1 /*
2  * Copyright (c) 2019-2020, Broadcom
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <common/debug.h>
8 #include <drivers/console.h>
9 #include <drivers/delay_timer.h>
10 #include <lib/mmio.h>
11 #include <plat/common/common_def.h>
12 
13 #include <fsx.h>
14 #include <platform_def.h>
15 #include <sr_utils.h>
16 
17 #define FS4_IDM_IO_CONTROL_DIRECT__SRAM_CLK_EN		0
18 
19 #define FS4_IDM_IO_CONTROL_DIRECT__MEM_POWERON		11
20 #define FS4_IDM_IO_CONTROL_DIRECT__MEM_POWEROK		12
21 #define FS4_IDM_IO_CONTROL_DIRECT__MEM_ARRPOWERON	13
22 #define FS4_IDM_IO_CONTROL_DIRECT__MEM_ARRPOWEROK	14
23 #define FS4_IDM_IO_CONTROL_DIRECT__MEM_ISO		15
24 #define FS4_IDM_IO_CONTROL_DIRECT__CLK_EN		31
25 
26 #define FS4_IDM_IO_STATUS__MEM_POWERON			0
27 #define FS4_IDM_IO_STATUS__MEM_POWEROK			1
28 #define FS4_IDM_IO_STATUS__MEM_ARRPOWERON		2
29 #define FS4_IDM_IO_STATUS__MEM_ARRPOWEROK		3
30 #define FS4_IDM_IO_STATUS__MEM_ALLOK			0xf
31 
32 #define FS4_IDM_RESET_CONTROL__RESET			0
33 
34 #define FSX_RINGx_BASE(__b, __i)			\
35 		((__b) + (__i) * 0x10000)
36 
37 #define FSX_RINGx_VERSION_NUMBER(__b, __i)		\
38 		(FSX_RINGx_BASE(__b, __i) + 0x0)
39 
40 #define FSX_RINGx_MSI_DEV_ID(__b, __i)			\
41 		(FSX_RINGx_BASE(__b, __i) + 0x44)
42 
43 #define FSX_COMM_RINGx_BASE(__b, __i)			\
44 		((__b) + 0x200000 + (__i) * 0x100)
45 
46 #define FSX_COMM_RINGx_CONTROL(__b, __i)		\
47 		(FSX_COMM_RINGx_BASE(__b, __i) + 0x0)
48 #define FSX_COMM_RINGx_CONTROL__AXI_ID			8
49 #define FSX_COMM_RINGx_CONTROL__AXI_ID_MASK		0x1f
50 #define FSX_COMM_RINGx_CONTROL__PRIORITY		4
51 #define FSX_COMM_RINGx_CONTROL__PRIORITY_MASK		0x7
52 #define FSX_COMM_RINGx_CONTROL__AE_GROUP		0
53 #define FSX_COMM_RINGx_CONTROL__AE_GROUP_MASK		0x7
54 
55 #define FSX_COMM_RINGx_MSI_DEV_ID(__b, __i)		\
56 		(FSX_COMM_RINGx_BASE(__b, __i) + 0x4)
57 
58 #define FSX_AEx_BASE(__b, __i)				\
59 		((__b) + 0x202000 + (__i) * 0x100)
60 
61 #define FSX_AEx_CONTROL_REGISTER(__b, __i)		\
62 		(FSX_AEx_BASE(__b, __i) + 0x0)
63 #define FSX_AEx_CONTROL_REGISTER__ACTIVE		4
64 #define FSX_AEx_CONTROL_REGISTER__GROUP_ID		0
65 #define FSX_AEx_CONTROL_REGISTER__GROUP_ID_MASK		0x7
66 
67 #define FSX_COMM_RM_RING_SECURITY_SETTING		0x0
68 
69 #define FSX_COMM_RM_SSID_CONTROL			0x4
70 #define FSX_COMM_RM_SSID_CONTROL__RING_BITS		5
71 #define FSX_COMM_RM_SSID_CONTROL__MASK			0x3ff
72 
73 #define FSX_COMM_RM_CONTROL_REGISTER			0x8
74 #define FSX_COMM_RM_CONTROL_REGISTER__CONFIG_DONE	2
