| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2010-2011 Freescale Semiconductor, Inc. |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <linux/compiler.h> |
| #include <fsl_errata.h> |
| #include <asm/processor.h> |
| #include <fsl_usb.h> |
| #include "fsl_corenet_serdes.h" |
| |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A004849 |
| /* |
| * This work-around is implemented in PBI, so just check to see if the |
| * work-around was actually applied. To do this, we check for specific data |
| * at specific addresses in DCSR. |
| * |
| * Array offsets[] contains a list of offsets within DCSR. According to the |
| * erratum document, the value at each offset should be 2. |
| */ |
| static void check_erratum_a4849(uint32_t svr) |
| { |
| void __iomem *dcsr = (void *)CONFIG_SYS_DCSRBAR + 0xb0000; |
| unsigned int i; |
| |
| #if defined(CONFIG_ARCH_P2041) || defined(CONFIG_ARCH_P3041) |
| static const uint8_t offsets[] = { |
| 0x50, 0x54, 0x58, 0x90, 0x94, 0x98 |
| }; |
| #endif |
| #ifdef CONFIG_ARCH_P4080 |
| static const uint8_t offsets[] = { |
| 0x60, 0x64, 0x68, 0x6c, 0xa0, 0xa4, 0xa8, 0xac |
| }; |
| #endif |
| uint32_t x108; /* The value that should be at offset 0x108 */ |
| |
| for (i = 0; i < ARRAY_SIZE(offsets); i++) { |
| if (in_be32(dcsr + offsets[i]) != 2) { |
| printf("Work-around for Erratum A004849 is not enabled\n"); |
| return; |
| } |
| } |
| |
| #if defined(CONFIG_ARCH_P2041) || defined(CONFIG_ARCH_P3041) |
| x108 = 0x12; |
| #endif |
| |
| #ifdef CONFIG_ARCH_P4080 |
| /* |
| * For P4080, the erratum document says that the value at offset 0x108 |
| * should be 0x12 on rev2, or 0x1c on rev3. |
| */ |
| if (SVR_MAJ(svr) == 2) |
| x108 = 0x12; |
| if (SVR_MAJ(svr) == 3) |
| x108 = 0x1c; |
| #endif |
| |
| if (in_be32(dcsr + 0x108) != x108) { |
| printf("Work-around for Erratum A004849 is not enabled\n"); |
| return; |
| } |
| |
| /* Everything matches, so the erratum work-around was applied */ |
| |
| printf("Work-around for Erratum A004849 enabled\n"); |
| } |
| #endif |
| |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A004580 |
| /* |
| * This work-around is implemented in PBI, so just check to see if the |
| * work-around was actually applied. To do this, we check for specific data |
| * at specific addresses in the SerDes register block. |
| * |
| * The work-around says that for each SerDes lane, write BnTTLCRy0 = |
| * 0x1B00_0001, Register 2 = 0x0088_0000, and Register 3 = 0x4000_0000. |
| |
| */ |
| static void check_erratum_a4580(uint32_t svr) |
| { |
| const serdes_corenet_t __iomem *srds_regs = |
| (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; |
| unsigned int lane; |
| |
| for (lane = 0; lane < SRDS_MAX_LANES; lane++) { |
| if (serdes_lane_enabled(lane)) { |
| const struct serdes_lane __iomem *srds_lane = |
| &srds_regs->lane[serdes_get_lane_idx(lane)]; |
| |
| /* |
| * Verify that the values we were supposed to write in |
| * the PBI are actually there. Also, the lower 15 |
| * bits of res4[3] should be the same as the upper 15 |
| * bits of res4[1]. |
| */ |
| if ((in_be32(&srds_lane->ttlcr0) != 0x1b000001) || |
| (in_be32(&srds_lane->res4[1]) != 0x880000) || |
| (in_be32(&srds_lane->res4[3]) != 0x40000044)) { |
| printf("Work-around for Erratum A004580 is " |
| "not enabled\n"); |
| return; |
| } |
| } |
| } |
| |
| /* Everything matches, so the erratum work-around was applied */ |
| |
| printf("Work-around for Erratum A004580 enabled\n"); |
| } |
| #endif |
| |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A007212 |
| /* |
| * This workaround can be implemented in PBI, or by u-boot. |
| */ |
| static void check_erratum_a007212(void) |
| { |
| u32 __iomem *plldgdcr = (void *)(CONFIG_SYS_DCSRBAR + 0x21c20); |
| |
| if (in_be32(plldgdcr) & 0x1fe) { |
| /* check if PLL ratio is set by workaround */ |
| puts("Work-around for Erratum A007212 enabled\n"); |
| } |
| } |
| #endif |
| |
| static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011 |
| extern int enable_cpu_a011_workaround; |
| #endif |
| __maybe_unused u32 svr = get_svr(); |
| |
| #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_SYS_FSL_ERRATUM_SATA_A001) |
| if (IS_SVR_REV(svr, 1, 0)) { |
| switch (SVR_SOC_VER(svr)) { |
| case SVR_P1013: |
| case SVR_P1022: |
| puts("Work-around for Erratum SATA A001 enabled\n"); |
| } |
| } |
| #endif |
| |
| #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES8) |
| puts("Work-around for Erratum SERDES8 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES9) |
| puts("Work-around for Erratum SERDES9 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES_A005) |
| puts("Work-around for Erratum SERDES-A005 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) |
| if (SVR_MAJ(svr) < 3) |
| puts("Work-around for Erratum CPU22 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011 |
| /* |
| * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0 |
| * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1 |
| * The SVR has been checked by cpu_init_r(). |
| */ |
| if (enable_cpu_a011_workaround) |
| puts("Work-around for Erratum CPU-A011 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_ERRATUM_CPU_A003999) |
| puts("Work-around for Erratum CPU-A003999 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_A003474) |
| puts("Work-around for Erratum DDR-A003474 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN) |
| puts("Work-around for DDR MSYNC_IN Erratum enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC111) |
| puts("Work-around for Erratum ESDHC111 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A004468 |
| puts("Work-around for Erratum A004468 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC135) |
