013
1 parent 31f64f2 commit 1e670c8
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Showing 8 changed files with 491 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f46121bd26d7957866739313f1e098a682e8d3e4
refs/heads/master: af61742813aa9dde65ca796801e36d03b83fa79f
2 changes: 2 additions & 0 deletions trunk/arch/arc/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ export PLATFORM
cflags-y += -Iarch/arc/plat-$(PLATFORM)/include
cflags-y += -mA7 -fno-common -pipe -fno-builtin -D__linux__

LINUXINCLUDE += -include ${src}/arch/arc/include/asm/defines.h

ifdef CONFIG_ARC_CURR_IN_REG
# For a global register defintion, make sure it gets passed to every file
# We had a customer reported bug where some code built in kernel was NOT using
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122 changes: 112 additions & 10 deletions trunk/arch/arc/include/asm/arcregs.h
Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,26 @@
#ifdef __KERNEL__

/* Build Configuration Registers */
#define ARC_REG_DCCMBASE_BCR 0x61 /* DCCM Base Addr */
#define ARC_REG_CRC_BCR 0x62
#define ARC_REG_DVFB_BCR 0x64
#define ARC_REG_EXTARITH_BCR 0x65
#define ARC_REG_VECBASE_BCR 0x68
#define ARC_REG_PERIBASE_BCR 0x69
#define ARC_REG_FP_BCR 0x6B /* Single-Precision FPU */
#define ARC_REG_DPFP_BCR 0x6C /* Dbl Precision FPU */
#define ARC_REG_MMU_BCR 0x6f
#define ARC_REG_DCCM_BCR 0x74 /* DCCM Present + SZ */
#define ARC_REG_TIMERS_BCR 0x75
#define ARC_REG_ICCM_BCR 0x78
#define ARC_REG_XY_MEM_BCR 0x79
#define ARC_REG_MAC_BCR 0x7a
#define ARC_REG_MUL_BCR 0x7b
#define ARC_REG_SWAP_BCR 0x7c
#define ARC_REG_NORM_BCR 0x7d
#define ARC_REG_MIXMAX_BCR 0x7e
#define ARC_REG_BARREL_BCR 0x7f
#define ARC_REG_D_UNCACH_BCR 0x6A

/* status32 Bits Positions */
#define STATUS_H_BIT 0 /* CPU Halted */
Expand Down Expand Up @@ -88,16 +106,6 @@
#define TIMER_CTRL_IE (1 << 0) /* Interupt when Count reachs limit */
#define TIMER_CTRL_NH (1 << 1) /* Count only when CPU NOT halted */

#if defined(CONFIG_ARC_MMU_V1)
#define CONFIG_ARC_MMU_VER 1
#elif defined(CONFIG_ARC_MMU_V2)
#define CONFIG_ARC_MMU_VER 2
#elif defined(CONFIG_ARC_MMU_V3)
#define CONFIG_ARC_MMU_VER 3
#else
#error "Error: MMU ver"
#endif

/* MMU Management regs */
#define ARC_REG_TLBPD0 0x405
#define ARC_REG_TLBPD1 0x406
Expand Down Expand Up @@ -277,6 +285,13 @@ struct arc_fpu {
***************************************************************
* Build Configuration Registers, with encoded hardware config
*/
struct bcr_identity {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int chip_id:16, cpu_id:8, family:8;
#else
unsigned int family:8, cpu_id:8, chip_id:16;
#endif
};

struct bcr_mmu_1_2 {
#ifdef CONFIG_CPU_BIG_ENDIAN
Expand All @@ -296,6 +311,38 @@ struct bcr_mmu_3 {
#endif
};

#define EXTN_SWAP_VALID 0x1
#define EXTN_NORM_VALID 0x2
#define EXTN_MINMAX_VALID 0x2
#define EXTN_BARREL_VALID 0x2

struct bcr_extn {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad:20, crc:1, ext_arith:2, mul:2, barrel:2, minmax:2,
norm:2, swap:1;
#else
unsigned int swap:1, norm:2, minmax:2, barrel:2, mul:2, ext_arith:2,
crc:1, pad:20;
#endif
};