75 #define FSX_COMM_RM_CONTROL_REGISTER__AE_TIMEOUT	5
76 #define FSX_COMM_RM_CONTROL_REGISTER__AE_LOCKING	7
77 
78 #define FSX_COMM_RM_TIMER_CONTROL_0			0xc
79 #define FSX_COMM_RM_TIMER_CONTROL_0__FAST		16
80 #define FSX_COMM_RM_TIMER_CONTROL_0__MEDIUM		0
81 
82 #define FSX_COMM_RM_TIMER_CONTROL_1			0x10
83 #define FSX_COMM_RM_TIMER_CONTROL_1__SLOW		16
84 #define FSX_COMM_RM_TIMER_CONTROL_1__IDLE		0
85 
86 #define FSX_COMM_RM_BURST_BD_THRESHOLD			0x14
87 #define FSX_COMM_RM_BURST_BD_THRESHOLD_LOW		0
88 #define FSX_COMM_RM_BURST_BD_THRESHOLD_HIGH		16
89 
90 #define FSX_COMM_RM_BURST_LENGTH			0x18
91 #define FSX_COMM_RM_BURST_LENGTH__FOR_DDR_ADDR_GEN	16
92 #define FSX_COMM_RM_BURST_LENGTH__FOR_DDR_ADDR_GEN_MASK	0x1ff
93 #define FSX_COMM_RM_BURST_LENGTH__FOR_TOGGLE		0
94 #define FSX_COMM_RM_BURST_LENGTH__FOR_TOGGLE_MASK	0x1ff
95 
96 #define FSX_COMM_RM_FIFO_THRESHOLD			0x1c
97 #define FSX_COMM_RM_FIFO_THRESHOLD__BD_FIFO_FULL	16
98 #define FSX_COMM_RM_FIFO_THRESHOLD__BD_FIFO_FULL_MASK	0x1ff
99 #define FSX_COMM_RM_FIFO_THRESHOLD__AE_FIFO_FULL	0
100 #define FSX_COMM_RM_FIFO_THRESHOLD__AE_FIFO_FULL_MASK	0x1f
101 
102 #define FSX_COMM_RM_AE_TIMEOUT				0x24
103 
104 #define FSX_COMM_RM_RING_FLUSH_TIMEOUT			0x2c
105 
106 #define FSX_COMM_RM_MEMORY_CONFIGURATION		0x30
107 #define FSX_COMM_RM_MEMORY_CONFIGURATION__ARRPOWERONIN	12
108 #define FSX_COMM_RM_MEMORY_CONFIGURATION__ARRPOWEROKIN	13
109 #define FSX_COMM_RM_MEMORY_CONFIGURATION__POWERONIN	14
110 #define FSX_COMM_RM_MEMORY_CONFIGURATION__POWEROKIN	15
111 
112 #define FSX_COMM_RM_AXI_CONTROL				0x34
113 #define FSX_COMM_RM_AXI_CONTROL__WRITE_CHANNEL_EN	28
114 #define FSX_COMM_RM_AXI_CONTROL__READ_CHANNEL_EN	24
115 #define FSX_COMM_RM_AXI_CONTROL__AWQOS			20
116 #define FSX_COMM_RM_AXI_CONTROL__ARQOS			16
117 #define FSX_COMM_RM_AXI_CONTROL__AWPROT			12
118 #define FSX_COMM_RM_AXI_CONTROL__ARPROT			8
119 #define FSX_COMM_RM_AXI_CONTROL__AWCACHE		4
120 #define FSX_COMM_RM_AXI_CONTROL__ARCACHE		0
121 
122 #define FSX_COMM_RM_CONFIG_INTERRUPT_STATUS_CLEAR	0x48
123 
124 #define FSX_COMM_RM_GROUP_PKT_EXTENSION_SUPPORT		0xc0
125 
126 #define FSX_COMM_RM_AXI_READ_BURST_THRESHOLD		0xc8
127 #define FSX_COMM_RM_AXI_READ_BURST_THRESHOLD__MASK	0x1ff
128 #define FSX_COMM_RM_AXI_READ_BURST_THRESHOLD__MAX	16
129 #define FSX_COMM_RM_AXI_READ_BURST_THRESHOLD__MIN	0
130 
131 #define FSX_COMM_RM_GROUP_RING_COUNT			0xcc
132 
133 #define FSX_COMM_RM_MAIN_HW_INIT_DONE			0x12c
134 #define FSX_COMM_RM_MAIN_HW_INIT_DONE__MASK		0x1
