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authorAmanda Huang <amanda_hwang@compal.corp-partner.google.com>2023-02-23 17:21:42 +0800
committerFelix Held <felix-coreboot@felixheld.de>2023-02-27 16:44:31 +0000
commitbd86b0c2f71bf9d04b23519147c49a2f6ec35d6e (patch)
tree3d6438055ac97c310008f49716179b780c0ba150 /src/mainboard/google
parent3267687978b5d2c61a7306701e85d1e801baeeeb (diff)
mb/google/dedede/var/dibbi: Improve USB2 strength
BUG=b:269786649 TEST=build and test USB2 port function works fine BRANCH=dedede Change-Id: I63928a0d8ce6b2365250fd96572f4a2db948c19d Signed-off-by: Amanda Huang <amanda_hwang@compal.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/73204 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Sam McNally <sammc@google.com>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/dedede/variants/dibbi/overridetree.cb44
1 files changed, 40 insertions, 4 deletions
diff --git a/src/mainboard/google/dedede/variants/dibbi/overridetree.cb b/src/mainboard/google/dedede/variants/dibbi/overridetree.cb
index 69307a3946..8e7a993e0d 100644
--- a/src/mainboard/google/dedede/variants/dibbi/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/dibbi/overridetree.cb
@@ -49,10 +49,46 @@ chip soc/intel/jasperlake
register "DdiPortADdc" = "1"
# USB Port Configuration
- register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Port A0
- register "usb2_ports[2]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Port A1
- register "usb2_ports[3]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Port A2
- register "usb2_ports[4]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Port A3
+ register "usb2_ports[0]" = "{
+ .enable = 1,
+ .ocpin = OC_SKIP,
+ .tx_bias = USB2_BIAS_0MV,
+ .tx_emp_enable = USB2_PRE_EMP_ON,
+ .pre_emp_bias = USB2_BIAS_11P25MV,
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP,
+ }" # Type-C Port 0
+ register "usb2_ports[1]" = "{
+ .enable = 1,
+ .ocpin = OC1,
+ .tx_bias = USB2_BIAS_0MV,
+ .tx_emp_enable = USB2_PRE_EMP_ON,
+ .pre_emp_bias = USB2_BIAS_11P25MV,
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP,
+ }" # Type-A Port A0
+ register "usb2_ports[2]" = "{
+ .enable = 1,
+ .ocpin = OC2,
+ .tx_bias = USB2_BIAS_0MV,
+ .tx_emp_enable = USB2_PRE_EMP_ON,
+ .pre_emp_bias = USB2_BIAS_11P25MV,
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP,
+ }" # Type-A Port A1
+ register "usb2_ports[3]" = "{
+ .enable = 1,
+ .ocpin = OC3,
+ .tx_bias = USB2_BIAS_0MV,
+ .tx_emp_enable = USB2_PRE_EMP_ON,
+ .pre_emp_bias = USB2_BIAS_11P25MV,
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP,
+ }" # Type-A Port A2
+ register "usb2_ports[4]" = "{
+ .enable = 1,
+ .ocpin = OC0,
+ .tx_bias = USB2_BIAS_0MV,
+ .tx_emp_enable = USB2_PRE_EMP_ON,
+ .pre_emp_bias = USB2_BIAS_11P25MV,
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP,
+ }" # Type-A Port A3
register "usb2_ports[5]" = "USB2_PORT_MID(OC_SKIP)" # PL2303
register "usb3_ports[1]" = "USB3_PORT_EMPTY" # No USB3/2 Type-C Port C1