arm/mach-nspire/nspire.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  *  linux/arch/arm/mach-nspire/nspire.c
0004  *
0005  *  Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
0006  */
0007 #include <linux/init.h>
0008 #include <linux/of_irq.h>
0009 #include <linux/of_address.h>
0010 #include <linux/of_platform.h>
0011 #include <linux/irqchip.h>
0012 #include <linux/irqchip/arm-vic.h>
0013 #include <linux/clkdev.h>
0014 #include <linux/amba/bus.h>
0015
0016 #include <asm/mach/arch.h>
0017 #include <asm/mach-types.h>
0018 #include <asm/mach/map.h>
0019
0020 #include "mmio.h"
0021
0022 static const char *const nspire_dt_match[] __initconst = {
0023     "ti,nspire",
0024     "ti,nspire-cx",
0025     "ti,nspire-tp",
0026     "ti,nspire-clp",
0027     NULL,
0028 };
0029
0030 static void nspire_restart(enum reboot_mode mode, const char *cmd)
0031 {
0032     void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K);
0033     if (!base)
0034         return;
0035
0036     writel(2, base + NSPIRE_MISC_HWRESET);
0037 }
0038
0039 DT_MACHINE_START(NSPIRE, "TI-NSPIRE")
0040     .dt_compat  = nspire_dt_match,
0041     .restart    = nspire_restart,
0042 MACHINE_END