2 * Driver for Marvell PPv2 network controller for Armada 375 SoC.
4 * Copyright (C) 2014 Marvell
6 * Marcin Wojtas <mw@semihalf.com>
9 * Copyright (C) 2016-2017 Stefan Roese <sr@denx.de>
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 /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
70 #define WRAP (2 + ETH_HLEN + 4 + 32)
72 #define RX_BUFFER_SIZE (ALIGN(MTU + WRAP, ARCH_DMA_MINALIGN))
74 /* RX Fifo Registers */
75 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
76 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
77 #define MVPP2_RX_MIN_PKT_SIZE_REG 0x60
78 #define MVPP2_RX_FIFO_INIT_REG 0x64
80 /* RX DMA Top Registers */
81 #define MVPP2_RX_CTRL_REG(port) (0x140 + 4 * (port))
82 #define MVPP2_RX_LOW_LATENCY_PKT_SIZE(s) (((s) & 0xfff) << 16)
83 #define MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK BIT(31)
84 #define MVPP2_POOL_BUF_SIZE_REG(pool) (0x180 + 4 * (pool))
85 #define MVPP2_POOL_BUF_SIZE_OFFSET 5
86 #define MVPP2_RXQ_CONFIG_REG(rxq) (0x800 + 4 * (rxq))
87 #define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
88 #define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
89 #define MVPP2_RXQ_POOL_SHORT_OFFS 20
90 #define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
91 #define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
92 #define MVPP2_RXQ_POOL_LONG_OFFS 24
93 #define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
94 #define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
95 #define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
96 #define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
97 #define MVPP2_RXQ_DISABLE_MASK BIT(31)
99 /* Parser Registers */
100 #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000
101 #define MVPP2_PRS_PORT_LU_MAX 0xf
102 #define MVPP2_PRS_PORT_LU_MASK(port) (0xff << ((port) * 4))
103 #define MVPP2_PRS_PORT_LU_VAL(port, val) ((val) << ((port) * 4))
104 #define MVPP2_PRS_INIT_OFFS_REG(port) (0x1004 + ((port) & 4))
105 #define MVPP2_PRS_INIT_OFF_MASK(port) (0x3f << (((port) % 4) * 8))
106 #define MVPP2_PRS_INIT_OFF_VAL(port, val) ((val) << (((port) % 4) * 8))
107 #define MVPP2_PRS_MAX_LOOP_REG(port) (0x100c + ((port) & 4))
108 #define MVPP2_PRS_MAX_LOOP_MASK(port) (0xff << (((port) % 4) * 8))
109 #define MVPP2_PRS_MAX_LOOP_VAL(port, val) ((val) << (((port) % 4) * 8))
110 #define MVPP2_PRS_TCAM_IDX_REG 0x1100
111 #define MVPP2_PRS_TCAM_DATA_REG(idx) (0x1104 + (idx) * 4)
112 #define MVPP2_PRS_TCAM_INV_MASK BIT(31)
113 #define MVPP2_PRS_SRAM_IDX_REG 0x1200
114 #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4)
115 #define MVPP2_PRS_TCAM_CTRL_REG 0x1230
116 #define MVPP2_PRS_TCAM_EN_MASK BIT(0)
118 /* Classifier Registers */
119 #define MVPP2_CLS_MODE_REG 0x1800
120 #define MVPP2_CLS_MODE_ACTIVE_MASK BIT(0)
121 #define MVPP2_CLS_PORT_WAY_REG 0x1810
122 #define MVPP2_CLS_PORT_WAY_MASK(port) (1 << (port))
123 #define MVPP2_CLS_LKP_INDEX_REG 0x1814
124 #define MVPP2_CLS_LKP_INDEX_WAY_OFFS 6
125 #define MVPP2_CLS_LKP_TBL_REG 0x1818
126 #define MVPP2_CLS_LKP_TBL_RXQ_MASK 0xff
127 #define MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK BIT(25)
128 #define MVPP2_CLS_FLOW_INDEX_REG 0x1820
129 #define MVPP2_CLS_FLOW_TBL0_REG 0x1824
130 #define MVPP2_CLS_FLOW_TBL1_REG 0x1828
131 #define MVPP2_CLS_FLOW_TBL2_REG 0x182c
132 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port) (0x1980 + ((port) * 4))
133 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
134 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
135 #define MVPP2_CLS_SWFWD_P2HQ_REG(port) (0x19b0 + ((port) * 4))
136 #define MVPP2_CLS_SWFWD_PCTRL_REG 0x19d0
137 #define MVPP2_CLS_SWFWD_PCTRL_MASK(port) (1 << (port))
139 /* Descriptor Manager Top Registers */
140 #define MVPP2_RXQ_NUM_REG 0x2040
141 #define MVPP2_RXQ_DESC_ADDR_REG 0x2044
142 #define MVPP22_DESC_ADDR_OFFS 8
143 #define MVPP2_RXQ_DESC_SIZE_REG 0x2048
144 #define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
145 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
146 #define MVPP2_RXQ_NUM_PROCESSED_OFFSET 0
147 #define MVPP2_RXQ_NUM_NEW_OFFSET 16
148 #define MVPP2_RXQ_STATUS_REG(rxq) (0x3400 + 4 * (rxq))
149 #define MVPP2_RXQ_OCCUPIED_MASK 0x3fff
150 #define MVPP2_RXQ_NON_OCCUPIED_OFFSET 16
151 #define MVPP2_RXQ_NON_OCCUPIED_MASK 0x3fff0000
152 #define MVPP2_RXQ_THRESH_REG 0x204c
153 #define MVPP2_OCCUPIED_THRESH_OFFSET 0
154 #define MVPP2_OCCUPIED_THRESH_MASK 0x3fff
155 #define MVPP2_RXQ_INDEX_REG 0x2050
156 #define MVPP2_TXQ_NUM_REG 0x2080
157 #define MVPP2_TXQ_DESC_ADDR_REG 0x2084
158 #define MVPP2_TXQ_DESC_SIZE_REG 0x2088
159 #define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
160 #define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
161 #define MVPP2_TXQ_THRESH_REG 0x2094
162 #define MVPP2_TRANSMITTED_THRESH_OFFSET 16
163 #define MVPP2_TRANSMITTED_THRESH_MASK 0x3fff0000
164 #define MVPP2_TXQ_INDEX_REG 0x2098
165 #define MVPP2_TXQ_PREF_BUF_REG 0x209c
166 #define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
167 #define MVPP2_PREF_BUF_SIZE_4 (BIT(12) | BIT(13))
168 #define MVPP2_PREF_BUF_SIZE_16 (BIT(12) | BIT(14))
169 #define MVPP2_PREF_BUF_THRESH(val) ((val) << 17)
170 #define MVPP2_TXQ_DRAIN_EN_MASK BIT(31)
171 #define MVPP2_TXQ_PENDING_REG 0x20a0
172 #define MVPP2_TXQ_PENDING_MASK 0x3fff
173 #define MVPP2_TXQ_INT_STATUS_REG 0x20a4
174 #define MVPP2_TXQ_SENT_REG(txq) (0x3c00 + 4 * (txq))
175 #define MVPP2_TRANSMITTED_COUNT_OFFSET 16
176 #define MVPP2_TRANSMITTED_COUNT_MASK 0x3fff0000
177 #define MVPP2_TXQ_RSVD_REQ_REG 0x20b0
178 #define MVPP2_TXQ_RSVD_REQ_Q_OFFSET 16
179 #define MVPP2_TXQ_RSVD_RSLT_REG 0x20b4
180 #define MVPP2_TXQ_RSVD_RSLT_MASK 0x3fff
181 #define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
182 #define MVPP2_TXQ_RSVD_CLR_OFFSET 16
183 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
184 #define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
185 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
186 #define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
187 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
188 #define MVPP2_AGGR_TXQ_PENDING_MASK 0x3fff
189 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu) (0x21c0 + 4 * (cpu))
191 /* MBUS bridge registers */
192 #define MVPP2_WIN_BASE(w) (0x4000 + ((w) << 2))
193 #define MVPP2_WIN_SIZE(w) (0x4020 + ((w) << 2))
194 #define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
195 #define MVPP2_BASE_ADDR_ENABLE 0x4060
197 /* AXI Bridge Registers */
198 #define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
199 #define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
200 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
201 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
202 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
203 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
204 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
205 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
206 #define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
207 #define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
208 #define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
209 #define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
211 /* Values for AXI Bridge registers */
212 #define MVPP22_AXI_ATTR_CACHE_OFFS 0
213 #define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
215 #define MVPP22_AXI_CODE_CACHE_OFFS 0
216 #define MVPP22_AXI_CODE_DOMAIN_OFFS 4
218 #define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
219 #define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
220 #define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
222 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
223 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
225 /* Interrupt Cause and Mask registers */
226 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
227 #define MVPP21_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
229 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
230 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
231 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
232 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
234 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
235 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
237 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
238 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
239 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
240 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
242 #define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
243 #define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
244 #define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
245 #define MVPP2_ISR_RX_TX_CAUSE_REG(port) (0x5480 + 4 * (port))
246 #define MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
247 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
248 #define MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK BIT(24)
249 #define MVPP2_CAUSE_FCS_ERR_MASK BIT(25)
250 #define MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK BIT(26)
251 #define MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK BIT(29)
252 #define MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK BIT(30)
253 #define MVPP2_CAUSE_MISC_SUM_MASK BIT(31)
254 #define MVPP2_ISR_RX_TX_MASK_REG(port) (0x54a0 + 4 * (port))
255 #define MVPP2_ISR_PON_RX_TX_MASK_REG 0x54bc
256 #define MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
257 #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
258 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31)
259 #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0
261 /* Buffer Manager registers */
262 #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4))
263 #define MVPP2_BM_POOL_BASE_ADDR_MASK 0xfffff80
264 #define MVPP2_BM_POOL_SIZE_REG(pool) (0x6040 + ((pool) * 4))
265 #define MVPP2_BM_POOL_SIZE_MASK 0xfff0
266 #define MVPP2_BM_POOL_READ_PTR_REG(pool) (0x6080 + ((pool) * 4))
267 #define MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
268 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool) (0x60c0 + ((pool) * 4))
269 #define MVPP2_BM_POOL_PTRS_NUM_MASK 0xfff0
270 #define MVPP2_BM_BPPI_READ_PTR_REG(pool) (0x6100 + ((pool) * 4))
271 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool) (0x6140 + ((pool) * 4))
272 #define MVPP2_BM_BPPI_PTR_NUM_MASK 0x7ff
273 #define MVPP2_BM_BPPI_PREFETCH_FULL_MASK BIT(16)
274 #define MVPP2_BM_POOL_CTRL_REG(pool) (0x6200 + ((pool) * 4))
275 #define MVPP2_BM_START_MASK BIT(0)
276 #define MVPP2_BM_STOP_MASK BIT(1)
277 #define MVPP2_BM_STATE_MASK BIT(4)
278 #define MVPP2_BM_LOW_THRESH_OFFS 8
279 #define MVPP2_BM_LOW_THRESH_MASK 0x7f00
280 #define MVPP2_BM_LOW_THRESH_VALUE(val) ((val) << \
281 MVPP2_BM_LOW_THRESH_OFFS)
282 #define MVPP2_BM_HIGH_THRESH_OFFS 16
283 #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000
284 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
285 MVPP2_BM_HIGH_THRESH_OFFS)
286 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4))
287 #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0)
288 #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1)
289 #define MVPP2_BM_BPPE_EMPTY_MASK BIT(2)
290 #define MVPP2_BM_BPPE_FULL_MASK BIT(3)
291 #define MVPP2_BM_AVAILABLE_BP_LOW_MASK BIT(4)
292 #define MVPP2_BM_INTR_MASK_REG(pool) (0x6280 + ((pool) * 4))
293 #define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
294 #define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
295 #define MVPP2_BM_VIRT_ALLOC_REG 0x6440
296 #define MVPP2_BM_ADDR_HIGH_ALLOC 0x6444
297 #define MVPP2_BM_ADDR_HIGH_PHYS_MASK 0xff
298 #define MVPP2_BM_ADDR_HIGH_VIRT_MASK 0xff00
299 #define MVPP2_BM_ADDR_HIGH_VIRT_SHIFT 8
300 #define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
301 #define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
302 #define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
303 #define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
304 #define MVPP2_BM_VIRT_RLS_REG 0x64c0
305 #define MVPP21_BM_MC_RLS_REG 0x64c4
306 #define MVPP2_BM_MC_ID_MASK 0xfff
307 #define MVPP2_BM_FORCE_RELEASE_MASK BIT(12)
308 #define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
309 #define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
310 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
311 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
312 #define MVPP22_BM_MC_RLS_REG 0x64d4
313 #define MVPP22_BM_POOL_BASE_HIGH_REG 0x6310
314 #define MVPP22_BM_POOL_BASE_HIGH_MASK 0xff
316 /* TX Scheduler registers */
317 #define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
318 #define MVPP2_TXP_SCHED_Q_CMD_REG 0x8004
319 #define MVPP2_TXP_SCHED_ENQ_MASK 0xff
320 #define MVPP2_TXP_SCHED_DISQ_OFFSET 8
321 #define MVPP2_TXP_SCHED_CMD_1_REG 0x8010
322 #define MVPP2_TXP_SCHED_PERIOD_REG 0x8018
323 #define MVPP2_TXP_SCHED_MTU_REG 0x801c
324 #define MVPP2_TXP_MTU_MAX 0x7FFFF
325 #define MVPP2_TXP_SCHED_REFILL_REG 0x8020
326 #define MVPP2_TXP_REFILL_TOKENS_ALL_MASK 0x7ffff
327 #define MVPP2_TXP_REFILL_PERIOD_ALL_MASK 0x3ff00000
328 #define MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
329 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG 0x8024
330 #define MVPP2_TXP_TOKEN_SIZE_MAX 0xffffffff
331 #define MVPP2_TXQ_SCHED_REFILL_REG(q) (0x8040 + ((q) << 2))
332 #define MVPP2_TXQ_REFILL_TOKENS_ALL_MASK 0x7ffff
333 #define MVPP2_TXQ_REFILL_PERIOD_ALL_MASK 0x3ff00000
334 #define MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
335 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q) (0x8060 + ((q) << 2))
336 #define MVPP2_TXQ_TOKEN_SIZE_MAX 0x7fffffff
337 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q) (0x8080 + ((q) << 2))
338 #define MVPP2_TXQ_TOKEN_CNTR_MAX 0xffffffff
340 /* TX general registers */
341 #define MVPP2_TX_SNOOP_REG 0x8800
342 #define MVPP2_TX_PORT_FLUSH_REG 0x8810
343 #define MVPP2_TX_PORT_FLUSH_MASK(port) (1 << (port))
346 #define MVPP2_SRC_ADDR_MIDDLE 0x24
347 #define MVPP2_SRC_ADDR_HIGH 0x28
348 #define MVPP2_PHY_AN_CFG0_REG 0x34
349 #define MVPP2_PHY_AN_STOP_SMI0_MASK BIT(7)
350 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG 0x305c
351 #define MVPP2_EXT_GLOBAL_CTRL_DEFAULT 0x27
353 /* Per-port registers */
354 #define MVPP2_GMAC_CTRL_0_REG 0x0
355 #define MVPP2_GMAC_PORT_EN_MASK BIT(0)
356 #define MVPP2_GMAC_PORT_TYPE_MASK BIT(1)
357 #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2
358 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc
359 #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15)
360 #define MVPP2_GMAC_CTRL_1_REG 0x4
361 #define MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
362 #define MVPP2_GMAC_GMII_LB_EN_MASK BIT(5)
363 #define MVPP2_GMAC_PCS_LB_EN_BIT 6
364 #define MVPP2_GMAC_PCS_LB_EN_MASK BIT(6)
365 #define MVPP2_GMAC_SA_LOW_OFFS 7
366 #define MVPP2_GMAC_CTRL_2_REG 0x8
367 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0)
368 #define MVPP2_GMAC_SGMII_MODE_MASK BIT(0)
369 #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3)
370 #define MVPP2_GMAC_PORT_RGMII_MASK BIT(4)
371 #define MVPP2_GMAC_PORT_DIS_PADING_MASK BIT(5)
372 #define MVPP2_GMAC_PORT_RESET_MASK BIT(6)
373 #define MVPP2_GMAC_CLK_125_BYPS_EN_MASK BIT(9)
374 #define MVPP2_GMAC_AUTONEG_CONFIG 0xc
375 #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0)
376 #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1)
377 #define MVPP2_GMAC_EN_PCS_AN BIT(2)
378 #define MVPP2_GMAC_AN_BYPASS_EN BIT(3)
379 #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5)
380 #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6)
381 #define MVPP2_GMAC_AN_SPEED_EN BIT(7)
382 #define MVPP2_GMAC_FC_ADV_EN BIT(9)
383 #define MVPP2_GMAC_EN_FC_AN BIT(11)
384 #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12)
385 #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13)
386 #define MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG BIT(15)
387 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c
388 #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6
389 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
390 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
391 MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
392 #define MVPP2_GMAC_CTRL_4_REG 0x90
393 #define MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK BIT(0)
394 #define MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK BIT(5)
395 #define MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK BIT(6)
396 #define MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK BIT(7)
399 * Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
400 * relative to port->base.
