From 19c5cd210d69f73e813feb94ad2294d6d607ccca Mon Sep 17 00:00:00 2001 From: Angel Pons Date: Mon, 10 Aug 2020 14:27:23 +0200 Subject: nb/intel/sandybridge: Add comments to `struct iosav_ssq` MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add the ranges of bitfields as comments on the struct. Change-Id: Ib20a233806bfbdc9a81a77f4ef10f67a3cd2dc0e Signed-off-by: Angel Pons Reviewed-on: https://review.coreboot.org/c/coreboot/+/44338 Tested-by: build bot (Jenkins) Reviewed-by: Arthur Heymans Reviewed-by: Michael Niewöhner --- src/northbridge/intel/sandybridge/raminit_common.h | 36 +++++++++++----------- 1 file changed, 18 insertions(+), 18 deletions(-) (limited to 'src/northbridge/intel/sandybridge') diff --git a/src/northbridge/intel/sandybridge/raminit_common.h b/src/northbridge/intel/sandybridge/raminit_common.h index 3f31950408..32f2b44d4b 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.h +++ b/src/northbridge/intel/sandybridge/raminit_common.h @@ -45,8 +45,8 @@ struct iosav_ssq { /* IOSAV_n_SP_CMD_CTRL */ union { struct { - u32 command : 16; - u32 ranksel_ap : 2; + u32 command : 16; /* [15.. 0] */ + u32 ranksel_ap : 2; /* [17..16] */ u32 : 14; }; u32 raw; @@ -55,13 +55,13 @@ struct iosav_ssq { /* IOSAV_n_SUBSEQ_CTRL */ union { struct { - u32 cmd_executions : 9; + u32 cmd_executions : 9; /* [ 8.. 0] */ u32 : 1; - u32 cmd_delay_gap : 5; + u32 cmd_delay_gap : 5; /* [14..10] */ u32 : 1; - u32 post_ssq_wait : 9; + u32 post_ssq_wait : 9; /* [24..16] */ u32 : 1; - u32 data_direction : 2; + u32 data_direction : 2; /* [27..26] */ u32 : 4; }; u32 raw; @@ -70,12 +70,12 @@ struct iosav_ssq { /* IOSAV_n_SP_CMD_ADDR */ union { struct { - u32 address : 16; - u32 rowbits : 3; + u32 address : 16; /* [15.. 0] */ + u32 rowbits : 3; /* [18..16] */ u32 : 1; - u32 bank : 3; + u32 bank : 3; /* [22..20] */ u32 : 1; - u32 rank : 2; + u32 rank : 2; /* [25..24] */ u32 : 6; }; u32 raw; @@ -84,14 +84,14 @@ struct iosav_ssq { /* IOSAV_n_ADDR_UPDATE */ union { struct { - u32 inc_addr_1 : 1; - u32 inc_addr_8 : 1; - u32 inc_bank : 1; - u32 inc_rank : 2; - u32 addr_wrap : 5; - u32 lfsr_upd : 2; - u32 upd_rate : 4; - u32 lfsr_xors : 2; + u32 inc_addr_1 : 1; /* [ 0.. 0] */ + u32 inc_addr_8 : 1; /* [ 1.. 1] */ + u32 inc_bank : 1; /* [ 2.. 2] */ + u32 inc_rank : 2; /* [ 4.. 3] */ + u32 addr_wrap : 5; /* [ 9.. 5] */ + u32 lfsr_upd : 2; /* [11..10] */ + u32 upd_rate : 4; /* [15..12] */ + u32 lfsr_xors : 2; /* [17..16] */ u32 : 14; }; u32 raw; -- cgit v1.2.3