summaryrefslogtreecommitdiff
path: root/src/mainboard/amd/union_station/mainboard.c
blob: 4b6f9a1180d1dcb925ac4a213c7f2d06d7d7d6a9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
/* SPDX-License-Identifier: GPL-2.0-only */

#include <amdblocks/acpimmio.h>
#include <console/console.h>
#include <device/device.h>
#include <southbridge/amd/cimx/sb800/SBPLATFORM.h>

/**********************************************
 * Enable the dedicated functions of the board.
 **********************************************/
static void mainboard_enable(struct device *dev)
{
	printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");

	/*
	 * Initialize ASF registers to an arbitrary address because someone
	 * long ago set things up this way inside the SPD read code.  The
	 * SPD read code has been made generic and moved out of the board
	 * directory, so the ASF init is being done here.
	 */
	pm_write8(0x29, 0x80);
	pm_write8(0x28, 0x61);
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};