diff options
| author | wanghao11 <wanghao11@inspur.com> | 2022-07-25 10:08:43 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-12-06 15:20:18 +0000 |
| commit | f38992e608fe972f687a0d80b3654209efbf3c1d (patch) | |
| tree | beb4c85a56f1ea77e6d9f1cbe7229d0672061748 /src | |
| parent | 9c4ae9131ce5f391c97f9ce4f78fce0e1697d9b1 (diff) | |
drivers/ipmi: Retry ipmi_get_device_id in ipmi_kcs_init
Add retry up to 10 seconds maximal in ipmi_get_device_id.
Without this retry, on OCP Craterlake with BMC version v2022.28.1,
there's a chance that ipmi_get_device_id failed then ipmi device
won't be enabled.
Change-Id: I2b972c905fb0f8223570212432a4a10bd715f3f7
Signed-off-by: Yiwei Tang <tangyiwei.2022@bytedance.com>
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69310
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/ipmi/ipmi_kcs_ops.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/src/drivers/ipmi/ipmi_kcs_ops.c b/src/drivers/ipmi/ipmi_kcs_ops.c index 28ced49f53..2e5378f07a 100644 --- a/src/drivers/ipmi/ipmi_kcs_ops.c +++ b/src/drivers/ipmi/ipmi_kcs_ops.c @@ -28,6 +28,8 @@ #include "ipmi_supermicro_oem.h" #include "chip.h" +#define IPMI_GET_DID_RETRY_MS 10000 + /* 4 bit encoding */ static u8 ipmi_revision_major = 0x1; static u8 ipmi_revision_minor = 0x0; @@ -112,35 +114,34 @@ static void ipmi_kcs_init(struct device *dev) } } - if (ipmi_process_self_test_result(dev)) + if (ipmi_process_self_test_result(dev)) { /* Don't write tables if communication failed */ dev->enabled = 0; + return; + } - if (!ipmi_get_device_id(dev, &rsp)) { - /* Queried the IPMI revision from BMC */ - ipmi_revision_minor = IPMI_IPMI_VERSION_MINOR(rsp.ipmi_version); - ipmi_revision_major = IPMI_IPMI_VERSION_MAJOR(rsp.ipmi_version); + if (!wait_ms(IPMI_GET_DID_RETRY_MS, !ipmi_get_device_id(dev, &rsp))) { + printk(BIOS_ERR, "IPMI: BMC does not respond to get device id even " + "after %d ms.\n", IPMI_GET_DID_RETRY_MS); + dev->enabled = 0; + return; + } - bmc_revision_major = rsp.fw_rev1; - bmc_revision_minor = rsp.fw_rev2; + /* Queried the IPMI revision from BMC */ + ipmi_revision_minor = IPMI_IPMI_VERSION_MINOR(rsp.ipmi_version); + ipmi_revision_major = IPMI_IPMI_VERSION_MAJOR(rsp.ipmi_version); - memcpy(&man_id, rsp.manufacturer_id, - sizeof(rsp.manufacturer_id)); + bmc_revision_major = rsp.fw_rev1; + bmc_revision_minor = rsp.fw_rev2; - memcpy(&prod_id, rsp.product_id, sizeof(rsp.product_id)); + memcpy(&man_id, rsp.manufacturer_id, sizeof(rsp.manufacturer_id)); - printk(BIOS_INFO, "IPMI: Found man_id 0x%06x, prod_id 0x%04x\n", - man_id, prod_id); + memcpy(&prod_id, rsp.product_id, sizeof(rsp.product_id)); - printk(BIOS_INFO, "IPMI: Version %01x.%01x\n", - ipmi_revision_major, ipmi_revision_minor); - } else { - /* Don't write tables if communication failed */ - dev->enabled = 0; - } + printk(BIOS_INFO, "IPMI: Found man_id 0x%06x, prod_id 0x%04x\n", man_id, prod_id); - if (!dev->enabled) - return; + printk(BIOS_INFO, "IPMI: Version %01x.%01x\n", ipmi_revision_major, + ipmi_revision_minor); if (CONFIG(DRIVERS_IPMI_SUPERMICRO_OEM)) supermicro_ipmi_oem(dev->path.pnp.port); |