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Yazen Ghannam d0b693aa94 EDAC/amd64: Handle three rank interleaving mode 
[ Upstream commit 9f4873fb6a ]

AMD Rome systems and later support interleaving between three identical
ranks within a channel.

Check for this mode by counting the number of enabled chip selects and
comparing their masks. If there are exactly three enabled chip selects
and their masks are identical, then three rank interleaving is enabled.

The size of a rank is determined from its mask value. However, three
rank interleaving doesn't follow the method of swapping an interleave
bit with the most significant bit. Rather, the interleave bit is flipped
and the most significant bit remains the same. There is only a single
interleave bit in this case.

Account for this when determining the chip select size by keeping the
most significant bit at its original value and ignoring any zero bits.
This will return a full bitmask in [MSB:1].

Fixes: e53a3b267f ("EDAC/amd64: Find Chip Select memory size using Address Mask")
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211005154419.2060504-1-yazen.ghannam@amd.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-11-18 19:16:30 +01:00
..
al_mc_edac.c EDAC/al-mc-edac: Add Amazon's Annapurna Labs Memory Controller driver 2020-08-17 10:10:29 +02:00
altera_edac.c Updates to the interrupt core and driver subsystems: 2021-08-30 14:38:37 -07:00
altera_edac.h edac: altera: Move Stratix10 SDRAM ECC to peripheral 2019-07-25 14:28:42 -04:00
amd64_edac.c EDAC/amd64: Handle three rank interleaving mode 2021-11-18 19:16:30 +01:00
amd64_edac.h EDAC/amd64: Merge error injection sysfs facilities 2020-12-28 19:36:25 +01:00
amd76x_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
amd8111_edac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
amd8111_edac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
amd8131_edac.c EDAC/amd8131: Remove defined but not used bridge_str 2020-04-24 09:08:47 +02:00
amd8131_edac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
armada_xp_edac.c EDAC/armada-xp: Fix output of uncorrectable error counter 2021-10-14 11:46:03 +02:00
aspeed_edac.c EDAC/aspeed: Use proper format string for printing resource 2021-05-18 16:33:13 +02:00
bluefield_edac.c EDAC, mellanox: Add ECC support for BlueField DDR4 2019-08-08 12:57:01 -03:00
cell_edac.c
cpc925_edac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
debugfs.c ARM: 8892/1: EDAC: Add missing debugfs_create_x32 wrapper 2019-08-29 07:58:01 +01:00
dmc520_edac.c EDAC/dmc520: Assign the proper type to dimm->edac_mode 2021-09-16 11:00:12 +02:00
e7xxx_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
e752x_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
edac_device.c EDAC/device: Rework error logging API 2019-10-09 13:01:42 +02:00
edac_device.h EDAC: Fix some kernel-doc markups 2020-11-02 20:33:19 +01:00
edac_device_sysfs.c EDAC: Fix reference count leaks 2020-06-17 15:38:35 +02:00
edac_mc.c EDAC/mc: Add new HBM2 memory type 2021-07-20 09:20:49 -07:00
edac_mc.h EDAC/mc: Determine mci pointer from the error descriptor 2020-02-17 13:05:10 +01:00
edac_mc_sysfs.c EDAC/mc_sysfs: Add missing newlines when printing {max,dimm}_location 2020-09-18 09:14:01 +02:00
edac_module.c
edac_module.h EDAC/mc: Change mci device removal to use put_device() 2020-02-17 12:32:44 +01:00
edac_pci.c
edac_pci.h
edac_pci_sysfs.c EDAC: Fix reference count leaks 2020-06-17 15:38:35 +02:00
fsl_ddr_edac.c
fsl_ddr_edac.h
ghes_edac.c edac: ghes: use krealloc_array() 2020-12-15 12:13:37 -08:00
highbank_l2_edac.c
highbank_mc_edac.c
i7core_edac.c * Add Amazon's Annapurna Labs memory controller EDAC driver, by Talel 2020-10-12 10:12:26 -07:00
i10nm_base.c EDAC/i10nm: Retrieve and print retry_rd_err_log registers 2021-08-23 10:35:36 -07:00
i3000_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
i3200_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
i5000_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
i5100_edac.c EDAC/i5100: Fix error handling order in i5100_init_one() 2020-09-01 12:10:19 +02:00
i5400_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
i7300_edac.c EDAC: Replace HTTP links with HTTPS ones 2020-08-17 09:31:19 +02:00
i82443bxgx_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
i82860_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
i82875p_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
i82975x_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
ie31200_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
igen6_edac.c EDAC/igen6: Add Intel Alder Lake SoC support 2021-06-17 18:20:01 -07:00
Kconfig EDAC/igen6: fix core dependency AGAIN 2021-07-15 11:59:59 -07:00
layerscape_edac.c
Makefile EDAC/amd64: Merge error injection sysfs facilities 2020-12-28 19:36:25 +01:00
mce_amd.c EDAC/mce_amd: Do not load edac_mce_amd module on guests 2021-08-09 12:35:43 +02:00
mce_amd.h x86/mce/amd, edac: Remove report_gart_errors 2020-04-14 15:53:46 +02:00
mpc85xx_edac.c
mpc85xx_edac.h
octeon_edac-l2c.c
octeon_edac-lmc.c
octeon_edac-pc.c
octeon_edac-pci.c
pasemi_edac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
pnd2_edac.c EDAC/Intel: Do not load EDAC driver when running as a guest 2021-06-17 18:23:14 -07:00
pnd2_edac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
ppc4xx_edac.c EDAC/ppc4xx: Convert comma to semicolon 2020-12-30 09:09:11 +01:00
ppc4xx_edac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
qcom_edac.c
r82600_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
sb_edac.c EDAC/sb_edac: Fix top-of-high-memory value for Broadwell/Haswell 2021-11-18 19:15:58 +01:00
sifive_edac.c A garden variety of small fixes all over the place. 2020-01-27 09:16:22 -08:00
skx_base.c EDAC/i10nm: Retrieve and print retry_rd_err_log registers 2021-08-23 10:35:36 -07:00
skx_common.c EDAC/i10nm: Retrieve and print retry_rd_err_log registers 2021-08-23 10:35:36 -07:00
skx_common.h EDAC/i10nm: Retrieve and print retry_rd_err_log registers 2021-08-23 10:35:36 -07:00
synopsys_edac.c EDAC/synopsys: Fix wrong value type assignment for edac_mode 2021-09-16 10:21:35 +02:00
thunderx_edac.c EDAC/thunderx: Remove irrelevant variable from error messages 2021-05-10 10:24:43 +02:00
ti_edac.c EDAC/ti: Add missing MODULE_DEVICE_TABLE 2021-05-14 11:54:53 +02:00
wq.c
x38_edac.c EDAC: Do not issue useless debug statements in the polling routine 2020-10-26 12:59:56 +01:00
xgene_edac.c EDAC/xgene: Do not print a failure message to get an IRQ twice 2021-01-19 10:22:23 +01:00