src/soc/cavium/cn81xx/bootblock.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 /*
   4  * Derived from Cavium's BSD-3 Clause OCTEONTX-SDK-6.2.0.
   5  */
   6
   7 #include <commonlib/helpers.h>
   8 #include <soc/bootblock.h>
   9 #include <soc/sysreg.h>
  10 #include <soc/timer.h>
  11 #include <libbdk-arch/bdk-asm.h>
  12
  13 static void init_sysreg(void)
  14 {
  15         /* The defaults for write buffer timeouts are poor */
  16         u64 cvmmemctl0;
  17         BDK_MRS(s3_0_c11_c0_4, cvmmemctl0);
  18         cvmmemctl0 |= AP_CVMMEMCTL0_EL1_WBFTONSHENA |
  19                 AP_CVMMEMCTL0_EL1_WBFTOMRGCLRENA;
  20         BDK_MSR(s3_0_c11_c0_4, cvmmemctl0);
  21 }
  22
  23 void bootblock_soc_early_init(void)
  24 {
  25 }
  26
  27 void bootblock_soc_init(void)
  28 {
  29         /* initialize system registers */
  30         init_sysreg();
  31
  32         /* Set watchdog to 5 seconds timeout */
  33         watchdog_set(0, 5000);
  34         watchdog_poke(0);
  35
  36         /* TODO: additional clock init? */
  37 }