455 lines
16 KiB
C
455 lines
16 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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*
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* File defining functions for working with different Octeon
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* models.
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*
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* <hr>$Revision: 70030 $<hr>
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*/
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#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
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#include <asm/octeon/octeon.h>
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#include <asm/octeon/cvmx-clock.h>
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#else
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#include "cvmx.h"
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#include "cvmx-pow.h"
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#include "cvmx-warn.h"
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#endif
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#if defined(CVMX_BUILD_FOR_LINUX_USER) || defined(CVMX_BUILD_FOR_STANDALONE) || defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
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#if !defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
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#include <octeon-app-init.h>
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#endif
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#include "cvmx-sysinfo.h"
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/**
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* This function checks to see if the software is compatible with the
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* chip it is running on. This is called in the application startup code
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* and does not need to be called directly by the application.
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* Does not return if software is incompatible, unless compiled for the
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* FreeBSD kernel, in which case it returns -1.
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*
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* @param chip_id chip id that the software is being run on.
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*
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* @return 0: runtime checking or exact version match
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* 1: chip is newer revision than compiled for, but software will run properly.
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* -1: software is incompatible
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*/
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int octeon_model_version_check(uint32_t chip_id __attribute__ ((unused)))
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{
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//printf("Model Number: %s\n", octeon_model_get_string(chip_id));
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#if !OCTEON_IS_COMMON_BINARY()
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/* Check for special case of mismarked 3005 samples, and adjust cpuid */
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if (chip_id == OCTEON_CN3010_PASS1 && (cvmx_read_csr(0x80011800800007B8ull) & (1ull << 34)))
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chip_id |= 0x10;
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if ((OCTEON_MODEL & 0xffffff) != chip_id)
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{
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if (!OCTEON_IS_MODEL((OM_IGNORE_REVISION | chip_id)) || (OCTEON_MODEL & 0xffffff) > chip_id || (((OCTEON_MODEL & 0xffffff) ^ chip_id) & 0x10))
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{
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printf("ERROR: Software not configured for this chip\n"
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" Expecting ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id);
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if ((OCTEON_MODEL & 0xffffff) > chip_id)
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printf("Refusing to run on older revision than program was compiled for.\n");
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#if !defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
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exit(-1);
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#else
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return(-1);
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#endif
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}
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else
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{
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printf("\n###################################################\n");
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printf("WARNING: Software configured for older revision than running on.\n"
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" Compiled for ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id);
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printf("###################################################\n\n");
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return(1);
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}
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}
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#endif
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cvmx_warn_if(CVMX_ENABLE_PARAMETER_CHECKING, "Parameter checks are enabled. Expect some performance loss due to the extra checking\n");
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cvmx_warn_if(CVMX_ENABLE_CSR_ADDRESS_CHECKING, "CSR address checks are enabled. Expect some performance loss due to the extra checking\n");
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cvmx_warn_if(CVMX_ENABLE_POW_CHECKS, "POW state checks are enabled. Expect some performance loss due to the extra checking\n");
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return(0);
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}
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#endif
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/**
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* Given the chip processor ID from COP0, this function returns a
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* string representing the chip model number. The string is of the
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* form CNXXXXpX.X-FREQ-SUFFIX.
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* - XXXX = The chip model number
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* - X.X = Chip pass number
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* - FREQ = Current frequency in Mhz
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* - SUFFIX = NSP, EXP, SCP, SSP, or CP
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*
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* @param chip_id Chip ID
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*
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* @return Model string
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*/
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const char *octeon_model_get_string(uint32_t chip_id)
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{
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static char buffer[32];
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return octeon_model_get_string_buffer(chip_id,buffer);
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}
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/* Version of octeon_model_get_string() that takes buffer as argument, as
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** running early in u-boot static/global variables don't work when running from
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** flash
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*/
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const char *octeon_model_get_string_buffer(uint32_t chip_id, char * buffer)
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{
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const char * family;
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const char * core_model;
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char pass[4];
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#ifndef CVMX_BUILD_FOR_UBOOT
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int clock_mhz;
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#endif
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const char * suffix;
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cvmx_l2d_fus3_t fus3;
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int num_cores;
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cvmx_mio_fus_dat2_t fus_dat2;
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cvmx_mio_fus_dat3_t fus_dat3;
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char fuse_model[10];
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uint32_t fuse_data = 0;
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fus3.u64 = 0;
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if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX))
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fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
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fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
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fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3);
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num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE));
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/* Make sure the non existent devices look disabled */
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switch ((chip_id >> 8) & 0xff)
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{
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case 6: /* CN50XX */
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case 2: /* CN30XX */
