diff options
Diffstat (limited to 'hw/lpc-mbox.c')
| -rw-r--r-- | hw/lpc-mbox.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/hw/lpc-mbox.c b/hw/lpc-mbox.c index c296a8a9..7a57f1e7 100644 --- a/hw/lpc-mbox.c +++ b/hw/lpc-mbox.c @@ -51,9 +51,6 @@ #define MBOX_MAX_QUEUE_LEN 5 -#define BMC_RESET 1 -#define BMC_COMPLETE 2 - struct mbox { uint32_t base; int queue_len; @@ -62,6 +59,8 @@ struct mbox { struct timer poller; void (*callback)(struct bmc_mbox_msg *msg, void *priv); void *drv_data; + void (*attn)(uint8_t bits, void *priv); + void *attn_data; struct lock lock; /* Protect in_flight */ struct bmc_mbox_msg *in_flight; }; @@ -182,16 +181,15 @@ out_response: * something to tell us. */ if (bmc_mbox_inb(MBOX_STATUS_1) & MBOX_STATUS_1_ATTN) { - uint8_t action; + uint8_t action, all; /* W1C on that reg */ bmc_mbox_outb(MBOX_STATUS_1_ATTN, MBOX_STATUS_1); - action = bmc_mbox_inb(MBOX_FLAG_REG); + all = action = bmc_mbox_inb(MBOX_FLAG_REG); prlog(PR_TRACE, "Got a status register interrupt with action 0x%02x\n", action); - - if (action & BMC_RESET) { + if (action & MBOX_ATTN_BMC_REBOOT) { /* * It's unlikely that something needs to be done at the * driver level. Let libflash deal with it. @@ -199,12 +197,23 @@ out_response: * event. */ prlog(PR_WARNING, "BMC reset detected\n"); - action &= ~BMC_RESET; + action &= ~MBOX_ATTN_BMC_REBOOT; } + if (action & MBOX_ATTN_BMC_WINDOW_RESET) + action &= ~MBOX_ATTN_BMC_WINDOW_RESET; + + if (action & MBOX_ATTN_BMC_FLASH_LOST) + action &= ~MBOX_ATTN_BMC_FLASH_LOST; + + if (action & MBOX_ATTN_BMC_DAEMON_READY) + action &= ~MBOX_ATTN_BMC_DAEMON_READY; + if (action) prlog(PR_ERR, "Got a status bit set that don't know about: 0x%02x\n", action); + + mbox.attn(all, mbox.attn_data); } schedule_timer(&mbox.poller, @@ -246,6 +255,19 @@ int bmc_mbox_register_callback(void (*callback)(struct bmc_mbox_msg *msg, void * return 0; } +int bmc_mbox_register_attn(void (*callback)(uint8_t bits, void *priv), + void *drv_data) +{ + mbox.attn = callback; + mbox.attn_data = drv_data; + return 0; +} + +uint8_t bmc_mbox_get_attn_reg(void) +{ + return bmc_mbox_inb(MBOX_FLAG_REG); +} + void mbox_init(void) { const struct dt_property *prop; |
