diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/picasso/chip.h | 9 | ||||
| -rw-r--r-- | src/soc/amd/picasso/fsp_params.c | 13 |
2 files changed, 21 insertions, 1 deletions
diff --git a/src/soc/amd/picasso/chip.h b/src/soc/amd/picasso/chip.h index 64258b24ca..62272c0927 100644 --- a/src/soc/amd/picasso/chip.h +++ b/src/soc/amd/picasso/chip.h @@ -137,6 +137,15 @@ struct soc_amd_picasso_config { uint8_t has_usb2_phy_tune_params; struct usb2_phy_tune usb_2_port_tune_params[USB_PORT_COUNT]; + enum { + USB_OC_PIN_0 = 0x0, + USB_OC_PIN_1 = 0x1, + USB_OC_PIN_2 = 0x2, + USB_OC_PIN_3 = 0x3, + USB_OC_PIN_4 = 0x4, + USB_OC_PIN_5 = 0x5, + USB_OC_NONE = 0xf, + } usb_port_overcurrent_pin[USB_PORT_COUNT]; }; typedef struct soc_amd_picasso_config config_t; diff --git a/src/soc/amd/picasso/fsp_params.c b/src/soc/amd/picasso/fsp_params.c index 8e6703e436..1dbb8e57b5 100644 --- a/src/soc/amd/picasso/fsp_params.c +++ b/src/soc/amd/picasso/fsp_params.c @@ -98,17 +98,28 @@ static void fsp_fill_pcie_ddi_descriptors(FSP_S_CONFIG *scfg) static void fsp_usb_oem_customization(FSP_S_CONFIG *scfg, const struct soc_amd_picasso_config *cfg) { + size_t i; + ASSERT(FSPS_UPD_USB2_PORT_COUNT == USB_PORT_COUNT); + /* each OC mapping in xhci_oc_pin_select is 4 bit per USB port */ + ASSERT(2 * sizeof(scfg->xhci_oc_pin_select) >= USB_PORT_COUNT); scfg->xhci0_force_gen1 = cfg->xhci0_force_gen1; if (cfg->has_usb2_phy_tune_params) { - for (size_t i = 0; i < FSPS_UPD_USB2_PORT_COUNT; i++) { + for (i = 0; i < FSPS_UPD_USB2_PORT_COUNT; i++) { memcpy(scfg->fch_usb_2_port_phy_tune[i], &cfg->usb_2_port_tune_params[i], sizeof(scfg->fch_usb_2_port_phy_tune[0])); } } + + /* lowest nibble of xhci_oc_pin_select corresponds to OC mapping of first USB port */ + for (i = 0; i < USB_PORT_COUNT; i++) { + scfg->xhci_oc_pin_select &= ~(0xf << (i * 4)); + scfg->xhci_oc_pin_select |= + (cfg->usb_port_overcurrent_pin[i] & 0xf) << (i * 4); + } } void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) |