diff options
Diffstat (limited to 'src/drivers/ipmi')
| -rw-r--r-- | src/drivers/ipmi/Kconfig | 9 | ||||
| -rw-r--r-- | src/drivers/ipmi/ipmi_kcs.c | 31 |
2 files changed, 22 insertions, 18 deletions
diff --git a/src/drivers/ipmi/Kconfig b/src/drivers/ipmi/Kconfig index 44ed17e548..1137dcf8d5 100644 --- a/src/drivers/ipmi/Kconfig +++ b/src/drivers/ipmi/Kconfig @@ -33,3 +33,12 @@ config BMC_KCS_BASE help The PNP base address of BMC KCS. It must be equal to the pnp port value defined in devicetree for chip drivers/ipmi. + +config IPMI_KCS_TIMEOUT_MS + int + default 5000 + depends on IPMI_KCS + help + The time unit is millisecond for each IPMI KCS transfer. + IPMI spec v2.0 rev 1.1 Sec. 9.15, a five-second timeout or + greater is recommended. diff --git a/src/drivers/ipmi/ipmi_kcs.c b/src/drivers/ipmi/ipmi_kcs.c index 1d6b71cee9..f8c64c68e9 100644 --- a/src/drivers/ipmi/ipmi_kcs.c +++ b/src/drivers/ipmi/ipmi_kcs.c @@ -3,7 +3,7 @@ #include <console/console.h> #include <device/device.h> #include <arch/io.h> -#include <delay.h> +#include <timer.h> #include "ipmi_kcs.h" #define IPMI_KCS_STATE(_x) ((_x) >> 6) @@ -35,27 +35,22 @@ static unsigned char ipmi_kcs_status(int port) static int wait_ibf_timeout(int port) { - int timeout = 1000; - do { - if (!(ipmi_kcs_status(port) & IPMI_KCS_IBF)) - return 0; - udelay(100); - } while (timeout--); - printk(BIOS_ERR, "wait_ibf timeout!\n"); - return timeout; + if (!wait_ms(CONFIG_IPMI_KCS_TIMEOUT_MS, !(ipmi_kcs_status(port) & IPMI_KCS_IBF))) { + printk(BIOS_ERR, "wait_ibf timeout!\n"); + return 1; + } else { + return 0; + } } static int wait_obf_timeout(int port) { - int timeout = 1000; - do { - if ((ipmi_kcs_status(port) & IPMI_KCS_OBF)) - return 0; - udelay(100); - } while (timeout--); - - printk(BIOS_ERR, "wait_obf timeout!\n"); - return timeout; + if (!wait_ms(CONFIG_IPMI_KCS_TIMEOUT_MS, (ipmi_kcs_status(port) & IPMI_KCS_OBF))) { + printk(BIOS_ERR, "wait_obf timeout!\n"); + return 1; + } else { + return 0; + } } |