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Tom Rini83d290c2018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Dave Liu7737d5c2006-11-03 12:11:15 -06002/*
Haiying Wang7211fbf2009-05-21 15:34:14 -04003 * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
Dave Liu7737d5c2006-11-03 12:11:15 -06004 *
5 * Dave Liu <daveliu@freescale.com>
6 * based on source code of Shlomi Gridish
Dave Liu7737d5c2006-11-03 12:11:15 -06007 */
8
9#ifndef __QE_H__
10#define __QE_H__
11
Zhao Qiangae42eb02015-03-25 17:02:59 +080012#ifdef CONFIG_U_QE
13#include <linux/immap_qe.h>
14#endif
Dave Liu7737d5c2006-11-03 12:11:15 -060015
Dave Liu7737d5c2006-11-03 12:11:15 -060016#define QE_NUM_OF_BRGS 16
17#define UCC_MAX_NUM 8
18
Dave Liuff9658d2007-06-25 10:41:04 +080019#define QE_DATAONLY_BASE 0
Dave Liu24c3aca2006-12-07 21:13:15 +080020#define QE_DATAONLY_SIZE (QE_MURAM_SIZE - QE_DATAONLY_BASE)
Dave Liu7737d5c2006-11-03 12:11:15 -060021
Simon Glass401d1c42020-10-30 21:38:53 -060022struct udevice;
23
Dave Liu7737d5c2006-11-03 12:11:15 -060024/* QE threads SNUM
25*/
26typedef enum qe_snum_state {
27 QE_SNUM_STATE_USED, /* used */
28 QE_SNUM_STATE_FREE /* free */
29} qe_snum_state_e;
30
31typedef struct qe_snum {
Wolfgang Denk53677ef2008-05-20 16:00:29 +020032 u8 num; /* snum */
Dave Liu7737d5c2006-11-03 12:11:15 -060033 qe_snum_state_e state; /* state */
34} qe_snum_t;
35
36/* QE RISC allocation
37*/
Haiying Wang7211fbf2009-05-21 15:34:14 -040038#define QE_RISC_ALLOCATION_RISC1 0x1 /* RISC 1 */
39#define QE_RISC_ALLOCATION_RISC2 0x2 /* RISC 2 */
40#define QE_RISC_ALLOCATION_RISC3 0x4 /* RISC 3 */
41#define QE_RISC_ALLOCATION_RISC4 0x8 /* RISC 4 */
Wolfgang Denk0cf207e2021-09-27 17:42:39 +020042#define QE_RISC_ALLOCATION_RISC1_AND_RISC2 (QE_RISC_ALLOCATION_RISC1 | \
Haiying Wang7211fbf2009-05-21 15:34:14 -040043 QE_RISC_ALLOCATION_RISC2)
44#define QE_RISC_ALLOCATION_FOUR_RISCS (QE_RISC_ALLOCATION_RISC1 | \
45 QE_RISC_ALLOCATION_RISC2 | \
46 QE_RISC_ALLOCATION_RISC3 | \
47 QE_RISC_ALLOCATION_RISC4)
Dave Liu7737d5c2006-11-03 12:11:15 -060048
49/* QE CECR commands for UCC fast.
50*/
51#define QE_CR_FLG 0x00010000
52#define QE_RESET 0x80000000
53#define QE_INIT_TX_RX 0x00000000
54#define QE_INIT_RX 0x00000001
55#define QE_INIT_TX 0x00000002
56#define QE_ENTER_HUNT_MODE 0x00000003
57#define QE_STOP_TX 0x00000004
58#define QE_GRACEFUL_STOP_TX 0x00000005
59#define QE_RESTART_TX 0x00000006
60#define QE_SWITCH_COMMAND 0x00000007
61#define QE_SET_GROUP_ADDRESS 0x00000008
62#define QE_INSERT_CELL 0x00000009
63#define QE_ATM_TRANSMIT 0x0000000a
64#define QE_CELL_POOL_GET 0x0000000b
65#define QE_CELL_POOL_PUT 0x0000000c
66#define QE_IMA_HOST_CMD 0x0000000d
67#define QE_ATM_MULTI_THREAD_INIT 0x00000011
68#define QE_ASSIGN_PAGE 0x00000012
69#define QE_START_FLOW_CONTROL 0x00000014
70#define QE_STOP_FLOW_CONTROL 0x00000015
71#define QE_ASSIGN_PAGE_TO_DEVICE 0x00000016
72#define QE_GRACEFUL_STOP_RX 0x0000001a
73#define QE_RESTART_RX 0x0000001b
74
75/* QE CECR Sub Block Code - sub block code of QE command.