403 /* Port Mac Control0 */
404 #define MVPP22_XLG_CTRL0_REG 0x100
405 #define MVPP22_XLG_PORT_EN BIT(0)
406 #define MVPP22_XLG_MAC_RESETN BIT(1)
407 #define MVPP22_XLG_RX_FC_EN BIT(7)
408 #define MVPP22_XLG_MIBCNT_DIS BIT(13)
409 /* Port Mac Control1 */
410 #define MVPP22_XLG_CTRL1_REG 0x104
411 #define MVPP22_XLG_MAX_RX_SIZE_OFFS 0
412 #define MVPP22_XLG_MAX_RX_SIZE_MASK 0x1fff
413 /* Port Interrupt Mask */
414 #define MVPP22_XLG_INTERRUPT_MASK_REG 0x118
415 #define MVPP22_XLG_INTERRUPT_LINK_CHANGE BIT(1)
416 /* Port Mac Control3 */
417 #define MVPP22_XLG_CTRL3_REG 0x11c
418 #define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
419 #define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
420 #define MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC (1 << 13)
421 /* Port Mac Control4 */
422 #define MVPP22_XLG_CTRL4_REG 0x184
423 #define MVPP22_XLG_FORWARD_802_3X_FC_EN BIT(5)
424 #define MVPP22_XLG_FORWARD_PFC_EN BIT(6)
425 #define MVPP22_XLG_MODE_DMA_1G BIT(12)
426 #define MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK BIT(14)
430 /* Global Configuration 0 */
431 #define MVPP22_XPCS_GLOBAL_CFG_0_REG 0x0
432 #define MVPP22_XPCS_PCSRESET BIT(0)
433 #define MVPP22_XPCS_PCSMODE_OFFS 3
434 #define MVPP22_XPCS_PCSMODE_MASK (0x3 << \
435 MVPP22_XPCS_PCSMODE_OFFS)
436 #define MVPP22_XPCS_LANEACTIVE_OFFS 5
437 #define MVPP22_XPCS_LANEACTIVE_MASK (0x3 << \
438 MVPP22_XPCS_LANEACTIVE_OFFS)
442 #define PCS40G_COMMON_CONTROL 0x14
443 #define FORWARD_ERROR_CORRECTION_MASK BIT(10)
445 #define PCS_CLOCK_RESET 0x14c
446 #define TX_SD_CLK_RESET_MASK BIT(0)
447 #define RX_SD_CLK_RESET_MASK BIT(1)
448 #define MAC_CLK_RESET_MASK BIT(2)
449 #define CLK_DIVISION_RATIO_OFFS 4
450 #define CLK_DIVISION_RATIO_MASK (0x7 << CLK_DIVISION_RATIO_OFFS)
451 #define CLK_DIV_PHASE_SET_MASK BIT(11)
453 /* System Soft Reset 1 */
454 #define GOP_SOFT_RESET_1_REG 0x108
455 #define NETC_GOP_SOFT_RESET_OFFS 6
456 #define NETC_GOP_SOFT_RESET_MASK (0x1 << \
457 NETC_GOP_SOFT_RESET_OFFS)
459 /* Ports Control 0 */
460 #define NETCOMP_PORTS_CONTROL_0_REG 0x110
461 #define NETC_BUS_WIDTH_SELECT_OFFS 1
462 #define NETC_BUS_WIDTH_SELECT_MASK (0x1 << \
463 NETC_BUS_WIDTH_SELECT_OFFS)
464 #define NETC_GIG_RX_DATA_SAMPLE_OFFS 29
465 #define NETC_GIG_RX_DATA_SAMPLE_MASK (0x1 << \
466 NETC_GIG_RX_DATA_SAMPLE_OFFS)
467 #define NETC_CLK_DIV_PHASE_OFFS 31
468 #define NETC_CLK_DIV_PHASE_MASK (0x1 << NETC_CLK_DIV_PHASE_OFFS)
469 /* Ports Control 1 */
470 #define NETCOMP_PORTS_CONTROL_1_REG 0x114
471 #define NETC_PORTS_ACTIVE_OFFSET(p) (0 + p)
472 #define NETC_PORTS_ACTIVE_MASK(p) (0x1 << \
473 NETC_PORTS_ACTIVE_OFFSET(p))
474 #define NETC_PORT_GIG_RF_RESET_OFFS(p) (28 + p)
475 #define NETC_PORT_GIG_RF_RESET_MASK(p) (0x1 << \
476 NETC_PORT_GIG_RF_RESET_OFFS(p))
477 #define NETCOMP_CONTROL_0_REG 0x120
478 #define NETC_GBE_PORT0_SGMII_MODE_OFFS 0
479 #define NETC_GBE_PORT0_SGMII_MODE_MASK (0x1 << \
480 NETC_GBE_PORT0_SGMII_MODE_OFFS)
481 #define NETC_GBE_PORT1_SGMII_MODE_OFFS 1
482 #define NETC_GBE_PORT1_SGMII_MODE_MASK (0x1 << \
483 NETC_GBE_PORT1_SGMII_MODE_OFFS)
484 #define NETC_GBE_PORT1_MII_MODE_OFFS 2
485 #define NETC_GBE_PORT1_MII_MODE_MASK (0x1 << \
486 NETC_GBE_PORT1_MII_MODE_OFFS)
488 #define MVPP22_SMI_MISC_CFG_REG (MVPP22_SMI + 0x04)
489 #define MVPP22_SMI_POLLING_EN BIT(10)
491 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
493 /* Descriptor ring Macros */
494 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
495 (((index) < (q)->last_desc) ? ((index) + 1) : 0)
497 /* PP2.2: SMI: 0x12a200 -> offset 0x1200 to iface_base */
498 #define MVPP22_SMI 0x1200
500 /* Additional PPv2.2 offsets */
501 #define MVPP22_MPCS 0x007000
502 #define MVPP22_XPCS 0x007400
503 #define MVPP22_PORT_BASE 0x007e00
504 #define MVPP22_PORT_OFFSET 0x001000
505 #define MVPP22_RFU1 0x318000
507 /* Maximum number of ports */
508 #define MVPP22_GOP_MAC_NUM 4
510 /* Sets the field located at the specified in data */
511 #define MVPP2_RGMII_TX_FIFO_MIN_TH 0x41
512 #define MVPP2_SGMII_TX_FIFO_MIN_TH 0x5
513 #define MVPP2_SGMII2_5_TX_FIFO_MIN_TH 0xb
516 enum mv_netc_topology {
517 MV_NETC_GE_MAC2_SGMII = BIT(0),
518 MV_NETC_GE_MAC2_RGMII = BIT(1),
519 MV_NETC_GE_MAC3_SGMII = BIT(2),
520 MV_NETC_GE_MAC3_RGMII = BIT(3),
525 MV_NETC_SECOND_PHASE,
528 enum mv_netc_sgmii_xmi_mode {
533 enum mv_netc_mii_mode {
543 /* Various constants */
546 #define MVPP2_TXDONE_COAL_PKTS_THRESH 15
547 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL
548 #define MVPP2_RX_COAL_PKTS 32
549 #define MVPP2_RX_COAL_USEC 100
551 /* The two bytes Marvell header. Either contains a special value used
552 * by Marvell switches when a specific hardware mode is enabled (not
553 * supported by this driver) or is filled automatically by zeroes on
554 * the RX side. Those two bytes being at the front of the Ethernet
555 * header, they allow to have the IP header aligned on a 4 bytes
556 * boundary automatically: the hardware skips those two bytes on its
559 #define MVPP2_MH_SIZE 2
560 #define MVPP2_ETH_TYPE_LEN 2
561 #define MVPP2_PPPOE_HDR_SIZE 8
562 #define MVPP2_VLAN_TAG_LEN 4
564 /* Lbtd 802.3 type */
565 #define MVPP2_IP_LBDT_TYPE 0xfffa
567 #define MVPP2_CPU_D_CACHE_LINE_SIZE 32
568 #define MVPP2_TX_CSUM_MAX_SIZE 9800
570 /* Timeout constants */
571 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC 1000
572 #define MVPP2_TX_PENDING_TIMEOUT_MSEC 1000
574 #define MVPP2_TX_MTU_MAX 0x7ffff
576 /* Maximum number of T-CONTs of PON port */
577 #define MVPP2_MAX_TCONT 16
579 /* Maximum number of supported ports */
580 #define MVPP2_MAX_PORTS 4
582 /* Maximum number of TXQs used by single port */
583 #define MVPP2_MAX_TXQ 8
585 /* Default number of TXQs in use */
586 #define MVPP2_DEFAULT_TXQ 1
588 /* Default number of RXQs in use */
589 #define MVPP2_DEFAULT_RXQ 1
590 #define CONFIG_MV_ETH_RXQ 8 /* increment by 8 */
592 /* Max number of Rx descriptors */
593 #define MVPP2_MAX_RXD 16
595 /* Max number of Tx descriptors */
596 #define MVPP2_MAX_TXD 16
598 /* Amount of Tx descriptors that can be reserved at once by CPU */
599 #define MVPP2_CPU_DESC_CHUNK 16
601 /* Max number of Tx descriptors in each aggregated queue */
602 #define MVPP2_AGGR_TXQ_SIZE 16
604 /* Descriptor aligned size */
605 #define MVPP2_DESC_ALIGNED_SIZE 32
607 /* Descriptor alignment mask */
608 #define MVPP2_TX_DESC_ALIGN (MVPP2_DESC_ALIGNED_SIZE - 1)
610 /* RX FIFO constants */
611 #define MVPP21_RX_FIFO_PORT_DATA_SIZE 0x2000
612 #define MVPP21_RX_FIFO_PORT_ATTR_SIZE 0x80
613 #define MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE 0x8000
614 #define MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE 0x2000
615 #define MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE 0x1000
616 #define MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE 0x200
617 #define MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE 0x80
618 #define MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE 0x40
619 #define MVPP2_RX_FIFO_PORT_MIN_PKT 0x80
621 /* TX general registers */
622 #define MVPP22_TX_FIFO_SIZE_REG(eth_tx_port) (0x8860 + ((eth_tx_port) << 2))
623 #define MVPP22_TX_FIFO_SIZE_MASK 0xf
625 /* TX FIFO constants */
626 #define MVPP2_TX_FIFO_DATA_SIZE_10KB 0xa
627 #define MVPP2_TX_FIFO_DATA_SIZE_3KB 0x3
629 /* RX buffer constants */
630 #define MVPP2_SKB_SHINFO_SIZE \
633 #define MVPP2_RX_PKT_SIZE(mtu) \
634 ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
635 ETH_HLEN + ETH_FCS_LEN, MVPP2_CPU_D_CACHE_LINE_SIZE)
637 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
638 #define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
639 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
640 ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
642 #define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
644 /* IPv6 max L3 address size */
645 #define MVPP2_MAX_L3_ADDR_SIZE 16
648 #define MVPP2_F_LOOPBACK BIT(0)
650 /* Marvell tag types */
651 enum mvpp2_tag_type {
652 MVPP2_TAG_TYPE_NONE = 0,
653 MVPP2_TAG_TYPE_MH = 1,
654 MVPP2_TAG_TYPE_DSA = 2,
655 MVPP2_TAG_TYPE_EDSA = 3,
656 MVPP2_TAG_TYPE_VLAN = 4,
657 MVPP2_TAG_TYPE_LAST = 5
660 /* Parser constants */
661 #define MVPP2_PRS_TCAM_SRAM_SIZE 256
662 #define MVPP2_PRS_TCAM_WORDS 6
663 #define MVPP2_PRS_SRAM_WORDS 4
664 #define MVPP2_PRS_FLOW_ID_SIZE 64
665 #define MVPP2_PRS_FLOW_ID_MASK 0x3f
666 #define MVPP2_PRS_TCAM_ENTRY_INVALID 1
667 #define MVPP2_PRS_TCAM_DSA_TAGGED_BIT BIT(5)
668 #define MVPP2_PRS_IPV4_HEAD 0x40
669 #define MVPP2_PRS_IPV4_HEAD_MASK 0xf0
670 #define MVPP2_PRS_IPV4_MC 0xe0
671 #define MVPP2_PRS_IPV4_MC_MASK 0xf0
672 #define MVPP2_PRS_IPV4_BC_MASK 0xff
673 #define MVPP2_PRS_IPV4_IHL 0x5
674 #define MVPP2_PRS_IPV4_IHL_MASK 0xf
675 #define MVPP2_PRS_IPV6_MC 0xff
676 #define MVPP2_PRS_IPV6_MC_MASK 0xff
677 #define MVPP2_PRS_IPV6_HOP_MASK 0xff
678 #define MVPP2_PRS_TCAM_PROTO_MASK 0xff
679 #define MVPP2_PRS_TCAM_PROTO_MASK_L 0x3f
680 #define MVPP2_PRS_DBL_VLANS_MAX 100
683 * - lookup ID - 4 bits
685 * - additional information - 1 byte
686 * - header data - 8 bytes
687 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(5)->(0).
689 #define MVPP2_PRS_AI_BITS 8
690 #define MVPP2_PRS_PORT_MASK 0xff
691 #define MVPP2_PRS_LU_MASK 0xf
692 #define MVPP2_PRS_TCAM_DATA_BYTE(offs) \
693 (((offs) - ((offs) % 2)) * 2 + ((offs) % 2))
694 #define MVPP2_PRS_TCAM_DATA_BYTE_EN(offs) \
695 (((offs) * 2) - ((offs) % 2) + 2)
696 #define MVPP2_PRS_TCAM_AI_BYTE 16
697 #define MVPP2_PRS_TCAM_PORT_BYTE 17
698 #define MVPP2_PRS_TCAM_LU_BYTE 20
699 #define MVPP2_PRS_TCAM_EN_OFFS(offs) ((offs) + 2)
700 #define MVPP2_PRS_TCAM_INV_WORD 5
701 /* Tcam entries ID */
702 #define MVPP2_PE_DROP_ALL 0
703 #define MVPP2_PE_FIRST_FREE_TID 1
704 #define MVPP2_PE_LAST_FREE_TID (MVPP2_PRS_TCAM_SRAM_SIZE - 31)
705 #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30)
706 #define MVPP2_PE_MAC_MC_IP6 (MVPP2_PRS_TCAM_SRAM_SIZE - 29)
707 #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28)
708 #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 27)
709 #define MVPP2_PE_LAST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 26)
710 #define MVPP2_PE_FIRST_DEFAULT_FLOW (MVPP2_PRS_TCAM_SRAM_SIZE - 19)
711 #define MVPP2_PE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 18)
712 #define MVPP2_PE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 17)
713 #define MVPP2_PE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 16)
714 #define MVPP2_PE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 15)
715 #define MVPP2_PE_ETYPE_EDSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 14)
716 #define MVPP2_PE_ETYPE_EDSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 13)
717 #define MVPP2_PE_ETYPE_DSA_TAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 12)
718 #define MVPP2_PE_ETYPE_DSA_UNTAGGED (MVPP2_PRS_TCAM_SRAM_SIZE - 11)
719 #define MVPP2_PE_MH_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 10)
720 #define MVPP2_PE_DSA_DEFAULT (MVPP2_PRS_TCAM_SRAM_SIZE - 9)
721 #define MVPP2_PE_IP6_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 8)
722 #define MVPP2_PE_IP4_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 7)
723 #define MVPP2_PE_ETH_TYPE_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 6)
724 #define MVPP2_PE_VLAN_DBL (MVPP2_PRS_TCAM_SRAM_SIZE - 5)
725 #define MVPP2_PE_VLAN_NONE (MVPP2_PRS_TCAM_SRAM_SIZE - 4)
726 #define MVPP2_PE_MAC_MC_ALL (MVPP2_PRS_TCAM_SRAM_SIZE - 3)
727 #define MVPP2_PE_MAC_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 2)
728 #define MVPP2_PE_MAC_NON_PROMISCUOUS (MVPP2_PRS_TCAM_SRAM_SIZE - 1)
731 * The fields are represented by MVPP2_PRS_TCAM_DATA_REG(3)->(0).
733 #define MVPP2_PRS_SRAM_RI_OFFS 0
734 #define MVPP2_PRS_SRAM_RI_WORD 0
735 #define MVPP2_PRS_SRAM_RI_CTRL_OFFS 32
736 #define MVPP2_PRS_SRAM_RI_CTRL_WORD 1
737 #define MVPP2_PRS_SRAM_RI_CTRL_BITS 32
738 #define MVPP2_PRS_SRAM_SHIFT_OFFS 64
739 #define MVPP2_PRS_SRAM_SHIFT_SIGN_BIT 72
740 #define MVPP2_PRS_SRAM_UDF_OFFS 73
741 #define MVPP2_PRS_SRAM_UDF_BITS 8
742 #define MVPP2_PRS_SRAM_UDF_MASK 0xff
743 #define MVPP2_PRS_SRAM_UDF_SIGN_BIT 81
744 #define MVPP2_PRS_SRAM_UDF_TYPE_OFFS 82
745 #define MVPP2_PRS_SRAM_UDF_TYPE_MASK 0x7
746 #define MVPP2_PRS_SRAM_UDF_TYPE_L3 1
747 #define MVPP2_PRS_SRAM_UDF_TYPE_L4 4
748 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS 85
749 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK 0x3
750 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD 1
751 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP4_ADD 2
752 #define MVPP2_PRS_SRAM_OP_SEL_SHIFT_IP6_ADD 3
753 #define MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS 87
754 #define MVPP2_PRS_SRAM_OP_SEL_UDF_BITS 2
755 #define MVPP2_PRS_SRAM_OP_SEL_UDF_MASK 0x3
756 #define MVPP2_PRS_SRAM_OP_SEL_UDF_ADD 0
757 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP4_ADD 2
758 #define MVPP2_PRS_SRAM_OP_SEL_UDF_IP6_ADD 3
759 #define MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS 89
760 #define MVPP2_PRS_SRAM_AI_OFFS 90
761 #define MVPP2_PRS_SRAM_AI_CTRL_OFFS 98
762 #define MVPP2_PRS_SRAM_AI_CTRL_BITS 8
763 #define MVPP2_PRS_SRAM_AI_MASK 0xff
764 #define MVPP2_PRS_SRAM_NEXT_LU_OFFS 106
765 #define MVPP2_PRS_SRAM_NEXT_LU_MASK 0xf
766 #define MVPP2_PRS_SRAM_LU_DONE_BIT 110
767 #define MVPP2_PRS_SRAM_LU_GEN_BIT 111
769 /* Sram result info bits assignment */
770 #define MVPP2_PRS_RI_MAC_ME_MASK 0x1
771 #define MVPP2_PRS_RI_DSA_MASK 0x2
772 #define MVPP2_PRS_RI_VLAN_MASK (BIT(2) | BIT(3))
773 #define MVPP2_PRS_RI_VLAN_NONE 0x0
774 #define MVPP2_PRS_RI_VLAN_SINGLE BIT(2)
775 #define MVPP2_PRS_RI_VLAN_DOUBLE BIT(3)
776 #define MVPP2_PRS_RI_VLAN_TRIPLE (BIT(2) | BIT(3))
777 #define MVPP2_PRS_RI_CPU_CODE_MASK 0x70
778 #define MVPP2_PRS_RI_CPU_CODE_RX_SPEC BIT(4)
779 #define MVPP2_PRS_RI_L2_CAST_MASK (BIT(9) | BIT(10))
780 #define MVPP2_PRS_RI_L2_UCAST 0x0
781 #define MVPP2_PRS_RI_L2_MCAST BIT(9)
782 #define MVPP2_PRS_RI_L2_BCAST BIT(10)
783 #define MVPP2_PRS_RI_PPPOE_MASK 0x800
784 #define MVPP2_PRS_RI_L3_PROTO_MASK (BIT(12) | BIT(13) | BIT(14))
785 #define MVPP2_PRS_RI_L3_UN 0x0
786 #define MVPP2_PRS_RI_L3_IP4 BIT(12)
787 #define MVPP2_PRS_RI_L3_IP4_OPT BIT(13)
788 #define MVPP2_PRS_RI_L3_IP4_OTHER (BIT(12) | BIT(13))
789 #define MVPP2_PRS_RI_L3_IP6 BIT(14)
790 #define MVPP2_PRS_RI_L3_IP6_EXT (BIT(12) | BIT(14))
791 #define MVPP2_PRS_RI_L3_ARP (BIT(13) | BIT(14))
792 #define MVPP2_PRS_RI_L3_ADDR_MASK (BIT(15) | BIT(16))
793 #define MVPP2_PRS_RI_L3_UCAST 0x0
794 #define MVPP2_PRS_RI_L3_MCAST BIT(15)
795 #define MVPP2_PRS_RI_L3_BCAST (BIT(15) | BIT(16))
796 #define MVPP2_PRS_RI_IP_FRAG_MASK 0x20000
797 #define MVPP2_PRS_RI_UDF3_MASK 0x300000
798 #define MVPP2_PRS_RI_UDF3_RX_SPECIAL BIT(21)
799 #define MVPP2_PRS_RI_L4_PROTO_MASK 0x1c00000
800 #define MVPP2_PRS_RI_L4_TCP BIT(22)
801 #define MVPP2_PRS_RI_L4_UDP BIT(23)
802 #define MVPP2_PRS_RI_L4_OTHER (BIT(22) | BIT(23))
803 #define MVPP2_PRS_RI_UDF7_MASK 0x60000000
804 #define MVPP2_PRS_RI_UDF7_IP6_LITE BIT(29)
805 #define MVPP2_PRS_RI_DROP_MASK 0x80000000
807 /* Sram additional info bits assignment */
808 #define MVPP2_PRS_IPV4_DIP_AI_BIT BIT(0)
809 #define MVPP2_PRS_IPV6_NO_EXT_AI_BIT BIT(0)
810 #define MVPP2_PRS_IPV6_EXT_AI_BIT BIT(1)
811 #define MVPP2_PRS_IPV6_EXT_AH_AI_BIT BIT(2)
812 #define MVPP2_PRS_IPV6_EXT_AH_LEN_AI_BIT BIT(3)
813 #define MVPP2_PRS_IPV6_EXT_AH_L4_AI_BIT BIT(4)
814 #define MVPP2_PRS_SINGLE_VLAN_AI 0
815 #define MVPP2_PRS_DBL_VLAN_AI_BIT BIT(7)
818 #define MVPP2_PRS_TAGGED true
819 #define MVPP2_PRS_UNTAGGED false
820 #define MVPP2_PRS_EDSA true
821 #define MVPP2_PRS_DSA false
823 /* MAC entries, shadow udf */
825 MVPP2_PRS_UDF_MAC_DEF,
826 MVPP2_PRS_UDF_MAC_RANGE,
827 MVPP2_PRS_UDF_L2_DEF,
828 MVPP2_PRS_UDF_L2_DEF_COPY,
829 MVPP2_PRS_UDF_L2_USER,
833 enum mvpp2_prs_lookup {
847 enum mvpp2_prs_l3_cast {
848 MVPP2_PRS_L3_UNI_CAST,
849 MVPP2_PRS_L3_MULTI_CAST,
850 MVPP2_PRS_L3_BROAD_CAST
853 /* Classifier constants */
854 #define MVPP2_CLS_FLOWS_TBL_SIZE 512
855 #define MVPP2_CLS_FLOWS_TBL_DATA_WORDS 3
856 #define MVPP2_CLS_LKP_TBL_SIZE 64
859 #define MVPP2_BM_POOLS_NUM 1
860 #define MVPP2_BM_LONG_BUF_NUM 16
861 #define MVPP2_BM_SHORT_BUF_NUM 16
862 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
863 #define MVPP2_BM_POOL_PTR_ALIGN 128
864 #define MVPP2_BM_SWF_LONG_POOL(port) 0
866 /* BM cookie (32 bits) definition */
867 #define MVPP2_BM_COOKIE_POOL_OFFS 8
868 #define MVPP2_BM_COOKIE_CPU_OFFS 24
870 /* BM short pool packet size
871 * These value assure that for SWF the total number
872 * of bytes allocated for each buffer will be 512
874 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(512)
884 /* Shared Packet Processor resources */
886 /* Shared registers' base addresses */
888 void __iomem *lms_base;
889 void __iomem *iface_base;
891 void __iomem *mpcs_base;
892 void __iomem *xpcs_base;
893 void __iomem *rfu1_base;
897 /* List of pointers to port structures */
898 struct mvpp2_port **port_list;
900 /* Aggregated TXQs */
901 struct mvpp2_tx_queue *aggr_txqs;
904 struct mvpp2_bm_pool *bm_pools;
906 /* PRS shadow table */
907 struct mvpp2_prs_shadow *prs_shadow;
908 /* PRS auxiliary table for double vlan entries control */
909 bool *prs_double_vlans;
915 enum { MVPP21, MVPP22 } hw_version;
917 /* Maximum number of RXQs per port */
918 unsigned int max_port_rxqs;
924 struct mvpp2_pcpu_stats {
934 /* Index of the port from the "group of ports" complex point
943 /* Per-port registers' base address */
946 struct mvpp2_rx_queue **rxqs;
947 struct mvpp2_tx_queue **txqs;
951 u32 pending_cause_rx;
953 /* Per-CPU port control */
954 struct mvpp2_port_pcpu __percpu *pcpu;
961 struct mvpp2_pcpu_stats __percpu *stats;
963 struct phy_device *phy_dev;
964 phy_interface_t phy_interface;
966 struct udevice *mdio_dev;
968 #if CONFIG_IS_ENABLED(DM_GPIO)
969 struct gpio_desc phy_reset_gpio;
970 struct gpio_desc phy_tx_disable_gpio;
977 struct mvpp2_bm_pool *pool_long;
978 struct mvpp2_bm_pool *pool_short;
980 /* Index of first port's physical RXQ */
983 u8 dev_addr[ETH_ALEN];
986 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
987 * layout of the transmit and reception DMA descriptors, and their
988 * layout is therefore defined by the hardware design
991 #define MVPP2_TXD_L3_OFF_SHIFT 0
992 #define MVPP2_TXD_IP_HLEN_SHIFT 8
993 #define MVPP2_TXD_L4_CSUM_FRAG BIT(13)
994 #define MVPP2_TXD_L4_CSUM_NOT BIT(14)
995 #define MVPP2_TXD_IP_CSUM_DISABLE BIT(15)
996 #define MVPP2_TXD_PADDING_DISABLE BIT(23)
997 #define MVPP2_TXD_L4_UDP BIT(24)
998 #define MVPP2_TXD_L3_IP6 BIT(26)
999 #define MVPP2_TXD_L_DESC BIT(28)
1000 #define MVPP2_TXD_F_DESC BIT(29)
1002 #define MVPP2_RXD_ERR_SUMMARY BIT(15)
1003 #define MVPP2_RXD_ERR_CODE_MASK (BIT(13) | BIT(14))
1004 #define MVPP2_RXD_ERR_CRC 0x0
1005 #define MVPP2_RXD_ERR_OVERRUN BIT(13)
1006 #define MVPP2_RXD_ERR_RESOURCE (BIT(13) | BIT(14))
1007 #define MVPP2_RXD_BM_POOL_ID_OFFS 16
1008 #define MVPP2_RXD_BM_POOL_ID_MASK (BIT(16) | BIT(17) | BIT(18))
1009 #define MVPP2_RXD_HWF_SYNC BIT(21)
1010 #define MVPP2_RXD_L4_CSUM_OK BIT(22)
1011 #define MVPP2_RXD_IP4_HEADER_ERR BIT(24)
1012 #define MVPP2_RXD_L4_TCP BIT(25)
1013 #define MVPP2_RXD_L4_UDP BIT(26)
1014 #define MVPP2_RXD_L3_IP4 BIT(28)
1015 #define MVPP2_RXD_L3_IP6 BIT(30)
1016 #define MVPP2_RXD_BUF_HDR BIT(31)
1018 /* HW TX descriptor for PPv2.1 */
1019 struct mvpp21_tx_desc {
1020 u32 command; /* Options used by HW for packet transmitting.*/
1021 u8 packet_offset; /* the offset from the buffer beginning */
1022 u8 phys_txq; /* destination queue ID */
1023 u16 data_size; /* data size of transmitted packet in bytes */
1024 u32 buf_dma_addr; /* physical addr of transmitted buffer */
1025 u32 buf_cookie; /* cookie for access to TX buffer in tx path */
1026 u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
1027 u32 reserved2; /* reserved (for future use) */
1030 /* HW RX descriptor for PPv2.1 */
1031 struct mvpp21_rx_desc {
1032 u32 status; /* info about received packet */
1033 u16 reserved1; /* parser_info (for future use, PnC) */
1034 u16 data_size; /* size of received packet in bytes */
