src/drivers/intel/fsp2_0/debug.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <commonlib/helpers.h>
   4 #include <console/console.h>
   5 #include <console/streams.h>
   6 #include <cpu/x86/mtrr.h>
   7 #include <fsp/debug.h>
   8 #include <fsp/util.h>
   9
  10 enum fsp_call_phase {
  11         BEFORE_FSP_CALL,
  12         AFTER_FSP_CALL,
  13 };
  14
  15 static void fsp_gpio_config_check(enum fsp_call_phase phase, const char *call_str)
  16 {
  17         switch (phase) {
  18         case BEFORE_FSP_CALL:
  19                 printk(BIOS_SPEW, "Snapshot all GPIOs before %s.\n", call_str);
  20                 gpio_snapshot();
  21                 break;
  22         case AFTER_FSP_CALL:
  23                 printk(BIOS_SPEW, "Verify GPIO snapshot after %s...", call_str);
  24                 printk(BIOS_SPEW, "%zd changes detected!\n", gpio_verify_snapshot());
  25                 break;
  26         default:
  27                 break;
  28         }
  29 }
  30
  31 enum fsp_log_level fsp_map_console_log_level(void)
  32 {
  33         enum fsp_log_level fsp_debug_level;
  34
  35         switch (get_log_level()) {
  36         case BIOS_EMERG:
  37         case BIOS_ALERT:
  38         case BIOS_CRIT:
  39         case BIOS_ERR:
  40                 fsp_debug_level = FSP_LOG_LEVEL_ERR;
  41                 break;
  42         case BIOS_WARNING:
  43                 fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN;
  44                 break;
  45         case BIOS_NOTICE:
  46                 fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN_INFO;
  47                 break;
  48         case BIOS_INFO:
  49                 fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN_INFO_EVENT;
  50                 break;
  51         case BIOS_DEBUG:
  52         case BIOS_SPEW:
  53                 fsp_debug_level = FSP_LOG_LEVEL_VERBOSE;
  54                 break;
  55         default:
  56                 fsp_debug_level = FSP_LOG_LEVEL_DISABLE;
  57                 break;
  58         }
  59
  60         if (!CONFIG(DEBUG_RAM_SETUP))
  61                 fsp_debug_level = MIN(fsp_debug_level, FSP_LOG_LEVEL_ERR_WARN_INFO);
  62
  63         return fsp_debug_level;
  64 }
  65
  66 /*-----------
  67  * MemoryInit
  68  *-----------
  69  */
  70 void fsp_debug_before_memory_init(fsp_memory_init_fn memory_init,
  71         const FSPM_UPD *fspm_old_upd,
  72         const FSPM_UPD *fspm_new_upd)
  73 {
  74         display_mtrrs();
  75
  76         /* Display the UPD values */
  77         if (CONFIG(DISPLAY_UPD_DATA))
  78                 fspm_display_upd_values(fspm_old_upd, fspm_new_upd);
  79
  80         /* Display the call entry point and parameters */
  81         if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
  82                 return;
  83         printk(BIOS_SPEW, "Calling FspMemoryInit: %p\n", memory_init);
  84         printk(BIOS_SPEW, "\t%p: raminit_upd\n", fspm_new_upd);
  85         printk(BIOS_SPEW, "\t%p: &hob_list_ptr\n", fsp_get_hob_list_ptr());
  86 }
  87
  88 void fsp_debug_after_memory_init(efi_return_status_t status)
  89 {
  90         if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
  91                 fsp_printk(status, BIOS_SPEW, "FspMemoryInit");
  92
  93         if (status != FSP_SUCCESS)
  94                 return;
  95
  96         /* Verify that the HOB list pointer was set */
  97         if (fsp_get_hob_list() == NULL)
  98                 die("ERROR - HOB list pointer was not returned!\n");
  99
 100         /* Display and verify the HOBs */
 101         if (CONFIG(DISPLAY_HOBS))
 102                 fsp_display_hobs();
 103         if (CONFIG(VERIFY_HOBS))
 104                 fsp_verify_memory_init_hobs();
 105
 106         display_mtrrs();
 107 }
 108
 109 /*-----------
 110  * SiliconInit
 111  *-----------
 112  */
 113 void fsp_debug_before_silicon_init(fsp_silicon_init_fn silicon_init,
 114         const FSPS_UPD *fsps_old_upd,
 115         const FSPS_UPD *fsps_new_upd)
 116 {
 117         if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
 118                 fsp_gpio_config_check(BEFORE_FSP_CALL, "FSP Silicon Init");
 119
 120         display_mtrrs();
 121
 122         /* Display the UPD values */
 123         if (CONFIG(DISPLAY_UPD_DATA))
 124                 soc_display_fsps_upd_params(fsps_old_upd, fsps_new_upd);
 125
 126         /* Display the call to FSP SiliconInit */
 127         if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 128                 return;
 129         printk(BIOS_SPEW, "Calling FspSiliconInit: %p\n", silicon_init);
 130         printk(BIOS_SPEW, "\t%p: upd\n", fsps_new_upd);
 131 }
 132
 133 void fsp_debug_after_silicon_init(efi_return_status_t status)
 134 {
 135         if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
 136                 fsp_gpio_config_check(AFTER_FSP_CALL, "FSP Silicon Init");
 137
 138         if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 139                 fsp_printk(status, BIOS_SPEW, "FspSiliconInit");
 140
 141         /* Display the HOBs */
 142         if (CONFIG(DISPLAY_HOBS))
 143                 fsp_display_hobs();
 144
 145         display_mtrrs();
 146 }
 147
 148 /*-----------
 149  * FspNotify
 150  *-----------
 151  */
 152 void fsp_before_debug_notify(fsp_notify_fn notify,
 153         const struct fsp_notify_params *notify_params)
 154 {
 155         if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
 156                 fsp_gpio_config_check(BEFORE_FSP_CALL, "FSP Notify");
 157
 158         /* Display the call to FspNotify */
 159         if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 160                 return;
 161         printk(BIOS_SPEW, "0x%08x: notify_params->phase\n",
 162                 notify_params->phase);
 163         printk(BIOS_SPEW, "Calling FspNotify: %p\n", notify);
 164         printk(BIOS_SPEW, "\t%p: notify_params\n", notify_params);
 165 }
 166
 167 void fsp_debug_after_notify(efi_return_status_t status)
 168 {
 169         if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
 170                 fsp_gpio_config_check(AFTER_FSP_CALL, "FSP Notify");
 171
 172         if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 173                 fsp_printk(status, BIOS_SPEW, "FspNotify");
 174
 175         /* Display the HOBs */
 176         if (CONFIG(DISPLAY_HOBS))
 177                 fsp_display_hobs();
 178
 179         display_mtrrs();
 180 }