Commit 510610f9 authored by Helge Deller's avatar Helge Deller
Browse files

parisc: BTLB: Add BTLB insert and purge firmware function wrappers 



Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent eda20521

arch/parisc/include/asm/pdc.h

+3 −0
Original line number Diff line number Diff line
@@ -46,6 +46,9 @@ int pdc_cache_info(struct pdc_cache_info *cache); 
int pdc_spaceid_bits(unsigned long *space_bits);

#ifndef CONFIG_PA20

int pdc_btlb_info(struct pdc_btlb_info *btlb);

int pdc_btlb_insert(unsigned long long vpage, unsigned long physpage, unsigned long len,

                    unsigned long entry_info, unsigned long slot);

int pdc_btlb_purge_all(void);

int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);

#endif /* !CONFIG_PA20 */

int pdc_pim_toc11(struct pdc_toc_pim_11 *ret);

arch/parisc/kernel/firmware.c

+33 −9
Original line number Diff line number Diff line
@@ -710,6 +710,30 @@ int pdc_btlb_info(struct pdc_btlb_info *btlb) 
	return retval;

}



int pdc_btlb_insert(unsigned long long vpage, unsigned long physpage, unsigned long len,

		    unsigned long entry_info, unsigned long slot)

{

	int retval;

	unsigned long flags;



	spin_lock_irqsave(&pdc_lock, flags);

	retval = mem_pdc_call(PDC_BLOCK_TLB, PDC_BTLB_INSERT, (unsigned long) (vpage >> 32),

			      (unsigned long) vpage, physpage, len, entry_info, slot);

	spin_unlock_irqrestore(&pdc_lock, flags);

	return retval;

}



int pdc_btlb_purge_all(void)

{

	int retval;

	unsigned long flags;



	spin_lock_irqsave(&pdc_lock, flags);

	retval = mem_pdc_call(PDC_BLOCK_TLB, PDC_BTLB_PURGE_ALL);

	spin_unlock_irqrestore(&pdc_lock, flags);

	return retval;

}



/**

 * pdc_mem_map_hpa - Find fixed module information.  

 * @address: The return buffer