1035 u32 buf_dma_addr; /* physical address of the buffer */
1036 u32 buf_cookie; /* cookie for access to RX buffer in rx path */
1037 u16 reserved2; /* gem_port_id (for future use, PON) */
1038 u16 reserved3; /* csum_l4 (for future use, PnC) */
1039 u8 reserved4; /* bm_qset (for future use, BM) */
1041 u16 reserved6; /* classify_info (for future use, PnC) */
1042 u32 reserved7; /* flow_id (for future use, PnC) */
1046 /* HW TX descriptor for PPv2.2 */
1047 struct mvpp22_tx_desc {
1053 u64 buf_dma_addr_ptp;
1054 u64 buf_cookie_misc;
1057 /* HW RX descriptor for PPv2.2 */
1058 struct mvpp22_rx_desc {
1064 u64 buf_dma_addr_key_hash;
1065 u64 buf_cookie_misc;
1068 /* Opaque type used by the driver to manipulate the HW TX and RX
1071 struct mvpp2_tx_desc {
1073 struct mvpp21_tx_desc pp21;
1074 struct mvpp22_tx_desc pp22;
1078 struct mvpp2_rx_desc {
1080 struct mvpp21_rx_desc pp21;
1081 struct mvpp22_rx_desc pp22;
1085 /* Per-CPU Tx queue control */
1086 struct mvpp2_txq_pcpu {
1089 /* Number of Tx DMA descriptors in the descriptor ring */
1092 /* Number of currently used Tx DMA descriptor in the
1097 /* Number of Tx DMA descriptors reserved for each CPU */
1100 /* Index of last TX DMA descriptor that was inserted */
1103 /* Index of the TX DMA descriptor to be cleaned up */
1107 struct mvpp2_tx_queue {
1108 /* Physical number of this Tx queue */
1111 /* Logical number of this Tx queue */
1114 /* Number of Tx DMA descriptors in the descriptor ring */
1117 /* Number of currently used Tx DMA descriptor in the descriptor ring */
1120 /* Per-CPU control of physical Tx queues */
1121 struct mvpp2_txq_pcpu __percpu *pcpu;
1125 /* Virtual address of thex Tx DMA descriptors array */
1126 struct mvpp2_tx_desc *descs;
1128 /* DMA address of the Tx DMA descriptors array */
1129 dma_addr_t descs_dma;
1131 /* Index of the last Tx DMA descriptor */
1134 /* Index of the next Tx DMA descriptor to process */
1135 int next_desc_to_proc;
1138 struct mvpp2_rx_queue {
1139 /* RX queue number, in the range 0-31 for physical RXQs */
1142 /* Num of rx descriptors in the rx descriptor ring */
1148 /* Virtual address of the RX DMA descriptors array */
1149 struct mvpp2_rx_desc *descs;
1151 /* DMA address of the RX DMA descriptors array */
1152 dma_addr_t descs_dma;
1154 /* Index of the last RX DMA descriptor */
1157 /* Index of the next RX DMA descriptor to process */
1158 int next_desc_to_proc;
1160 /* ID of port to which physical RXQ is mapped */
1163 /* Port's logic RXQ number to which physical RXQ is mapped */
1167 union mvpp2_prs_tcam_entry {
1168 u32 word[MVPP2_PRS_TCAM_WORDS];
1169 u8 byte[MVPP2_PRS_TCAM_WORDS * 4];
1172 union mvpp2_prs_sram_entry {
1173 u32 word[MVPP2_PRS_SRAM_WORDS];
1174 u8 byte[MVPP2_PRS_SRAM_WORDS * 4];
1177 struct mvpp2_prs_entry {
1179 union mvpp2_prs_tcam_entry tcam;
1180 union mvpp2_prs_sram_entry sram;
1183 struct mvpp2_prs_shadow {
1190 /* User defined offset */
1198 struct mvpp2_cls_flow_entry {
1200 u32 data[MVPP2_CLS_FLOWS_TBL_DATA_WORDS];
1203 struct mvpp2_cls_lookup_entry {
1209 struct mvpp2_bm_pool {
1210 /* Pool number in the range 0-7 */
1212 enum mvpp2_bm_type type;
1214 /* Buffer Pointers Pool External (BPPE) size */
1216 /* Number of buffers for this pool */
1218 /* Pool buffer size */
1223 /* BPPE virtual base address */
1224 unsigned long *virt_addr;
1225 /* BPPE DMA base address */
1226 dma_addr_t dma_addr;
1228 /* Ports using BM pool */
1232 /* Static declaractions */
1234 /* Number of RXQs used by single port */
1235 static int rxq_number = MVPP2_DEFAULT_RXQ;
1236 /* Number of TXQs used by single port */
1237 static int txq_number = MVPP2_DEFAULT_TXQ;
1241 #define MVPP2_DRIVER_NAME "mvpp2"
1242 #define MVPP2_DRIVER_VERSION "1.0"
1245 * U-Boot internal data, mostly uncached buffers for descriptors and data
1247 struct buffer_location {
1248 struct mvpp2_tx_desc *aggr_tx_descs;
1249 struct mvpp2_tx_desc *tx_descs;
1250 struct mvpp2_rx_desc *rx_descs;
1251 unsigned long *bm_pool[MVPP2_BM_POOLS_NUM];
1252 unsigned long *rx_buffer[MVPP2_BM_LONG_BUF_NUM];
1257 * All 4 interfaces use the same global buffer, since only one interface
1258 * can be enabled at once
1260 static struct buffer_location buffer_loc;
1261 static int buffer_loc_init;
1264 * Page table entries are set to 1MB, or multiples of 1MB
1265 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
1267 #define BD_SPACE (1 << 20)
1269 /* Utility/helper methods */
1271 static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
1273 writel(data, priv->base + offset);
1276 static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
1278 return readl(priv->base + offset);
1281 static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
1282 struct mvpp2_tx_desc *tx_desc,
1283 dma_addr_t dma_addr)
1285 if (port->priv->hw_version == MVPP21) {
1286 tx_desc->pp21.buf_dma_addr = dma_addr;
1288 u64 val = (u64)dma_addr;
1290 tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
1291 tx_desc->pp22.buf_dma_addr_ptp |= val;
1295 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
1296 struct mvpp2_tx_desc *tx_desc,
1299 if (port->priv->hw_version == MVPP21)
1300 tx_desc->pp21.data_size = size;
1302 tx_desc->pp22.data_size = size;
1305 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
1306 struct mvpp2_tx_desc *tx_desc,
1309 if (port->priv->hw_version == MVPP21)
1310 tx_desc->pp21.phys_txq = txq;
1312 tx_desc->pp22.phys_txq = txq;
1315 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
1316 struct mvpp2_tx_desc *tx_desc,
1317 unsigned int command)
1319 if (port->priv->hw_version == MVPP21)
1320 tx_desc->pp21.command = command;
1322 tx_desc->pp22.command = command;
1325 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
1326 struct mvpp2_tx_desc *tx_desc,
1327 unsigned int offset)
1329 if (port->priv->hw_version == MVPP21)
1330 tx_desc->pp21.packet_offset = offset;
1332 tx_desc->pp22.packet_offset = offset;
1335 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
1336 struct mvpp2_rx_desc *rx_desc)
1338 if (port->priv->hw_version == MVPP21)
1339 return rx_desc->pp21.buf_dma_addr;
1341 return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
1344 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
1345 struct mvpp2_rx_desc *rx_desc)
1347 if (port->priv->hw_version == MVPP21)
1348 return rx_desc->pp21.buf_cookie;
1350 return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
1353 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
1354 struct mvpp2_rx_desc *rx_desc)
1356 if (port->priv->hw_version == MVPP21)
1357 return rx_desc->pp21.data_size;
1359 return rx_desc->pp22.data_size;
1362 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
1363 struct mvpp2_rx_desc *rx_desc)
1365 if (port->priv->hw_version == MVPP21)
1366 return rx_desc->pp21.status;
1368 return rx_desc->pp22.status;
1371 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
1373 txq_pcpu->txq_get_index++;
1374 if (txq_pcpu->txq_get_index == txq_pcpu->size)
1375 txq_pcpu->txq_get_index = 0;
1378 /* Get number of physical egress port */
1379 static inline int mvpp2_egress_port(struct mvpp2_port *port)
1381 return MVPP2_MAX_TCONT + port->id;
1384 /* Get number of physical TXQ */
1385 static inline int mvpp2_txq_phys(int port, int txq)
1387 return (MVPP2_MAX_TCONT + port) * MVPP2_MAX_TXQ + txq;
1390 /* Parser configuration routines */
1392 /* Update parser tcam and sram hw entries */
1393 static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1397 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1400 /* Clear entry invalidation bit */
1401 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
1403 /* Write tcam index - indirect access */
1404 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1405 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1406 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam.word[i]);
1408 /* Write sram index - indirect access */
1409 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1410 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1411 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram.word[i]);
1416 /* Read tcam entry from hw */
1417 static int mvpp2_prs_hw_read(struct mvpp2 *priv, struct mvpp2_prs_entry *pe)
1421 if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1)
1424 /* Write tcam index - indirect access */
1425 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
1427 pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] = mvpp2_read(priv,
1428 MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD));
1429 if (pe->tcam.word[MVPP2_PRS_TCAM_INV_WORD] & MVPP2_PRS_TCAM_INV_MASK)
1430 return MVPP2_PRS_TCAM_ENTRY_INVALID;
1432 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
1433 pe->tcam.word[i] = mvpp2_read(priv, MVPP2_PRS_TCAM_DATA_REG(i));
1435 /* Write sram index - indirect access */
1436 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
1437 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
1438 pe->sram.word[i] = mvpp2_read(priv, MVPP2_PRS_SRAM_DATA_REG(i));
1443 /* Invalidate tcam hw entry */
1444 static void mvpp2_prs_hw_inv(struct mvpp2 *priv, int index)
1446 /* Write index - indirect access */
1447 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
1448 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(MVPP2_PRS_TCAM_INV_WORD),
1449 MVPP2_PRS_TCAM_INV_MASK);
1452 /* Enable shadow table entry and set its lookup ID */
1453 static void mvpp2_prs_shadow_set(struct mvpp2 *priv, int index, int lu)
1455 priv->prs_shadow[index].valid = true;
1456 priv->prs_shadow[index].lu = lu;
1459 /* Update ri fields in shadow table entry */
1460 static void mvpp2_prs_shadow_ri_set(struct mvpp2 *priv, int index,
1461 unsigned int ri, unsigned int ri_mask)
1463 priv->prs_shadow[index].ri_mask = ri_mask;
1464 priv->prs_shadow[index].ri = ri;
1467 /* Update lookup field in tcam sw entry */
1468 static void mvpp2_prs_tcam_lu_set(struct mvpp2_prs_entry *pe, unsigned int lu)
1470 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_LU_BYTE);
1472 pe->tcam.byte[MVPP2_PRS_TCAM_LU_BYTE] = lu;
1473 pe->tcam.byte[enable_off] = MVPP2_PRS_LU_MASK;
1476 /* Update mask for single port in tcam sw entry */
1477 static void mvpp2_prs_tcam_port_set(struct mvpp2_prs_entry *pe,
1478 unsigned int port, bool add)
1480 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1483 pe->tcam.byte[enable_off] &= ~(1 << port);
1485 pe->tcam.byte[enable_off] |= 1 << port;
1488 /* Update port map in tcam sw entry */
1489 static void mvpp2_prs_tcam_port_map_set(struct mvpp2_prs_entry *pe,
1492 unsigned char port_mask = MVPP2_PRS_PORT_MASK;
1493 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1495 pe->tcam.byte[MVPP2_PRS_TCAM_PORT_BYTE] = 0;
1496 pe->tcam.byte[enable_off] &= ~port_mask;
1497 pe->tcam.byte[enable_off] |= ~ports & MVPP2_PRS_PORT_MASK;
1500 /* Obtain port map from tcam sw entry */
1501 static unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe)
1503 int enable_off = MVPP2_PRS_TCAM_EN_OFFS(MVPP2_PRS_TCAM_PORT_BYTE);
1505 return ~(pe->tcam.byte[enable_off]) & MVPP2_PRS_PORT_MASK;
1508 /* Set byte of data and its enable bits in tcam sw entry */
1509 static void mvpp2_prs_tcam_data_byte_set(struct mvpp2_prs_entry *pe,
1510 unsigned int offs, unsigned char byte,
1511 unsigned char enable)
1513 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)] = byte;
1514 pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)] = enable;
1517 /* Get byte of data and its enable bits from tcam sw entry */
1518 static void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
1519 unsigned int offs, unsigned char *byte,
1520 unsigned char *enable)
1522 *byte = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(offs)];
1523 *enable = pe->tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(offs)];
1526 /* Set ethertype in tcam sw entry */
1527 static void mvpp2_prs_match_etype(struct mvpp2_prs_entry *pe, int offset,
1528 unsigned short ethertype)
1530 mvpp2_prs_tcam_data_byte_set(pe, offset + 0, ethertype >> 8, 0xff);
1531 mvpp2_prs_tcam_data_byte_set(pe, offset + 1, ethertype & 0xff, 0xff);
1534 /* Set bits in sram sw entry */
1535 static void mvpp2_prs_sram_bits_set(struct mvpp2_prs_entry *pe, int bit_num,
1538 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] |= (val << (bit_num % 8));
1541 /* Clear bits in sram sw entry */
1542 static void mvpp2_prs_sram_bits_clear(struct mvpp2_prs_entry *pe, int bit_num,
1545 pe->sram.byte[MVPP2_BIT_TO_BYTE(bit_num)] &= ~(val << (bit_num % 8));
1548 /* Update ri bits in sram sw entry */
1549 static void mvpp2_prs_sram_ri_update(struct mvpp2_prs_entry *pe,
1550 unsigned int bits, unsigned int mask)
1554 for (i = 0; i < MVPP2_PRS_SRAM_RI_CTRL_BITS; i++) {
1555 int ri_off = MVPP2_PRS_SRAM_RI_OFFS;
1557 if (!(mask & BIT(i)))
1561 mvpp2_prs_sram_bits_set(pe, ri_off + i, 1);
1563 mvpp2_prs_sram_bits_clear(pe, ri_off + i, 1);
1565 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_RI_CTRL_OFFS + i, 1);
1569 /* Update ai bits in sram sw entry */
1570 static void mvpp2_prs_sram_ai_update(struct mvpp2_prs_entry *pe,
1571 unsigned int bits, unsigned int mask)
1574 int ai_off = MVPP2_PRS_SRAM_AI_OFFS;
1576 for (i = 0; i < MVPP2_PRS_SRAM_AI_CTRL_BITS; i++) {
1578 if (!(mask & BIT(i)))
1582 mvpp2_prs_sram_bits_set(pe, ai_off + i, 1);
1584 mvpp2_prs_sram_bits_clear(pe, ai_off + i, 1);
1586 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_AI_CTRL_OFFS + i, 1);
1590 /* Read ai bits from sram sw entry */
1591 static int mvpp2_prs_sram_ai_get(struct mvpp2_prs_entry *pe)
1594 int ai_off = MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_AI_OFFS);
1595 int ai_en_off = ai_off + 1;
1596 int ai_shift = MVPP2_PRS_SRAM_AI_OFFS % 8;
1598 bits = (pe->sram.byte[ai_off] >> ai_shift) |
1599 (pe->sram.byte[ai_en_off] << (8 - ai_shift));
1604 /* In sram sw entry set lookup ID field of the tcam key to be used in the next
1607 static void mvpp2_prs_sram_next_lu_set(struct mvpp2_prs_entry *pe,
1610 int sram_next_off = MVPP2_PRS_SRAM_NEXT_LU_OFFS;
1612 mvpp2_prs_sram_bits_clear(pe, sram_next_off,
1613 MVPP2_PRS_SRAM_NEXT_LU_MASK);
1614 mvpp2_prs_sram_bits_set(pe, sram_next_off, lu);
1617 /* In the sram sw entry set sign and value of the next lookup offset
1618 * and the offset value generated to the classifier
1620 static void mvpp2_prs_sram_shift_set(struct mvpp2_prs_entry *pe, int shift,
1625 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1628 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_SHIFT_SIGN_BIT, 1);
1632 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_SHIFT_OFFS)] =
1633 (unsigned char)shift;
1635 /* Reset and set operation */
1636 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS,
1637 MVPP2_PRS_SRAM_OP_SEL_SHIFT_MASK);
1638 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_SHIFT_OFFS, op);
1640 /* Set base offset as current */
1641 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1644 /* In the sram sw entry set sign and value of the user defined offset
1645 * generated to the classifier
1647 static void mvpp2_prs_sram_offset_set(struct mvpp2_prs_entry *pe,
1648 unsigned int type, int offset,
1653 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1654 offset = 0 - offset;
1656 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_SIGN_BIT, 1);
1660 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_OFFS,
1661 MVPP2_PRS_SRAM_UDF_MASK);
1662 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_OFFS, offset);
1663 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1664 MVPP2_PRS_SRAM_UDF_BITS)] &=
1665 ~(MVPP2_PRS_SRAM_UDF_MASK >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1666 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_UDF_OFFS +
1667 MVPP2_PRS_SRAM_UDF_BITS)] |=
1668 (offset >> (8 - (MVPP2_PRS_SRAM_UDF_OFFS % 8)));
1670 /* Set offset type */
1671 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS,
1672 MVPP2_PRS_SRAM_UDF_TYPE_MASK);
1673 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_UDF_TYPE_OFFS, type);
1675 /* Set offset operation */
1676 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS,
1677 MVPP2_PRS_SRAM_OP_SEL_UDF_MASK);
1678 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS, op);
1680 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1681 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] &=
1682 ~(MVPP2_PRS_SRAM_OP_SEL_UDF_MASK >>
1683 (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1685 pe->sram.byte[MVPP2_BIT_TO_BYTE(MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS +
1686 MVPP2_PRS_SRAM_OP_SEL_UDF_BITS)] |=
1687 (op >> (8 - (MVPP2_PRS_SRAM_OP_SEL_UDF_OFFS % 8)));
1689 /* Set base offset as current */
1690 mvpp2_prs_sram_bits_clear(pe, MVPP2_PRS_SRAM_OP_SEL_BASE_OFFS, 1);
1693 /* Find parser flow entry */
1694 static struct mvpp2_prs_entry *mvpp2_prs_flow_find(struct mvpp2 *priv, int flow)
1696 struct mvpp2_prs_entry *pe;
1699 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
1702 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
1704 /* Go through the all entires with MVPP2_PRS_LU_FLOWS */
1705 for (tid = MVPP2_PRS_TCAM_SRAM_SIZE - 1; tid >= 0; tid--) {
1708 if (!priv->prs_shadow[tid].valid ||
1709 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_FLOWS)
1713 mvpp2_prs_hw_read(priv, pe);
1714 bits = mvpp2_prs_sram_ai_get(pe);
1716 /* Sram store classification lookup ID in AI bits [5:0] */
1717 if ((bits & MVPP2_PRS_FLOW_ID_MASK) == flow)
1725 /* Return first free tcam index, seeking from start to end */
1726 static int mvpp2_prs_tcam_first_free(struct mvpp2 *priv, unsigned char start,
1734 if (end >= MVPP2_PRS_TCAM_SRAM_SIZE)
1735 end = MVPP2_PRS_TCAM_SRAM_SIZE - 1;
1737 for (tid = start; tid <= end; tid++) {
1738 if (!priv->prs_shadow[tid].valid)
1745 /* Enable/disable dropping all mac da's */
1746 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
1748 struct mvpp2_prs_entry pe;
1750 if (priv->prs_shadow[MVPP2_PE_DROP_ALL].valid) {
1751 /* Entry exist - update port only */
1752 pe.index = MVPP2_PE_DROP_ALL;
1753 mvpp2_prs_hw_read(priv, &pe);
1755 /* Entry doesn't exist - create new */
1756 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1757 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1758 pe.index = MVPP2_PE_DROP_ALL;
1760 /* Non-promiscuous mode for all ports - DROP unknown packets */
1761 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1762 MVPP2_PRS_RI_DROP_MASK);
1764 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1765 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1767 /* Update shadow table */
1768 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1770 /* Mask all ports */
1771 mvpp2_prs_tcam_port_map_set(&pe, 0);
1774 /* Update port mask */
1775 mvpp2_prs_tcam_port_set(&pe, port, add);
1777 mvpp2_prs_hw_write(priv, &pe);
1780 /* Set port to promiscuous mode */
1781 static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
1783 struct mvpp2_prs_entry pe;
1785 /* Promiscuous mode - Accept unknown packets */
1787 if (priv->prs_shadow[MVPP2_PE_MAC_PROMISCUOUS].valid) {
1788 /* Entry exist - update port only */
1789 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1790 mvpp2_prs_hw_read(priv, &pe);
1792 /* Entry doesn't exist - create new */
1793 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1794 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1795 pe.index = MVPP2_PE_MAC_PROMISCUOUS;
1797 /* Continue - set next lookup */
1798 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1800 /* Set result info bits */
1801 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_UCAST,
1802 MVPP2_PRS_RI_L2_CAST_MASK);
1804 /* Shift to ethertype */
1805 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1806 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1808 /* Mask all ports */
1809 mvpp2_prs_tcam_port_map_set(&pe, 0);
1811 /* Update shadow table */
1812 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1815 /* Update port mask */
1816 mvpp2_prs_tcam_port_set(&pe, port, add);
1818 mvpp2_prs_hw_write(priv, &pe);
1821 /* Accept multicast */
1822 static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
1825 struct mvpp2_prs_entry pe;
1826 unsigned char da_mc;
