1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2010-2011 Freescale Semiconductor, Inc. 4 */ 5 6 #include <common.h> 7 #include <command.h> 8 #include <linux/compiler.h> 9 #include <fsl_errata.h> 10 #include <asm/processor.h> 11 #include <fsl_usb.h> 12 #include "fsl_corenet_serdes.h" 13 14 #ifdef CONFIG_SYS_FSL_ERRATUM_A004849 15 /* 16 * This work-around is implemented in PBI, so just check to see if the 17 * work-around was actually applied. To do this, we check for specific data 18 * at specific addresses in DCSR. 19 * 20 * Array offsets[] contains a list of offsets within DCSR. According to the 21 * erratum document, the value at each offset should be 2. 22 */ 23 static void check_erratum_a4849(uint32_t svr) 24 { 25 void __iomem *dcsr = (void *)CONFIG_SYS_DCSRBAR + 0xb0000; 26 unsigned int i; 27 28 #if defined(CONFIG_ARCH_P2041) || defined(CONFIG_ARCH_P3041) 29 static const uint8_t offsets[] = { 30 0x50, 0x54, 0x58, 0x90, 0x94, 0x98 31 }; 32 #endif 33 #ifdef CONFIG_ARCH_P4080 34 static const uint8_t offsets[] = { 35 0x60, 0x64, 0x68, 0x6c, 0xa0, 0xa4, 0xa8, 0xac 36 }; 37 #endif 38 uint32_t x108; /* The value that should be at offset 0x108 */ 39 40 for (i = 0; i < ARRAY_SIZE(offsets); i++) { 41 if (in_be32(dcsr + offsets[i]) != 2) { 42 printf("Work-around for Erratum A004849 is not enabled\n"); 43 return; 44 } 45 } 46 47 #if defined(CONFIG_ARCH_P2041) || defined(CONFIG_ARCH_P3041) 48 x108 = 0x12; 49 #endif 50 51 #ifdef CONFIG_ARCH_P4080 52 /* 53 * For P4080, the erratum document says that the value at offset 0x108 54 * should be 0x12 on rev2, or 0x1c on rev3. 55 */ 56 if (SVR_MAJ(svr) == 2) 57 x108 = 0x12; 58 if (SVR_MAJ(svr) == 3) 59 x108 = 0x1c; 60 #endif 61 62 if (in_be32(dcsr + 0x108) != x108) { 63 printf("Work-around for Erratum A004849 is not enabled\n"); 64 return; 65 } 66 67 /* Everything matches, so the erratum work-around was applied */ 68 69 printf("Work-around for Erratum A004849 enabled\n"); 70 } 71 #endif 72 73 #ifdef CONFIG_SYS_FSL_ERRATUM_A004580 74 /* 75 * This work-around is implemented in PBI, so just check to see if the 76 * work-around was actually applied. To do this, we check for specific data 77 * at specific addresses in the SerDes register block. 78 * 79 * The work-around says that for each SerDes lane, write BnTTLCRy0 = 80 * 0x1B00_0001, Register 2 = 0x0088_0000, and Register 3 = 0x4000_0000. 81 82 */ 83 static void check_erratum_a4580(uint32_t svr) 84 { 85 const serdes_corenet_t __iomem *srds_regs = 86 (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; 87 unsigned int lane; 88 89 for (lane = 0; lane < SRDS_MAX_LANES; lane++) { 90 if (serdes_lane_enabled(lane)) { 91 const struct serdes_lane __iomem *srds_lane = 92 &srds_regs->lane[serdes_get_lane_idx(lane)]; 93 94 /* 95 * Verify that the values we were supposed to write in 96 * the PBI are actually there. Also, the lower 15 97 * bits of res4[3] should be the same as the upper 15 98 * bits of res4[1]. 99 */ 100 if ((in_be32(&srds_lane->ttlcr0) != 0x1b000001) || 101 (in_be32(&srds_lane->res4[1]) != 0x880000) || 102 (in_be32(&srds_lane->res4[3]) != 0x40000044)) { 103 printf("Work-around for Erratum A004580 is " 104 "not enabled\n"); 105 return; 106 } 107 } 108 } 109 110 /* Everything matches, so the erratum work-around was applied */ 111 112 printf("Work-around for Erratum A004580 enabled\n"); 113 } 114 #endif 115 116 #ifdef CONFIG_SYS_FSL_ERRATUM_A007212 117 /* 118 * This workaround can be implemented in PBI, or by u-boot. 119 */ 120 static void check_erratum_a007212(void) 121 { 122 u32 __iomem *plldgdcr = (void *)(CONFIG_SYS_DCSRBAR + 0x21c20); 123 124 if (in_be32(plldgdcr) & 0x1fe) { 125 /* check if PLL ratio is set by workaround */ 126 puts("Work-around for Erratum A007212 enabled\n"); 127 } 128 } 129 #endif 130 131 static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 132 { 133 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011 134 extern int enable_cpu_a011_workaround; 135 #endif 136 __maybe_unused u32 svr = get_svr(); 137 138 