/* DSP Options Ref Manual */
struct bcr_extn_mac_mul {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad:16, type:8, ver:8;
#else
unsigned int ver:8, type:8, pad:16;
#endif
};

struct bcr_extn_xymem {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int ram_org:2, num_banks:4, bank_sz:4, ver:8;
#else
unsigned int ver:8, bank_sz:4, num_banks:4, ram_org:2;
#endif
};

struct bcr_cache {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad:12, line_len:4, sz:4, config:4, ver:8;
Expand All @@ -304,6 +351,48 @@ struct bcr_cache {
#endif
};

struct bcr_perip {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int start:8, pad2:8, sz:8, pad:8;
#else
unsigned int pad:8, sz:8, pad2:8, start:8;
#endif
};
struct bcr_iccm {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int base:16, pad:5, sz:3, ver:8;
#else
unsigned int ver:8, sz:3, pad:5, base:16;
#endif
};

/* DCCM Base Address Register: ARC_REG_DCCMBASE_BCR */
struct bcr_dccm_base {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int addr:24, ver:8;
#else
unsigned int ver:8, addr:24;
#endif
};

/* DCCM RAM Configuration Register: ARC_REG_DCCM_BCR */
struct bcr_dccm {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int res:21, sz:3, ver:8;
#else
unsigned int ver:8, sz:3, res:21;
#endif
};

/* Both SP and DP FPU BCRs have same format */
struct bcr_fp {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int fast:1, ver:8;
#else
unsigned int ver:8, fast:1;
#endif
};

/*
*******************************************************************
* Generic structures to hold build configuration used at runtime
Expand All @@ -317,9 +406,22 @@ struct cpuinfo_arc_cache {
unsigned int has_aliasing, sz, line_len, assoc, ver;
};

struct cpuinfo_arc_ccm {
unsigned int base_addr, sz;
};

struct cpuinfo_arc {
struct cpuinfo_arc_cache icache, dcache;
struct cpuinfo_arc_mmu mmu;
struct bcr_identity core;
unsigned int timers;
unsigned int vec_base;
unsigned int uncached_base;
struct cpuinfo_arc_ccm iccm, dccm;
struct bcr_extn extn;
struct bcr_extn_xymem extn_xymem;
struct bcr_extn_mac_mul extn_mac_mul;
struct bcr_fp fp, dpfp;
};

extern struct cpuinfo_arc cpuinfo_arc700[];
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56 changes: 56 additions & 0 deletions trunk/arch/arc/include/asm/defines.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,56 @@
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/

#ifndef __ARC_ASM_DEFINES_H__
#define __ARC_ASM_DEFINES_H__

#if defined(CONFIG_ARC_MMU_V1)
#define CONFIG_ARC_MMU_VER 1
#elif defined(CONFIG_ARC_MMU_V2)
#define CONFIG_ARC_MMU_VER 2
#elif defined(CONFIG_ARC_MMU_V3)
#define CONFIG_ARC_MMU_VER 3
#endif

#ifdef CONFIG_ARC_HAS_LLSC
#define __CONFIG_ARC_HAS_LLSC_VAL 1
#else
#define __CONFIG_ARC_HAS_LLSC_VAL 0
#endif

#ifdef CONFIG_ARC_HAS_SWAPE
#define __CONFIG_ARC_HAS_SWAPE_VAL 1
#else
#define __CONFIG_ARC_HAS_SWAPE_VAL 0
#endif

#ifdef CONFIG_ARC_HAS_RTSC
#define __CONFIG_ARC_HAS_RTSC_VAL 1
#else
#define __CONFIG_ARC_HAS_RTSC_VAL 0
#endif

#ifdef CONFIG_ARC_MMU_SASID
#define __CONFIG_ARC_MMU_SASID_VAL 1
#else
#define __CONFIG_ARC_MMU_SASID_VAL 0
#endif

#ifdef CONFIG_ARC_HAS_ICACHE
#define __CONFIG_ARC_HAS_ICACHE 1
#else
#define __CONFIG_ARC_HAS_ICACHE 0
#endif

#ifdef CONFIG_ARC_HAS_DCACHE
#define __CONFIG_ARC_HAS_DCACHE 1
#else
#define __CONFIG_ARC_HAS_DCACHE 0
#endif

#endif /* __ARC_ASM_DEFINES_H__ */
14 changes: 14 additions & 0 deletions trunk/arch/arc/include/asm/setup.h
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,20 @@

#define COMMAND_LINE_SIZE 256

/*
* Data structure to map a ID to string
* Used a lot for bootup reporting of hardware diversity
*/
struct id_to_str {
int id;
const char *str;
};

struct cpuinfo_data {
struct id_to_str info;
int up_range;
};

extern int root_mountflags, end_mem;
extern int running_on_hw;

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