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fus_dat3.s.nodfa_dte = 1;
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fus_dat3.s.nozip = 1;
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break;
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case 4: /* CN57XX or CN56XX */
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fus_dat3.s.nodfa_dte = 1;
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break;
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default:
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break;
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}
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/* Make a guess at the suffix */
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/* NSP = everything */
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/* EXP = No crypto */
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/* SCP = No DFA, No zip */
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/* CP = No DFA, No crypto, No zip */
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if (fus_dat3.s.nodfa_dte)
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{
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if (fus_dat2.s.nocrypto)
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suffix = "CP";
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else
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suffix = "SCP";
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}
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else if (fus_dat2.s.nocrypto)
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suffix = "EXP";
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else
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suffix = "NSP";
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/* Assume pass number is encoded using <5:3><2:0>. Exceptions will be
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fixed later */
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sprintf(pass, "%d.%d", (int)((chip_id>>3)&7)+1, (int)chip_id&7);
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/* Use the number of cores to determine the last 2 digits of the model
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number. There are some exceptions that are fixed later */
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switch (num_cores)
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{
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case 32: core_model = "80"; break;
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case 24: core_model = "70"; break;
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case 16: core_model = "60"; break;
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case 15: core_model = "58"; break;
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case 14: core_model = "55"; break;
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case 13: core_model = "52"; break;
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case 12: core_model = "50"; break;
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case 11: core_model = "48"; break;
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case 10: core_model = "45"; break;
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case 9: core_model = "42"; break;
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case 8: core_model = "40"; break;
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case 7: core_model = "38"; break;
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case 6: core_model = "34"; break;
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case 5: core_model = "32"; break;
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case 4: core_model = "30"; break;
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case 3: core_model = "25"; break;
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case 2: core_model = "20"; break;
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case 1: core_model = "10"; break;
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default: core_model = "XX"; break;
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}
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/* Now figure out the family, the first two digits */
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switch ((chip_id >> 8) & 0xff)
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{
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case 0: /* CN38XX, CN37XX or CN36XX */
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if (fus3.cn38xx.crip_512k)
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{
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/* For some unknown reason, the 16 core one is called 37 instead of 36 */
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if (num_cores >= 16)
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family = "37";
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else
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family = "36";
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}
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else
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family = "38";
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/* This series of chips didn't follow the standard pass numbering */
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switch (chip_id & 0xf)
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{
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case 0: strcpy(pass, "1.X"); break;
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case 1: strcpy(pass, "2.X"); break;
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case 3: strcpy(pass, "3.X"); break;
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default:strcpy(pass, "X.X"); break;
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}
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break;
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case 1: /* CN31XX or CN3020 */
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if ((chip_id & 0x10) || fus3.cn31xx.crip_128k)
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family = "30";
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else
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family = "31";
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/* This series of chips didn't follow the standard pass numbering */
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switch (chip_id & 0xf)
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{
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case 0: strcpy(pass, "1.0"); break;
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case 2: strcpy(pass, "1.1"); break;
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default:strcpy(pass, "X.X"); break;
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}
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break;
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case 2: /* CN3010 or CN3005 */
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family = "30";
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/* A chip with half cache is an 05 */
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if (fus3.cn30xx.crip_64k)
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core_model = "05";
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/* This series of chips didn't follow the standard pass numbering */
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switch (chip_id & 0xf)
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{
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case 0: strcpy(pass, "1.0"); break;
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case 2: strcpy(pass, "1.1"); break;
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default:strcpy(pass, "X.X"); break;
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}
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break;
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case 3: /* CN58XX */
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family = "58";
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/* Special case. 4 core, half cache (CP with half cache) */
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if ((num_cores == 4) && fus3.cn58xx.crip_1024k && !strncmp(suffix, "CP", 2))
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core_model = "29";
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/* Pass 1 uses different encodings for pass numbers */
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if ((chip_id & 0xFF)< 0x8)
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{
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switch (chip_id & 0x3)
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{
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case 0: strcpy(pass, "1.0"); break;
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case 1: strcpy(pass, "1.1"); break;
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case 3: strcpy(pass, "1.2"); break;
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default:strcpy(pass, "1.X"); break;
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}
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}
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break;
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case 4: /* CN57XX, CN56XX, CN55XX, CN54XX */
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if (fus_dat2.cn56xx.raid_en)
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{
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if (fus3.cn56xx.crip_1024k)
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family = "55";
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else
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family = "57";
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if (fus_dat2.cn56xx.nocrypto)
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suffix = "SP";
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else
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suffix = "SSP";
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}
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else
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{
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if (fus_dat2.cn56xx.nocrypto)
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suffix = "CP";