1828 /* Ethernet multicast address first byte is
1829 * 0x01 for IPv4 and 0x33 for IPv6
1831 da_mc = (index == MVPP2_PE_MAC_MC_ALL) ? 0x01 : 0x33;
1833 if (priv->prs_shadow[index].valid) {
1834 /* Entry exist - update port only */
1836 mvpp2_prs_hw_read(priv, &pe);
1838 /* Entry doesn't exist - create new */
1839 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1840 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1843 /* Continue - set next lookup */
1844 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_DSA);
1846 /* Set result info bits */
1847 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L2_MCAST,
1848 MVPP2_PRS_RI_L2_CAST_MASK);
1850 /* Update tcam entry data first byte */
1851 mvpp2_prs_tcam_data_byte_set(&pe, 0, da_mc, 0xff);
1853 /* Shift to ethertype */
1854 mvpp2_prs_sram_shift_set(&pe, 2 * ETH_ALEN,
1855 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1857 /* Mask all ports */
1858 mvpp2_prs_tcam_port_map_set(&pe, 0);
1860 /* Update shadow table */
1861 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1864 /* Update port mask */
1865 mvpp2_prs_tcam_port_set(&pe, port, add);
1867 mvpp2_prs_hw_write(priv, &pe);
1870 /* Parser per-port initialization */
1871 static void mvpp2_prs_hw_port_init(struct mvpp2 *priv, int port, int lu_first,
1872 int lu_max, int offset)
1877 val = mvpp2_read(priv, MVPP2_PRS_INIT_LOOKUP_REG);
1878 val &= ~MVPP2_PRS_PORT_LU_MASK(port);
1879 val |= MVPP2_PRS_PORT_LU_VAL(port, lu_first);
1880 mvpp2_write(priv, MVPP2_PRS_INIT_LOOKUP_REG, val);
1882 /* Set maximum number of loops for packet received from port */
1883 val = mvpp2_read(priv, MVPP2_PRS_MAX_LOOP_REG(port));
1884 val &= ~MVPP2_PRS_MAX_LOOP_MASK(port);
1885 val |= MVPP2_PRS_MAX_LOOP_VAL(port, lu_max);
1886 mvpp2_write(priv, MVPP2_PRS_MAX_LOOP_REG(port), val);
1888 /* Set initial offset for packet header extraction for the first
1891 val = mvpp2_read(priv, MVPP2_PRS_INIT_OFFS_REG(port));
1892 val &= ~MVPP2_PRS_INIT_OFF_MASK(port);
1893 val |= MVPP2_PRS_INIT_OFF_VAL(port, offset);
1894 mvpp2_write(priv, MVPP2_PRS_INIT_OFFS_REG(port), val);
1897 /* Default flow entries initialization for all ports */
1898 static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
1900 struct mvpp2_prs_entry pe;
1903 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
1904 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1905 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1906 pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
1908 /* Mask all ports */
1909 mvpp2_prs_tcam_port_map_set(&pe, 0);
1912 mvpp2_prs_sram_ai_update(&pe, port, MVPP2_PRS_FLOW_ID_MASK);
1913 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
1915 /* Update shadow table and hw entry */
1916 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_FLOWS);
1917 mvpp2_prs_hw_write(priv, &pe);
1921 /* Set default entry for Marvell Header field */
1922 static void mvpp2_prs_mh_init(struct mvpp2 *priv)
1924 struct mvpp2_prs_entry pe;
1926 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1928 pe.index = MVPP2_PE_MH_DEFAULT;
1929 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
1930 mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE,
1931 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1932 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_MAC);
1934 /* Unmask all ports */
1935 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1937 /* Update shadow table and hw entry */
1938 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH);
1939 mvpp2_prs_hw_write(priv, &pe);
1942 /* Set default entires (place holder) for promiscuous, non-promiscuous and
1943 * multicast MAC addresses
1945 static void mvpp2_prs_mac_init(struct mvpp2 *priv)
1947 struct mvpp2_prs_entry pe;
1949 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1951 /* Non-promiscuous mode for all ports - DROP unknown packets */
1952 pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
1953 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
1955 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
1956 MVPP2_PRS_RI_DROP_MASK);
1957 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
1958 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
1960 /* Unmask all ports */
1961 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
1963 /* Update shadow table and hw entry */
1964 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
1965 mvpp2_prs_hw_write(priv, &pe);
1967 /* place holders only - no ports */
1968 mvpp2_prs_mac_drop_all_set(priv, 0, false);
1969 mvpp2_prs_mac_promisc_set(priv, 0, false);
1970 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false);
1971 mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false);
1974 /* Match basic ethertypes */
1975 static int mvpp2_prs_etype_init(struct mvpp2 *priv)
1977 struct mvpp2_prs_entry pe;
1980 /* Ethertype: PPPoE */
1981 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
1982 MVPP2_PE_LAST_FREE_TID);
1986 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
1987 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
1990 mvpp2_prs_match_etype(&pe, 0, PROT_PPP_SES);
1992 mvpp2_prs_sram_shift_set(&pe, MVPP2_PPPOE_HDR_SIZE,
1993 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
1994 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
1995 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_PPPOE_MASK,
1996 MVPP2_PRS_RI_PPPOE_MASK);
1998 /* Update shadow table and hw entry */
1999 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2000 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2001 priv->prs_shadow[pe.index].finish = false;
2002 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_PPPOE_MASK,
2003 MVPP2_PRS_RI_PPPOE_MASK);
2004 mvpp2_prs_hw_write(priv, &pe);
2006 /* Ethertype: ARP */
2007 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2008 MVPP2_PE_LAST_FREE_TID);
2012 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2013 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2016 mvpp2_prs_match_etype(&pe, 0, PROT_ARP);
2018 /* Generate flow in the next iteration*/
2019 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2020 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2021 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_ARP,
2022 MVPP2_PRS_RI_L3_PROTO_MASK);
2024 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2026 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2028 /* Update shadow table and hw entry */
2029 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2030 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2031 priv->prs_shadow[pe.index].finish = true;
2032 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_ARP,
2033 MVPP2_PRS_RI_L3_PROTO_MASK);
2034 mvpp2_prs_hw_write(priv, &pe);
2036 /* Ethertype: LBTD */
2037 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2038 MVPP2_PE_LAST_FREE_TID);
2042 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2043 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2046 mvpp2_prs_match_etype(&pe, 0, MVPP2_IP_LBDT_TYPE);
2048 /* Generate flow in the next iteration*/
2049 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2050 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2051 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2052 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2053 MVPP2_PRS_RI_CPU_CODE_MASK |
2054 MVPP2_PRS_RI_UDF3_MASK);
2056 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2058 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2060 /* Update shadow table and hw entry */
2061 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2062 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2063 priv->prs_shadow[pe.index].finish = true;
2064 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_CPU_CODE_RX_SPEC |
2065 MVPP2_PRS_RI_UDF3_RX_SPECIAL,
2066 MVPP2_PRS_RI_CPU_CODE_MASK |
2067 MVPP2_PRS_RI_UDF3_MASK);
2068 mvpp2_prs_hw_write(priv, &pe);
2070 /* Ethertype: IPv4 without options */
2071 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2072 MVPP2_PE_LAST_FREE_TID);
2076 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2077 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2080 mvpp2_prs_match_etype(&pe, 0, PROT_IP);
2081 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2082 MVPP2_PRS_IPV4_HEAD | MVPP2_PRS_IPV4_IHL,
2083 MVPP2_PRS_IPV4_HEAD_MASK |
2084 MVPP2_PRS_IPV4_IHL_MASK);
2086 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4);
2087 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4,
2088 MVPP2_PRS_RI_L3_PROTO_MASK);
2089 /* Skip eth_type + 4 bytes of IP header */
2090 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
2091 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2093 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2095 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2097 /* Update shadow table and hw entry */
2098 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2099 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2100 priv->prs_shadow[pe.index].finish = false;
2101 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4,
2102 MVPP2_PRS_RI_L3_PROTO_MASK);
2103 mvpp2_prs_hw_write(priv, &pe);
2105 /* Ethertype: IPv4 with options */
2106 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2107 MVPP2_PE_LAST_FREE_TID);
2113 /* Clear tcam data before updating */
2114 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE(MVPP2_ETH_TYPE_LEN)] = 0x0;
2115 pe.tcam.byte[MVPP2_PRS_TCAM_DATA_BYTE_EN(MVPP2_ETH_TYPE_LEN)] = 0x0;
2117 mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN,
2118 MVPP2_PRS_IPV4_HEAD,
2119 MVPP2_PRS_IPV4_HEAD_MASK);
2121 /* Clear ri before updating */
2122 pe.sram.word[MVPP2_PRS_SRAM_RI_WORD] = 0x0;
2123 pe.sram.word[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0;
2124 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT,
2125 MVPP2_PRS_RI_L3_PROTO_MASK);
2127 /* Update shadow table and hw entry */
2128 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2129 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2130 priv->prs_shadow[pe.index].finish = false;
2131 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP4_OPT,
2132 MVPP2_PRS_RI_L3_PROTO_MASK);
2133 mvpp2_prs_hw_write(priv, &pe);
2135 /* Ethertype: IPv6 without options */
2136 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2137 MVPP2_PE_LAST_FREE_TID);
2141 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2142 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2145 mvpp2_prs_match_etype(&pe, 0, PROT_IPV6);
2147 /* Skip DIP of IPV6 header */
2148 mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
2149 MVPP2_MAX_L3_ADDR_SIZE,
2150 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2151 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
2152 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
2153 MVPP2_PRS_RI_L3_PROTO_MASK);
2155 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2157 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2159 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2160 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2161 priv->prs_shadow[pe.index].finish = false;
2162 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_IP6,
2163 MVPP2_PRS_RI_L3_PROTO_MASK);
2164 mvpp2_prs_hw_write(priv, &pe);
2166 /* Default entry for MVPP2_PRS_LU_L2 - Unknown ethtype */
2167 memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
2168 mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
2169 pe.index = MVPP2_PE_ETH_TYPE_UN;
2171 /* Unmask all ports */
2172 mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
2174 /* Generate flow in the next iteration*/
2175 mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
2176 mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
2177 mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_UN,
2178 MVPP2_PRS_RI_L3_PROTO_MASK);
2179 /* Set L3 offset even it's unknown L3 */
2180 mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,
2182 MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);
2184 /* Update shadow table and hw entry */
2185 mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_L2);
2186 priv->prs_shadow[pe.index].udf = MVPP2_PRS_UDF_L2_DEF;
2187 priv->prs_shadow[pe.index].finish = true;
2188 mvpp2_prs_shadow_ri_set(priv, pe.index, MVPP2_PRS_RI_L3_UN,
2189 MVPP2_PRS_RI_L3_PROTO_MASK);
2190 mvpp2_prs_hw_write(priv, &pe);
2195 /* Parser default initialization */
2196 static int mvpp2_prs_default_init(struct udevice *dev,
2201 /* Enable tcam table */
2202 mvpp2_write(priv, MVPP2_PRS_TCAM_CTRL_REG, MVPP2_PRS_TCAM_EN_MASK);
2204 /* Clear all tcam and sram entries */
2205 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++) {
2206 mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, index);
2207 for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
2208 mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), 0);
2210 mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, index);
2211 for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
2212 mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), 0);
2215 /* Invalidate all tcam entries */
2216 for (index = 0; index < MVPP2_PRS_TCAM_SRAM_SIZE; index++)
2217 mvpp2_prs_hw_inv(priv, index);
2219 priv->prs_shadow = devm_kcalloc(dev, MVPP2_PRS_TCAM_SRAM_SIZE,
2220 sizeof(struct mvpp2_prs_shadow),
2222 if (!priv->prs_shadow)
2225 /* Always start from lookup = 0 */
2226 for (index = 0; index < MVPP2_MAX_PORTS; index++)
2227 mvpp2_prs_hw_port_init(priv, index, MVPP2_PRS_LU_MH,
2228 MVPP2_PRS_PORT_LU_MAX, 0);
2230 mvpp2_prs_def_flow_init(priv);
2232 mvpp2_prs_mh_init(priv);
2234 mvpp2_prs_mac_init(priv);
2236 err = mvpp2_prs_etype_init(priv);
2243 /* Compare MAC DA with tcam entry data */
2244 static bool mvpp2_prs_mac_range_equals(struct mvpp2_prs_entry *pe,
2245 const u8 *da, unsigned char *mask)
2247 unsigned char tcam_byte, tcam_mask;
2250 for (index = 0; index < ETH_ALEN; index++) {
2251 mvpp2_prs_tcam_data_byte_get(pe, index, &tcam_byte, &tcam_mask);
2252 if (tcam_mask != mask[index])
2255 if ((tcam_mask & tcam_byte) != (da[index] & mask[index]))
2262 /* Find tcam entry with matched pair <MAC DA, port> */
2263 static struct mvpp2_prs_entry *
2264 mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
2265 unsigned char *mask, int udf_type)
2267 struct mvpp2_prs_entry *pe;
2270 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2273 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2275 /* Go through the all entires with MVPP2_PRS_LU_MAC */
2276 for (tid = MVPP2_PE_FIRST_FREE_TID;
2277 tid <= MVPP2_PE_LAST_FREE_TID; tid++) {
2278 unsigned int entry_pmap;
2280 if (!priv->prs_shadow[tid].valid ||
2281 (priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC) ||
2282 (priv->prs_shadow[tid].udf != udf_type))
2286 mvpp2_prs_hw_read(priv, pe);
2287 entry_pmap = mvpp2_prs_tcam_port_map_get(pe);
2289 if (mvpp2_prs_mac_range_equals(pe, da, mask) &&
2298 /* Update parser's mac da entry */
2299 static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
2300 const u8 *da, bool add)
2302 struct mvpp2_prs_entry *pe;
2303 unsigned int pmap, len, ri;
2304 unsigned char mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2307 /* Scan TCAM and see if entry with this <MAC DA, port> already exist */
2308 pe = mvpp2_prs_mac_da_range_find(priv, (1 << port), da, mask,
2309 MVPP2_PRS_UDF_MAC_DEF);
2316 /* Create new TCAM entry */
2317 /* Find first range mac entry*/
2318 for (tid = MVPP2_PE_FIRST_FREE_TID;
2319 tid <= MVPP2_PE_LAST_FREE_TID; tid++)
2320 if (priv->prs_shadow[tid].valid &&
2321 (priv->prs_shadow[tid].lu == MVPP2_PRS_LU_MAC) &&
2322 (priv->prs_shadow[tid].udf ==
2323 MVPP2_PRS_UDF_MAC_RANGE))
2326 /* Go through the all entries from first to last */
2327 tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID,
2332 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2335 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
2338 /* Mask all ports */
2339 mvpp2_prs_tcam_port_map_set(pe, 0);
2342 /* Update port mask */
2343 mvpp2_prs_tcam_port_set(pe, port, add);
2345 /* Invalidate the entry if no ports are left enabled */
2346 pmap = mvpp2_prs_tcam_port_map_get(pe);
2352 mvpp2_prs_hw_inv(priv, pe->index);
2353 priv->prs_shadow[pe->index].valid = false;
2358 /* Continue - set next lookup */
2359 mvpp2_prs_sram_next_lu_set(pe, MVPP2_PRS_LU_DSA);
2361 /* Set match on DA */
2364 mvpp2_prs_tcam_data_byte_set(pe, len, da[len], 0xff);
2366 /* Set result info bits */
2367 ri = MVPP2_PRS_RI_L2_UCAST | MVPP2_PRS_RI_MAC_ME_MASK;
2369 mvpp2_prs_sram_ri_update(pe, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2370 MVPP2_PRS_RI_MAC_ME_MASK);
2371 mvpp2_prs_shadow_ri_set(priv, pe->index, ri, MVPP2_PRS_RI_L2_CAST_MASK |
2372 MVPP2_PRS_RI_MAC_ME_MASK);
2374 /* Shift to ethertype */
2375 mvpp2_prs_sram_shift_set(pe, 2 * ETH_ALEN,
2376 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
2378 /* Update shadow table and hw entry */
2379 priv->prs_shadow[pe->index].udf = MVPP2_PRS_UDF_MAC_DEF;
2380 mvpp2_prs_shadow_set(priv, pe->index, MVPP2_PRS_LU_MAC);
2381 mvpp2_prs_hw_write(priv, pe);
2388 static int mvpp2_prs_update_mac_da(struct mvpp2_port *port, const u8 *da)
2392 /* Remove old parser entry */
2393 err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr,
2398 /* Add new parser entry */
2399 err = mvpp2_prs_mac_da_accept(port->priv, port->id, da, true);
2403 /* Set addr in the device */
2404 memcpy(port->dev_addr, da, ETH_ALEN);
2409 /* Set prs flow for the port */
2410 static int mvpp2_prs_def_flow(struct mvpp2_port *port)
2412 struct mvpp2_prs_entry *pe;
2415 pe = mvpp2_prs_flow_find(port->priv, port->id);
2417 /* Such entry not exist */
2419 /* Go through the all entires from last to first */
2420 tid = mvpp2_prs_tcam_first_free(port->priv,
2421 MVPP2_PE_LAST_FREE_TID,
2422 MVPP2_PE_FIRST_FREE_TID);
2426 pe = kzalloc(sizeof(*pe), GFP_KERNEL);
2430 mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_FLOWS);
2434 mvpp2_prs_sram_ai_update(pe, port->id, MVPP2_PRS_FLOW_ID_MASK);
2435 mvpp2_prs_sram_bits_set(pe, MVPP2_PRS_SRAM_LU_DONE_BIT, 1);
2437 /* Update shadow table */
2438 mvpp2_prs_shadow_set(port->priv, pe->index, MVPP2_PRS_LU_FLOWS);
2441 mvpp2_prs_tcam_port_map_set(pe, (1 << port->id));
2442 mvpp2_prs_hw_write(port->priv, pe);
2448 /* Classifier configuration routines */
2450 /* Update classification flow table registers */
2451 static void mvpp2_cls_flow_write(struct mvpp2 *priv,
2452 struct mvpp2_cls_flow_entry *fe)
2454 mvpp2_write(priv, MVPP2_CLS_FLOW_INDEX_REG, fe->index);
2455 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL0_REG, fe->data[0]);
2456 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL1_REG, fe->data[1]);
2457 mvpp2_write(priv, MVPP2_CLS_FLOW_TBL2_REG, fe->data[2]);
2460 /* Update classification lookup table register */
2461 static void mvpp2_cls_lookup_write(struct mvpp2 *priv,
2462 struct mvpp2_cls_lookup_entry *le)
2466 val = (le->way << MVPP2_CLS_LKP_INDEX_WAY_OFFS) | le->lkpid;
2467 mvpp2_write(priv, MVPP2_CLS_LKP_INDEX_REG, val);
2468 mvpp2_write(priv, MVPP2_CLS_LKP_TBL_REG, le->data);
2471 /* Classifier default initialization */
2472 static void mvpp2_cls_init(struct mvpp2 *priv)
2474 struct mvpp2_cls_lookup_entry le;
2475 struct mvpp2_cls_flow_entry fe;
2478 /* Enable classifier */
2479 mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
2481 /* Clear classifier flow table */
2482 memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
2483 for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
2485 mvpp2_cls_flow_write(priv, &fe);
2488 /* Clear classifier lookup table */
2490 for (index = 0; index < MVPP2_CLS_LKP_TBL_SIZE; index++) {
2493 mvpp2_cls_lookup_write(priv, &le);
2496 mvpp2_cls_lookup_write(priv, &le);
2500 static void mvpp2_cls_port_config(struct mvpp2_port *port)
2502 struct mvpp2_cls_lookup_entry le;
2505 /* Set way for the port */
2506 val = mvpp2_read(port->priv, MVPP2_CLS_PORT_WAY_REG);
2507 val &= ~MVPP2_CLS_PORT_WAY_MASK(port->id);
2508 mvpp2_write(port->priv, MVPP2_CLS_PORT_WAY_REG, val);
2510 /* Pick the entry to be accessed in lookup ID decoding table
2511 * according to the way and lkpid.
