| Sergii Dmytruk | ef7dd5d | 2021-10-22 01:02:32 +0300 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <arch/io.h> |
| 4 | #include <console/console.h> |
| 5 | #include <device/pnp.h> |
| 6 | #include <delay.h> |
| 7 | #include <timer.h> |
| 8 | |
| 9 | #include "ipmi_if.h" |
| 10 | #include "chip.h" |
| 11 | |
| 12 | enum cb_err ipmi_premem_init(const u16 port, const u16 device) |
| 13 | { |
| 14 | const struct drivers_ipmi_config *conf = NULL; |
| 15 | const struct device *dev; |
| 16 | |
| 17 | /* Find IPMI PNP device from devicetree in romstage */ |
| 18 | dev = dev_find_slot_pnp(port, device); |
| 19 | |
| 20 | if (!dev) { |
| 21 | printk(BIOS_ERR, "IPMI: Cannot find PNP device port: %x, device %x\n", |
| 22 | port, device); |
| 23 | return CB_ERR; |
| 24 | } |
| 25 | if (!dev->enabled) { |
| 26 | printk(BIOS_ERR, "IPMI: device is not enabled\n"); |
| 27 | return CB_ERR; |
| 28 | } |
| 29 | printk(BIOS_DEBUG, "IPMI: romstage PNP KCS 0x%x\n", dev->path.pnp.port); |
| 30 | if (dev->chip_info) |
| 31 | conf = dev->chip_info; |
| 32 | |
| 33 | if (conf && conf->wait_for_bmc && conf->bmc_boot_timeout) { |
| 34 | struct stopwatch sw; |
| 35 | stopwatch_init_msecs_expire(&sw, conf->bmc_boot_timeout * 1000); |
| 36 | printk(BIOS_DEBUG, "IPMI: Waiting for BMC...\n"); |
| 37 | |
| 38 | while (!stopwatch_expired(&sw)) { |
| 39 | if (inb(dev->path.pnp.port) != 0xff) |
| 40 | break; |
| 41 | mdelay(100); |
| 42 | } |
| 43 | if (stopwatch_expired(&sw)) { |
| 44 | printk(BIOS_INFO, "IPMI: Waiting for BMC timed out\n"); |
| 45 | return CB_ERR; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | if (ipmi_process_self_test_result(dev)) |
| 50 | return CB_ERR; |
| 51 | |
| 52 | return CB_SUCCESS; |
| 53 | } |