X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Fcmd_errata.c;h=5d72f4c342d36dcb9462b67ed71e35e72426aec4;hb=fc9b0b80435cda721fbdbe507c9e4f388b0ea62b;hp=2be192d578f5ae46818451c459b23203b974d38a;hpb=c68436fa427a69ea308d74c410067507d6c7103b;p=karo-tx-uboot.git diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index 2be192d578..2d5ddf012b 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -1,29 +1,133 @@ /* * Copyright 2010-2011 Freescale Semiconductor, Inc. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include +#include #include +#include +#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_PPC_P2041) || defined(CONFIG_PPC_P3041) + static const uint8_t offsets[] = { + 0x50, 0x54, 0x58, 0x90, 0x94, 0x98 + }; +#endif +#ifdef CONFIG_PPC_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_PPC_P2041) || defined(CONFIG_PPC_P3041) + x108 = 0x12; +#endif + +#ifdef CONFIG_PPC_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[]) { @@ -68,7 +172,7 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) puts("Work-around for Erratum CPU-A003999 enabled\n"); #endif #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_A003474) - puts("Work-around for Erratum DDR-A003473 enabled\n"); + 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"); @@ -128,6 +232,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 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 @@ -137,6 +244,85 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #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_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_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_B4860QDS) + puts("Work-around for Erratum XFI on B4860QDS enabled\n"); +#endif + return 0; }