From: Aaron Williams awilliams@marvell.com
This header includes the Octeon feature detection used in many Octeon drivers.
Signed-off-by: Aaron Williams awilliams@marvell.com Signed-off-by: Stefan Roese sr@denx.de ---
.../mach-octeon/include/mach/octeon-feature.h | 442 ++++++++++++++++++ 1 file changed, 442 insertions(+) create mode 100644 arch/mips/mach-octeon/include/mach/octeon-feature.h
diff --git a/arch/mips/mach-octeon/include/mach/octeon-feature.h b/arch/mips/mach-octeon/include/mach/octeon-feature.h new file mode 100644 index 0000000000..1202716ba5 --- /dev/null +++ b/arch/mips/mach-octeon/include/mach/octeon-feature.h @@ -0,0 +1,442 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 Marvell International Ltd. + */ + +#ifndef __OCTEON_FEATURE_H__ +#define __OCTEON_FEATURE_H__ + +/* + * Octeon models are declared after the macros in octeon-model.h with the + * suffix _FEATURE. The individual features are declared with the + * _FEATURE_ infix. + */ +enum octeon_feature { + /* + * Checks on the critical path are moved to the top (8 positions) + * so that the compiler generates one less insn than for the rest + * of the checks. + */ + OCTEON_FEATURE_PKND, /* CN68XX uses port kinds for packet interface */ + /* CN68XX has different fields in word0 - word2 */ + OCTEON_FEATURE_CN68XX_WQE, + + /* + * Features + */ + /* + * Octeon models in the CN5XXX family and higher support atomic + * add instructions to memory (saa/saad) + */ + OCTEON_FEATURE_SAAD, + /* Does this Octeon support the ZIP offload engine? */ + OCTEON_FEATURE_ZIP, + /* Does this Octeon support crypto acceleration using COP2? */ + OCTEON_FEATURE_CRYPTO, + /* Can crypto be enabled by calling cvmx_crypto_dormant_enable()? */ + OCTEON_FEATURE_DORM_CRYPTO, + OCTEON_FEATURE_PCIE, /* Does this Octeon support PCI express? */ + OCTEON_FEATURE_SRIO, /* Does this Octeon support SRIO */ + OCTEON_FEATURE_ILK, /* Does this Octeon support Interlaken */ + /* + * Some Octeon models support internal memory for storing + * cryptographic keys + */ + OCTEON_FEATURE_KEY_MEMORY, + /* Octeon has a LED controller for banks of external LEDs */ + OCTEON_FEATURE_LED_CONTROLLER, + OCTEON_FEATURE_TRA, /* Octeon has a trace buffer */ + OCTEON_FEATURE_MGMT_PORT, /* Octeon has a management port */ + OCTEON_FEATURE_RAID, /* Octeon has a raid unit */ + OCTEON_FEATURE_USB, /* Octeon has a builtin USB */ + /* Octeon IPD can run without using work queue entries */ + OCTEON_FEATURE_NO_WPTR, + OCTEON_FEATURE_DFA, /* Octeon has DFA state machines */ + /* + * Octeon MDIO block supports clause 45 transactions for + * 10 Gig support + */ + OCTEON_FEATURE_MDIO_CLAUSE_45, + /* + * CN52XX and CN56XX used a block named NPEI for PCIe access. + * Newer chips replaced this with SLI+DPI + */ + OCTEON_FEATURE_NPEI, + OCTEON_FEATURE_HFA, /* Octeon has DFA/HFA */ + OCTEON_FEATURE_DFM, /* Octeon has DFM */ + OCTEON_FEATURE_CIU2, /* Octeon has CIU2 */ + /* Octeon has DMA Instruction Completion Interrupt mode */ + OCTEON_FEATURE_DICI_MODE, + /* Octeon has Bit Select Extractor schedulor */ + OCTEON_FEATURE_BIT_EXTRACTOR, + OCTEON_FEATURE_NAND, /* Octeon has NAND */ + OCTEON_FEATURE_MMC, /* Octeon has built-in MMC support */ + OCTEON_FEATURE_ROM, /* Octeon has built-in ROM support */ + OCTEON_FEATURE_AUTHENTIK, /* Octeon has Authentik ROM support */ + OCTEON_FEATURE_MULTICAST_TIMER, /* Octeon has multi_cast timer */ + OCTEON_FEATURE_MULTINODE, /* Octeon has node support */ + OCTEON_FEATURE_CIU3, /* Octeon has CIU3 */ + OCTEON_FEATURE_FPA3, /* Octeon has FPA first seen on 78XX */ + /* CN78XX has different fields in word0 - word2 */ + OCTEON_FEATURE_CN78XX_WQE, + OCTEON_FEATURE_PKO3, /* Octeon has enhanced PKO block */ + OCTEON_FEATURE_SPI, /* Octeon supports SPI interfaces */ + OCTEON_FEATURE_ZIP3, /* Octeon has zip first seen on 78XX */ + OCTEON_FEATURE_BCH, /* Octeon supports BCH ECC */ + OCTEON_FEATURE_PKI, /* Octeon has PKI block */ + OCTEON_FEATURE_OCLA, /* Octeon has OCLA */ + OCTEON_FEATURE_FAU, /* Octeon has FAU */ + OCTEON_FEATURE_BGX, /* Octeon has BGX */ + OCTEON_FEATURE_BGX_MIX, /* On