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
vt8500_power_off(void)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
bv07_init(void)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 .atag_offset = 0x100,
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
78