2513 le.lkpid = port->id;
2517 /* Set initial CPU queue for receiving packets */
2518 le.data &= ~MVPP2_CLS_LKP_TBL_RXQ_MASK;
2519 le.data |= port->first_rxq;
2521 /* Disable classification engines */
2522 le.data &= ~MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK;
2524 /* Update lookup ID table entry */
2525 mvpp2_cls_lookup_write(port->priv, &le);
2528 /* Set CPU queue number for oversize packets */
2529 static void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
2533 mvpp2_write(port->priv, MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port->id),
2534 port->first_rxq & MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK);
2536 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_P2HQ_REG(port->id),
2537 (port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
2539 val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
2540 val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
2541 mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
2544 /* Buffer Manager configuration routines */
2547 static int mvpp2_bm_pool_create(struct udevice *dev,
2549 struct mvpp2_bm_pool *bm_pool, int size)
2553 /* Number of buffer pointers must be a multiple of 16, as per
2554 * hardware constraints
2556 if (!IS_ALIGNED(size, 16))
2559 bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
2560 bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
2561 if (!bm_pool->virt_addr)
2564 if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
2565 MVPP2_BM_POOL_PTR_ALIGN)) {
2566 dev_err(dev, "BM pool %d is not %d bytes aligned\n",
2567 bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
2571 mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
2572 lower_32_bits(bm_pool->dma_addr));
2573 if (priv->hw_version == MVPP22)
2574 mvpp2_write(priv, MVPP22_BM_POOL_BASE_HIGH_REG,
2575 (upper_32_bits(bm_pool->dma_addr) &
2576 MVPP22_BM_POOL_BASE_HIGH_MASK));
2577 mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
2579 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2580 val |= MVPP2_BM_START_MASK;
2581 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2583 bm_pool->type = MVPP2_BM_FREE;
2584 bm_pool->size = size;
2585 bm_pool->pkt_size = 0;
2586 bm_pool->buf_num = 0;
2591 /* Set pool buffer size */
2592 static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
2593 struct mvpp2_bm_pool *bm_pool,
2598 bm_pool->buf_size = buf_size;
2600 val = ALIGN(buf_size, 1 << MVPP2_POOL_BUF_SIZE_OFFSET);
2601 mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
2604 /* Free all buffers from the pool */
2605 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
2606 struct mvpp2_bm_pool *bm_pool)
2610 for (i = 0; i < bm_pool->buf_num; i++) {
2611 /* Allocate buffer back from the buffer manager */
2612 mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
2615 bm_pool->buf_num = 0;
2619 static int mvpp2_bm_pool_destroy(struct udevice *dev,
2621 struct mvpp2_bm_pool *bm_pool)
2625 mvpp2_bm_bufs_free(dev, priv, bm_pool);
2626 if (bm_pool->buf_num) {
2627 dev_err(dev, "cannot free all buffers in pool %d\n", bm_pool->id);
2631 val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
2632 val |= MVPP2_BM_STOP_MASK;
2633 mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
2638 static int mvpp2_bm_pools_init(struct udevice *dev,
2642 struct mvpp2_bm_pool *bm_pool;
2644 /* Create all pools with maximum size */
2645 size = MVPP2_BM_POOL_SIZE_MAX;
2646 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2647 bm_pool = &priv->bm_pools[i];
2649 err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
2651 goto err_unroll_pools;
2652 mvpp2_bm_pool_bufsize_set(priv, bm_pool, RX_BUFFER_SIZE);
2657 dev_err(dev, "failed to create BM pool %d, size %d\n", i, size);
2658 for (i = i - 1; i >= 0; i--)
2659 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
2663 static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
2667 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
2668 /* Mask BM all interrupts */
2669 mvpp2_write(priv, MVPP2_BM_INTR_MASK_REG(i), 0);
2670 /* Clear BM cause register */
2671 mvpp2_write(priv, MVPP2_BM_INTR_CAUSE_REG(i), 0);
2674 /* Allocate and initialize BM pools */
2675 priv->bm_pools = devm_kcalloc(dev, MVPP2_BM_POOLS_NUM,
2676 sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
2677 if (!priv->bm_pools)
2680 err = mvpp2_bm_pools_init(dev, priv);
2686 /* Attach long pool to rxq */
2687 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
2688 int lrxq, int long_pool)
2693 /* Get queue physical ID */
2694 prxq = port->rxqs[lrxq]->id;
2696 if (port->priv->hw_version == MVPP21)
2697 mask = MVPP21_RXQ_POOL_LONG_MASK;
2699 mask = MVPP22_RXQ_POOL_LONG_MASK;
2701 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
2703 val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
2704 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
2707 /* Set pool number in a BM cookie */
2708 static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
2712 bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
2713 bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
2718 /* Get pool number from a BM cookie */
2719 static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
2721 return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF;
2724 /* Release buffer to BM */
2725 static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
2726 dma_addr_t buf_dma_addr,
2727 unsigned long buf_phys_addr)
2729 if (port->priv->hw_version == MVPP22) {
2732 if (sizeof(dma_addr_t) == 8)
2733 val |= upper_32_bits(buf_dma_addr) &
2734 MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
2736 if (sizeof(phys_addr_t) == 8)
2737 val |= (upper_32_bits(buf_phys_addr)
2738 << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
2739 MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
2741 mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
2744 /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
2745 * returned in the "cookie" field of the RX
2746 * descriptor. Instead of storing the virtual address, we
2747 * store the physical address
2749 mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
2750 mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
2753 /* Refill BM pool */
2754 static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
2755 dma_addr_t dma_addr,
2756 phys_addr_t phys_addr)
2758 int pool = mvpp2_bm_cookie_pool_get(bm);
2760 mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
2763 /* Allocate buffers for the pool */
2764 static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
2765 struct mvpp2_bm_pool *bm_pool, int buf_num)
2770 (buf_num + bm_pool->buf_num > bm_pool->size)) {
2771 dev_err(port->phy_dev->dev,
2772 "cannot allocate %d buffers for pool %d\n", buf_num,
2777 for (i = 0; i < buf_num; i++) {
2778 mvpp2_bm_pool_put(port, bm_pool->id,
2779 (dma_addr_t)buffer_loc.rx_buffer[i],
2780 (unsigned long)buffer_loc.rx_buffer[i]);
2784 /* Update BM driver with number of buffers added to pool */
2785 bm_pool->buf_num += i;
2790 /* Notify the driver that BM pool is being used as specific type and return the
2791 * pool pointer on success
2793 static struct mvpp2_bm_pool *
2794 mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
2797 struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool];
2800 if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) {
2801 dev_err(port->phy_dev->dev, "mixing pool types is forbidden\n");
2805 if (new_pool->type == MVPP2_BM_FREE)
2806 new_pool->type = type;
2808 /* Allocate buffers in case BM pool is used as long pool, but packet
2809 * size doesn't match MTU or BM pool hasn't being used yet
2811 if (((type == MVPP2_BM_SWF_LONG) && (pkt_size > new_pool->pkt_size)) ||
2812 (new_pool->pkt_size == 0)) {
2815 /* Set default buffer number or free all the buffers in case
2816 * the pool is not empty
2818 pkts_num = new_pool->buf_num;
2820 pkts_num = type == MVPP2_BM_SWF_LONG ?
2821 MVPP2_BM_LONG_BUF_NUM :
2822 MVPP2_BM_SHORT_BUF_NUM;
2824 mvpp2_bm_bufs_free(NULL,
2825 port->priv, new_pool);
2827 new_pool->pkt_size = pkt_size;
2829 /* Allocate buffers for this pool */
2830 num = mvpp2_bm_bufs_add(port, new_pool, pkts_num);
2831 if (num != pkts_num) {
2832 dev_err(port->phy_dev->dev,
2833 "pool %d: %d of %d allocated\n", new_pool->id,
2842 /* Initialize pools for swf */
2843 static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port)
2847 if (!port->pool_long) {
2849 mvpp2_bm_pool_use(port, MVPP2_BM_SWF_LONG_POOL(port->id),
2852 if (!port->pool_long)
2855 port->pool_long->port_map |= (1 << port->id);
2857 for (rxq = 0; rxq < rxq_number; rxq++)
2858 mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id);
2864 /* Port configuration routines */
2866 static void mvpp2_port_mii_set(struct mvpp2_port *port)
2870 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2872 switch (port->phy_interface) {
2873 case PHY_INTERFACE_MODE_SGMII:
2874 case PHY_INTERFACE_MODE_SGMII_2500:
2875 val |= MVPP2_GMAC_INBAND_AN_MASK;
2877 case PHY_INTERFACE_MODE_1000BASEX:
2878 case PHY_INTERFACE_MODE_2500BASEX:
2879 val &= ~MVPP2_GMAC_INBAND_AN_MASK;
2881 case PHY_INTERFACE_MODE_RGMII:
2882 case PHY_INTERFACE_MODE_RGMII_ID:
2883 val |= MVPP2_GMAC_PORT_RGMII_MASK;
2885 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
2888 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2891 static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
2895 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2896 val |= MVPP2_GMAC_FC_ADV_EN;
2897 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
2900 static void mvpp2_port_enable(struct mvpp2_port *port)
2904 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2905 val |= MVPP2_GMAC_PORT_EN_MASK;
2906 val |= MVPP2_GMAC_MIB_CNTR_EN_MASK;
2907 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2910 static void mvpp2_port_disable(struct mvpp2_port *port)
2914 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2915 val &= ~(MVPP2_GMAC_PORT_EN_MASK);
2916 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2919 /* Set IEEE 802.3x Flow Control Xon Packet Transmission Mode */
2920 static void mvpp2_port_periodic_xon_disable(struct mvpp2_port *port)
2924 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG) &
2925 ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
2926 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2929 /* Configure loopback port */
2930 static void mvpp2_port_loopback_set(struct mvpp2_port *port)
2934 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
2936 if (port->speed == 1000)
2937 val |= MVPP2_GMAC_GMII_LB_EN_MASK;
2939 val &= ~MVPP2_GMAC_GMII_LB_EN_MASK;
2941 if (port->phy_interface == PHY_INTERFACE_MODE_SGMII ||
2942 port->phy_interface == PHY_INTERFACE_MODE_SGMII_2500 ||
2943 port->phy_interface == PHY_INTERFACE_MODE_1000BASEX ||
2944 port->phy_interface == PHY_INTERFACE_MODE_2500BASEX)
2945 val |= MVPP2_GMAC_PCS_LB_EN_MASK;
2947 val &= ~MVPP2_GMAC_PCS_LB_EN_MASK;
2949 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
2952 static void mvpp2_port_reset(struct mvpp2_port *port)
2956 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2957 ~MVPP2_GMAC_PORT_RESET_MASK;
2958 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2960 while (readl(port->base + MVPP2_GMAC_CTRL_2_REG) &
2961 MVPP2_GMAC_PORT_RESET_MASK)
2965 /* Change maximum receive size of the port */
2966 static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port)
2970 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
2971 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
2972 val |= (((port->pkt_size - MVPP2_MH_SIZE) / 2) <<
2973 MVPP2_GMAC_MAX_RX_SIZE_OFFS);
2974 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
2977 /* PPv2.2 GoP/GMAC config */
2979 /* Set the MAC to reset or exit from reset */
2980 static int gop_gmac_reset(struct mvpp2_port *port, int reset)
2984 /* read - modify - write */
2985 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
2987 val |= MVPP2_GMAC_PORT_RESET_MASK;
2989 val &= ~MVPP2_GMAC_PORT_RESET_MASK;
2990 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
2998 * Configure port to working with Gig PCS or don't.
