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 asmlinkage size_t fsp_write_line(uint8_t *buffer, size_t number_of_bytes)
  11 {
  12         console_write_line(buffer, number_of_bytes);
  13         return number_of_bytes;
  14 }
  15
  16 enum fsp_call_phase {
  17         BEFORE_FSP_CALL,
  18         AFTER_FSP_CALL,
  19 };
  20
  21 static void fsp_gpio_config_check(enum fsp_call_phase phase, const char *call_str)
  22 {
  23         switch (phase) {
  24         case BEFORE_FSP_CALL:
  25                 printk(BIOS_SPEW, "Snapshot all GPIOs before %s.\n", call_str);
  26                 gpio_snapshot();
  27                 break;
  28         case AFTER_FSP_CALL:
  29                 printk(BIOS_SPEW, "Verify GPIO snapshot after %s...", call_str);
  30                 printk(BIOS_SPEW, "%zd changes detected!\n", gpio_verify_snapshot());
  31                 break;
  32         default:
  33                 break;
  34         }
  35 }
  36
  37 enum fsp_log_level fsp_map_console_log_level(void)
  38 {
  39         enum fsp_log_level fsp_debug_level;
  40
  41         switch (get_log_level()) {
  42         case BIOS_EMERG:
  43         case BIOS_ALERT:
  44         case BIOS_CRIT:
  45         case BIOS_ERR:
  46                 fsp_debug_level = FSP_LOG_LEVEL_ERR;
  47                 break;
  48         case BIOS_WARNING:
  49                 fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN;
  50                 break;
  51         case BIOS_NOTICE:
  52                 fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN_INFO;
  53                 break;
  54         case BIOS_INFO:
  55                 fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN_INFO_EVENT;
  56                 break;
  57         case BIOS_DEBUG:
  58         case BIOS_SPEW:
  59                 fsp_debug_level = FSP_LOG_LEVEL_VERBOSE;
  60                 break;
  61         default:
  62                 fsp_debug_level = FSP_LOG_LEVEL_DISABLE;
  63                 break;
  64         }
  65
  66         if (!CONFIG(DEBUG_RAM_SETUP))
  67                 fsp_debug_level = MIN(fsp_debug_level, FSP_LOG_LEVEL_ERR_WARN_INFO);
  68
  69         return fsp_debug_level;
  70 }
  71
  72 /*-----------
  73  * MemoryInit
  74  *-----------
  75  */
  76 void fsp_debug_before_memory_init(fsp_memory_init_fn memory_init,
  77         const FSPM_UPD *fspm_old_upd,
  78         const FSPM_UPD *fspm_new_upd)
  79 {
  80         display_mtrrs();
  81
  82         /* Display the UPD values */
  83         if (CONFIG(DISPLAY_UPD_DATA))
  84                 fspm_display_upd_values(fspm_old_upd, fspm_new_upd);
  85
  86         /* Display the call entry point and parameters */
  87         if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
  88                 return;
  89         printk(BIOS_SPEW, "Calling FspMemoryInit: %p\n", memory_init);
  90         printk(BIOS_SPEW, "\t%p: raminit_upd\n", fspm_new_upd);
  91         printk(BIOS_SPEW, "\t%p: &hob_list_ptr\n", fsp_get_hob_list_ptr());
  92 }
  93
  94 void fsp_debug_after_memory_init(uint32_t status)
  95 {
  96         if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
  97                 printk(BIOS_SPEW, "FspMemoryInit returned 0x%08x\n", status);
  98
  99         if (status != FSP_SUCCESS)
 100                 return;
 101
 102         /* Verify that the HOB list pointer was set */
 103         if (fsp_get_hob_list() == NULL)
 104                 die("ERROR - HOB list pointer was not returned!\n");
 105
 106         /* Display and verify the HOBs */
 107         if (CONFIG(DISPLAY_HOBS))
 108                 fsp_display_hobs();
 109         if (CONFIG(VERIFY_HOBS))
 110                 fsp_verify_memory_init_hobs();
 111
 112         display_mtrrs();
 113 }
 114
 115 /*-----------
 116  * SiliconInit
 117  *-----------
 118  */
 119 void fsp_debug_before_silicon_init(fsp_silicon_init_fn silicon_init,
 120         const FSPS_UPD *fsps_old_upd,
 121         const FSPS_UPD *fsps_new_upd)
 122 {
 123         if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
 124                 fsp_gpio_config_check(BEFORE_FSP_CALL, "FSP Silicon Init");
 125
 126         display_mtrrs();
 127
 128         /* Display the UPD values */
 129         if (CONFIG(DISPLAY_UPD_DATA))
 130                 soc_display_fsps_upd_params(fsps_old_upd, fsps_new_upd);
 131
 132         /* Display the call to FSP SiliconInit */
 133         if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 134                 return;
 135         printk(BIOS_SPEW, "Calling FspSiliconInit: %p\n", silicon_init);
 136         printk(BIOS_SPEW, "\t%p: upd\n", fsps_new_upd);
 137 }
 138
 139 void fsp_debug_after_silicon_init(uint32_t status)
 140 {
 141         if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
 142                 fsp_gpio_config_check(AFTER_FSP_CALL, "FSP Silicon Init");
 143
 144         if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 145                 printk(BIOS_SPEW, "FspSiliconInit returned 0x%08x\n", status);
 146
 147         /* Display the HOBs */
 148         if (CONFIG(DISPLAY_HOBS))
 149                 fsp_display_hobs();
 150
 151         display_mtrrs();
 152 }
 153
 154 /*-----------
 155  * FspNotify
 156  *-----------
 157  */
 158 void fsp_before_debug_notify(fsp_notify_fn notify,
 159         const struct fsp_notify_params *notify_params)
 160 {
 161         if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
 162                 fsp_gpio_config_check(BEFORE_FSP_CALL, "FSP Notify");
 163
 164         /* Display the call to FspNotify */
 165         if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 166                 return;
 167         printk(BIOS_SPEW, "0x%08x: notify_params->phase\n",
 168                 notify_params->phase);
 169         printk(BIOS_SPEW, "Calling FspNotify: %p\n", notify);
 170         printk(BIOS_SPEW, "\t%p: notify_params\n", notify_params);
 171 }
 172
 173 void fsp_debug_after_notify(uint32_t status)
 174 {
 175         if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
 176                 fsp_gpio_config_check(AFTER_FSP_CALL, "FSP Notify");
 177
 178         if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 179                 printk(BIOS_SPEW, "FspNotify returned 0x%08x\n", status);
 180
 181         /* Display the HOBs */
 182         if (CONFIG(DISPLAY_HOBS))
 183                 fsp_display_hobs();
 184
 185         display_mtrrs();
 186 }