arch/powerpc/include/asm/cell-regs.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * cbe_regs.h
   4  *
   5  * This file is intended to hold the various register definitions for CBE
   6  * on-chip system devices (memory controller, IO controller, etc...)
   7  *
   8  * (C) Copyright IBM Corporation 2001,2006
   9  *
  10  * Authors: Maximino Aguilar (maguilar@us.ibm.com)
  11  *          David J. Erb (djerb@us.ibm.com)
  12  *
  13  * (c) 2006 Benjamin Herrenschmidt <benh@kernel.crashing.org>, IBM Corp.
  14  */
  15
  16 #ifndef CBE_REGS_H
  17 #define CBE_REGS_H
  18
  19 #include <asm/cell-pmu.h>
  20
  21 /*
  22  *
  23  * Some HID register definitions
  24  *
  25  */
  26
  27 /* CBE specific HID0 bits */
  28 #define HID0_CBE_THERM_WAKEUP   0x0000020000000000ul
  29 #define HID0_CBE_SYSERR_WAKEUP  0x0000008000000000ul
  30 #define HID0_CBE_THERM_INT_EN   0x0000000400000000ul
  31 #define HID0_CBE_SYSERR_INT_EN  0x0000000200000000ul
  32
  33 #define MAX_CBE         2
  34
  35 /*
  36  *
  37  * Pervasive unit register definitions
  38  *
  39  */
  40
  41 union spe_reg {
  42         u64 val;
  43         u8 spe[8];
  44 };
  45
  46 union ppe_spe_reg {
  47         u64 val;
  48         struct {
  49                 u32 ppe;
  50                 u32 spe;
  51         };
  52 };
  53
  54
  55 struct cbe_pmd_regs {
  56         /* Debug Bus Control */
  57         u64     pad_0x0000;                                     /* 0x0000 */
  58
  59         u64     group_control;                                  /* 0x0008 */
  60
  61         u8      pad_0x0010_0x00a8 [0x00a8 - 0x0010];            /* 0x0010 */
  62
  63         u64     debug_bus_control;                              /* 0x00a8 */
  64
  65         u8      pad_0x00b0_0x0100 [0x0100 - 0x00b0];            /* 0x00b0 */
  66
  67         u64     trace_aux_data;                                 /* 0x0100 */
  68         u64     trace_buffer_0_63;                              /* 0x0108 */
  69         u64     trace_buffer_64_127;                            /* 0x0110 */
  70         u64     trace_address;                                  /* 0x0118 */
  71         u64     ext_tr_timer;                                   /* 0x0120 */
  72
  73         u8      pad_0x0128_0x0400 [0x0400 - 0x0128];            /* 0x0128 */
  74
  75         /* Performance Monitor */
  76         u64     pm_status;                                      /* 0x0400 */
  77         u64     pm_control;                                     /* 0x0408 */
  78         u64     pm_interval;                                    /* 0x0410 */
  79         u64     pm_ctr[4];                                      /* 0x0418 */
  80         u64     pm_start_stop;                                  /* 0x0438 */
  81         u64     pm07_control[8];                                /* 0x0440 */
  82
  83         u8      pad_0x0480_0x0800 [0x0800 - 0x0480];            /* 0x0480 */
  84
  85         /* Thermal Sensor Registers */
  86         union   spe_reg ts_ctsr1;                               /* 0x0800 */
  87         u64     ts_ctsr2;                                       /* 0x0808 */
  88         union   spe_reg ts_mtsr1;                               /* 0x0810 */
  89         u64     ts_mtsr2;                                       /* 0x0818 */
  90         union   spe_reg ts_itr1;                                /* 0x0820 */
  91         u64     ts_itr2;                                        /* 0x0828 */
  92         u64     ts_gitr;                                        /* 0x0830 */
  93         u64     ts_isr;                                         /* 0x0838 */
  94         u64     ts_imr;                                         /* 0x0840 */
  95         union   spe_reg tm_cr1;                                 /* 0x0848 */
