arch/arm/mach-sti/board-dt.c

   1 /*
   2  * Copyright (C) 2013 STMicroelectronics (R&D) Limited.
   3  * Author(s): Srinivas Kandagatla <srinivas.kandagatla@st.com>
   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 version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include <linux/irq.h>
  11 #include <linux/of_platform.h>
  12 #include <asm/hardware/cache-l2x0.h>
  13 #include <asm/mach/arch.h>
  14
  15 #include "smp.h"
  16
  17 static const char *const stih41x_dt_match[] __initconst = {
  18         "st,stih415",
  19         "st,stih416",
  20         "st,stih407",
  21         "st,stih410",
  22         "st,stih418",
  23         NULL
  24 };
  25
  26 static void sti_l2_write_sec(unsigned long val, unsigned reg)
  27 {
  28         /*
  29          * We can't write to secure registers as we are in non-secure
  30          * mode, until we have some SMI service available.
  31          */
  32 }
  33
  34 DT_MACHINE_START(STM, "STi SoC with Flattened Device Tree")
  35         .dt_compat      = stih41x_dt_match,
  36         .l2c_aux_val    = L2C_AUX_CTRL_SHARED_OVERRIDE |
  37                           L310_AUX_CTRL_DATA_PREFETCH |
  38                           L310_AUX_CTRL_INSTR_PREFETCH |
  39                           L2C_AUX_CTRL_WAY_SIZE(4),
  40         .l2c_aux_mask   = 0xc0000fff,
  41         .smp            = smp_ops(sti_smp_ops),
  42         .l2c_write_sec  = sti_l2_write_sec,
  43 MACHINE_END