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bcma: add mips driver

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This adds a mips driver to bcma. This is only found on embedded
devices. For now the driver just initializes the irqs used on this
system.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hauke Mehrtens 2011-07-23 01:20:09 +02:00 • committed by John W. Linville
parent ecd177c216
commit 21e0534ad7
7 changed files with 333 additions and 0 deletions
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49
include/linux/bcma/bcma_driver_mips.h Normal file
View file

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#ifndef LINUX_BCMA_DRIVER_MIPS_H_
#define LINUX_BCMA_DRIVER_MIPS_H_
#define BCMA_MIPS_IPSFLAG 0x0F08
/* which sbflags get routed to mips interrupt 1 */
#define BCMA_MIPS_IPSFLAG_IRQ1 0x0000003F
#define BCMA_MIPS_IPSFLAG_IRQ1_SHIFT 0
/* which sbflags get routed to mips interrupt 2 */
#define BCMA_MIPS_IPSFLAG_IRQ2 0x00003F00
#define BCMA_MIPS_IPSFLAG_IRQ2_SHIFT 8
/* which sbflags get routed to mips interrupt 3 */
#define BCMA_MIPS_IPSFLAG_IRQ3 0x003F0000
#define BCMA_MIPS_IPSFLAG_IRQ3_SHIFT 16
/* which sbflags get routed to mips interrupt 4 */
#define BCMA_MIPS_IPSFLAG_IRQ4 0x3F000000
#define BCMA_MIPS_IPSFLAG_IRQ4_SHIFT 24
/* MIPS 74K core registers */
#define BCMA_MIPS_MIPS74K_CORECTL 0x0000
#define BCMA_MIPS_MIPS74K_EXCEPTBASE 0x0004
#define BCMA_MIPS_MIPS74K_BIST 0x000C
#define BCMA_MIPS_MIPS74K_INTMASK_INT0 0x0014
#define BCMA_MIPS_MIPS74K_INTMASK(int) \
((int) * 4 + BCMA_MIPS_MIPS74K_INTMASK_INT0)
#define BCMA_MIPS_MIPS74K_NMIMASK 0x002C
#define BCMA_MIPS_MIPS74K_GPIOSEL 0x0040
#define BCMA_MIPS_MIPS74K_GPIOOUT 0x0044
#define BCMA_MIPS_MIPS74K_GPIOEN 0x0048
#define BCMA_MIPS_MIPS74K_CLKCTLST 0x01E0
#define BCMA_MIPS_OOBSELOUTA30 0x100
struct bcma_device;
struct bcma_drv_mips {
struct bcma_device *core;
u8 setup_done:1;
unsigned int assigned_irqs;
};
#ifdef CONFIG_BCMA_DRIVER_MIPS
extern void bcma_core_mips_init(struct bcma_drv_mips *mcore);
#else
static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { }
#endif
extern unsigned int bcma_core_mips_irq(struct bcma_device *dev);
#endif /* LINUX_BCMA_DRIVER_MIPS_H_ */