1  /* SPDX-License-Identifier: GPL-2.0
2   *
3   * Copyright 2018-2023 HabanaLabs, Ltd.
4   * All Rights Reserved.
5   *
6   */
7  
8  #ifndef HL_BOOT_IF_H
9  #define HL_BOOT_IF_H
10  
11  #define LKD_HARD_RESET_MAGIC		0xED7BD694 /* deprecated - do not use */
12  #define HL_POWER9_HOST_MAGIC		0x1DA30009
13  
14  #define BOOT_FIT_SRAM_OFFSET		0x200000
15  
16  #define VERSION_MAX_LEN			128
17  
18  enum cpu_boot_err {
19  	CPU_BOOT_ERR_DRAM_INIT_FAIL = 0,
20  	CPU_BOOT_ERR_FIT_CORRUPTED = 1,
21  	CPU_BOOT_ERR_TS_INIT_FAIL = 2,
22  	CPU_BOOT_ERR_DRAM_SKIPPED = 3,
23  	CPU_BOOT_ERR_BMC_WAIT_SKIPPED = 4,
24  	CPU_BOOT_ERR_NIC_DATA_NOT_RDY = 5,
25  	CPU_BOOT_ERR_NIC_FW_FAIL = 6,
26  	CPU_BOOT_ERR_SECURITY_NOT_RDY = 7,
27  	CPU_BOOT_ERR_SECURITY_FAIL = 8,
28  	CPU_BOOT_ERR_EFUSE_FAIL = 9,
29  	CPU_BOOT_ERR_PRI_IMG_VER_FAIL = 10,
30  	CPU_BOOT_ERR_SEC_IMG_VER_FAIL = 11,
31  	CPU_BOOT_ERR_PLL_FAIL = 12,
32  	CPU_BOOT_ERR_DEVICE_UNUSABLE_FAIL = 13,
33  	CPU_BOOT_ERR_BOOT_FW_CRIT_ERR = 18,
34  	CPU_BOOT_ERR_BINNING_FAIL = 19,
35  	CPU_BOOT_ERR_TPM_FAIL = 20,
36  	CPU_BOOT_ERR_TMP_THRESH_INIT_FAIL = 21,
37  	CPU_BOOT_ERR_EEPROM_FAIL = 22,
38  	CPU_BOOT_ERR_ENG_ARC_MEM_SCRUB_FAIL = 23,
39  	CPU_BOOT_ERR_ENABLED = 31,
40  	CPU_BOOT_ERR_SCND_EN = 63,
41  	CPU_BOOT_ERR_LAST = 64 /* we have 2 registers of 32 bits */
42  };
43  
44  /*
45   * Mask for fatal failures
46   * This mask contains all possible fatal failures, and a dynamic code
47   * will clear the non-relevant ones.
48   */
49  #define CPU_BOOT_ERR_FATAL_MASK					\
50  		((1 << CPU_BOOT_ERR_DRAM_INIT_FAIL) |		\
51  		 (1 << CPU_BOOT_ERR_PLL_FAIL) |			\
52  		 (1 << CPU_BOOT_ERR_BINNING_FAIL) |		\
53  		 (1 << CPU_BOOT_ERR_DRAM_SKIPPED) |		\
54  		 (1 << CPU_BOOT_ERR_ENG_ARC_MEM_SCRUB_FAIL) |	\
55  		 (1 << CPU_BOOT_ERR_EEPROM_FAIL))
56  
57  /*
58   * CPU error bits in BOOT_ERROR registers
59   *
60   * CPU_BOOT_ERR0_DRAM_INIT_FAIL		DRAM initialization failed.
61   *					DRAM is not reliable to use.
62   *
63   * CPU_BOOT_ERR0_FIT_CORRUPTED		FIT data integrity verification of the
64   *					image provided by the host has failed.
65   *
66   * CPU_BOOT_ERR0_TS_INIT_FAIL		Thermal Sensor initialization failed.
67   *					Boot continues as usual, but keep in
68   *					mind this is a warning.
69   *
70   * CPU_BOOT_ERR0_DRAM_SKIPPED		DRAM initialization has been skipped.
71   *					Skipping DRAM initialization has been
72   *					requested (e.g. strap, command, etc.)
73   *					and FW skipped the DRAM initialization.
74   *					Host can initialize the DRAM.
75   *
76   * CPU_BOOT_ERR0_BMC_WAIT_SKIPPED	Waiting for BMC data will be skipped.
77   *					Meaning the BMC data might not be
78   *					available until reset.
79   *
80   * CPU_BOOT_ERR0_NIC_DATA_NOT_RDY	NIC data from BMC is not ready.
81   *					BMC has not provided the NIC data yet.
82   *					Once provided this bit will be cleared.
83   *
84   * CPU_BOOT_ERR0_NIC_FW_FAIL		NIC FW loading failed.
85   *					The NIC FW loading and initialization
86   *					failed. This means NICs are not usable.
87   *
88   * CPU_BOOT_ERR0_SECURITY_NOT_RDY	Chip security initialization has been
89   *					started, but is not ready yet - chip
90   *					cannot be accessed.
91   *
92   * CPU_BOOT_ERR0_SECURITY_FAIL		Security related tasks have failed.
93   *					The tasks are security init (root of
94   *					trust), boot authentication (chain of
95   *					trust), data packets authentication.
96   *
97   * CPU_BOOT_ERR0_EFUSE_FAIL		Reading from eFuse failed.
98   *					The PCI device ID might be wrong.
99   *
100   * CPU_BOOT_ERR0_PRI_IMG_VER_FAIL	Verification of primary image failed.
101   *					It mean that ppboot checksum
102   *					verification for the preboot primary
103   *					image has failed to match expected
104   *					checksum. Trying to program image again
105   *					might solve this.
