Timothy Pearson (tpearson@raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8263
-gerrit
commit fe2975a70a15b7c9a7872ca0587f80aae681d7f7 Author: Timothy Pearson tpearson@raptorengineeringinc.com Date: Fri Jan 23 20:24:30 2015 -0600
northbridge/amd: Add Kconfig options for ECC scrub rate
Change-Id: Icbbba0037c19bdc279813e51c72f54a10e4dc55a Signed-off-by: Timothy Pearson tpearson@raptorengineeringinc.com --- src/northbridge/amd/Kconfig | 32 ++++++++++++++++++ src/northbridge/amd/amdmct/wrappers/mcti_d.c | 49 +++++++++++++++------------- 2 files changed, 58 insertions(+), 23 deletions(-)
diff --git a/src/northbridge/amd/Kconfig b/src/northbridge/amd/Kconfig index e9b3796..a14067a 100644 --- a/src/northbridge/amd/Kconfig +++ b/src/northbridge/amd/Kconfig @@ -98,4 +98,36 @@ config LIMIT_HT_UP_WIDTH_16 bool "16 bits" endchoice
+config AMDMCT_BACKGROUND_SCRUB_RATE + hex + default 0x00 + help + This option sets the background ECC memory scub rate + + Permissible values are: + + 0x00; Disabled + 0x01; 40ns + 0x02; 80ns + 0x03; 160ns + 0x04; 320ns + 0x05; 640ns + 0x06; 1.28us + 0x07; 2.56us + 0x08; 5.12us + 0x09; 10.2us + 0x0a; 20.5us + 0x0b; 41us + 0x0c; 81.9us + 0x0d; 163.8us + 0x0e; 327.7us + 0x0f; 655.4us + 0x10; 1.31ms + 0x11; 2.62ms + 0x12; 5.24ms + 0x13; 10.49ms + 0x14; 20.97sms + 0x15; 42ms + 0x16; 84ms + endmenu diff --git a/src/northbridge/amd/amdmct/wrappers/mcti_d.c b/src/northbridge/amd/amdmct/wrappers/mcti_d.c index e127322..96cef4e 100644 --- a/src/northbridge/amd/amdmct/wrappers/mcti_d.c +++ b/src/northbridge/amd/amdmct/wrappers/mcti_d.c @@ -171,29 +171,32 @@ static u16 mctGet_NVbits(u8 index) //val = 1; /* Enable */ break; case NV_DramBKScrub: - val = 0x00; /* Disabled */ - //val = 0x01; /* 40ns */ - //val = 0x02; /* 80ns */ - //val = 0x03; /* 160ns */ - //val = 0x04; /* 320ns */ - //val = 0x05; /* 640ns */ - //val = 0x06; /* 1.28us */ - //val = 0x07; /* 2.56us */ - //val = 0x08; /* 5.12us */ - //val = 0x09; /* 10.2us */ - //val = 0x0a; /* 20.5us */ - //val = 0x0b; /* 41us */ - //val = 0x0c; /* 81.9us */ - //val = 0x0d; /* 163.8us */ - //val = 0x0e; /* 327.7us */ - //val = 0x0f; /* 655.4us */ - //val = 0x10; /* 1.31ms */ - //val = 0x11; /* 2.62ms */ - //val = 0x12; /* 5.24ms */ - //val = 0x13; /* 10.49ms */ - //val = 0x14; /* 20.97sms */ - //val = 0x15; /* 42ms */ - //val = 0x16; /* 84ms */ + /* + * 0x00: Disabled + * 0x01: 40ns + * 0x02: 80ns + * 0x03: 160ns + * 0x04: 320ns + * 0x05: 640ns + * 0x06: 1.28us + * 0x07: 2.56us + * 0x08: 5.12us + * 0x09: 10.2us + * 0x0a: 20.5us + * 0x0b: 41us + * 0x0c: 81.9us + * 0x0d: 163.8us + * 0x0e: 327.7us + * 0x0f: 655.4us + * 0x10: 1.31ms + * 0x11: 2.62ms + * 0x12: 5.24ms + * 0x13: 10.49ms + * 0x14: 20.97sms + * 0x15: 42ms + * 0x16: 84ms + */ + val = CONFIG_AMDMCT_BACKGROUND_SCRUB_RATE; break; case NV_L2BKScrub: val = 0; /* Disabled - See L2Scrub in BKDG */