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sb_edac: rework sad_pkg 

This is in preparation for Ivy Bridge support

Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Aristeu Rozanski 2013-10-30 13:27:02 -03:00 committed by Mauro Carvalho Chehab
parent ef1ce51e7b
commit cc311991a7
1 changed files with 29 additions and 35 deletions
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64
drivers/edac/sb_edac.c
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@ -112,37 +112,27 @@ static const u32 sbridge_interleave_list[] = {
0xac, 0xb4, 0xbc, 0xc4, 0xcc,
};
#define SAD_PKG0(reg) GET_BITFIELD(reg, 0, 2)
#define SAD_PKG1(reg) GET_BITFIELD(reg, 3, 5)
#define SAD_PKG2(reg) GET_BITFIELD(reg, 8, 10)
#define SAD_PKG3(reg) GET_BITFIELD(reg, 11, 13)
#define SAD_PKG4(reg) GET_BITFIELD(reg, 16, 18)
#define SAD_PKG5(reg) GET_BITFIELD(reg, 19, 21)
#define SAD_PKG6(reg) GET_BITFIELD(reg, 24, 26)
#define SAD_PKG7(reg) GET_BITFIELD(reg, 27, 29)
struct interleave_pkg {
unsigned char start;
unsigned char end;
};
static inline int sad_pkg(u32 reg, int interleave)
static const struct interleave_pkg sbridge_interleave_pkg[] = {
{ 0, 2 },
{ 3, 5 },
{ 8, 10 },
{ 11, 13 },
{ 16, 18 },
{ 19, 21 },
{ 24, 26 },
{ 27, 29 },
};
static inline int sad_pkg(const struct interleave_pkg *table, u32 reg,
int interleave)
{
switch (interleave) {
case 0:
return SAD_PKG0(reg);
case 1:
return SAD_PKG1(reg);
case 2:
return SAD_PKG2(reg);
case 3:
return SAD_PKG3(reg);
case 4:
return SAD_PKG4(reg);
case 5:
return SAD_PKG5(reg);
case 6:
return SAD_PKG6(reg);
case 7:
return SAD_PKG7(reg);
default:
return -EINVAL;
}
return GET_BITFIELD(reg, table[interleave].start,
table[interleave].end);
}
/* Devices 12 Function 7 */
@ -279,6 +269,7 @@ struct sbridge_info {
u64 (*get_tohm)(struct sbridge_pvt *pvt);
const u32 *dram_rule;
const u32 *interleave_list;
const struct interleave_pkg *interleave_pkg;
u8 max_sad;
u8 max_interleave;
};
@ -700,13 +691,14 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
pci_read_config_dword(pvt->pci_sad0, pvt->info.interleave_list[n_sads],
&reg);
sad_interl = sad_pkg(reg, 0);
sad_interl = sad_pkg(pvt->info.interleave_pkg, reg, 0);
for (j = 0; j < 8; j++) {
if (j > 0 && sad_interl == sad_pkg(reg, j))
u32 pkg = sad_pkg(pvt->info.interleave_pkg, reg, j);
if (j > 0 && sad_interl == pkg)
break;
edac_dbg(0, "SAD#%d, interleave #%d: %d\n",
n_sads, j, sad_pkg(reg, j));
n_sads, j, pkg);
}
}
@ -874,11 +866,12 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
pci_read_config_dword(pvt->pci_sad0, pvt->info.interleave_list[n_sads],
&reg);
sad_interl = sad_pkg(reg, 0);
sad_interl = sad_pkg(pvt->info.interleave_pkg, reg, 0);
for (sad_way = 0; sad_way < 8; sad_way++) {
if (sad_way > 0 && sad_interl == sad_pkg(reg, sad_way))
u32 pkg = sad_pkg(pvt->info.interleave_pkg, reg, sad_way);
if (sad_way > 0 && sad_interl == pkg)
break;
sad_interleave[sad_way] = sad_pkg(reg, sad_way);
sad_interleave[sad_way] = pkg;
edac_dbg(0, "SAD interleave #%d: %d\n",
sad_way, sad_interleave[sad_way]);
}
@ -1684,6 +1677,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev)
pvt->info.max_sad = ARRAY_SIZE(sbridge_dram_rule);
pvt->info.interleave_list = sbridge_interleave_list;
pvt->info.max_interleave = ARRAY_SIZE(sbridge_interleave_list);
pvt->info.interleave_pkg = sbridge_interleave_pkg;
/* Set the function pointer to an actual operation function */
mci->edac_check = sbridge_check_error;