106   *
107   * CPU_BOOT_ERR0_SEC_IMG_VER_FAIL	Verification of secondary image failed.
108   *					It mean that ppboot checksum
109   *					verification for the preboot secondary
110   *					image has failed to match expected
111   *					checksum. Trying to program image again
112   *					might solve this.
113   *
114   * CPU_BOOT_ERR0_PLL_FAIL		PLL settings failed, meaning that one
115   *					of the PLLs remains in REF_CLK
116   *
117   * CPU_BOOT_ERR0_DEVICE_UNUSABLE_FAIL	Device is unusable and customer support
118   *					should be contacted.
119   *
120   * CPU_BOOT_ERR0_BOOT_FW_CRIT_ERR	Critical error was detected during
121   *					the execution of ppboot or preboot.
122   *					for example: stack overflow.
123   *
124   * CPU_BOOT_ERR0_BINNING_FAIL		Binning settings failed, meaning
125   *					malfunctioning components might still be
126   *					in use.
127   *
128   * CPU_BOOT_ERR0_TPM_FAIL		TPM verification flow failed.
129   *
130   * CPU_BOOT_ERR0_TMP_THRESH_INIT_FAIL	Failed to set threshold for tmperature
131   *					sensor.
132   *
133   * CPU_BOOT_ERR_EEPROM_FAIL		Failed reading EEPROM data. Defaults
134   *					are used.
135   *
136   * CPU_BOOT_ERR_ENG_ARC_MEM_SCRUB_FAIL	Failed scrubbing the Engines/ARCFarm
137   *					memories. Boot disabled until reset.
138   *
139   * CPU_BOOT_ERR0_ENABLED		Error registers enabled.
140   *					This is a main indication that the
141   *					running FW populates the error
142   *					registers. Meaning the error bits are
143   *					not garbage, but actual error statuses.
144   */
145  #define CPU_BOOT_ERR0_DRAM_INIT_FAIL		(1 << CPU_BOOT_ERR_DRAM_INIT_FAIL)
146  #define CPU_BOOT_ERR0_FIT_CORRUPTED		(1 << CPU_BOOT_ERR_FIT_CORRUPTED)
147  #define CPU_BOOT_ERR0_TS_INIT_FAIL		(1 << CPU_BOOT_ERR_TS_INIT_FAIL)
148  #define CPU_BOOT_ERR0_DRAM_SKIPPED		(1 << CPU_BOOT_ERR_DRAM_SKIPPED)
149  #define CPU_BOOT_ERR0_BMC_WAIT_SKIPPED		(1 << CPU_BOOT_ERR_BMC_WAIT_SKIPPED)
150  #define CPU_BOOT_ERR0_NIC_DATA_NOT_RDY		(1 << CPU_BOOT_ERR_NIC_DATA_NOT_RDY)
151  #define CPU_BOOT_ERR0_NIC_FW_FAIL		(1 << CPU_BOOT_ERR_NIC_FW_FAIL)
152  #define CPU_BOOT_ERR0_SECURITY_NOT_RDY		(1 << CPU_BOOT_ERR_SECURITY_NOT_RDY)
153  #define CPU_BOOT_ERR0_SECURITY_FAIL		(1 << CPU_BOOT_ERR_SECURITY_FAIL)
154  #define CPU_BOOT_ERR0_EFUSE_FAIL		(1 << CPU_BOOT_ERR_EFUSE_FAIL)
155  #define CPU_BOOT_ERR0_PRI_IMG_VER_FAIL		(1 << CPU_BOOT_ERR_PRI_IMG_VER_FAIL)
156  #define CPU_BOOT_ERR0_SEC_IMG_VER_FAIL		(1 << CPU_BOOT_ERR_SEC_IMG_VER_FAIL)
157  #define CPU_BOOT_ERR0_PLL_FAIL			(1 << CPU_BOOT_ERR_PLL_FAIL)
158  #define CPU_BOOT_ERR0_DEVICE_UNUSABLE_FAIL	(1 << CPU_BOOT_ERR_DEVICE_UNUSABLE_FAIL)
159  #define CPU_BOOT_ERR0_BOOT_FW_CRIT_ERR		(1 << CPU_BOOT_ERR_BOOT_FW_CRIT_ERR)
160  #define CPU_BOOT_ERR0_BINNING_FAIL		(1 << CPU_BOOT_ERR_BINNING_FAIL)
161  #define CPU_BOOT_ERR0_TPM_FAIL			(1 << CPU_BOOT_ERR_TPM_FAIL)
162  #define CPU_BOOT_ERR0_TMP_THRESH_INIT_FAIL	(1 << CPU_BOOT_ERR_TMP_THRESH_INIT_FAIL)
163  #define CPU_BOOT_ERR0_EEPROM_FAIL		(1 << CPU_BOOT_ERR_EEPROM_FAIL)
164  #define CPU_BOOT_ERR0_ENG_ARC_MEM_SCRUB_FAIL	(1 << CPU_BOOT_ERR_ENG_ARC_MEM_SCRUB_FAIL)
165  #define CPU_BOOT_ERR0_ENABLED			(1 << CPU_BOOT_ERR_ENABLED)
166  #define CPU_BOOT_ERR1_ENABLED			(1 << CPU_BOOT_ERR_ENABLED)
167  
168  enum cpu_boot_dev_sts {
169  	CPU_BOOT_DEV_STS_SECURITY_EN = 0,
170  	CPU_BOOT_DEV_STS_DEBUG_EN = 1,
171  	CPU_BOOT_DEV_STS_WATCHDOG_EN = 2,
172  	CPU_BOOT_DEV_STS_DRAM_INIT_EN = 3,
173  	CPU_BOOT_DEV_STS_BMC_WAIT_EN = 4,
174  	CPU_BOOT_DEV_STS_E2E_CRED_EN = 5,
175  	CPU_BOOT_DEV_STS_HBM_CRED_EN = 6,
176  	CPU_BOOT_DEV_STS_RL_EN = 7,
177  	CPU_BOOT_DEV_STS_SRAM_SCR_EN = 8,
178  	CPU_BOOT_DEV_STS_DRAM_SCR_EN = 9,
