MIPS: Oceton: Update model detection code for new chips.

Several newer chips were not covered, update the code to detect them.
This necessitates updating cvmx-mio-defs.h as well, because it has new
and required definitions.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2939/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 85 insertions, 34 deletions

diff --git a/arch/mips/cavium-octeon/executive/octeon-model.c b/arch/mips/cavium-octeon/executive/octeon-model.c
index c8d35684504e..f4c1b36fdf65 100644
--- a/arch/mips/cavium-octeon/executive/octeon-model.c
+++ b/arch/mips/cavium-octeon/executive/octeon-model.c
@@ -4,7 +4,7 @@
  * Contact: support@caviumnetworks.com
  * This file is part of the OCTEON SDK
  *
- * Copyright (c) 2003-2008 Cavium Networks
+ * Copyright (c) 2003-2010 Cavium Networks
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, Version 2, as
@@ -25,10 +25,6 @@
  * Contact Cavium Networks for more information
  ***********************license end**************************************/
 
-/*
- * File defining functions for working with different Octeon
- * models.
- */
 #include <asm/octeon/octeon.h>
 
 /**
@@ -69,11 +65,12 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
         char fuse_model[10];
         uint32_t fuse_data = 0;
 
-        fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
+        fus3.u64 = 0;
+        if (!OCTEON_IS_MODEL(OCTEON_CN6XXX))
+                fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
         fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
         fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3);
-
-        num_cores = cvmx_octeon_num_cores();
+        num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE));
 
         /* Make sure the non existent devices look disabled */
         switch ((chip_id >> 8) & 0xff) {
@@ -108,7 +105,7 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
          * Assume pass number is encoded using <5:3><2:0>. Exceptions
          * will be fixed later.
          */
-        sprintf(pass, "%u.%u", ((chip_id >> 3) & 7) + 1, chip_id & 7);
+        sprintf(pass, "%d.%d", (int)((chip_id >> 3) & 7) + 1, (int)chip_id & 7);
 
         /*
          * Use the number of cores to determine the last 2 digits of
@@ -116,6 +113,12 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
          * later.
          */
         switch (num_cores) {
+        case 32:
+                core_model = "80";
+                break;
+        case 24:
+                core_model = "70";
+                break;
         case 16:
                 core_model = "60";
                 break;
@@ -246,8 +249,8 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
                 break;
         case 3:         /* CN58XX */
                 family = "58";
-                /* Special case. 4 core, no crypto */
-                if ((num_cores == 4) && fus_dat2.cn38xx.nocrypto)
+                /* Special case. 4 core, half cache (CP with half cache) */
+                if ((num_cores == 4) && fus3.cn58xx.crip_1024k && !strncmp(suffix, "CP", 2))
                         core_model = "29";
 
