Commit ecac7036 authored by Sven Schnelle's avatar Sven Schnelle Committed by Helge Deller
Browse files

parisc/firmware: add functions to retrieve TOC data 



Add functions to retrieve TOC data from firmware both
for 1.1 and 2.0 PDC.

Signed-off-by: default avatarSven Schnelle <svens@stackframe.org>
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent d9e20336

arch/parisc/include/asm/pdc.h

+2 −0
Original line number Diff line number Diff line
@@ -51,6 +51,8 @@ int pdc_spaceid_bits(unsigned long *space_bits); 
int pdc_btlb_info(struct pdc_btlb_info *btlb);

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);

int pdc_pim_toc20(struct pdc_toc_pim_20 *ret);

int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);



int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count);

arch/parisc/kernel/firmware.c

+32 −0
Original line number Diff line number Diff line
@@ -1061,6 +1061,38 @@ int pdc_mem_pdt_read_entries(struct pdc_mem_read_pdt *pret, 
	return retval;

}



/**

 * pdc_pim_toc11 - Fetch TOC PIM 1.1 data from firmware.

 * @ret: pointer to return buffer

 */

int pdc_pim_toc11(struct pdc_toc_pim_11 *ret)

{

	int retval;

	unsigned long flags;



	spin_lock_irqsave(&pdc_lock, flags);

	retval = mem_pdc_call(PDC_PIM, PDC_PIM_TOC, __pa(pdc_result),

			      __pa(ret), sizeof(*ret));

	spin_unlock_irqrestore(&pdc_lock, flags);

	return retval;

}



/**

 * pdc_pim_toc20 - Fetch TOC PIM 2.0 data from firmware.

 * @ret: pointer to return buffer

 */

int pdc_pim_toc20(struct pdc_toc_pim_20 *ret)

{

	int retval;

	unsigned long flags;



	spin_lock_irqsave(&pdc_lock, flags);

	retval = mem_pdc_call(PDC_PIM, PDC_PIM_TOC, __pa(pdc_result),

			      __pa(ret), sizeof(*ret));

	spin_unlock_irqrestore(&pdc_lock, flags);

	return retval;

}



/**

 * pdc_tod_set - Set the Time-Of-Day clock.

 * @sec: The number of seconds since epoch.