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/* SPDX-License-Identifier: GPL-2.0-only */
#include <amdblocks/acpimmio.h>
#include <amdblocks/acpimmio_legacy_gpio100.h>
#include <delay.h>
#include <device/device.h>
#include <southbridge/amd/common/amd_pci_util.h>
static const u8 mainboard_intr_data[] = {
[0x00] = 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* INTA# - INTH# */
[0x08] = 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F, /* Misc-nil, 0, 1, 2, INT from Serial irq */
[0x10] = 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x12, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x11, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x10, 0x11, 0x12, 0x13
};
/* PIRQ Setup */
static void pirq_setup(void)
{
intr_data_ptr = mainboard_intr_data;
}
/**
* Southstation using SB GPIO 17/18 to control the Red/Green LED
* These two LEDs can be used to show the OS booting status.
*/
static void southstation_led_init(void)
{
/* multi-function pins switch to GPIO0-35 */
pm_write8(0xea, (pm_read8(0xea) & 0xfe) | 1);
/* select IOMux to function2, corresponds to GPIO */
iomux_write8(0x11, (iomux_read8(0x11) & 0xfc) | 2);
iomux_write8(0x12, (iomux_read8(0x12) & 0xfc) | 2);
/* Lighting test */
gpio_100_write8(0x11, 0x08); //output high
gpio_100_write8(0x12, 0x08);
mdelay(100);
gpio_100_write8(0x11, 0x48); //output low
gpio_100_write8(0x12, 0x48);
}
/**********************************************
* Enable the dedicated functions of the board.
**********************************************/
static void mainboard_enable(struct device *dev)
{
pirq_setup();
southstation_led_init();
/*
* 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,
};
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