                 /* Pass 1 uses different encodings for pass numbers */
@@ -285,6 +288,9 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
                                 suffix = "NSP";
                                 if (fus_dat3.s.nozip)
                                         suffix = "SCP";
+
+                                if (fus_dat3.s.bar2_en)
+                                        suffix = "NSPB2";
                         }
                         if (fus3.cn56xx.crip_1024k)
                                 family = "54";
@@ -301,6 +307,60 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
                 else
                         family = "52";
                 break;
+        case 0x93:              /* CN61XX */
+                family = "61";
+                if (fus_dat2.cn61xx.nocrypto && fus_dat2.cn61xx.dorm_crypto)
+                        suffix = "AP";
+                if (fus_dat2.cn61xx.nocrypto)
+                        suffix = "CP";
+                else if (fus_dat2.cn61xx.dorm_crypto)
+                        suffix = "DAP";
+                else if (fus_dat3.cn61xx.nozip)
+                        suffix = "SCP";
+                break;
+        case 0x90:              /* CN63XX */
+                family = "63";
+                if (fus_dat3.s.l2c_crip == 2)
+                        family = "62";
+                if (num_cores == 6)     /* Other core counts match generic */
+                        core_model = "35";
+                if (fus_dat2.cn63xx.nocrypto)
+                        suffix = "CP";
+                else if (fus_dat2.cn63xx.dorm_crypto)
+                        suffix = "DAP";
+                else if (fus_dat3.cn63xx.nozip)
+                        suffix = "SCP";
+                else
+                        suffix = "AAP";
+                break;
+        case 0x92:              /* CN66XX */
+                family = "66";
+                if (num_cores == 6)     /* Other core counts match generic */
+                        core_model = "35";
+                if (fus_dat2.cn66xx.nocrypto && fus_dat2.cn66xx.dorm_crypto)
+                        suffix = "AP";
+                if (fus_dat2.cn66xx.nocrypto)
+                        suffix = "CP";
+                else if (fus_dat2.cn66xx.dorm_crypto)
+                        suffix = "DAP";
+                else if (fus_dat3.cn66xx.nozip)
+                        suffix = "SCP";
+                else
+                        suffix = "AAP";
+                break;
+        case 0x91:              /* CN68XX */
+                family = "68";
+                if (fus_dat2.cn68xx.nocrypto && fus_dat3.cn68xx.nozip)
+                        suffix = "CP";
+                else if (fus_dat2.cn68xx.dorm_crypto)
+                        suffix = "DAP";
+                else if (fus_dat3.cn68xx.nozip)
+                        suffix = "SCP";
+                else if (fus_dat2.cn68xx.nocrypto)
+                        suffix = "SP";
+                else
+                        suffix = "AAP";
+                break;
         default:
                 family = "XX";
                 core_model = "XX";
@@ -310,49 +370,40 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
         }
 
         clock_mhz = octeon_get_clock_rate() / 1000000;
-
         if (family[0] != '3') {
+                int fuse_base = 384 / 8;
+                if (family[0] == '6')
+                        fuse_base = 832 / 8;
+
                 /* Check for model in fuses, overrides normal decode */
                 /* This is _not_ valid for Octeon CN3XXX models */
-                fuse_data |= cvmx_fuse_read_byte(51);
+                fuse_data |= cvmx_fuse_read_byte(fuse_base + 3);
                 fuse_data = fuse_data << 8;
-                fuse_data |= cvmx_fuse_read_byte(50);
+                fuse_data |= cvmx_fuse_read_byte(fuse_base + 2);
                 fuse_data = fuse_data << 8;
-                fuse_data |= cvmx_fuse_read_byte(49);
+                fuse_data |= cvmx_fuse_read_byte(fuse_base + 1);
                 fuse_data = fuse_data << 8;
-                fuse_data |= cvmx_fuse_read_byte(48);
+                fuse_data |= cvmx_fuse_read_byte(fuse_base);
                 if (fuse_data & 0x7ffff) {
                         int model = fuse_data & 0x3fff;
                         int suffix = (fuse_data >> 14) & 0x1f;
                         if (suffix && model) {
-                                /*
-                                 * Have both number and suffix in
-                                 * fuses, so both
-                                 */
-                                sprintf(fuse_model, "%d%c",
-                                        model, 'A' + suffix - 1);
+                                /* Have both number and suffix in fuses, so both */
+                                sprintf(fuse_model, "%d%c", model, 'A' + suffix - 1);
                                 core_model = "";
                                 family = fuse_model;
                         } else if (suffix && !model) {
-                                /*
-                                 * Only have suffix, so add suffix to
-                                 * 'normal' model number.
-                                 */
-                                sprintf(fuse_model, "%s%c", core_model,
-                                        'A' + suffix - 1);
+                                /* Only have suffix, so add suffix to 'normal' model number */
+                                sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1);
                                 core_model = fuse_model;
                         } else {
-                                /*
-                                 * Don't have suffix, so just use
-                                 * model from fuses.
-                                 */
+                                /* Don't have suffix, so just use model from fuses */
                                 sprintf(fuse_model, "%d", model);
                                 core_model = "";
                                 family = fuse_model;
                         }
                 }
         }
-        sprintf(buffer, "CN%s%sp%s-%d-%s",
-                family, core_model, pass, clock_mhz, suffix);
+        sprintf(buffer, "CN%s%sp%s-%d-%s", family, core_model, pass, clock_mhz, suffix);
         return buffer;
 }