2 * Driver for Marvell PPv2 network controller for Armada 375 SoC.
4 * Copyright (C) 2014 Marvell
11 * This file is licensed under the terms of the GNU General Public
12 * License version 2. This program is licensed "as is" without any
13 * warranty of any kind, whether express or implied.
19 #include <asm/cache.h>
20 #include <asm/global_data.h>
21 #include <dm/device-internal.h>
22 #include <dm/device_compat.h>
23 #include <dm/devres.h>
30 #include <linux/bitops.h>
31 #include <linux/bug.h>
32 #include <linux/delay.h>
33 #include <linux/err.h>
34 #include <linux/errno.h>
38 #include <asm/arch/cpu.h>
39 #include <asm/arch/soc.h>
40 #include <linux/compat.h>
41 #include <linux/libfdt.h>
42 #include <linux/mbus.h>
43 #include <asm-generic/gpio.h>
44 #include <fdt_support.h>
45 #include <linux/mdio.h>
47 DECLARE_GLOBAL_DATA_PTR;
49 #define __verify_pcpu_ptr(ptr) \
51 const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
55 #define VERIFY_PERCPU_PTR(__p) \
57 __verify_pcpu_ptr(__p); \
58 (typeof(*(__p)) __kernel __force *)(__p); \
61 #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
62 #define smp_processor_id() 0
63 #define num_present_cpus() 1
64 #define for_each_present_cpu(cpu) \
65 for ((cpu) = 0; (cpu) < 1; (cpu)++)
67 #define NET_SKB_PAD max(32, MVPP2_CPU_D_CACHE_LINE_SIZE)
69 #define CONFIG_NR_CPUS 1
71 /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
72 #define WRAP (2 + ETH_HLEN + 4 + 32)
74 #define RX_BUFFER_SIZE (ALIGN(MTU + WRAP, ARCH_DMA_MINALIGN))
76 /* RX Fifo Registers */
77 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
78 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
79 #define MVPP2_RX_MIN_PKT_SIZE_REG 0x60
80 #define MVPP2_RX_FIFO_INIT_REG 0x64
82 /* RX DMA Top Registers */
83 #define MVPP2_RX_CTRL_REG(port) (0x140 + 4 * (port))
84 #define MVPP2_RX_LOW_LATENCY_PKT_SIZE(s) (((s) & 0xfff) << 16)
85 #define MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK BIT(31)
86 #define MVPP2_POOL_BUF_SIZE_REG(pool) (0x180 + 4 * (pool))
87 #define MVPP2_POOL_BUF_SIZE_OFFSET 5
88 #define MVPP2_RXQ_CONFIG_REG(rxq) (0x800 + 4 * (rxq))
89 #define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
90 #define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
91 #define MVPP2_RXQ_POOL_SHORT_OFFS 20
92 #define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
93 #define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
94 #define MVPP2_RXQ_POOL_LONG_OFFS 24
95 #define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
96 #define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
97 #define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
98 #define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
99 #define MVPP2_RXQ_DISABLE_MASK BIT(31)
101 /* Parser Registers */
102 #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000
103 #define MVPP2_PRS_PORT_LU_MAX 0xf
104 #define MVPP2_PRS_PORT_LU_MASK(port) (0xff << ((port) * 4))
105 #define MVPP2_PRS_PORT_LU_VAL(port, val) ((val) << ((port) * 4))
106 #define MVPP2_PRS_INIT_OFFS_REG(port) (0x1004 + ((port) & 4))
107 #define MVPP2_PRS_INIT_OFF_MASK(port) (0x3f << (((port) % 4) * 8))
108 #define MVPP2_PRS_INIT_OFF_VAL(port, val) ((val) << (((port) % 4) * 8))
109 #define MVPP2_PRS_MAX_LOOP_REG(port) (0x100c + ((port) & 4))
110 #define MVPP2_PRS_MAX_LOOP_MASK(port) (0xff << (((port) % 4) * 8))
111 #define MVPP2_PRS_MAX_LOOP_VAL(port, val) ((val) << (((port) % 4) * 8))
112 #define MVPP2_PRS_TCAM_IDX_REG 0x1100
113 #define MVPP2_PRS_TCAM_DATA_REG(idx) (0x1104 + (idx) * 4)
114 #define MVPP2_PRS_TCAM_INV_MASK BIT(31)
115 #define MVPP2_PRS_SRAM_IDX_REG 0x1200
116 #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4)
117 #define MVPP2_PRS_TCAM_CTRL_REG 0x1230
118 #define MVPP2_PRS_TCAM_EN_MASK BIT(0)
120 /* Classifier Registers */
121 #define MVPP2_CLS_MODE_REG 0x1800
122 #define MVPP2_CLS_MODE_ACTIVE_MASK BIT(0)
123 #define MVPP2_CLS_PORT_WAY_REG 0x1810
124 #define MVPP2_CLS_PORT_WAY_MASK(port) (1 << (port))
125 #define MVPP2_CLS_LKP_INDEX_REG 0x1814
126 #define MVPP2_CLS_LKP_INDEX_WAY_OFFS 6
127 #define MVPP2_CLS_LKP_TBL_REG 0x1818
128 #define MVPP2_CLS_LKP_TBL_RXQ_MASK 0xff
129 #define MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK BIT(25)
130 #define MVPP2_CLS_FLOW_INDEX_REG 0x1820
131 #define MVPP2_CLS_FLOW_TBL0_REG 0x1824
132 #define MVPP2_CLS_FLOW_TBL1_REG 0x1828
133 #define MVPP2_CLS_FLOW_TBL2_REG 0x182c
134 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port) (0x1980 + ((port) * 4))
135 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
136 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
137 #define MVPP2_CLS_SWFWD_P2HQ_REG(port) (0x19b0 + ((port) * 4))
138 #define MVPP2_CLS_SWFWD_PCTRL_REG 0x19d0
139 #define MVPP2_CLS_SWFWD_PCTRL_MASK(port) (1 << (port))
141 /* Descriptor Manager Top Registers */
142 #define MVPP2_RXQ_NUM_REG 0x2040
143 #define MVPP2_RXQ_DESC_ADDR_REG 0x2044
144 #define MVPP22_DESC_ADDR_OFFS 8
145 #define MVPP2_RXQ_DESC_SIZE_REG 0x2048
146 #define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
147 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
148 #define MVPP2_RXQ_NUM_PROCESSED_OFFSET 0
149 #define MVPP2_RXQ_NUM_NEW_OFFSET 16
150 #define MVPP2_RXQ_STATUS_REG(rxq) (0x3400 + 4 * (rxq))
151 #define MVPP2_RXQ_OCCUPIED_MASK 0x3fff
152 #define MVPP2_RXQ_NON_OCCUPIED_OFFSET 16
153 #define MVPP2_RXQ_NON_OCCUPIED_MASK 0x3fff0000
154 #define MVPP2_RXQ_THRESH_REG 0x204c
155 #define MVPP2_OCCUPIED_THRESH_OFFSET 0
156 #define MVPP2_OCCUPIED_THRESH_MASK 0x3fff
157 #define MVPP2_RXQ_INDEX_REG 0x2050
158 #define MVPP2_TXQ_NUM_REG 0x2080
159 #define MVPP2_TXQ_DESC_ADDR_REG 0x2084
160 #define MVPP2_TXQ_DESC_SIZE_REG 0x2088
161 #define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
162 #define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
163 #define MVPP2_TXQ_THRESH_REG 0x2094
164 #define MVPP2_TRANSMITTED_THRESH_OFFSET 16
165 #define MVPP2_TRANSMITTED_THRESH_MASK 0x3fff0000
166 #define MVPP2_TXQ_INDEX_REG 0x2098
167 #define MVPP2_TXQ_PREF_BUF_REG 0x209c
168 #define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
169 #define MVPP2_PREF_BUF_SIZE_4 (BIT(12) | BIT(13))
170 #define MVPP2_PREF_BUF_SIZE_16 (BIT(12) | BIT(14))
171 #define MVPP2_PREF_BUF_THRESH(val) ((val) << 17)
172 #define MVPP2_TXQ_DRAIN_EN_MASK BIT(31)
173 #define MVPP2_TXQ_PENDING_REG 0x20a0
174 #define MVPP2_TXQ_PENDING_MASK 0x3fff
175 #define MVPP2_TXQ_INT_STATUS_REG 0x20a4
176 #define MVPP2_TXQ_SENT_REG(txq) (0x3c00 + 4 * (txq))
177 #define MVPP2_TRANSMITTED_COUNT_OFFSET 16
178 #define MVPP2_TRANSMITTED_COUNT_MASK 0x3fff0000
179 #define MVPP2_TXQ_RSVD_REQ_REG 0x20b0
180 #define MVPP2_TXQ_RSVD_REQ_Q_OFFSET 16
181 #define MVPP2_TXQ_RSVD_RSLT_REG 0x20b4
182 #define MVPP2_TXQ_RSVD_RSLT_MASK 0x3fff
183 #define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
184 #define MVPP2_TXQ_RSVD_CLR_OFFSET 16
185 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
186 #define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
187 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
188 #define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
189 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
190 #define MVPP2_AGGR_TXQ_PENDING_MASK 0x3fff
191 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu) (0x21c0 + 4 * (cpu))
193 /* MBUS bridge registers */
194 #define MVPP2_WIN_BASE(w) (0x4000 + ((w) << 2))
195 #define MVPP2_WIN_SIZE(w) (0x4020 + ((w) << 2))
196 #define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
197 #define MVPP2_BASE_ADDR_ENABLE 0x4060
199 /* AXI Bridge Registers */
200 #define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
201 #define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
202 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
203 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
204 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
205 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
206 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
207 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
208 #define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
209 #define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
210 #define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
211 #define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
213 /* Values for AXI Bridge registers */
214 #define MVPP22_AXI_ATTR_CACHE_OFFS 0
215 #define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
217 #define MVPP22_AXI_CODE_CACHE_OFFS 0
218 #define MVPP22_AXI_CODE_DOMAIN_OFFS 4
220 #define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
221 #define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
222 #define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
224 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
225 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
227 /* Interrupt Cause and Mask registers */
228 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
229 #define MVPP21_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
231 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
232 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
233 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
234 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
236 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
237 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
239 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
240 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
241 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
242 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
244 #define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
245 #define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
246 #define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
247 #define MVPP2_ISR_RX_TX_CAUSE_REG(port) (0x5480 + 4 * (port))
248 #define MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
249 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
250 #define MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK BIT(24)
251 #define MVPP2_CAUSE_FCS_ERR_MASK BIT(25)
252 #define MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK BIT(26)
253 #define MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK BIT(29)
254 #define MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK BIT(30)
255 #define MVPP2_CAUSE_MISC_SUM_MASK BIT(31)
256 #define MVPP2_ISR_RX_TX_MASK_REG(port) (0x54a0 + 4 * (port))
257 #define MVPP2_ISR_PON_RX_TX_MASK_REG 0x54bc
258 #define MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
259 #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
260 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31)
261 #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0
263 /* Buffer Manager registers */
264 #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4))
265 #define MVPP2_BM_POOL_BASE_ADDR_MASK 0xfffff80
266 #define MVPP2_BM_POOL_SIZE_REG(pool) (0x6040 + ((pool) * 4))
267 #define MVPP2_BM_POOL_SIZE_MASK 0xfff0
268 #define MVPP2_BM_POOL_READ_PTR_REG(pool) (0x6080 + ((pool) * 4))
269 #define MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
270 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool) (0x60c0 + ((pool) * 4))
271 #define MVPP2_BM_POOL_PTRS_NUM_MASK 0xfff0
272 #define MVPP2_BM_BPPI_READ_PTR_REG(pool) (0x6100 + ((pool) * 4))
273 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool) (0x6140 + ((pool) * 4))
274 #define MVPP2_BM_BPPI_PTR_NUM_MASK 0x7ff
275 #define MVPP2_BM_BPPI_PREFETCH_FULL_MASK BIT(16)
276 #define MVPP2_BM_POOL_CTRL_REG(pool) (0x6200 + ((pool) * 4))
277 #define MVPP2_BM_START_MASK BIT(0)
278 #define MVPP2_BM_STOP_MASK BIT(1)
279 #define MVPP2_BM_STATE_MASK BIT(4)
280 #define MVPP2_BM_LOW_THRESH_OFFS 8
281 #define MVPP2_BM_LOW_THRESH_MASK 0x7f00
282 #define MVPP2_BM_LOW_THRESH_VALUE(val) ((val) << \
283 MVPP2_BM_LOW_THRESH_OFFS)
284 #define MVPP2_BM_HIGH_THRESH_OFFS 16
285 #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000
286 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
287 MVPP2_BM_HIGH_THRESH_OFFS)
288 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4))
289 #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0)
290 #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1)
291 #define MVPP2_BM_BPPE_EMPTY_MASK BIT(2)
292 #define MVPP2_BM_BPPE_FULL_MASK BIT(3)
293 #define MVPP2_BM_AVAILABLE_BP_LOW_MASK BIT(4)
294 #define MVPP2_BM_INTR_MASK_REG(pool) (0x6280 + ((pool) * 4))
295 #define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
296 #define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
297 #define MVPP2_BM_VIRT_ALLOC_REG 0x6440
298 #define MVPP2_BM_ADDR_HIGH_ALLOC 0x6444
299 #define MVPP2_BM_ADDR_HIGH_PHYS_MASK 0xff
300 #define MVPP2_BM_ADDR_HIGH_VIRT_MASK 0xff00
301 #define MVPP2_BM_ADDR_HIGH_VIRT_SHIFT 8
302 #define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
303 #define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
304 #define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
305 #define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
306 #define MVPP2_BM_VIRT_RLS_REG 0x64c0
307 #define MVPP21_BM_MC_RLS_REG 0x64c4
308 #define MVPP2_BM_MC_ID_MASK 0xfff
309 #define MVPP2_BM_FORCE_RELEASE_MASK BIT(12)
310 #define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
311 #define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
312 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
313 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
314 #define MVPP22_BM_MC_RLS_REG 0x64d4
315 #define MVPP22_BM_POOL_BASE_HIGH_REG 0x6310
316 #define MVPP22_BM_POOL_BASE_HIGH_MASK 0xff
318 /* TX Scheduler registers */
319 #define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
320 #define MVPP2_TXP_SCHED_Q_CMD_REG 0x8004
321 #define MVPP2_TXP_SCHED_ENQ_MASK 0xff
322 #define MVPP2_TXP_SCHED_DISQ_OFFSET 8
323 #define MVPP2_TXP_SCHED_CMD_1_REG 0x8010
324 #define MVPP2_TXP_SCHED_PERIOD_REG 0x8018
325 #define MVPP2_TXP_SCHED_MTU_REG 0x801c
326 #define MVPP2_TXP_MTU_MAX 0x7FFFF
327 #define MVPP2_TXP_SCHED_REFILL_REG 0x8020
328 #define MVPP2_TXP_REFILL_TOKENS_ALL_MASK 0x7ffff
329 #define MVPP2_TXP_REFILL_PERIOD_ALL_MASK 0x3ff00000
330 #define MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
331 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG 0x8024
332 #define MVPP2_TXP_TOKEN_SIZE_MAX 0xffffffff
333 #define MVPP2_TXQ_SCHED_REFILL_REG(q) (0x8040 + ((q) << 2))
334 #define MVPP2_TXQ_REFILL_TOKENS_ALL_MASK 0x7ffff
335 #define MVPP2_TXQ_REFILL_PERIOD_ALL_MASK 0x3ff00000
336 #define MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
337 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q) (0x8060 + ((q) << 2))
338 #define MVPP2_TXQ_TOKEN_SIZE_MAX 0x7fffffff
339 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q) (0x8080 + ((q) << 2))
340 #define MVPP2_TXQ_TOKEN_CNTR_MAX 0xffffffff
342 /* TX general registers */
343 #define MVPP2_TX_SNOOP_REG 0x8800
344 #define MVPP2_TX_PORT_FLUSH_REG 0x8810
345 #define MVPP2_TX_PORT_FLUSH_MASK(port) (1 << (port))
348 #define MVPP2_SRC_ADDR_MIDDLE 0x24
349 #define MVPP2_SRC_ADDR_HIGH 0x28
350 #define MVPP2_PHY_AN_CFG0_REG 0x34
351 #define MVPP2_PHY_AN_STOP_SMI0_MASK BIT(7)
352 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG 0x305c
353 #define MVPP2_EXT_GLOBAL_CTRL_DEFAULT 0x27
355 /* Per-port registers */
356 #define MVPP2_GMAC_CTRL_0_REG 0x0
357 #define MVPP2_GMAC_PORT_EN_MASK BIT(0)
358 #define MVPP2_GMAC_PORT_TYPE_MASK BIT(1)
359 #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2
360 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc
361 #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15)
362 #define MVPP2_GMAC_CTRL_1_REG 0x4
363 #define MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
364 #define MVPP2_GMAC_GMII_LB_EN_MASK BIT(5)
365 #define MVPP2_GMAC_PCS_LB_EN_BIT 6
366 #define MVPP2_GMAC_PCS_LB_EN_MASK BIT(6)
367 #define MVPP2_GMAC_SA_LOW_OFFS 7
368 #define MVPP2_GMAC_CTRL_2_REG 0x8
369 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0)
370 #define MVPP2_GMAC_SGMII_MODE_MASK BIT(0)
371 #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3)
372 #define MVPP2_GMAC_PORT_RGMII_MASK BIT(4)
373 #define MVPP2_GMAC_PORT_DIS_PADING_MASK BIT(5)
374 #define MVPP2_GMAC_PORT_RESET_MASK BIT(6)
375 #define MVPP2_GMAC_CLK_125_BYPS_EN_MASK BIT(9)
376 #define MVPP2_GMAC_AUTONEG_CONFIG 0xc
377 #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0)
378 #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1)
379 #define MVPP2_GMAC_EN_PCS_AN BIT(2)
380 #define MVPP2_GMAC_AN_BYPASS_EN BIT(3)
381 #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5)
382 #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6)
383 #define MVPP2_GMAC_AN_SPEED_EN BIT(7)
384 #define MVPP2_GMAC_FC_ADV_EN BIT(9)
385 #define MVPP2_GMAC_EN_FC_AN BIT(11)
386 #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12)
387 #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13)
388 #define MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG BIT(15)
389 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c
390 #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6
391 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
392 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
393 MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
394 #define MVPP2_GMAC_CTRL_4_REG 0x90
395 #define MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK BIT(0)
396 #define MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK BIT(5)
397 #define MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK BIT(6)
398 #define MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK BIT(7)
401 * Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
402 * relative to port->base.