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else
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{
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suffix = "NSP";
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if (fus_dat3.s.nozip)
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suffix = "SCP";
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if (fus_dat3.s.bar2_en)
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suffix = "NSPB2";
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}
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if (fus3.cn56xx.crip_1024k)
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family = "54";
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else
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family = "56";
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}
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break;
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case 6: /* CN50XX */
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family = "50";
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break;
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case 7: /* CN52XX */
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if (fus3.cn52xx.crip_256k)
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family = "51";
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else
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family = "52";
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break;
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case 0x93: /* CN61XX */
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family = "61";
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if (fus_dat3.cn61xx.nozip)
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suffix = "SCP";
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else
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suffix = "AAP";
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break;
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case 0x90: /* CN63XX */
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family = "63";
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if (fus_dat3.s.l2c_crip == 2)
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family = "62";
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if (num_cores == 6) /* Other core counts match generic */
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core_model = "35";
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if (fus_dat2.cn63xx.nocrypto)
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suffix = "CP";
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else if (fus_dat2.cn63xx.dorm_crypto)
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suffix = "DAP";
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else if (fus_dat3.cn63xx.nozip)
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suffix = "SCP";
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else
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suffix = "AAP";
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break;
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case 0x92: /* CN66XX */
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family = "66";
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if (num_cores == 6) /* Other core counts match generic */
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core_model = "35";
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if (fus_dat2.cn66xx.nocrypto && fus_dat2.cn66xx.dorm_crypto)
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suffix = "AP";
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if (fus_dat2.cn66xx.nocrypto)
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suffix = "CP";
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else if (fus_dat2.cn66xx.dorm_crypto)
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suffix = "DAP";
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else if (fus_dat3.cn66xx.nozip && fus_dat2.cn66xx.raid_en)
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suffix = "SCP";
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else if (!fus_dat2.cn66xx.raid_en)
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suffix = "HAP";
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else
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suffix = "AAP";
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break;
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case 0x91: /* CN68XX */
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family = "68";
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if (fus_dat2.cn68xx.nocrypto && fus_dat3.cn68xx.nozip)
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suffix = "CP";
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else if (fus_dat2.cn68xx.dorm_crypto)
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suffix = "DAP";
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else if (fus_dat3.cn68xx.nozip)
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suffix = "SCP";
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else if (fus_dat2.cn68xx.nocrypto)
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suffix = "SP";
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else if (!fus_dat2.cn68xx.raid_en)
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suffix = "HAP";
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else
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suffix = "AAP";
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break;
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case 0x94: /* CNF71XX */
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family = "F71";
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if (fus_dat3.cnf71xx.nozip)
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suffix = "SCP";
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else
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suffix = "AAP";
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break;
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default:
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family = "XX";
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core_model = "XX";
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strcpy(pass, "X.X");
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suffix = "XXX";
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break;
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}
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#ifndef CVMX_BUILD_FOR_UBOOT
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clock_mhz = cvmx_clock_get_rate(CVMX_CLOCK_RCLK) / 1000000;
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#endif
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if (family[0] != '3')
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{
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int fuse_base = 384/8;
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if (family[0] == '6')
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fuse_base = 832/8;
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/* Check for model in fuses, overrides normal decode */
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/* This is _not_ valid for Octeon CN3XXX models */
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fuse_data |= cvmx_fuse_read_byte(fuse_base + 3);
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fuse_data = fuse_data << 8;
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fuse_data |= cvmx_fuse_read_byte(fuse_base + 2);
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fuse_data = fuse_data << 8;
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fuse_data |= cvmx_fuse_read_byte(fuse_base + 1);
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fuse_data = fuse_data << 8;
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fuse_data |= cvmx_fuse_read_byte(fuse_base);
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if (fuse_data & 0x7ffff)
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{
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int model = fuse_data & 0x3fff;
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int suffix = (fuse_data >> 14) & 0x1f;
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if (suffix && model) /* Have both number and suffix in fuses, so both */
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{
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sprintf(fuse_model, "%d%c",model, 'A' + suffix - 1);
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core_model = "";
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family = fuse_model;
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}
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else if (suffix && !model) /* Only have suffix, so add suffix to 'normal' model number */
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{
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sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1);
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core_model = fuse_model;
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}
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else /* Don't have suffix, so just use model from fuses */
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{
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sprintf(fuse_model, "%d",model);
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core_model = "";
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family = fuse_model;
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}
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}
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}
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#ifdef CVMX_BUILD_FOR_UBOOT
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sprintf(buffer, "CN%s%s-%s pass %s", family, core_model, suffix, pass);
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#else
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sprintf(buffer, "CN%s%sp%s-%d-%s", family, core_model, pass, clock_mhz, suffix);
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#endif
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return buffer;
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}
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