  96         u64     tm_cr2;                                         /* 0x0850 */
  97         u64     tm_simr;                                        /* 0x0858 */
  98         union   ppe_spe_reg tm_tpr;                             /* 0x0860 */
  99         union   spe_reg tm_str1;                                /* 0x0868 */
 100         u64     tm_str2;                                        /* 0x0870 */
 101         union   ppe_spe_reg tm_tsr;                             /* 0x0878 */
 102
 103         /* Power Management */
 104         u64     pmcr;                                           /* 0x0880 */
 105 #define CBE_PMD_PAUSE_ZERO_CONTROL      0x10000
 106         u64     pmsr;                                           /* 0x0888 */
 107
 108         /* Time Base Register */
 109         u64     tbr;                                            /* 0x0890 */
 110
 111         u8      pad_0x0898_0x0c00 [0x0c00 - 0x0898];            /* 0x0898 */
 112
 113         /* Fault Isolation Registers */
 114         u64     checkstop_fir;                                  /* 0x0c00 */
 115         u64     recoverable_fir;                                /* 0x0c08 */
 116         u64     spec_att_mchk_fir;                              /* 0x0c10 */
 117         u32     fir_mode_reg;                                   /* 0x0c18 */
 118         u8      pad_0x0c1c_0x0c20 [4];                          /* 0x0c1c */
 119 #define CBE_PMD_FIR_MODE_M8             0x00800
 120         u64     fir_enable_mask;                                /* 0x0c20 */
 121
 122         u8      pad_0x0c28_0x0ca8 [0x0ca8 - 0x0c28];            /* 0x0c28 */
 123         u64     ras_esc_0;                                      /* 0x0ca8 */
 124         u8      pad_0x0cb0_0x1000 [0x1000 - 0x0cb0];            /* 0x0cb0 */
 125 };
 126
 127 extern struct cbe_pmd_regs __iomem *cbe_get_pmd_regs(struct device_node *np);
 128 extern struct cbe_pmd_regs __iomem *cbe_get_cpu_pmd_regs(int cpu);
 129
 130 /*
 131  * PMU shadow registers
 132  *
 133  * Many of the registers in the performance monitoring unit are write-only,
 134  * so we need to save a copy of what we write to those registers.
 135  *
 136  * The actual data counters are read/write. However, writing to the counters
 137  * only takes effect if the PMU is enabled. Otherwise the value is stored in
 138  * a hardware latch until the next time the PMU is enabled. So we save a copy
 139  * of the counter values if we need to read them back while the PMU is
 140  * disabled. The counter_value_in_latch field is a bitmap indicating which
 141  * counters currently have a value waiting to be written.
 142  */
 143
 144 struct cbe_pmd_shadow_regs {
 145         u32 group_control;
 146         u32 debug_bus_control;
 147         u32 trace_address;
 148         u32 ext_tr_timer;
 149         u32 pm_status;
 150         u32 pm_control;
 151         u32 pm_interval;
 152         u32 pm_start_stop;
 153         u32 pm07_control[NR_CTRS];
 154
 155         u32 pm_ctr[NR_PHYS_CTRS];
 156         u32 counter_value_in_latch;
 157 };
 158
 159 extern struct cbe_pmd_shadow_regs *cbe_get_pmd_shadow_regs(struct device_node *np);
 160 extern struct cbe_pmd_shadow_regs *cbe_get_cpu_pmd_shadow_regs(int cpu);
 161
 162 /*
 163  *
 164  * IIC unit register definitions
 165  *
 166  */
 167
 168 struct cbe_iic_pending_bits {
 169         u32 data;
 170         u8 flags;
 171         u8 class;
 172         u8 source;
 173         u8 prio;
 174 };
 175
 176 #define CBE_IIC_IRQ_VALID       0x80
 177 #define CBE_IIC_IRQ_IPI         0x40
 178
 179 struct cbe_iic_thread_regs {
 180         struct cbe_iic_pending_bits pending;
 181         struct cbe_iic_pending_bits pending_destr;
 182         u64 generate;
 183         u64 prio;
