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Commit d7de2bdb authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

i7300_edac: Adds detection for enhanced scrub mode on x8 



While here, do some cleanup by adding some macros to check
for device features.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 86002324

drivers/edac/i7300_edac.c

+17 −4
Original line number Diff line number Diff line
@@ -93,6 +93,12 @@ 
	/* OFFSETS for Function 1 */

#define MC_SETTINGS		0x40



#define IS_MIRRORED(mc)			((mc) & (1 << 16))

#define IS_ECC_ENABLED(mc)		((mc) & (1 << 5))

#define IS_RETRY_ENABLED(mc)		((mc) & (1 << 31))

#define IS_SCRBALGO_ENHANCED(mc)	((mc) & (1 << 8))





#define TOLM			0x6C

#define REDMEMB			0x7C
@@ -451,9 +457,13 @@ static int decode_mtr(struct i7300_pvt *pvt, 
	p_csrow->edac_mode = EDAC_S8ECD8ED;



	/* ask what device type on this row */

	if (MTR_DRAM_WIDTH(mtr))

	if (MTR_DRAM_WIDTH(mtr)) {

		debugf0("Scrub algorithm for x8 is on %s mode\n",

			IS_SCRBALGO_ENHANCED(pvt->mc_settings) ?

					    "enhanced" : "normal");



		p_csrow->dtype = DEV_X8;

	else

	} else

		p_csrow->dtype = DEV_X4;



	return mtr;
@@ -643,10 +653,13 @@ static int i7300_get_mc_regs(struct mem_ctl_info *mci) 
	/* Get memory controller settings */

	pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map, MC_SETTINGS,

			     &pvt->mc_settings);



	debugf0("Memory controller operating on %s mode\n",

		pvt->mc_settings & (1 << 16)? "mirrored" : "non-mirrored");

		IS_MIRRORED(pvt->mc_settings) ? "mirrored" : "non-mirrored");

	debugf0("Error detection is %s\n",

		pvt->mc_settings & (1 << 5)? "enabled" : "disabled");

		IS_ECC_ENABLED(pvt->mc_settings) ? "enabled" : "disabled");

	debugf0("Retry is %s\n",

		IS_RETRY_ENABLED(pvt->mc_settings) ? "enabled" : "disabled");



	/* Get Memory Interleave Range registers */

	pci_read_config_word(pvt->pci_dev_16_1_fsb_addr_map, MIR0, &pvt->mir[0]);