4 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/types.h>
15 #include <linux/mutex.h>
17 #include <asm/mach-ar71xx/ar71xx.h>
19 static DEFINE_MUTEX(ar71xx_flash_mutex
);
21 void __iomem
*ar71xx_ddr_base
;
22 EXPORT_SYMBOL_GPL(ar71xx_ddr_base
);
24 void __iomem
*ar71xx_pll_base
;
25 EXPORT_SYMBOL_GPL(ar71xx_pll_base
);
27 void __iomem
*ar71xx_reset_base
;
28 EXPORT_SYMBOL_GPL(ar71xx_reset_base
);
30 void __iomem
*ar71xx_gpio_base
;
31 EXPORT_SYMBOL_GPL(ar71xx_gpio_base
);
33 void __iomem
*ar71xx_usb_ctrl_base
;
34 EXPORT_SYMBOL_GPL(ar71xx_usb_ctrl_base
);
36 void ar71xx_device_stop(u32 mask
)
42 case AR71XX_SOC_AR7130
:
43 case AR71XX_SOC_AR7141
:
44 case AR71XX_SOC_AR7161
:
45 local_irq_save(flags
);
46 t
= ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE
);
47 ar71xx_reset_wr(AR71XX_RESET_REG_RESET_MODULE
, t
| mask
);
48 local_irq_restore(flags
);
51 case AR71XX_SOC_AR9130
:
52 case AR71XX_SOC_AR9132
:
53 local_irq_save(flags
);
54 t
= ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE
);
55 ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE
, t
| mask
);
56 local_irq_restore(flags
);
63 EXPORT_SYMBOL_GPL(ar71xx_device_stop
);
65 void ar71xx_device_start(u32 mask
)
71 case AR71XX_SOC_AR7130
:
72 case AR71XX_SOC_AR7141
:
73 case AR71XX_SOC_AR7161
:
74 local_irq_save(flags
);
75 t
= ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE
);
76 ar71xx_reset_wr(AR71XX_RESET_REG_RESET_MODULE
, t
& ~mask
);
77 local_irq_restore(flags
);
80 case AR71XX_SOC_AR9130
:
81 case AR71XX_SOC_AR9132
:
82 local_irq_save(flags
);
83 t
= ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE
);
84 ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE
, t
& ~mask
);
85 local_irq_restore(flags
);
92 EXPORT_SYMBOL_GPL(ar71xx_device_start
);
94 void ar71xx_ddr_flush(u32 reg
)
96 ar71xx_ddr_wr(reg
, 1);
97 while ((ar71xx_ddr_rr(reg
) & 0x1));
99 ar71xx_ddr_wr(reg
, 1);
100 while ((ar71xx_ddr_rr(reg
) & 0x1));
102 EXPORT_SYMBOL_GPL(ar71xx_ddr_flush
);
104 void ar71xx_flash_acquire(void)
106 mutex_lock(&ar71xx_flash_mutex
);
108 EXPORT_SYMBOL_GPL(ar71xx_flash_acquire
);
110 void ar71xx_flash_release(void)
112 mutex_unlock(&ar71xx_flash_mutex
);
114 EXPORT_SYMBOL_GPL(ar71xx_flash_release
);