135 
136 #define FSX_DMEx_BASE(__b, __i)				\
137 		((__b) + (__i) * 0x1000)
138 
139 #define FSX_DMEx_AXI_CONTROL(__b, __i)			\
140 		(FSX_DMEx_BASE(__b, __i) + 0x4)
141 #define FSX_DMEx_AXI_CONTROL__WRITE_CHANNEL_EN		28
142 #define FSX_DMEx_AXI_CONTROL__READ_CHANNEL_EN		24
143 #define FSX_DMEx_AXI_CONTROL__AWQOS			20
144 #define FSX_DMEx_AXI_CONTROL__ARQOS			16
145 #define FSX_DMEx_AXI_CONTROL__AWCACHE			4
146 #define FSX_DMEx_AXI_CONTROL__ARCACHE			0
147 
148 #define FSX_DMEx_WR_FIFO_THRESHOLD(__b, __i)		\
149 		(FSX_DMEx_BASE(__b, __i) + 0xc)
150 #define FSX_DMEx_WR_FIFO_THRESHOLD__MASK		0x3ff
151 #define FSX_DMEx_WR_FIFO_THRESHOLD__MAX			10
152 #define FSX_DMEx_WR_FIFO_THRESHOLD__MIN			0
153 
154 #define FSX_DMEx_RD_FIFO_THRESHOLD(__b, __i)		\
155 		(FSX_DMEx_BASE(__b, __i) + 0x14)
156 #define FSX_DMEx_RD_FIFO_THRESHOLD__MASK		0x3ff
157 #define FSX_DMEx_RD_FIFO_THRESHOLD__MAX			10
158 #define FSX_DMEx_RD_FIFO_THRESHOLD__MIN			0
159 
160 #define FS6_SUB_TOP_BASE				0x66D8F800
161 #define FS6_PKI_DME_RESET				0x4
162 #define PKI_DME_RESET					1
163 
164 char *fsx_type_names[] = {
165 	"fs4-raid",
166 	"fs4-crypto",
167 	"fs6-pki",
168 };
169 
fsx_init(eFSX_TYPE fsx_type,unsigned int ring_count,unsigned int dme_count,unsigned int ae_count,unsigned int start_stream_id,unsigned int msi_dev_id,uintptr_t idm_io_control_direct,uintptr_t idm_reset_control,uintptr_t base,uintptr_t dme_base)170 void fsx_init(eFSX_TYPE fsx_type,
171 	      unsigned int ring_count,
172 	      unsigned int dme_count,
173 	      unsigned int ae_count,
174 	      unsigned int start_stream_id,
175 	      unsigned int msi_dev_id,
176 	      uintptr_t idm_io_control_direct,
177 	      uintptr_t idm_reset_control,
178 	      uintptr_t base,
179 	      uintptr_t dme_base)
180 {
181 	int try;
182 	unsigned int i, v, data;
183 	uintptr_t fs4_idm_io_control_direct = idm_io_control_direct;
184 	uintptr_t fs4_idm_reset_control = idm_reset_control;
185 	uintptr_t fsx_comm_rm = (base + 0x203000);
186 
187 	VERBOSE("fsx %s init start\n", fsx_type_names[fsx_type]);
188 
189 	if (fsx_type == eFS4_RAID || fsx_type == eFS4_CRYPTO) {
190 		/* Enable FSx engine clock */
191 		VERBOSE(" - enable fsx clock\n");
192 		mmio_write_32(fs4_idm_io_control_direct,
193 		      (1U << FS4_IDM_IO_CONTROL_DIRECT__CLK_EN));
194 		udelay(500);
195 
196 		/* Reset FSx engine */
197 		VERBOSE(" - reset fsx\n");
198 		v = mmio_read_32(fs4_idm_reset_control);