405 /* Port Mac Control0 */
406 #define MVPP22_XLG_CTRL0_REG 0x100
407 #define MVPP22_XLG_PORT_EN BIT(0)
408 #define MVPP22_XLG_MAC_RESETN BIT(1)
409 #define MVPP22_XLG_RX_FC_EN BIT(7)
410 #define MVPP22_XLG_MIBCNT_DIS BIT(13)
411 /* Port Mac Control1 */
412 #define MVPP22_XLG_CTRL1_REG 0x104
413 #define MVPP22_XLG_MAX_RX_SIZE_OFFS 0
414 #define MVPP22_XLG_MAX_RX_SIZE_MASK 0x1fff
415 /* Port Interrupt Mask */
416 #define MVPP22_XLG_INTERRUPT_MASK_REG 0x118
417 #define MVPP22_XLG_INTERRUPT_LINK_CHANGE BIT(1)
418 /* Port Mac Control3 */
419 #define MVPP22_XLG_CTRL3_REG 0x11c
420 #define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
421 #define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
422 #define MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC (1 << 13)
423 /* Port Mac Control4 */
424 #define MVPP22_XLG_CTRL4_REG 0x184
425 #define MVPP22_XLG_FORWARD_802_3X_FC_EN BIT(5)
426 #define MVPP22_XLG_FORWARD_PFC_EN BIT(6)
427 #define MVPP22_XLG_MODE_DMA_1G BIT(12)
428 #define MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK BIT(14)
432 /* Global Configuration 0 */
433 #define MVPP22_XPCS_GLOBAL_CFG_0_REG 0x0
434 #define MVPP22_XPCS_PCSRESET BIT(0)
435 #define MVPP22_XPCS_PCSMODE_OFFS 3
436 #define MVPP22_XPCS_PCSMODE_MASK (0x3 << \
437 MVPP22_XPCS_PCSMODE_OFFS)
438 #define MVPP22_XPCS_LANEACTIVE_OFFS 5
439 #define MVPP22_XPCS_LANEACTIVE_MASK (0x3 << \
440 MVPP22_XPCS_LANEACTIVE_OFFS)
444 #define PCS40G_COMMON_CONTROL 0x14
445 #define FORWARD_ERROR_CORRECTION_MASK BIT(10)
447 #define PCS_CLOCK_RESET 0x14c
448 #define TX_SD_CLK_RESET_MASK BIT(0)
449 #define RX_SD_CLK_RESET_MASK BIT(1)
450 #define MAC_CLK_RESET_MASK BIT(2)
451 #define CLK_DIVISION_RATIO_OFFS 4
452 #define CLK_DIVISION_RATIO_MASK (0x7 << CLK_DIVISION_RATIO_OFFS)
453 #define CLK_DIV_PHASE_SET_MASK BIT(11)
455 /* System Soft Reset 1 */
456 #define GOP_SOFT_RESET_1_REG 0x108
457 #define NETC_GOP_SOFT_RESET_OFFS 6
458 #define NETC_GOP_SOFT_RESET_MASK (0x1 << \
459 NETC_GOP_SOFT_RESET_OFFS)
461 /* Ports Control 0 */
462 #define NETCOMP_PORTS_CONTROL_0_REG 0x110
463 #define NETC_BUS_WIDTH_SELECT_OFFS 1
464 #define NETC_BUS_WIDTH_SELECT_MASK (0x1 << \
465 NETC_BUS_WIDTH_SELECT_OFFS)
466 #define NETC_GIG_RX_DATA_SAMPLE_OFFS 29
467 #define NETC_GIG_RX_DATA_SAMPLE_MASK (0x1 << \
468 NETC_GIG_RX_DATA_SAMPLE_OFFS)
469 #define NETC_CLK_DIV_PHASE_OFFS 31
470 #define NETC_CLK_DIV_PHASE_MASK (0x1 << NETC_CLK_DIV_PHASE_OFFS)
471 /* Ports Control 1 */
472 #define NETCOMP_PORTS_CONTROL_1_REG 0x114
473 #define NETC_PORTS_ACTIVE_OFFSET(p) (0 + p)
474 #define NETC_PORTS_ACTIVE_MASK(p) (0x1 << \
475 NETC_PORTS_ACTIVE_OFFSET(p))
476 #define NETC_PORT_GIG_RF_RESET_OFFS(p) (28 + p)
477 #define NETC_PORT_GIG_RF_RESET_MASK(p) (0x1 << \
478 NETC_PORT_GIG_RF_RESET_OFFS(p))
479 #define NETCOMP_CONTROL_0_REG 0x120
480 #define NETC_GBE_PORT0_SGMII_MODE_OFFS 0
481 #define NETC_GBE_PORT0_SGMII_MODE_MASK (0x1 << \
482 NETC_GBE_PORT0_SGMII_MODE_OFFS)
483 #define NETC_GBE_PORT1_SGMII_MODE_OFFS 1
484 #define NETC_GBE_PORT1_SGMII_MODE_MASK (0x1 << \
485 NETC_GBE_PORT1_SGMII_MODE_OFFS)
486 #define NETC_GBE_PORT1_MII_MODE_OFFS 2
487 #define NETC_GBE_PORT1_MII_MODE_MASK (0x1 << \
488 NETC_GBE_PORT1_MII_MODE_OFFS)
490 #define MVPP22_SMI_MISC_CFG_REG (MVPP22_SMI + 0x04)
491 #define MVPP22_SMI_POLLING_EN BIT(10)
493 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
495 /* Descriptor ring Macros */
496 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
497 (((index) < (q)->last_desc) ? ((index) + 1) : 0)
499 /* PP2.2: SMI: 0x12a200 -> offset 0x1200 to iface_base */
500 #define MVPP22_SMI 0x1200
502 /* Additional PPv2.2 offsets */
503 #define MVPP22_MPCS 0x007000
504 #define MVPP22_XPCS 0x007400
505 #define MVPP22_PORT_BASE 0x007e00
506 #define MVPP22_PORT_OFFSET 0x001000
507 #define MVPP22_RFU1 0x318000
509 /* Maximum number of ports */
510 #define MVPP22_GOP_MAC_NUM 4
512 /* Sets the field located at the specified in data */
513 #define MVPP2_RGMII_TX_FIFO_MIN_TH 0x41
514 #define MVPP2_SGMII_TX_FIFO_MIN_TH 0x5
515 #define MVPP2_SGMII2_5_TX_FIFO_MIN_TH 0xb
518 enum mv_netc_topology {
519 MV_NETC_GE_MAC2_SGMII = BIT(0),
520 MV_NETC_GE_MAC2_RGMII = BIT(1),
521 MV_NETC_GE_MAC3_SGMII = BIT(2),
522 MV_NETC_GE_MAC3_RGMII = BIT(3),
527 MV_NETC_SECOND_PHASE,
530 enum mv_netc_sgmii_xmi_mode {
535 enum mv_netc_mii_mode {
545 /* Various constants */
548 #define MVPP2_TXDONE_COAL_PKTS_THRESH 15
549 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL
550 #define MVPP2_RX_COAL_PKTS 32
551 #define MVPP2_RX_COAL_USEC 100
553 /* The two bytes Marvell header. Either contains a special value used
554 * by Marvell switches when a specific hardware mode is enabled (not
555 * supported by this driver) or is filled automatically by zeroes on
556 * the RX side. Those two bytes being at the front of the Ethernet
557 * header, they allow to have the IP header aligned on a 4 bytes
558 * boundary automatically: the hardware skips those two bytes on its
561 #define MVPP2_MH_SIZE 2
562 #define MVPP2_ETH_TYPE_LEN 2
563 #define MVPP2_PPPOE_HDR_SIZE 8
564 #define MVPP2_VLAN_TAG_LEN 4
566 /* Lbtd 802.3 type */
567 #define MVPP2_IP_LBDT_TYPE 0xfffa
569 #define MVPP2_CPU_D_CACHE_LINE_SIZE 32
570 #define MVPP2_TX_CSUM_MAX_SIZE 9800
572 /* Timeout constants */
573 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC 1000
574 #define MVPP2_TX_PENDING_TIMEOUT_MSEC 1000
576 #define MVPP2_TX_MTU_MAX 0x7ffff
578 /* Maximum number of T-CONTs of PON port */
579 #define MVPP2_MAX_TCONT 16
581 /* Maximum number of supported ports */
582 #define MVPP2_MAX_PORTS 4
584 /* Maximum number of TXQs used by single port */
585 #define MVPP2_MAX_TXQ 8
587 /* Default number of TXQs in use */
588 #define MVPP2_DEFAULT_TXQ 1
590 /* Default number of RXQs in use */
591 #define MVPP2_DEFAULT_RXQ 1
592 #define CONFIG_MV_ETH_RXQ 8 /* increment by 8 */
594 /* Max number of Rx descriptors */
595 #define MVPP2_MAX_RXD 16
597 /* Max number of Tx descriptors */
598 #define MVPP2_MAX_TXD 16
600 /* Amount of Tx descriptors that can be reserved at once by CPU */
601 #define MVPP2_CPU_DESC_CHUNK 16
603 /* Max number of Tx descriptors in each aggregated queue */
604 #define MVPP2_AGGR_TXQ_SIZE 16
606 /* Descriptor aligned size */
607 #define MVPP2_DESC_ALIGNED_SIZE 32
609 /* Descriptor alignment mask */
610 #define MVPP2_TX_DESC_ALIGN (MVPP2_DESC_ALIGNED_SIZE - 1)
612 /* RX FIFO constants */
613 #define MVPP21_RX_FIFO_PORT_DATA_SIZE 0x2000
614 #define MVPP21_RX_FIFO_PORT_ATTR_SIZE 0x80
615 #define MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE 0x8000
616 #define MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE 0x2000
617 #define MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE 0x1000
618 #define MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE 0x200
619 #define MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE 0x80
620 #define MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE 0x40
621 #define MVPP2_RX_FIFO_PORT_MIN_PKT 0x80
623 /* TX general registers */
624 #define MVPP22_TX_FIFO_SIZE_REG(eth_tx_port) (0x8860 + ((eth_tx_port) << 2))
625 #define MVPP22_TX_FIFO_SIZE_MASK 0xf
627 /* TX FIFO constants */
628 #define MVPP2_TX_FIFO_DATA_SIZE_10KB 0xa
629 #define MVPP2_TX_FIFO_DATA_SIZE_3KB 0x3
631 /* RX buffer constants */
632 #define MVPP2_SKB_SHINFO_SIZE \
635 #define MVPP2_RX_PKT_SIZE(mtu) \
636 ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
637 ETH_HLEN + ETH_FCS_LEN, MVPP2_CPU_D_CACHE_LINE_SIZE)
639 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
640 #define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
641 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
642 ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
644 #define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
646 /* IPv6 max L3 address size */
647 #define MVPP2_MAX_L3_ADDR_SIZE 16
650 #define MVPP2_F_LOOPBACK BIT(0)
652 /* Marvell tag types */
653 enum mvpp2_tag_type {
654 MVPP2_TAG_TYPE_NONE = 0,
655 MVPP2_TAG_TYPE_MH = 1,
656 MVPP2_TAG_TYPE_DSA = 2,
657 MVPP2_TAG_TYPE_EDSA = 3,
658 MVPP2_TAG_TYPE_VLAN = 4,
659 MVPP2_TAG_TYPE_LAST = 5
662 /* Parser constants */
663 #define MVPP2_PRS_TCAM_SRAM_SIZE 256
664 #define MVPP2_PRS_TCAM_WORDS 6
665 #define MVPP2_PRS_SRAM_WORDS 4
666 #define MVPP2_PRS_FLOW_ID_SIZE 64
667 #define MVPP2_PRS_FLOW_ID_MASK 0x3f
668 #define MVPP2_PRS_TCAM_ENTRY_INVALID 1
669 #define MVPP2_PRS_TCAM_DSA_TAGGED_BIT BIT(5)
670 #define MVPP2_PRS_IPV4_HEAD 0x40
671 #define MVPP2_PRS_IPV4_HEAD_MASK 0xf0
672 #define MVPP2_PRS_IPV4_MC 0xe0
673 #define MVPP2_PRS_IPV4_MC_MASK 0xf0
674 #define MVPP2_PRS_IPV4_BC_MASK 0xff
675 #define MVPP2_PRS_IPV4_IHL 0x5
676 #define MVPP2_PRS_IPV4_IHL_MASK 0xf
677 #define MVPP2_PRS_IPV6_MC 0xff
678 #define MVPP2_PRS_IPV6_MC_MASK 0xff
679 #define MVPP2_PRS_IPV6_HOP_MASK 0xff
680 #define MVPP2_PRS_TCAM_PROTO_MASK 0xff
681 #define MVPP2_PRS_TCAM_PROTO_MASK_L 0x3f
682 #define MVPP2_PRS_DBL_VLANS_MAX 100
685 * - lookup ID - 4 bits
687 * - additional information - 1 byte
688 * - header data - 8 bytes
689 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(5)->(0).
691 #define MVPP2_PRS_AI_BITS 8
692 #define MVPP2_PRS_PORT_MASK 0xff
693 #define MVPP2_PRS_LU_MASK 0xf
694 #define MVPP2_PRS_TCAM_DATA_BYTE(offs) \
695 (((offs) - ((offs) % 2)) * 2 + ((offs) % 2))
696 #define MVPP2_PRS_TCAM_DATA_BYTE_EN(offs) \
697 (((offs) * 2) - ((offs) % 2) + 2)
698 #define MVPP2_PRS_TCAM_AI_BYTE 16
699 #define MVPP2_PRS_TCAM_PORT_BYTE 17
700 #define MVPP2_PRS_TCAM_LU_BYTE 20
701 #define MVPP2_PRS_TCAM_EN_OFFS(offs) ((offs) + 2)
702 #define MVPP2_PRS_TCAM_INV_WORD 5
703 /* Tcam entries ID */
704 #define MVPP2_PE_DROP_ALL 0
705 #define MVPP2_PE_FIRST_FREE_TID 1
706 #define MVPP2_PE_LAST_FREE_TID (MVPP2_PRS_TCAM_SRAM_SIZE - 31)
707 #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30)
708 #define MVPP2_PE_MAC_MC_IP6 (MVPP2_PRS_TCAM_SRAM_SIZE - 29)
709 #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28)
710 #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 27)
711 #define MVPP2_PE_LAST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 26)
712 #define MVPP2_PE_FIRST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 19)
713 #define MVPP2_PE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 18)
714 #define MVPP2_PE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 17)
715 #define MVPP2_PE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 16)
716 #define MVPP2_PE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 15)
717 #define MVPP2_PE_ETYPE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 14)
718 #define MVPP2_PE_ETYPE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 13)
719 #define MVPP2_PE_ETYPE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 12)
720 #define MVPP2_PE_ETYPE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 11)
721 #define MVPP2_PE_MH_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 10)
722 #define MVPP2_PE_DSA_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 9)
723 #define MVPP2_PE_IP6_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 8)
724 #define MVPP2_PE_IP4_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 7)
725 #define MVPP2_PE_ETH_TYPE_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 6)
726 #define MVPP2_PE_VLAN_DBL (MVPP2_PRS_TCAM_SRAM_SIZE - 5)
727 #define MVPP2_PE_VLAN_NONE (MVPP2_PRS_TCAM_SRAM_SIZE - 4)
728 #define MVPP2_PE_MAC_MC_ALL (MVPP2_PRS_TCAM_SRAM_SIZE - 3)
729 #define MVPP2_PE_MAC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 2)
730 #define MVPP2_PE_MAC_NON_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 1)
733 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(3)->(0).
735 #define MVPP2_PRS_SRAM_RI_OFFS 0
736 #define MVPP2_PRS_SRAM_RI_WORD 0
737 #define MVPP2_PRS_SRAM_RI_CTRL_OFFS 32
738 #define MVPP2_PRS_SRAM_RI_CTRL_WORD 1
739 #define MVPP2_PRS_SRAM_RI_CTRL_BITS 32
740 #define MVPP2_PRS_SRAM_SHIFT_OFFS 64
741 #define MVPP2_PRS_SRAM_SHIFT_SIGN_BIT 72
742 #define MVPP2_PRS_SRAM_UDF_OFFS 73
743 #define MVPP2_PRS_SRAM_UDF_BITS 8
744 #define MVPP2_PRS_SRAM_UDF_MASK 0xff
745 #define MVPP2_PRS_SRAM_UDF_SIGN_BIT 81
746 #define MVPP2_PRS_SRAM_UDF_TYPE_OFFS 82
747 #define MVPP2_PRS_SRAM_UDF_TYPE_MASK 0x7
748 #define MVPP2_PRS_SRAM_UDF_TYPE_L3 1
749 #define MVPP2_PRS_SRAM_UDF_TYPE_L4 4
750 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS 85
751 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK 0x3
752 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD 1
753 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP4_ADD 2
754 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP6_ADD 3
755 #define MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS 87
756 #define MVPP2_PRS_SRAM_OP_SEL_UDF_BITS 2
757 #define MVPP2_PRS_SRAM_OP_SEL_UDF_MASK 0x3
758 #define MVPP2_PRS_SRAM_OP_SEL_UDF_ADD 0
759 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP4_ADD 2
760 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP6_ADD 3
761 #define MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS 89
762 #define MVPP2_PRS_SRAM_AI_OFFS 90
763 #define MVPP2_PRS_SRAM_AI_CTRL_OFFS 98
764 #define MVPP2_PRS_SRAM_AI_CTRL_BITS 8
765 #define MVPP2_PRS_SRAM_AI_MASK 0xff
766 #define MVPP2_PRS_SRAM_NEXT_LU_OFFS 106
767 #define MVPP2_PRS_SRAM_NEXT_LU_MASK 0xf
768 #define MVPP2_PRS_SRAM_LU_DONE_BIT 110
769 #define MVPP2_PRS_SRAM_LU_GEN_BIT 111
771 /* Sram result info bits assignment */
772 #define MVPP2_PRS_RI_MAC_ME_MASK 0x1
773 #define MVPP2_PRS_RI_DSA_MASK 0x2
774 #define MVPP2_PRS_RI_VLAN_MASK (BIT(2) | BIT(3))
775 #define MVPP2_PRS_RI_VLAN_NONE 0x0
776 #define MVPP2_PRS_RI_VLAN_SINGLE BIT(2)
777 #define MVPP2_PRS_RI_VLAN_DOUBLE BIT(3)
778 #define MVPP2_PRS_RI_VLAN_TRIPLE (BIT(2) | BIT(3))
779 #define MVPP2_PRS_RI_CPU_CODE_MASK 0x70
780 #define MVPP2_PRS_RI_CPU_CODE_RX_SPEC BIT(4)
781 #define MVPP2_PRS_RI_L2_CAST_MASK (BIT(9) | BIT(10))
782 #define MVPP2_PRS_RI_L2_UCAST 0x0
783 #define MVPP2_PRS_RI_L2_MCAST BIT(9)
784 #define MVPP2_PRS_RI_L2_BCAST BIT(10)
785 #define MVPP2_PRS_RI_PPPOE_MASK 0x800
786 #define MVPP2_PRS_RI_L3_PROTO_MASK (BIT(12) | BIT(13) | BIT(14))
787 #define MVPP2_PRS_RI_L3_UN 0x0
788 #define MVPP2_PRS_RI_L3_IP4 BIT(12)
789 #define MVPP2_PRS_RI_L3_IP4_OPT BIT(13)
790 #define MVPP2_PRS_RI_L3_IP4_OTHER (BIT(12) | BIT(13))
791 #define MVPP2_PRS_RI_L3_IP6 BIT(14)
792 #define MVPP2_PRS_RI_L3_IP6_EXT (BIT(12) | BIT(14))
793 #define MVPP2_PRS_RI_L3_ARP (BIT(13) | BIT(14))
794 #define MVPP2_PRS_RI_L3_ADDR_MASK (BIT(15) | BIT(16))
795 #define MVPP2_PRS_RI_L3_UCAST 0x0
796 #define MVPP2_PRS_RI_L3_MCAST BIT(15)
797 #define MVPP2_PRS_RI_L3_BCAST (BIT(15) | BIT(16))
798 #define MVPP2_PRS_RI_IP_FRAG_MASK 0x20000
799 #define MVPP2_PRS_RI_UDF3_MASK 0x300000
800 #define MVPP2_PRS_RI_UDF3_RX_SPECIAL BIT(21)
801 #define MVPP2_PRS_RI_L4_PROTO_MASK 0x1c00000
802 #define MVPP2_PRS_RI_L4_TCP BIT(22)
803 #define MVPP2_PRS_RI_L4_UDP BIT(23)
804 #define MVPP2_PRS_RI_L4_OTHER (BIT(22) | BIT(23))
805 #define MVPP2_PRS_RI_UDF7_MASK 0x60000000
806 #define MVPP2_PRS_RI_UDF7_IP6_LITE BIT(29)
807 #define MVPP2_PRS_RI_DROP_MASK 0x80000000
809 /* Sram additional info bits assignment */
810 #define MVPP2_PRS_IPV4_DIP_AI_BIT BIT(0)
811 #define MVPP2_PRS_IPV6_NO_EXT_AI_BIT BIT(0)
812 #define MVPP2_PRS_IPV6_EXT_AI_BIT BIT(1)
813 #define MVPP2_PRS_IPV6_EXT_AH_AI_BIT BIT(2)
814 #define MVPP2_PRS_IPV6_EXT_AH_LEN_AI_BIT BIT(3)
815 #define MVPP2_PRS_IPV6_EXT_AH_L4_AI_BIT BIT(4)
816 #define MVPP2_PRS_SINGLE_VLAN_AI 0
817 #define MVPP2_PRS_DBL_VLAN_AI_BIT BIT(7)
820 #define MVPP2_PRS_TAGGED true
821 #define MVPP2_PRS_UNTAGGED false
822 #define MVPP2_PRS_EDSA true
823 #define MVPP2_PRS_DSA false
825 /* MAC entries, shadow udf */
827 MVPP2_PRS_UDF_MAC_DEF,
828 MVPP2_PRS_UDF_MAC_RANGE,
829 MVPP2_PRS_UDF_L2_DEF,
830 MVPP2_PRS_UDF_L2_DEF_COPY,
831 MVPP2_PRS_UDF_L2_USER,
835 enum mvpp2_prs_lookup {
849 enum mvpp2_prs_l3_cast {
850 MVPP2_PRS_L3_UNI_CAST,
851 MVPP2_PRS_L3_MULTI_CAST,
852 MVPP2_PRS_L3_BROAD_CAST
855 /* Classifier constants */
856 #define MVPP2_CLS_FLOWS_TBL_SIZE 512
857 #define MVPP2_CLS_FLOWS_TBL_DATA_WORDS 3
858 #define MVPP2_CLS_LKP_TBL_SIZE 64
861 #define MVPP2_BM_POOLS_NUM 1
862 #define MVPP2_BM_LONG_BUF_NUM 16
863 #define MVPP2_BM_SHORT_BUF_NUM 16
864 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
865 #define MVPP2_BM_POOL_PTR_ALIGN 128
866 #define MVPP2_BM_SWF_LONG_POOL(port) 0
868 /* BM cookie (32 bits) definition */
869 #define MVPP2_BM_COOKIE_POOL_OFFS 8
870 #define MVPP2_BM_COOKIE_CPU_OFFS 24
872 /* BM short pool packet size
873 * These value assure that for SWF the total number
874 * of bytes allocated for each buffer will be 512
876 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(512)
886 /* Shared Packet Processor resources */
888 /* Shared registers' base addresses */
890 void __iomem *lms_base;
891 void __iomem *iface_base;
893 void __iomem *mpcs_base;
894 void __iomem *xpcs_base;
895 void __iomem *rfu1_base;
899 /* List of pointers to port structures */
900 struct mvpp2_port **port_list;
902 /* Aggregated TXQs */
903 struct mvpp2_tx_queue *aggr_txqs;
906 struct mvpp2_bm_pool *bm_pools;
908 /* PRS shadow table */
909 struct mvpp2_prs_shadow *prs_shadow;
910 /* PRS auxiliary table for double vlan entries control */
911 bool *prs_double_vlans;
917 enum { MVPP21, MVPP22 } hw_version;
919 /* Maximum number of RXQs per port */
920 unsigned int max_port_rxqs;
926 struct mvpp2_pcpu_stats {
936 /* Index of the port from the "group of ports" complex point
945 /* Per-port registers' base address */
948 struct mvpp2_rx_queue **rxqs;
949 struct mvpp2_tx_queue **txqs;
953 u32 pending_cause_rx;
955 /* Per-CPU port control */
956 struct mvpp2_port_pcpu __percpu *pcpu;
963 struct mvpp2_pcpu_stats __percpu *stats;
965 struct phy_device *phy_dev;
966 phy_interface_t phy_interface;
968 struct udevice *mdio_dev;
970 #if CONFIG_IS_ENABLED(DM_GPIO)
971 struct gpio_desc phy_reset_gpio;
972 struct gpio_desc phy_tx_disable_gpio;
979 struct mvpp2_bm_pool *pool_long;
980 struct mvpp2_bm_pool *pool_short;
982 /* Index of first port's physical RXQ */
985 u8 dev_addr[ETH_ALEN];
988 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
989 * layout of the transmit and reception DMA descriptors, and their
990 * layout is therefore defined by the hardware design
993 #define MVPP2_TXD_L3_OFF_SHIFT 0
994 #define MVPP2_TXD_IP_HLEN_SHIFT 8
995 #define MVPP2_TXD_L4_CSUM_FRAG BIT(13)
996 #define MVPP2_TXD_L4_CSUM_NOT BIT(14)
997 #define MVPP2_TXD_IP_CSUM_DISABLE BIT(15)
998 #define MVPP2_TXD_PADDING_DISABLE BIT(23)
999 #define MVPP2_TXD_L4_UDP BIT(24)
1000 #define MVPP2_TXD_L3_IP6 BIT(26)
1001 #define MVPP2_TXD_L_DESC BIT(28)
1002 #define MVPP2_TXD_F_DESC BIT(29)
1004 #define MVPP2_RXD_ERR_SUMMARY BIT(15)
1005 #define MVPP2_RXD_ERR_CODE_MASK (BIT(13) | BIT(14))
1006 #define MVPP2_RXD_ERR_CRC 0x0
1007 #define MVPP2_RXD_ERR_OVERRUN BIT(13)
1008 #define MVPP2_RXD_ERR_RESOURCE (BIT(13) | BIT(14))
1009 #define MVPP2_RXD_BM_POOL_ID_OFFS 16
1010 #define MVPP2_RXD_BM_POOL_ID_MASK (BIT(16) | BIT(17) | BIT(18))
1011 #define MVPP2_RXD_HWF_SYNC BIT(21)
1012 #define MVPP2_RXD_L4_CSUM_OK BIT(22)
1013 #define MVPP2_RXD_IP4_HEADER_ERR BIT(24)
1014 #define MVPP2_RXD_L4_TCP BIT(25)
1015 #define MVPP2_RXD_L4_UDP BIT(26)
1016 #define MVPP2_RXD_L3_IP4 BIT(28)
1017 #define MVPP2_RXD_L3_IP6 BIT(30)
1018 #define MVPP2_RXD_BUF_HDR BIT(31)
1020 /* HW TX descriptor for PPv2.1 */
1021 struct mvpp21_tx_desc {
1022 u32 command; /* Options used by HW for packet transmitting.*/
1023 u8 packet_offset; /* the offset from the buffer beginning */
1024 u8 phys_txq; /* destination queue ID */
1025 u16 data_size; /* data size of transmitted packet in bytes */
1026 u32 buf_dma_addr; /* physical addr of transmitted buffer */
1027 u32 buf_cookie; /* cookie for access to TX buffer in tx path */
1028 u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
1029 u32 reserved2; /* reserved (for future use) */
1032 /* HW RX descriptor for PPv2.1 */
1033 struct mvpp21_rx_desc {
1034 u32 status; /* info about received packet */
1035 u16 reserved1; /* parser_info (for future use, PnC) */
