diff options
Diffstat (limited to 'src/soc/amd/common')
| -rw-r--r-- | src/soc/amd/common/block/psp/psp.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/psp/psp.c b/src/soc/amd/common/block/psp/psp.c index bb0a5fe8bd..a1a0e5baec 100644 --- a/src/soc/amd/common/block/psp/psp.c +++ b/src/soc/amd/common/block/psp/psp.c @@ -18,6 +18,7 @@ #include <region_file.h> #include <timer.h> #include <device/pci_def.h> +#include <bootstate.h> #include <console/console.h> #include <amdblocks/psp.h> @@ -185,6 +186,34 @@ int psp_notify_dram(void) } /* + * Notify the PSP that the system is completing the boot process. Upon + * receiving this command, the PSP will only honor commands where the buffer + * is in SMM space. + */ +static void psp_notify_boot_done(void *unused) +{ + int cmd_status; + struct mbox_default_buffer buffer = { + .header = { + .size = sizeof(buffer) + } + }; + + printk(BIOS_DEBUG, "PSP: Notify that POST is finishing... "); + + cmd_status = send_psp_command(MBOX_BIOS_CMD_BOOT_DONE, &buffer); + + /* buffer's status shouldn't change but report it if it does */ + if (rd_resp_sts(&buffer)) + printk(BIOS_DEBUG, "buffer status=0x%x ", + rd_resp_sts(&buffer)); + if (cmd_status) + printk(BIOS_DEBUG, "%s\n", status_to_string(cmd_status)); + else + printk(BIOS_DEBUG, "OK\n"); +} + +/* * Tell the PSP to load a firmware blob from a location in the BIOS image. */ static int psp_load_blob(int type, void *addr) @@ -238,3 +267,6 @@ int psp_load_named_blob(int type, const char *name) } return r; } + +BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, + psp_notify_boot_done, NULL); |