Rob Barnes has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45934 )
Change subject: mb/google/zork/dirinboz: Increase eMMC initial clock frequency
......................................................................
mb/google/zork/dirinboz: Increase eMMC initial clock frequency
This will reduce boot time by 7ms. Some of the initial designs
don't have a pull-up resistor on the CMD line. These designs still boot
at 400 kHz despite not having the pull-up.
BUG=b:158766134
TEST=WIP
Signed-off-by: Rob Barnes <robbarnes(a)google.com>
Change-Id: I6bac8284b67070ff2c5838257f4ae2ead0e69c22
---
M src/mainboard/google/zork/variants/dirinboz/overridetree.cb
1 file changed, 6 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/34/45934/1
diff --git a/src/mainboard/google/zork/variants/dirinboz/overridetree.cb b/src/mainboard/google/zork/variants/dirinboz/overridetree.cb
index 905bc88..a11fa5e 100644
--- a/src/mainboard/google/zork/variants/dirinboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/dirinboz/overridetree.cb
@@ -36,6 +36,12 @@
.early_init = true,
}"
+ register "emmc_config" = "{
+ .timing = SD_EMMC_EMMC_HS400,
+ .sdr104_hs400_driver_strength = SD_EMMC_DRIVE_STRENGTH_A,
+ .init_khz_preset = 400,
+ }"
+
# See AMD 55570-B1 Table 13: PCI Device ID Assignments.
device domain 0 on
subsystemid 0x1022 0x1510 inherit
--
To view, visit https://review.coreboot.org/c/coreboot/+/45934
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: I6bac8284b67070ff2c5838257f4ae2ead0e69c22
Gerrit-Change-Number: 45934
Gerrit-PatchSet: 1
Gerrit-Owner: Rob Barnes <robbarnes(a)google.com>
Gerrit-MessageType: newchange
Rob Barnes has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45936 )
Change subject: mb/google/zork/woomax: Increase eMMC initial clock frequency
......................................................................
mb/google/zork/woomax: Increase eMMC initial clock frequency
This will reduce boot time by 7ms. Some of the initial designs
don't have a pull-up resistor on the CMD line. These designs still boot
at 400 kHz despite not having the pull-up.
BUG=b:158766134
TEST=WIP
Signed-off-by: Rob Barnes <robbarnes(a)google.com>
Change-Id: I2fcbe35103020c3444902c077b4985f87f970671
---
M src/mainboard/google/zork/variants/woomax/overridetree.cb
1 file changed, 6 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/36/45936/1
diff --git a/src/mainboard/google/zork/variants/woomax/overridetree.cb b/src/mainboard/google/zork/variants/woomax/overridetree.cb
index 8d94a97..19d66fc 100644
--- a/src/mainboard/google/zork/variants/woomax/overridetree.cb
+++ b/src/mainboard/google/zork/variants/woomax/overridetree.cb
@@ -65,6 +65,12 @@
.early_init = true,
}"
+ register "emmc_config" = "{
+ .timing = SD_EMMC_EMMC_HS400,
+ .sdr104_hs400_driver_strength = SD_EMMC_DRIVE_STRENGTH_A,
+ .init_khz_preset = 400,
+ }"
+
# See AMD 55570-B1 Table 13: PCI Device ID Assignments.
device domain 0 on
subsystemid 0x1022 0x1510 inherit
--
To view, visit https://review.coreboot.org/c/coreboot/+/45936
To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings
Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: I2fcbe35103020c3444902c077b4985f87f970671
Gerrit-Change-Number: 45936
Gerrit-PatchSet: 1
Gerrit-Owner: Rob Barnes <robbarnes(a)google.com>
Gerrit-MessageType: newchange
Rob Barnes has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45933 )
Change subject: mb/google/zork/vilboz: Increase eMMC initial clock frequency
......................................................................
mb/google/zork/vilboz: Increase eMMC initial clock frequency
This will reduce boot time by 7ms. Some of the initial designs
don't have a pull-up resistor on the CMD line. These designs still boot
at 400 kHz despite not having the pull-up.
BUG=b:158766134
TEST=WIP
Signed-off-by: Rob Barnes <robbarnes(a)google.com>
Change-Id: I9a1e47dbee3fcc7317857d40c5418be30d755d61
---
M src/mainboard/google/zork/variants/vilboz/overridetree.cb
1 file changed, 6 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/33/45933/1
diff --git a/src/mainboard/google/zork/variants/vilboz/overridetree.cb b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
index 3d9ff7c..b75beaf 100644
--- a/src/mainboard/google/zork/variants/vilboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
@@ -41,6 +41,12 @@
.early_init = true,
}"
+ register "emmc_config" = "{
+ .timing = SD_EMMC_EMMC_HS400,
+ .sdr104_hs400_driver_strength = SD_EMMC_DRIVE_STRENGTH_A,
+ .init_khz_preset = 400,
+ }"
+
# See AMD 55570-B1 Table 13: PCI Device ID Assignments.
device domain 0 on
subsystemid 0x1022 0x1510 inherit
--
To view, visit https://review.coreboot.org/c/coreboot/+/45933
To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings
Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: I9a1e47dbee3fcc7317857d40c5418be30d755d61
Gerrit-Change-Number: 45933
Gerrit-PatchSet: 1
Gerrit-Owner: Rob Barnes <robbarnes(a)google.com>
Gerrit-MessageType: newchange