1036 u16 data_size; /* size of received packet in bytes */
1037 u32 buf_dma_addr; /* physical address of the buffer */
1038 u32 buf_cookie; /* cookie for access to RX buffer in rx path */
1039 u16 reserved2; /* gem_port_id (for future use, PON) */
1040 u16 reserved3; /* csum_l4 (for future use, PnC) */
1041 u8 reserved4; /* bm_qset (for future use, BM) */
1043 u16 reserved6; /* classify_info (for future use, PnC) */
1044 u32 reserved7; /* flow_id (for future use, PnC) */
1048 /* HW TX descriptor for PPv2.2 */
1049 struct mvpp22_tx_desc {
1055 u64 buf_dma_addr_ptp;
1056 u64 buf_cookie_misc;
1059 /* HW RX descriptor for PPv2.2 */
1060 struct mvpp22_rx_desc {
1066 u64 buf_dma_addr_key_hash;
1067 u64 buf_cookie_misc;
1070 /* Opaque type used by the driver to manipulate the HW TX and RX
1073 struct mvpp2_tx_desc {
1075 struct mvpp21_tx_desc pp21;
1076 struct mvpp22_tx_desc pp22;
1080 struct mvpp2_rx_desc {
1082 struct mvpp21_rx_desc pp21;
1083 struct mvpp22_rx_desc pp22;
1087 /* Per-CPU Tx queue control */
1088 struct mvpp2_txq_pcpu {
1091 /* Number of Tx DMA descriptors in the descriptor ring */
1094 /* Number of currently used Tx DMA descriptor in the
1099 /* Number of Tx DMA descriptors reserved for each CPU */
1102 /* Index of last TX DMA descriptor that was inserted */
1105 /* Index of the TX DMA descriptor to be cleaned up */
1109 struct mvpp2_tx_queue {
1110 /* Physical number of this Tx queue */
1113 /* Logical number of this Tx queue */
1116 /* Number of Tx DMA descriptors in the descriptor ring */
1119 /* Number of currently used Tx DMA descriptor in the descriptor ring */
1122 /* Per-CPU control of physical Tx queues */
1123 struct mvpp2_txq_pcpu __percpu *pcpu;
1127 /* Virtual address of thex Tx DMA descriptors array */
1128 struct mvpp2_tx_desc *descs;
1130 /* DMA address of the Tx DMA descriptors array */
1131 dma_addr_t descs_dma;
1133 /* Index of the last Tx DMA descriptor */
1136 /* Index of the next Tx DMA descriptor to process */
1137 int next_desc_to_proc;
1140 struct mvpp2_rx_queue {
1141 /* RX queue number, in the range 0-31 for physical RXQs */
1144 /* Num of rx descriptors in the rx descriptor ring */
1150 /* Virtual address of the RX DMA descriptors array */
1151 struct mvpp2_rx_desc *descs;
1153 /* DMA address of the RX DMA descriptors array */
1154 dma_addr_t descs_dma;
1156 /* Index of the last RX DMA descriptor */
1159 /* Index of the next RX DMA descriptor to process */
1160 int next_desc_to_proc;
1162 /* ID of port to which physical RXQ is mapped */
1165 /* Port's logic RXQ number to which physical RXQ is mapped */
1169 union mvpp2_prs_tcam_entry {
1170 u32 word[MVPP2_PRS_TCAM_WORDS];
1171 u8 byte[MVPP2_PRS_TCAM_WORDS * 4];
1174 union mvpp2_prs_sram_entry {
1175 u32 word[MVPP2_PRS_SRAM_WORDS];
1176 u8 byte[MVPP2_PRS_SRAM_WORDS * 4];
1179 struct mvpp2_prs_entry {
1181 union mvpp2_prs_tcam_entry tcam;
1182 union mvpp2_prs_sram_entry sram;
1185 struct mvpp2_prs_shadow {
1192 /* User defined offset */
1200 struct mvpp2_cls_flow_entry {
1202 u32 data[MVPP2_CLS_FLOWS_TBL_DATA_WORDS];
1205 struct mvpp2_cls_lookup_entry {
1211 struct mvpp2_bm_pool {
1212 /* Pool number in the range 0-7 */
1214 enum mvpp2_bm_type type;
1216 /* Buffer Pointers Pool External (BPPE) size */
1218 /* Number of buffers for this pool */
1220 /* Pool buffer size */
1225 /* BPPE virtual base address */
1226 unsigned long *virt_addr;
1227 /* BPPE DMA base address */
1228 dma_addr_t dma_addr;
1230 /* Ports using BM pool */
1234 /* Static declaractions */
1236 /* Number of RXQs used by single port */
1237 static int rxq_number = MVPP2_DEFAULT_RXQ;
1238 /* Number of TXQs used by single port */
1239 static int txq_number = MVPP2_DEFAULT_TXQ;
1243 #define MVPP2_DRIVER_NAME "mvpp2"
1244 #define MVPP2_DRIVER_VERSION "1.0"
1247 * U-Boot internal data, mostly uncached buffers for descriptors and data
1249 struct buffer_location {
1250 struct mvpp2_tx_desc *aggr_tx_descs;
1251 struct mvpp2_tx_desc *tx_descs;
1252 struct mvpp2_rx_desc *rx_descs;
1253 unsigned long *bm_pool[MVPP2_BM_POOLS_NUM];
1254 unsigned long *rx_buffer[MVPP2_BM_LONG_BUF_NUM];
1259 * All 4 interfaces use the same global buffer, since only one interface
1260 * can be enabled at once
1262 static struct buffer_location buffer_loc;
1263 static int buffer_loc_init;
1266 * Page table entries are set to 1MB, or multiples of 1MB
1267 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
1269 #define BD_SPACE (1 << 20)
1271 /* Utility/helper methods */
1273 static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
1275 writel(data, priv->base + offset);
1278 static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
1280 return readl(priv->base + offset);
1283 static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
1284 struct mvpp2_tx_desc *tx_desc,
1285 dma_addr_t dma_addr)
1287 if (port->priv->hw_version == MVPP21) {
1288 tx_desc->pp21.buf_dma_addr = dma_addr;
1290 u64 val = (u64)dma_addr;
1292 tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
1293 tx_desc->pp22.buf_dma_addr_ptp |= val;
1297 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
1298 struct mvpp2_tx_desc *tx_desc,
1301 if (port->priv->hw_version == MVPP21)
1302 tx_desc->pp21.data_size = size;
1304 tx_desc->pp22.data_size = size;
1307 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
1308 struct mvpp2_tx_desc *tx_desc,
1311 if (port->priv->hw_version == MVPP21)
1312 tx_desc->pp21.phys_txq = txq;
1314 tx_desc->pp22.phys_txq = txq;
1317 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
1318 struct mvpp2_tx_desc *tx_desc,
1319 unsigned int command)
1321 if (port->priv->hw_version == MVPP21)
1322 tx_desc->pp21.command = command;
1324 tx_desc->pp22.command = command;
1327 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
1328 struct mvpp2_tx_desc *tx_desc,
1329 unsigned int offset)
1331 if (port->priv->hw_version == MVPP21)
1332 tx_desc->pp21.packet_offset = offset;
1334 tx_desc->pp22.packet_offset = offset;
1337 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
1338 struct mvpp2_rx_desc *rx_desc)
1340 if (port->priv->hw_version == MVPP21)
1341 return rx_desc->pp21.buf_dma_addr;
1343 return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
1346 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
1347 struct mvpp2_rx_desc *rx_desc)
1349 if (port->priv->hw_version == MVPP21)
1350 return rx_desc->pp21.buf_cookie;
1352 return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
1355 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
1356 struct mvpp2_rx_desc *rx_desc)
1358 if (port->priv->hw_version == MVPP21)
1359 return rx_desc->pp21.data_size;
1361 return rx_desc->pp22.data_size;
1364 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
1365 struct mvpp2_rx_desc *rx_desc)
1367 if (port->priv->hw_version == MVPP21)
1368 return rx_desc->pp21.status;
1370 return rx_desc->pp22.status;
1373 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
1375 txq_pcpu->txq_get_index++;
1376 if (txq_pcpu->txq_get_index == txq_pcpu->size)
1377 txq_pcpu->txq_get_index = 0;
1380 /* Get number of physical egress port */
1381 static inline int mvpp2_egress_port(struct mvpp2_port *port)
1383 return MVPP2_MAX_TCONT + port->id;
1386 /* Get number of physical TXQ */
1387 static inline int mvpp2_txq_phys(int port, int txq)
1389 return (MVPP2_MAX_TCONT + port) * MVPP2_MAX_TXQ + txq;
1392 /* Parser configuration routines */
1394 /* Update parser tcam and sram hw entries */
1395 static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1399 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1402 /* Clear entry invalidation bit */
1403 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
1405 /* Write tcam index - indirect access */
1406 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1407 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1408 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam.word[i]);
1410 /* Write sram index - indirect access */
1411 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1412 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1413 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram.word[i]);
1418 /* Read tcam entry from hw */
1419 static int mvpp2_prs_hw_read(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1423 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1426 /* Write tcam index - indirect access */
1427 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1429 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] = mvpp2_read(priv,
1430 MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD));
1431 if (pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] & MVPP2_PRS_TCAM_INV_MASK)
1432 return MVPP2_PRS_TCAM_ENTRY_INVALID;
1434 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1435 pe->tcam.word[i] = mvpp2_read(priv, MVPP2_PRS_TCAM_DATA_REG(i));
1437 /* Write sram index - indirect access */
1438 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1439 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1440 pe->sram.word[i] = mvpp2_read(priv, MVPP2_PRS_SRAM_DATA_REG(i));
1445 /* Invalidate tcam hw entry */
1446 static void mvpp2_prs_hw_inv(struct mvpp2 *priv, int index)
1448 /* Write index - indirect access */
1449 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
1450 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD),
1451 MVPP2_PRS_TCAM_INV_MASK);
1454 /* Enable shadow table entry and set its lookup ID */
1455 static void mvpp2_prs_shadow_set(struct mvpp2 *priv, int index, int lu)
1457 priv->prs_shadow[index].valid = true;
1458 priv->prs_shadow[index].lu = lu;
1461 /* Update ri fields in shadow table entry */
1462 static void mvpp2_prs_shadow_ri_set(struct mvpp2 *priv, int index,
1463 unsigned int ri, unsigned int ri_mask)
1465 priv->prs_shadow[index].ri_mask = ri_mask;
1466 priv->prs_shadow[index].ri = ri;
1469 /* Update lookup field in tcam sw entry */
1470 static void mvpp2_prs_tcam_lu_set(struct mvpp2_prs_entry *pe, unsigned int lu)
1472 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_LU_BYTE);
1474 pe->tcam.byte[MVPP2_PRS_TCAM_LU_BYTE] = lu;
1475 pe->tcam.byte[enable_off] = MVPP2_PRS_LU_MASK;
1478 /* Update mask for single port in tcam sw entry */
1479 static void mvpp2_prs_tcam_port_set(struct mvpp2_prs_entry *pe,
1480 unsigned int port, bool add)
1482 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1485 pe->tcam.byte[enable_off] &= ~(1 << port);
1487 pe->tcam.byte[enable_off] |= 1 << port;
1490 /* Update port map in tcam sw entry */
1491 static void mvpp2_prs_tcam_port_map_set(struct mvpp2_prs_entry *pe,
1494 unsigned char port_mask = MVPP2_PRS_PORT_MASK;
1495 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1497 pe->tcam.byte[MVPP2_PRS_TCAM_PORT_BYTE] = 0;
1498 pe->tcam.byte[enable_off] &= ~port_mask;
1499 pe->tcam.byte[enable_off] |= ~ports & MVPP2_PRS_PORT_MASK;
1502 /* Obtain port map from tcam sw entry */
1503 static unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe)
1505 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1507 return ~(pe->tcam.byte[enable_off]) & MVPP2_PRS_PORT_MASK;
1510 /* Set byte of data and its enable bits in tcam sw entry */
1511 static void mvpp2_prs_tcam_data_byte_set(struct mvpp2_prs_entry *pe,
1512 unsigned int offs, unsigned char byte,
1513 unsigned char enable)
1515 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)] = byte;
1516 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)] = enable;
1519 /* Get byte of data and its enable bits from tcam sw entry */
1520 static void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
1521 unsigned int offs, unsigned char *byte,
1522 unsigned char *enable)
1524 *byte = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)];
1525 *enable = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)];
1528 /* Set ethertype in tcam sw entry */
1529 static void mvpp2_prs_match_etype(struct mvpp2_prs_entry *pe, int offset,
1530 unsigned short ethertype)
1532 mvpp2_prs_tcam_data_byte_set(pe, offset + 0, ethertype >> 8, 0xff);
1533 mvpp2_prs_tcam_data_byte_set(pe, offset + 1, ethertype & 0xff, 0xff);
1536 /* Set bits in sram sw entry */
1537 static void mvpp2_prs_sram_bits_set(struct mvpp2_prs_entry *pe, int bit_num,
1540 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] |= (val << (bit_num % 8));
1543 /* Clear bits in sram sw entry */
1544 static void mvpp2_prs_sram_bits_clear(struct mvpp2_prs_entry *pe, int bit_num,
1547 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] &= ~(val << (bit_num % 8));
1550 /* Update ri bits in sram sw entry */
1551 static void mvpp2_prs_sram_ri_update(struct mvpp2_prs_entry *pe,
1552 unsigned int bits, unsigned int mask)
1556 for (i = 0; i < MVPP2_PRS_SRAM_RI_CTRL_BITS; i++) {
1557 int ri_off = MVPP2_PRS_SRAM_RI_OFFS;
1559 if (!(mask & BIT(i)))
1563 mvpp2_prs_sram_bits_set(pe, ri_off + i, 1);
1565 mvpp2_prs_sram_bits_clear(pe, ri_off + i, 1);
1567 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_RI_CTRL_OFFS + i, 1);
1571 /* Update ai bits in sram sw entry */
1572 static void mvpp2_prs_sram_ai_update(struct mvpp2_prs_entry *pe,
1573 unsigned int bits, unsigned int mask)
1576 int ai_off = MVPP2_PRS_SRAM_AI_OFFS;
1578 for (i = 0; i < MVPP2_PRS_SRAM_AI_CTRL_BITS; i++) {
1580 if (!(mask & BIT(i)))
1584 mvpp2_prs_sram_bits_set(pe, ai_off + i, 1);
1586 mvpp2_prs_sram_bits_clear(pe, ai_off + i, 1);
1588 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_AI_CTRL_OFFS + i, 1);
1592 /* Read ai bits from sram sw entry */
1593 static int mvpp2_prs_sram_ai_get(struct mvpp2_prs_entry *pe)
1596 int ai_off = MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_AI_OFFS);
1597 int ai_en_off = ai_off + 1;
1598 int ai_shift = MVPP2_PRS_SRAM_AI_OFFS % 8;
1600 bits = (pe->sram.byte[ai_off] >> ai_shift) |
1601 (pe->sram.byte[ai_en_off] << (8 - ai_shift));
1606 /* In sram sw entry set lookup ID field of the tcam key to be used in the next
1609 static void mvpp2_prs_sram_next_lu_set(struct mvpp2_prs_entry *pe,
1612 int sram_next_off = MVPP2_PRS_SRAM_NEXT_LU_OFFS;
1614 mvpp2_prs_sram_bits_clear(pe, sram_next_off,
1615 MVPP2_PRS_SRAM_NEXT_LU_MASK);
1616 mvpp2_prs_sram_bits_set(pe, sram_next_off, lu);
1619 /* In the sram sw entry set sign and value of the next lookup offset
1620 * and the offset value generated to the classifier
1622 static void mvpp2_prs_sram_shift_set(struct mvpp2_prs_entry *pe, int shift,
1627 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1630 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1634 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_SHIFT_OFFS)] =
1635 (unsigned char)shift;
1637 /* Reset and set operation */
1638 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS,
1639 MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK);
1640 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS, op);
1642 /* Set base offset as current */
1643 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1646 /* In the sram sw entry set sign and value of the user defined offset
1647 * generated to the classifier
1649 static void mvpp2_prs_sram_offset_set(struct mvpp2_prs_entry *pe,
1650 unsigned int type, int offset,
1655 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1656 offset = 0 - offset;
1658 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1662 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_OFFS,
1663 MVPP2_PRS_SRAM_UDF_MASK);
1664 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_OFFS, offset);
1665 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1666 MVPP2_PRS_SRAM_UDF_BITS)] &=
1667 ~(MVPP2_PRS_SRAM_UDF_MASK >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1668 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1669 MVPP2_PRS_SRAM_UDF_BITS)] |=
1670 (offset >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1672 /* Set offset type */
1673 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS,
1674 MVPP2_PRS_SRAM_UDF_TYPE_MASK);
1675 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS, type);
1677 /* Set offset operation */
1678 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS,
1679 MVPP2_PRS_SRAM_OP_SEL_UDF_MASK);
1680 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS, op);
1682 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1683 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] &=
1684 ~(MVPP2_PRS_SRAM_OP_SEL_UDF_MASK >>
1685 (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1687 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1688 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] |=
1689 (op >> (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1691 /* Set base offset as current */
1692 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1695 /* Find parser flow entry */
1696 static struct mvpp2_prs_entry *mvpp2_prs_flow_find(struct mvpp2 *priv, int flow)
1698 struct mvpp2_prs_entry *pe;
1701 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
1704 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
1706 /* Go through the all entires with MVPP2_PRS_LU_FLOWS */
1707 for (tid = MVPP2_PRS_TCAM_SRAM_SIZE - 1; tid >= 0; tid--) {
1710 if (!priv->prs_shadow[tid].valid ||
1711 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_FLOWS)
1715 mvpp2_prs_hw_read(priv, pe);
1716 bits = mvpp2_prs_sram_ai_get(pe);
1718 /* Sram store classification lookup ID in AI bits [5:0] */
1719 if ((bits & MVPP2_PRS_FLOW_ID_MASK) == flow)
1727 /* Return first free tcam index, seeking from start to end */
1728 static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start,
1736 if (end >= MVPP2_PRS_TCAM_SRAM_SIZE)
1737 end = MVPP2_PRS_TCAM_SRAM_SIZE - 1;
1739 for (tid = start; tid <= end; tid++) {
1740 if (!priv->prs_shadow[tid].valid)
1747 /* Enable/disable dropping all mac da's */
1748 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
1750 struct mvpp2_prs_entry pe;
1752 if (priv->prs_shadow[MVPP2_PE_DROP_ALL].valid) {
1753 /* Entry exist - update port only */
1754 pe.index = MVPP2_PE_DROP_ALL;
1755 mvpp2_prs_hw_read(priv, &pe);
1757 /* Entry doesn't exist - create new */
1758 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1759 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1760 pe.index = MVPP2_PE_DROP_ALL;
1762 /* Non-promiscuous mode for all ports - DROP unknown packets */
1763 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1764 MVPP2_PRS_RI_DROP_MASK);
1766 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1767 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1769 /* Update shadow table */
1770 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1772 /* Mask all ports */
1773 mvpp2_prs_tcam_port_map_set(&pe, 0);
1776 /* Update port mask */
1777 mvpp2_prs_tcam_port_set(&pe, port, add);
1779 mvpp2_prs_hw_write(priv, &pe);
1782 /* Set port to promiscuous mode */
1783 static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
1785 struct mvpp2_prs_entry pe;
1787 /* Promiscuous mode - Accept unknown packets */
1789 if (priv->prs_shadow[MVPP2_PE_MAC_PROMISCUOUS].valid) {
1790 /* Entry exist - update port only */
1791 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1792 mvpp2_prs_hw_read(priv, &pe);
1794 /* Entry doesn't exist - create new */
1795 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1796 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1797 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1799 /* Continue - set next lookup */
1800 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1802 /* Set result info bits */
1803 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_UCAST,
1804 MVPP2_PRS_RI_L2_CAST_MASK);
1806 /* Shift to ethertype */
1807 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1808 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1810 /* Mask all ports */
1811 mvpp2_prs_tcam_port_map_set(&pe, 0);
1813 /* Update shadow table */
1814 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1817 /* Update port mask */
1818 mvpp2_prs_tcam_port_set(&pe, port, add);
1820 mvpp2_prs_hw_write(priv, &pe);
1823 /* Accept multicast */
1824 static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
1827 struct mvpp2_prs_entry pe;
1828 unsigned char da_mc;
