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  #include <option.h>
 10  
 11  enum fsp_call_phase {
 12  	BEFORE_FSP_CALL,
 13  	AFTER_FSP_CALL,
 14  };
 15  
 16  static void fsp_gpio_config_check(enum fsp_call_phase phase, const char *call_str)
 17  {
 18  	switch (phase) {
 19  	case BEFORE_FSP_CALL:
 20  		printk(BIOS_SPEW, "Snapshot all GPIOs before %s.\n", call_str);
 21  		gpio_snapshot();
 22  		break;
 23  	case AFTER_FSP_CALL:
 24  		printk(BIOS_SPEW, "Verify GPIO snapshot after %s...", call_str);
 25  		printk(BIOS_SPEW, "%zd changes detected!\n", gpio_verify_snapshot());
 26  		break;
 27  	default:
 28  		break;
 29  	}
 30  }
 31  
 32  enum fsp_log_level fsp_map_console_log_level(void)
 33  {
 34  	enum fsp_log_level fsp_debug_level;
 35  
 36  	switch (get_log_level()) {
 37  	case BIOS_EMERG:
 38  	case BIOS_ALERT:
 39  	case BIOS_CRIT:
 40  	case BIOS_ERR:
 41  		fsp_debug_level = FSP_LOG_LEVEL_ERR;
 42  		break;
 43  	case BIOS_WARNING:
 44  		fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN;
 45  		break;
 46  	case BIOS_NOTICE:
 47  		fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN_INFO;
 48  		break;
 49  	case BIOS_INFO:
 50  		fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN_INFO_EVENT;
 51  		break;
 52  	case BIOS_DEBUG:
 53  	case BIOS_SPEW:
 54  		fsp_debug_level = FSP_LOG_LEVEL_VERBOSE;
 55  		break;
 56  	default:
 57  		fsp_debug_level = FSP_LOG_LEVEL_DISABLE;
 58  		break;
 59  	}
 60  
 61  	if (!CONFIG(DEBUG_RAM_SETUP))
 62  		fsp_debug_level = MIN(fsp_debug_level, FSP_LOG_LEVEL_ERR_WARN_INFO);
 63  
 64  	return fsp_debug_level;
 65  }
 66  
 67  /*-----------
 68   * MemoryInit
 69   *-----------
 70   */
 71  void fsp_debug_before_memory_init(fsp_memory_init_fn memory_init,
 72  	const FSPM_UPD *fspm_old_upd,
 73  	const FSPM_UPD *fspm_new_upd)
 74  {
 75  	display_mtrrs();
 76  
 77  	/* Display the UPD values */
 78  	if (CONFIG(DISPLAY_UPD_DATA))
 79  		fspm_display_upd_values(fspm_old_upd, fspm_new_upd);
 80  
 81  	/* Display the call entry point and parameters */
 82  	if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 83  		return;
 84  	printk(BIOS_SPEW, "Calling FspMemoryInit: %p\n", memory_init);
 85  	printk(BIOS_SPEW, "\t%p: raminit_upd\n", fspm_new_upd);
 86  	printk(BIOS_SPEW, "\t%p: &hob_list_ptr\n", fsp_get_hob_list_ptr());
 87  }
 88  
 89  void fsp_debug_after_memory_init(efi_return_status_t status)
 90  {
 91  	if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
 92  		fsp_printk(status, BIOS_SPEW, "FspMemoryInit");
 93  
 94  	if (status != FSP_SUCCESS)
 95  		return;
 96  
 97  	/* Verify that the HOB list pointer was set */
 98  	if (fsp_get_hob_list() == NULL)
 99  		die("ERROR - HOB list pointer was not returned!\n");
100  
101  	/* Display and verify the HOBs */
102  	if (CONFIG(DISPLAY_HOBS))
103  		fsp_display_hobs();
104  	if (CONFIG(VERIFY_HOBS))
105  		fsp_verify_memory_init_hobs();
106  
107  	display_mtrrs();
108  }
109  
110  /*-----------
111   * SiliconInit
112   *-----------
113   */
114  void fsp_debug_before_silicon_init(fsp_silicon_init_fn silicon_init,
115  	const FSPS_UPD *fsps_old_upd,
116  	const FSPS_UPD *fsps_new_upd)
117  {
118  	if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
119  		fsp_gpio_config_check(BEFORE_FSP_CALL, "FSP Silicon Init");
120  
121  	display_mtrrs();
122  
123  	/* Display the UPD values */
124  	if (CONFIG(DISPLAY_UPD_DATA))
125  		soc_display_fsps_upd_params(fsps_old_upd, fsps_new_upd);
126  
127  	/* Display the call to FSP SiliconInit */
128  	if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
129  		return;
130  	printk(BIOS_SPEW, "Calling FspSiliconInit: %p\n", silicon_init);
131  	printk(BIOS_SPEW, "\t%p: upd\n", fsps_new_upd);
132  }
133  
134  void fsp_debug_after_silicon_init(efi_return_status_t status)
135  {
136  	if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
137  		fsp_gpio_config_check(AFTER_FSP_CALL, "FSP Silicon Init");
138  
139  	if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
140  		fsp_printk(status, BIOS_SPEW, "FspSiliconInit");
141  
142  	/* Display the HOBs */
143  	if (CONFIG(DISPLAY_HOBS))
144  		fsp_display_hobs();
145  
146  	display_mtrrs();
147  }
148  
149  /*-----------
150   * FspNotify
151   *-----------
152   */
153  void fsp_before_debug_notify(fsp_notify_fn notify,
154  	const struct fsp_notify_params *notify_params)
155  {
156  	if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
157  		fsp_gpio_config_check(BEFORE_FSP_CALL, "FSP Notify");
158  
159  	/* Display the call to FspNotify */
160  	if (!CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
161  		return;
162  	printk(BIOS_SPEW, "0x%08x: notify_params->phase\n",
163  		notify_params->phase);
164  	printk(BIOS_SPEW, "Calling FspNotify: %p\n", notify);
165  	printk(BIOS_SPEW, "\t%p: notify_params\n", notify_params);
166  }
167  
168  void fsp_debug_after_notify(efi_return_status_t status)
169  {
170  	if (CONFIG(CHECK_GPIO_CONFIG_CHANGES))
171  		fsp_gpio_config_check(AFTER_FSP_CALL, "FSP Notify");
172  
173  	if (CONFIG(DISPLAY_FSP_CALLS_AND_STATUS))
174  		fsp_printk(status, BIOS_SPEW, "FspNotify");
175  
176  	/* Display the HOBs */
177  	if (CONFIG(DISPLAY_HOBS))
178  		fsp_display_hobs();
179  
180  	display_mtrrs();
181  }
182  
183  enum fsp_log_level fsp_get_pcd_debug_log_level(void)
184  {
185  	return get_uint_option("fsp_pcd_debug_level", fsp_map_console_log_level());
186  }
187  
188  enum fsp_log_level fsp_get_mrc_debug_log_level(void)
189  {
190  	return get_uint_option("fsp_mrc_debug_level", fsp_map_console_log_level());
191  }