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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/io.h>
#include <console/console.h>
#include <device/pnp.h>
#include <delay.h>
#include <timer.h>
#include "ipmi_if.h"
#include "chip.h"
enum cb_err ipmi_premem_init(const u16 port, const u16 device)
{
const struct drivers_ipmi_config *conf = NULL;
const struct device *dev;
/* Find IPMI PNP device from devicetree in romstage */
dev = dev_find_slot_pnp(port, device);
if (!dev) {
printk(BIOS_ERR, "IPMI: Cannot find PNP device port: %x, device %x\n",
port, device);
return CB_ERR;
}
if (!dev->enabled) {
printk(BIOS_ERR, "IPMI: device is not enabled\n");
return CB_ERR;
}
printk(BIOS_DEBUG, "IPMI: romstage PNP KCS 0x%x\n", dev->path.pnp.port);
if (dev->chip_info)
conf = dev->chip_info;
if (conf && conf->wait_for_bmc && conf->bmc_boot_timeout) {
struct stopwatch sw;
stopwatch_init_msecs_expire(&sw, conf->bmc_boot_timeout * 1000);
printk(BIOS_DEBUG, "IPMI: Waiting for BMC...\n");
while (!stopwatch_expired(&sw)) {
if (inb(dev->path.pnp.port) != 0xff)
break;
mdelay(100);
}
if (stopwatch_expired(&sw)) {
printk(BIOS_INFO, "IPMI: Waiting for BMC timed out\n");
return CB_ERR;
}
}
if (ipmi_process_self_test_result(dev))
return CB_ERR;
return CB_SUCCESS;
}
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