3000 static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en)
3004 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3006 val |= MVPP2_GMAC_PCS_ENABLE_MASK;
3008 val &= ~MVPP2_GMAC_PCS_ENABLE_MASK;
3009 /* enable / disable PCS on this port */
3010 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3015 static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en)
3019 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3021 val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3023 val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK;
3024 /* enable / disable PCS on this port */
3025 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3030 static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
3035 * Configure minimal level of the Tx FIFO before the lower part
3036 * starts to read a packet
3038 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3039 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3040 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3041 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3042 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3044 /* Disable bypass of sync module */
3045 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3046 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3047 /* configure DP clock select according to mode */
3048 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3049 /* configure QSGMII bypass according to mode */
3050 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3051 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3053 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3055 * Configure GIG MAC to SGMII mode connected to a fiber
3058 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3059 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3061 /* configure AN 0x9268 */
3062 val = MVPP2_GMAC_EN_PCS_AN |
3063 MVPP2_GMAC_AN_BYPASS_EN |
3064 MVPP2_GMAC_CONFIG_MII_SPEED |
3065 MVPP2_GMAC_CONFIG_GMII_SPEED |
3066 MVPP2_GMAC_FC_ADV_EN |
3067 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3068 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3069 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3072 static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
3077 * Configure minimal level of the Tx FIFO before the lower part
3078 * starts to read a packet
3080 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3081 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3082 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3083 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3084 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3086 /* Disable bypass of sync module */
3087 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3088 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3089 /* configure DP clock select according to mode */
3090 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3091 /* configure QSGMII bypass according to mode */
3092 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3093 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3095 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3096 /* configure GIG MAC to SGMII mode */
3097 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3098 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3101 val = MVPP2_GMAC_EN_PCS_AN |
3102 MVPP2_GMAC_AN_BYPASS_EN |
3103 MVPP2_GMAC_AN_SPEED_EN |
3104 MVPP2_GMAC_EN_FC_AN |
3105 MVPP2_GMAC_AN_DUPLEX_EN |
3106 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3107 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3110 static void gop_gmac_2500basex_cfg(struct mvpp2_port *port)
3115 * Configure minimal level of the Tx FIFO before the lower part
3116 * starts to read a packet
3118 thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH;
3119 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3120 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3121 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3122 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3124 /* Disable bypass of sync module */
3125 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3126 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3127 /* configure DP clock select according to mode */
3128 val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3129 /* configure QSGMII bypass according to mode */
3130 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3131 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3133 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3135 * Configure GIG MAC to 2500Base-X mode connected to a fiber
3138 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3139 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3141 /* In 2500BaseX mode, we can't negotiate speed
3142 * and we do not want InBand autoneg
3143 * bypass enabled (link interrupt storm risk
3146 val = MVPP2_GMAC_AN_BYPASS_EN |
3147 MVPP2_GMAC_EN_PCS_AN |
3148 MVPP2_GMAC_CONFIG_GMII_SPEED |
3149 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3150 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3151 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3154 static void gop_gmac_1000basex_cfg(struct mvpp2_port *port)
3159 * Configure minimal level of the Tx FIFO before the lower part
3160 * starts to read a packet
3162 thresh = MVPP2_SGMII_TX_FIFO_MIN_TH;
3163 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3164 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3165 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3166 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3168 /* Disable bypass of sync module */
3169 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3170 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3171 /* configure DP clock select according to mode */
3172 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3173 /* configure QSGMII bypass according to mode */
3174 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3175 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3177 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3178 /* configure GIG MAC to 1000BASEX mode */
3179 val |= MVPP2_GMAC_PORT_TYPE_MASK;
3180 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3182 /* In 1000BaseX mode, we can't negotiate speed (it's
3183 * only 1000), and we do not want InBand autoneg
3184 * bypass enabled (link interrupt storm risk
3187 val = MVPP2_GMAC_AN_BYPASS_EN |
3188 MVPP2_GMAC_EN_PCS_AN |
3189 MVPP2_GMAC_CONFIG_GMII_SPEED |
3190 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
3191 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3192 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3195 static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
3200 * Configure minimal level of the Tx FIFO before the lower part
3201 * starts to read a packet
3203 thresh = MVPP2_RGMII_TX_FIFO_MIN_TH;
3204 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3205 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3206 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh);
3207 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3209 /* Disable bypass of sync module */
3210 val = readl(port->base + MVPP2_GMAC_CTRL_4_REG);
3211 val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK;
3212 /* configure DP clock select according to mode */
3213 val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK;
3214 val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
3215 val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
3216 writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
3218 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3219 /* configure GIG MAC to SGMII mode */
3220 val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
3221 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3223 /* configure AN 0xb8e8 */
3224 val = MVPP2_GMAC_AN_BYPASS_EN |
3225 MVPP2_GMAC_AN_SPEED_EN |
3226 MVPP2_GMAC_EN_FC_AN |
3227 MVPP2_GMAC_AN_DUPLEX_EN |
3228 MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG;
3229 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
3232 /* Set the internal mux's to the required MAC in the GOP */
3233 static int gop_gmac_mode_cfg(struct mvpp2_port *port)
3237 /* Set TX FIFO thresholds */
3238 switch (port->phy_interface) {
3239 case PHY_INTERFACE_MODE_SGMII:
3240 gop_gmac_sgmii_cfg(port);
3242 case PHY_INTERFACE_MODE_SGMII_2500:
3243 gop_gmac_sgmii2_5_cfg(port);
3245 case PHY_INTERFACE_MODE_1000BASEX:
3246 gop_gmac_1000basex_cfg(port);
3249 case PHY_INTERFACE_MODE_2500BASEX:
3250 gop_gmac_2500basex_cfg(port);
3253 case PHY_INTERFACE_MODE_RGMII:
3254 case PHY_INTERFACE_MODE_RGMII_ID:
3255 gop_gmac_rgmii_cfg(port);
3262 /* Jumbo frame support - 0x1400*2= 0x2800 bytes */
3263 val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
3264 val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK;
3265 val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS;
3266 writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
3268 /* PeriodicXonEn disable */
3269 val = readl(port->base + MVPP2_GMAC_CTRL_1_REG);
3270 val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK;
3271 writel(val, port->base + MVPP2_GMAC_CTRL_1_REG);
3276 static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port)
3280 /* relevant only for MAC0 (XLG0 and GMAC0) */
3281 if (port->gop_id > 0)
3284 /* configure 1Gig MAC mode */
3285 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3286 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3287 val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
3288 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3291 static int gop_gpcs_reset(struct mvpp2_port *port, int reset)
3295 val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
3297 val &= ~MVPP2_GMAC_SGMII_MODE_MASK;
3299 val |= MVPP2_GMAC_SGMII_MODE_MASK;
3300 writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
3305 static int gop_mpcs_mode(struct mvpp2_port *port)
3309 /* configure PCS40G COMMON CONTROL */
3310 val = readl(port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3311 PCS40G_COMMON_CONTROL);
3312 val &= ~FORWARD_ERROR_CORRECTION_MASK;
3313 writel(val, port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3314 PCS40G_COMMON_CONTROL);
3316 /* configure PCS CLOCK RESET */
3317 val = readl(port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3319 val &= ~CLK_DIVISION_RATIO_MASK;
3320 val |= 1 << CLK_DIVISION_RATIO_OFFS;
3321 writel(val, port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3324 val &= ~CLK_DIV_PHASE_SET_MASK;
3325 val |= MAC_CLK_RESET_MASK;
3326 val |= RX_SD_CLK_RESET_MASK;
3327 val |= TX_SD_CLK_RESET_MASK;
3328 writel(val, port->priv->mpcs_base + port->gop_id * MVPP22_PORT_OFFSET +
3334 /* Set the internal mux's to the required MAC in the GOP */
3335 static int gop_xlg_mac_mode_cfg(struct mvpp2_port *port, int num_of_act_lanes)
3339 /* configure 10G MAC mode */
3340 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3341 val |= MVPP22_XLG_RX_FC_EN;
3342 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3344 val = readl(port->base + MVPP22_XLG_CTRL3_REG);
3345 val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
3346 val |= MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC;
3347 writel(val, port->base + MVPP22_XLG_CTRL3_REG);
3349 /* read - modify - write */
3350 val = readl(port->base + MVPP22_XLG_CTRL4_REG);
3351 val &= ~MVPP22_XLG_MODE_DMA_1G;
3352 val |= MVPP22_XLG_FORWARD_PFC_EN;
3353 val |= MVPP22_XLG_FORWARD_802_3X_FC_EN;
3354 val &= ~MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK;
3355 writel(val, port->base + MVPP22_XLG_CTRL4_REG);
3357 /* Jumbo frame support: 0x1400 * 2 = 0x2800 bytes */
3358 val = readl(port->base + MVPP22_XLG_CTRL1_REG);
3359 val &= ~MVPP22_XLG_MAX_RX_SIZE_MASK;
3360 val |= 0x1400 << MVPP22_XLG_MAX_RX_SIZE_OFFS;
3361 writel(val, port->base + MVPP22_XLG_CTRL1_REG);
3363 /* unmask link change interrupt */
3364 val = readl(port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3365 val |= MVPP22_XLG_INTERRUPT_LINK_CHANGE;
3366 val |= 1; /* unmask summary bit */
3367 writel(val, port->base + MVPP22_XLG_INTERRUPT_MASK_REG);
3372 /* Set the MAC to reset or exit from reset */
3373 static int gop_xlg_mac_reset(struct mvpp2_port *port, int reset)
3377 /* read - modify - write */
3378 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3380 val &= ~MVPP22_XLG_MAC_RESETN;
3382 val |= MVPP22_XLG_MAC_RESETN;
3383 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3391 * Init physical port. Configures the port mode and all it's elements
3393 * Does not verify that the selected mode/port number is valid at the
3396 static int gop_port_init(struct mvpp2_port *port)
3398 int mac_num = port->gop_id;
3399 int num_of_act_lanes;
3401 if (mac_num >= MVPP22_GOP_MAC_NUM) {
3402 log_err("illegal port number %d", mac_num);
3406 switch (port->phy_interface) {
3407 case PHY_INTERFACE_MODE_RGMII:
3408 case PHY_INTERFACE_MODE_RGMII_ID:
3409 gop_gmac_reset(port, 1);
3412 gop_gpcs_mode_cfg(port, 0);
3413 gop_bypass_clk_cfg(port, 1);
3416 gop_gmac_mode_cfg(port);
3418 gop_gpcs_reset(port, 0);
3421 gop_gmac_reset(port, 0);
3424 case PHY_INTERFACE_MODE_SGMII:
3425 case PHY_INTERFACE_MODE_SGMII_2500:
3426 case PHY_INTERFACE_MODE_1000BASEX:
3427 case PHY_INTERFACE_MODE_2500BASEX:
3429 gop_gpcs_mode_cfg(port, 1);
3432 gop_gmac_mode_cfg(port);
3433 /* select proper Mac mode */
3434 gop_xlg_2_gig_mac_cfg(port);
3437 gop_gpcs_reset(port, 0);
3439 gop_gmac_reset(port, 0);
3442 case PHY_INTERFACE_MODE_SFI:
3443 num_of_act_lanes = 2;
3446 gop_mpcs_mode(port);
3448 gop_xlg_mac_mode_cfg(port, num_of_act_lanes);
3451 gop_xlg_mac_reset(port, 0);
3455 log_err("Requested port mode (%d) not supported\n",
3456 port->phy_interface);
3463 static void gop_xlg_mac_port_enable(struct mvpp2_port *port, int enable)
3467 val = readl(port->base + MVPP22_XLG_CTRL0_REG);
3469 /* Enable port and MIB counters update */
3470 val |= MVPP22_XLG_PORT_EN;
3471 val &= ~MVPP22_XLG_MIBCNT_DIS;
3474 val &= ~MVPP22_XLG_PORT_EN;
3476 writel(val, port->base + MVPP22_XLG_CTRL0_REG);
3479 static void gop_port_enable(struct mvpp2_port *port, int enable)
3481 switch (port->phy_interface) {
3482 case PHY_INTERFACE_MODE_RGMII:
3483 case PHY_INTERFACE_MODE_RGMII_ID:
3484 case PHY_INTERFACE_MODE_SGMII:
3485 case PHY_INTERFACE_MODE_SGMII_2500:
3486 case PHY_INTERFACE_MODE_1000BASEX:
3487 case PHY_INTERFACE_MODE_2500BASEX:
3489 mvpp2_port_enable(port);
3491 mvpp2_port_disable(port);
3494 case PHY_INTERFACE_MODE_SFI:
3495 gop_xlg_mac_port_enable(port, enable);
3499 log_err("%s: Wrong port mode (%d)\n", __func__,
3500 port->phy_interface);
3505 /* RFU1 functions */
3506 static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset)
3508 return readl(priv->rfu1_base + offset);
3511 static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data)
3513 writel(data, priv->rfu1_base + offset);
3516 static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type)
3521 if (phy_type == PHY_INTERFACE_MODE_SGMII ||
3522 phy_type == PHY_INTERFACE_MODE_SGMII_2500 ||
3523 phy_type == PHY_INTERFACE_MODE_1000BASEX ||
3524 phy_type == PHY_INTERFACE_MODE_2500BASEX)
3525 val |= MV_NETC_GE_MAC2_SGMII;
3526 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3527 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3528 val |= MV_NETC_GE_MAC2_RGMII;
3532 if (phy_type == PHY_INTERFACE_MODE_SGMII ||
3533 phy_type == PHY_INTERFACE_MODE_SGMII_2500 ||
3534 phy_type == PHY_INTERFACE_MODE_1000BASEX ||
3535 phy_type == PHY_INTERFACE_MODE_2500BASEX)
3536 val |= MV_NETC_GE_MAC3_SGMII;
3537 else if (phy_type == PHY_INTERFACE_MODE_RGMII ||
3538 phy_type == PHY_INTERFACE_MODE_RGMII_ID)
3539 val |= MV_NETC_GE_MAC3_RGMII;
3545 static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val)
3549 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3550 reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id));
3552 val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id);
3553 val &= NETC_PORTS_ACTIVE_MASK(gop_id);
3557 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3560 static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val)
3564 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3565 reg &= ~NETC_GBE_PORT1_MII_MODE_MASK;
3567 val <<= NETC_GBE_PORT1_MII_MODE_OFFS;
3568 val &= NETC_GBE_PORT1_MII_MODE_MASK;
3572 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3575 static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val)
3579 reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG);
3580 reg &= ~NETC_GOP_SOFT_RESET_MASK;
3582 val <<= NETC_GOP_SOFT_RESET_OFFS;
3583 val &= NETC_GOP_SOFT_RESET_MASK;
3587 gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg);
3590 static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val)
3594 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3595 reg &= ~NETC_CLK_DIV_PHASE_MASK;
3597 val <<= NETC_CLK_DIV_PHASE_OFFS;
3598 val &= NETC_CLK_DIV_PHASE_MASK;
3602 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3605 static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val)
3609 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG);
3610 reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id));
3612 val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id);
3613 val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id);
3617 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg);
3620 static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id,
3623 u32 reg, mask, offset;
3626 mask = NETC_GBE_PORT0_SGMII_MODE_MASK;
3627 offset = NETC_GBE_PORT0_SGMII_MODE_OFFS;
3629 mask = NETC_GBE_PORT1_SGMII_MODE_MASK;
3630 offset = NETC_GBE_PORT1_SGMII_MODE_OFFS;
3632 reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG);
3640 gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg);
3643 static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val)
3647 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3648 reg &= ~NETC_BUS_WIDTH_SELECT_MASK;
3650 val <<= NETC_BUS_WIDTH_SELECT_OFFS;
3651 val &= NETC_BUS_WIDTH_SELECT_MASK;
3655 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3658 static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val)
3662 reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG);
3663 reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK;
3665 val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS;
3666 val &= NETC_GIG_RX_DATA_SAMPLE_MASK;
3670 gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg);
3673 static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id,
3674 enum mv_netc_phase phase)
3677 case MV_NETC_FIRST_PHASE:
3678 /* Set Bus Width to HB mode = 1 */
3679 gop_netc_bus_width_select(priv, 1);
3680 /* Select RGMII mode */
3681 gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII);
3684 case MV_NETC_SECOND_PHASE:
3685 /* De-assert the relevant port HB reset */
3686 gop_netc_port_rf_reset(priv, gop_id, 1);
3691 static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id,
3692 enum mv_netc_phase phase)
3695 case MV_NETC_FIRST_PHASE:
3696 /* Set Bus Width to HB mode = 1 */
3697 gop_netc_bus_width_select(priv, 1);
3698 /* Select SGMII mode */
3700 gop_netc_gbe_sgmii_mode_select(priv, gop_id,
3704 /* Configure the sample stages */
3705 gop_netc_sample_stages_timing(priv, 0);
3706 /* Configure the ComPhy Selector */
3707 /* gop_netc_com_phy_selector_config(netComplex); */
3710 case MV_NETC_SECOND_PHASE:
3711 /* De-assert the relevant port HB reset */
3712 gop_netc_port_rf_reset(priv, gop_id, 1);
3717 static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase)
3719 u32 c = priv->netc_config;
3721 if (c & MV_NETC_GE_MAC2_SGMII)
3722 gop_netc_mac_to_sgmii(priv, 2, phase);
3723 else if (c & MV_NETC_GE_MAC2_RGMII)
3724 gop_netc_mac_to_xgmii(priv, 2, phase);
3726 if (c & MV_NETC_GE_MAC3_SGMII) {
3727 gop_netc_mac_to_sgmii(priv, 3, phase);
3729 gop_netc_mac_to_xgmii(priv, 3, phase);
3730 if (c & MV_NETC_GE_MAC3_RGMII)
3731 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII);
3733 gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII);
3736 /* Activate gop ports 0, 2, 3 */
3737 gop_netc_active_port(priv, 0, 1);
3738 gop_netc_active_port(priv, 2, 1);
3739 gop_netc_active_port(priv, 3, 1);
3741 if (phase == MV_NETC_SECOND_PHASE) {
3742 /* Enable the GOP internal clock logic */
3743 gop_netc_gop_clock_logic_set(priv, 1);
3744 /* De-assert GOP unit reset */
3745 gop_netc_gop_reset(priv, 1);
3751 /* Set defaults to the MVPP2 port */
3752 static void mvpp2_defaults_set(struct mvpp2_port *port)
3754 int tx_port_num, val, queue, ptxq, lrxq;
3756 if (port->priv->hw_version == MVPP21) {
3757 /* Configure port to loopback if needed */
3758 if (port->flags & MVPP2_F_LOOPBACK)
3759 mvpp2_port_loopback_set(port);
3761 /* Update TX FIFO MIN Threshold */
3762 val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3763 val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
3764 /* Min. TX threshold must be less than minimal packet length */
3765 val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
3766 writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
3769 /* Disable Legacy WRR, Disable EJP, Release from reset */
3770 tx_port_num = mvpp2_egress_port(port);
3771 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG,
3773 mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0);
3775 /* Close bandwidth for all queues */
3776 for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) {
3777 ptxq = mvpp2_txq_phys(port->id, queue);
3778 mvpp2_write(port->priv,
3779 MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0);
3782 /* Set refill period to 1 usec, refill tokens
3783 * and bucket size to maximum
3785 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PERIOD_REG, 0xc8);
3786 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_REFILL_REG);
3787 val &= ~MVPP2_TXP_REFILL_PERIOD_ALL_MASK;
3788 val |= MVPP2_TXP_REFILL_PERIOD_MASK(1);
3789 val |= MVPP2_TXP_REFILL_TOKENS_ALL_MASK;
3790 mvpp2_write(port->priv, MVPP2_TXP_SCHED_REFILL_REG, val);
3791 val = MVPP2_TXP_TOKEN_SIZE_MAX;
3792 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
3794 /* Set MaximumLowLatencyPacketSize value to 256 */
3795 mvpp2_write(port->priv, MVPP2_RX_CTRL_REG(port->id),
3796 MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK |
3797 MVPP2_RX_LOW_LATENCY_PKT_SIZE(256));
3799 /* Enable Rx cache snoop */
3800 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3801 queue = port->rxqs[lrxq]->id;
3802 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3803 val |= MVPP2_SNOOP_PKT_SIZE_MASK |
3804 MVPP2_SNOOP_BUF_HDR_MASK;
3805 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3809 /* Enable/disable receiving packets */
3810 static void mvpp2_ingress_enable(struct mvpp2_port *port)
3815 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3816 queue = port->rxqs[lrxq]->id;
3817 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3818 val &= ~MVPP2_RXQ_DISABLE_MASK;
3819 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3823 static void mvpp2_ingress_disable(struct mvpp2_port *port)
3828 for (lrxq = 0; lrxq < rxq_number; lrxq++) {
3829 queue = port->rxqs[lrxq]->id;
3830 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(queue));
3831 val |= MVPP2_RXQ_DISABLE_MASK;
3832 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(queue), val);
3836 /* Enable transmit via physical egress queue
3837 * - HW starts take descriptors from DRAM
3839 static void mvpp2_egress_enable(struct mvpp2_port *port)
3843 int tx_port_num = mvpp2_egress_port(port);
3845 /* Enable all initialized TXs. */
3847 for (queue = 0; queue < txq_number; queue++) {
3848 struct mvpp2_tx_queue *txq = port->txqs[queue];
3850 if (txq->descs != NULL)
3851 qmap |= (1 << queue);
3854 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3855 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG, qmap);
3858 /* Disable transmit via physical egress queue
3859 * - HW doesn't take descriptors from DRAM
3861 static void mvpp2_egress_disable(struct mvpp2_port *port)
3865 int tx_port_num = mvpp2_egress_port(port);
3867 /* Issue stop command for active channels only */
3868 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
3869 reg_data = (mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG)) &
3870 MVPP2_TXP_SCHED_ENQ_MASK;
3872 mvpp2_write(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG,
3873 (reg_data << MVPP2_TXP_SCHED_DISQ_OFFSET));
3875 /* Wait for all Tx activity to terminate. */
3878 if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) {
3879 dev_warn(port->phy_dev->dev,
3880 "Tx stop timed out, status=0x%08x\n",
3887 /* Check port TX Command register that all
3888 * Tx queues are stopped
3890 reg_data = mvpp2_read(port->priv, MVPP2_TXP_SCHED_Q_CMD_REG);
3891 } while (reg_data & MVPP2_TXP_SCHED_ENQ_MASK);
3894 /* Rx descriptors helper methods */
3896 /* Get number of Rx descriptors occupied by received packets */
3898 mvpp2_rxq_received(struct mvpp2_port *port, int rxq_id)
3900 u32 val = mvpp2_read(port->priv, MVPP2_RXQ_STATUS_REG(rxq_id));
3902 return val & MVPP2_RXQ_OCCUPIED_MASK;
3905 /* Update Rx queue status with the number of occupied and available
3906 * Rx descriptor slots.
3909 mvpp2_rxq_status_update(struct mvpp2_port *port, int rxq_id,
3910 int used_count, int free_count)
3912 /* Decrement the number of used descriptors and increment count
3913 * increment the number of free descriptors.
3915 u32 val = used_count | (free_count << MVPP2_RXQ_NUM_NEW_OFFSET);
3917 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_UPDATE_REG(rxq_id), val);
3920 /* Get pointer to next RX descriptor to be processed by SW */
3921 static inline struct mvpp2_rx_desc *
3922 mvpp2_rxq_next_desc_get(struct mvpp2_rx_queue *rxq)
3924 int rx_desc = rxq->next_desc_to_proc;
3926 rxq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(rxq, rx_desc);
3927 prefetch(rxq->descs + rxq->next_desc_to_proc);
3928 return rxq->descs + rx_desc;
3931 /* Set rx queue offset */
3932 static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
3933 int prxq, int offset)
3937 /* Convert offset from bytes to units of 32 bytes */
3938 offset = offset >> 5;
3940 val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
3941 val &= ~MVPP2_RXQ_PACKET_OFFSET_MASK;
3944 val |= ((offset << MVPP2_RXQ_PACKET_OFFSET_OFFS) &
3945 MVPP2_RXQ_PACKET_OFFSET_MASK);
3947 mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
3950 /* Obtain BM cookie information from descriptor */
3951 static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
3952 struct mvpp2_rx_desc *rx_desc)
3954 int cpu = smp_processor_id();
3957 pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
3958 MVPP2_RXD_BM_POOL_ID_MASK) >>
3959 MVPP2_RXD_BM_POOL_ID_OFFS;
3961 return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
3962 ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
3965 /* Tx descriptors helper methods */
3967 /* Get number of Tx descriptors waiting to be transmitted by HW */
3968 static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
3969 struct mvpp2_tx_queue *txq)
3973 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
3974 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
3976 return val & MVPP2_TXQ_PENDING_MASK;
3979 /* Get pointer to next Tx descriptor to be processed (send) by HW */
3980 static struct mvpp2_tx_desc *
3981 mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
3983 int tx_desc = txq->next_desc_to_proc;
3985 txq->next_desc_to_proc = MVPP2_QUEUE_NEXT_DESC(txq, tx_desc);
3986 return txq->descs + tx_desc;
3989 /* Update HW with number of aggregated Tx descriptors to be sent */
3990 static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
3992 /* aggregated access - relevant TXQ number is written in TX desc */
3993 mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
3996 /* Get number of sent descriptors and decrement counter.
3997 * The number of sent descriptors is returned.