199 		v |= (1 << FS4_IDM_RESET_CONTROL__RESET);
200 		mmio_write_32(fs4_idm_reset_control, v);
201 		udelay(500);
202 		v = mmio_read_32(fs4_idm_reset_control);
203 		v &= ~(1 << FS4_IDM_RESET_CONTROL__RESET);
204 		mmio_write_32(fs4_idm_reset_control, v);
205 	} else {
206 		/*
207 		 * Default RM and AE are out of reset,
208 		 * So only DME Reset added here
209 		 */
210 		v = mmio_read_32(FS6_SUB_TOP_BASE + FS6_PKI_DME_RESET);
211 		v &= ~(PKI_DME_RESET);
212 		mmio_write_32(FS6_SUB_TOP_BASE + FS6_PKI_DME_RESET, v);
213 	}
214 
215 	/* Wait for HW-init done */
216 	VERBOSE(" - wait for HW-init done\n");
217 	try = 10000;
218 	do {
219 		udelay(1);
220 		data = mmio_read_32(fsx_comm_rm +
221 				    FSX_COMM_RM_MAIN_HW_INIT_DONE);
222 		try--;
223 	} while (!(data & FSX_COMM_RM_MAIN_HW_INIT_DONE__MASK) && (try > 0));
224 
225 	if (try <= 0)
226 		ERROR("fsx_comm_rm + 0x%x: 0x%x\n",
227 		      data, FSX_COMM_RM_MAIN_HW_INIT_DONE);
228 
229 	/* Make all rings non-secured */
230 	VERBOSE(" - make all rings non-secured\n");
231 	v = 0xffffffff;
232 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_RING_SECURITY_SETTING, v);
233 
234 	/* Set start stream-id for rings to */
235 	VERBOSE(" - set start stream-id for rings to 0x%x\n",
236 		start_stream_id);
237 	v = start_stream_id >> FSX_COMM_RM_SSID_CONTROL__RING_BITS;
238 	v &= FSX_COMM_RM_SSID_CONTROL__MASK;
239 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_SSID_CONTROL, v);
240 
241 	/* Set timer configuration */
242 	VERBOSE(" - set timer configuration\n");
243 	v = 0x0271 << FSX_COMM_RM_TIMER_CONTROL_0__MEDIUM;
244 	v |= (0x0138 << FSX_COMM_RM_TIMER_CONTROL_0__FAST);
245 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_TIMER_CONTROL_0, v);
246 	v = 0x09c4 << FSX_COMM_RM_TIMER_CONTROL_1__IDLE;
247 	v |= (0x04e2 << FSX_COMM_RM_TIMER_CONTROL_1__SLOW);
248 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_TIMER_CONTROL_1, v);
249 	v = 0x0000f424;
250 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_RING_FLUSH_TIMEOUT, v);
251 
252 	/* Set burst length and fifo threshold */
253 	VERBOSE(" - set burst length, fifo and bd threshold\n");
254 	v = 0x0;
255 	v |= (0x8 << FSX_COMM_RM_BURST_LENGTH__FOR_DDR_ADDR_GEN);
256 	v |= (0x8 << FSX_COMM_RM_BURST_LENGTH__FOR_TOGGLE);
257 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_BURST_LENGTH, v);
258 	v = 0x0;
259 	v |= (0x67 << FSX_COMM_RM_FIFO_THRESHOLD__BD_FIFO_FULL);
260 	v |= (0x18 << FSX_COMM_RM_FIFO_THRESHOLD__AE_FIFO_FULL);
