1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
5 * Dave Liu <daveliu@freescale.com>
6 * based on source code of Shlomi Gridish
14 #include <linux/immap_qe.h>
17 #define QE_NUM_OF_BRGS 16
20 #define QE_DATAONLY_BASE 0
21 #define QE_DATAONLY_SIZE (QE_MURAM_SIZE - QE_DATAONLY_BASE)
25 typedef enum qe_snum_state {
26 QE_SNUM_STATE_USED, /* used */
27 QE_SNUM_STATE_FREE /* free */
30 typedef struct qe_snum {
32 qe_snum_state_e state; /* state */
37 #define QE_RISC_ALLOCATION_RISC1 0x1 /* RISC 1 */
38 #define QE_RISC_ALLOCATION_RISC2 0x2 /* RISC 2 */
39 #define QE_RISC_ALLOCATION_RISC3 0x4 /* RISC 3 */
40 #define QE_RISC_ALLOCATION_RISC4 0x8 /* RISC 4 */
41 #define QE_RISC_ALLOCATION_RISC1_AND_RISC2 (QE_RISC_ALLOCATION_RISC1 | \
42 QE_RISC_ALLOCATION_RISC2)
43 #define QE_RISC_ALLOCATION_FOUR_RISCS (QE_RISC_ALLOCATION_RISC1 | \
44 QE_RISC_ALLOCATION_RISC2 | \
45 QE_RISC_ALLOCATION_RISC3 | \
46 QE_RISC_ALLOCATION_RISC4)
48 /* QE CECR commands for UCC fast.
50 #define QE_CR_FLG 0x00010000
51 #define QE_RESET 0x80000000
52 #define QE_INIT_TX_RX 0x00000000
53 #define QE_INIT_RX 0x00000001
54 #define QE_INIT_TX 0x00000002
55 #define QE_ENTER_HUNT_MODE 0x00000003
56 #define QE_STOP_TX 0x00000004
57 #define QE_GRACEFUL_STOP_TX 0x00000005
58 #define QE_RESTART_TX 0x00000006
59 #define QE_SWITCH_COMMAND 0x00000007
60 #define QE_SET_GROUP_ADDRESS 0x00000008
61 #define QE_INSERT_CELL 0x00000009
62 #define QE_ATM_TRANSMIT 0x0000000a
63 #define QE_CELL_POOL_GET 0x0000000b
64 #define QE_CELL_POOL_PUT 0x0000000c
65 #define QE_IMA_HOST_CMD 0x0000000d
66 #define QE_ATM_MULTI_THREAD_INIT 0x00000011
67 #define QE_ASSIGN_PAGE 0x00000012
68 #define QE_START_FLOW_CONTROL 0x00000014
69 #define QE_STOP_FLOW_CONTROL 0x00000015
70 #define QE_ASSIGN_PAGE_TO_DEVICE 0x00000016
71 #define QE_GRACEFUL_STOP_RX 0x0000001a
72 #define QE_RESTART_RX 0x0000001b
74 /* QE CECR Sub Block Code - sub block code of QE command.
76 #define QE_CR_SUBBLOCK_INVALID 0x00000000
77 #define QE_CR_SUBBLOCK_USB 0x03200000
78 #define QE_CR_SUBBLOCK_UCCFAST1 0x02000000
79 #define QE_CR_SUBBLOCK_UCCFAST2 0x02200000
80 #define QE_CR_SUBBLOCK_UCCFAST3 0x02400000
81 #define QE_CR_SUBBLOCK_UCCFAST4 0x02600000
82 #define QE_CR_SUBBLOCK_UCCFAST5 0x02800000
83 #define QE_CR_SUBBLOCK_UCCFAST6 0x02a00000
84 #define QE_CR_SUBBLOCK_UCCFAST7 0x02c00000
85 #define QE_CR_SUBBLOCK_UCCFAST8 0x02e00000
86 #define QE_CR_SUBBLOCK_UCCSLOW1 0x00000000
87 #define QE_CR_SUBBLOCK_UCCSLOW2 0x00200000
88 #define QE_CR_SUBBLOCK_UCCSLOW3 0x00400000
89 #define QE_CR_SUBBLOCK_UCCSLOW4 0x00600000
90 #define QE_CR_SUBBLOCK_UCCSLOW5 0x00800000
91 #define QE_CR_SUBBLOCK_UCCSLOW6 0x00a00000
92 #define QE_CR_SUBBLOCK_UCCSLOW7 0x00c00000
93 #define QE_CR_SUBBLOCK_UCCSLOW8 0x00e00000
94 #define QE_CR_SUBBLOCK_MCC1 0x03800000
95 #define QE_CR_SUBBLOCK_MCC2 0x03a00000
96 #define QE_CR_SUBBLOCK_MCC3 0x03000000
97 #define QE_CR_SUBBLOCK_IDMA1 0x02800000
98 #define QE_CR_SUBBLOCK_IDMA2 0x02a00000
99 #define QE_CR_SUBBLOCK_IDMA3 0x02c00000
100 #define QE_CR_SUBBLOCK_IDMA4 0x02e00000
101 #define QE_CR_SUBBLOCK_HPAC 0x01e00000
102 #define QE_CR_SUBBLOCK_SPI1 0x01400000
103 #define QE_CR_SUBBLOCK_SPI2 0x01600000
104 #define QE_CR_SUBBLOCK_RAND 0x01c00000
105 #define QE_CR_SUBBLOCK_TIMER 0x01e00000
106 #define QE_CR_SUBBLOCK_GENERAL 0x03c00000
108 /* QE CECR Protocol - For non-MCC, specifies mode for QE CECR command.