179  	CPU_BOOT_DEV_STS_FW_HARD_RST_EN = 10,
180  	CPU_BOOT_DEV_STS_PLL_INFO_EN = 11,
181  	CPU_BOOT_DEV_STS_SP_SRAM_EN = 12,
182  	CPU_BOOT_DEV_STS_CLK_GATE_EN = 13,
183  	CPU_BOOT_DEV_STS_HBM_ECC_EN = 14,
184  	CPU_BOOT_DEV_STS_PKT_PI_ACK_EN = 15,
185  	CPU_BOOT_DEV_STS_FW_LD_COM_EN = 16,
186  	CPU_BOOT_DEV_STS_FW_IATU_CONF_EN = 17,
187  	CPU_BOOT_DEV_STS_FW_NIC_MAC_EN = 18,
188  	CPU_BOOT_DEV_STS_DYN_PLL_EN = 19,
189  	CPU_BOOT_DEV_STS_GIC_PRIVILEGED_EN = 20,
190  	CPU_BOOT_DEV_STS_EQ_INDEX_EN = 21,
191  	CPU_BOOT_DEV_STS_MULTI_IRQ_POLL_EN = 22,
192  	CPU_BOOT_DEV_STS_FW_NIC_STAT_XPCS91_EN = 23,
193  	CPU_BOOT_DEV_STS_FW_NIC_STAT_EXT_EN = 24,
194  	CPU_BOOT_DEV_STS_IS_IDLE_CHECK_EN = 25,
195  	CPU_BOOT_DEV_STS_MAP_HWMON_EN = 26,
196  	CPU_BOOT_DEV_STS_NIC_MEM_CLEAR_EN = 27,
197  	CPU_BOOT_DEV_STS_MMU_PGTBL_DRAM_EN = 28,
198  	CPU_BOOT_DEV_STS_ENABLED = 31,
199  	CPU_BOOT_DEV_STS_SCND_EN = 63,
200  	CPU_BOOT_DEV_STS_LAST = 64 /* we have 2 registers of 32 bits */
201  };
202  
203  /*
204   * BOOT DEVICE STATUS bits in BOOT_DEVICE_STS registers
205   *
206   * CPU_BOOT_DEV_STS0_SECURITY_EN	Security is Enabled.
207   *					This is an indication for security
208   *					enabled in FW, which means that
209   *					all conditions for security are met:
210   *					device is indicated as security enabled,
211   *					registers are protected, and device
212   *					uses keys for image verification.
213   *					Initialized in: preboot
214   *
215   * CPU_BOOT_DEV_STS0_DEBUG_EN		Debug is enabled.
216   *					Enabled when JTAG or DEBUG is enabled
217   *					in FW.
218   *					Initialized in: preboot
219   *
220   * CPU_BOOT_DEV_STS0_WATCHDOG_EN	Watchdog is enabled.
221   *					Watchdog is enabled in FW.
222   *					Initialized in: preboot
223   *
224   * CPU_BOOT_DEV_STS0_DRAM_INIT_EN	DRAM initialization is enabled.
225   *					DRAM initialization has been done in FW.
226   *					Initialized in: u-boot
227   *
228   * CPU_BOOT_DEV_STS0_BMC_WAIT_EN	Waiting for BMC data enabled.
229   *					If set, it means that during boot,
230   *					FW waited for BMC data.
231   *					Initialized in: u-boot
232   *
233   * CPU_BOOT_DEV_STS0_E2E_CRED_EN	E2E credits initialized.
234   *					FW initialized E2E credits.
235   *					Initialized in: u-boot
236   *
237   * CPU_BOOT_DEV_STS0_HBM_CRED_EN	HBM credits initialized.
238   *					FW initialized HBM credits.
239   *					Initialized in: u-boot
240   *
241   * CPU_BOOT_DEV_STS0_RL_EN		Rate limiter initialized.
242   *					FW initialized rate limiter.
243   *					Initialized in: u-boot
244   *
245   * CPU_BOOT_DEV_STS0_SRAM_SCR_EN	SRAM scrambler enabled.
246   *					FW initialized SRAM scrambler.
247   *					Initialized in: linux
248   *
249   * CPU_BOOT_DEV_STS0_DRAM_SCR_EN	DRAM scrambler enabled.
250   *					FW initialized DRAM scrambler.
251   *					Initialized in: u-boot
252   *
253   * CPU_BOOT_DEV_STS0_FW_HARD_RST_EN	FW hard reset procedure is enabled.
254   *					FW has the hard reset procedure
255   *					implemented. This means that FW will
256   *					perform hard reset procedure on
257   *					receiving the halt-machine event.
258   *					Initialized in: preboot, u-boot, linux
259   *
260   * CPU_BOOT_DEV_STS0_PLL_INFO_EN	FW retrieval of PLL info is enabled.
261   *					Initialized in: linux
262   *
263   * CPU_BOOT_DEV_STS0_SP_SRAM_EN		SP SRAM is initialized and available
264   *					for use.
265   *					Initialized in: preboot
266   *
267   * CPU_BOOT_DEV_STS0_CLK_GATE_EN	Clock Gating enabled.
268   *					FW initialized Clock Gating.
269   *					Initialized in: preboot
270   *
271   * CPU_BOOT_DEV_STS0_HBM_ECC_EN		HBM ECC handling Enabled.
