| /* 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; |
| } |