261 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_FIFO_THRESHOLD, v);
262 	v = 0x0;
263 	v |= (0x8 << FSX_COMM_RM_BURST_BD_THRESHOLD_LOW);
264 	v |= (0x8 << FSX_COMM_RM_BURST_BD_THRESHOLD_HIGH);
265 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_BURST_BD_THRESHOLD, v);
266 
267 	/* Set memory configuration */
268 	VERBOSE(" - set memory configuration\n");
269 	v = 0x0;
270 	v |= (1 << FSX_COMM_RM_MEMORY_CONFIGURATION__POWERONIN);
271 	v |= (1 << FSX_COMM_RM_MEMORY_CONFIGURATION__POWEROKIN);
272 	v |= (1 << FSX_COMM_RM_MEMORY_CONFIGURATION__ARRPOWERONIN);
273 	v |= (1 << FSX_COMM_RM_MEMORY_CONFIGURATION__ARRPOWEROKIN);
274 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_MEMORY_CONFIGURATION, v);
275 
276 	/* AXI configuration for RM */
277 	v = 0;
278 	v |= (0x1 << FSX_COMM_RM_AXI_CONTROL__WRITE_CHANNEL_EN);
279 	v |= (0x1 << FSX_COMM_RM_AXI_CONTROL__READ_CHANNEL_EN);
280 	v |= (0xe << FSX_COMM_RM_AXI_CONTROL__AWQOS);
281 	v |= (0xa << FSX_COMM_RM_AXI_CONTROL__ARQOS);
282 	v |= (0x2 << FSX_COMM_RM_AXI_CONTROL__AWPROT);
283 	v |= (0x2 << FSX_COMM_RM_AXI_CONTROL__ARPROT);
284 	v |= (0xf << FSX_COMM_RM_AXI_CONTROL__AWCACHE);
285 	v |= (0xf << FSX_COMM_RM_AXI_CONTROL__ARCACHE);
286 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_AXI_CONTROL, v);
287 	VERBOSE(" - set AXI control = 0x%x\n",
288 		mmio_read_32(fsx_comm_rm + FSX_COMM_RM_AXI_CONTROL));
289 	v = 0x0;
290 	v |= (0x10 << FSX_COMM_RM_AXI_READ_BURST_THRESHOLD__MAX);
291 	v |= (0x10 << FSX_COMM_RM_AXI_READ_BURST_THRESHOLD__MIN);
292 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_AXI_READ_BURST_THRESHOLD, v);
293 	VERBOSE(" - set AXI read burst threshold = 0x%x\n",
294 	mmio_read_32(fsx_comm_rm + FSX_COMM_RM_AXI_READ_BURST_THRESHOLD));
295 
296 	/* Configure group ring count for all groups */
297 	/* By default we schedule extended packets
298 	 * on all AEs/DMEs in a group.
299 	 */
300 	v = (dme_count & 0xf) << 0;
301 	v |= (dme_count & 0xf) << 4;
302 	v |= (dme_count & 0xf) << 8;
303 	v |= (dme_count & 0xf) << 12;
304 	v |= (dme_count & 0xf) << 16;
305 	v |= (dme_count & 0xf) << 20;
306 	v |= (dme_count & 0xf) << 24;
307 	v |= (dme_count & 0xf) << 28;
308 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_GROUP_RING_COUNT, v);
309 
310 	/*
311 	 * Due to HW issue spurious interrupts are getting generated.
312 	 * To fix sw needs to clear the config status interrupts
313 	 * before setting CONFIG_DONE.
