GNU Linux-libre 4.19.264-gnu1
[releases.git] / 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