272   *					FW handles HBM ECC indications.
273   *					Initialized in: linux
274   *
275   * CPU_BOOT_DEV_STS0_PKT_PI_ACK_EN	Packets ack value used in the armcpd
276   *					is set to the PI counter.
277   *					Initialized in: linux
278   *
279   * CPU_BOOT_DEV_STS0_FW_LD_COM_EN	Flexible FW loading communication
280   *					protocol is enabled.
281   *					Initialized in: preboot
282   *
283   * CPU_BOOT_DEV_STS0_FW_IATU_CONF_EN	FW iATU configuration is enabled.
284   *					This bit if set, means the iATU has been
285   *					configured and is ready for use.
286   *					Initialized in: ppboot
287   *
288   * CPU_BOOT_DEV_STS0_FW_NIC_MAC_EN	NIC MAC channels init is done by FW and
289   *					any access to them is done via the FW.
290   *					Initialized in: linux
291   *
292   * CPU_BOOT_DEV_STS0_DYN_PLL_EN		Dynamic PLL configuration is enabled.
293   *					FW sends to host a bitmap of supported
294   *					PLLs.
295   *					Initialized in: linux
296   *
297   * CPU_BOOT_DEV_STS0_GIC_PRIVILEGED_EN	GIC access permission only from
298   *					previleged entity. FW sets this status
299   *					bit for host. If this bit is set then
300   *					GIC can not be accessed from host.
301   *					Initialized in: linux
302   *
303   * CPU_BOOT_DEV_STS0_EQ_INDEX_EN	Event Queue (EQ) index is a running
304   *					index for each new event sent to host.
305   *					This is used as a method in host to
306   *					identify that the waiting event in
307   *					queue is actually a new event which
308   *					was not served before.
309   *					Initialized in: linux
310   *
311   * CPU_BOOT_DEV_STS0_MULTI_IRQ_POLL_EN	Use multiple scratchpad interfaces to
312   *					prevent IRQs overriding each other.
313   *					Initialized in: linux
314   *
315   * CPU_BOOT_DEV_STS0_FW_NIC_STAT_XPCS91_EN
316   *					NIC STAT and XPCS91 access is restricted
317   *					and is done via FW only.
318   *					Initialized in: linux
319   *
320   * CPU_BOOT_DEV_STS0_FW_NIC_STAT_EXT_EN
321   *					NIC STAT get all is supported.
322   *					Initialized in: linux
323   *
324   * CPU_BOOT_DEV_STS0_IS_IDLE_CHECK_EN
325   *					F/W checks if the device is idle by reading defined set
326   *					of registers. It returns a bitmask of all the engines,
327   *					where a bit is set if the engine is not idle.
328   *					Initialized in: linux
329   *
330   * CPU_BOOT_DEV_STS0_MAP_HWMON_EN
331   *					If set, means f/w supports proprietary
332   *					HWMON enum mapping to cpucp enums.
333   *					Initialized in: linux
334   *
335   * CPU_BOOT_DEV_STS0_NIC_MEM_CLEAR_EN
336   *					If set, means f/w supports nic hbm memory clear and
337   *					tmr,txs hbm memory init.
338   *					Initialized in: zephyr-mgmt
339   *
340   * CPU_BOOT_DEV_STS_MMU_PGTBL_DRAM_EN
341   *					MMU page tables are located in DRAM.
342   *					F/W initializes security settings for MMU
343   *					page tables to reside in DRAM.
344   *					Initialized in: zephyr-mgmt
345   *
346   * CPU_BOOT_DEV_STS0_ENABLED		Device status register enabled.
347   *					This is a main indication that the
348   *					running FW populates the device status
349   *					register. Meaning the device status
350   *					bits are not garbage, but actual
351   *					statuses.
352   *					Initialized in: preboot
353   *
354   */
355  #define CPU_BOOT_DEV_STS0_SECURITY_EN		(1 << CPU_BOOT_DEV_STS_SECURITY_EN)
356  #define CPU_BOOT_DEV_STS0_DEBUG_EN		(1 << CPU_BOOT_DEV_STS_DEBUG_EN)
357  #define CPU_BOOT_DEV_STS0_WATCHDOG_EN		(1 << CPU_BOOT_DEV_STS_WATCHDOG_EN)
358  #define CPU_BOOT_DEV_STS0_DRAM_INIT_EN		(1 << CPU_BOOT_DEV_STS_DRAM_INIT_EN)
359  #define CPU_BOOT_DEV_STS0_BMC_WAIT_EN		(1 << CPU_BOOT_DEV_STS_BMC_WAIT_EN)
360  #define CPU_BOOT_DEV_STS0_E2E_CRED_EN		(1 << CPU_BOOT_DEV_STS_E2E_CRED_EN)
361  #define CPU_BOOT_DEV_STS0_HBM_CRED_EN		(1 << CPU_BOOT_DEV_STS_HBM_CRED_EN)
362  #define CPU_BOOT_DEV_STS0_RL_EN			(1 << CPU_BOOT_DEV_STS_RL_EN)
363  #define CPU_BOOT_DEV_STS0_SRAM_SCR_EN		(1 << CPU_BOOT_DEV_STS_SRAM_SCR_EN)
