[JFFS2] Improve getdents vs. f_pos handling on NOR flash.

[linux-2.6] / include / asm-avr32 / sysreg.h

/*
 * AVR32 System Registers
 *
 * Copyright (C) 2004-2006 Atmel Corporation
 *
 * 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 __ASM_AVR32_SYSREG_H
#define __ASM_AVR32_SYSREG_H

/* sysreg register offsets */
#define SYSREG_SR                               0x0000
#define SYSREG_EVBA                             0x0004
#define SYSREG_ACBA                             0x0008
#define SYSREG_CPUCR                            0x000c
#define SYSREG_ECR                              0x0010
#define SYSREG_RSR_SUP                          0x0014
#define SYSREG_RSR_INT0                         0x0018
#define SYSREG_RSR_INT1                         0x001c
#define SYSREG_RSR_INT2                         0x0020
#define SYSREG_RSR_INT3                         0x0024
#define SYSREG_RSR_EX                           0x0028
#define SYSREG_RSR_NMI                          0x002c
#define SYSREG_RSR_DBG                          0x0030
#define SYSREG_RAR_SUP                          0x0034
#define SYSREG_RAR_INT0                         0x0038
#define SYSREG_RAR_INT1                         0x003c
#define SYSREG_RAR_INT2                         0x0040
#define SYSREG_RAR_INT3                         0x0044
#define SYSREG_RAR_EX                           0x0048
#define SYSREG_RAR_NMI                          0x004c
#define SYSREG_RAR_DBG                          0x0050
#define SYSREG_JECR                             0x0054
#define SYSREG_JOSP                             0x0058
#define SYSREG_JAVA_LV0                         0x005c
#define SYSREG_JAVA_LV1                         0x0060
#define SYSREG_JAVA_LV2                         0x0064
#define SYSREG_JAVA_LV3                         0x0068
#define SYSREG_JAVA_LV4                         0x006c
#define SYSREG_JAVA_LV5                         0x0070
#define SYSREG_JAVA_LV6                         0x0074
#define SYSREG_JAVA_LV7                         0x0078
#define SYSREG_JTBA                             0x007c
#define SYSREG_JBCR                             0x0080
#define SYSREG_CONFIG0                          0x0100
#define SYSREG_CONFIG1                          0x0104
#define SYSREG_COUNT                            0x0108
#define SYSREG_COMPARE                          0x010c
#define SYSREG_TLBEHI                           0x0110
#define SYSREG_TLBELO                           0x0114
#define SYSREG_PTBR                             0x0118
#define SYSREG_TLBEAR                           0x011c
#define SYSREG_MMUCR                            0x0120
#define SYSREG_TLBARLO                          0x0124
#define SYSREG_TLBARHI                          0x0128
#define SYSREG_PCCNT                            0x012c
#define SYSREG_PCNT0                            0x0130
#define SYSREG_PCNT1                            0x0134
#define SYSREG_PCCR                             0x0138
#define SYSREG_BEAR                             0x013c
#define SYSREG_SABAL                            0x0300
#define SYSREG_SABAH                            0x0304
#define SYSREG_SABD                             0x0308

/* Bitfields in SR */
#define SYSREG_SR_C_OFFSET                      0
#define SYSREG_SR_C_SIZE                        1
#define SYSREG_Z_OFFSET                         1
#define SYSREG_Z_SIZE                           1
#define SYSREG_SR_N_OFFSET                      2
#define SYSREG_SR_N_SIZE                        1
#define SYSREG_SR_V_OFFSET                      3
#define SYSREG_SR_V_SIZE                        1
#define SYSREG_Q_OFFSET                         4
#define SYSREG_Q_SIZE                           1
#define SYSREG_L_OFFSET                         5
#define SYSREG_L_SIZE                           1
#define SYSREG_T_OFFSET                         14
#define SYSREG_T_SIZE                           1
#define SYSREG_SR_R_OFFSET                      15
#define SYSREG_SR_R_SIZE                        1
#define SYSREG_GM_OFFSET                        16
#define SYSREG_GM_SIZE                          1
#define SYSREG_I0M_OFFSET                       17
#define SYSREG_I0M_SIZE                         1
#define SYSREG_I1M_OFFSET                       18
#define SYSREG_I1M_SIZE                         1
#define SYSREG_I2M_OFFSET                       19
#define SYSREG_I2M_SIZE                         1
#define SYSREG_I3M_OFFSET                       20
#define SYSREG_I3M_SIZE                         1
#define SYSREG_EM_OFFSET                        21
#define SYSREG_EM_SIZE                          1
#define SYSREG_M0_OFFSET                        22
#define SYSREG_M0_SIZE                          1
#define SYSREG_M1_OFFSET                        23
#define SYSREG_M1_SIZE                          1
#define SYSREG_M2_OFFSET                        24
#define SYSREG_M2_SIZE                          1
#define SYSREG_SR_D_OFFSET                      26
#define SYSREG_SR_D_SIZE                        1
#define SYSREG_DM_OFFSET                        27
#define SYSREG_DM_SIZE                          1
#define SYSREG_SR_J_OFFSET                      28
#define SYSREG_SR_J_SIZE                        1
#define SYSREG_H_OFFSET                         29
#define SYSREG_H_SIZE                           1