| puts("Work-around for Erratum ESDHC135 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC13) |
| if (SVR_MAJ(svr) < 3) |
| puts("Work-around for Erratum ESDHC13 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC_A001) |
| puts("Work-around for Erratum ESDHC-A001 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002 |
| puts("Work-around for Erratum CPC-A002 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003 |
| puts("Work-around for Erratum CPC-A003 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_ELBC_A001 |
| puts("Work-around for Erratum ELBC-A001 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_A003 |
| puts("Work-around for Erratum DDR-A003 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_115 |
| puts("Work-around for Erratum DDR115 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 |
| puts("Work-around for Erratum DDR111 enabled\n"); |
| puts("Work-around for Erratum DDR134 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A002769 |
| puts("Work-around for Erratum IFC-A002769 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549 |
| puts("Work-around for Erratum P1010-A003549 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A003399 |
| puts("Work-around for Erratum IFC A-003399 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_DDR120 |
| if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0)) |
| puts("Work-around for Erratum NMG DDR120 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103 |
| puts("Work-around for Erratum NMG_LBC103 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129 |
| if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0)) |
| puts("Work-around for Erratum NMG ETSEC129 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A004508 |
| puts("Work-around for Erratum A004508 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A004510 |
| puts("Work-around for Erratum A004510 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 |
| puts("Work-around for Erratum SRIO-A004034 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A_004934 |
| puts("Work-around for Erratum A004934 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A005871 |
| if (IS_SVR_REV(svr, 1, 0)) |
| puts("Work-around for Erratum A005871 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A006475 |
| if (SVR_MAJ(get_svr()) == 1) |
| puts("Work-around for Erratum A006475 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A006384 |
| if (SVR_MAJ(get_svr()) == 1) |
| puts("Work-around for Erratum A006384 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A004849 |
| /* This work-around is implemented in PBI, so just check for it */ |
| check_erratum_a4849(svr); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A004580 |
| /* This work-around is implemented in PBI, so just check for it */ |
| check_erratum_a4580(svr); |
| #endif |
| #ifdef CONFIG_SYS_P4080_ERRATUM_PCIE_A003 |
| puts("Work-around for Erratum PCIe-A003 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_USB14 |
| puts("Work-around for Erratum USB14 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A007186 |
| if (has_erratum_a007186()) |
| puts("Work-around for Erratum A007186 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A006593 |
| puts("Work-around for Erratum A006593 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A006379 |
| if (has_erratum_a006379()) |
| puts("Work-around for Erratum A006379 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571 |
| if (IS_SVR_REV(svr, 1, 0)) |
| puts("Work-around for Erratum A003571 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A005812 |
| puts("Work-around for Erratum A-005812 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A005125 |
| puts("Work-around for Erratum A005125 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A007075 |
| if (has_erratum_a007075()) |
| puts("Work-around for Erratum A007075 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A007798 |
| if (has_erratum_a007798()) |
| puts("Work-around for Erratum A007798 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A004477 |
| if (has_erratum_a004477()) |
| puts("Work-around for Erratum A004477 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_I2C_A004447 |
| if ((SVR_SOC_VER(svr) == SVR_8548 && IS_SVR_REV(svr, 3, 1)) || |
| (SVR_REV(svr) <= CONFIG_SYS_FSL_A004447_SVR_REV)) |
| puts("Work-around for Erratum I2C-A004447 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A005275 |
| if (has_erratum_a005275()) |
| puts("Work-around for Erratum A005275 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A006261 |
| if (has_erratum_a006261()) |
| puts("Work-around for Erratum A006261 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A007212 |
| check_erratum_a007212(); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A005434 |
| puts("Work-around for Erratum A-005434 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_ERRATUM_A008044) && \ |
| defined(CONFIG_A008044_WORKAROUND) |
| if (IS_SVR_REV(svr, 1, 0)) |
| puts("Work-around for Erratum A-008044 enabled\n"); |
| #endif |
| #if defined(CONFIG_SYS_FSL_B4860QDS_XFI_ERR) && \ |
| (defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS)) |
| puts("Work-around for Erratum XFI on B4860QDS enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A009663 |
| puts("Work-around for Erratum A009663 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A007907 |
| puts("Work-around for Erratum A007907 enabled\n"); |
| #endif |
| #ifdef CONFIG_SYS_FSL_ERRATUM_A007815 |
| puts("Work-around for Erratum A007815 enabled\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| U_BOOT_CMD( |
| errata, 1, 0, do_errata, |
| "Report errata workarounds", |
| "" |
| ); |
