xref: /openbmc/linux/arch/arm/mach-sti/board-dt.c (revision bbecb07f)
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
44