1830 /* Ethernet multicast address first byte is
1831 * 0x01 for IPv4 and 0x33 for IPv6
1833 da_mc = (index == MVPP2_PE_MAC_MC_ALL) ? 0x01 : 0x33;
1835 if (priv->prs_shadow[index].valid) {
1836 /* Entry exist - update port only */
1838 mvpp2_prs_hw_read(priv, &pe);
1840 /* Entry doesn't exist - create new */
1841 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1842 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1845 /* Continue - set next lookup */
1846 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1848 /* Set result info bits */
1849 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_MCAST,
1850 MVPP2_PRS_RI_L2_CAST_MASK);
1852 /* Update tcam entry data first byte */
1853 mvpp2_prs_tcam_data_byte_set(&pe, 0, da_mc, 0xff);
1855 /* Shift to ethertype */
1856 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1857 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1859 /* Mask all ports */
1860 mvpp2_prs_tcam_port_map_set(&pe, 0);
1862 /* Update shadow table */
1863 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1866 /* Update port mask */
1867 mvpp2_prs_tcam_port_set(&pe, port, add);
1869 mvpp2_prs_hw_write(priv, &pe);
1872 /* Parser per-port initialization */
1873 static void mvpp2_prs_hw_port_init(struct mvpp2 *priv, int port, int lu_first,
1874 int lu_max, int offset)
1879 val = mvpp2_read(priv, MVPP2_PRS_INIT_LOOKUP_REG);
1880 val &= ~MVPP2_PRS_PORT_LU_MASK(port);
1881 val |= MVPP2_PRS_PORT_LU_VAL(port, lu_first);
1882 mvpp2_write(priv, MVPP2_PRS_INIT_LOOKUP_REG, val);
1884 /* Set maximum number of loops for packet received from port */
1885 val = mvpp2_read(priv, MVPP2_PRS_MAX_LOOP_REG(port));
1886 val &= ~MVPP2_PRS_MAX_LOOP_MASK(port);
1887 val |= MVPP2_PRS_MAX_LOOP_VAL(port, lu_max);
1888 mvpp2_write(priv, MVPP2_PRS_MAX_LOOP_REG(port), val);
1890 /* Set initial offset for packet header extraction for the first
1893 val = mvpp2_read(priv, MVPP2_PRS_INIT_OFFS_REG(port));
1894 val &= ~MVPP2_PRS_INIT_OFF_MASK(port);
1895 val |= MVPP2_PRS_INIT_OFF_VAL(port, offset);
1896 mvpp2_write(priv, MVPP2_PRS_INIT_OFFS_REG(port), val);
1899 /* Default flow entries initialization for all ports */
1900 static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
1902 struct mvpp2_prs_entry pe;
1905 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
1906 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1907 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1908 pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
1910 /* Mask all ports */
1911 mvpp2_prs_tcam_port_map_set(&pe, 0);
1914 mvpp2_prs_sram_ai_update(&pe, port, MVPP2_PRS_FLOW_ID_MASK);
1915 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
1917 /* Update shadow table and hw entry */
1918 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_FLOWS);
1919 mvpp2_prs_hw_write(priv, &pe);
1923 /* Set default entry for Marvell Header field */
1924 static void mvpp2_prs_mh_init(struct mvpp2 *priv)
1926 struct mvpp2_prs_entry pe;
1928 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1930 pe.index = MVPP2_PE_MH_DEFAULT;
1931 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
1932 mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE,
1933 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1934 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_MAC);
1936 /* Unmask all ports */
1937 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1939 /* Update shadow table and hw entry */
1940 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH);
1941 mvpp2_prs_hw_write(priv, &pe);
1944 /* Set default entires (place holder) for promiscuous, non-promiscuous and
1945 * multicast MAC addresses
1947 static void mvpp2_prs_mac_init(struct mvpp2 *priv)
1949 struct mvpp2_prs_entry pe;
1951 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1953 /* Non-promiscuous mode for all ports - DROP unknown packets */
1954 pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
1955 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1957 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1958 MVPP2_PRS_RI_DROP_MASK);
1959 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1960 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1962 /* Unmask all ports */
1963 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1965 /* Update shadow table and hw entry */
1966 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1967 mvpp2_prs_hw_write(priv, &pe);
1969 /* place holders only - no ports */
1970 mvpp2_prs_mac_drop_all_set(priv, 0, false);
1971 mvpp2_prs_mac_promisc_set(priv, 0, false);
1972 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
1973 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
1976 /* Match basic ethertypes */
1977 static int mvpp2_prs_etype_init(struct mvpp2 *priv)
1979 struct mvpp2_prs_entry pe;
1982 /* Ethertype: PPPoE */
1983 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
1984 MVPP2_PE_LAST_FREE_TID);
1988 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1989 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
1992 mvpp2_prs_match_etype(&pe, 0, PROT_PPP_SES);
1994 mvpp2_prs_sram_shift_set(&pe, MVPP2_PPPOE_HDR_SIZE,
1995 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1996 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
1997 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_PPPOE_MASK,
1998 MVPP2_PRS_RI_PPPOE_MASK);
2000 /* Update shadow table and hw entry */
2001 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2002 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2003 priv->prs_shadow[pe.index].finish = false;
2004 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_PPPOE_MASK,
2005 MVPP2_PRS_RI_PPPOE_MASK);
2006 mvpp2_prs_hw_write(priv, &pe);
2008 /* Ethertype: ARP */
2009 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2010 MVPP2_PE_LAST_FREE_TID);
2014 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2015 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2018 mvpp2_prs_match_etype(&pe, 0, PROT_ARP);
2020 /* Generate flow in the next iteration*/
2021 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2022 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2023 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_ARP,
2024 MVPP2_PRS_RI_L3_PROTO_MASK);
2026 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2028 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2030 /* Update shadow table and hw entry */
2031 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2032 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2033 priv->prs_shadow[pe.index].finish = true;
2034 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_ARP,
2035 MVPP2_PRS_RI_L3_PROTO_MASK);
2036 mvpp2_prs_hw_write(priv, &pe);
2038 /* Ethertype: LBTD */
2039 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2040 MVPP2_PE_LAST_FREE_TID);
2044 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2045 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2048 mvpp2_prs_match_etype(&pe, 0, MVPP2_IP_LBDT_TYPE);
2050 /* Generate flow in the next iteration*/
2051 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2052 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2053 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2054 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2055 MVPP2_PRS_RI_CPU_CODE_MASK |
2056 MVPP2_PRS_RI_UDF3_MASK);
2058 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2060 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2062 /* Update shadow table and hw entry */
2063 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2064 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2065 priv->prs_shadow[pe.index].finish = true;
2066 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2067 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2068 MVPP2_PRS_RI_CPU_CODE_MASK |
2069 MVPP2_PRS_RI_UDF3_MASK);
2070 mvpp2_prs_hw_write(priv, &pe);
2072 /* Ethertype: IPv4 without options */
2073 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2074 MVPP2_PE_LAST_FREE_TID);
2078 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2079 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2082 mvpp2_prs_match_etype(&pe, 0, PROT_IP);
2083 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2084 MVPP2_PRS_IPV4_HEAD | MVPP2_PRS_IPV4_IHL,
2085 MVPP2_PRS_IPV4_HEAD_MASK |
2086 MVPP2_PRS_IPV4_IHL_MASK);
2088 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4);
2089 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4,
2090 MVPP2_PRS_RI_L3_PROTO_MASK);
2091 /* Skip eth_type + 4 bytes of IP header */
2092 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
2093 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2095 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2097 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2099 /* Update shadow table and hw entry */
2100 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2101 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2102 priv->prs_shadow[pe.index].finish = false;
2103 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4,
2104 MVPP2_PRS_RI_L3_PROTO_MASK);
2105 mvpp2_prs_hw_write(priv, &pe);
2107 /* Ethertype: IPv4 with options */
2108 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2109 MVPP2_PE_LAST_FREE_TID);
2115 /* Clear tcam data before updating */
2116 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(MVPP2_ETH_TYPE_LEN)] = 0x0;
2117 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(MVPP2_ETH_TYPE_LEN)] = 0x0;
2119 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2120 MVPP2_PRS_IPV4_HEAD,
2121 MVPP2_PRS_IPV4_HEAD_MASK);
2123 /* Clear ri before updating */
2124 pe.sram.word[MVPP2_PRS_SRAM_RI_WORD] = 0x0;
2125 pe.sram.word[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0;
2126 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT,
2127 MVPP2_PRS_RI_L3_PROTO_MASK);
2129 /* Update shadow table and hw entry */
2130 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2131 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2132 priv->prs_shadow[pe.index].finish = false;
2133 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4_OPT,
2134 MVPP2_PRS_RI_L3_PROTO_MASK);
2135 mvpp2_prs_hw_write(priv, &pe);
2137 /* Ethertype: IPv6 without options */
2138 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2139 MVPP2_PE_LAST_FREE_TID);
2143 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2144 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2147 mvpp2_prs_match_etype(&pe, 0, PROT_IPV6);
2149 /* Skip DIP of IPV6 header */
2150 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
2151 MVPP2_MAX_L3_ADDR_SIZE,
2152 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2153 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
2154 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
2155 MVPP2_PRS_RI_L3_PROTO_MASK);
2157 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2159 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2161 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2162 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2163 priv->prs_shadow[pe.index].finish = false;
2164 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP6,
2165 MVPP2_PRS_RI_L3_PROTO_MASK);
2166 mvpp2_prs_hw_write(priv, &pe);
2168 /* Default entry for MVPP2_PRS_LU_L2 - Unknown ethtype */
2169 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2170 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2171 pe.index = MVPP2_PE_ETH_TYPE_UN;
2173 /* Unmask all ports */
2174 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
2176 /* Generate flow in the next iteration*/
2177 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2178 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2179 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_UN,
2180 MVPP2_PRS_RI_L3_PROTO_MASK);
2181 /* Set L3 offset even it's unknown L3 */
2182 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2184 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2186 /* Update shadow table and hw entry */
2187 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2188 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2189 priv->prs_shadow[pe.index].finish = true;
2190 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_UN,
2191 MVPP2_PRS_RI_L3_PROTO_MASK);
2192 mvpp2_prs_hw_write(priv, &pe);
2197 /* Parser default initialization */
2198 static int mvpp2_prs_default_init(struct udevice *dev,
2203 /* Enable tcam table */
2204 mvpp2_write(priv, MVPP2_PRS_TCAM_CTRL_REG, MVPP2_PRS_TCAM_EN_MASK);
2206 /* Clear all tcam and sram entries */
2207 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++) {
2208 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
2209 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
2210 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), 0);
2212 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, index);
2213 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
2214 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), 0);
2217 /* Invalidate all tcam entries */
2218 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++)
2219 mvpp2_prs_hw_inv(priv, index);
2221 priv->prs_shadow = devm_kcalloc(dev, MVPP2_PRS_TCAM_SRAM_SIZE,
2222 sizeof(struct mvpp2_prs_shadow),
2224 if (!priv->prs_shadow)
2227 /* Always start from lookup = 0 */
2228 for (index = 0; index < MVPP2_MAX_PORTS; index++)
2229 mvpp2_prs_hw_port_init(priv, index, MVPP2_PRS_LU_MH,
2230 MVPP2_PRS_PORT_LU_MAX, 0);
2232 mvpp2_prs_def_flow_init(priv);
2234 mvpp2_prs_mh_init(priv);
2236 mvpp2_prs_mac_init(priv);
2238 err = mvpp2_prs_etype_init(priv);
2245 /* Compare MAC DA with tcam entry data */
2246 static bool mvpp2_prs_mac_range_equals(struct mvpp2_prs_entry *pe,
2247 const u8 *da, unsigned char *mask)
2249 unsigned char tcam_byte, tcam_mask;
2252 for (index = 0; index < ETH_ALEN; index++) {
2253 mvpp2_prs_tcam_data_byte_get(pe, index, &tcam_byte, &tcam_mask);
2254 if (tcam_mask != mask[index])
2257 if ((tcam_mask & tcam_byte) != (da[index] & mask[index]))
2264 /* Find tcam entry with matched pair <MAC DA, port> */
2265 static struct mvpp2_prs_entry *
2266 mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
2267 unsigned char *mask, int udf_type)
2269 struct mvpp2_prs_entry *pe;
2272 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2275 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2277 /* Go through the all entires with MVPP2_PRS_LU_MAC */
2278 for (tid = MVPP2_PE_FIRST_FREE_TID;
2279 tid <= MVPP2_PE_LAST_FREE_TID; tid++) {
2280 unsigned int entry_pmap;
2282 if (!priv->prs_shadow[tid].valid ||
2283 (priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC) ||
2284 (priv->prs_shadow[tid].udf != udf_type))
2288 mvpp2_prs_hw_read(priv, pe);
2289 entry_pmap = mvpp2_prs_tcam_port_map_get(pe);
2291 if (mvpp2_prs_mac_range_equals(pe, da, mask) &&
2300 /* Update parser's mac da entry */
2301 static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
2302 const u8 *da, bool add)
2304 struct mvpp2_prs_entry *pe;
2305 unsigned int pmap, len, ri;
2306 unsigned char mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2309 /* Scan TCAM and see if entry with this <MAC DA, port> already exist */
2310 pe = mvpp2_prs_mac_da_range_find(priv, (1 << port), da, mask,
2311 MVPP2_PRS_UDF_MAC_DEF);
2318 /* Create new TCAM entry */
2319 /* Find first range mac entry*/
2320 for (tid = MVPP2_PE_FIRST_FREE_TID;
2321 tid <= MVPP2_PE_LAST_FREE_TID; tid++)
2322 if (priv->prs_shadow[tid].valid &&
2323 (priv->prs_shadow[tid].lu == MVPP2_PRS_LU_MAC) &&
2324 (priv->prs_shadow[tid].udf ==
2325 MVPP2_PRS_UDF_MAC_RANGE))
2328 /* Go through the all entries from first to last */
2329 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2334 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2337 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2340 /* Mask all ports */
2341 mvpp2_prs_tcam_port_map_set(pe, 0);
2344 /* Update port mask */
2345 mvpp2_prs_tcam_port_set(pe, port, add);
2347 /* Invalidate the entry if no ports are left enabled */
2348 pmap = mvpp2_prs_tcam_port_map_get(pe);
2354 mvpp2_prs_hw_inv(priv, pe->index);
2355 priv->prs_shadow[pe->index].valid = false;
2360 /* Continue - set next lookup */
2361 mvpp2_prs_sram_next_lu_set(pe, MVPP2_PRS_LU_DSA);
2363 /* Set match on DA */
2366 mvpp2_prs_tcam_data_byte_set(pe, len, da[len], 0xff);
2368 /* Set result info bits */
2369 ri = MVPP2_PRS_RI_L2_UCAST | MVPP2_PRS_RI_MAC_ME_MASK;
2371 mvpp2_prs_sram_ri_update(pe, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2372 MVPP2_PRS_RI_MAC_ME_MASK);
2373 mvpp2_prs_shadow_ri_set(priv, pe->index, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2374 MVPP2_PRS_RI_MAC_ME_MASK);
2376 /* Shift to ethertype */
2377 mvpp2_prs_sram_shift_set(pe, 2 * ETH_ALEN,
2378 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2380 /* Update shadow table and hw entry */
2381 priv->prs_shadow[pe->index].udf = MVPP2_PRS_UDF_MAC_DEF;
2382 mvpp2_prs_shadow_set(priv, pe->index, MVPP2_PRS_LU_MAC);
2383 mvpp2_prs_hw_write(priv, pe);
2390 static int mvpp2_prs_update_mac_da(struct mvpp2_port *port, const u8 *da)
2394 /* Remove old parser entry */
2395 err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr,
2400 /* Add new parser entry */
2401 err = mvpp2_prs_mac_da_accept(port->priv, port->id, da, true);
2405 /* Set addr in the device */
2406 memcpy(port->dev_addr, da, ETH_ALEN);
2411 /* Set prs flow for the port */
2412 static int mvpp2_prs_def_flow(struct mvpp2_port *port)
2414 struct mvpp2_prs_entry *pe;
2417 pe = mvpp2_prs_flow_find(port->priv, port->id);
2419 /* Such entry not exist */
2421 /* Go through the all entires from last to first */
2422 tid = mvpp2_prs_tcam_first_free(port->priv,
2423 MVPP2_PE_LAST_FREE_TID,
2424 MVPP2_PE_FIRST_FREE_TID);
2428 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2432 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
2436 mvpp2_prs_sram_ai_update(pe, port->id, MVPP2_PRS_FLOW_ID_MASK);
2437 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
2439 /* Update shadow table */
2440 mvpp2_prs_shadow_set(port->priv, pe->index, MVPP2_PRS_LU_FLOWS);
2443 mvpp2_prs_tcam_port_map_set(pe, (1 << port->id));
2444 mvpp2_prs_hw_write(port->priv, pe);
2450 /* Classifier configuration routines */
2452 /* Update classification flow table registers */
2453 static void mvpp2_cls_flow_write(struct mvpp2 *priv,
2454 struct mvpp2_cls_flow_entry *fe)
2456 mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, fe->index);
2457 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL0_REG, fe->data[0]);
2458 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL1_REG, fe->data[1]);
2459 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]);
2462 /* Update classification lookup table register */
2463 static void mvpp2_cls_lookup_write(struct mvpp2 *priv,
2464 struct mvpp2_cls_lookup_entry *le)
2468 val = (le->way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | le->lkpid;
2469 mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val);
2470 mvpp2_write(priv, MVPP2_CLS_LKP_TBL_REG, le->data);
2473 /* Classifier default initialization */
2474 static void mvpp2_cls_init(struct mvpp2 *priv)
2476 struct mvpp2_cls_lookup_entry le;
2477 struct mvpp2_cls_flow_entry fe;
2480 /* Enable classifier */
2481 mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
2483 /* Clear classifier flow table */
2484 memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
2485 for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
2487 mvpp2_cls_flow_write(priv, &fe);
2490 /* Clear classifier lookup table */
2492 for (index = 0; index < MVPP2_CLS_LKP_TBL_SIZE; index++) {
2495 mvpp2_cls_lookup_write(priv, &le);
2498 mvpp2_cls_lookup_write(priv, &le);
2502 static void mvpp2_cls_port_config(struct mvpp2_port *port)
2504 struct mvpp2_cls_lookup_entry le;
2507 /* Set way for the port */
2508 val = mvpp2_read(port->priv, MVPP2_CLS_PORT_WAY_REG);
2509 val &= ~MVPP2_CLS_PORT_WAY_MASK(port->id);
2510 mvpp2_write(port->priv, MVPP2_CLS_PORT_WAY_REG, val);
2512 /* Pick the entry to be accessed in lookup ID decoding table
2513 * according to the way and lkpid.