4000 static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
4001 struct mvpp2_tx_queue *txq)
4005 /* Reading status reg resets transmitted descriptor counter */
4006 val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
4008 return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
4009 MVPP2_TRANSMITTED_COUNT_OFFSET;
4012 static void mvpp2_txq_sent_counter_clear(void *arg)
4014 struct mvpp2_port *port = arg;
4017 for (queue = 0; queue < txq_number; queue++) {
4018 int id = port->txqs[queue]->id;
4020 mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
4024 /* Set max sizes for Tx queues */
4025 static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
4028 int txq, tx_port_num;
4030 mtu = port->pkt_size * 8;
4031 if (mtu > MVPP2_TXP_MTU_MAX)
4032 mtu = MVPP2_TXP_MTU_MAX;
4034 /* WA for wrong Token bucket update: Set MTU value = 3*real MTU value */
4037 /* Indirect access to registers */
4038 tx_port_num = mvpp2_egress_port(port);
4039 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4042 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_MTU_REG);
4043 val &= ~MVPP2_TXP_MTU_MAX;
4045 mvpp2_write(port->priv, MVPP2_TXP_SCHED_MTU_REG, val);
4047 /* TXP token size and all TXQs token size must be larger that MTU */
4048 val = mvpp2_read(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG);
4049 size = val & MVPP2_TXP_TOKEN_SIZE_MAX;
4052 val &= ~MVPP2_TXP_TOKEN_SIZE_MAX;
4054 mvpp2_write(port->priv, MVPP2_TXP_SCHED_TOKEN_SIZE_REG, val);
4057 for (txq = 0; txq < txq_number; txq++) {
4058 val = mvpp2_read(port->priv,
4059 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq));
4060 size = val & MVPP2_TXQ_TOKEN_SIZE_MAX;
4064 val &= ~MVPP2_TXQ_TOKEN_SIZE_MAX;
4066 mvpp2_write(port->priv,
4067 MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq),
4073 /* Free Tx queue skbuffs */
4074 static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
4075 struct mvpp2_tx_queue *txq,
4076 struct mvpp2_txq_pcpu *txq_pcpu, int num)
4080 for (i = 0; i < num; i++)
4081 mvpp2_txq_inc_get(txq_pcpu);
4084 static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
4087 int queue = fls(cause) - 1;
4089 return port->rxqs[queue];
4092 static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port,
4095 int queue = fls(cause) - 1;
4097 return port->txqs[queue];
4100 /* Rx/Tx queue initialization/cleanup methods */
4102 /* Allocate and initialize descriptors for aggr TXQ */
4103 static int mvpp2_aggr_txq_init(struct udevice *dev,
4104 struct mvpp2_tx_queue *aggr_txq,
4105 int desc_num, int cpu,
4110 /* Allocate memory for TX descriptors */
4111 aggr_txq->descs = buffer_loc.aggr_tx_descs;
4112 aggr_txq->descs_dma = (dma_addr_t)buffer_loc.aggr_tx_descs;
4113 if (!aggr_txq->descs)
4116 /* Make sure descriptor address is cache line size aligned */
4117 BUG_ON(aggr_txq->descs !=
4118 PTR_ALIGN(aggr_txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4120 aggr_txq->last_desc = aggr_txq->size - 1;
4122 /* Aggr TXQ no reset WA */
4123 aggr_txq->next_desc_to_proc = mvpp2_read(priv,
4124 MVPP2_AGGR_TXQ_INDEX_REG(cpu));
4126 /* Set Tx descriptors queue starting address indirect
4129 if (priv->hw_version == MVPP21)
4130 txq_dma = aggr_txq->descs_dma;
4132 txq_dma = aggr_txq->descs_dma >>
4133 MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
4135 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
4136 mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
4141 /* Create a specified Rx queue */
4142 static int mvpp2_rxq_init(struct mvpp2_port *port,
4143 struct mvpp2_rx_queue *rxq)
4148 rxq->size = port->rx_ring_size;
4150 /* Allocate memory for RX descriptors */
4151 rxq->descs = buffer_loc.rx_descs;
4152 rxq->descs_dma = (dma_addr_t)buffer_loc.rx_descs;
4156 BUG_ON(rxq->descs !=
4157 PTR_ALIGN(rxq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4159 rxq->last_desc = rxq->size - 1;
4161 /* Zero occupied and non-occupied counters - direct access */
4162 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4164 /* Set Rx descriptors queue starting address - indirect access */
4165 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4166 if (port->priv->hw_version == MVPP21)
4167 rxq_dma = rxq->descs_dma;
4169 rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
4170 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
4171 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
4172 mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
4175 mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
4177 /* Add number of descriptors ready for receiving packets */
4178 mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
4183 /* Push packets received by the RXQ to BM pool */
4184 static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
4185 struct mvpp2_rx_queue *rxq)
4189 rx_received = mvpp2_rxq_received(port, rxq->id);
4193 for (i = 0; i < rx_received; i++) {
4194 struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
4195 u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
4197 mvpp2_pool_refill(port, bm,
4198 mvpp2_rxdesc_dma_addr_get(port, rx_desc),
4199 mvpp2_rxdesc_cookie_get(port, rx_desc));
4201 mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
4204 /* Cleanup Rx queue */
4205 static void mvpp2_rxq_deinit(struct mvpp2_port *port,
4206 struct mvpp2_rx_queue *rxq)
4208 mvpp2_rxq_drop_pkts(port, rxq);
4212 rxq->next_desc_to_proc = 0;
4215 /* Clear Rx descriptors queue starting address and size;
4216 * free descriptor number
4218 mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
4219 mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
4220 mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
4221 mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
4224 /* Create and initialize a Tx queue */
4225 static int mvpp2_txq_init(struct mvpp2_port *port,
4226 struct mvpp2_tx_queue *txq)
4229 int cpu, desc, desc_per_txq, tx_port_num;
4230 struct mvpp2_txq_pcpu *txq_pcpu;
4232 txq->size = port->tx_ring_size;
4234 /* Allocate memory for Tx descriptors */
4235 txq->descs = buffer_loc.tx_descs;
4236 txq->descs_dma = (dma_addr_t)buffer_loc.tx_descs;
4240 /* Make sure descriptor address is cache line size aligned */
4241 BUG_ON(txq->descs !=
4242 PTR_ALIGN(txq->descs, MVPP2_CPU_D_CACHE_LINE_SIZE));
4244 txq->last_desc = txq->size - 1;
4246 /* Set Tx descriptors queue starting address - indirect access */
4247 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4248 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma);
4249 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
4250 MVPP2_TXQ_DESC_SIZE_MASK);
4251 mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
4252 mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
4253 txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
4254 val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
4255 val &= ~MVPP2_TXQ_PENDING_MASK;
4256 mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
4258 /* Calculate base address in prefetch buffer. We reserve 16 descriptors
4259 * for each existing TXQ.
4260 * TCONTS for PON port must be continuous from 0 to MVPP2_MAX_TCONT
4261 * GBE ports assumed to be continious from 0 to MVPP2_MAX_PORTS
4264 desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
4265 (txq->log_id * desc_per_txq);
4267 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
4268 MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
4269 MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
4271 /* WRR / EJP configuration - indirect access */
4272 tx_port_num = mvpp2_egress_port(port);
4273 mvpp2_write(port->priv, MVPP2_TXP_SCHED_PORT_INDEX_REG, tx_port_num);
4275 val = mvpp2_read(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id));
4276 val &= ~MVPP2_TXQ_REFILL_PERIOD_ALL_MASK;
4277 val |= MVPP2_TXQ_REFILL_PERIOD_MASK(1);
4278 val |= MVPP2_TXQ_REFILL_TOKENS_ALL_MASK;
4279 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_REFILL_REG(txq->log_id), val);
4281 val = MVPP2_TXQ_TOKEN_SIZE_MAX;
4282 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(txq->log_id),
4285 for_each_present_cpu(cpu) {
4286 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4287 txq_pcpu->size = txq->size;
4293 /* Free allocated TXQ resources */
4294 static void mvpp2_txq_deinit(struct mvpp2_port *port,
4295 struct mvpp2_tx_queue *txq)
4299 txq->next_desc_to_proc = 0;
4302 /* Set minimum bandwidth for disabled TXQs */
4303 mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
4305 /* Set Tx descriptors queue starting address and size */
4306 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4307 mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
4308 mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
4311 /* Cleanup Tx ports */
4312 static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
4314 struct mvpp2_txq_pcpu *txq_pcpu;
4315 int delay, pending, cpu;
4318 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
4319 val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
4320 val |= MVPP2_TXQ_DRAIN_EN_MASK;
4321 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4323 /* The napi queue has been stopped so wait for all packets
4324 * to be transmitted.
4328 if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) {
4329 dev_warn(port->phy_dev->dev,
4330 "port %d: cleaning queue %d timed out\n",
4331 port->id, txq->log_id);
4337 pending = mvpp2_txq_pend_desc_num_get(port, txq);
4340 val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
4341 mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
4343 for_each_present_cpu(cpu) {
4344 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4346 /* Release all packets */
4347 mvpp2_txq_bufs_free(port, txq, txq_pcpu, txq_pcpu->count);
4350 txq_pcpu->count = 0;
4351 txq_pcpu->txq_put_index = 0;
4352 txq_pcpu->txq_get_index = 0;
4356 /* Cleanup all Tx queues */
4357 static void mvpp2_cleanup_txqs(struct mvpp2_port *port)
4359 struct mvpp2_tx_queue *txq;
4363 val = mvpp2_read(port->priv, MVPP2_TX_PORT_FLUSH_REG);
4365 /* Reset Tx ports and delete Tx queues */
4366 val |= MVPP2_TX_PORT_FLUSH_MASK(port->id);
4367 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4369 for (queue = 0; queue < txq_number; queue++) {
4370 txq = port->txqs[queue];
4371 mvpp2_txq_clean(port, txq);
4372 mvpp2_txq_deinit(port, txq);
4375 mvpp2_txq_sent_counter_clear(port);
4377 val &= ~MVPP2_TX_PORT_FLUSH_MASK(port->id);
4378 mvpp2_write(port->priv, MVPP2_TX_PORT_FLUSH_REG, val);
4381 /* Cleanup all Rx queues */
4382 static void mvpp2_cleanup_rxqs(struct mvpp2_port *port)
4386 for (queue = 0; queue < rxq_number; queue++)
4387 mvpp2_rxq_deinit(port, port->rxqs[queue]);
4390 /* Init all Rx queues for port */
4391 static int mvpp2_setup_rxqs(struct mvpp2_port *port)
4395 for (queue = 0; queue < rxq_number; queue++) {
4396 err = mvpp2_rxq_init(port, port->rxqs[queue]);
4403 mvpp2_cleanup_rxqs(port);
4407 /* Init all tx queues for port */
4408 static int mvpp2_setup_txqs(struct mvpp2_port *port)
4410 struct mvpp2_tx_queue *txq;
4413 for (queue = 0; queue < txq_number; queue++) {
4414 txq = port->txqs[queue];
4415 err = mvpp2_txq_init(port, txq);
4420 mvpp2_txq_sent_counter_clear(port);
4424 mvpp2_cleanup_txqs(port);
4429 static void mvpp2_link_event(struct mvpp2_port *port)
4431 struct phy_device *phydev = port->phy_dev;
4432 int status_change = 0;
4436 if ((port->speed != phydev->speed) ||
4437 (port->duplex != phydev->duplex)) {
4440 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4441 val &= ~(MVPP2_GMAC_CONFIG_MII_SPEED |
4442 MVPP2_GMAC_CONFIG_GMII_SPEED |
4443 MVPP2_GMAC_CONFIG_FULL_DUPLEX |
4444 MVPP2_GMAC_AN_SPEED_EN |
4445 MVPP2_GMAC_AN_DUPLEX_EN);
4448 val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX;
4450 if (phydev->speed == SPEED_1000 ||
4451 phydev->speed == 2500)
4452 val |= MVPP2_GMAC_CONFIG_GMII_SPEED;
4453 else if (phydev->speed == SPEED_100)
4454 val |= MVPP2_GMAC_CONFIG_MII_SPEED;
4456 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4458 port->duplex = phydev->duplex;
4459 port->speed = phydev->speed;
4463 if (phydev->link != port->link) {
4464 if (!phydev->link) {
4469 port->link = phydev->link;
4473 if (status_change) {
4475 val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4476 val |= (MVPP2_GMAC_FORCE_LINK_PASS |
4477 MVPP2_GMAC_FORCE_LINK_DOWN);
4478 writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
4479 mvpp2_egress_enable(port);
4480 mvpp2_ingress_enable(port);
4482 mvpp2_ingress_disable(port);
4483 mvpp2_egress_disable(port);
4488 /* Main RX/TX processing routines */
4490 /* Display more error info */
4491 static void mvpp2_rx_error(struct mvpp2_port *port,
4492 struct mvpp2_rx_desc *rx_desc)
4494 u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
4495 size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
4497 switch (status & MVPP2_RXD_ERR_CODE_MASK) {
4498 case MVPP2_RXD_ERR_CRC:
4499 dev_err(port->phy_dev->dev,
4500 "bad rx status %08x (crc error), size=%zu\n", status,
4503 case MVPP2_RXD_ERR_OVERRUN:
4504 dev_err(port->phy_dev->dev,
4505 "bad rx status %08x (overrun error), size=%zu\n",
4508 case MVPP2_RXD_ERR_RESOURCE:
4509 dev_err(port->phy_dev->dev,
4510 "bad rx status %08x (resource error), size=%zu\n",
4516 /* Reuse skb if possible, or allocate a new skb and add it to BM pool */
4517 static int mvpp2_rx_refill(struct mvpp2_port *port,
4518 struct mvpp2_bm_pool *bm_pool,
4519 u32 bm, dma_addr_t dma_addr)
4521 mvpp2_pool_refill(port, bm, dma_addr, (unsigned long)dma_addr);
4525 /* Set hw internals when starting port */
4526 static void mvpp2_start_dev(struct mvpp2_port *port)
4528 switch (port->phy_interface) {
4529 case PHY_INTERFACE_MODE_RGMII:
4530 case PHY_INTERFACE_MODE_RGMII_ID:
4531 case PHY_INTERFACE_MODE_SGMII:
4532 case PHY_INTERFACE_MODE_SGMII_2500:
4533 case PHY_INTERFACE_MODE_1000BASEX:
4534 case PHY_INTERFACE_MODE_2500BASEX:
4535 mvpp2_gmac_max_rx_size_set(port);
4540 mvpp2_txp_max_tx_size_set(port);
4542 if (port->priv->hw_version == MVPP21)
4543 mvpp2_port_enable(port);
4545 gop_port_enable(port, 1);
4548 /* Set hw internals when stopping port */
4549 static void mvpp2_stop_dev(struct mvpp2_port *port)
4551 /* Stop new packets from arriving to RXQs */
4552 mvpp2_ingress_disable(port);
4554 mvpp2_egress_disable(port);
4556 if (port->priv->hw_version == MVPP21)
4557 mvpp2_port_disable(port);
4559 gop_port_enable(port, 0);
4562 static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
4564 struct phy_device *phy_dev;
4566 if (!port->init || port->link == 0) {
4567 phy_dev = dm_mdio_phy_connect(port->mdio_dev, port->phyaddr,
4568 dev, port->phy_interface);
4571 * If the phy doesn't match with any existing u-boot drivers the
4572 * phy framework will connect it to generic one which
4573 * uid == 0xffffffff. In this case act as if the phy wouldn't be
4574 * declared in dts. Otherwise in case of 3310 (for which the
4575 * driver doesn't exist) the link will not be correctly
4576 * detected. Removing phy entry from dts in case of 3310 is not
4577 * an option because it is required for the phy_fw_down
4581 phy_dev->drv->uid == 0xffffffff) {/* Generic phy */
4582 dev_warn(port->phy_dev->dev,
4583 "Marking phy as invalid, link will not be checked\n");
4584 /* set phy_addr to invalid value */
4585 port->phyaddr = PHY_MAX_ADDR;
4586 mvpp2_egress_enable(port);
4587 mvpp2_ingress_enable(port);
4592 port->phy_dev = phy_dev;
4594 dev_err(port->phy_dev->dev, "cannot connect to phy\n");
4597 phy_dev->supported &= PHY_GBIT_FEATURES;
4598 phy_dev->advertising = phy_dev->supported;
4600 port->phy_dev = phy_dev;
4605 phy_config(phy_dev);
4606 phy_startup(phy_dev);
4608 printf("%s: No link\n", phy_dev->dev->name);
4612 mvpp2_egress_enable(port);
4613 mvpp2_ingress_enable(port);
4617 static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
4619 unsigned char mac_bcast[ETH_ALEN] = {
4620 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
4623 err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true);
4625 dev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n");
4628 err = mvpp2_prs_mac_da_accept(port->priv, port->id,
4629 port->dev_addr, true);
4631 dev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n");
4634 err = mvpp2_prs_def_flow(port);
4636 dev_err(dev, "mvpp2_prs_def_flow failed\n");
4640 /* Allocate the Rx/Tx queues */
4641 err = mvpp2_setup_rxqs(port);
4643 dev_err(port->phy_dev->dev, "cannot allocate Rx queues\n");
4647 err = mvpp2_setup_txqs(port);
4649 dev_err(port->phy_dev->dev, "cannot allocate Tx queues\n");
4653 if (port->phyaddr < PHY_MAX_ADDR) {
4654 mvpp2_phy_connect(dev, port);
4655 mvpp2_link_event(port);
4657 mvpp2_egress_enable(port);
4658 mvpp2_ingress_enable(port);
4661 mvpp2_start_dev(port);
4666 /* No Device ops here in U-Boot */
4668 /* Driver initialization */
4670 static void mvpp2_port_power_up(struct mvpp2_port *port)
4672 struct mvpp2 *priv = port->priv;
4674 /* On PPv2.2 the GoP / interface configuration has already been done */
4675 if (priv->hw_version == MVPP21)
4676 mvpp2_port_mii_set(port);
4677 mvpp2_port_periodic_xon_disable(port);
4678 if (priv->hw_version == MVPP21)
4679 mvpp2_port_fc_adv_enable(port);
4680 mvpp2_port_reset(port);
4683 /* Initialize port HW */
4684 static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
4686 struct mvpp2 *priv = port->priv;
4687 struct mvpp2_txq_pcpu *txq_pcpu;
4688 int queue, cpu, err;
4690 if (port->first_rxq + rxq_number >
4691 MVPP2_MAX_PORTS * priv->max_port_rxqs)
4695 mvpp2_egress_disable(port);
4696 if (priv->hw_version == MVPP21)
4697 mvpp2_port_disable(port);
4699 gop_port_enable(port, 0);
4701 port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs),
4706 /* Associate physical Tx queues to this port and initialize.
4707 * The mapping is predefined.
