2 * Copyright 2010-2011 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
9 #include <linux/compiler.h>
10 #include <asm/fsl_errata.h>
11 #include <asm/processor.h>
13 #include "fsl_corenet_serdes.h"
15 #ifdef CONFIG_SYS_FSL_ERRATUM_A004849
17 * This work-around is implemented in PBI, so just check to see if the
18 * work-around was actually applied. To do this, we check for specific data
19 * at specific addresses in DCSR.
21 * Array offsets[] contains a list of offsets within DCSR. According to the
22 * erratum document, the value at each offset should be 2.
24 static void check_erratum_a4849(uint32_t svr)
26 void __iomem *dcsr = (void *)CONFIG_SYS_DCSRBAR + 0xb0000;
29 #if defined(CONFIG_PPC_P2041) || defined(CONFIG_PPC_P3041)
30 static const uint8_t offsets[] = {
31 0x50, 0x54, 0x58, 0x90, 0x94, 0x98
34 #ifdef CONFIG_PPC_P4080
35 static const uint8_t offsets[] = {
36 0x60, 0x64, 0x68, 0x6c, 0xa0, 0xa4, 0xa8, 0xac
39 uint32_t x108; /* The value that should be at offset 0x108 */
41 for (i = 0; i < ARRAY_SIZE(offsets); i++) {
42 if (in_be32(dcsr + offsets[i]) != 2) {
43 printf("Work-around for Erratum A004849 is not enabled\n");
48 #if defined(CONFIG_PPC_P2041) || defined(CONFIG_PPC_P3041)
52 #ifdef CONFIG_PPC_P4080
54 * For P4080, the erratum document says that the value at offset 0x108
55 * should be 0x12 on rev2, or 0x1c on rev3.
57 if (SVR_MAJ(svr) == 2)
59 if (SVR_MAJ(svr) == 3)
63 if (in_be32(dcsr + 0x108) != x108) {
64 printf("Work-around for Erratum A004849 is not enabled\n");
68 /* Everything matches, so the erratum work-around was applied */
70 printf("Work-around for Erratum A004849 enabled\n");
74 #ifdef CONFIG_SYS_FSL_ERRATUM_A004580
76 * This work-around is implemented in PBI, so just check to see if the
77 * work-around was actually applied. To do this, we check for specific data
78 * at specific addresses in the SerDes register block.
80 * The work-around says that for each SerDes lane, write BnTTLCRy0 =
81 * 0x1B00_0001, Register 2 = 0x0088_0000, and Register 3 = 0x4000_0000.
84 static void check_erratum_a4580(uint32_t svr)
86 const serdes_corenet_t __iomem *srds_regs =
87 (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
90 for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
91 if (serdes_lane_enabled(lane)) {
92 const struct serdes_lane __iomem *srds_lane =
93 &srds_regs->lane[serdes_get_lane_idx(lane)];
96 * Verify that the values we were supposed to write in
97 * the PBI are actually there. Also, the lower 15
98 * bits of res4[3] should be the same as the upper 15
101 if ((in_be32(&srds_lane->ttlcr0) != 0x1b000001) ||
102 (in_be32(&srds_lane->res4[1]) != 0x880000) ||
103 (in_be32(&srds_lane->res4[3]) != 0x40000044)) {
104 printf("Work-around for Erratum A004580 is "
111 /* Everything matches, so the erratum work-around was applied */
113 printf("Work-around for Erratum A004580 enabled\n");
117 #ifdef CONFIG_SYS_FSL_ERRATUM_A007212
119 * This workaround can be implemented in PBI, or by u-boot.
121 static void check_erratum_a007212(void)
123 u32 __iomem *plldgdcr = (void *)(CONFIG_SYS_DCSRBAR + 0x21c20);
125 if (in_be32(plldgdcr) & 0x1fe) {
126 /* check if PLL ratio is set by workaround */
127 puts("Work-around for Erratum A007212 enabled\n");
132 static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
134 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
135 extern int enable_cpu_a011_workaround;
137 __maybe_unused u32 svr = get_svr();
139 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001)
140 if (IS_SVR_REV(svr, 1, 0)) {
141 switch (SVR_SOC_VER(svr)) {
144 puts("Work-around for Erratum SATA A001 enabled\n");
149 #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES8)
150 puts("Work-around for Erratum SERDES8 enabled\n");
152 #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES9)
153 puts("Work-around for Erratum SERDES9 enabled\n");
155 #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES_A005)
156 puts("Work-around for Erratum SERDES-A005 enabled\n");
158 #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22)
159 if (SVR_MAJ(svr) < 3)
160 puts("Work-around for Erratum CPU22 enabled\n");
162 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
164 * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0
165 * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1
166 * The SVR has been checked by cpu_init_r().