364  #define CPU_BOOT_DEV_STS0_DRAM_SCR_EN		(1 << CPU_BOOT_DEV_STS_DRAM_SCR_EN)
365  #define CPU_BOOT_DEV_STS0_FW_HARD_RST_EN	(1 << CPU_BOOT_DEV_STS_FW_HARD_RST_EN)
366  #define CPU_BOOT_DEV_STS0_PLL_INFO_EN		(1 << CPU_BOOT_DEV_STS_PLL_INFO_EN)
367  #define CPU_BOOT_DEV_STS0_SP_SRAM_EN		(1 << CPU_BOOT_DEV_STS_SP_SRAM_EN)
368  #define CPU_BOOT_DEV_STS0_CLK_GATE_EN		(1 << CPU_BOOT_DEV_STS_CLK_GATE_EN)
369  #define CPU_BOOT_DEV_STS0_HBM_ECC_EN		(1 << CPU_BOOT_DEV_STS_HBM_ECC_EN)
370  #define CPU_BOOT_DEV_STS0_PKT_PI_ACK_EN		(1 << CPU_BOOT_DEV_STS_PKT_PI_ACK_EN)
371  #define CPU_BOOT_DEV_STS0_FW_LD_COM_EN		(1 << CPU_BOOT_DEV_STS_FW_LD_COM_EN)
372  #define CPU_BOOT_DEV_STS0_FW_IATU_CONF_EN	(1 << CPU_BOOT_DEV_STS_FW_IATU_CONF_EN)
373  #define CPU_BOOT_DEV_STS0_FW_NIC_MAC_EN		(1 << CPU_BOOT_DEV_STS_FW_NIC_MAC_EN)
374  #define CPU_BOOT_DEV_STS0_DYN_PLL_EN		(1 << CPU_BOOT_DEV_STS_DYN_PLL_EN)
375  #define CPU_BOOT_DEV_STS0_GIC_PRIVILEGED_EN	(1 << CPU_BOOT_DEV_STS_GIC_PRIVILEGED_EN)
376  #define CPU_BOOT_DEV_STS0_EQ_INDEX_EN		(1 << CPU_BOOT_DEV_STS_EQ_INDEX_EN)
377  #define CPU_BOOT_DEV_STS0_MULTI_IRQ_POLL_EN	(1 << CPU_BOOT_DEV_STS_MULTI_IRQ_POLL_EN)
378  #define CPU_BOOT_DEV_STS0_FW_NIC_STAT_XPCS91_EN	(1 << CPU_BOOT_DEV_STS_FW_NIC_STAT_XPCS91_EN)
379  #define CPU_BOOT_DEV_STS0_FW_NIC_STAT_EXT_EN	(1 << CPU_BOOT_DEV_STS_FW_NIC_STAT_EXT_EN)
380  #define CPU_BOOT_DEV_STS0_IS_IDLE_CHECK_EN	(1 << CPU_BOOT_DEV_STS_IS_IDLE_CHECK_EN)
381  #define CPU_BOOT_DEV_STS0_MAP_HWMON_EN		(1 << CPU_BOOT_DEV_STS_MAP_HWMON_EN)
382  #define CPU_BOOT_DEV_STS0_NIC_MEM_CLEAR_EN	(1 << CPU_BOOT_DEV_STS_NIC_MEM_CLEAR_EN)
383  #define CPU_BOOT_DEV_STS0_MMU_PGTBL_DRAM_EN	(1 << CPU_BOOT_DEV_STS_MMU_PGTBL_DRAM_EN)
384  #define CPU_BOOT_DEV_STS0_ENABLED		(1 << CPU_BOOT_DEV_STS_ENABLED)
385  #define CPU_BOOT_DEV_STS1_ENABLED		(1 << CPU_BOOT_DEV_STS_ENABLED)
386  
387  enum cpu_boot_status {
388  	CPU_BOOT_STATUS_NA = 0,		/* Default value after reset of chip */
389  	CPU_BOOT_STATUS_IN_WFE = 1,
390  	CPU_BOOT_STATUS_DRAM_RDY = 2,
391  	CPU_BOOT_STATUS_SRAM_AVAIL = 3,
392  	CPU_BOOT_STATUS_IN_BTL = 4,	/* BTL is H/W FSM */
393  	CPU_BOOT_STATUS_IN_PREBOOT = 5,
394  	CPU_BOOT_STATUS_IN_SPL,		/* deprecated - not reported */
395  	CPU_BOOT_STATUS_IN_UBOOT = 7,
396  	CPU_BOOT_STATUS_DRAM_INIT_FAIL,	/* deprecated - will be removed */
397  	CPU_BOOT_STATUS_FIT_CORRUPTED,	/* deprecated - will be removed */
398  	/* U-Boot console prompt activated, commands are not processed */
399  	CPU_BOOT_STATUS_UBOOT_NOT_READY = 10,
400  	/* Finished NICs init, reported after DRAM and NICs */
401  	CPU_BOOT_STATUS_NIC_FW_RDY = 11,
402  	CPU_BOOT_STATUS_TS_INIT_FAIL,	/* deprecated - will be removed */
403  	CPU_BOOT_STATUS_DRAM_SKIPPED,	/* deprecated - will be removed */
404  	CPU_BOOT_STATUS_BMC_WAITING_SKIPPED, /* deprecated - will be removed */
405  	/* Last boot loader progress status, ready to receive commands */
406  	CPU_BOOT_STATUS_READY_TO_BOOT = 15,
407  	/* Internal Boot finished, ready for boot-fit */
408  	CPU_BOOT_STATUS_WAITING_FOR_BOOT_FIT = 16,
409  	/* Internal Security has been initialized, device can be accessed */
410  	CPU_BOOT_STATUS_SECURITY_READY = 17,
411  	/* FW component is preparing to shutdown and communication with host is not available */
412  	CPU_BOOT_STATUS_FW_SHUTDOWN_PREP = 18,
413  };
414  
415  enum kmd_msg {
416  	KMD_MSG_NA = 0,
417  	KMD_MSG_GOTO_WFE,
418  	KMD_MSG_FIT_RDY,
419  	KMD_MSG_SKIP_BMC,
420  	RESERVED,
421  	KMD_MSG_RST_DEV,
422  	KMD_MSG_LAST
423  };
424  
425  enum cpu_msg_status {
426  	CPU_MSG_CLR = 0,
427  	CPU_MSG_OK,
428  	CPU_MSG_ERR,
429  };
430  
431  /* communication registers mapping - consider ABI when changing */
432  struct cpu_dyn_regs {
433  	__le32 cpu_pq_base_addr_low;
434  	__le32 cpu_pq_base_addr_high;
435  	__le32 cpu_pq_length;
436  	__le32 cpu_pq_init_status;
437  	__le32 cpu_eq_base_addr_low;
438  	__le32 cpu_eq_base_addr_high;
439  	__le32 cpu_eq_length;
440  	__le32 cpu_eq_ci;
441  	__le32 cpu_cq_base_addr_low;
