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MIPS: Octeon: Update feature test functions for new chips and features.

Browse Source 
cvmx.h was rearranged to fix include file ordering problems, but there
is no change other than moving some definitions around.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2984/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2011-11-22 14:47:04 +00:00 committed by Ralf Baechle
parent 412394d104
commit 26afc5e399
2 changed files with 126 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
arch/mips/include/asm/octeon/cvmx.h
View File

@ -31,6 +31,27 @@
#include <linux/kernel.h>
#include <linux/string.h>
enum cvmx_mips_space {
CVMX_MIPS_SPACE_XKSEG = 3LL,
CVMX_MIPS_SPACE_XKPHYS = 2LL,
CVMX_MIPS_SPACE_XSSEG = 1LL,
CVMX_MIPS_SPACE_XUSEG = 0LL
};
/* These macros for use when using 32 bit pointers. */
#define CVMX_MIPS32_SPACE_KSEG0 1l
#define CVMX_ADD_SEG32(segment, add) \
(((int32_t)segment << 31) | (int32_t)(add))
#define CVMX_IO_SEG CVMX_MIPS_SPACE_XKPHYS
/* These macros simplify the process of creating common IO addresses */
#define CVMX_ADD_SEG(segment, add) \
((((uint64_t)segment) << 62) | (add))
#ifndef CVMX_ADD_IO_SEG
#define CVMX_ADD_IO_SEG(add) CVMX_ADD_SEG(CVMX_IO_SEG, (add))
#endif
#include "cvmx-asm.h"
#include "cvmx-packet.h"
#include "cvmx-sysinfo.h"
@ -129,27 +150,6 @@ static inline uint64_t cvmx_build_bits(uint64_t high_bit,
return (value & cvmx_build_mask(high_bit - low_bit + 1)) << low_bit;
}
enum cvmx_mips_space {
CVMX_MIPS_SPACE_XKSEG = 3LL,
CVMX_MIPS_SPACE_XKPHYS = 2LL,
CVMX_MIPS_SPACE_XSSEG = 1LL,
CVMX_MIPS_SPACE_XUSEG = 0LL
};
/* These macros for use when using 32 bit pointers. */
#define CVMX_MIPS32_SPACE_KSEG0 1l
#define CVMX_ADD_SEG32(segment, add) \
(((int32_t)segment << 31) | (int32_t)(add))
#define CVMX_IO_SEG CVMX_MIPS_SPACE_XKPHYS
/* These macros simplify the process of creating common IO addresses */
#define CVMX_ADD_SEG(segment, add) \
((((uint64_t)segment) << 62) | (add))
#ifndef CVMX_ADD_IO_SEG
#define CVMX_ADD_IO_SEG(add) CVMX_ADD_SEG(CVMX_IO_SEG, (add))
#endif
/**
* Convert a memory pointer (void*) into a hardware compatible
* memory address (uint64_t). Octeon hardware widgets don't

114
arch/mips/include/asm/octeon/octeon-feature.h
View File

@ -31,8 +31,14 @@
#ifndef __OCTEON_FEATURE_H__
#define __OCTEON_FEATURE_H__
#include <asm/octeon/cvmx-mio-defs.h>
#include <asm/octeon/cvmx-rnm-defs.h>
enum octeon_feature {
/* CN68XX uses port kinds for packet interface */
OCTEON_FEATURE_PKND,
/* CN68XX has different fields in word0 - word2 */
OCTEON_FEATURE_CN68XX_WQE,
/*
* Octeon models in the CN5XXX family and higher support
* atomic add instructions to memory (saa/saad).
@ -42,8 +48,13 @@ enum octeon_feature {
OCTEON_FEATURE_ZIP,
/* Does this Octeon support crypto acceleration using COP2? */
OCTEON_FEATURE_CRYPTO,
OCTEON_FEATURE_DORM_CRYPTO,
/* Does this Octeon support PCI express? */
OCTEON_FEATURE_PCIE,
/* Does this Octeon support SRIOs */
OCTEON_FEATURE_SRIO,
/* Does this Octeon support Interlaken */
OCTEON_FEATURE_ILK,
/* Some Octeon models support internal memory for storing
* cryptographic keys */
OCTEON_FEATURE_KEY_MEMORY,
@ -64,6 +75,15 @@ enum octeon_feature {
/* 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_FEATURE_DFM,
OCTEON_FEATURE_CIU2,
OCTEON_MAX_FEATURE
};
static inline int cvmx_fuse_read(int fuse);
@ -96,30 +116,78 @@ static inline int octeon_has_feature(enum octeon_feature feature)
return !cvmx_fuse_read(121);
case OCTEON_FEATURE_CRYPTO:
return !cvmx_fuse_read(90);
if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
union cvmx_mio_fus_dat2 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 {
union cvmx_rnm_ctl_status 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)) {
union cvmx_mio_fus_dat2 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:
case OCTEON_FEATURE_MGMT_PORT:
case OCTEON_FEATURE_RAID:
return OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX);
|| OCTEON_IS_MODEL(OCTEON_CN52XX)
|| OCTEON_IS_MODEL(OCTEON_CN6XXX);
case OCTEON_FEATURE_SRIO:
return OCTEON_IS_MODEL(OCTEON_CN63XX)
|| OCTEON_IS_MODEL(OCTEON_CN66XX);
case OCTEON_FEATURE_ILK:
return (OCTEON_IS_MODEL(OCTEON_CN68XX));
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_CN56XX_PASS1_X)
&& !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X);
|| 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)
@ -127,14 +195,42 @@ static inline int octeon_has_feature(enum octeon_feature feature)
return 0;
else if (OCTEON_IS_MODEL(OCTEON_CN3020))
return 0;
else if (OCTEON_IS_MODEL(OCTEON_CN38XX_PASS1))
return 1;
else
return !cvmx_fuse_read(120);
case OCTEON_FEATURE_HFA:
if (!OCTEON_IS_MODEL(OCTEON_CN6XXX))
return 0;
else
return !cvmx_fuse_read(90);
case OCTEON_FEATURE_DFM:
if (!(OCTEON_IS_MODEL(OCTEON_CN63XX)
|| OCTEON_IS_MODEL(OCTEON_CN66XX)))
return 0;
else
return !cvmx_fuse_read(90);
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);
case OCTEON_FEATURE_PKND:
return OCTEON_IS_MODEL(OCTEON_CN68XX);
case OCTEON_FEATURE_CN68XX_WQE:
return OCTEON_IS_MODEL(OCTEON_CN68XX);
case OCTEON_FEATURE_CIU2:
return OCTEON_IS_MODEL(OCTEON_CN68XX);
default:
break;
}
return 0;
}