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/**
* @file
*
* File defining checks for different Octeon features.
*
* <hr>$Revision: 30468 $<hr>
*/
#ifndef __OCTEON_FEATURE_H__
#define __OCTEON_FEATURE_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef enum
{
OCTEON_FEATURE_SAAD, /**< Octeon models in the CN5XXX family and higher support atomic add instructions to memory (saa/saad) */
OCTEON_FEATURE_ZIP, /**< Does this Octeon support the ZIP offload engine? */
OCTEON_FEATURE_CRYPTO, /**< Does this Octeon support crypto acceleration using COP2? */
OCTEON_FEATURE_DORM_CRYPTO, /**< Can crypto be enabled by calling cvmx_crypto_dormant_enable()? */
OCTEON_FEATURE_PCIE, /**< Does this Octeon support PCI express? */
OCTEON_FEATURE_SRIO, /**< Does this Octeon support SRIOs */
OCTEON_FEATURE_KEY_MEMORY, /**< Some Octeon models support internal memory for storing cryptographic keys */
OCTEON_FEATURE_LED_CONTROLLER, /**< Octeon has a LED controller for banks of external LEDs */
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_FEATURE_NO_WPTR, /**< Octeon IPD can run without using work queue entries */
OCTEON_FEATURE_DFA, /**< Octeon has DFA state machines */
OCTEON_FEATURE_MDIO_CLAUSE_45, /**< Octeon MDIO block supports clause 45 transactions for 10 Gig support */
OCTEON_FEATURE_NPEI, /**< CN52XX and CN56XX used a block named NPEI for PCIe access. Newer chips replaced this with SLI+DPI */
} octeon_feature_t;
/**
* Determine if the current Octeon supports a specific feature. These
* checks have been optimized to be fairly quick, but they should still
* be kept out of fast path code.
*
* @param feature Feature to check for. This should always be a constant so the
* compiler can remove the switch statement through optimization.
*
* @return Non zero if the feature exists. Zero if the feature does not
* exist.
*/
static inline int octeon_has_feature(octeon_feature_t feature)
{
switch (feature)
{
case OCTEON_FEATURE_SAAD:
return !OCTEON_IS_MODEL(OCTEON_CN3XXX);
case OCTEON_FEATURE_ZIP:
if (OCTEON_IS_MODEL(OCTEON_CN30XX) || OCTEON_IS_MODEL(OCTEON_CN50XX) || OCTEON_IS_MODEL(OCTEON_CN52XX))
return 0;
else
return !cvmx_fuse_read(121);
case OCTEON_FEATURE_CRYPTO:
if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
cvmx_mio_fus_dat2_t fus_2;
fus_2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
if (fus_2.s.nocrypto || fus_2.s.nomul) {
return 0;
} else if (!fus_2.s.dorm_crypto) {
return 1;
} else {
cvmx_rnm_ctl_status_t st;
st.u64 = cvmx_read_csr(CVMX_RNM_CTL_STATUS);
return st.s.eer_val;
}
} else {
return !cvmx_fuse_read(90);
}
case OCTEON_FEATURE_DORM_CRYPTO:
if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
cvmx_mio_fus_dat2_t fus_2;
fus_2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
return !fus_2.s.nocrypto && !fus_2.s.nomul && fus_2.s.dorm_crypto;
} else {
return 0;
}
case OCTEON_FEATURE_PCIE:
return (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX));
case OCTEON_FEATURE_SRIO:
return (OCTEON_IS_MODEL(OCTEON_CN6XXX));
case OCTEON_FEATURE_KEY_MEMORY:
return OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX);
case OCTEON_FEATURE_LED_CONTROLLER:
return OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN56XX);
case OCTEON_FEATURE_TRA:
return !(OCTEON_IS_MODEL(OCTEON_CN30XX) || OCTEON_IS_MODEL(OCTEON_CN50XX));
case OCTEON_FEATURE_MGMT_PORT:
return OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX);
case OCTEON_FEATURE_RAID:
return OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX);
case OCTEON_FEATURE_USB:
return !(OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX));
case OCTEON_FEATURE_NO_WPTR:
return (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX)) &&
!OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X) && !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X);
case OCTEON_FEATURE_DFA:
if (!OCTEON_IS_MODEL(OCTEON_CN38XX) && !OCTEON_IS_MODEL(OCTEON_CN31XX) && !OCTEON_IS_MODEL(OCTEON_CN58XX))
return 0;
else if (OCTEON_IS_MODEL(OCTEON_CN3020))
return 0;
else
return !cvmx_fuse_read(120);
case OCTEON_FEATURE_MDIO_CLAUSE_45:
return !(OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN50XX));
case OCTEON_FEATURE_NPEI:
return (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX));
}
return 0;
}
#ifdef __cplusplus
}
#endif
#endif /* __OCTEON_FEATURE_H__ */