openbcm

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reg_cmicx.c (1807B)

      1 /*
      2  * 
      3  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      4  * 
      5  * Copyright 2007-2019 Broadcom Inc. All rights reserved.
      6  *
      7  * Register address and value manipulations for CMICx.
      8  */
      9 
     10 #include <sal/core/libc.h>
     11 #include <sal/appl/sal.h>
     12 #include <soc/register.h>
     13 
     14 #ifdef BCM_CMICX_SUPPORT
     15 #include <soc/mcm/cmicx.h>
     16 
     17 soc_cmicx_reg_t cmicx_regs[] = CMICX_REG_INIT;
     18 
     19 STATIC soc_cmicx_reg_t
     20 *soc_cmicx_srch (uint32 addr) {
     21     int start = 0;
     22     int end = NUM_CMICX_REGS - 1;
     23     int mid = (start + end) >> 1;
     24     while (start <= end && cmicx_regs[mid].addr != addr) {
     25         if (cmicx_regs[mid].addr > addr) {
     26             end = mid - 1;
     27         } else {
     28             start = mid + 1;
     29         }
     30         mid = (start + end) >> 1;
     31     }
     32     return (cmicx_regs[mid].addr == addr) ? &(cmicx_regs[mid]) : NULL;
     33 }
     34 
     35 soc_cmicx_reg_t
     36 *soc_cmicx_reg_get (uint32 idx) {
     37     return &(cmicx_regs[idx]);
     38 }
     39 
     40 soc_reg_t
     41 soc_cmicx_addr_reg (uint32 addr) {
     42     soc_cmicx_reg_t *cmreg = soc_cmicx_srch(addr);
     43     return (cmreg == NULL)?INVALIDr:cmreg->reg;
     44 }
     45 
     46 char *
     47 soc_cmicx_addr_name (uint32 addr) {
     48     soc_cmicx_reg_t *cmreg = soc_cmicx_srch(addr);
     49     return (cmreg == NULL)?"???":cmreg->name;
     50 }
     51 
     52 /*
     53  * Parse a CMICX register name and return offset.  Matching is
     54  * case-insensitive and works with or without the "CMIC_" prefix.
     55  */
     56 
     57 int
     58 soc_parse_cmicx_regname(int unit, char *name, uint32 *offset_ptr) {
     59     char *s;
     60     int i;
     61     soc_cmicx_reg_t *creg;
     62     for (i = 0; i < NUM_CMICX_REGS; i++) {
     63         creg = soc_cmicx_reg_get(i);
     64         s = creg->name;
     65         if (sal_strcasecmp(name, s) == 0 || sal_strcasecmp(name, s + 5) == 0) {
     66             *offset_ptr = creg->addr;
     67             return 0;
     68         }
     69     }
     70     return -1;
     71 }
     72 #endif