442  	__le32 cpu_cq_base_addr_high;
443  	__le32 cpu_cq_length;
444  	__le32 cpu_pf_pq_pi;
445  	__le32 cpu_boot_dev_sts0;
446  	__le32 cpu_boot_dev_sts1;
447  	__le32 cpu_boot_err0;
448  	__le32 cpu_boot_err1;
449  	__le32 cpu_boot_status;
450  	__le32 fw_upd_sts;
451  	__le32 fw_upd_cmd;
452  	__le32 fw_upd_pending_sts;
453  	__le32 fuse_ver_offset;
454  	__le32 preboot_ver_offset;
455  	__le32 uboot_ver_offset;
456  	__le32 hw_state;
457  	__le32 kmd_msg_to_cpu;
458  	__le32 cpu_cmd_status_to_host;
459  	__le32 gic_host_pi_upd_irq;
460  	__le32 gic_tpc_qm_irq_ctrl;
461  	__le32 gic_mme_qm_irq_ctrl;
462  	__le32 gic_dma_qm_irq_ctrl;
463  	__le32 gic_nic_qm_irq_ctrl;
464  	__le32 gic_dma_core_irq_ctrl;
465  	__le32 gic_host_halt_irq;
466  	__le32 gic_host_ints_irq;
467  	__le32 reserved0;
468  	__le32 gic_rot_qm_irq_ctrl;
469  	__le32 reserved1;
470  	__le32 eng_arc_irq_ctrl;
471  	__le32 reserved2[20];		/* reserve for future use */
472  };
473  
474  /* TODO: remove the desc magic after the code is updated to use message */
475  /* HCDM - Habana Communications Descriptor Magic */
476  #define HL_COMMS_DESC_MAGIC	0x4843444D
477  #define HL_COMMS_DESC_VER	3
478  
479  /* HCMv - Habana Communications Message + header version */
480  #define HL_COMMS_MSG_MAGIC_VALUE	0x48434D00
481  #define HL_COMMS_MSG_MAGIC_MASK		0xFFFFFF00
482  #define HL_COMMS_MSG_MAGIC_VER_MASK	0xFF
483  
484  #define HL_COMMS_MSG_MAGIC_VER(ver)	(HL_COMMS_MSG_MAGIC_VALUE |	\
485  					((ver) & HL_COMMS_MSG_MAGIC_VER_MASK))
486  #define HL_COMMS_MSG_MAGIC_V0		HL_COMMS_DESC_MAGIC
487  #define HL_COMMS_MSG_MAGIC_V1		HL_COMMS_MSG_MAGIC_VER(1)
488  #define HL_COMMS_MSG_MAGIC_V2		HL_COMMS_MSG_MAGIC_VER(2)
489  #define HL_COMMS_MSG_MAGIC_V3		HL_COMMS_MSG_MAGIC_VER(3)
490  
491  #define HL_COMMS_MSG_MAGIC		HL_COMMS_MSG_MAGIC_V3
492  
493  #define HL_COMMS_MSG_MAGIC_VALIDATE_MAGIC(magic)			\
494  		(((magic) & HL_COMMS_MSG_MAGIC_MASK) ==			\
495  		HL_COMMS_MSG_MAGIC_VALUE)
496  
497  #define HL_COMMS_MSG_MAGIC_VALIDATE_VERSION(magic, ver)			\
498  		(((magic) & HL_COMMS_MSG_MAGIC_VER_MASK) >=		\
499  		((ver) & HL_COMMS_MSG_MAGIC_VER_MASK))
500  
501  #define HL_COMMS_MSG_MAGIC_VALIDATE(magic, ver)				\
502  		(HL_COMMS_MSG_MAGIC_VALIDATE_MAGIC((magic)) &&		\
503  		HL_COMMS_MSG_MAGIC_VALIDATE_VERSION((magic), (ver)))
504  
505  enum comms_msg_type {
506  	HL_COMMS_DESC_TYPE = 0,
507  	HL_COMMS_RESET_CAUSE_TYPE = 1,
508  	HL_COMMS_FW_CFG_SKIP_TYPE = 2,
509  	HL_COMMS_BINNING_CONF_TYPE = 3,
510  };
511  
512  /*
513   * Binning information shared between LKD and FW
514   * @tpc_mask_l - TPC binning information lower 64 bit
515   * @dec_mask - Decoder binning information
516   * @dram_mask - DRAM binning information
517   * @edma_mask - EDMA binning information
518   * @mme_mask_l - MME binning information lower 32
519   * @mme_mask_h - MME binning information upper 32
520   * @rot_mask - Rotator binning information
521   * @xbar_mask - xBAR binning information
522   * @reserved - reserved field for future binning info w/o ABI change
523   * @tpc_mask_h - TPC binning information upper 64 bit
524   * @nic_mask - NIC binning information
525   */
526  struct lkd_fw_binning_info {
527  	__le64 tpc_mask_l;
528  	__le32 dec_mask;
529  	__le32 dram_mask;
530  	__le32 edma_mask;
531  	__le32 mme_mask_l;
532  	__le32 mme_mask_h;
533  	__le32 rot_mask;
534  	__le32 xbar_mask;
535  	__le32 reserved0;
536  	__le64 tpc_mask_h;
537  	__le64 nic_mask;
538  	__le32 reserved1[8];
539  };
540  
541  /* TODO: remove this struct after the code is updated to use message */
542  /* this is the comms descriptor header - meta data */
543  struct comms_desc_header {
544  	__le32 magic;		/* magic for validation */
545  	__le32 crc32;		/* CRC32 of the descriptor w/o header */
546  	__le16 size;		/* size of the descriptor w/o header */
547  	__u8 version;	/* descriptor version */
548  	__u8 reserved[5];	/* pad to 64 bit */
549  };
550  
551  /* this is the comms message header - meta data */
