void mainboard_gpio_pcie_reset(uint32_t pin_value)
{
uint32_t pin_number;
uint32_t value;
/* Determine the correct PCIe reset pin */
if (IS_ENABLED(CONFIG_GALILEO_GEN2))
pin_number = GEN2_PCI_RESET_RESUMEWELL_GPIO;
else
pin_number = GEN1_PCI_RESET_RESUMEWELL_GPIO;
/* Update the PCIe reset value */
value = reg_legacy_gpio_read(R_QNC_GPIO_RGLVL_RESUME_WELL);
value = (value & ~(1 << pin_number)) | ((pin_value & 1) << pin_number);
reg_legacy_gpio_write(R_QNC_GPIO_RGLVL_RESUME_WELL, value);
}
static void reg_write(struct reg_script_context *ctx)
{
const struct reg_script *step = ctx->step;
switch (step->id) {
default:
printk(BIOS_ERR,
"ERROR - Unknown register set (0x%08x)!\n",
step->id);
ctx->display_features = REG_SCRIPT_DISPLAY_NOTHING;
return;
case GPE0_REGS:
ctx->display_prefix = "GPE0";
reg_gpe0_write(step->reg, (uint32_t)step->value);
break;
case GPIO_REGS:
ctx->display_prefix = "GPIO";
reg_gpio_write(step->reg, (uint32_t)step->value);
break;
case HOST_BRIDGE:
ctx->display_prefix = "Host Bridge";
reg_host_bridge_unit_write(step->reg, (uint32_t)step->value);
break;
case LEG_GPIO_REGS:
ctx->display_prefix = "Legacy GPIO";
reg_legacy_gpio_write(step->reg, (uint32_t)step->value);
break;
case PCIE_AFE_REGS:
ctx->display_prefix = "PCIe AFE";
reg_pcie_afe_write(step->reg, (uint32_t)step->value);
break;
case PCIE_RESET:
if (ctx->display_features) {
ctx->display_prefix = "PCIe reset";
ctx->display_features &= ~REG_SCRIPT_DISPLAY_REGISTER;
}
mainboard_gpio_pcie_reset(step->value);
break;
case RMU_TEMP_REGS:
ctx->display_prefix = "RMU TEMP";
reg_rmu_temp_write(step->reg, (uint32_t)step->value);
break;
case SOC_UNIT_REGS:
ctx->display_prefix = "SOC Unit";
reg_soc_unit_write(step->reg, (uint32_t)step->value);
break;
case MICROSECOND_DELAY:
/* The actual delay is >= the requested delay */
if (ctx->display_features) {
/* Higher baud-rates will reduce the impact of displaying this message */
printk(BIOS_INFO, "Delay %lld uSec\n", step->value);
ctx->display_features = REG_SCRIPT_DISPLAY_NOTHING;
}
udelay(step->value);
break;
case USB_PHY_REGS:
ctx->display_prefix = "USB PHY";
reg_usb_write(step->reg, (uint32_t)step->value);
break;
}
}