2515 le.lkpid = port->id;
2519 /* Set initial CPU queue for receiving packets */
2520 le.data &= ~MVPP2_CLS_LKP_TBL_RXQ_MASK;
2521 le.data |= port->first_rxq;
2523 /* Disable classification engines */
2524 le.data &= ~MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK;
2526 /* Update lookup ID table entry */
2527 mvpp2_cls_lookup_write(port->priv, &le);
2530 /* Set CPU queue number for oversize packets */
2531 static void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
2535 mvpp2_write(port->priv, MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port->id),
2536 port->first_rxq & MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK);
2538 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_P2HQ_REG(port->id),
2539 (port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
2541 val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
2542 val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
2543 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
2546 /* Buffer Manager configuration routines */
2549 static int mvpp2_bm_pool_create(struct udevice *dev,
2551 struct mvpp2_bm_pool *bm_pool, int size)
2555 /* Number of buffer pointers must be a multiple of 16, as per
2556 * hardware constraints
2558 if (!IS_ALIGNED(size, 16))
2561 bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
2562 bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
2563 if (!bm_pool->virt_addr)
2566 if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
2567 MVPP2_BM_POOL_PTR_ALIGN)) {
2568 dev_err(dev, "BM pool %d is not %d bytes aligned\n",
2569 bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
2573 mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
2574 lower_32_bits(bm_pool->dma_addr));
2575 if (priv->hw_version == MVPP22)
2576 mvpp2_write(priv, MVPP22_BM_POOL_BASE_HIGH_REG,
2577 (upper_32_bits(bm_pool->dma_addr) &
2578 MVPP22_BM_POOL_BASE_HIGH_MASK));
2579 mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
2581 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2582 val |= MVPP2_BM_START_MASK;
2583 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2585 bm_pool->type = MVPP2_BM_FREE;
2586 bm_pool->size = size;
2587 bm_pool->pkt_size = 0;
2588 bm_pool->buf_num = 0;
2593 /* Set pool buffer size */
2594 static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
2595 struct mvpp2_bm_pool *bm_pool,
2600 bm_pool->buf_size = buf_size;
2602 val = ALIGN(buf_size, 1 << MVPP2_POOL_BUF_SIZE_OFFSET);
2603 mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
2606 /* Free all buffers from the pool */
2607 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
2608 struct mvpp2_bm_pool *bm_pool)
2612 for (i = 0; i < bm_pool->buf_num; i++) {
2613 /* Allocate buffer back from the buffer manager */
2614 mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
2617 bm_pool->buf_num = 0;
2621 static int mvpp2_bm_pool_destroy(struct udevice *dev,
2623 struct mvpp2_bm_pool *bm_pool)
2627 mvpp2_bm_bufs_free(dev, priv, bm_pool);
2628 if (bm_pool->buf_num) {
2629 dev_err(dev, "cannot free all buffers in pool %d\n", bm_pool->id);
2633 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2634 val |= MVPP2_BM_STOP_MASK;
2635 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2640 static int mvpp2_bm_pools_init(struct udevice *dev,
2644 struct mvpp2_bm_pool *bm_pool;
2646 /* Create all pools with maximum size */
2647 size = MVPP2_BM_POOL_SIZE_MAX;
2648 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2649 bm_pool = &priv->bm_pools[i];
2651 err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
2653 goto err_unroll_pools;
2654 mvpp2_bm_pool_bufsize_set(priv, bm_pool, RX_BUFFER_SIZE);
2659 dev_err(dev, "failed to create BM pool %d, size %d\n", i, size);
2660 for (i = i - 1; i >= 0; i--)
2661 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
2665 static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
2669 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2670 /* Mask BM all interrupts */
2671 mvpp2_write(priv, MVPP2_BM_INTR_MASK_REG(i), 0);
2672 /* Clear BM cause register */
2673 mvpp2_write(priv, MVPP2_BM_INTR_CAUSE_REG(i), 0);
2676 /* Allocate and initialize BM pools */
2677 priv->bm_pools = devm_kcalloc(dev, MVPP2_BM_POOLS_NUM,
2678 sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
2679 if (!priv->bm_pools)
2682 err = mvpp2_bm_pools_init(dev, priv);
2688 /* Attach long pool to rxq */
2689 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
2690 int lrxq, int long_pool)
2695 /* Get queue physical ID */
2696 prxq = port->rxqs[lrxq]->id;
2698 if (port->priv->hw_version == MVPP21)
2699 mask = MVPP21_RXQ_POOL_LONG_MASK;
2701 mask = MVPP22_RXQ_POOL_LONG_MASK;
2703 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
2705 val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
2706 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
2709 /* Set pool number in a BM cookie */
2710 static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
2714 bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
2715 bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
2720 /* Get pool number from a BM cookie */
2721 static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
2723 return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF;
2726 /* Release buffer to BM */
2727 static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
2728 dma_addr_t buf_dma_addr,
2729 unsigned long buf_phys_addr)
2731 if (port->priv->hw_version == MVPP22) {
2734 if (sizeof(dma_addr_t) == 8)
2735 val |= upper_32_bits(buf_dma_addr) &
2736 MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
2738 if (sizeof(phys_addr_t) == 8)
2739 val |= (upper_32_bits(buf_phys_addr)
2740 << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
2741 MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
2743 mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
2746 /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
2747 * returned in the "cookie" field of the RX
2748 * descriptor. Instead of storing the virtual address, we
2749 * store the physical address
2751 mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
2752 mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
2755 /* Refill BM pool */
2756 static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
2757 dma_addr_t dma_addr,
2758 phys_addr_t phys_addr)
2760 int pool = mvpp2_bm_cookie_pool_get(bm);
2762 mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
2765 /* Allocate buffers for the pool */
2766 static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
2767 struct mvpp2_bm_pool *bm_pool, int buf_num)
2772 (buf_num + bm_pool->buf_num > bm_pool->size)) {
2773 dev_err(port->phy_dev->dev,
2774 "cannot allocate %d buffers for pool %d\n", buf_num,
2779 for (i = 0; i < buf_num; i++) {
2780 mvpp2_bm_pool_put(port, bm_pool->id,
2781 (dma_addr_t)buffer_loc.rx_buffer[i],
2782 (unsigned long)buffer_loc.rx_buffer[i]);
2786 /* Update BM driver with number of buffers added to pool */
2787 bm_pool->buf_num += i;
2792 /* Notify the driver that BM pool is being used as specific type and return the
2793 * pool pointer on success
2795 static struct mvpp2_bm_pool *
2796 mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
2799 struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool];
2802 if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) {
2803 dev_err(port->phy_dev->dev, "mixing pool types is forbidden\n");
2807 if (new_pool->type == MVPP2_BM_FREE)
2808 new_pool->type = type;
2810 /* Allocate buffers in case BM pool is used as long pool, but packet
2811 * size doesn't match MTU or BM pool hasn't being used yet
2813 if (((type == MVPP2_BM_SWF_LONG) && (pkt_size > new_pool->pkt_size)) ||
2814 (new_pool->pkt_size == 0)) {
2817 /* Set default buffer number or free all the buffers in case
2818 * the pool is not empty
2820 pkts_num = new_pool->buf_num;
2822 pkts_num = type == MVPP2_BM_SWF_LONG ?
2823 MVPP2_BM_LONG_BUF_NUM :
2824 MVPP2_BM_SHORT_BUF_NUM;
2826 mvpp2_bm_bufs_free(NULL,
2827 port->priv, new_pool);
2829 new_pool->pkt_size = pkt_size;
2831 /* Allocate buffers for this pool */
2832 num = mvpp2_bm_bufs_add(port, new_pool, pkts_num);
2833 if (num != pkts_num) {
2834 dev_err(port->phy_dev->dev,
2835 "pool %d: %d of %d allocated\n", new_pool->id,
2844 /* Initialize pools for swf */
2845 static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port)
2849 if (!port->pool_long) {
2851 mvpp2_bm_pool_use(port, MVPP2_BM_SWF_LONG_POOL(port->id),
2854 if (!port->pool_long)
2857 port->pool_long->port_map |= (1 << port->id);
2859 for (rxq = 0; rxq < rxq_number; rxq++)
2860 mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id);
2866 /* Port configuration routines */
2868 static void mvpp2_port_mii_set(struct mvpp2_port *port)
2872 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2874 switch (port->phy_interface) {
2875 case PHY_INTERFACE_MODE_SGMII:
2876 case PHY_INTERFACE_MODE_SGMII_2500:
2877 val |= MVPP2_GMAC_INBAND_AN_MASK;
2879 case PHY_INTERFACE_MODE_1000BASEX:
2880 case PHY_INTERFACE_MODE_2500BASEX:
2881 val &= ~MVPP2_GMAC_INBAND_AN_MASK;
2883 case PHY_INTERFACE_MODE_RGMII:
2884 case PHY_INTERFACE_MODE_RGMII_ID:
2885 val |= MVPP2_GMAC_PORT_RGMII_MASK;
2887 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
2890 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2893 static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
2897 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2898 val |= MVPP2_GMAC_FC_ADV_EN;
2899 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2902 static void mvpp2_port_enable(struct mvpp2_port *port)
2906 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2907 val |= MVPP2_GMAC_PORT_EN_MASK;
2908 val |= MVPP2_GMAC_MIB_CNTR_EN_MASK;
2909 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2912 static void mvpp2_port_disable(struct mvpp2_port *port)
2916 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2917 val &= ~(MVPP2_GMAC_PORT_EN_MASK);
2918 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2921 /* Set IEEE 802.3x Flow Control Xon Packet Transmission Mode */
2922 static void mvpp2_port_periodic_xon_disable(struct mvpp2_port *port)
2926 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG) &
2927 ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
2928 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2931 /* Configure loopback port */
2932 static void mvpp2_port_loopback_set(struct mvpp2_port *port)
2936 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
2938 if (port->speed == 1000)
2939 val |= MVPP2_GMAC_GMII_LB_EN_MASK;
2941 val &= ~MVPP2_GMAC_GMII_LB_EN_MASK;
2943 if (port->phy_interface == PHY_INTERFACE_MODE_SGMII ||
2944 port->phy_interface == PHY_INTERFACE_MODE_SGMII_2500 ||
2945 port->phy_interface == PHY_INTERFACE_MODE_1000BASEX ||
2946 port->phy_interface == PHY_INTERFACE_MODE_2500BASEX)
2947 val |= MVPP2_GMAC_PCS_LB_EN_MASK;
2949 val &= ~MVPP2_GMAC_PCS_LB_EN_MASK;
2951 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2954 static void mvpp2_port_reset(struct mvpp2_port *port)
2958 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2959 ~MVPP2_GMAC_PORT_RESET_MASK;
2960 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2962 while (readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2963 MVPP2_GMAC_PORT_RESET_MASK)
2967 /* Change maximum receive size of the port */
2968 static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port)
2972 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2973 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
2974 val |= (((port->pkt_size - MVPP2_MH_SIZE) / 2) <<
2975 MVPP2_GMAC_MAX_RX_SIZE_OFFS);
2976 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2979 /* PPv2.2 GoP/GMAC config */
2981 /* Set the MAC to reset or exit from reset */
2982 static int gop_gmac_reset(struct mvpp2_port *port, int reset)
2986 /* read - modify - write */
2987 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2989 val |= MVPP2_GMAC_PORT_RESET_MASK;
2991 val &= ~MVPP2_GMAC_PORT_RESET_MASK;
2992 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3000 * Configure port to working with Gig PCS or don't.
