diff options
| author | Chris Wang <chris.wang@amd.corp-partner.google.com> | 2020-09-14 17:03:06 +0800 |
|---|---|---|
| committer | Edward O'Callaghan <quasisec@chromium.org> | 2020-10-08 01:30:02 +0000 |
| commit | 3f929020c2ec3d039a3c5e1880e9dcf13628e705 (patch) | |
| tree | 7b061f56ce4a55341bf42b87cbec7757343acca8 /src | |
| parent | 4b5c8b554154f290d509b6db3c44f850134581b7 (diff) | |
soc/amd/picasso: Add UPD for support force USB3 to Gen1 by port
Add UPD usb3_port_force_gen1 for support USB3 port force to gen1.
BUG=b:167651308
BRANCH=zork
TEST=Build, verify the USB3 speed in gen1
Signed-off-by: Chris Wang <chris.wang@amd.corp-partner.google.com>
Change-Id: I896c185988c3ea5dbdd72957b363ebdaa2747cff
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45333
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Sam McNally <sammc@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/picasso/chip.h | 15 | ||||
| -rw-r--r-- | src/soc/amd/picasso/fsp_params.c | 1 |
2 files changed, 15 insertions, 1 deletions
diff --git a/src/soc/amd/picasso/chip.h b/src/soc/amd/picasso/chip.h index a39549e5a3..f4233de2ce 100644 --- a/src/soc/amd/picasso/chip.h +++ b/src/soc/amd/picasso/chip.h @@ -37,6 +37,17 @@ struct __packed usb2_phy_tune { uint8_t tx_res_tune; }; +/* force USB3 port to gen1, bit0 - controller0 Port0, bit1 - Port1, etc */ +union __packed usb3_force_gen1 { + struct { + uint8_t xhci0_port0:1; + uint8_t xhci0_port1:1; + uint8_t xhci0_port2:1; + uint8_t xhci0_port3:1; + } ports; + uint8_t usb3_port_force_gen1_en; +}; + #define USB_PORT_COUNT 6 enum sd_emmc_driver_strength { @@ -190,8 +201,10 @@ struct soc_amd_picasso_config { */ uint16_t init_khz_preset; } emmc_config; - + /* set xhci0 from gen2 to gen1 */ uint8_t xhci0_force_gen1; + /* Force USB3 port to gen1, bit0 - controller0 Port0, bit1 - Port1 */ + union usb3_force_gen1 usb3_port_force_gen1; uint8_t has_usb2_phy_tune_params; struct usb2_phy_tune usb_2_port_tune_params[USB_PORT_COUNT]; diff --git a/src/soc/amd/picasso/fsp_params.c b/src/soc/amd/picasso/fsp_params.c index 95e691dc5d..973bb87d49 100644 --- a/src/soc/amd/picasso/fsp_params.c +++ b/src/soc/amd/picasso/fsp_params.c @@ -111,6 +111,7 @@ static void fsp_usb_oem_customization(FSP_S_CONFIG *scfg, ASSERT(2 * sizeof(scfg->xhci_oc_pin_select) >= USB_PORT_COUNT); scfg->xhci0_force_gen1 = cfg->xhci0_force_gen1; + scfg->fch_usb_3_port_force_gen1 = cfg->usb3_port_force_gen1.usb3_port_force_gen1_en; if (cfg->has_usb2_phy_tune_params) { for (i = 0; i < FSPS_UPD_USB2_PORT_COUNT; i++) { |