4709 for (queue = 0; queue < txq_number; queue++) {
4710 int queue_phy_id = mvpp2_txq_phys(port->id, queue);
4711 struct mvpp2_tx_queue *txq;
4713 txq = devm_kzalloc(dev, sizeof(*txq), GFP_KERNEL);
4717 txq->pcpu = devm_kzalloc(dev, sizeof(struct mvpp2_txq_pcpu),
4722 txq->id = queue_phy_id;
4723 txq->log_id = queue;
4724 txq->done_pkts_coal = MVPP2_TXDONE_COAL_PKTS_THRESH;
4725 for_each_present_cpu(cpu) {
4726 txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
4727 txq_pcpu->cpu = cpu;
4730 port->txqs[queue] = txq;
4733 port->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*port->rxqs),
4738 /* Allocate and initialize Rx queue for this port */
4739 for (queue = 0; queue < rxq_number; queue++) {
4740 struct mvpp2_rx_queue *rxq;
4742 /* Map physical Rx queue to port's logical Rx queue */
4743 rxq = devm_kzalloc(dev, sizeof(*rxq), GFP_KERNEL);
4746 /* Map this Rx queue to a physical queue */
4747 rxq->id = port->first_rxq + queue;
4748 rxq->port = port->id;
4749 rxq->logic_rxq = queue;
4751 port->rxqs[queue] = rxq;
4755 /* Create Rx descriptor rings */
4756 for (queue = 0; queue < rxq_number; queue++) {
4757 struct mvpp2_rx_queue *rxq = port->rxqs[queue];
4759 rxq->size = port->rx_ring_size;
4760 rxq->pkts_coal = MVPP2_RX_COAL_PKTS;
4761 rxq->time_coal = MVPP2_RX_COAL_USEC;
4764 mvpp2_ingress_disable(port);
4766 /* Port default configuration */
4767 mvpp2_defaults_set(port);
4769 /* Port's classifier configuration */
4770 mvpp2_cls_oversize_rxq_set(port);
4771 mvpp2_cls_port_config(port);
4773 /* Provide an initial Rx packet size */
4774 port->pkt_size = MVPP2_RX_PKT_SIZE(PKTSIZE_ALIGN);
4776 /* Initialize pools for swf */
4777 err = mvpp2_swf_bm_pool_init(port);
4784 static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
4786 int port_node = dev_of_offset(dev);
4793 phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
4794 fixed_link = fdt_subnode_offset(gd->fdt_blob, port_node, "fixed-link");
4799 if (fixed_link != -FDT_ERR_NOTFOUND) {
4800 /* phy_addr is set to invalid value for fixed links */
4801 phyaddr = PHY_MAX_ADDR;
4803 phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node,
4806 dev_err(dev, "could not find phy address\n");
4810 parent = fdt_parent_offset(gd->fdt_blob, phy_node);
4811 ret = uclass_get_device_by_of_offset(UCLASS_MDIO, parent,
4816 /* phy_addr is set to invalid value */
4817 phyaddr = PHY_MAX_ADDR;
4820 port->phy_interface = dev_read_phy_mode(dev);
4821 if (port->phy_interface == PHY_INTERFACE_MODE_NA) {
4822 dev_err(dev, "incorrect phy mode\n");
4826 id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1);
4828 dev_err(dev, "missing port-id value\n");
4832 #if CONFIG_IS_ENABLED(DM_GPIO)
4833 gpio_request_by_name(dev, "phy-reset-gpios", 0,
4834 &port->phy_reset_gpio, GPIOD_IS_OUT);
4835 gpio_request_by_name(dev, "marvell,sfp-tx-disable-gpio", 0,
4836 &port->phy_tx_disable_gpio, GPIOD_IS_OUT);
4840 if (port->priv->hw_version == MVPP21)
4841 port->first_rxq = port->id * rxq_number;
4843 port->first_rxq = port->id * port->priv->max_port_rxqs;
4844 port->phyaddr = phyaddr;
4849 #if CONFIG_IS_ENABLED(DM_GPIO)
4850 /* Port GPIO initialization */
4851 static void mvpp2_gpio_init(struct mvpp2_port *port)
4853 if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
4854 dm_gpio_set_value(&port->phy_reset_gpio, 1);
4856 dm_gpio_set_value(&port->phy_reset_gpio, 0);
4859 if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
4860 dm_gpio_set_value(&port->phy_tx_disable_gpio, 0);
4864 /* Ports initialization */
4865 static int mvpp2_port_probe(struct udevice *dev,
4866 struct mvpp2_port *port,
4872 port->tx_ring_size = MVPP2_MAX_TXD;
4873 port->rx_ring_size = MVPP2_MAX_RXD;
4875 err = mvpp2_port_init(dev, port);
4877 dev_err(dev, "failed to init port %d\n", port->id);
4880 mvpp2_port_power_up(port);
4882 #if CONFIG_IS_ENABLED(DM_GPIO)
4883 mvpp2_gpio_init(port);
4886 priv->port_list[port->id] = port;
4891 /* Initialize decoding windows */
4892 static void mvpp2_conf_mbus_windows(const struct mbus_dram_target_info *dram,
4898 for (i = 0; i < 6; i++) {
4899 mvpp2_write(priv, MVPP2_WIN_BASE(i), 0);
4900 mvpp2_write(priv, MVPP2_WIN_SIZE(i), 0);
4903 mvpp2_write(priv, MVPP2_WIN_REMAP(i), 0);
4908 for (i = 0; i < dram->num_cs; i++) {
4909 const struct mbus_dram_window *cs = dram->cs + i;
4911 mvpp2_write(priv, MVPP2_WIN_BASE(i),
4912 (cs->base & 0xffff0000) | (cs->mbus_attr << 8) |
4913 dram->mbus_dram_target_id);
4915 mvpp2_write(priv, MVPP2_WIN_SIZE(i),
4916 (cs->size - 1) & 0xffff0000);
4918 win_enable |= (1 << i);
4921 mvpp2_write(priv, MVPP2_BASE_ADDR_ENABLE, win_enable);
4924 /* Initialize Rx FIFO's */
4925 static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
4929 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4930 if (priv->hw_version == MVPP22) {
4933 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4934 MVPP22_RX_FIFO_10GB_PORT_DATA_SIZE);
4936 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4937 MVPP22_RX_FIFO_10GB_PORT_ATTR_SIZE);
4938 } else if (port == 1) {
4940 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4941 MVPP22_RX_FIFO_2_5GB_PORT_DATA_SIZE);
4943 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4944 MVPP22_RX_FIFO_2_5GB_PORT_ATTR_SIZE);
4947 MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4948 MVPP22_RX_FIFO_1GB_PORT_DATA_SIZE);
4950 MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4951 MVPP22_RX_FIFO_1GB_PORT_ATTR_SIZE);
4954 mvpp2_write(priv, MVPP2_RX_DATA_FIFO_SIZE_REG(port),
4955 MVPP21_RX_FIFO_PORT_DATA_SIZE);
4956 mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port),
4957 MVPP21_RX_FIFO_PORT_ATTR_SIZE);
4961 mvpp2_write(priv, MVPP2_RX_MIN_PKT_SIZE_REG,
4962 MVPP2_RX_FIFO_PORT_MIN_PKT);
4963 mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
4966 /* Initialize Tx FIFO's */
4967 static void mvpp2_tx_fifo_init(struct mvpp2 *priv)
4971 for (port = 0; port < MVPP2_MAX_PORTS; port++) {
4972 /* Port 0 supports 10KB TX FIFO */
4974 val = MVPP2_TX_FIFO_DATA_SIZE_10KB &
4975 MVPP22_TX_FIFO_SIZE_MASK;
4977 val = MVPP2_TX_FIFO_DATA_SIZE_3KB &
4978 MVPP22_TX_FIFO_SIZE_MASK;
4980 mvpp2_write(priv, MVPP22_TX_FIFO_SIZE_REG(port), val);
4984 static void mvpp2_axi_init(struct mvpp2 *priv)
4986 u32 val, rdval, wrval;
4988 mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
4990 /* AXI Bridge Configuration */
4992 rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
4993 << MVPP22_AXI_ATTR_CACHE_OFFS;
4994 rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
4995 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
4997 wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
4998 << MVPP22_AXI_ATTR_CACHE_OFFS;
4999 wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
5000 << MVPP22_AXI_ATTR_DOMAIN_OFFS;
5003 mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
5004 mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
5007 mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
5008 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
5009 mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
5010 mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
5013 mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
5014 mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
5016 val = MVPP22_AXI_CODE_CACHE_NON_CACHE
5017 << MVPP22_AXI_CODE_CACHE_OFFS;
5018 val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
5019 << MVPP22_AXI_CODE_DOMAIN_OFFS;
5020 mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
5021 mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
5023 val = MVPP22_AXI_CODE_CACHE_RD_CACHE
5024 << MVPP22_AXI_CODE_CACHE_OFFS;
5025 val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
5026 << MVPP22_AXI_CODE_DOMAIN_OFFS;
5028 mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
5030 val = MVPP22_AXI_CODE_CACHE_WR_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_WR_SNOOP_CODE_REG, val);
5038 /* Initialize network controller common part HW */
5039 static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
5041 const struct mbus_dram_target_info *dram_target_info;
5045 /* Checks for hardware constraints (U-Boot uses only one rxq) */
5046 if ((rxq_number > priv->max_port_rxqs) ||
5047 (txq_number > MVPP2_MAX_TXQ)) {
5048 dev_err(dev, "invalid queue size parameter\n");
5052 if (priv->hw_version == MVPP22)
5053 mvpp2_axi_init(priv);
5055 /* MBUS windows configuration */
5056 dram_target_info = mvebu_mbus_dram_info();
5057 if (dram_target_info)
5058 mvpp2_conf_mbus_windows(dram_target_info, priv);
5061 if (priv->hw_version == MVPP21) {
5062 /* Disable HW PHY polling */
5063 val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
5064 val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
5065 writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
5067 /* Enable HW PHY polling */
5068 val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5069 val |= MVPP22_SMI_POLLING_EN;
5070 writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
5073 /* Allocate and initialize aggregated TXQs */
5074 priv->aggr_txqs = devm_kcalloc(dev, num_present_cpus(),
5075 sizeof(struct mvpp2_tx_queue),
5077 if (!priv->aggr_txqs)
5080 for_each_present_cpu(i) {
5081 priv->aggr_txqs[i].id = i;
5082 priv->aggr_txqs[i].size = MVPP2_AGGR_TXQ_SIZE;
5083 err = mvpp2_aggr_txq_init(dev, &priv->aggr_txqs[i],
5084 MVPP2_AGGR_TXQ_SIZE, i, priv);
5090 mvpp2_rx_fifo_init(priv);
5093 if (priv->hw_version == MVPP22)
5094 mvpp2_tx_fifo_init(priv);
5096 if (priv->hw_version == MVPP21)
5097 writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
5098 priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
5100 /* Allow cache snoop when transmiting packets */
5101 mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
5103 /* Buffer Manager initialization */
5104 err = mvpp2_bm_init(dev, priv);
5108 /* Parser default initialization */
5109 err = mvpp2_prs_default_init(dev, priv);
5113 /* Classifier default initialization */
5114 mvpp2_cls_init(priv);
5119 static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
5121 struct mvpp2_port *port = dev_get_priv(dev);
5122 struct mvpp2_rx_desc *rx_desc;
5123 struct mvpp2_bm_pool *bm_pool;
5124 dma_addr_t dma_addr;
5126 int pool, rx_bytes, err;
5128 struct mvpp2_rx_queue *rxq;
5131 if (port->phyaddr < PHY_MAX_ADDR)
5132 if (!port->phy_dev->link)
5135 /* Process RX packets */
5136 rxq = port->rxqs[0];
5138 /* Get number of received packets and clamp the to-do */
5139 rx_received = mvpp2_rxq_received(port, rxq->id);
5141 /* Return if no packets are received */
5145 rx_desc = mvpp2_rxq_next_desc_get(rxq);
5146 rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
5147 rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
5148 rx_bytes -= MVPP2_MH_SIZE;
5149 dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
5151 bm = mvpp2_bm_cookie_build(port, rx_desc);
5152 pool = mvpp2_bm_cookie_pool_get(bm);
5153 bm_pool = &port->priv->bm_pools[pool];
5155 /* In case of an error, release the requested buffer pointer
5156 * to the Buffer Manager. This request process is controlled
5157 * by the hardware, and the information about the buffer is
5158 * comprised by the RX descriptor.
5160 if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
5161 mvpp2_rx_error(port, rx_desc);
5162 /* Return the buffer to the pool */
5163 mvpp2_pool_refill(port, bm, dma_addr, dma_addr);
5167 err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr);
5169 dev_err(port->phy_dev->dev, "failed to refill BM pools\n");
5173 /* Update Rx queue management counters */
5175 mvpp2_rxq_status_update(port, rxq->id, 1, 1);
5177 /* give packet to stack - skip on first n bytes */
5178 data = (u8 *)dma_addr + 2 + 32;
5184 * No cache invalidation needed here, since the rx_buffer's are
5185 * located in a uncached memory region
5192 static int mvpp2_send(struct udevice *dev, void *packet, int length)
5194 struct mvpp2_port *port = dev_get_priv(dev);
5195 struct mvpp2_tx_queue *txq, *aggr_txq;
5196 struct mvpp2_tx_desc *tx_desc;
5200 if (port->phyaddr < PHY_MAX_ADDR)
5201 if (!port->phy_dev->link)
5204 txq = port->txqs[0];
5205 aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
5207 /* Get a descriptor for the first part of the packet */
5208 tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
5209 mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
5210 mvpp2_txdesc_size_set(port, tx_desc, length);
5211 mvpp2_txdesc_offset_set(port, tx_desc,
5212 (dma_addr_t)packet & MVPP2_TX_DESC_ALIGN);
5213 mvpp2_txdesc_dma_addr_set(port, tx_desc,
5214 (dma_addr_t)packet & ~MVPP2_TX_DESC_ALIGN);
5215 /* First and Last descriptor */
5216 mvpp2_txdesc_cmd_set(port, tx_desc,
5217 MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE
5218 | MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC);
5221 flush_dcache_range((unsigned long)packet,
5222 (unsigned long)packet + ALIGN(length, PKTALIGN));
5224 /* Enable transmit */
5226 mvpp2_aggr_txq_pend_desc_add(port, 1);
5228 mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
5232 if (timeout++ > 10000) {
5233 printf("timeout: packet not sent from aggregated to phys TXQ\n");
5236 tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
5241 if (timeout++ > 10000) {
5242 printf("timeout: packet not sent\n");
5245 tx_done = mvpp2_txq_sent_desc_proc(port, txq);
5251 static int mvpp2_start(struct udevice *dev)
5253 struct eth_pdata *pdata = dev_get_plat(dev);
5254 struct mvpp2_port *port = dev_get_priv(dev);
5256 /* Load current MAC address */
5257 memcpy(port->dev_addr, pdata->enetaddr, ETH_ALEN);
5259 /* Reconfigure parser accept the original MAC address */
5260 mvpp2_prs_update_mac_da(port, port->dev_addr);
5262 switch (port->phy_interface) {
5263 case PHY_INTERFACE_MODE_RGMII:
5264 case PHY_INTERFACE_MODE_RGMII_ID:
5265 case PHY_INTERFACE_MODE_SGMII:
5266 case PHY_INTERFACE_MODE_SGMII_2500:
5267 case PHY_INTERFACE_MODE_1000BASEX:
5268 case PHY_INTERFACE_MODE_2500BASEX:
5269 mvpp2_port_power_up(port);
5274 mvpp2_open(dev, port);
5279 static void mvpp2_stop(struct udevice *dev)
5281 struct mvpp2_port *port = dev_get_priv(dev);
5283 mvpp2_stop_dev(port);
5284 mvpp2_cleanup_rxqs(port);
5285 mvpp2_cleanup_txqs(port);
5288 static int mvpp2_write_hwaddr(struct udevice *dev)
5290 struct mvpp2_port *port = dev_get_priv(dev);
5292 return mvpp2_prs_update_mac_da(port, port->dev_addr);
5295 static int mvpp2_base_probe(struct udevice *dev)
5297 struct mvpp2 *priv = dev_get_priv(dev);
5302 /* Save hw-version */
5303 priv->hw_version = dev_get_driver_data(dev);
5306 * U-Boot special buffer handling:
5308 * Allocate buffer area for descs and rx_buffers. This is only
5309 * done once for all interfaces. As only one interface can
5310 * be active. Make this area DMA-safe by disabling the D-cache
5313 if (!buffer_loc_init) {
5314 /* Align buffer area for descs and rx_buffers to 1MiB */
5315 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
5316 mmu_set_region_dcache_behaviour((unsigned long)bd_space,
5317 BD_SPACE, DCACHE_OFF);
5319 buffer_loc.aggr_tx_descs = (struct mvpp2_tx_desc *)bd_space;
5320 size += MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE;
5322 buffer_loc.tx_descs =
5323 (struct mvpp2_tx_desc *)((unsigned long)bd_space + size);
5324 size += MVPP2_MAX_TXD * MVPP2_DESC_ALIGNED_SIZE;
5326 buffer_loc.rx_descs =
5327 (struct mvpp2_rx_desc *)((unsigned long)bd_space + size);
5328 size += MVPP2_MAX_RXD * MVPP2_DESC_ALIGNED_SIZE;
5330 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
5331 buffer_loc.bm_pool[i] =
5332 (unsigned long *)((unsigned long)bd_space + size);
5333 if (priv->hw_version == MVPP21)
5334 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
5336 size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
5339 for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {
5340 buffer_loc.rx_buffer[i] =
5341 (unsigned long *)((unsigned long)bd_space + size);
5342 size += RX_BUFFER_SIZE;
5345 /* Clear the complete area so that all descriptors are cleared */
5346 memset(bd_space, 0, size);
5348 buffer_loc_init = 1;
5351 /* Save base addresses for later use */
5352 priv->base = (void *)devfdt_get_addr_index(dev, 0);
5353 if (IS_ERR(priv->base))
5354 return PTR_ERR(priv->base);
5356 if (priv->hw_version == MVPP21) {
5357 priv->lms_base = (void *)devfdt_get_addr_index(dev, 1);
5358 if (IS_ERR(priv->lms_base))
5359 return PTR_ERR(priv->lms_base);
5361 priv->iface_base = (void *)devfdt_get_addr_index(dev, 1);
5362 if (IS_ERR(priv->iface_base))
5363 return PTR_ERR(priv->iface_base);
5365 /* Store common base addresses for all ports */
5366 priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
5367 priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
5368 priv->rfu1_base = priv->iface_base + MVPP22_RFU1;
5371 if (priv->hw_version == MVPP21)
5372 priv->max_port_rxqs = 8;
5374 priv->max_port_rxqs = 32;
5379 static int mvpp2_probe(struct udevice *dev)
5381 struct mvpp2_port *port = dev_get_priv(dev);
5382 struct mvpp2 *priv = dev_get_priv(dev->parent);
5385 /* Only call the probe function for the parent once */
5386 if (!priv->probe_done)
5387 err = mvpp2_base_probe(dev->parent);
5391 err = phy_info_parse(dev, port);
5396 * We need the port specific io base addresses at this stage, since
5397 * gop_port_init() accesses these registers
5399 if (priv->hw_version == MVPP21) {
5400 int priv_common_regs_num = 2;
5402 port->base = (void __iomem *)devfdt_get_addr_index(
5403 dev->parent, priv_common_regs_num + port->id);
5404 if (IS_ERR(port->base))
5405 return PTR_ERR(port->base);
5407 port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
5409 if (port->id == -1) {
5410 dev_err(dev, "missing gop-port-id value\n");
5414 port->base = priv->iface_base + MVPP22_PORT_BASE +
5415 port->gop_id * MVPP22_PORT_OFFSET;
5418 gop_port_init(port);
5421 if (!priv->probe_done) {
5422 /* Initialize network controller */
5423 err = mvpp2_init(dev, priv);
5425 dev_err(dev, "failed to initialize controller\n");
5428 priv->num_ports = 0;
5429 priv->probe_done = 1;
5432 err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
5436 if (priv->hw_version == MVPP22) {
5437 priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id,
5438 port->phy_interface);
5440 /* Netcomplex configurations for all ports */
5441 gop_netc_init(priv, MV_NETC_FIRST_PHASE);
5442 gop_netc_init(priv, MV_NETC_SECOND_PHASE);
5449 * Empty BM pool and stop its activity before the OS is started
5451 static int mvpp2_remove(struct udevice *dev)
5453 struct mvpp2_port *port = dev_get_priv(dev);
5454 struct mvpp2 *priv = port->priv;
5459 if (priv->num_ports)
5462 for (i = 0; i < MVPP2_BM_POOLS_NUM; i++)
5463 mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
5468 static const struct eth_ops mvpp2_ops = {
5469 .start = mvpp2_start,
5473 .write_hwaddr = mvpp2_write_hwaddr
5476 static struct driver mvpp2_driver = {
5479 .probe = mvpp2_probe,
5480 .remove = mvpp2_remove,
5482 .priv_auto = sizeof(struct mvpp2_port),
5483 .plat_auto = sizeof(struct eth_pdata),
5484 .flags = DM_FLAG_ACTIVE_DMA,
5488 * Use a MISC device to bind the n instances (child nodes) of the
5489 * network base controller in UCLASS_ETH.
5491 static int mvpp2_base_bind(struct udevice *parent)
5493 const void *blob = gd->fdt_blob;
5494 int node = dev_of_offset(parent);
5495 struct uclass_driver *drv;
5496 struct udevice *dev;
5497 struct eth_pdata *plat;
5503 /* Lookup eth driver */
5504 drv = lists_uclass_lookup(UCLASS_ETH);
5506 puts("Cannot find eth driver\n");
5510 base_id_add = base_id;
5512 fdt_for_each_subnode(subnode, blob, node) {
5513 /* Increment base_id for all subnodes, also the disabled ones */
5516 /* Skip disabled ports */
5517 if (!fdtdec_get_is_enabled(blob, subnode))
5520 plat = calloc(1, sizeof(*plat));
5524 id = fdtdec_get_int(blob, subnode, "port-id", -1);
5527 name = calloc(1, 16);
5532 sprintf(name, "mvpp2-%d", id);
5534 /* Create child device UCLASS_ETH and bind it */
5535 device_bind(parent, &mvpp2_driver, name, plat,
5536 offset_to_ofnode(subnode), &dev);
5542 static const struct udevice_id mvpp2_ids[] = {
5544 .compatible = "marvell,armada-375-pp2",
5548 .compatible = "marvell,armada-7k-pp22",
5554 U_BOOT_DRIVER(mvpp2_base) = {
5555 .name = "mvpp2_base",
5557 .of_match = mvpp2_ids,
5558 .bind = mvpp2_base_bind,
5559 .priv_auto = sizeof(struct mvpp2),