552  struct comms_msg_header {
553  	__le32 magic;		/* magic for validation */
554  	__le32 crc32;		/* CRC32 of the message w/o header */
555  	__le16 size;		/* size of the message w/o header */
556  	__u8 version;	/* message payload version */
557  	__u8 type;		/* message type */
558  	__u8 reserved[4];	/* pad to 64 bit */
559  };
560  
561  enum lkd_fw_ascii_msg_lvls {
562  	LKD_FW_ASCII_MSG_ERR = 0,
563  	LKD_FW_ASCII_MSG_WRN = 1,
564  	LKD_FW_ASCII_MSG_INF = 2,
565  	LKD_FW_ASCII_MSG_DBG = 3,
566  };
567  
568  #define LKD_FW_ASCII_MSG_MAX_LEN		128
569  #define LKD_FW_ASCII_MSG_MAX			4	/* consider ABI when changing */
570  #define LKD_FW_ASCII_MSG_MIN_DESC_VERSION	3
571  
572  struct lkd_fw_ascii_msg {
573  	__u8 valid;
574  	__u8 msg_lvl;
575  	__u8 reserved[6];
576  	char msg[LKD_FW_ASCII_MSG_MAX_LEN];
577  };
578  
579  /* this is the main FW descriptor - consider ABI when changing */
580  struct lkd_fw_comms_desc {
581  	struct comms_desc_header header;
582  	struct cpu_dyn_regs cpu_dyn_regs;
583  	char fuse_ver[VERSION_MAX_LEN];
584  	char cur_fw_ver[VERSION_MAX_LEN];
585  	/* can be used for 1 more version w/o ABI change */
586  	char reserved0[VERSION_MAX_LEN];
587  	__le64 img_addr;	/* address for next FW component load */
588  	struct lkd_fw_binning_info binning_info;
589  	struct lkd_fw_ascii_msg ascii_msg[LKD_FW_ASCII_MSG_MAX];
590  	__le32 rsvd_mem_size_mb; /* reserved memory size [MB] for FW/SVE */
591  	char reserved1[4];
592  };
593  
594  enum comms_reset_cause {
595  	HL_RESET_CAUSE_UNKNOWN = 0,
596  	HL_RESET_CAUSE_HEARTBEAT = 1,
597  	HL_RESET_CAUSE_TDR = 2,
598  };
599  
600  /* TODO: remove define after struct name is aligned on all projects */
601  #define lkd_msg_comms lkd_fw_comms_msg
602  
603  /* this is the comms message descriptor */
604  struct lkd_fw_comms_msg {
605  	struct comms_msg_header header;
606  	/* union for future expantions of new messages */
607  	union {
608  		struct {
609  			struct cpu_dyn_regs cpu_dyn_regs;
610  			char fuse_ver[VERSION_MAX_LEN];
611  			char cur_fw_ver[VERSION_MAX_LEN];
612  			/* can be used for 1 more version w/o ABI change */
613  			char reserved0[VERSION_MAX_LEN];
614  			/* address for next FW component load */
615  			__le64 img_addr;
616  			struct lkd_fw_binning_info binning_info;
617  			struct lkd_fw_ascii_msg ascii_msg[LKD_FW_ASCII_MSG_MAX];
618  			/* reserved memory size [MB] for FW/SVE */
619  			__le32 rsvd_mem_size_mb;
620  			char reserved1[4];
621  		};
622  		struct {
623  			__u8 reset_cause;
624  		};
625  		struct {
626  			__u8 fw_cfg_skip; /* 1 - skip, 0 - don't skip */
627  		};
628  		struct lkd_fw_binning_info binning_conf;
629  	};
630  };
631  
632  /*
633   * LKD commands:
634   *
635   * COMMS_NOOP			Used to clear the command register and no actual
636   *				command is send.
637   *
638   * COMMS_CLR_STS		Clear status command - FW should clear the
639   *				status register. Used for synchronization
640   *				between the commands as part of the race free
641   *				protocol.
642   *
643   * COMMS_RST_STATE		Reset the current communication state which is
644   *				kept by FW for proper responses.
645   *				Should be used in the beginning of the
646   *				communication cycle to clean any leftovers from
647   *				previous communication attempts.
648   *
649   * COMMS_PREP_DESC		Prepare descriptor for setting up the
650   *				communication and other dynamic data:
651   *				struct lkd_fw_comms_desc.
652   *				This command has a parameter stating the next FW
653   *				component size, so the FW can actually prepare a
654   *				space for it and in the status response provide
655   *				the descriptor offset. The Offset of the next FW
656   *				data component is a part of the descriptor
657   *				structure.
658   *
659   * COMMS_DATA_RDY		The FW data has been uploaded and is ready for
660   *				validation.
661   *
662   * COMMS_EXEC			Execute the next FW component.
663   *
664   * COMMS_RST_DEV		Reset the device.
