src/soc/cavium/cn81xx/bootblock.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * Derived from Cavium's BSD-3 Clause OCTEONTX-SDK-6.2.0.
  15  */
  16
  17 #include <commonlib/helpers.h>
  18 #include <soc/bootblock.h>
  19 #include <soc/sysreg.h>
  20 #include <soc/timer.h>
  21 #include <libbdk-arch/bdk-asm.h>
  22
  23 static void init_sysreg(void)
  24 {
  25         /* The defaults for write buffer timeouts are poor */
  26         u64 cvmmemctl0;
  27         BDK_MRS(s3_0_c11_c0_4, cvmmemctl0);
  28         cvmmemctl0 |= AP_CVMMEMCTL0_EL1_WBFTONSHENA |
  29                 AP_CVMMEMCTL0_EL1_WBFTOMRGCLRENA;
  30         BDK_MSR(s3_0_c11_c0_4, cvmmemctl0);
  31 }
  32
  33 void bootblock_soc_early_init(void)
  34 {
  35 }
  36
  37 void bootblock_soc_init(void)
  38 {
  39         /* initialize system registers */
  40         init_sysreg();
  41
  42         /* Set watchdog to 5 seconds timeout */
  43         watchdog_set(0, 5000);
  44         watchdog_poke(0);
  45
  46         /* TODO: additional clock init? */
  47 }