Merge tag 'for-linus-3.11-merge-window-part-1' of git://git.kernel.org/pub/scm/linux...
[linux-2.6-microblaze.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/clk-provider.h>
11 #include <linux/clocksource.h>
12 #include <linux/irq.h>
13 #include <asm/hardware/cache-l2x0.h>
14 #include <asm/mach/arch.h>
15
16 #include "smp.h"
17
18 void __init stih41x_l2x0_init(void)
19 {
20         u32 way_size = 0x4;
21         u32 aux_ctrl;
22         /* may be this can be encoded in macros like BIT*() */
23         aux_ctrl = (0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) |
24                 (0x1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) |
25                 (0x1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) |
26                 (way_size << L2X0_AUX_CTRL_WAY_SIZE_SHIFT);
27
28         l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK);
29 }
30
31 static void __init stih41x_timer_init(void)
32 {
33         of_clk_init(NULL);
34         clocksource_of_init();
35         stih41x_l2x0_init();
36 }
37
38 static const char *stih41x_dt_match[] __initdata = {
39         "st,stih415",
40         "st,stih416",
41         NULL
42 };
43
44 DT_MACHINE_START(STM, "STiH415/416 SoC with Flattened Device Tree")
45         .init_time      = stih41x_timer_init,
46         .smp            = smp_ops(sti_smp_ops),
47         .dt_compat      = stih41x_dt_match,
48 MACHINE_END