src/mainboard/purism/librem_jsl/bootblock.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootblock_common.h>
   4 #include <device/pci_ops.h>
   5 #include <ec/acpi/ec.h>
   6 #include <gpio.h>
   7 #include <soc/pci_devs.h>
   8
   9 static const struct pad_config early_gpio_table[] = {
  10         PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1),   /* UART2_RXD */
  11         PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),   /* UART2_TXD */
  12 };
  13
  14 void bootblock_mainboard_early_init(void)
  15 {
  16         gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
  17 }
  18
  19 void bootblock_mainboard_init(void)
  20 {
  21         /*
  22          * Ensure the panel is powered on.  ACPI _PTS disables it, if the system
  23          * is powered up again we need to turn it on.
  24          */
  25         ec_write(0xa3, 0);
  26 }