src/mainboard/msi/ms7d25/bootblock.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootblock_common.h>
   4 #include <device/pnp_ops.h>
   5 #include <superio/nuvoton/common/nuvoton.h>
   6 #include <superio/nuvoton/nct6687d/nct6687d.h>
   7
   8 #define SERIAL_DEV PNP_DEV(0x4e, NCT6687D_SP1)
   9 #define POWER_DEV PNP_DEV(0x4e, NCT6687D_SLEEP_PWR)
  10
  11 void bootblock_mainboard_early_init(void)
  12 {
  13         /* Replicate vendor settings for multi-function pins in global config LDN */
  14         nuvoton_pnp_enter_conf_state(SERIAL_DEV);
  15         pnp_write_config(SERIAL_DEV, 0x13, 0xff); // IRQ8-15 level triggered, low
  16         pnp_write_config(SERIAL_DEV, 0x14, 0xff); // IRQ0-7 level triggered, low
  17
  18         /* Below are multi-pin function */
  19         pnp_write_config(SERIAL_DEV, 0x15, 0xaa);
  20         pnp_write_config(SERIAL_DEV, 0x1a, 0x02);
  21         pnp_write_config(SERIAL_DEV, 0x1b, 0x02);
  22         pnp_write_config(SERIAL_DEV, 0x1d, 0x00);
  23         pnp_write_config(SERIAL_DEV, 0x1e, 0xaa);
  24         pnp_write_config(SERIAL_DEV, 0x1f, 0xb2);
  25         pnp_write_config(SERIAL_DEV, 0x22, 0xbd);
  26         pnp_write_config(SERIAL_DEV, 0x23, 0xdf);
  27         pnp_write_config(SERIAL_DEV, 0x24, 0x39);
  28         pnp_write_config(SERIAL_DEV, 0x25, 0xfe);
  29         pnp_write_config(SERIAL_DEV, 0x26, 0x40);
  30         pnp_write_config(SERIAL_DEV, 0x27, 0x77);
  31         pnp_write_config(SERIAL_DEV, 0x28, 0x00);
  32         pnp_write_config(SERIAL_DEV, 0x29, 0xfb);
  33         pnp_write_config(SERIAL_DEV, 0x2a, 0x80);
  34         pnp_write_config(SERIAL_DEV, 0x2b, 0x20);
  35         pnp_write_config(SERIAL_DEV, 0x2c, 0x8a);
  36         pnp_write_config(SERIAL_DEV, 0x2d, 0xaa);
  37
  38         pnp_set_logical_device(POWER_DEV);
  39         /* Configure pin for PECI */
  40         pnp_write_config(POWER_DEV, 0xf3, 0x80);
  41
  42         nuvoton_pnp_exit_conf_state(POWER_DEV);
  43
  44         if (CONFIG(CONSOLE_SERIAL))
  45                 nuvoton_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
  46 }