110 #define QE_CR_PROTOCOL_UNSPECIFIED 0x00 /* For all other protocols */
111 #define QE_CR_PROTOCOL_HDLC_TRANSPARENT 0x00
112 #define QE_CR_PROTOCOL_ATM_POS 0x0A
113 #define QE_CR_PROTOCOL_ETHERNET 0x0C
114 #define QE_CR_PROTOCOL_L2_SWITCH 0x0D
115 #define QE_CR_PROTOCOL_SHIFT 6
117 /* QE ASSIGN PAGE command
119 #define QE_CR_ASSIGN_PAGE_SNUM_SHIFT 17
121 /* Communication Direction.
123 typedef enum comm_dir {
127 COMM_DIR_RX_AND_TX = 3
132 typedef enum qe_clock {
134 QE_BRG1, /* Baud Rate Generator 1 */
135 QE_BRG2, /* Baud Rate Generator 2 */
136 QE_BRG3, /* Baud Rate Generator 3 */
137 QE_BRG4, /* Baud Rate Generator 4 */
138 QE_BRG5, /* Baud Rate Generator 5 */
139 QE_BRG6, /* Baud Rate Generator 6 */
140 QE_BRG7, /* Baud Rate Generator 7 */
141 QE_BRG8, /* Baud Rate Generator 8 */
142 QE_BRG9, /* Baud Rate Generator 9 */
143 QE_BRG10, /* Baud Rate Generator 10 */
144 QE_BRG11, /* Baud Rate Generator 11 */
145 QE_BRG12, /* Baud Rate Generator 12 */
146 QE_BRG13, /* Baud Rate Generator 13 */
147 QE_BRG14, /* Baud Rate Generator 14 */
148 QE_BRG15, /* Baud Rate Generator 15 */
149 QE_BRG16, /* Baud Rate Generator 16 */
150 QE_CLK1, /* Clock 1 */
151 QE_CLK2, /* Clock 2 */
152 QE_CLK3, /* Clock 3 */
153 QE_CLK4, /* Clock 4 */
154 QE_CLK5, /* Clock 5 */
155 QE_CLK6, /* Clock 6 */
156 QE_CLK7, /* Clock 7 */
157 QE_CLK8, /* Clock 8 */
158 QE_CLK9, /* Clock 9 */
159 QE_CLK10, /* Clock 10 */
160 QE_CLK11, /* Clock 11 */
161 QE_CLK12, /* Clock 12 */
162 QE_CLK13, /* Clock 13 */
163 QE_CLK14, /* Clock 14 */
164 QE_CLK15, /* Clock 15 */
165 QE_CLK16, /* Clock 16 */
166 QE_CLK17, /* Clock 17 */
167 QE_CLK18, /* Clock 18 */
168 QE_CLK19, /* Clock 19 */
169 QE_CLK20, /* Clock 20 */
170 QE_CLK21, /* Clock 21 */
171 QE_CLK22, /* Clock 22 */
172 QE_CLK23, /* Clock 23 */
173 QE_CLK24, /* Clock 24 */
177 /* QE CMXGCR register
179 #define QE_CMXGCR_MII_ENET_MNG_MASK 0x00007000
180 #define QE_CMXGCR_MII_ENET_MNG_SHIFT 12
182 /* QE CMXUCR registers
184 #define QE_CMXUCR_TX_CLK_SRC_MASK 0x0000000F
186 /* QE BRG configuration register
188 #define QE_BRGC_ENABLE 0x00010000
189 #define QE_BRGC_DIVISOR_SHIFT 1
190 #define QE_BRGC_DIVISOR_MAX 0xFFF
191 #define QE_BRGC_DIV16 1
195 #define QE_SDSR_BER1 0x02000000
196 #define QE_SDSR_BER2 0x01000000
198 #define QE_SDMR_GLB_1_MSK 0x80000000
199 #define QE_SDMR_ADR_SEL 0x20000000
200 #define QE_SDMR_BER1_MSK 0x02000000
201 #define QE_SDMR_BER2_MSK 0x01000000
202 #define QE_SDMR_EB1_MSK 0x00800000
203 #define QE_SDMR_ER1_MSK 0x00080000
204 #define QE_SDMR_ER2_MSK 0x00040000
205 #define QE_SDMR_CEN_MASK 0x0000E000
206 #define QE_SDMR_SBER_1 0x00000200
207 #define QE_SDMR_SBER_2 0x00000200
208 #define QE_SDMR_EB1_PR_MASK 0x000000C0
209 #define QE_SDMR_ER1_PR 0x00000008
211 #define QE_SDMR_CEN_SHIFT 13
212 #define QE_SDMR_EB1_PR_SHIFT 6
214 #define QE_SDTM_MSNUM_SHIFT 24
216 #define QE_SDEBCR_BA_MASK 0x01FFFFFF
218 /* Communication Processor */
219 #define QE_CP_CERCR_MEE 0x8000 /* Multi-user RAM ECC enable */
