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_AR7240:
52 local_irq_save(flags);
53 t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
54 ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t | mask);
55 local_irq_restore(flags);
58 case AR71XX_SOC_AR9130:
59 case AR71XX_SOC_AR9132:
60 local_irq_save(flags);
61 t = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE);
62 ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE, t | mask);
63 local_irq_restore(flags);
70 EXPORT_SYMBOL_GPL(ar71xx_device_stop);
72 void ar71xx_device_start(u32 mask)
78 case AR71XX_SOC_AR7130:
79 case AR71XX_SOC_AR7141:
80 case AR71XX_SOC_AR7161:
81 local_irq_save(flags);
82 t = ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE);
83 ar71xx_reset_wr(AR71XX_RESET_REG_RESET_MODULE, t & ~mask);
84 local_irq_restore(flags);
87 case AR71XX_SOC_AR7240:
88 local_irq_save(flags);
89 t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
90 ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t & ~mask);
91 local_irq_restore(flags);
94 case AR71XX_SOC_AR9130:
95 case AR71XX_SOC_AR9132:
96 local_irq_save(flags);
97 t = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE);
98 ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE, t & ~mask);
99 local_irq_restore(flags);
106 EXPORT_SYMBOL_GPL(ar71xx_device_start);
108 void ar71xx_ddr_flush(u32 reg)
110 ar71xx_ddr_wr(reg, 1);
111 while ((ar71xx_ddr_rr(reg) & 0x1));
113 ar71xx_ddr_wr(reg, 1);
114 while ((ar71xx_ddr_rr(reg) & 0x1));
116 EXPORT_SYMBOL_GPL(ar71xx_ddr_flush);
118 void ar71xx_flash_acquire(void)
120 mutex_lock(&ar71xx_flash_mutex);
122 EXPORT_SYMBOL_GPL(ar71xx_flash_acquire);
124 void ar71xx_flash_release(void)
126 mutex_unlock(&ar71xx_flash_mutex);
128 EXPORT_SYMBOL_GPL(ar71xx_flash_release);