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/***********************license start***********************************
* Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* This Software, including technical data, may be subject to U.S. export
* control laws, including the U.S. Export Administration Act and its
* associated regulations, and may be subject to export or import
* regulations in other countries.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK
* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
#include <bdk.h>
#include "libbdk-arch/bdk-csrs-ap.h"
#include "libbdk-arch/bdk-csrs-mio_fus.h"
#include "libbdk-arch/bdk-csrs-fus.h"
#include "libbdk-arch/bdk-csrs-fusf.h"
#include <libbdk-hal/bdk-clock.h>
#include <libbdk-hal/bdk-utils.h>
/*
Format of a SKU
CN8890-2000BG2601-AAP-G
CN8890-2000BG2601-AAP-PR-Y-G
CN XX XX X - XXX BG XXX - XX (- XX) (- X) - G
| | | | | | | | | | ^ RoHS Option, G=RoHS 6/6
| | | | | | | | | ^ Product Revision, blank for pass 1, Y=pass 2, W=pass 3, V=pass 4
| | | | | | | | ^ Product Phase, blank=production, PR=Prototype, ES=Engineering Sample
| | | | | | | ^ Marketing Segment Option (SC, SNT, etc)
| | | | | | ^ Number of balls on the package
| | | | | ^ Ball Grid Array
| | | | ^ Frequency in Mhz, 3 or 4 digits (300 - 2000)
| | | ^ Optional Customer Code, blank or A-Z
| | ^ Number of cores, see table below
| ^ Processor family, plus or minus for L2 sizes and such (88, 86, 83, 81, 80)
^ Cavium Prefix, sometimes changed for customer specific parts
Table of Core to Model encoding
>= 48 shows xx90
>= 44 shows xx88
>= 42 shows xx85
>= 32 shows xx80
>= 24 shows xx70
>= 20 shows xx65
>= 16 shows xx60
= 15 shows xx58
= 14 shows xx55
= 13 shows xx52
= 12 shows xx50
= 11 shows xx48
= 10 shows xx45
= 9 shows xx42
= 8 shows xx40
= 7 shows xx38
= 6 shows xx34
= 5 shows xx32
= 4 shows xx30
= 3 shows xx25
= 2 shows xx20
= 1 shows xx10
*/
/* Definition of each SKU table entry for the different dies */
typedef struct
{
uint8_t fuse_index; /* Index programmed into PNAME fuses to match this entry. Must never change once fused parts ship */
const char prefix[4]; /* Prefix before model number, usually "CN". Third letter is customer code shown after the model */
uint8_t model_base; /* First two digits of the model number */
uint16_t num_balls; /* Number of balls on package, included in SKU */
const char segment[4]; /* Market segment SKU is for, 2-3 character string */
uint16_t fuses[12]; /* List of fuses required for operation of this SKU */
} model_sku_info_t;
/* In the model_sku_info_t.fuses[] array, we use a special value
FUSES_CHECK_FUSF to represent that we need to check FUSF_CTL bit
6, checking for trusted boot */
#define FUSES_CHECK_FUSF 0xffff
/**
* Return non-zero if the die is in an alternate package. The
* normal is_model() checks will treat alternate package parts
* as all the same, where this function can be used to detect
* them. The return value is the upper two bits of
* MIO_FUS_DAT2[chip_id]. Most alternate packages use bit 6,
* which will return 1 here. Parts with a second alternative
* will use bit 7, which will return 2.
*
* @param arg_model One of the CAVIUM_* constants for chip models and passes
*
* @return Non-zero if an alternate package
* 0 = Normal package
* 1 = Alternate package 1 (CN86XX, CN80XX with 555 balls)
* 2 = Alternate package 2 (CN80XX with 676 balls)
* 3 = Alternate package 3 (Currently unused)
*/
int cavium_is_altpkg(uint32_t arg_model)
{
if (CAVIUM_IS_MODEL(arg_model))
{
BDK_CSR_INIT(mio_fus_dat2, bdk_numa_local(), BDK_MIO_FUS_DAT2);
/* Bits 7:6 are used for alternate packages. Return the exact
number so multiple alternate packages can be detected
(CN80XX is an example) */
int altpkg = mio_fus_dat2.s.chip_id >> 6;
if (altpkg)
return altpkg;
/* Due to a documentation mixup, some CN80XX parts do not have chip_id
bit 7 set. As a backup, use lmc_mode32 to find these parts. Both
bits are suppose to be fused, but some parts only have lmc_mode32 */
if (CAVIUM_IS_MODEL(CAVIUM_CN81XX) && mio_fus_dat2.s.lmc_mode32)
return 2;
return 0;
}
else
return 0;
}
|
