| Alexey Charkov | 21f47fb | 2010-12-23 13:11:21 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-vt8500/bv07.c |
| 3 | * |
| 4 | * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> |
| 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 as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <linux/io.h> |
| 22 | #include <linux/pm.h> |
| 23 | |
| 24 | #include <asm/mach-types.h> |
| 25 | #include <asm/mach/arch.h> |
| 26 | |
| 27 | #include "devices.h" |
| 28 | |
| 29 | static void __iomem *pmc_hiber; |
| 30 | |
| 31 | static struct platform_device *devices[] __initdata = { |
| 32 | &vt8500_device_uart0, |
| 33 | &vt8500_device_lcdc, |
| 34 | &vt8500_device_ehci, |
| 35 | &vt8500_device_ge_rops, |
| 36 | &vt8500_device_pwm, |
| 37 | &vt8500_device_pwmbl, |
| 38 | &vt8500_device_rtc, |
| 39 | }; |
| 40 | |
| 41 | static void vt8500_power_off(void) |
| 42 | { |
| 43 | local_irq_disable(); |
| 44 | writew(5, pmc_hiber); |
| 45 | asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0)); |
| 46 | } |
| 47 | |
| 48 | void __init bv07_init(void) |
| 49 | { |
| 50 | #ifdef CONFIG_FB_VT8500 |
| 51 | void __iomem *gpio_mux_reg = ioremap(wmt_gpio_base + 0x200, 4); |
| 52 | if (gpio_mux_reg) { |
| 53 | writel(readl(gpio_mux_reg) | 1, gpio_mux_reg); |
| 54 | iounmap(gpio_mux_reg); |
| 55 | } else { |
| 56 | printk(KERN_ERR "Could not remap the GPIO mux register, display may not work properly!\n"); |
| 57 | } |
| 58 | #endif |
| 59 | pmc_hiber = ioremap(wmt_pmc_base + 0x12, 2); |
| 60 | if (pmc_hiber) |
| 61 | pm_power_off = &vt8500_power_off; |
| 62 | else |
| 63 | printk(KERN_ERR "PMC Hibernation register could not be remapped, not enabling power off!\n"); |
| 64 | |
| 65 | vt8500_set_resources(); |
| 66 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 67 | vt8500_gpio_init(); |
| 68 | } |
| 69 | |
| 70 | MACHINE_START(BV07, "Benign BV07 Mini Netbook") |
| 71 | .boot_params = 0x00000100, |
| 72 | .reserve = vt8500_reserve_mem, |
| 73 | .map_io = vt8500_map_io, |
| 74 | .init_irq = vt8500_init_irq, |
| 75 | .timer = &vt8500_timer, |
| 76 | .init_machine = bv07_init, |
| 77 | MACHINE_END |