src/mainboard/compulab/intense_pc/early_init.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootblock_common.h>
   4 #include <stdint.h>
   5 #include <arch/io.h>
   6 #include <northbridge/intel/sandybridge/raminit_native.h>
   7 #include <superio/smsc/sio1007/sio1007.h>
   8 #include <southbridge/intel/bd82x6x/pch.h>
   9
  10 #define SIO_PORT 0x164e
  11
  12 const struct southbridge_usb_port mainboard_usb_ports[] = {
  13         { 1, 1, 0 },
  14         { 1, 1, 0 },
  15         { 1, 1, 1 },
  16         { 1, 1, 1 },
  17         { 1, 0, 2 },
  18         { 1, 0, 2 },
  19         { 1, 0, 3 },
  20         { 1, 0, 3 },
  21         { 1, 1, 4 },
  22         { 1, 1, 4 },
  23         { 1, 0, 5 },
  24         { 1, 0, 5 },
  25         { 1, 0, 6 },
  26         { 1, 0, 6 },
  27 };
  28
  29 void bootblock_mainboard_early_init(void)
  30 {
  31         const u16 port = SIO_PORT;
  32         const u16 runtime_port = 0x180;
  33
  34         /* Enable COM1 if requested */
  35         if (CONFIG(DRIVERS_UART_8250IO))
  36                 sio1007_enable_uart_at(port);
  37
  38         /* Turn on configuration mode. */
  39         outb(0x55, port);
  40
  41         /* Set the GPIO direction, polarity, and type. */
  42         sio1007_setreg(port, 0x31, 1 << 0, 1 << 0);
  43         sio1007_setreg(port, 0x32, 0 << 0, 1 << 0);
  44         sio1007_setreg(port, 0x33, 0 << 0, 1 << 0);
  45
  46         /* Set the base address for the runtime register block. */
  47         sio1007_setreg(port, 0x30, runtime_port >> 4, 0xff);
  48         sio1007_setreg(port, 0x21, runtime_port >> 12, 0xff);
  49
  50         /* Turn on address decoding for it. */
  51         sio1007_setreg(port, 0x3a, 1 << 1, 1 << 1);
  52
  53         /* Set the value of GPIO 10 by changing GP1, bit 0. */
  54         u8 byte;
  55         byte = inb(runtime_port + 0xc);
  56         byte |= (1 << 0);
  57         outb(byte, runtime_port + 0xc);
  58
  59         /* Turn off address decoding for it. */
  60         sio1007_setreg(port, 0x3a, 0 << 1, 1 << 1);
  61
  62         /* Turn off configuration mode. */
  63         outb(0xaa, port);
  64 }
  65
  66 void mainboard_get_spd(spd_raw_data *spd, bool id_only)
  67 {
  68         read_spd(&spd[0], 0x50, id_only);
  69         read_spd(&spd[2], 0x52, id_only);
  70 }