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authorIra W. Snyder <iws@ovro.caltech.edu>2011-11-21 13:20:33 -0800
committerKumar Gala <galak@kernel.crashing.org>2011-11-29 08:48:06 -0600
commit2f3a71f235f442beb9419cee94ef6888b24f8259 (patch)
tree0a43009a05800b2e3f72844e85bf00d38518662a
parentae6b03fefc1a8b27d834ef12e0a586f4237fdb1f (diff)
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mpc8xxx: update module_type values from JEDEC DDR3 SPD Specification
Newer JEDEC DDR3 SPD Specifications define several additional values for the DDR3 module_type field which were undefined when this code was written. Update the code to handle the newer module types. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Cc: York Sun <yorksun@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c7
-rw-r--r--include/ddr_spd.h7
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
index ffb503a..d0a5466 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
@@ -135,6 +135,7 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd,
switch (spd->module_type & DDR3_SPD_MODULETYPE_MASK) {
case DDR3_SPD_MODULETYPE_RDIMM:
case DDR3_SPD_MODULETYPE_MINI_RDIMM:
+ case DDR3_SPD_MODULETYPE_72B_SO_RDIMM:
/* Registered/buffered DIMMs */
pdimm->registered_dimm = 1;
for (i = 0; i < 16; i += 2) {
@@ -148,6 +149,12 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd,
case DDR3_SPD_MODULETYPE_SO_DIMM:
case DDR3_SPD_MODULETYPE_MICRO_DIMM:
case DDR3_SPD_MODULETYPE_MINI_UDIMM:
+ case DDR3_SPD_MODULETYPE_MINI_CDIMM:
+ case DDR3_SPD_MODULETYPE_72B_SO_UDIMM:
+ case DDR3_SPD_MODULETYPE_72B_SO_CDIMM:
+ case DDR3_SPD_MODULETYPE_LRDIMM:
+ case DDR3_SPD_MODULETYPE_16B_SO_DIMM:
+ case DDR3_SPD_MODULETYPE_32B_SO_DIMM:
/* Unbuffered DIMMs */
if (spd->mod_section.unbuffered.addr_mapping & 0x1)
pdimm->mirrored_dimm = 1;
diff --git a/include/ddr_spd.h b/include/ddr_spd.h
index 40a0463..a9230b9 100644
--- a/include/ddr_spd.h
+++ b/include/ddr_spd.h
@@ -325,5 +325,12 @@ extern unsigned int ddr3_spd_check(const ddr3_spd_eeprom_t *spd);
#define DDR3_SPD_MODULETYPE_MICRO_DIMM (0x04)
#define DDR3_SPD_MODULETYPE_MINI_RDIMM (0x05)
#define DDR3_SPD_MODULETYPE_MINI_UDIMM (0x06)
+#define DDR3_SPD_MODULETYPE_MINI_CDIMM (0x07)
+#define DDR3_SPD_MODULETYPE_72B_SO_UDIMM (0x08)
+#define DDR3_SPD_MODULETYPE_72B_SO_RDIMM (0x09)
+#define DDR3_SPD_MODULETYPE_72B_SO_CDIMM (0x0A)
+#define DDR3_SPD_MODULETYPE_LRDIMM (0x0B)
+#define DDR3_SPD_MODULETYPE_16B_SO_DIMM (0x0C)
+#define DDR3_SPD_MODULETYPE_32B_SO_DIMM (0x0D)
#endif /* _DDR_SPD_H_ */