3002 static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en)
3006 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3008 val |= MVPP2_GMAC_PCS_ENABLE_MASK;
3010 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
3011 /* enable / disable PCS on this port */
3012 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3017 static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en)
3021 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3023 val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3025 val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3026 /* enable / disable PCS on this port */
3027 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3032 static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
3037 * Configure minimal level of the Tx FIFO before the lower part
3038 * starts to read a packet
3040 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3041 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3042 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3043 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3044 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3046 /* Disable bypass of sync module */
3047 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3048 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3049 /* configure DP clock select according to mode */
3050 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3051 /* configure QSGMII bypass according to mode */
3052 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3053 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3055 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3057 * Configure GIG MAC to SGMII mode connected to a fiber
3060 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3061 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3063 /* configure AN 0x9268 */
3064 val = MVPP2_GMAC_EN_PCS_AN |
3065 MVPP2_GMAC_AN_BYPASS_EN |
3066 MVPP2_GMAC_CONFIG_MII_SPEED |
3067 MVPP2_GMAC_CONFIG_GMII_SPEED |
3068 MVPP2_GMAC_FC_ADV_EN |
3069 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3070 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3071 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3074 static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
3079 * Configure minimal level of the Tx FIFO before the lower part
3080 * starts to read a packet
3082 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3083 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3084 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3085 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3086 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3088 /* Disable bypass of sync module */
3089 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3090 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3091 /* configure DP clock select according to mode */
3092 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3093 /* configure QSGMII bypass according to mode */
3094 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3095 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3097 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3098 /* configure GIG MAC to SGMII mode */
3099 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3100 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3103 val = MVPP2_GMAC_EN_PCS_AN |
3104 MVPP2_GMAC_AN_BYPASS_EN |
3105 MVPP2_GMAC_AN_SPEED_EN |
3106 MVPP2_GMAC_EN_FC_AN |
3107 MVPP2_GMAC_AN_DUPLEX_EN |
3108 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3109 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3112 static void gop_gmac_2500basex_cfg(struct mvpp2_port *port)
3117 * Configure minimal level of the Tx FIFO before the lower part
3118 * starts to read a packet
3120 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3121 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3122 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3123 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3124 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3126 /* Disable bypass of sync module */
3127 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3128 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3129 /* configure DP clock select according to mode */
3130 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3131 /* configure QSGMII bypass according to mode */
3132 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3133 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3135 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3137 * Configure GIG MAC to 2500Base-X mode connected to a fiber
3140 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3141 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3143 /* In 2500BaseX mode, we can't negotiate speed
3144 * and we do not want InBand autoneg
3145 * bypass enabled (link interrupt storm risk
3148 val = MVPP2_GMAC_AN_BYPASS_EN |
3149 MVPP2_GMAC_EN_PCS_AN |
3150 MVPP2_GMAC_CONFIG_GMII_SPEED |
3151 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3152 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3153 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3156 static void gop_gmac_1000basex_cfg(struct mvpp2_port *port)
3161 * Configure minimal level of the Tx FIFO before the lower part
3162 * starts to read a packet
3164 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3165 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3166 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3167 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3168 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3170 /* Disable bypass of sync module */
3171 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3172 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3173 /* configure DP clock select according to mode */
3174 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3175 /* configure QSGMII bypass according to mode */
3176 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3177 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3179 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3180 /* configure GIG MAC to 1000BASEX mode */
3181 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3182 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3184 /* In 1000BaseX mode, we can't negotiate speed (it's
3185 * only 1000), and we do not want InBand autoneg
3186 * bypass enabled (link interrupt storm risk
3189 val = MVPP2_GMAC_AN_BYPASS_EN |
3190 MVPP2_GMAC_EN_PCS_AN |
3191 MVPP2_GMAC_CONFIG_GMII_SPEED |
3192 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3193 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3194 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3197 static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
3202 * Configure minimal level of the Tx FIFO before the lower part
3203 * starts to read a packet
3205 thresh = MVPP2_RGMII_TX_FIFO_MIN_TH;
3206 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3207 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3208 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3209 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3211 /* Disable bypass of sync module */
3212 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3213 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3214 /* configure DP clock select according to mode */
3215 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3216 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3217 val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
3218 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3220 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3221 /* configure GIG MAC to SGMII mode */
3222 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3223 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3225 /* configure AN 0xb8e8 */
3226 val = MVPP2_GMAC_AN_BYPASS_EN |
3227 MVPP2_GMAC_AN_SPEED_EN |
3228 MVPP2_GMAC_EN_FC_AN |
3229 MVPP2_GMAC_AN_DUPLEX_EN |
3230 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3231 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3234 /* Set the internal mux's to the required MAC in the GOP */
3235 static int gop_gmac_mode_cfg(struct mvpp2_port *port)
3239 /* Set TX FIFO thresholds */
3240 switch (port->phy_interface) {
3241 case PHY_INTERFACE_MODE_SGMII:
3242 gop_gmac_sgmii_cfg(port);
3244 case PHY_INTERFACE_MODE_SGMII_2500:
3245 gop_gmac_sgmii2_5_cfg(port);
3247 case PHY_INTERFACE_MODE_1000BASEX:
3248 gop_gmac_1000basex_cfg(port);
3251 case PHY_INTERFACE_MODE_2500BASEX:
3252 gop_gmac_2500basex_cfg(port);
3255 case PHY_INTERFACE_MODE_RGMII:
3256 case PHY_INTERFACE_MODE_RGMII_ID:
3257 gop_gmac_rgmii_cfg(port);
3264 /* Jumbo frame support - 0x1400*2= 0x2800 bytes */
3265 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3266 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
3267 val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS;
3268 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3270 /* PeriodicXonEn disable */
3271 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
3272 val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
3273 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
3278 static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port)
3282 /* relevant only for MAC0 (XLG0 and GMAC0) */
3283 if (port->gop_id > 0)
3286 /* configure 1Gig MAC mode */
3287 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3288 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3289 val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
3290 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3293 static int gop_gpcs_reset(struct mvpp2_port *port, int reset)
3297 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3299 val &= ~MVPP2_GMAC_SGMII_MODE_MASK;
3301 val |= MVPP2_GMAC_SGMII_MODE_MASK;
3302 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3307 static int gop_mpcs_mode(struct mvpp2_port *port)
3311 /* configure PCS40G COMMON CONTROL */
3312 val = readl(port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3313 PCS40G_COMMON_CONTROL);
3314 val &= ~FORWARD_ERROR_CORRECTION_MASK;
3315 writel(val, port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3316 PCS40G_COMMON_CONTROL);
3318 /* configure PCS CLOCK RESET */
3319 val = readl(port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3321 val &= ~CLK_DIVISION_RATIO_MASK;
3322 val |= 1 << CLK_DIVISION_RATIO_OFFS;
3323 writel(val, port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3326 val &= ~CLK_DIV_PHASE_SET_MASK;
3327 val |= MAC_CLK_RESET_MASK;
3328 val |= RX_SD_CLK_RESET_MASK;
3329 val |= TX_SD_CLK_RESET_MASK;
3330 writel(val, port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3336 /* Set the internal mux's to the required MAC in the GOP */
3337 static int gop_xlg_mac_mode_cfg(struct mvpp2_port *port, int num_of_act_lanes)
3341 /* configure 10G MAC mode */
3342 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3343 val |= MVPP22_XLG_RX_FC_EN;
3344 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3346 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3347 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3348 val |= MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC;
3349 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3351 /* read - modify - write */
3352 val = readl(port->base + MVPP22_XLG_CTRL4_REG);
3353 val &= ~MVPP22_XLG_MODE_DMA_1G;
3354 val |= MVPP22_XLG_FORWARD_PFC_EN;
3355 val |= MVPP22_XLG_FORWARD_802_3X_FC_EN;
3356 val &= ~MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK;
3357 writel(val, port->base + MVPP22_XLG_CTRL4_REG);
3359 /* Jumbo frame support: 0x1400 * 2 = 0x2800 bytes */
3360 val = readl(port->base + MVPP22_XLG_CTRL1_REG);
3361 val &= ~MVPP22_XLG_MAX_RX_SIZE_MASK;
3362 val |= 0x1400 << MVPP22_XLG_MAX_RX_SIZE_OFFS;
3363 writel(val, port->base + MVPP22_XLG_CTRL1_REG);
3365 /* unmask link change interrupt */
3366 val = readl(port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3367 val |= MVPP22_XLG_INTERRUPT_LINK_CHANGE;
3368 val |= 1; /* unmask summary bit */
3369 writel(val, port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3374 /* Set the MAC to reset or exit from reset */
3375 static int gop_xlg_mac_reset(struct mvpp2_port *port, int reset)
3379 /* read - modify - write */
3380 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3382 val &= ~MVPP22_XLG_MAC_RESETN;
3384 val |= MVPP22_XLG_MAC_RESETN;
3385 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3393 * Init physical port. Configures the port mode and all it's elements
3395 * Does not verify that the selected mode/port number is valid at the
3398 static int gop_port_init(struct mvpp2_port *port)
3400 int mac_num = port->gop_id;
3401 int num_of_act_lanes;
3403 if (mac_num >= MVPP22_GOP_MAC_NUM) {
3404 log_err("illegal port number %d", mac_num);
3408 switch (port->phy_interface) {
3409 case PHY_INTERFACE_MODE_RGMII:
3410 case PHY_INTERFACE_MODE_RGMII_ID:
3411 gop_gmac_reset(port, 1);
3414 gop_gpcs_mode_cfg(port, 0);
3415 gop_bypass_clk_cfg(port, 1);
3418 gop_gmac_mode_cfg(port);
3420 gop_gpcs_reset(port, 0);
3423 gop_gmac_reset(port, 0);
3426 case PHY_INTERFACE_MODE_SGMII:
3427 case PHY_INTERFACE_MODE_SGMII_2500:
3428 case PHY_INTERFACE_MODE_1000BASEX:
3429 case PHY_INTERFACE_MODE_2500BASEX:
3431 gop_gpcs_mode_cfg(port, 1);
3434 gop_gmac_mode_cfg(port);
3435 /* select proper Mac mode */
3436 gop_xlg_2_gig_mac_cfg(port);
3439 gop_gpcs_reset(port, 0);
3441 gop_gmac_reset(port, 0);
3444 case PHY_INTERFACE_MODE_SFI:
3445 num_of_act_lanes = 2;
3448 gop_mpcs_mode(port);
3450 gop_xlg_mac_mode_cfg(port, num_of_act_lanes);
3453 gop_xlg_mac_reset(port, 0);
3457 log_err("Requested port mode (%d) not supported\n",
3458 port->phy_interface);
3465 static void gop_xlg_mac_port_enable(struct mvpp2_port *port, int enable)
3469 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3471 /* Enable port and MIB counters update */
3472 val |= MVPP22_XLG_PORT_EN;
3473 val &= ~MVPP22_XLG_MIBCNT_DIS;
3476 val &= ~MVPP22_XLG_PORT_EN;
3478 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3481 static void gop_port_enable(struct mvpp2_port *port, int enable)
3483 switch (port->phy_interface) {
3484 case PHY_INTERFACE_MODE_RGMII:
3485 case PHY_INTERFACE_MODE_RGMII_ID:
3486 case PHY_INTERFACE_MODE_SGMII:
3487 case PHY_INTERFACE_MODE_SGMII_2500:
3488 case PHY_INTERFACE_MODE_1000BASEX:
3489 case PHY_INTERFACE_MODE_2500BASEX:
3491 mvpp2_port_enable(port);
3493 mvpp2_port_disable(port);
3496 case PHY_INTERFACE_MODE_SFI:
3497 gop_xlg_mac_port_enable(port, enable);
3501 log_err("%s: Wrong port mode (%d)\n", __func__,
3502 port->phy_interface);
3507 /* RFU1 functions */
3508 static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset)
3510 return readl(priv->rfu1_base + offset);
3513 static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data)
3515 writel(data, priv->rfu1_base + offset);
3518 static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type)
3523 if (phy_type == PHY_INTERFACE_MODE_SGMII ||
3524 phy_type == PHY_INTERFACE_MODE_SGMII_2500 ||
3525 phy_type == PHY_INTERFACE_MODE_1000BASEX ||
3526 phy_type == PHY_INTERFACE_MODE_2500BASEX)
3527 val |= MV_NETC_GE_MAC2_SGMII;
3528 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3529 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3530 val |= MV_NETC_GE_MAC2_RGMII;
3534 if (phy_type == PHY_INTERFACE_MODE_SGMII ||
3535 phy_type == PHY_INTERFACE_MODE_SGMII_2500 ||
3536 phy_type == PHY_INTERFACE_MODE_1000BASEX ||
3537 phy_type == PHY_INTERFACE_MODE_2500BASEX)
3538 val |= MV_NETC_GE_MAC3_SGMII;
3539 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3540 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3541 val |= MV_NETC_GE_MAC3_RGMII;
3547 static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val)
3551 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3552 reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id));
3554 val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id);
3555 val &= NETC_PORTS_ACTIVE_MASK(gop_id);
3559 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3562 static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val)
3566 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3567 reg &= ~NETC_GBE_PORT1_MII_MODE_MASK;
3569 val <<= NETC_GBE_PORT1_MII_MODE_OFFS;
3570 val &= NETC_GBE_PORT1_MII_MODE_MASK;
3574 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3577 static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val)
3581 reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG);
3582 reg &= ~NETC_GOP_SOFT_RESET_MASK;
3584 val <<= NETC_GOP_SOFT_RESET_OFFS;
3585 val &= NETC_GOP_SOFT_RESET_MASK;
3589 gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg);
3592 static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val)
3596 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3597 reg &= ~NETC_CLK_DIV_PHASE_MASK;
3599 val <<= NETC_CLK_DIV_PHASE_OFFS;
3600 val &= NETC_CLK_DIV_PHASE_MASK;
3604 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3607 static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val)
3611 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3612 reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id));
3614 val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id);
3615 val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id);
3619 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3622 static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id,
3625 u32 reg, mask, offset;
3628 mask = NETC_GBE_PORT0_SGMII_MODE_MASK;
3629 offset = NETC_GBE_PORT0_SGMII_MODE_OFFS;
3631 mask = NETC_GBE_PORT1_SGMII_MODE_MASK;
3632 offset = NETC_GBE_PORT1_SGMII_MODE_OFFS;
3634 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3642 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3645 static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val)
3649 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3650 reg &= ~NETC_BUS_WIDTH_SELECT_MASK;
3652 val <<= NETC_BUS_WIDTH_SELECT_OFFS;
3653 val &= NETC_BUS_WIDTH_SELECT_MASK;
3657 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3660 static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val)
3664 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3665 reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK;
3667 val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS;
3668 val &= NETC_GIG_RX_DATA_SAMPLE_MASK;
3672 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3675 static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id,
3676 enum mv_netc_phase phase)
3679 case MV_NETC_FIRST_PHASE:
3680 /* Set Bus Width to HB mode = 1 */
3681 gop_netc_bus_width_select(priv, 1);
3682 /* Select RGMII mode */
3683 gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII);
3686 case MV_NETC_SECOND_PHASE:
3687 /* De-assert the relevant port HB reset */
3688 gop_netc_port_rf_reset(priv, gop_id, 1);
3693 static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id,
3694 enum mv_netc_phase phase)
3697 case MV_NETC_FIRST_PHASE:
3698 /* Set Bus Width to HB mode = 1 */
3699 gop_netc_bus_width_select(priv, 1);
3700 /* Select SGMII mode */
3702 gop_netc_gbe_sgmii_mode_select(priv, gop_id,
3706 /* Configure the sample stages */
3707 gop_netc_sample_stages_timing(priv, 0);
3708 /* Configure the ComPhy Selector */
3709 /* gop_netc_com_phy_selector_config(netComplex); */
3712 case MV_NETC_SECOND_PHASE:
3713 /* De-assert the relevant port HB reset */
3714 gop_netc_port_rf_reset(priv, gop_id, 1);
3719 static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase)
3721 u32 c = priv->netc_config;
3723 if (c & MV_NETC_GE_MAC2_SGMII)
3724 gop_netc_mac_to_sgmii(priv, 2, phase);
3725 else if (c & MV_NETC_GE_MAC2_RGMII)
3726 gop_netc_mac_to_xgmii(priv, 2, phase);
3728 if (c & MV_NETC_GE_MAC3_SGMII) {
3729 gop_netc_mac_to_sgmii(priv, 3, phase);
3731 gop_netc_mac_to_xgmii(priv, 3, phase);
3732 if (c & MV_NETC_GE_MAC3_RGMII)
3733 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII);
3735 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII);
3738 /* Activate gop ports 0, 2, 3 */
3739 gop_netc_active_port(priv, 0, 1);
3740 gop_netc_active_port(priv, 2, 1);
3741 gop_netc_active_port(priv, 3, 1);
3743 if (phase == MV_NETC_SECOND_PHASE) {
3744 /* Enable the GOP internal clock logic */
3745 gop_netc_gop_clock_logic_set(priv, 1);
3746 /* De-assert GOP unit reset */
3747 gop_netc_gop_reset(priv, 1);
3753 /* Set defaults to the MVPP2 port */
3754 static void mvpp2_defaults_set(struct mvpp2_port *port)
3756 int tx_port_num, val, queue, ptxq, lrxq;
3758 if (port->priv->hw_version == MVPP21) {
3759 /* Configure port to loopback if needed */
3760 if (port->flags & MVPP2_F_LOOPBACK)
3761 mvpp2_port_loopback_set(port);
3763 /* Update TX FIFO MIN Threshold */
3764 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3765 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3766 /* Min. TX threshold must be less than minimal packet length */
3767 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
3768 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3771 /* Disable Legacy WRR, Disable EJP, Release from reset */
3772 tx_port_num = mvpp2_egress_port(port);
3773 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG,
3775 mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0);
3777 /* Close bandwidth for all queues */
3778 for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) {
3779 ptxq = mvpp2_txq_phys(port->id, queue);
3780 mvpp2_write(port->priv,
3781 MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0);
3784 /* Set refill period to 1 usec, refill tokens
3785 * and bucket size to maximum
3787 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PERIOD_REG, 0xc8);
3788 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_REFILL_REG);
3789 val &= ~MVPP2_TXP_REFILL_PERIOD_ALL_MASK;
3790 val |= MVPP2_TXP_REFILL_PERIOD_MASK(1);
3791 val |= MVPP2_TXP_REFILL_TOKENS_ALL_MASK;
3792 mvpp2_write(port->priv, MVPP2_TXP_SCHED_REFILL_REG, val);
3793 val = MVPP2_TXP_TOKEN_SIZE_MAX;
3794 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3796 /* Set MaximumLowLatencyPacketSize value to 256 */
3797 mvpp2_write(port->priv, MVPP2_RX_CTRL_REG(port->id),
3798 MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK |
3799 MVPP2_RX_LOW_LATENCY_PKT_SIZE(256));
3801 /* Enable Rx cache snoop */
3802 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3803 queue = port->rxqs[lrxq]->id;
3804 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3805 val |= MVPP2_SNOOP_PKT_SIZE_MASK |
3806 MVPP2_SNOOP_BUF_HDR_MASK;
3807 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3811 /* Enable/disable receiving packets */
3812 static void mvpp2_ingress_enable(struct mvpp2_port *port)
3817 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3818 queue = port->rxqs[lrxq]->id;
3819 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3820 val &= ~MVPP2_RXQ_DISABLE_MASK;
3821 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3825 static void mvpp2_ingress_disable(struct mvpp2_port *port)
3830 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3831 queue = port->rxqs[lrxq]->id;
3832 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3833 val |= MVPP2_RXQ_DISABLE_MASK;
3834 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3838 /* Enable transmit via physical egress queue
3839 * - HW starts take descriptors from DRAM
3841 static void mvpp2_egress_enable(struct mvpp2_port *port)
3845 int tx_port_num = mvpp2_egress_port(port);
3847 /* Enable all initialized TXs. */
3849 for (queue = 0; queue < txq_number; queue++) {
3850 struct mvpp2_tx_queue *txq = port->txqs[queue];
3852 if (txq->descs != NULL)
3853 qmap |= (1 << queue);
3856 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3857 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG, qmap);
3860 /* Disable transmit via physical egress queue
3861 * - HW doesn't take descriptors from DRAM
3863 static void mvpp2_egress_disable(struct mvpp2_port *port)
3867 int tx_port_num = mvpp2_egress_port(port);
3869 /* Issue stop command for active channels only */
3870 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3871 reg_data = (mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG)) &
3872 MVPP2_TXP_SCHED_ENQ_MASK;
3874 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG,
3875 (reg_data << MVPP2_TXP_SCHED_DISQ_OFFSET));
3877 /* Wait for all Tx activity to terminate. */
3880 if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) {
3881 dev_warn(port->phy_dev->dev,
3882 "Tx stop timed out, status=0x%08x\n",
3889 /* Check port TX Command register that all
3890 * Tx queues are stopped
3892 reg_data = mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG);
3893 } while (reg_data & MVPP2_TXP_SCHED_ENQ_MASK);
3896 /* Rx descriptors helper methods */
3898 /* Get number of Rx descriptors occupied by received packets */
3900 mvpp2_rxq_received(struct mvpp2_port *port, int rxq_id)
3902 u32 val = mvpp2_read(port->priv, MVPP2_RXQ_STATUS_REG(rxq_id));
3904 return val & MVPP2_RXQ_OCCUPIED_MASK;
3907 /* Update Rx queue status with the number of occupied and available
3908 * Rx descriptor slots.
3911 mvpp2_rxq_status_update(struct mvpp2_port *port, int rxq_id,
3912 int used_count, int free_count)
3914 /* Decrement the number of used descriptors and increment count
3915 * increment the number of free descriptors.
3917 u32 val = used_count | (free_count << MVPP2_RXQ_NUM_NEW_OFFSET);
3919 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_UPDATE_REG(rxq_id), val);
3922 /* Get pointer to next RX descriptor to be processed by SW */
3923 static inline struct mvpp2_rx_desc *
3924 mvpp2_rxq_next_desc_get(struct mvpp2_rx_queue *rxq)
3926 int rx_desc = rxq->next_desc_to_proc;
3928 rxq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(rxq, rx_desc);
3929 prefetch(rxq->descs + rxq->next_desc_to_proc);
3930 return rxq->descs + rx_desc;
3933 /* Set rx queue offset */
3934 static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
3935 int prxq, int offset)
3939 /* Convert offset from bytes to units of 32 bytes */
3940 offset = offset >> 5;
3942 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
3943 val &= ~MVPP2_RXQ_PACKET_OFFSET_MASK;
3946 val |= ((offset << MVPP2_RXQ_PACKET_OFFSET_OFFS) &
3947 MVPP2_RXQ_PACKET_OFFSET_MASK);
3949 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
3952 /* Obtain BM cookie information from descriptor */
3953 static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
3954 struct mvpp2_rx_desc *rx_desc)
3956 int cpu = smp_processor_id();
3959 pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
3960 MVPP2_RXD_BM_POOL_ID_MASK) >>
3961 MVPP2_RXD_BM_POOL_ID_OFFS;
3963 return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
3964 ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
3967 /* Tx descriptors helper methods */
3969 /* Get number of Tx descriptors waiting to be transmitted by HW */
3970 static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
3971 struct mvpp2_tx_queue *txq)
3975 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
3976 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
3978 return val & MVPP2_TXQ_PENDING_MASK;
3981 /* Get pointer to next Tx descriptor to be processed (send) by HW */
3982 static struct mvpp2_tx_desc *
3983 mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
3985 int tx_desc = txq->next_desc_to_proc;
3987 txq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(txq, tx_desc);
3988 return txq->descs + tx_desc;
3991 /* Update HW with number of aggregated Tx descriptors to be sent */
3992 static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
3994 /* aggregated access - relevant TXQ number is written in TX desc */
3995 mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
3998 /* Get number of sent descriptors and decrement counter.
3999 * The number of sent descriptors is returned.
