1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * linux/arch/arm/mach-nspire/nspire.c 4 * 5 * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> 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> 13 #include <linux/clkdev.h> 14 #include <linux/amba/bus.h> 15 #include <linux/amba/clcd.h> 16 17 #include <asm/mach/arch.h> 18 #include <asm/mach-types.h> 19 #include <asm/mach/map.h> 20 21 #include "mmio.h" 22 #include "clcd.h" 23 24 static const char *const nspire_dt_match[] __initconst = { 25 "ti,nspire", 26 "ti,nspire-cx", 27 "ti,nspire-tp", 28 "ti,nspire-clp", 29 NULL, 30 }; 31 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 { 51 of_platform_default_populate(NULL, nspire_auxdata, NULL); 52 } 53 54 static void nspire_restart(enum reboot_mode mode, const char *cmd) 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, 65 .init_machine = nspire_init, 66 .restart = nspire_restart, 67 MACHINE_END 68