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 "mmio.h" 26 #include "clcd.h" 27 28 static const char *const nspire_dt_match[] __initconst = { 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 { 60 of_platform_default_populate(NULL, nspire_auxdata, NULL); 61 } 62 63 static void nspire_restart(enum reboot_mode mode, const char *cmd) 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, 75 .init_machine = nspire_init, 76 .restart = nspire_restart, 77 MACHINE_END 78