168 if (enable_cpu_a011_workaround)
169 puts("Work-around for Erratum CPU-A011 enabled\n");
171 #if defined(CONFIG_SYS_FSL_ERRATUM_CPU_A003999)
172 puts("Work-around for Erratum CPU-A003999 enabled\n");
174 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_A003474)
175 puts("Work-around for Erratum DDR-A003474 enabled\n");
177 #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
178 puts("Work-around for DDR MSYNC_IN Erratum enabled\n");
180 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC111)
181 puts("Work-around for Erratum ESDHC111 enabled\n");
183 #ifdef CONFIG_SYS_FSL_ERRATUM_A004468
184 puts("Work-around for Erratum A004468 enabled\n");
186 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC135)
187 puts("Work-around for Erratum ESDHC135 enabled\n");
189 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC13)
190 if (SVR_MAJ(svr) < 3)
191 puts("Work-around for Erratum ESDHC13 enabled\n");
193 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC_A001)
194 puts("Work-around for Erratum ESDHC-A001 enabled\n");
196 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
197 puts("Work-around for Erratum CPC-A002 enabled\n");
199 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003
200 puts("Work-around for Erratum CPC-A003 enabled\n");
202 #ifdef CONFIG_SYS_FSL_ERRATUM_ELBC_A001
203 puts("Work-around for Erratum ELBC-A001 enabled\n");
205 #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_A003
206 puts("Work-around for Erratum DDR-A003 enabled\n");
208 #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_115
209 puts("Work-around for Erratum DDR115 enabled\n");
211 #ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134
212 puts("Work-around for Erratum DDR111 enabled\n");
213 puts("Work-around for Erratum DDR134 enabled\n");
215 #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A002769
216 puts("Work-around for Erratum IFC-A002769 enabled\n");
218 #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
219 puts("Work-around for Erratum P1010-A003549 enabled\n");
221 #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A003399
222 puts("Work-around for Erratum IFC A-003399 enabled\n");
224 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_DDR120
225 if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0))
226 puts("Work-around for Erratum NMG DDR120 enabled\n");
228 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
229 puts("Work-around for Erratum NMG_LBC103 enabled\n");
231 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
232 if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0))
233 puts("Work-around for Erratum NMG ETSEC129 enabled\n");
235 #ifdef CONFIG_SYS_FSL_ERRATUM_A004508
236 puts("Work-around for Erratum A004508 enabled\n");
238 #ifdef CONFIG_SYS_FSL_ERRATUM_A004510
239 puts("Work-around for Erratum A004510 enabled\n");
241 #ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034
242 puts("Work-around for Erratum SRIO-A004034 enabled\n");
244 #ifdef CONFIG_SYS_FSL_ERRATUM_A_004934
245 puts("Work-around for Erratum A004934 enabled\n");
247 #ifdef CONFIG_SYS_FSL_ERRATUM_A005871
248 if (IS_SVR_REV(svr, 1, 0))
249 puts("Work-around for Erratum A005871 enabled\n");
251 #ifdef CONFIG_SYS_FSL_ERRATUM_A006475
252 if (SVR_MAJ(get_svr()) == 1)
253 puts("Work-around for Erratum A006475 enabled\n");
255 #ifdef CONFIG_SYS_FSL_ERRATUM_A006384
256 if (SVR_MAJ(get_svr()) == 1)
257 puts("Work-around for Erratum A006384 enabled\n");
259 #ifdef CONFIG_SYS_FSL_ERRATUM_A004849
260 /* This work-around is implemented in PBI, so just check for it */
261 check_erratum_a4849(svr);
263 #ifdef CONFIG_SYS_FSL_ERRATUM_A004580
264 /* This work-around is implemented in PBI, so just check for it */
265 check_erratum_a4580(svr);
267 #ifdef CONFIG_SYS_P4080_ERRATUM_PCIE_A003
268 puts("Work-around for Erratum PCIe-A003 enabled\n");
270 #ifdef CONFIG_SYS_FSL_ERRATUM_USB14
271 puts("Work-around for Erratum USB14 enabled\n");
273 #ifdef CONFIG_SYS_FSL_ERRATUM_A007186
274 if (has_erratum_a007186())
275 puts("Work-around for Erratum A007186 enabled\n");
277 #ifdef CONFIG_SYS_FSL_ERRATUM_A006593
278 puts("Work-around for Erratum A006593 enabled\n");
280 #ifdef CONFIG_SYS_FSL_ERRATUM_A006379
281 if (has_erratum_a006379())
282 puts("Work-around for Erratum A006379 enabled\n");
284 #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
285 if (IS_SVR_REV(svr, 1, 0))
286 puts("Work-around for Erratum A003571 enabled\n");
288 #ifdef CONFIG_SYS_FSL_ERRATUM_A005812
289 puts("Work-around for Erratum A-005812 enabled\n");
291 #ifdef CONFIG_SYS_FSL_ERRATUM_A005125
292 puts("Work-around for Erratum A005125 enabled\n");
294 #ifdef CONFIG_SYS_FSL_ERRATUM_A007075
295 if (has_erratum_a007075())
296 puts("Work-around for Erratum A007075 enabled\n");
298 #ifdef CONFIG_SYS_FSL_ERRATUM_A007798
299 if (has_erratum_a007798())
300 puts("Work-around for Erratum A007798 enabled\n");
302 #ifdef CONFIG_SYS_FSL_ERRATUM_I2C_A004447
303 if ((SVR_SOC_VER(svr) == SVR_8548 && IS_SVR_REV(svr, 3, 1)) ||
304 (SVR_REV(svr) <= CONFIG_SYS_FSL_A004447_SVR_REV))
305 puts("Work-around for Erratum I2C-A004447 enabled\n");
307 #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
308 if (has_erratum_a006261())
309 puts("Work-around for Erratum A006261 enabled\n");
311 #ifdef CONFIG_SYS_FSL_ERRATUM_A007212
312 check_erratum_a007212();
314 #ifdef CONFIG_SYS_FSL_ERRATUM_A005434
315 puts("Work-around for Erratum A-005434 enabled\n");
317 #if defined(CONFIG_SYS_FSL_ERRATUM_A008044) && \
318 defined(CONFIG_A008044_WORKAROUND)
319 if (IS_SVR_REV(svr, 1, 0))
320 puts("Work-around for Erratum A-008044 enabled\n");
322 #if defined(CONFIG_SYS_FSL_B4860QDS_XFI_ERR) && defined(CONFIG_B4860QDS)
323 puts("Work-around for Erratum XFI on B4860QDS enabled\n");
330 errata, 1, 0, do_errata,
331 "Report errata workarounds",