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>
17#include <linux/clkdev.h>
18#include <linux/amba/bus.h>
19#include <linux/amba/clcd.h>
20
21#include <asm/mach/arch.h>
22#include <asm/mach-types.h>
23#include <asm/mach/map.h>
24
25#include <asm/hardware/timer-sp.h>
26
27#include "mmio.h"
28#include "clcd.h"
29
30static const char *const nspire_dt_match[] __initconst = {
31	"ti,nspire",
32	"ti,nspire-cx",
33	"ti,nspire-tp",
34	"ti,nspire-clp",
35	NULL,
36};
37
38static void __init nspire_map_io(void)
39{
40	debug_ll_io_init();
41}
42
43static struct clcd_board nspire_clcd_data = {
44	.name		= "LCD",
45	.caps		= CLCD_CAP_5551 | CLCD_CAP_565,
46	.check		= clcdfb_check,
47	.decode		= clcdfb_decode,
48	.setup		= nspire_clcd_setup,
49	.mmap		= nspire_clcd_mmap,
50	.remove		= nspire_clcd_remove,
51};
52
53
54static struct of_dev_auxdata nspire_auxdata[] __initdata = {
55	OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE,
56			NULL, &nspire_clcd_data),
57	{ }
58};
59
60static void __init nspire_init(void)
61{
62	of_platform_populate(NULL, of_default_bus_match_table,
63			nspire_auxdata, NULL);
64}
65
66static void nspire_restart(enum reboot_mode mode, const char *cmd)
67{
68	void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K);
69	if (!base)
70		return;
71
72	writel(2, base + NSPIRE_MISC_HWRESET);
73}
74
75DT_MACHINE_START(NSPIRE, "TI-NSPIRE")
76	.dt_compat	= nspire_dt_match,
77	.map_io		= nspire_map_io,
78	.init_machine	= nspire_init,
79	.restart	= nspire_restart,
80MACHINE_END
81