314 	 */
315 	mmio_write_32(fsx_comm_rm +
316 		      FSX_COMM_RM_CONFIG_INTERRUPT_STATUS_CLEAR,
317 		      0xffffffff);
318 
319 	/* Configure RM control */
320 	VERBOSE(" - configure RM control\n");
321 	v = mmio_read_32(fsx_comm_rm + FSX_COMM_RM_CONTROL_REGISTER);
322 	v |= (1 << FSX_COMM_RM_CONTROL_REGISTER__AE_LOCKING);
323 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_CONTROL_REGISTER, v);
324 	v |= (1 << FSX_COMM_RM_CONTROL_REGISTER__CONFIG_DONE);
325 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_CONTROL_REGISTER, v);
326 
327 	/* Configure AE timeout */
328 	VERBOSE(" - configure AE timeout\n");
329 	v = 0x00003fff;
330 	mmio_write_32(fsx_comm_rm + FSX_COMM_RM_AE_TIMEOUT, v);
331 
332 	/* Initialize all AEs */
333 	for (i = 0; i < ae_count; i++) {
334 		VERBOSE(" - initialize AE%d\n", i);
335 		v = (0x1 << FSX_AEx_CONTROL_REGISTER__ACTIVE);
336 		mmio_write_32(FSX_AEx_CONTROL_REGISTER(base, i), v);
337 	}
338 
339 	/* Initialize all DMEs */
340 	for (i = 0; i < dme_count; i++) {
341 		VERBOSE(" - initialize DME%d\n", i);
342 		v = 0;
343 		v |= (0x1 << FSX_DMEx_AXI_CONTROL__WRITE_CHANNEL_EN);
344 		v |= (0x1 << FSX_DMEx_AXI_CONTROL__READ_CHANNEL_EN);
345 		v |= (0xe << FSX_DMEx_AXI_CONTROL__AWQOS);
346 		v |= (0xa << FSX_DMEx_AXI_CONTROL__ARQOS);
347 		v |= (0xf << FSX_DMEx_AXI_CONTROL__AWCACHE);
348 		v |= (0xf << FSX_DMEx_AXI_CONTROL__ARCACHE);
349 		mmio_write_32(FSX_DMEx_AXI_CONTROL(dme_base, i), v);
350 		VERBOSE(" -- AXI_CONTROL = 0x%x\n",
351 		mmio_read_32(FSX_DMEx_AXI_CONTROL(dme_base, i)));
352 		v = 0;
353 		v |= (0x4 << FSX_DMEx_WR_FIFO_THRESHOLD__MIN);
354 		v |= (0x4 << FSX_DMEx_WR_FIFO_THRESHOLD__MAX);
355 		mmio_write_32(FSX_DMEx_WR_FIFO_THRESHOLD(dme_base, i), v);
356 		VERBOSE(" -- WR_FIFO_THRESHOLD = 0x%x\n",
357 		mmio_read_32(FSX_DMEx_WR_FIFO_THRESHOLD(dme_base, i)));
358 		v = 0;
359 		v |= (0x4 << FSX_DMEx_RD_FIFO_THRESHOLD__MIN);
360 		v |= (0x4 << FSX_DMEx_RD_FIFO_THRESHOLD__MAX);
361 		mmio_write_32(FSX_DMEx_RD_FIFO_THRESHOLD(dme_base, i), v);
362 		VERBOSE(" -- RD_FIFO_THRESHOLD = 0x%x\n",
363 		mmio_read_32(FSX_DMEx_RD_FIFO_THRESHOLD(dme_base, i)));
364 	}
365 
366 	/* Configure ring axi id and msi device id */
367 	for (i = 0; i < ring_count; i++) {
368 		VERBOSE(" - ring%d version=0x%x\n", i,
369 			mmio_read_32(FSX_RINGx_VERSION_NUMBER(base, i)));
370 		mmio_write_32(FSX_COMM_RINGx_MSI_DEV_ID(base, i),
371 			      msi_dev_id);
372 		v = 0;
373 		v |= ((i & FSX_COMM_RINGx_CONTROL__AXI_ID_MASK) <<
374 		      FSX_COMM_RINGx_CONTROL__AXI_ID);
375 		mmio_write_32(FSX_COMM_RINGx_CONTROL(base, i), v);
376 	}
377 
378 	INFO("fsx %s init done\n", fsx_type_names[fsx_type]);
379 }
380 
fsx_meminit(const char * name,uintptr_t idm_io_control_direct,uintptr_t idm_io_status)381 void fsx_meminit(const char *name,
382 		 uintptr_t idm_io_control_direct,
