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 41union spe_reg { 42 u64 val; 43 u8 spe[8]; 44}; 45 46union ppe_spe_reg { 47 u64 val; 48 struct { 49 u32 ppe; 50 u32 spe; 51 }; 52}; 53 54 55struct 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 127extern struct cbe_pmd_regs __iomem *cbe_get_pmd_regs(struct device_node *np); 128extern 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 144struct 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 159extern struct cbe_pmd_shadow_regs *cbe_get_pmd_shadow_regs(struct device_node *np); 160extern struct cbe_pmd_shadow_regs *cbe_get_cpu_pmd_shadow_regs(int cpu); 161 162/* 163 * 164 * IIC unit register definitions 165 * 166 */ 167 168struct 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 179struct 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 186struct 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 217extern struct cbe_iic_regs __iomem *cbe_get_iic_regs(struct device_node *np); 218extern struct cbe_iic_regs __iomem *cbe_get_cpu_iic_regs(int cpu); 219 220 221struct 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 304extern struct cbe_mic_tm_regs __iomem *cbe_get_mic_tm_regs(struct device_node *np); 305extern 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 */ 319extern u32 cbe_get_hw_thread_id(int cpu); 320extern u32 cbe_cpu_to_node(int cpu); 321extern u32 cbe_node_to_cpu(int node); 322 323/* Init this module early */ 324extern void cbe_regs_init(void); 325 326 327#endif /* CBE_REGS_H */ 328