2 * Broadcom specific AMBA
5 * Licensed under the GNU/GPL. See COPYING for details.
8 #include "bcma_private.h"
9 #include <linux/bcma/bcma.h>
11 bool bcma_core_is_enabled(struct bcma_device *core)
13 if ((bcma_aread32(core, BCMA_IOCTL) & (BCMA_IOCTL_CLK | BCMA_IOCTL_FGC))
16 if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
20 EXPORT_SYMBOL_GPL(bcma_core_is_enabled);
22 static void bcma_core_disable(struct bcma_device *core, u32 flags)
24 if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
27 bcma_awrite32(core, BCMA_IOCTL, flags);
28 bcma_aread32(core, BCMA_IOCTL);
31 bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
35 int bcma_core_enable(struct bcma_device *core, u32 flags)
37 bcma_core_disable(core, flags);
39 bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | BCMA_IOCTL_FGC | flags));
40 bcma_aread32(core, BCMA_IOCTL);
42 bcma_awrite32(core, BCMA_RESET_CTL, 0);
45 bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | flags));
46 bcma_aread32(core, BCMA_IOCTL);
51 EXPORT_SYMBOL_GPL(bcma_core_enable);