383 		 uintptr_t idm_io_status)
384 {
385 	int try;
386 	unsigned int val;
387 
388 	VERBOSE("fsx %s meminit start\n", name);
389 
390 	VERBOSE(" - arrpoweron\n");
391 	mmio_setbits_32(idm_io_control_direct,
392 			BIT(FS4_IDM_IO_CONTROL_DIRECT__MEM_ARRPOWERON));
393 	while (!(mmio_read_32(idm_io_status) &
394 		 BIT(FS4_IDM_IO_STATUS__MEM_ARRPOWERON)))
395 		;
396 
397 	VERBOSE(" - arrpowerok\n");
398 	mmio_setbits_32(idm_io_control_direct,
399 			(1 << FS4_IDM_IO_CONTROL_DIRECT__MEM_ARRPOWEROK));
400 	while (!(mmio_read_32(idm_io_status) &
401 		 BIT(FS4_IDM_IO_STATUS__MEM_ARRPOWEROK)))
402 		;
403 
404 	VERBOSE(" - poweron\n");
405 	mmio_setbits_32(idm_io_control_direct,
406 			(1 << FS4_IDM_IO_CONTROL_DIRECT__MEM_POWERON));
407 	while (!(mmio_read_32(idm_io_status) &
408 		 BIT(FS4_IDM_IO_STATUS__MEM_POWERON)))
409 		;
410 
411 	VERBOSE(" - powerok\n");
412 	mmio_setbits_32(idm_io_control_direct,
413 			(1 << FS4_IDM_IO_CONTROL_DIRECT__MEM_POWEROK));
414 	while (!(mmio_read_32(idm_io_status) &
415 		 BIT(FS4_IDM_IO_STATUS__MEM_POWEROK)))
416 		;
417 
418 	/* Final check on all power bits */
419 	try = 10;
420 	do {
421 		val = mmio_read_32(idm_io_status);
422 		if (val == FS4_IDM_IO_STATUS__MEM_ALLOK)
423 			break;
424 
425 		/* Wait sometime */
426 		mdelay(1);
427 
428 		try--;
429 	} while (try > 0);
430 
431 	/* Remove memory isolation if things are fine. */
432 	if (try <= 0) {
433 		INFO(" - powerup failed\n");
434 	} else {
435 		VERBOSE(" - remove isolation\n");
436 		mmio_clrbits_32(idm_io_control_direct,
437 				(1 << FS4_IDM_IO_CONTROL_DIRECT__MEM_ISO));
438 		VERBOSE(" - powerup done\n");
439 	}
440 
441 	INFO("fsx %s meminit done\n", name);
442 }
443 
fs4_disable_clocks(bool disable_sram,bool disable_crypto,bool disable_raid)444 void fs4_disable_clocks(bool disable_sram,
445 			bool disable_crypto,
446 			bool disable_raid)
447 {
448 	VERBOSE("fs4 disable clocks start\n");
449 
450 	if (disable_sram) {
451 		VERBOSE(" - disable sram clock\n");
452 		mmio_clrbits_32(FS4_SRAM_IDM_IO_CONTROL_DIRECT,
453 			(1 << FS4_IDM_IO_CONTROL_DIRECT__SRAM_CLK_EN));
454 	}
455 
456 	if (disable_crypto) {
457 		VERBOSE(" - disable crypto clock\n");
458 		mmio_setbits_32(CDRU_GENPLL5_CONTROL1,
459 				CDRU_GENPLL5_CONTROL1__CHNL1_CRYPTO_AE_CLK);
460 	}
461 
462 	if (disable_raid) {
463 		VERBOSE(" - disable raid clock\n");
464 		mmio_setbits_32(CDRU_GENPLL5_CONTROL1,
465 				CDRU_GENPLL5_CONTROL1__CHNL2_RAID_AE_CLK);
466 	}
467 
468 	if (disable_sram && disable_crypto && disable_raid) {
469 		VERBOSE(" - disable root clock\n");
470 		mmio_setbits_32(CDRU_GENPLL5_CONTROL1,
471 				CDRU_GENPLL5_CONTROL1__CHNL0_DME_CLK);
472 		mmio_setbits_32(CDRU_GENPLL2_CONTROL1,
473 				CDRU_GENPLL2_CONTROL1__CHNL6_FS4_CLK);
474 	}
475 
476 	INFO("fs4 disable clocks done\n");
477 }
478