Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
[linux-drm-fsl-dcu.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 void __init stih41x_l2x0_init(void)
18 {
19         u32 way_size = 0x4;
20         u32 aux_ctrl;
21         /* may be this can be encoded in macros like BIT*() */
22         aux_ctrl = (0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) |
23                 (0x1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) |
24                 (0x1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) |
25                 (way_size << L2X0_AUX_CTRL_WAY_SIZE_SHIFT);
26
27         l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK);
28 }
29
30 static void __init stih41x_machine_init(void)
31 {
32         stih41x_l2x0_init();
33         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
34 }
35
36 static const char *stih41x_dt_match[] __initdata = {
37         "st,stih415",
38         "st,stih416",
39         NULL
40 };
41
42 DT_MACHINE_START(STM, "STiH415/416 SoC with Flattened Device Tree")
43         .init_machine   = stih41x_machine_init,
44         .smp            = smp_ops(sti_smp_ops),
45         .dt_compat      = stih41x_dt_match,
46 MACHINE_END