 184 };
 185
 186 struct cbe_iic_regs {
 187         u8      pad_0x0000_0x0400[0x0400 - 0x0000];             /* 0x0000 */
 188
 189         /* IIC interrupt registers */
 190         struct  cbe_iic_thread_regs thread[2];                  /* 0x0400 */
 191
 192         u64     iic_ir;                                         /* 0x0440 */
 193 #define CBE_IIC_IR_PRIO(x)      (((x) & 0xf) << 12)
 194 #define CBE_IIC_IR_DEST_NODE(x) (((x) & 0xf) << 4)
 195 #define CBE_IIC_IR_DEST_UNIT(x) ((x) & 0xf)
 196 #define CBE_IIC_IR_IOC_0        0x0
 197 #define CBE_IIC_IR_IOC_1S       0xb
 198 #define CBE_IIC_IR_PT_0         0xe
 199 #define CBE_IIC_IR_PT_1         0xf
 200
 201         u64     iic_is;                                         /* 0x0448 */
 202 #define CBE_IIC_IS_PMI          0x2
 203
 204         u8      pad_0x0450_0x0500[0x0500 - 0x0450];             /* 0x0450 */
 205
 206         /* IOC FIR */
 207         u64     ioc_fir_reset;                                  /* 0x0500 */
 208         u64     ioc_fir_set;                                    /* 0x0508 */
 209         u64     ioc_checkstop_enable;                           /* 0x0510 */
 210         u64     ioc_fir_error_mask;                             /* 0x0518 */
 211         u64     ioc_syserr_enable;                              /* 0x0520 */
 212         u64     ioc_fir;                                        /* 0x0528 */
 213
 214         u8      pad_0x0530_0x1000[0x1000 - 0x0530];             /* 0x0530 */
 215 };
 216
 217 extern struct cbe_iic_regs __iomem *cbe_get_iic_regs(struct device_node *np);
 218 extern struct cbe_iic_regs __iomem *cbe_get_cpu_iic_regs(int cpu);
 219
 220
 221 struct cbe_mic_tm_regs {
 222         u8      pad_0x0000_0x0040[0x0040 - 0x0000];             /* 0x0000 */
 223
 224         u64     mic_ctl_cnfg2;                                  /* 0x0040 */
 225 #define CBE_MIC_ENABLE_AUX_TRC          0x8000000000000000LL
 226 #define CBE_MIC_DISABLE_PWR_SAV_2       0x0200000000000000LL
 227 #define CBE_MIC_DISABLE_AUX_TRC_WRAP    0x0100000000000000LL
 228 #define CBE_MIC_ENABLE_AUX_TRC_INT      0x0080000000000000LL
 229
 230         u64     pad_0x0048;                                     /* 0x0048 */
 231
 232         u64     mic_aux_trc_base;                               /* 0x0050 */
 233         u64     mic_aux_trc_max_addr;                           /* 0x0058 */
 234         u64     mic_aux_trc_cur_addr;                           /* 0x0060 */
 235         u64     mic_aux_trc_grf_addr;                           /* 0x0068 */
 236         u64     mic_aux_trc_grf_data;                           /* 0x0070 */
 237
 238         u64     pad_0x0078;                                     /* 0x0078 */
 239
 240         u64     mic_ctl_cnfg_0;                                 /* 0x0080 */
 241 #define CBE_MIC_DISABLE_PWR_SAV_0       0x8000000000000000LL
 242
 243         u64     pad_0x0088;                                     /* 0x0088 */
 244
 245         u64     slow_fast_timer_0;                              /* 0x0090 */
 246         u64     slow_next_timer_0;                              /* 0x0098 */
 247
 248         u8      pad_0x00a0_0x00f8[0x00f8 - 0x00a0];             /* 0x00a0 */
 249         u64     mic_df_ecc_address_0;                           /* 0x00f8 */
 250
 251         u8      pad_0x0100_0x01b8[0x01b8 - 0x0100];             /* 0x0100 */
 252         u64     mic_df_ecc_address_1;                           /* 0x01b8 */
 253
 254         u64     mic_ctl_cnfg_1;                                 /* 0x01c0 */
 255 #define CBE_MIC_DISABLE_PWR_SAV_1       0x8000000000000000LL
 256
 257         u64     pad_0x01c8;                                     /* 0x01c8 */
 258
 259         u64     slow_fast_timer_1;                              /* 0x01d0 */
