| Daniel Tang | 9851ca5 | 2013-06-11 18:40:17 +1000 | [diff] [blame^] | 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/clk-provider.h> |
| 18 | #include <linux/clkdev.h> |
| 19 | #include <linux/amba/bus.h> |
| 20 | #include <linux/amba/clcd.h> |
| 21 | #include <linux/clocksource.h> |
| 22 | |
| 23 | #include <asm/mach/arch.h> |
| 24 | #include <asm/mach-types.h> |
| 25 | #include <asm/mach/map.h> |
| 26 | |
| 27 | #include <asm/hardware/timer-sp.h> |
| 28 | |
| 29 | #include "mmio.h" |
| 30 | #include "clcd.h" |
| 31 | |
| 32 | static const char *nspire_dt_match[] __initconst = { |
| 33 | "ti,nspire", |
| 34 | "ti,nspire-cx", |
| 35 | "ti,nspire-tp", |
| 36 | "ti,nspire-clp", |
| 37 | NULL, |
| 38 | }; |
| 39 | |
| 40 | static void __init nspire_map_io(void) |
| 41 | { |
| 42 | debug_ll_io_init(); |
| 43 | } |
| 44 | |
| 45 | static struct clcd_board nspire_clcd_data = { |
| 46 | .name = "LCD", |
| 47 | .caps = CLCD_CAP_5551 | CLCD_CAP_565, |
| 48 | .check = clcdfb_check, |
| 49 | .decode = clcdfb_decode, |
| 50 | .setup = nspire_clcd_setup, |
| 51 | .mmap = nspire_clcd_mmap, |
| 52 | .remove = nspire_clcd_remove, |
| 53 | }; |
| 54 | |
| 55 | |
| 56 | static struct of_dev_auxdata nspire_auxdata[] __initdata = { |
| 57 | OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE, |
| 58 | NULL, &nspire_clcd_data), |
| 59 | { } |
| 60 | }; |
| 61 | |
| 62 | static void __init nspire_init(void) |
| 63 | { |
| 64 | of_platform_populate(NULL, of_default_bus_match_table, |
| 65 | nspire_auxdata, NULL); |
| 66 | } |
| 67 | |
| 68 | static void __init nspire_init_time(void) |
| 69 | { |
| 70 | of_clk_init(NULL); |
| 71 | clocksource_of_init(); |
| 72 | } |
| 73 | |
| 74 | static void nspire_restart(char mode, const char *cmd) |
| 75 | { |
| 76 | void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K); |
| 77 | if (!base) |
| 78 | return; |
| 79 | |
| 80 | writel(2, base + NSPIRE_MISC_HWRESET); |
| 81 | } |
| 82 | |
| 83 | DT_MACHINE_START(NSPIRE, "TI-NSPIRE") |
| 84 | .dt_compat = nspire_dt_match, |
| 85 | .map_io = nspire_map_io, |
| 86 | .init_time = nspire_init_time, |
| 87 | .init_machine = nspire_init, |
| 88 | .restart = nspire_restart, |
| 89 | MACHINE_END |