/* Bitfields in CPUCR */
#define SYSREG_BI_OFFSET                        0
#define SYSREG_BI_SIZE                          1
#define SYSREG_BE_OFFSET                        1
#define SYSREG_BE_SIZE                          1
#define SYSREG_FE_OFFSET                        2
#define SYSREG_FE_SIZE                          1
#define SYSREG_RE_OFFSET                        3
#define SYSREG_RE_SIZE                          1
#define SYSREG_IBE_OFFSET                       4
#define SYSREG_IBE_SIZE                         1
#define SYSREG_IEE_OFFSET                       5
#define SYSREG_IEE_SIZE                         1

/* Bitfields in CONFIG0 */
#define SYSREG_CONFIG0_R_OFFSET                 0
#define SYSREG_CONFIG0_R_SIZE                   1
#define SYSREG_CONFIG0_D_OFFSET                 1
#define SYSREG_CONFIG0_D_SIZE                   1
#define SYSREG_CONFIG0_S_OFFSET                 2
#define SYSREG_CONFIG0_S_SIZE                   1
#define SYSREG_CONFIG0_O_OFFSET                 3
#define SYSREG_CONFIG0_O_SIZE                   1
#define SYSREG_CONFIG0_P_OFFSET                 4
#define SYSREG_CONFIG0_P_SIZE                   1
#define SYSREG_CONFIG0_J_OFFSET                 5
#define SYSREG_CONFIG0_J_SIZE                   1
#define SYSREG_CONFIG0_F_OFFSET                 6
#define SYSREG_CONFIG0_F_SIZE                   1
#define SYSREG_MMUT_OFFSET                      7
#define SYSREG_MMUT_SIZE                        3
#define SYSREG_AR_OFFSET                        10
#define SYSREG_AR_SIZE                          3
#define SYSREG_AT_OFFSET                        13
#define SYSREG_AT_SIZE                          3
#define SYSREG_PROCESSORREVISION_OFFSET         16
#define SYSREG_PROCESSORREVISION_SIZE           8
#define SYSREG_PROCESSORID_OFFSET               24
#define SYSREG_PROCESSORID_SIZE                 8

/* Bitfields in CONFIG1 */
#define SYSREG_DASS_OFFSET                      0
#define SYSREG_DASS_SIZE                        3
#define SYSREG_DLSZ_OFFSET                      3
#define SYSREG_DLSZ_SIZE                        3
#define SYSREG_DSET_OFFSET                      6
#define SYSREG_DSET_SIZE                        4
#define SYSREG_IASS_OFFSET                      10
#define SYSREG_IASS_SIZE                        3
#define SYSREG_ILSZ_OFFSET                      13
#define SYSREG_ILSZ_SIZE                        3
#define SYSREG_ISET_OFFSET                      16
#define SYSREG_ISET_SIZE                        4
#define SYSREG_DMMUSZ_OFFSET                    20
#define SYSREG_DMMUSZ_SIZE                      6
#define SYSREG_IMMUSZ_OFFSET                    26
#define SYSREG_IMMUSZ_SIZE                      6

/* Bitfields in TLBEHI */
#define SYSREG_ASID_OFFSET                      0
#define SYSREG_ASID_SIZE                        8
#define SYSREG_TLBEHI_I_OFFSET                  8
#define SYSREG_TLBEHI_I_SIZE                    1
#define SYSREG_TLBEHI_V_OFFSET                  9
#define SYSREG_TLBEHI_V_SIZE                    1
#define SYSREG_VPN_OFFSET                       10
#define SYSREG_VPN_SIZE                         22

/* Bitfields in TLBELO */
#define SYSREG_W_OFFSET                         0
#define SYSREG_W_SIZE                           1
#define SYSREG_TLBELO_D_OFFSET                  1
#define SYSREG_TLBELO_D_SIZE                    1
#define SYSREG_SZ_OFFSET                        2
#define SYSREG_SZ_SIZE                          2
#define SYSREG_AP_OFFSET                        4
#define SYSREG_AP_SIZE                          3
#define SYSREG_B_OFFSET                         7
#define SYSREG_B_SIZE                           1
#define SYSREG_G_OFFSET                         8
#define SYSREG_G_SIZE                           1
#define SYSREG_TLBELO_C_OFFSET                  9
#define SYSREG_TLBELO_C_SIZE                    1
#define SYSREG_PFN_OFFSET                       10
#define SYSREG_PFN_SIZE                         22

