2006-09-21 14:18:53 -04:00
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#ifndef _PPC_KERNEL_CPM2_H
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#define _PPC_KERNEL_CPM2_H
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POWERPC: Get rid of remapping the whole immr
The stuff below cleans up the code attempting to remap the whole cpm2_immr
early, as well as places happily assuming that fact. This is more like the 2.4
legacy stuff, and is at least confusing and unclear now.
To keep the world comfortable, a new mechanism is introduced: before accessing
specific immr register/register set, one needs to map it, using cpm2_map(<reg>),
for instance, access to CPM command register will look like
volatile cpm_cpm2_t *cp = cpm2_map(im_cpm);
keeping the code clear, yet without "already defined somewhere" cpm2_immr.
So far, unmapping code is not implemented, but it's not a big deal to add it,
if the whole idea makes sense.
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
2006-09-21 14:37:58 -04:00
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extern intctl_cpm2_t *cpm2_intctl;
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2006-10-07 08:08:26 -04:00
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extern unsigned int cpm2_get_irq(void);
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2006-09-21 14:18:53 -04:00
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extern void cpm2_pic_init(struct device_node*);
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#endif /* _PPC_KERNEL_CPM2_H */
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