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_SYS_FSL_ERRATUM_SATA_A001) 139 if (IS_SVR_REV(svr, 1, 0)) { 140 switch (SVR_SOC_VER(svr)) { 141 case SVR_P1013: 142 case SVR_P1022: 143 puts("Work-around for Erratum SATA A001 enabled\n"); 144 } 145 } 146 #endif 147 148 #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES8) 149 puts("Work-around for Erratum SERDES8 enabled\n"); 150 #endif 151 #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES9) 152 puts("Work-around for Erratum SERDES9 enabled\n"); 153 #endif 154 #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES_A005) 155 puts("Work-around for Erratum SERDES-A005 enabled\n"); 156 #endif 157 #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) 158 if (SVR_MAJ(svr) < 3) 159 puts("Work-around for Erratum CPU22 enabled\n"); 160 #endif 161 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011 162 /* 163 * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0 164 * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1 165 * The SVR has been checked by cpu_init_r(). 166 */ 167 if (enable_cpu_a011_workaround) 168 puts("Work-around for Erratum CPU-A011 enabled\n"); 169 #endif 170 #if defined(CONFIG_SYS_FSL_ERRATUM_CPU_A003999) 171 puts("Work-around for Erratum CPU-A003999 enabled\n"); 172 #endif 173 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_A003474) 174 puts("Work-around for Erratum DDR-A003474 enabled\n"); 175 #endif 176 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN) 177 puts("Work-around for DDR MSYNC_IN Erratum enabled\n"); 178 #endif 179 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC111) 180 puts("Work-around for Erratum ESDHC111 enabled\n"); 181 #endif 182 #ifdef CONFIG_SYS_FSL_ERRATUM_A004468 183 puts("Work-around for Erratum A004468 enabled\n"); 184 #endif 185 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC135) 186 puts("Work-around for Erratum ESDHC135 enabled\n"); 187 #endif 188 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC13) 189 if (SVR_MAJ(svr) < 3) 190 puts("Work-around for Erratum ESDHC13 enabled\n"); 191 #endif 192 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC_A001) 193 puts("Work-around for Erratum ESDHC-A001 enabled\n"); 194 #endif 195 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002 196 puts("Work-around for Erratum CPC-A002 enabled\n"); 197 #endif 198 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003 199 puts("Work-around for Erratum CPC-A003 enabled\n"); 200 #endif 201 #ifdef CONFIG_SYS_FSL_ERRATUM_ELBC_A001 202 puts("Work-around for Erratum ELBC-A001 enabled\n"); 203 #endif 204 #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_A003 205 puts("Work-around for Erratum DDR-A003 enabled\n"); 206 #endif 207 #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_115 208 puts("Work-around for Erratum DDR115 enabled\n"); 209 #endif 210 #ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 211 puts("Work-around for Erratum DDR111 enabled\n"); 212 puts("Work-around for Erratum DDR134 enabled\n"); 213 #endif 214 #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A002769 215 puts("Work-around for Erratum IFC-A002769 enabled\n"); 216 #endif 217 #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549 218 puts("Work-around for Erratum P1010-A003549 enabled\n"); 219 #endif 220 #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A003399 221 puts("Work-around for Erratum IFC A-003399 enabled\n"); 222 #endif 223 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_DDR120 224 if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0)) 225 puts("Work-around for Erratum NMG DDR120 enabled\n"); 226 #endif 227 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103 228 puts("Work-around for Erratum NMG_LBC103 enabled\n"); 229 #endif 230 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129 231 if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0)) 232 puts("Work-around for Erratum NMG ETSEC129 enabled\n"); 233 #endif 234 #ifdef CONFIG_SYS_FSL_ERRATUM_A004508 235 puts("Work-around for Erratum A004508 enabled\n"); 236 #endif 