diff options
Diffstat (limited to 'util/spd_tools/src')
| -rw-r--r-- | util/spd_tools/src/spd_gen/lp5.go | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/util/spd_tools/src/spd_gen/lp5.go b/util/spd_tools/src/spd_gen/lp5.go index 0b3a5adae1..64fb53fbe2 100644 --- a/util/spd_tools/src/spd_gen/lp5.go +++ b/util/spd_tools/src/spd_gen/lp5.go @@ -70,6 +70,7 @@ type LP5Set struct { otherOptionalFeatures byte busWidthEncoding byte speedToTCKMinPs map[int]int + maxSpeedMbps int } /* ------------------------------------------------------------------------------------------ */ @@ -194,7 +195,7 @@ var LP5SetInfo = map[int]LP5Set{ * 2:0 (Bus width) = 001 (x16 always) * Set to 0x01. */ - busWidthEncoding: 0x01, + busWidthEncoding: 0x01, /* * TCKMinPs: * LPDDR5 has two clocks: the command/address clock (CK) and the data clock (WCK). They are @@ -208,7 +209,7 @@ var LP5SetInfo = map[int]LP5Set{ 7500 : 1066, /* 1 / (7500 / 2 / 4) */ 6400 : 1250, /* 1 / (6400 / 2 / 4) */ 5500 : 1455, /* 1 / (5500 / 2 / 4) */ - }, + }, }, 1: { SPDRevision: LP5SPDValueRevision1_1, @@ -219,13 +220,13 @@ var LP5SetInfo = map[int]LP5Set{ * 3:0 (Maximum Activate Count) = 1000 (Unlimited MAC) * Set to 0x18. */ - optionalFeatures: 0x18, + optionalFeatures: 0x18, /* * For Sabrina (as per advisory b/211510456): * 7:6 (PPR) = 1 (Post Package Repair is supported) * Set to 0x40. */ - otherOptionalFeatures: 0x40, + otherOptionalFeatures: 0x40, /* * For Sabrina (as per advisory b/211510456): * 7:5 (Number of system channels) = 000 (1 channel always) @@ -233,7 +234,9 @@ var LP5SetInfo = map[int]LP5Set{ * 2:0 (Bus width) = 010 (x32 always) * Set to 0x02. */ - busWidthEncoding: 0x02, + busWidthEncoding: 0x02, + /* Sabrina supports max speed of 5500 MT/s */ + maxSpeedMbps: 5500, }, } @@ -637,6 +640,14 @@ func LP5EncodeTRFCPBMinLsb(memAttribs *LP5MemAttributes) byte { return byte(convNsToMtb(memAttribs.TRFCPBNs) & 0xff) } +func LP5UpdateSpeedMbps(memAttribs *LP5MemAttributes) { + f, ok := LP5SetInfo[LP5CurrSet] + + if ok && f.maxSpeedMbps != 0 && memAttribs.SpeedMbps > f.maxSpeedMbps { + memAttribs.SpeedMbps = f.maxSpeedMbps + } +} + func LP5UpdateTCKMin(memAttribs *LP5MemAttributes) { if memAttribs.TCKMinPs == 0 { memAttribs.TCKMinPs = LP5GetTCKMinPs(memAttribs) @@ -684,6 +695,7 @@ func LP5UpdateTRPPB(memAttribs *LP5MemAttributes) { } func lp5UpdateMemoryAttributes(memAttribs *LP5MemAttributes) { + LP5UpdateSpeedMbps(memAttribs) LP5UpdateTCKMin(memAttribs) LP5UpdateTAAMin(memAttribs) LP5UpdateTRFCAB(memAttribs) |