Felix Held submitted this change.

View Change

Approvals: build bot (Jenkins): Verified Angel Pons: Looks good to me, approved
nb/intel/sandybridge: drop LyCx(r, x, y) macro

LyCx(r, x, y) was a duplicate of the CxLy(r, x, y) with different order
of computation, so that the big refactoring doesn't change the output
binary of a timeless build. Now this workaround can be dropped.

Tested on lenovo/x230: still boots

Change-Id: I251b4dd383f954b27f392190092e06a9a06668e2
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38402
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
---
M src/northbridge/intel/sandybridge/sandybridge.h
1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index d2f76e0..f12feaa 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -131,10 +131,7 @@
#define Gz(r, z) ((r) + ((z) * 0x100))
#define Ly(r, y) ((r) + ((y) * 4))
#define Cx(r, x) ((r) + ((x) * 0x400))
-
-/* FIXME: These two are equivalent, but had to be split for reproducibility reasons. */
#define CxLy(r, x, y) ((r) + ((x) * 0x400) + ((y) * 4))
-#define LyCx(r, x, y) ((r) + ((y) * 4) + ((x) * 0x400))

/* Register definitions */
#define GDCRCLKRANKSUSED_ch(ch) Gz(0x0c00, ch) /* Indicates which rank is populated */
@@ -196,11 +193,11 @@
#define IOSAV_By_BW_SERROR_C_ch(ch, y) CxLy(0x4140, ch, y) /* IOSAV Bytelane Bit-wise error */

/* IOSAV sub-sequence control registers */
-#define IOSAV_n_SP_CMD_ADDR_ch(ch, y) LyCx(0x4200, ch, y) /* Special command address. */
-#define IOSAV_n_ADDR_UPD_ch(ch, y) LyCx(0x4210, ch, y) /* Address update control */
-#define IOSAV_n_SP_CMD_CTL_ch(ch, y) LyCx(0x4220, ch, y) /* Control of command signals */
-#define IOSAV_n_SUBSEQ_CTL_ch(ch, y) LyCx(0x4230, ch, y) /* Sub-sequence controls */
-#define IOSAV_n_ADDRESS_LFSR_ch(ch, y) LyCx(0x4240, ch, y) /* 23-bit LFSR state value */
+#define IOSAV_n_SP_CMD_ADDR_ch(ch, y) CxLy(0x4200, ch, y) /* Special command address. */
+#define IOSAV_n_ADDR_UPD_ch(ch, y) CxLy(0x4210, ch, y) /* Address update control */
+#define IOSAV_n_SP_CMD_CTL_ch(ch, y) CxLy(0x4220, ch, y) /* Control of command signals */
+#define IOSAV_n_SUBSEQ_CTL_ch(ch, y) CxLy(0x4230, ch, y) /* Sub-sequence controls */
+#define IOSAV_n_ADDRESS_LFSR_ch(ch, y) CxLy(0x4240, ch, y) /* 23-bit LFSR state value */

#define PM_THML_STAT_ch(ch) Cx(0x4280, ch) /* Thermal status of each rank */
#define IOSAV_SEQ_CTL_ch(ch) Cx(0x4284, ch) /* IOSAV sequence level control */

To view, visit change 38402. To unsubscribe, or for help writing mail filters, visit settings.

Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: I251b4dd383f954b27f392190092e06a9a06668e2
Gerrit-Change-Number: 38402
Gerrit-PatchSet: 4
Gerrit-Owner: Felix Held <felix-coreboot@felixheld.de>
Gerrit-Reviewer: Angel Pons <th3fanbus@gmail.com>
Gerrit-Reviewer: Felix Held <felix-coreboot@felixheld.de>
Gerrit-Reviewer: Patrick Rudolph <siro@das-labor.org>
Gerrit-Reviewer: build bot (Jenkins) <no-reply@coreboot.org>
Gerrit-CC: Paul Menzel <paulepanter@users.sourceforge.net>
Gerrit-MessageType: merged