4002 static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
4003 struct mvpp2_tx_queue *txq)
4007 /* Reading status reg resets transmitted descriptor counter */
4008 val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
4010 return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
4011 MVPP2_TRANSMITTED_COUNT_OFFSET;
4014 static void mvpp2_txq_sent_counter_clear(void *arg)
4016 struct mvpp2_port *port = arg;
4019 for (queue = 0; queue < txq_number; queue++) {
4020 int id = port->txqs[queue]->id;
4022 mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
4026 /* Set max sizes for Tx queues */
4027 static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
4030 int txq, tx_port_num;
4032 mtu = port->pkt_size * 8;
4033 if (mtu > MVPP2_TXP_MTU_MAX)
4034 mtu = MVPP2_TXP_MTU_MAX;
4036 /* WA for wrong Token bucket update: Set MTU value = 3*real MTU value */
4039 /* Indirect access to registers */
4040 tx_port_num = mvpp2_egress_port(port);
4041 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4044 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_MTU_REG);
4045 val &= ~MVPP2_TXP_MTU_MAX;
4047 mvpp2_write(port->priv, MVPP2_TXP_SCHED_MTU_REG, val);
4049 /* TXP token size and all TXQs token size must be larger that MTU */
4050 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG);
4051 size = val & MVPP2_TXP_TOKEN_SIZE_MAX;
4054 val &= ~MVPP2_TXP_TOKEN_SIZE_MAX;
4056 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
4059 for (txq = 0; txq < txq_number; txq++) {
4060 val = mvpp2_read(port->priv,
4061 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq));
4062 size = val & MVPP2_TXQ_TOKEN_SIZE_MAX;
4066 val &= ~MVPP2_TXQ_TOKEN_SIZE_MAX;
4068 mvpp2_write(port->priv,
4069 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq),
4075 /* Free Tx queue skbuffs */
4076 static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
4077 struct mvpp2_tx_queue *txq,
4078 struct mvpp2_txq_pcpu *txq_pcpu, int num)
4082 for (i = 0; i < num; i++)
4083 mvpp2_txq_inc_get(txq_pcpu);
4086 static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
4089 int queue = fls(cause) - 1;
4091 return port->rxqs[queue];
4094 static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port,
4097 int queue = fls(cause) - 1;
4099 return port->txqs[queue];
4102 /* Rx/Tx queue initialization/cleanup methods */
4104 /* Allocate and initialize descriptors for aggr TXQ */
4105 static int mvpp2_aggr_txq_init(struct udevice *dev,
4106 struct mvpp2_tx_queue *aggr_txq,
4107 int desc_num, int cpu,
4112 /* Allocate memory for TX descriptors */
4113 aggr_txq->descs = buffer_loc.aggr_tx_descs;
4114 aggr_txq->descs_dma = (dma_addr_t)buffer_loc.aggr_tx_descs;
4115 if (!aggr_txq->descs)
4118 /* Make sure descriptor address is cache line size aligned */
4119 BUG_ON(aggr_txq->descs !=
4120 PTR_ALIGN(aggr_txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4122 aggr_txq->last_desc = aggr_txq->size - 1;
4124 /* Aggr TXQ no reset WA */
4125 aggr_txq->next_desc_to_proc = mvpp2_read(priv,
4126 MVPP2_AGGR_TXQ_INDEX_REG(cpu));
4128 /* Set Tx descriptors queue starting address indirect
4131 if (priv->hw_version == MVPP21)
4132 txq_dma = aggr_txq->descs_dma;
4134 txq_dma = aggr_txq->descs_dma >>
4135 MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
4137 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
4138 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
4143 /* Create a specified Rx queue */
4144 static int mvpp2_rxq_init(struct mvpp2_port *port,
4145 struct mvpp2_rx_queue *rxq)
4150 rxq->size = port->rx_ring_size;
4152 /* Allocate memory for RX descriptors */
4153 rxq->descs = buffer_loc.rx_descs;
4154 rxq->descs_dma = (dma_addr_t)buffer_loc.rx_descs;
4158 BUG_ON(rxq->descs !=
4159 PTR_ALIGN(rxq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4161 rxq->last_desc = rxq->size - 1;
4163 /* Zero occupied and non-occupied counters - direct access */
4164 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4166 /* Set Rx descriptors queue starting address - indirect access */
4167 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4168 if (port->priv->hw_version == MVPP21)
4169 rxq_dma = rxq->descs_dma;
4171 rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
4172 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
4173 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
4174 mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
4177 mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
4179 /* Add number of descriptors ready for receiving packets */
4180 mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
4185 /* Push packets received by the RXQ to BM pool */
4186 static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
4187 struct mvpp2_rx_queue *rxq)
4191 rx_received = mvpp2_rxq_received(port, rxq->id);
4195 for (i = 0; i < rx_received; i++) {
4196 struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
4197 u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
4199 mvpp2_pool_refill(port, bm,
4200 mvpp2_rxdesc_dma_addr_get(port, rx_desc),
4201 mvpp2_rxdesc_cookie_get(port, rx_desc));
4203 mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
4206 /* Cleanup Rx queue */
4207 static void mvpp2_rxq_deinit(struct mvpp2_port *port,
4208 struct mvpp2_rx_queue *rxq)
4210 mvpp2_rxq_drop_pkts(port, rxq);
4214 rxq->next_desc_to_proc = 0;
4217 /* Clear Rx descriptors queue starting address and size;
4218 * free descriptor number
4220 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4221 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4222 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
4223 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
4226 /* Create and initialize a Tx queue */
4227 static int mvpp2_txq_init(struct mvpp2_port *port,
4228 struct mvpp2_tx_queue *txq)
4231 int cpu, desc, desc_per_txq, tx_port_num;
4232 struct mvpp2_txq_pcpu *txq_pcpu;
4234 txq->size = port->tx_ring_size;
4236 /* Allocate memory for Tx descriptors */
4237 txq->descs = buffer_loc.tx_descs;
4238 txq->descs_dma = (dma_addr_t)buffer_loc.tx_descs;
4242 /* Make sure descriptor address is cache line size aligned */
4243 BUG_ON(txq->descs !=
4244 PTR_ALIGN(txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4246 txq->last_desc = txq->size - 1;
4248 /* Set Tx descriptors queue starting address - indirect access */
4249 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4250 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma);
4251 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
4252 MVPP2_TXQ_DESC_SIZE_MASK);
4253 mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
4254 mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
4255 txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
4256 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
4257 val &= ~MVPP2_TXQ_PENDING_MASK;
4258 mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
4260 /* Calculate base address in prefetch buffer. We reserve 16 descriptors
4261 * for each existing TXQ.
4262 * TCONTS for PON port must be continuous from 0 to MVPP2_MAX_TCONT
4263 * GBE ports assumed to be continious from 0 to MVPP2_MAX_PORTS
4266 desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
4267 (txq->log_id * desc_per_txq);
4269 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
4270 MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
4271 MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
4273 /* WRR / EJP configuration - indirect access */
4274 tx_port_num = mvpp2_egress_port(port);
4275 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4277 val = mvpp2_read(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id));
4278 val &= ~MVPP2_TXQ_REFILL_PERIOD_ALL_MASK;
4279 val |= MVPP2_TXQ_REFILL_PERIOD_MASK(1);
4280 val |= MVPP2_TXQ_REFILL_TOKENS_ALL_MASK;
4281 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id), val);
4283 val = MVPP2_TXQ_TOKEN_SIZE_MAX;
4284 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq->log_id),
4287 for_each_present_cpu(cpu) {
4288 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4289 txq_pcpu->size = txq->size;
4295 /* Free allocated TXQ resources */
4296 static void mvpp2_txq_deinit(struct mvpp2_port *port,
4297 struct mvpp2_tx_queue *txq)
4301 txq->next_desc_to_proc = 0;
4304 /* Set minimum bandwidth for disabled TXQs */
4305 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
4307 /* Set Tx descriptors queue starting address and size */
4308 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4309 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
4310 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
4313 /* Cleanup Tx ports */
4314 static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
4316 struct mvpp2_txq_pcpu *txq_pcpu;
4317 int delay, pending, cpu;
4320 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4321 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
4322 val |= MVPP2_TXQ_DRAIN_EN_MASK;
4323 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4325 /* The napi queue has been stopped so wait for all packets
4326 * to be transmitted.
4330 if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) {
4331 dev_warn(port->phy_dev->dev,
4332 "port %d: cleaning queue %d timed out\n",
4333 port->id, txq->log_id);
4339 pending = mvpp2_txq_pend_desc_num_get(port, txq);
4342 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
4343 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4345 for_each_present_cpu(cpu) {
4346 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4348 /* Release all packets */
4349 mvpp2_txq_bufs_free(port, txq, txq_pcpu, txq_pcpu->count);
4352 txq_pcpu->count = 0;
4353 txq_pcpu->txq_put_index = 0;
4354 txq_pcpu->txq_get_index = 0;
4358 /* Cleanup all Tx queues */
4359 static void mvpp2_cleanup_txqs(struct mvpp2_port *port)
4361 struct mvpp2_tx_queue *txq;
4365 val = mvpp2_read(port->priv, MVPP2_TX_PORT_FLUSH_REG);
4367 /* Reset Tx ports and delete Tx queues */
4368 val |= MVPP2_TX_PORT_FLUSH_MASK(port->id);
4369 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4371 for (queue = 0; queue < txq_number; queue++) {
4372 txq = port->txqs[queue];
4373 mvpp2_txq_clean(port, txq);
4374 mvpp2_txq_deinit(port, txq);
4377 mvpp2_txq_sent_counter_clear(port);
4379 val &= ~MVPP2_TX_PORT_FLUSH_MASK(port->id);
4380 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4383 /* Cleanup all Rx queues */
4384 static void mvpp2_cleanup_rxqs(struct mvpp2_port *port)
4388 for (queue = 0; queue < rxq_number; queue++)
4389 mvpp2_rxq_deinit(port, port->rxqs[queue]);
4392 /* Init all Rx queues for port */
4393 static int mvpp2_setup_rxqs(struct mvpp2_port *port)
4397 for (queue = 0; queue < rxq_number; queue++) {
4398 err = mvpp2_rxq_init(port, port->rxqs[queue]);
4405 mvpp2_cleanup_rxqs(port);
4409 /* Init all tx queues for port */
4410 static int mvpp2_setup_txqs(struct mvpp2_port *port)
4412 struct mvpp2_tx_queue *txq;
4415 for (queue = 0; queue < txq_number; queue++) {
4416 txq = port->txqs[queue];
4417 err = mvpp2_txq_init(port, txq);
4422 mvpp2_txq_sent_counter_clear(port);
4426 mvpp2_cleanup_txqs(port);
4431 static void mvpp2_link_event(struct mvpp2_port *port)
4433 struct phy_device *phydev = port->phy_dev;
4434 int status_change = 0;
4438 if ((port->speed != phydev->speed) ||
4439 (port->duplex != phydev->duplex)) {
4442 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4443 val &= ~(MVPP2_GMAC_CONFIG_MII_SPEED |
4444 MVPP2_GMAC_CONFIG_GMII_SPEED |
4445 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
4446 MVPP2_GMAC_AN_SPEED_EN |
4447 MVPP2_GMAC_AN_DUPLEX_EN);
4450 val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX;
4452 if (phydev->speed == SPEED_1000 ||
4453 phydev->speed == 2500)
4454 val |= MVPP2_GMAC_CONFIG_GMII_SPEED;
4455 else if (phydev->speed == SPEED_100)
4456 val |= MVPP2_GMAC_CONFIG_MII_SPEED;
4458 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4460 port->duplex = phydev->duplex;
4461 port->speed = phydev->speed;
4465 if (phydev->link != port->link) {
4466 if (!phydev->link) {
4471 port->link = phydev->link;
4475 if (status_change) {
4477 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4478 val |= (MVPP2_GMAC_FORCE_LINK_PASS |
4479 MVPP2_GMAC_FORCE_LINK_DOWN);
4480 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4481 mvpp2_egress_enable(port);
4482 mvpp2_ingress_enable(port);
4484 mvpp2_ingress_disable(port);
4485 mvpp2_egress_disable(port);
4490 /* Main RX/TX processing routines */
4492 /* Display more error info */
4493 static void mvpp2_rx_error(struct mvpp2_port *port,
4494 struct mvpp2_rx_desc *rx_desc)
4496 u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
4497 size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
4499 switch (status & MVPP2_RXD_ERR_CODE_MASK) {
4500 case MVPP2_RXD_ERR_CRC:
4501 dev_err(port->phy_dev->dev,
4502 "bad rx status %08x (crc error), size=%zu\n", status,
4505 case MVPP2_RXD_ERR_OVERRUN:
4506 dev_err(port->phy_dev->dev,
4507 "bad rx status %08x (overrun error), size=%zu\n",
4510 case MVPP2_RXD_ERR_RESOURCE:
4511 dev_err(port->phy_dev->dev,
4512 "bad rx status %08x (resource error), size=%zu\n",
4518 /* Reuse skb if possible, or allocate a new skb and add it to BM pool */
4519 static int mvpp2_rx_refill(struct mvpp2_port *port,
4520 struct mvpp2_bm_pool *bm_pool,
4521 u32 bm, dma_addr_t dma_addr)
4523 mvpp2_pool_refill(port, bm, dma_addr, (unsigned long)dma_addr);
4527 /* Set hw internals when starting port */
4528 static void mvpp2_start_dev(struct mvpp2_port *port)
4530 switch (port->phy_interface) {
4531 case PHY_INTERFACE_MODE_RGMII:
4532 case PHY_INTERFACE_MODE_RGMII_ID:
4533 case PHY_INTERFACE_MODE_SGMII:
4534 case PHY_INTERFACE_MODE_SGMII_2500:
4535 case PHY_INTERFACE_MODE_1000BASEX:
4536 case PHY_INTERFACE_MODE_2500BASEX:
4537 mvpp2_gmac_max_rx_size_set(port);
4542 mvpp2_txp_max_tx_size_set(port);
4544 if (port->priv->hw_version == MVPP21)
4545 mvpp2_port_enable(port);
4547 gop_port_enable(port, 1);
4550 /* Set hw internals when stopping port */
4551 static void mvpp2_stop_dev(struct mvpp2_port *port)
4553 /* Stop new packets from arriving to RXQs */
4554 mvpp2_ingress_disable(port);
4556 mvpp2_egress_disable(port);
4558 if (port->priv->hw_version == MVPP21)
4559 mvpp2_port_disable(port);
4561 gop_port_enable(port, 0);
4564 static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
4566 struct phy_device *phy_dev;
4568 if (!port->init || port->link == 0) {
4569 phy_dev = dm_mdio_phy_connect(port->mdio_dev, port->phyaddr,
4570 dev, port->phy_interface);
4573 * If the phy doesn't match with any existing u-boot drivers the
4574 * phy framework will connect it to generic one which
4575 * uid == 0xffffffff. In this case act as if the phy wouldn't be
4576 * declared in dts. Otherwise in case of 3310 (for which the
4577 * driver doesn't exist) the link will not be correctly
4578 * detected. Removing phy entry from dts in case of 3310 is not
4579 * an option because it is required for the phy_fw_down
4583 phy_dev->drv->uid == 0xffffffff) {/* Generic phy */
4584 dev_warn(port->phy_dev->dev,
4585 "Marking phy as invalid, link will not be checked\n");
4586 /* set phy_addr to invalid value */
4587 port->phyaddr = PHY_MAX_ADDR;
4588 mvpp2_egress_enable(port);
4589 mvpp2_ingress_enable(port);
4594 port->phy_dev = phy_dev;
4596 dev_err(port->phy_dev->dev, "cannot connect to phy\n");
4599 phy_dev->supported &= PHY_GBIT_FEATURES;
4600 phy_dev->advertising = phy_dev->supported;
4602 port->phy_dev = phy_dev;
4607 phy_config(phy_dev);
4608 phy_startup(phy_dev);
4610 printf("%s: No link\n", phy_dev->dev->name);
4614 mvpp2_egress_enable(port);
4615 mvpp2_ingress_enable(port);
4619 static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
4621 unsigned char mac_bcast[ETH_ALEN] = {
4622 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
4625 err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true);
4627 dev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n");
4630 err = mvpp2_prs_mac_da_accept(port->priv, port->id,
4631 port->dev_addr, true);
4633 dev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n");
4636 err = mvpp2_prs_def_flow(port);
4638 dev_err(dev, "mvpp2_prs_def_flow failed\n");
4642 /* Allocate the Rx/Tx queues */
4643 err = mvpp2_setup_rxqs(port);
4645 dev_err(port->phy_dev->dev, "cannot allocate Rx queues\n");
4649 err = mvpp2_setup_txqs(port);
4651 dev_err(port->phy_dev->dev, "cannot allocate Tx queues\n");
4655 if (port->phyaddr < PHY_MAX_ADDR) {
4656 mvpp2_phy_connect(dev, port);
4657 mvpp2_link_event(port);
4659 mvpp2_egress_enable(port);
4660 mvpp2_ingress_enable(port);
4663 mvpp2_start_dev(port);
4668 /* No Device ops here in U-Boot */
4670 /* Driver initialization */
4672 static void mvpp2_port_power_up(struct mvpp2_port *port)
4674 struct mvpp2 *priv = port->priv;
4676 /* On PPv2.2 the GoP / interface configuration has already been done */
4677 if (priv->hw_version == MVPP21)
4678 mvpp2_port_mii_set(port);
4679 mvpp2_port_periodic_xon_disable(port);
4680 if (priv->hw_version == MVPP21)
4681 mvpp2_port_fc_adv_enable(port);
4682 mvpp2_port_reset(port);
4685 /* Initialize port HW */
4686 static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
4688 struct mvpp2 *priv = port->priv;
4689 struct mvpp2_txq_pcpu *txq_pcpu;
4690 int queue, cpu, err;
4692 if (port->first_rxq + rxq_number >
4693 MVPP2_MAX_PORTS * priv->max_port_rxqs)
4697 mvpp2_egress_disable(port);
4698 if (priv->hw_version == MVPP21)
4699 mvpp2_port_disable(port);
4701 gop_port_enable(port, 0);
4703 port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs),
4708 /* Associate physical Tx queues to this port and initialize.
4709 * The mapping is predefined.