665   *
666   * COMMS_GOTO_WFE		Execute WFE command. Allowed only on non-secure
667   *				devices.
668   *
669   * COMMS_SKIP_BMC		Perform actions required for BMC-less servers.
670   *				Do not wait for BMC response.
671   *
672   * COMMS_PREP_DESC_ELBI		Same as COMMS_PREP_DESC only that the memory
673   *				space is allocated in a ELBI access only
674   *				address range.
675   *
676   */
677  enum comms_cmd {
678  	COMMS_NOOP = 0,
679  	COMMS_CLR_STS = 1,
680  	COMMS_RST_STATE = 2,
681  	COMMS_PREP_DESC = 3,
682  	COMMS_DATA_RDY = 4,
683  	COMMS_EXEC = 5,
684  	COMMS_RST_DEV = 6,
685  	COMMS_GOTO_WFE = 7,
686  	COMMS_SKIP_BMC = 8,
687  	COMMS_PREP_DESC_ELBI = 10,
688  	COMMS_INVLD_LAST
689  };
690  
691  #define COMMS_COMMAND_SIZE_SHIFT	0
692  #define COMMS_COMMAND_SIZE_MASK		0x1FFFFFF
693  #define COMMS_COMMAND_CMD_SHIFT		27
694  #define COMMS_COMMAND_CMD_MASK		0xF8000000
695  
696  /*
697   * LKD command to FW register structure
698   * @size	- FW component size
699   * @cmd		- command from enum comms_cmd
700   */
701  struct comms_command {
702  	union {		/* bit fields are only for FW use */
703  		struct {
704  			u32 size :25;		/* 32MB max. */
705  			u32 reserved :2;
706  			enum comms_cmd cmd :5;		/* 32 commands */
707  		};
708  		__le32 val;
709  	};
710  };
711  
712  /*
713   * FW status
714   *
715   * COMMS_STS_NOOP		Used to clear the status register and no actual
716   *				status is provided.
717   *
718   * COMMS_STS_ACK		Command has been received and recognized.
719   *
720   * COMMS_STS_OK			Command execution has finished successfully.
721   *
722   * COMMS_STS_ERR		Command execution was unsuccessful and resulted
723   *				in error.
724   *
725   * COMMS_STS_VALID_ERR		FW validation has failed.
726   *
727   * COMMS_STS_TIMEOUT_ERR	Command execution has timed out.
728   */
729  enum comms_sts {
730  	COMMS_STS_NOOP = 0,
731  	COMMS_STS_ACK = 1,
732  	COMMS_STS_OK = 2,
733  	COMMS_STS_ERR = 3,
734  	COMMS_STS_VALID_ERR = 4,
735  	COMMS_STS_TIMEOUT_ERR = 5,
736  	COMMS_STS_INVLD_LAST
737  };
738  
739  /* RAM types for FW components loading - defines the base address */
740  enum comms_ram_types {
741  	COMMS_SRAM = 0,
742  	COMMS_DRAM = 1,
743  };
744  
745  #define COMMS_STATUS_OFFSET_SHIFT	0
746  #define COMMS_STATUS_OFFSET_MASK	0x03FFFFFF
747  #define COMMS_STATUS_OFFSET_ALIGN_SHIFT	2
748  #define COMMS_STATUS_RAM_TYPE_SHIFT	26
749  #define COMMS_STATUS_RAM_TYPE_MASK	0x0C000000
750  #define COMMS_STATUS_STATUS_SHIFT	28
751  #define COMMS_STATUS_STATUS_MASK	0xF0000000
752  
753  /*
754   * FW status to LKD register structure
755   * @offset	- an offset from the base of the ram_type shifted right by
756   *		  2 bits (always aligned to 32 bits).
757   *		  Allows a maximum addressable offset of 256MB from RAM base.
758   *		  Example: for real offset in RAM of 0x800000 (8MB), the value
759   *		  in offset field is (0x800000 >> 2) = 0x200000.
760   * @ram_type	- the RAM type that should be used for offset from
761   *		  enum comms_ram_types
762   * @status	- status from enum comms_sts
763   */
764  struct comms_status {
765  	union {		/* bit fields are only for FW use */
766  		struct {
767  			u32 offset :26;
768  			enum comms_ram_types ram_type :2;
769  			enum comms_sts status :4;	/* 16 statuses */
770  		};
771  		__le32 val;
772  	};
773  };
774  
775  #define NAME_MAX_LEN	32 /* bytes */
776  struct hl_module_data {
777  	__u8 name[NAME_MAX_LEN];
778  	__u8 version[VERSION_MAX_LEN];
779  };
780  
781  /**
782   * struct hl_component_versions - versions associated with hl component.
783   * @struct_size: size of all the struct (including dynamic size of modules).
784   * @modules_offset: offset of the modules field in this struct.
785   * @component: version of the component itself.
786   * @fw_os: Firmware OS Version.
787   * @comp_name: Name of the component.
788   * @modules_counter: number of set bits in modules_mask.
789   * @reserved: reserved for future use.
790   * @modules: versions of the component's modules. Elborated explanation in
791   *              struct cpucp_versions.
792   */
793  struct hl_component_versions {
794  	__le16 struct_size;
795  	__le16 modules_offset;
796  	__u8 component[VERSION_MAX_LEN];
797  	__u8 fw_os[VERSION_MAX_LEN];
798  	__u8 comp_name[NAME_MAX_LEN];
799  	__u8 modules_counter;
800  	__u8 reserved[3];
801  	struct hl_module_data modules[];
802  };
803  
804  /* Max size of fit size */
805  #define HL_FW_VERSIONS_FIT_SIZE	4096
806  
807  #endif /* HL_BOOT_IF_H */
808