of the BGX is used for MIX */ + OCTEON_FEATURE_HNA, /* Octeon has HNA */ + OCTEON_FEATURE_BGX_XCV, /* Octeon has BGX XCV RGMII support */ + OCTEON_FEATURE_TSO, /* Octeon has tcp segmentation offload */ + OCTEON_FEATURE_TDM, /* Octeon has PCM/TDM support */ + OCTEON_FEATURE_PTP, /* Octeon has PTP support */ + OCTEON_MAX_FEATURE +}; + +static inline int octeon_has_feature_OCTEON_FEATURE_SAAD(void) +{ + return true; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_ZIP(void) +{ + if (OCTEON_IS_MODEL(OCTEON_CNF71XX) || + OCTEON_IS_MODEL(OCTEON_CN70XX) || OCTEON_IS_MODEL(OCTEON_CNF75XX)) + return 0; + else + return !cvmx_fuse_read(121); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_ZIP3(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN78XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_BCH(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN70XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_CRYPTO(void) +{ + /* OCTEON II and later */ + u64 val; + + val = csr_rd(CVMX_MIO_FUS_DAT2); + if (val & MIO_FUS_DAT2_NOCRYPTO || val & MIO_FUS_DAT2_NOMUL) + return 0; + else if (!(val & MIO_FUS_DAT2_DORM_CRYPTO)) + return 1; + + val = csr_rd(CVMX_RNM_CTL_STATUS); + return val & RNM_CTL_STATUS_EER_VAL; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_DORM_CRYPTO(void) +{ + /* OCTEON II and later */ + u64 val; + + val = csr_rd(CVMX_MIO_FUS_DAT2); + return !(val & MIO_FUS_DAT2_NOCRYPTO) && !(val & MIO_FUS_DAT2_NOMUL) && + (val & MIO_FUS_DAT2_DORM_CRYPTO); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_PCIE(void) +{ + /* OCTEON II and later have PCIe */ + return true; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_SRIO(void) +{ + if (OCTEON_IS_MODEL(OCTEON_CNF75XX)) { + if (cvmx_fuse_read(1601) == 0) + return 0; + else + return 1; + } else { + return (OCTEON_IS_MODEL(OCTEON_CN63XX) || + OCTEON_IS_MODEL(OCTEON_CN66XX)); + } +} + +static inline int octeon_has_feature_OCTEON_FEATURE_ILK(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN68XX) || + OCTEON_IS_MODEL(OCTEON_CN78XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_KEY_MEMORY(void) +{ + /* OCTEON II or later */ + return true; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_LED_CONTROLLER(void) +{ + return false; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_TRA(void) +{ + return !OCTEON_IS_OCTEON3(); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_MGMT_PORT(void) +{ + /* OCTEON II or later */ + return true; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_RAID(void) +{ + return !OCTEON_IS_MODEL(OCTEON_CNF75XX); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_USB(void) +{ + return true; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_NO_WPTR(void) +{ + return true; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_DFA(void) +{ + return 0; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_HFA(void) +{ + if (OCTEON_IS_MODEL(OCTEON_CNF75XX)) + return 0; + else + return !cvmx_fuse_read(90); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_HNA(void) +{ + if (OCTEON_IS_MODEL(OCTEON_CN78XX) || OCTEON_IS_MODEL(OCTEON_CN73XX)) + return !cvmx_fuse_read(134); + else + return 0; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_DFM(void) +{ + if (!(OCTEON_IS_MODEL(OCTEON_CN63XX) || OCTEON_IS_MODEL(OCTEON_CN66XX))) + return 0; + else + return !cvmx_fuse_read(90); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_MDIO_CLAUSE_45(void) +{ + return true; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_NPEI(void) +{ + return false; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_PKND(void) +{ + return OCTEON_IS_MODEL(OCTEON_CN68XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX) || + OCTEON_IS_MODEL(OCTEON_CN78XX); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_CN68XX_WQE(void) +{ + return OCTEON_IS_MODEL(OCTEON_CN68XX); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_CIU2(void) +{ + return