/* Bitfields in MMUCR */
#define SYSREG_E_OFFSET                         0
#define SYSREG_E_SIZE                           1
#define SYSREG_M_OFFSET                         1
#define SYSREG_M_SIZE                           1
#define SYSREG_MMUCR_I_OFFSET                   2
#define SYSREG_MMUCR_I_SIZE                     1
#define SYSREG_MMUCR_N_OFFSET                   3
#define SYSREG_MMUCR_N_SIZE                     1
#define SYSREG_MMUCR_S_OFFSET                   4
#define SYSREG_MMUCR_S_SIZE                     1
#define SYSREG_DLA_OFFSET                       8
#define SYSREG_DLA_SIZE                         6
#define SYSREG_DRP_OFFSET                       14
#define SYSREG_DRP_SIZE                         6
#define SYSREG_ILA_OFFSET                       20
#define SYSREG_ILA_SIZE                         6
#define SYSREG_IRP_OFFSET                       26
#define SYSREG_IRP_SIZE                         6

/* Bitfields in PCCR */
#define SYSREG_PCCR_R_OFFSET                    1
#define SYSREG_PCCR_R_SIZE                      1
#define SYSREG_PCCR_C_OFFSET                    2
#define SYSREG_PCCR_C_SIZE                      1
#define SYSREG_PCCR_S_OFFSET                    3
#define SYSREG_PCCR_S_SIZE                      1
#define SYSREG_IEC_OFFSET                       4
#define SYSREG_IEC_SIZE                         1
#define SYSREG_IE0_OFFSET                       5
#define SYSREG_IE0_SIZE                         1
#define SYSREG_IE1_OFFSET                       6
#define SYSREG_IE1_SIZE                         1
#define SYSREG_FC_OFFSET                        8
#define SYSREG_FC_SIZE                          1
#define SYSREG_F0_OFFSET                        9
#define SYSREG_F0_SIZE                          1
#define SYSREG_F1_OFFSET                        10
#define SYSREG_F1_SIZE                          1
#define SYSREG_CONF0_OFFSET                     12
#define SYSREG_CONF0_SIZE                       6
#define SYSREG_CONF1_OFFSET                     18
#define SYSREG_CONF1_SIZE                       6

/* Constants for ECR */
#define ECR_UNRECOVERABLE                       0
#define ECR_TLB_MULTIPLE                        1
#define ECR_BUS_ERROR_WRITE                     2
#define ECR_BUS_ERROR_READ                      3
#define ECR_NMI                                 4
#define ECR_ADDR_ALIGN_X                        5
#define ECR_PROTECTION_X                        6
#define ECR_DEBUG                               7
#define ECR_ILLEGAL_OPCODE                      8
#define ECR_UNIMPL_INSTRUCTION                  9
#define ECR_PRIVILEGE_VIOLATION                 10
#define ECR_FPE                                 11
#define ECR_COPROC_ABSENT                       12
#define ECR_ADDR_ALIGN_R                        13
#define ECR_ADDR_ALIGN_W                        14
#define ECR_PROTECTION_R                        15
#define ECR_PROTECTION_W                        16
#define ECR_DTLB_MODIFIED                       17
#define ECR_TLB_MISS_X                          20
#define ECR_TLB_MISS_R                          24
#define ECR_TLB_MISS_W                          28

/* Bit manipulation macros */
#define SYSREG_BIT(name)                                \
        (1 << SYSREG_##name##_OFFSET)
#define SYSREG_BF(name,value)                           \
        (((value) & ((1 << SYSREG_##name##_SIZE) - 1))  \
         << SYSREG_##name##_OFFSET)
#define SYSREG_BFEXT(name,value)\
        (((value) >> SYSREG_##name##_OFFSET)            \
         & ((1 << SYSREG_##name##_SIZE) - 1))
#define SYSREG_BFINS(name,value,old)                    \
        (((old) & ~(((1 << SYSREG_##name##_SIZE) - 1)   \
                    << SYSREG_##name##_OFFSET))         \
         | SYSREG_BF(name,value))

/* Register access macros */
#ifdef __CHECKER__
extern unsigned long __builtin_mfsr(unsigned long reg);
extern void __builtin_mtsr(unsigned long reg, unsigned long value);
#endif

#define sysreg_read(reg)                __builtin_mfsr(SYSREG_##reg)
#define sysreg_write(reg, value)        __builtin_mtsr(SYSREG_##reg, value)

#endif /* __ASM_AVR32_SYSREG_H */