Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bb81a216 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

i7300_edac: Detect if the device is on single mode 



Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent d7de2bdb

drivers/edac/i7300_edac.c

+17 −8
Original line number Diff line number Diff line
@@ -92,12 +92,13 @@ 


	/* 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 MC_SETTINGS_A		0x58

  #define IS_SINGLE_MODE(mca)		((mca) & (1 << 14))



#define TOLM			0x6C

#define REDMEMB			0x7C
@@ -237,9 +238,11 @@ struct i7300_pvt { 


	u16 tolm;				/* top of low memory */

	u64 ambase;				/* AMB BAR */

	u32 mc_settings;



	u16 mir[MAX_MIR];

	u32 mc_settings;			/* Report several settings */

	u32 mc_settings_a;



	u16 mir[MAX_MIR];			/* Memory Interleave Reg*/



	u16 mtr[MAX_SLOTS][MAX_BRANCHES];		/* Memory Technlogy Reg */

	u16 ambpresent[MAX_CHANNELS];		/* AMB present regs */
@@ -653,9 +656,15 @@ 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);

	pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map, MC_SETTINGS_A,

			     &pvt->mc_settings_a);



	if (IS_SINGLE_MODE(pvt->mc_settings_a))

		debugf0("Memory controller operating on single mode\n");

	else

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

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



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

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

	debugf0("Retry is %s\n",