237 #ifdef CONFIG_SYS_FSL_ERRATUM_A004510 238 puts("Work-around for Erratum A004510 enabled\n"); 239 #endif 240 #ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 241 puts("Work-around for Erratum SRIO-A004034 enabled\n"); 242 #endif 243 #ifdef CONFIG_SYS_FSL_ERRATUM_A_004934 244 puts("Work-around for Erratum A004934 enabled\n"); 245 #endif 246 #ifdef CONFIG_SYS_FSL_ERRATUM_A005871 247 if (IS_SVR_REV(svr, 1, 0)) 248 puts("Work-around for Erratum A005871 enabled\n"); 249 #endif 250 #ifdef CONFIG_SYS_FSL_ERRATUM_A006475 251 if (SVR_MAJ(get_svr()) == 1) 252 puts("Work-around for Erratum A006475 enabled\n"); 253 #endif 254 #ifdef CONFIG_SYS_FSL_ERRATUM_A006384 255 if (SVR_MAJ(get_svr()) == 1) 256 puts("Work-around for Erratum A006384 enabled\n"); 257 #endif 258 #ifdef CONFIG_SYS_FSL_ERRATUM_A004849 259 /* This work-around is implemented in PBI, so just check for it */ 260 check_erratum_a4849(svr); 261 #endif 262 #ifdef CONFIG_SYS_FSL_ERRATUM_A004580 263 /* This work-around is implemented in PBI, so just check for it */ 264 check_erratum_a4580(svr); 265 #endif 266 #ifdef CONFIG_SYS_P4080_ERRATUM_PCIE_A003 267 puts("Work-around for Erratum PCIe-A003 enabled\n"); 268 #endif 269 #ifdef CONFIG_SYS_FSL_ERRATUM_USB14 270 puts("Work-around for Erratum USB14 enabled\n"); 271 #endif 272 #ifdef CONFIG_SYS_FSL_ERRATUM_A007186 273 if (has_erratum_a007186()) 274 puts("Work-around for Erratum A007186 enabled\n"); 275 #endif 276 #ifdef CONFIG_SYS_FSL_ERRATUM_A006593 277 puts("Work-around for Erratum A006593 enabled\n"); 278 #endif 279 #ifdef CONFIG_SYS_FSL_ERRATUM_A006379 280 if (has_erratum_a006379()) 281 puts("Work-around for Erratum A006379 enabled\n"); 282 #endif 283 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571 284 if (IS_SVR_REV(svr, 1, 0)) 285 puts("Work-around for Erratum A003571 enabled\n"); 286 #endif 287 #ifdef CONFIG_SYS_FSL_ERRATUM_A005812 288 puts("Work-around for Erratum A-005812 enabled\n"); 289 #endif 290 #ifdef CONFIG_SYS_FSL_ERRATUM_A005125 291 puts("Work-around for Erratum A005125 enabled\n"); 292 #endif 293 #ifdef CONFIG_SYS_FSL_ERRATUM_A007075 294 if (has_erratum_a007075()) 295 puts("Work-around for Erratum A007075 enabled\n"); 296 #endif 297 #ifdef CONFIG_SYS_FSL_ERRATUM_A007798 298 if (has_erratum_a007798()) 299 puts("Work-around for Erratum A007798 enabled\n"); 300 #endif 301 #ifdef CONFIG_SYS_FSL_ERRATUM_A004477 302 if (has_erratum_a004477()) 303 puts("Work-around for Erratum A004477 enabled\n"); 304 #endif 305 #ifdef CONFIG_SYS_FSL_ERRATUM_I2C_A004447 306 if ((SVR_SOC_VER(svr) == SVR_8548 && IS_SVR_REV(svr, 3, 1)) || 307 (SVR_REV(svr) <= CONFIG_SYS_FSL_A004447_SVR_REV)) 308 puts("Work-around for Erratum I2C-A004447 enabled\n"); 309 #endif 310 #ifdef CONFIG_SYS_FSL_ERRATUM_A005275 311 if (has_erratum_a005275()) 312 puts("Work-around for Erratum A005275 enabled\n"); 313 #endif 314 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261 315 if (has_erratum_a006261()) 316 puts("Work-around for Erratum A006261 enabled\n"); 317 #endif 318 #ifdef CONFIG_SYS_FSL_ERRATUM_A007212 319 check_erratum_a007212(); 320 #endif 321 #ifdef CONFIG_SYS_FSL_ERRATUM_A005434 322 puts("Work-around for Erratum A-005434 enabled\n"); 323 #endif 324 #if defined(CONFIG_SYS_FSL_ERRATUM_A008044) && \ 325 defined(CONFIG_A008044_WORKAROUND) 326 if (IS_SVR_REV(svr, 1, 0)) 327 puts("Work-around for Erratum A-008044 enabled\n"); 328 #endif 329 #if defined(CONFIG_SYS_FSL_B4860QDS_XFI_ERR) && \ 330 (defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS)) 331 puts("Work-around for Erratum XFI on B4860QDS enabled\n"); 332 #endif 333 #ifdef CONFIG_SYS_FSL_ERRATUM_A009663 334 puts("Work-around for Erratum A009663 enabled\n"); 335 #endif 336 #ifdef CONFIG_SYS_FSL_ERRATUM_A007907 337 puts("Work-around for Erratum A007907 enabled\n"); 338 #endif 339 #ifdef CONFIG_SYS_FSL_ERRATUM_A007815 340 puts("Work-around for Erratum A007815 enabled\n"); 341 #endif 342 343 return 0; 344 } 345 346 U_BOOT_CMD( 347 errata, 1, 0, do_errata, 348 "Report errata workarounds", 349 "" 350 ); 351