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authorAlex1 Kao <alex1_kao@pegatron.corp-partner.google.com>2021-07-15 11:39:01 +0800
committerWerner Zeh <werner.zeh@siemens.com>2021-07-26 05:24:08 +0000
commit9b6a3a0370ef310c36d5457e8cb0bb752a8418e8 (patch)
treec6a2ace81227b591216dd107ff89281edfb77c55 /src
parenta1509d45451d4f7eb42a2407dd22f82fd19a4312 (diff)
mb/google/dedede/var/pirika: Add USB2 PHY parameters
This change adds fine-tuned USB2 PHY parameters for pirika. BUG=192601233 TEST=Built and verified USB2 eye diagram test result Signed-off-by: Alex1 Kao <alex1_kao@pegatron.corp-partner.google.com> Change-Id: Icf9fb41cd0ae40728e4ec5bd72a15ec3c45c963b Reviewed-on: https://review.coreboot.org/c/coreboot/+/56327 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kirk Wang <kirk_wang@pegatron.corp-partner.google.com> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/dedede/variants/pirika/overridetree.cb12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/pirika/overridetree.cb b/src/mainboard/google/dedede/variants/pirika/overridetree.cb
index b7fef8b6e3..df3fead3d9 100644
--- a/src/mainboard/google/dedede/variants/pirika/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/pirika/overridetree.cb
@@ -37,7 +37,19 @@ chip soc/intel/jasperlake
}"
# USB Port Configuration
+ register "usb2_ports[2]" = "{
+ .enable = 1,
+ .ocpin = OC_SKIP,
+ .pre_emp_bias = USB2_BIAS_28P15MV,
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP,
+ }" # Type-A
register "usb2_ports[5]" = "USB2_PORT_MID(OC_SKIP)" # Camera
+ register "usb2_ports[7]" = "{
+ .enable = 1,
+ .ocpin = OC_SKIP,
+ .pre_emp_bias = USB2_BIAS_11P25MV,
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP,
+ }" # Integrated Bluetooth
register "tcc_offset" = "8" # TCC of 97C