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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
9851ca57 DT |
2 | /* |
3 | * linux/arch/arm/mach-nspire/nspire.c | |
4 | * | |
5 | * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> | |
9851ca57 DT |
6 | */ |
7 | #include <linux/init.h> | |
8 | #include <linux/of_irq.h> | |
9 | #include <linux/of_address.h> | |
10 | #include <linux/of_platform.h> | |
11 | #include <linux/irqchip.h> | |
12 | #include <linux/irqchip/arm-vic.h> | |
9851ca57 DT |
13 | #include <linux/clkdev.h> |
14 | #include <linux/amba/bus.h> | |
15 | #include <linux/amba/clcd.h> | |
9851ca57 DT |
16 | |
17 | #include <asm/mach/arch.h> | |
18 | #include <asm/mach-types.h> | |
19 | #include <asm/mach/map.h> | |
20 | ||
9851ca57 DT |
21 | #include "mmio.h" |
22 | #include "clcd.h" | |
23 | ||
543c5040 | 24 | static const char *const nspire_dt_match[] __initconst = { |
9851ca57 DT |
25 | "ti,nspire", |
26 | "ti,nspire-cx", | |
27 | "ti,nspire-tp", | |
28 | "ti,nspire-clp", | |
29 | NULL, | |
30 | }; | |
31 | ||
9851ca57 DT |
32 | static struct clcd_board nspire_clcd_data = { |
33 | .name = "LCD", | |
34 | .caps = CLCD_CAP_5551 | CLCD_CAP_565, | |
35 | .check = clcdfb_check, | |
36 | .decode = clcdfb_decode, | |
37 | .setup = nspire_clcd_setup, | |
38 | .mmap = nspire_clcd_mmap, | |
39 | .remove = nspire_clcd_remove, | |
40 | }; | |
41 | ||
42 | ||
43 | static struct of_dev_auxdata nspire_auxdata[] __initdata = { | |
44 | OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE, | |
45 | NULL, &nspire_clcd_data), | |
46 | { } | |
47 | }; | |
48 | ||
49 | static void __init nspire_init(void) | |
50 | { | |
435ebcbc | 51 | of_platform_default_populate(NULL, nspire_auxdata, NULL); |
9851ca57 DT |
52 | } |
53 | ||
27addb96 | 54 | static void nspire_restart(enum reboot_mode mode, const char *cmd) |
9851ca57 DT |
55 | { |
56 | void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K); | |
57 | if (!base) | |
58 | return; | |
59 | ||
60 | writel(2, base + NSPIRE_MISC_HWRESET); | |
61 | } | |
62 | ||
63 | DT_MACHINE_START(NSPIRE, "TI-NSPIRE") | |
64 | .dt_compat = nspire_dt_match, | |
9851ca57 DT |
65 | .init_machine = nspire_init, |
66 | .restart = nspire_restart, | |
67 | MACHINE_END |