 260         u64     slow_next_timer_1;                              /* 0x01d8 */
 261
 262         u8      pad_0x01e0_0x0208[0x0208 - 0x01e0];             /* 0x01e0 */
 263         u64     mic_exc;                                        /* 0x0208 */
 264 #define CBE_MIC_EXC_BLOCK_SCRUB         0x0800000000000000ULL
 265 #define CBE_MIC_EXC_FAST_SCRUB          0x0100000000000000ULL
 266
 267         u64     mic_mnt_cfg;                                    /* 0x0210 */
 268 #define CBE_MIC_MNT_CFG_CHAN_0_POP      0x0002000000000000ULL
 269 #define CBE_MIC_MNT_CFG_CHAN_1_POP      0x0004000000000000ULL
 270
 271         u64     mic_df_config;                                  /* 0x0218 */
 272 #define CBE_MIC_ECC_DISABLE_0           0x4000000000000000ULL
 273 #define CBE_MIC_ECC_REP_SINGLE_0        0x2000000000000000ULL
 274 #define CBE_MIC_ECC_DISABLE_1           0x0080000000000000ULL
 275 #define CBE_MIC_ECC_REP_SINGLE_1        0x0040000000000000ULL
 276
 277         u8      pad_0x0220_0x0230[0x0230 - 0x0220];             /* 0x0220 */
 278         u64     mic_fir;                                        /* 0x0230 */
 279 #define CBE_MIC_FIR_ECC_SINGLE_0_ERR    0x0200000000000000ULL
 280 #define CBE_MIC_FIR_ECC_MULTI_0_ERR     0x0100000000000000ULL
 281 #define CBE_MIC_FIR_ECC_SINGLE_1_ERR    0x0080000000000000ULL
 282 #define CBE_MIC_FIR_ECC_MULTI_1_ERR     0x0040000000000000ULL
 283 #define CBE_MIC_FIR_ECC_ERR_MASK        0xffff000000000000ULL
 284 #define CBE_MIC_FIR_ECC_SINGLE_0_CTE    0x0000020000000000ULL
 285 #define CBE_MIC_FIR_ECC_MULTI_0_CTE     0x0000010000000000ULL
 286 #define CBE_MIC_FIR_ECC_SINGLE_1_CTE    0x0000008000000000ULL
 287 #define CBE_MIC_FIR_ECC_MULTI_1_CTE     0x0000004000000000ULL
 288 #define CBE_MIC_FIR_ECC_CTE_MASK        0x0000ffff00000000ULL
 289 #define CBE_MIC_FIR_ECC_SINGLE_0_RESET  0x0000000002000000ULL
 290 #define CBE_MIC_FIR_ECC_MULTI_0_RESET   0x0000000001000000ULL
 291 #define CBE_MIC_FIR_ECC_SINGLE_1_RESET  0x0000000000800000ULL
 292 #define CBE_MIC_FIR_ECC_MULTI_1_RESET   0x0000000000400000ULL
 293 #define CBE_MIC_FIR_ECC_RESET_MASK      0x00000000ffff0000ULL
 294 #define CBE_MIC_FIR_ECC_SINGLE_0_SET    0x0000000000000200ULL
 295 #define CBE_MIC_FIR_ECC_MULTI_0_SET     0x0000000000000100ULL
 296 #define CBE_MIC_FIR_ECC_SINGLE_1_SET    0x0000000000000080ULL
 297 #define CBE_MIC_FIR_ECC_MULTI_1_SET     0x0000000000000040ULL
 298 #define CBE_MIC_FIR_ECC_SET_MASK        0x000000000000ffffULL
 299         u64     mic_fir_debug;                                  /* 0x0238 */
 300
 301         u8      pad_0x0240_0x1000[0x1000 - 0x0240];             /* 0x0240 */
 302 };
 303
 304 extern struct cbe_mic_tm_regs __iomem *cbe_get_mic_tm_regs(struct device_node *np);
 305 extern struct cbe_mic_tm_regs __iomem *cbe_get_cpu_mic_tm_regs(int cpu);
 306
 307
 308 /* Cell page table entries */
 309 #define CBE_IOPTE_PP_W          0x8000000000000000ul /* protection: write */
 310 #define CBE_IOPTE_PP_R          0x4000000000000000ul /* protection: read */
 311 #define CBE_IOPTE_M             0x2000000000000000ul /* coherency required */
 312 #define CBE_IOPTE_SO_R          0x1000000000000000ul /* ordering: writes */
 313 #define CBE_IOPTE_SO_RW         0x1800000000000000ul /* ordering: r & w */
 314 #define CBE_IOPTE_RPN_Mask      0x07fffffffffff000ul /* RPN */
 315 #define CBE_IOPTE_H             0x0000000000000800ul /* cache hint */
 316 #define CBE_IOPTE_IOID_Mask     0x00000000000007fful /* ioid */
 317
 318 /* some utility functions to deal with SMT */
 319 extern u32 cbe_get_hw_thread_id(int cpu);
 320 extern u32 cbe_cpu_to_node(int cpu);
 321 extern u32 cbe_node_to_cpu(int node);
 322
 323 /* Init this module early */
 324 extern void cbe_regs_init(void);
 325
 326
 327 #endif /* CBE_REGS_H */