4711 for (queue = 0; queue < txq_number; queue++) {
4712 int queue_phy_id = mvpp2_txq_phys(port->id, queue);
4713 struct mvpp2_tx_queue *txq;
4715 txq = devm_kzalloc(dev, sizeof(*txq), GFP_KERNEL);
4719 txq->pcpu = devm_kzalloc(dev, sizeof(struct mvpp2_txq_pcpu),
4724 txq->id = queue_phy_id;
4725 txq->log_id = queue;
4726 txq->done_pkts_coal = MVPP2_TXDONE_COAL_PKTS_THRESH;
4727 for_each_present_cpu(cpu) {
4728 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4729 txq_pcpu->cpu = cpu;
4732 port->txqs[queue] = txq;
4735 port->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*port->rxqs),
4740 /* Allocate and initialize Rx queue for this port */
4741 for (queue = 0; queue < rxq_number; queue++) {
4742 struct mvpp2_rx_queue *rxq;
4744 /* Map physical Rx queue to port's logical Rx queue */
4745 rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
4748 /* Map this Rx queue to a physical queue */
4749 rxq->id = port->first_rxq + queue;
4750 rxq->port = port->id;
4751 rxq->logic_rxq = queue;
4753 port->rxqs[queue] = rxq;
4757 /* Create Rx descriptor rings */
4758 for (queue = 0; queue < rxq_number; queue++) {
4759 struct mvpp2_rx_queue *rxq = port->rxqs[queue];
4761 rxq->size = port->rx_ring_size;
4762 rxq->pkts_coal = MVPP2_RX_COAL_PKTS;
4763 rxq->time_coal = MVPP2_RX_COAL_USEC;
4766 mvpp2_ingress_disable(port);
4768 /* Port default configuration */
4769 mvpp2_defaults_set(port);
4771 /* Port's classifier configuration */
4772 mvpp2_cls_oversize_rxq_set(port);
4773 mvpp2_cls_port_config(port);
4775 /* Provide an initial Rx packet size */
4776 port->pkt_size = MVPP2_RX_PKT_SIZE(PKTSIZE_ALIGN);
4778 /* Initialize pools for swf */
4779 err = mvpp2_swf_bm_pool_init(port);
4786 static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
4788 int port_node = dev_of_offset(dev);
4789 const char *phy_mode_str;
4797 phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
4798 fixed_link = fdt_subnode_offset(gd->fdt_blob, port_node, "fixed-link");
4803 if (fixed_link != -FDT_ERR_NOTFOUND) {
4804 /* phy_addr is set to invalid value for fixed links */
4805 phyaddr = PHY_MAX_ADDR;
4807 phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node,
4810 dev_err(dev, "could not find phy address\n");
4814 parent = fdt_parent_offset(gd->fdt_blob, phy_node);
4815 ret = uclass_get_device_by_of_offset(UCLASS_MDIO, parent,
4820 /* phy_addr is set to invalid value */
4821 phyaddr = PHY_MAX_ADDR;
4824 phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
4826 phy_mode = phy_get_interface_by_name(phy_mode_str);
4827 if (phy_mode == -1) {
4828 dev_err(dev, "incorrect phy mode\n");
4832 id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1);
4834 dev_err(dev, "missing port-id value\n");
4838 #if CONFIG_IS_ENABLED(DM_GPIO)
4839 gpio_request_by_name(dev, "phy-reset-gpios", 0,
4840 &port->phy_reset_gpio, GPIOD_IS_OUT);
4841 gpio_request_by_name(dev, "marvell,sfp-tx-disable-gpio", 0,
4842 &port->phy_tx_disable_gpio, GPIOD_IS_OUT);
4846 if (port->priv->hw_version == MVPP21)
4847 port->first_rxq = port->id * rxq_number;
4849 port->first_rxq = port->id * port->priv->max_port_rxqs;
4850 port->phy_interface = phy_mode;
4851 port->phyaddr = phyaddr;
4856 #if CONFIG_IS_ENABLED(DM_GPIO)
4857 /* Port GPIO initialization */
4858 static void mvpp2_gpio_init(struct mvpp2_port *port)
4860 if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
4861 dm_gpio_set_value(&port->phy_reset_gpio, 1);
4863 dm_gpio_set_value(&port->phy_reset_gpio, 0);
4866 if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
4867 dm_gpio_set_value(&port->phy_tx_disable_gpio, 0);
4871 /* Ports initialization */
4872 static int mvpp2_port_probe(struct udevice *dev,
4873 struct mvpp2_port *port,
4879 port->tx_ring_size = MVPP2_MAX_TXD;
4880 port->rx_ring_size = MVPP2_MAX_RXD;
4882 err = mvpp2_port_init(dev, port);
4884 dev_err(dev, "failed to init port %d\n", port->id);
4887 mvpp2_port_power_up(port);
4889 #if CONFIG_IS_ENABLED(DM_GPIO)
4890 mvpp2_gpio_init(port);
4893 priv->port_list[port->id] = port;
4898 /* Initialize decoding windows */
4899 static void mvpp2_conf_mbus_windows(const struct mbus_dram_target_info *dram,
4905 for (i = 0; i < 6; i++) {
4906 mvpp2_write(priv, MVPP2_WIN_BASE(i), 0);
4907 mvpp2_write(priv, MVPP2_WIN_SIZE(i), 0);
4910 mvpp2_write(priv, MVPP2_WIN_REMAP(i), 0);
4915 for (i = 0; i < dram->num_cs; i++) {
4916 const struct mbus_dram_window *cs = dram->cs + i;
4918 mvpp2_write(priv, MVPP2_WIN_BASE(i),
4919 (cs->base & 0xffff0000) | (cs->mbus_attr << 8) |
4920 dram->mbus_dram_target_id);
4922 mvpp2_write(priv, MVPP2_WIN_SIZE(i),
4923 (cs->size - 1) & 0xffff0000);
4925 win_enable |= (1 << i);
4928 mvpp2_write(priv, MVPP2_BASE_ADDR_ENABLE, win_enable);
4931 /* Initialize Rx FIFO's */
4932 static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
4936 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4937 if (priv->hw_version == MVPP22) {
4940 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4941 MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE);
4943 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4944 MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE);
4945 } else if (port == 1) {
4947 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4948 MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE);
4950 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4951 MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE);
4954 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4955 MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE);
4957 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4958 MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE);
4961 mvpp2_write(priv, MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4962 MVPP21_RX_FIFO_PORT_DATA_SIZE);
4963 mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4964 MVPP21_RX_FIFO_PORT_ATTR_SIZE);
4968 mvpp2_write(priv, MVPP2_RX_MIN_PKT_SIZE_REG,
4969 MVPP2_RX_FIFO_PORT_MIN_PKT);
4970 mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
4973 /* Initialize Tx FIFO's */
4974 static void mvpp2_tx_fifo_init(struct mvpp2 *priv)
4978 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4979 /* Port 0 supports 10KB TX FIFO */
4981 val = MVPP2_TX_FIFO_DATA_SIZE_10KB &
4982 MVPP22_TX_FIFO_SIZE_MASK;
4984 val = MVPP2_TX_FIFO_DATA_SIZE_3KB &
4985 MVPP22_TX_FIFO_SIZE_MASK;
4987 mvpp2_write(priv, MVPP22_TX_FIFO_SIZE_REG(port), val);
4991 static void mvpp2_axi_init(struct mvpp2 *priv)
4993 u32 val, rdval, wrval;
4995 mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
4997 /* AXI Bridge Configuration */
4999 rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
5000 << MVPP22_AXI_ATTR_CACHE_OFFS;
5001 rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
5002 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
5004 wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
5005 << MVPP22_AXI_ATTR_CACHE_OFFS;
5006 wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
5007 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
5010 mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
5011 mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
5014 mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
5015 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
5016 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
5017 mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
5020 mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
5021 mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
5023 val = MVPP22_AXI_CODE_CACHE_NON_CACHE
5024 << MVPP22_AXI_CODE_CACHE_OFFS;
5025 val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
5026 << MVPP22_AXI_CODE_DOMAIN_OFFS;
5027 mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
5028 mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
5030 val = MVPP22_AXI_CODE_CACHE_RD_CACHE
5031 << MVPP22_AXI_CODE_CACHE_OFFS;
5032 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
5033 << MVPP22_AXI_CODE_DOMAIN_OFFS;
5035 mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
5037 val = MVPP22_AXI_CODE_CACHE_WR_CACHE
5038 << MVPP22_AXI_CODE_CACHE_OFFS;
5039 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
5040 << MVPP22_AXI_CODE_DOMAIN_OFFS;
5042 mvpp2_write(priv, MVPP22_AXI_WR_SNOOP_CODE_REG, val);
5045 /* Initialize network controller common part HW */
5046 static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
5048 const struct mbus_dram_target_info *dram_target_info;
5052 /* Checks for hardware constraints (U-Boot uses only one rxq) */
5053 if ((rxq_number > priv->max_port_rxqs) ||
5054 (txq_number > MVPP2_MAX_TXQ)) {
5055 dev_err(dev, "invalid queue size parameter\n");
5059 if (priv->hw_version == MVPP22)
5060 mvpp2_axi_init(priv);
5062 /* MBUS windows configuration */
5063 dram_target_info = mvebu_mbus_dram_info();
5064 if (dram_target_info)
5065 mvpp2_conf_mbus_windows(dram_target_info, priv);
5068 if (priv->hw_version == MVPP21) {
5069 /* Disable HW PHY polling */
5070 val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
5071 val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
5072 writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
5074 /* Enable HW PHY polling */
5075 val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5076 val |= MVPP22_SMI_POLLING_EN;
5077 writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5080 /* Allocate and initialize aggregated TXQs */
5081 priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(),
5082 sizeof(struct mvpp2_tx_queue),
5084 if (!priv->aggr_txqs)
5087 for_each_present_cpu(i) {
5088 priv->aggr_txqs[i].id = i;
5089 priv->aggr_txqs[i].size = MVPP2_AGGR_TXQ_SIZE;
5090 err = mvpp2_aggr_txq_init(dev, &priv->aggr_txqs[i],
5091 MVPP2_AGGR_TXQ_SIZE, i, priv);
5097 mvpp2_rx_fifo_init(priv);
5100 if (priv->hw_version == MVPP22)
5101 mvpp2_tx_fifo_init(priv);
5103 if (priv->hw_version == MVPP21)
5104 writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
5105 priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
5107 /* Allow cache snoop when transmiting packets */
5108 mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
5110 /* Buffer Manager initialization */
5111 err = mvpp2_bm_init(dev, priv);
5115 /* Parser default initialization */
5116 err = mvpp2_prs_default_init(dev, priv);
5120 /* Classifier default initialization */
5121 mvpp2_cls_init(priv);
5126 static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
5128 struct mvpp2_port *port = dev_get_priv(dev);
5129 struct mvpp2_rx_desc *rx_desc;
5130 struct mvpp2_bm_pool *bm_pool;
5131 dma_addr_t dma_addr;
5133 int pool, rx_bytes, err;
5135 struct mvpp2_rx_queue *rxq;
5138 if (port->phyaddr < PHY_MAX_ADDR)
5139 if (!port->phy_dev->link)
5142 /* Process RX packets */
5143 rxq = port->rxqs[0];
5145 /* Get number of received packets and clamp the to-do */
5146 rx_received = mvpp2_rxq_received(port, rxq->id);
5148 /* Return if no packets are received */
5152 rx_desc = mvpp2_rxq_next_desc_get(rxq);
5153 rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
5154 rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
5155 rx_bytes -= MVPP2_MH_SIZE;
5156 dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
5158 bm = mvpp2_bm_cookie_build(port, rx_desc);
5159 pool = mvpp2_bm_cookie_pool_get(bm);
5160 bm_pool = &port->priv->bm_pools[pool];
5162 /* In case of an error, release the requested buffer pointer
5163 * to the Buffer Manager. This request process is controlled
5164 * by the hardware, and the information about the buffer is
5165 * comprised by the RX descriptor.
5167 if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
5168 mvpp2_rx_error(port, rx_desc);
5169 /* Return the buffer to the pool */
5170 mvpp2_pool_refill(port, bm, dma_addr, dma_addr);
5174 err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr);
5176 dev_err(port->phy_dev->dev, "failed to refill BM pools\n");
5180 /* Update Rx queue management counters */
5182 mvpp2_rxq_status_update(port, rxq->id, 1, 1);
5184 /* give packet to stack - skip on first n bytes */
5185 data = (u8 *)dma_addr + 2 + 32;
5191 * No cache invalidation needed here, since the rx_buffer's are
5192 * located in a uncached memory region
5199 static int mvpp2_send(struct udevice *dev, void *packet, int length)
5201 struct mvpp2_port *port = dev_get_priv(dev);
5202 struct mvpp2_tx_queue *txq, *aggr_txq;
5203 struct mvpp2_tx_desc *tx_desc;
5207 if (port->phyaddr < PHY_MAX_ADDR)
5208 if (!port->phy_dev->link)
5211 txq = port->txqs[0];
5212 aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
5214 /* Get a descriptor for the first part of the packet */
5215 tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
5216 mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
5217 mvpp2_txdesc_size_set(port, tx_desc, length);
5218 mvpp2_txdesc_offset_set(port, tx_desc,
5219 (dma_addr_t)packet & MVPP2_TX_DESC_ALIGN);
5220 mvpp2_txdesc_dma_addr_set(port, tx_desc,
5221 (dma_addr_t)packet & ~MVPP2_TX_DESC_ALIGN);
5222 /* First and Last descriptor */
5223 mvpp2_txdesc_cmd_set(port, tx_desc,
5224 MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE
5225 | MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC);
5228 flush_dcache_range((unsigned long)packet,
5229 (unsigned long)packet + ALIGN(length, PKTALIGN));
5231 /* Enable transmit */
5233 mvpp2_aggr_txq_pend_desc_add(port, 1);
5235 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5239 if (timeout++ > 10000) {
5240 printf("timeout: packet not sent from aggregated to phys TXQ\n");
5243 tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
5248 if (timeout++ > 10000) {
5249 printf("timeout: packet not sent\n");
5252 tx_done = mvpp2_txq_sent_desc_proc(port, txq);
5258 static int mvpp2_start(struct udevice *dev)
5260 struct eth_pdata *pdata = dev_get_plat(dev);
5261 struct mvpp2_port *port = dev_get_priv(dev);
5263 /* Load current MAC address */
5264 memcpy(port->dev_addr, pdata->enetaddr, ETH_ALEN);
5266 /* Reconfigure parser accept the original MAC address */
5267 mvpp2_prs_update_mac_da(port, port->dev_addr);
5269 switch (port->phy_interface) {
5270 case PHY_INTERFACE_MODE_RGMII:
5271 case PHY_INTERFACE_MODE_RGMII_ID:
5272 case PHY_INTERFACE_MODE_SGMII:
5273 case PHY_INTERFACE_MODE_SGMII_2500:
5274 case PHY_INTERFACE_MODE_1000BASEX:
5275 case PHY_INTERFACE_MODE_2500BASEX:
5276 mvpp2_port_power_up(port);
5281 mvpp2_open(dev, port);
5286 static void mvpp2_stop(struct udevice *dev)
5288 struct mvpp2_port *port = dev_get_priv(dev);
5290 mvpp2_stop_dev(port);
5291 mvpp2_cleanup_rxqs(port);
5292 mvpp2_cleanup_txqs(port);
5295 static int mvpp2_write_hwaddr(struct udevice *dev)
5297 struct mvpp2_port *port = dev_get_priv(dev);
5299 return mvpp2_prs_update_mac_da(port, port->dev_addr);
5302 static int mvpp2_base_probe(struct udevice *dev)
5304 struct mvpp2 *priv = dev_get_priv(dev);
5309 /* Save hw-version */
5310 priv->hw_version = dev_get_driver_data(dev);
5313 * U-Boot special buffer handling:
5315 * Allocate buffer area for descs and rx_buffers. This is only
5316 * done once for all interfaces. As only one interface can
5317 * be active. Make this area DMA-safe by disabling the D-cache
5320 if (!buffer_loc_init) {
5321 /* Align buffer area for descs and rx_buffers to 1MiB */
5322 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
5323 mmu_set_region_dcache_behaviour((unsigned long)bd_space,
5324 BD_SPACE, DCACHE_OFF);
5326 buffer_loc.aggr_tx_descs = (struct mvpp2_tx_desc *)bd_space;
5327 size += MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE;
5329 buffer_loc.tx_descs =
5330 (struct mvpp2_tx_desc *)((unsigned long)bd_space + size);
5331 size += MVPP2_MAX_TXD * MVPP2_DESC_ALIGNED_SIZE;
5333 buffer_loc.rx_descs =
5334 (struct mvpp2_rx_desc *)((unsigned long)bd_space + size);
5335 size += MVPP2_MAX_RXD * MVPP2_DESC_ALIGNED_SIZE;
5337 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
5338 buffer_loc.bm_pool[i] =
5339 (unsigned long *)((unsigned long)bd_space + size);
5340 if (priv->hw_version == MVPP21)
5341 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
5343 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
5346 for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {
5347 buffer_loc.rx_buffer[i] =
5348 (unsigned long *)((unsigned long)bd_space + size);
5349 size += RX_BUFFER_SIZE;
5352 /* Clear the complete area so that all descriptors are cleared */
5353 memset(bd_space, 0, size);
5355 buffer_loc_init = 1;
5358 /* Save base addresses for later use */
5359 priv->base = (void *)devfdt_get_addr_index(dev, 0);
5360 if (IS_ERR(priv->base))
5361 return PTR_ERR(priv->base);
5363 if (priv->hw_version == MVPP21) {
5364 priv->lms_base = (void *)devfdt_get_addr_index(dev, 1);
5365 if (IS_ERR(priv->lms_base))
5366 return PTR_ERR(priv->lms_base);
5368 priv->iface_base = (void *)devfdt_get_addr_index(dev, 1);
5369 if (IS_ERR(priv->iface_base))
5370 return PTR_ERR(priv->iface_base);
5372 /* Store common base addresses for all ports */
5373 priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
5374 priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
5375 priv->rfu1_base = priv->iface_base + MVPP22_RFU1;
5378 if (priv->hw_version == MVPP21)
5379 priv->max_port_rxqs = 8;
5381 priv->max_port_rxqs = 32;
5386 static int mvpp2_probe(struct udevice *dev)
5388 struct mvpp2_port *port = dev_get_priv(dev);
5389 struct mvpp2 *priv = dev_get_priv(dev->parent);
5392 /* Only call the probe function for the parent once */
5393 if (!priv->probe_done)
5394 err = mvpp2_base_probe(dev->parent);
5398 err = phy_info_parse(dev, port);
5403 * We need the port specific io base addresses at this stage, since
5404 * gop_port_init() accesses these registers
5406 if (priv->hw_version == MVPP21) {
5407 int priv_common_regs_num = 2;
5409 port->base = (void __iomem *)devfdt_get_addr_index(
5410 dev->parent, priv_common_regs_num + port->id);
5411 if (IS_ERR(port->base))
5412 return PTR_ERR(port->base);
5414 port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
5416 if (port->id == -1) {
5417 dev_err(dev, "missing gop-port-id value\n");
5421 port->base = priv->iface_base + MVPP22_PORT_BASE +
5422 port->gop_id * MVPP22_PORT_OFFSET;
5425 gop_port_init(port);
5428 if (!priv->probe_done) {
5429 /* Initialize network controller */
5430 err = mvpp2_init(dev, priv);
5432 dev_err(dev, "failed to initialize controller\n");
5435 priv->num_ports = 0;
5436 priv->probe_done = 1;
5439 err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
5443 if (priv->hw_version == MVPP22) {
5444 priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id,
5445 port->phy_interface);
5447 /* Netcomplex configurations for all ports */
5448 gop_netc_init(priv, MV_NETC_FIRST_PHASE);
5449 gop_netc_init(priv, MV_NETC_SECOND_PHASE);
5456 * Empty BM pool and stop its activity before the OS is started
5458 static int mvpp2_remove(struct udevice *dev)
5460 struct mvpp2_port *port = dev_get_priv(dev);
5461 struct mvpp2 *priv = port->priv;
5466 if (priv->num_ports)
5469 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++)
5470 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
5475 static const struct eth_ops mvpp2_ops = {
5476 .start = mvpp2_start,
5480 .write_hwaddr = mvpp2_write_hwaddr
5483 static struct driver mvpp2_driver = {
5486 .probe = mvpp2_probe,
5487 .remove = mvpp2_remove,
5489 .priv_auto = sizeof(struct mvpp2_port),
5490 .plat_auto = sizeof(struct eth_pdata),
5491 .flags = DM_FLAG_ACTIVE_DMA,
5495 * Use a MISC device to bind the n instances (child nodes) of the
5496 * network base controller in UCLASS_ETH.
5498 static int mvpp2_base_bind(struct udevice *parent)
5500 const void *blob = gd->fdt_blob;
5501 int node = dev_of_offset(parent);
5502 struct uclass_driver *drv;
5503 struct udevice *dev;
5504 struct eth_pdata *plat;
5510 /* Lookup eth driver */
5511 drv = lists_uclass_lookup(UCLASS_ETH);
5513 puts("Cannot find eth driver\n");
5517 base_id_add = base_id;
5519 fdt_for_each_subnode(subnode, blob, node) {
5520 /* Increment base_id for all subnodes, also the disabled ones */
5523 /* Skip disabled ports */
5524 if (!fdtdec_get_is_enabled(blob, subnode))
5527 plat = calloc(1, sizeof(*plat));
5531 id = fdtdec_get_int(blob, subnode, "port-id", -1);
5534 name = calloc(1, 16);
5539 sprintf(name, "mvpp2-%d", id);
5541 /* Create child device UCLASS_ETH and bind it */
5542 device_bind(parent, &mvpp2_driver, name, plat,
5543 offset_to_ofnode(subnode), &dev);
5549 static const struct udevice_id mvpp2_ids[] = {
5551 .compatible = "marvell,armada-375-pp2",
5555 .compatible = "marvell,armada-7k-pp22",
5561 U_BOOT_DRIVER(mvpp2_base) = {
5562 .name = "mvpp2_base",
5564 .of_match = mvpp2_ids,
5565 .bind = mvpp2_base_bind,
5566 .priv_auto = sizeof(struct mvpp2),