int64_t ibm_fsp_cec_power_down(uint64_t request)
{
/* Request is:
*
* 0 = normal
* 1 = immediate
* (we do not allow 2 for "pci cfg reset" just yet)
*/
if (request !=0 && request != 1)
return OPAL_PARAMETER;
if (!fsp_present())
return OPAL_UNSUPPORTED;
/* Flash new firmware */
if (fsp_flash_term_hook)
fsp_flash_term_hook();
printf("FSP: Sending shutdown command to FSP...\n");
if (fsp_sync_msg(fsp_mkmsg(FSP_CMD_POWERDOWN_NORM, 1, request), true))
return OPAL_BUSY_EVENT;
fsp_reset_links();
return OPAL_SUCCESS;
}
void op_display(enum op_severity sev, enum op_module mod, uint16_t code)
{
uint32_t w0 = sev << 16 | mod;
uint32_t w1;
bool clean_lock;
if (!fsp_present())
return;
w1 = tohex((code >> 12) & 0xf) << 24;
w1 |= tohex((code >> 8) & 0xf) << 16;
w1 |= tohex((code >> 4) & 0xf) << 8;
w1 |= tohex((code ) & 0xf);
/*
* We use lock_recursive to detect recursion. We avoid sending
* the message if that happens as this could be a case of a
* locking error in the FSP driver for example
*/
clean_lock = lock_recursive(&op_lock);
if (!clean_lock)
return;
/* We don't use mkmsg, we use a preallocated msg to avoid
* going down the malloc path etc... since this can be called
* in case of fatal errors
*/
fsp_fillmsg(&op_msg, FSP_CMD_DISP_SRC_DIRECT, 3, 1, w0, w1);
fsp_sync_msg(&op_msg, false);
unlock(&op_lock);
}
void op_display(enum op_severity sev, enum op_module mod, uint16_t code)
{
struct fsp_msg *op_msg;
uint32_t w0;
uint32_t w1;
if (!fsp_present())
return;
w0 = sev << 16 | mod;
w1 = tohex((code >> 12) & 0xf) << 24;
w1 |= tohex((code >> 8) & 0xf) << 16;
w1 |= tohex((code >> 4) & 0xf) << 8;
w1 |= tohex((code ) & 0xf);
if (sev == OP_FATAL) {
fsp_op_display_fatal(w0, w1);
} else {
op_msg = fsp_allocmsg(true);
if (!op_msg) {
prerror("Failed to allocate FSP message for PANEL\n");
return;
}
fsp_fillmsg(op_msg, FSP_CMD_DISP_SRC_DIRECT, 3, 1, w0, w1);
if(fsp_queue_msg(op_msg, fsp_freemsg))
prerror("Failed to queue FSP message for OP PANEL\n");
}
}
void op_panel_clear_src(void)
{
if (!fsp_present())
return;
lock(&op_lock);
fsp_fillmsg(&op_msg, FSP_CMD_CLEAR_SRC, 0);
fsp_sync_msg(&op_msg, false);
unlock(&op_lock);
}
void op_panel_disable_src_echo(void)
{
if (!fsp_present())
return;
lock(&op_lock);
fsp_fillmsg(&op_msg, FSP_CMD_DIS_SRC_ECHO, 0);
fsp_sync_msg(&op_msg, false);
unlock(&op_lock);
}
void op_panel_clear_src(void)
{
struct fsp_msg op_msg_resp;
struct fsp_msg op_msg = {
.resp = &op_msg_resp,
};
if (!fsp_present())
return;
fsp_fillmsg(&op_msg, FSP_CMD_CLEAR_SRC, 0);
fsp_sync_msg(&op_msg, false);
}
void op_panel_disable_src_echo(void)
{
struct fsp_msg op_msg_resp;
struct fsp_msg op_msg = {
.resp = &op_msg_resp,
};
if (!fsp_present())
return;
fsp_fillmsg(&op_msg, FSP_CMD_DIS_SRC_ECHO, 0);
fsp_sync_msg(&op_msg, false);
}
void prd_init(void)
{
struct proc_chip *chip;
/* mask everything */
lock(&ipoll_lock);
for_each_chip(chip) {
__ipoll_update_mask(chip->id, true, PRD_IPOLL_MASK);
}
unlock(&ipoll_lock);
if (fsp_present()) {
/* todo: FSP implementation */
queue_prd_msg = queue_prd_msg_nop;
} else {
queue_prd_msg = queue_prd_msg_hbrt;
opal_register(OPAL_PRD_MSG, opal_prd_msg, 1);
}
}
int64_t ibm_fsp_cec_reboot(void)
{
uint32_t cmd = FSP_CMD_REBOOT;
if (!fsp_present())
return OPAL_UNSUPPORTED;
/* Flash new firmware */
if (fsp_flash_term_hook &&
fsp_flash_term_hook() == OPAL_SUCCESS)
cmd = FSP_CMD_DEEP_REBOOT;
printf("FSP: Sending 0x%02x reboot command to FSP...\n", cmd);
/* If that failed, talk to the FSP */
if (fsp_sync_msg(fsp_mkmsg(cmd, 0), true))
return OPAL_BUSY_EVENT;
return OPAL_SUCCESS;
}
void ibm_fsp_init(void)
{
/* Early initializations of the FSP interface */
fsp_init();
map_debug_areas();
fsp_sysparam_init();
/* Get ready to receive E0 class messages. We need to respond
* to some of these for the init sequence to make forward progress
*/
fsp_console_preinit();
/* Get ready to receive OCC related messages */
occ_fsp_init();
/* Get ready to receive Memory [Un]corretable Error messages. */
fsp_memory_err_init();
/* Initialize elog access */
fsp_elog_read_init();
fsp_elog_write_init();
/* Initiate dump service */
fsp_dump_init();
/* Start FSP/HV state controller & perform OPL */
fsp_opl();
/* Preload hostservices lids */
hservices_lid_preload();
/* Initialize SP attention area */
fsp_attn_init();
/* Initialize monitoring of TOD topology change event notification */
fsp_chiptod_init();
/* Send MDST table notification to FSP */
op_display(OP_LOG, OP_MOD_INIT, 0x0000);
fsp_mdst_table_init();
/* Initialize the panel */
op_display(OP_LOG, OP_MOD_INIT, 0x0001);
fsp_oppanel_init();
/* Start the surveillance process */
op_display(OP_LOG, OP_MOD_INIT, 0x0002);
fsp_init_surveillance();
/* IPMI */
fsp_ipmi_init();
ipmi_opal_init();
/* Initialize sensor access */
op_display(OP_LOG, OP_MOD_INIT, 0x0003);
fsp_init_sensor();
/* LED */
op_display(OP_LOG, OP_MOD_INIT, 0x0004);
fsp_led_init();
/* Monitor for DIAG events */
op_display(OP_LOG, OP_MOD_INIT, 0x0005);
fsp_init_diag();
/* Finish initializing the console */
op_display(OP_LOG, OP_MOD_INIT, 0x0006);
fsp_console_init();
/* Read our initial RTC value */
op_display(OP_LOG, OP_MOD_INIT, 0x0008);
fsp_rtc_init();
/* Initialize code update access */
op_display(OP_LOG, OP_MOD_INIT, 0x0009);
fsp_code_update_init();
/* EPOW */
op_display(OP_LOG, OP_MOD_INIT, 0x000A);
fsp_epow_init();
/* EPOW */
op_display(OP_LOG, OP_MOD_INIT, 0x000B);
fsp_dpo_init();
/* Setup console */
if (fsp_present())
fsp_console_add_nodes();
if (proc_gen >= proc_gen_p9)
prd_init();
}