220 #define QE_CP_CERCR_IEE 0x4000 /* Instruction RAM ECC enable */
221 #define QE_CP_CERCR_CIR 0x0800 /* Common instruction RAM */
224 #define QE_IRAM_IADD_AIE 0x80000000 /* Auto Increment Enable */
225 #define QE_IRAM_IADD_BADDR 0x00080000 /* Base Address */
226 #define QE_IRAM_READY 0x80000000
228 /* Structure that defines QE firmware binary files.
230 * See Documentation/powerpc/qe_firmware.rst in the Linux kernel tree for
231 * a description of these fields.
235 u32 length; /* Length of the entire structure, in bytes */
236 u8 magic[3]; /* Set to { 'Q', 'E', 'F' } */
237 u8 version; /* Version of this layout. First ver is '1' */
239 u8 id[62]; /* Null-terminated identifier string */
240 u8 split; /* 0 = shared I-RAM, 1 = split I-RAM */
241 u8 count; /* Number of microcode[] structures */
243 u16 model; /* The SOC model */
244 u8 major; /* The SOC revision major */
245 u8 minor; /* The SOC revision minor */
246 } __attribute__ ((packed)) soc;
247 u8 padding[4]; /* Reserved, for alignment */
248 u64 extended_modes; /* Extended modes */
249 u32 vtraps[8]; /* Virtual trap addresses */
250 u8 reserved[4]; /* Reserved, for future expansion */
251 struct qe_microcode {
252 u8 id[32]; /* Null-terminated identifier */
253 u32 traps[16]; /* Trap addresses, 0 == ignore */
254 u32 eccr; /* The value for the ECCR register */
255 u32 iram_offset;/* Offset into I-RAM for the code */
256 u32 count; /* Number of 32-bit words of the code */
257 u32 code_offset;/* Offset of the actual microcode */
258 u8 major; /* The microcode version major */
259 u8 minor; /* The microcode version minor */
260 u8 revision; /* The microcode version revision */
261 u8 padding; /* Reserved, for alignment */
262 u8 reserved[4]; /* Reserved, for future expansion */
263 } __attribute__ ((packed)) microcode[1];
264 /* All microcode binaries should be located here */
265 /* CRC32 should be located here, after the microcode binaries */
266 } __attribute__ ((packed));
268 struct qe_firmware_info {
269 char id[64]; /* Firmware name */
270 u32 vtraps[8]; /* Virtual trap addresses */
271 u64 extended_modes; /* Extended modes */
274 void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign);
275 void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data);
276 uint qe_muram_alloc(uint size, uint align);
277 void *qe_muram_addr(uint offset);
278 int qe_get_snum(void);
279 void qe_put_snum(u8 snum);
280 void qe_init(uint qe_base);
282 void qe_assign_page(uint snum, uint para_ram_base);
283 int qe_set_brg(uint brg, uint rate);
284 int qe_set_mii_clk_src(int ucc_num);
285 int qe_upload_firmware(const struct qe_firmware *firmware);
286 struct qe_firmware_info *qe_get_firmware_info(void);
287 void ft_qe_setup(void *blob);
288 void qe_init(uint qe_base);
292 void u_qe_init(void);
293 int u_qe_upload_firmware(const struct qe_firmware *firmware);
294 void u_qe_resume(void);
295 int u_qe_firmware_resume(const struct qe_firmware *firmware,
299 #endif /* __QE_H__ */