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9851ca57 DT |
1 | /* |
2 | * linux/arch/arm/mach-nspire/nspire.c | |
3 | * | |
4 | * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2, as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | */ | |
11 | #include <linux/init.h> | |
12 | #include <linux/of_irq.h> | |
13 | #include <linux/of_address.h> | |
14 | #include <linux/of_platform.h> | |
15 | #include <linux/irqchip.h> | |
16 | #include <linux/irqchip/arm-vic.h> | |
9851ca57 DT |
17 | #include <linux/clkdev.h> |
18 | #include <linux/amba/bus.h> | |
19 | #include <linux/amba/clcd.h> | |
9851ca57 DT |
20 | |
21 | #include <asm/mach/arch.h> | |
22 | #include <asm/mach-types.h> | |
23 | #include <asm/mach/map.h> | |
24 | ||
9851ca57 DT |
25 | #include "mmio.h" |
26 | #include "clcd.h" | |
27 | ||
543c5040 | 28 | static const char *const nspire_dt_match[] __initconst = { |
9851ca57 DT |
29 | "ti,nspire", |
30 | "ti,nspire-cx", | |
31 | "ti,nspire-tp", | |
32 | "ti,nspire-clp", | |
33 | NULL, | |
34 | }; | |
35 | ||
36 | static void __init nspire_map_io(void) | |
37 | { | |
38 | debug_ll_io_init(); | |
39 | } | |
40 | ||
41 | static struct clcd_board nspire_clcd_data = { | |
42 | .name = "LCD", | |
43 | .caps = CLCD_CAP_5551 | CLCD_CAP_565, | |
44 | .check = clcdfb_check, | |
45 | .decode = clcdfb_decode, | |
46 | .setup = nspire_clcd_setup, | |
47 | .mmap = nspire_clcd_mmap, | |
48 | .remove = nspire_clcd_remove, | |
49 | }; | |
50 | ||
51 | ||
52 | static struct of_dev_auxdata nspire_auxdata[] __initdata = { | |
53 | OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE, | |
54 | NULL, &nspire_clcd_data), | |
55 | { } | |
56 | }; | |
57 | ||
58 | static void __init nspire_init(void) | |
59 | { | |
435ebcbc | 60 | of_platform_default_populate(NULL, nspire_auxdata, NULL); |
9851ca57 DT |
61 | } |
62 | ||
27addb96 | 63 | static void nspire_restart(enum reboot_mode mode, const char *cmd) |
9851ca57 DT |
64 | { |
65 | void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K); | |
66 | if (!base) | |
67 | return; | |
68 | ||
69 | writel(2, base + NSPIRE_MISC_HWRESET); | |
70 | } | |
71 | ||
72 | DT_MACHINE_START(NSPIRE, "TI-NSPIRE") | |
73 | .dt_compat = nspire_dt_match, | |
74 | .map_io = nspire_map_io, | |
9851ca57 DT |
75 | .init_machine = nspire_init, |
76 | .restart = nspire_restart, | |
77 | MACHINE_END |