OCTEON_IS_MODEL(OCTEON_CN68XX); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_CIU3(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN78XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_FPA3(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN78XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_NAND(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN63XX) || + OCTEON_IS_MODEL(OCTEON_CN66XX) || + OCTEON_IS_MODEL(OCTEON_CN68XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN70XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_DICI_MODE(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN68XX_PASS2_X) || + OCTEON_IS_MODEL(OCTEON_CN61XX) || + OCTEON_IS_MODEL(OCTEON_CNF71XX) || + OCTEON_IS_MODEL(OCTEON_CN70XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_BIT_EXTRACTOR(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN68XX_PASS2_X) || + OCTEON_IS_MODEL(OCTEON_CN61XX) || + OCTEON_IS_MODEL(OCTEON_CNF71XX) || + OCTEON_IS_MODEL(OCTEON_CN70XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_MMC(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN61XX) || + OCTEON_IS_MODEL(OCTEON_CNF71XX) || OCTEON_IS_OCTEON3()); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_ROM(void) +{ + return OCTEON_IS_MODEL(OCTEON_CN66XX) || + OCTEON_IS_MODEL(OCTEON_CN61XX) || + OCTEON_IS_MODEL(OCTEON_CNF71XX); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_AUTHENTIK(void) +{ + if (OCTEON_IS_MODEL(OCTEON_CN66XX) || + OCTEON_IS_MODEL(OCTEON_CN61XX) || + OCTEON_IS_MODEL(OCTEON_CNF71XX) || + OCTEON_IS_MODEL(OCTEON_CN70XX)) { + u64 val; + + val = csr_rd(CVMX_MIO_FUS_DAT2); + return (val & MIO_FUS_DAT2_NOCRYPTO) && + (val & MIO_FUS_DAT2_DORM_CRYPTO); + } + + return 0; +} + +static inline int octeon_has_feature_OCTEON_FEATURE_MULTICAST_TIMER(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN66XX_PASS1_2) || + OCTEON_IS_MODEL(OCTEON_CN61XX) || + OCTEON_IS_MODEL(OCTEON_CNF71XX) || + OCTEON_IS_MODEL(OCTEON_CN70XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_MULTINODE(void) +{ + return (!OCTEON_IS_MODEL(OCTEON_CN76XX) && + OCTEON_IS_MODEL(OCTEON_CN78XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_CN78XX_WQE(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN78XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_SPI(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN66XX) || + OCTEON_IS_MODEL(OCTEON_CN61XX) || + OCTEON_IS_MODEL(OCTEON_CNF71XX) || OCTEON_IS_OCTEON3()); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_PKI(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN78XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_PKO3(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN78XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_OCLA(void) +{ + return OCTEON_IS_OCTEON3(); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_FAU(void) +{ + return (!OCTEON_IS_MODEL(OCTEON_CN78XX) && + !OCTEON_IS_MODEL(OCTEON_CNF75XX) && + !OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_BGX(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN78XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_BGX_MIX(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN78XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN73XX)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_BGX_XCV(void) +{ + return OCTEON_IS_MODEL(OCTEON_CN73XX); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_TSO(void) +{ + return (OCTEON_IS_MODEL(OCTEON_CN73XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN78XX_PASS2_X)); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_TDM(void) +{ + return OCTEON_IS_MODEL(OCTEON_CN61XX) || + OCTEON_IS_MODEL(OCTEON_CNF71XX) || + OCTEON_IS_MODEL(OCTEON_CN70XX); +} + +static inline int octeon_has_feature_OCTEON_FEATURE_PTP(void) +{ + return OCTEON_IS_MODEL(OCTEON_CN6XXX) || + OCTEON_IS_MODEL(OCTEON_CNF7XXX) || + OCTEON_IS_MODEL(OCTEON_CN73XX) || + OCTEON_IS_MODEL(OCTEON_CNF75XX) || + OCTEON_IS_MODEL(OCTEON_CN78XX_PASS2_X); +} + +/* + * Answer ``Is the bit for feature set in the bitmap?'' + * @param feature + * @return 1 when the feature is present and 0 otherwise, -1 in case of error. + */ +#define octeon_has_feature(feature_x) octeon_has_feature_##feature_x() + +#endif /* __OCTEON_FEATURE_H__ */