76*/
77#define QE_CR_SUBBLOCK_INVALID 0x00000000
78#define QE_CR_SUBBLOCK_USB 0x03200000
79#define QE_CR_SUBBLOCK_UCCFAST1 0x02000000
80#define QE_CR_SUBBLOCK_UCCFAST2 0x02200000
81#define QE_CR_SUBBLOCK_UCCFAST3 0x02400000
82#define QE_CR_SUBBLOCK_UCCFAST4 0x02600000
83#define QE_CR_SUBBLOCK_UCCFAST5 0x02800000
84#define QE_CR_SUBBLOCK_UCCFAST6 0x02a00000
85#define QE_CR_SUBBLOCK_UCCFAST7 0x02c00000
86#define QE_CR_SUBBLOCK_UCCFAST8 0x02e00000
87#define QE_CR_SUBBLOCK_UCCSLOW1 0x00000000
88#define QE_CR_SUBBLOCK_UCCSLOW2 0x00200000
89#define QE_CR_SUBBLOCK_UCCSLOW3 0x00400000
90#define QE_CR_SUBBLOCK_UCCSLOW4 0x00600000
91#define QE_CR_SUBBLOCK_UCCSLOW5 0x00800000
92#define QE_CR_SUBBLOCK_UCCSLOW6 0x00a00000
93#define QE_CR_SUBBLOCK_UCCSLOW7 0x00c00000
94#define QE_CR_SUBBLOCK_UCCSLOW8 0x00e00000
95#define QE_CR_SUBBLOCK_MCC1 0x03800000
96#define QE_CR_SUBBLOCK_MCC2 0x03a00000
97#define QE_CR_SUBBLOCK_MCC3 0x03000000
98#define QE_CR_SUBBLOCK_IDMA1 0x02800000
99#define QE_CR_SUBBLOCK_IDMA2 0x02a00000
100#define QE_CR_SUBBLOCK_IDMA3 0x02c00000
101#define QE_CR_SUBBLOCK_IDMA4 0x02e00000
102#define QE_CR_SUBBLOCK_HPAC 0x01e00000
103#define QE_CR_SUBBLOCK_SPI1 0x01400000
104#define QE_CR_SUBBLOCK_SPI2 0x01600000
105#define QE_CR_SUBBLOCK_RAND 0x01c00000
106#define QE_CR_SUBBLOCK_TIMER 0x01e00000
107#define QE_CR_SUBBLOCK_GENERAL 0x03c00000
108
109/* QE CECR Protocol - For non-MCC, specifies mode for QE CECR command.
110*/
111#define QE_CR_PROTOCOL_UNSPECIFIED 0x00 /* For all other protocols */
112#define QE_CR_PROTOCOL_HDLC_TRANSPARENT 0x00
113#define QE_CR_PROTOCOL_ATM_POS 0x0A
114#define QE_CR_PROTOCOL_ETHERNET 0x0C
115#define QE_CR_PROTOCOL_L2_SWITCH 0x0D
116#define QE_CR_PROTOCOL_SHIFT 6
117
118/* QE ASSIGN PAGE command
119*/
120#define QE_CR_ASSIGN_PAGE_SNUM_SHIFT 17
121
122/* Communication Direction.
123*/
124typedef enum comm_dir {
125 COMM_DIR_NONE = 0,
126 COMM_DIR_RX = 1,
127 COMM_DIR_TX = 2,
128 COMM_DIR_RX_AND_TX = 3
129} comm_dir_e;
130
131/* Clocks and BRG's
132*/
133typedef enum qe_clock {
134 QE_CLK_NONE = 0,
135 QE_BRG1, /* Baud Rate Generator 1 */
136 QE_BRG2, /* Baud Rate Generator 2 */
137 QE_BRG3, /* Baud Rate Generator 3 */
138 QE_BRG4, /* Baud Rate Generator 4 */
139 QE_BRG5, /* Baud Rate Generator 5 */
140 QE_BRG6, /* Baud Rate Generator 6 */
141 QE_BRG7, /* Baud Rate Generator 7 */
142 QE_BRG8, /* Baud Rate Generator 8 */
143 QE_BRG9, /* Baud Rate Generator 9 */
144 QE_BRG10, /* Baud Rate Generator 10 */
145 QE_BRG11, /* Baud Rate Generator 11 */
146 QE_BRG12, /* Baud Rate Generator 12 */
147 QE_BRG13, /* Baud Rate Generator 13 */
148 QE_BRG14, /* Baud Rate Generator 14 */
149 QE_BRG15, /* Baud Rate Generator 15 */
150 QE_BRG16, /* Baud Rate Generator 16 */
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200151 QE_CLK1, /* Clock 1 */
152 QE_CLK2, /* Clock 2 */
153 QE_CLK3, /* Clock 3 */
154 QE_CLK4, /* Clock 4 */
155 QE_CLK5, /* Clock 5 */
156 QE_CLK6, /* Clock 6 */
157 QE_CLK7, /* Clock 7 */
158 QE_CLK8, /* Clock 8 */
159 QE_CLK9, /* Clock 9 */
160 QE_CLK10, /* Clock 10 */
161 QE_CLK11, /* Clock 11 */
162 QE_CLK12, /* Clock 12 */
163 QE_CLK13, /* Clock 13 */
164 QE_CLK14, /* Clock 14 */
165 QE_CLK15, /* Clock 15 */
166 QE_CLK16, /* Clock 16 */
167 QE_CLK17, /* Clock 17 */
168 QE_CLK18, /* Clock 18 */
169 QE_CLK19, /* Clock 19 */
170 QE_CLK20, /* Clock 20 */
171 QE_CLK21, /* Clock 21 */
172 QE_CLK22, /* Clock 22 */
173 QE_CLK23, /* Clock 23 */
174 QE_CLK24, /* Clock 24 */
Dave Liu7737d5c2006-11-03 12:11:15 -0600175 QE_CLK_DUMMY
176} qe_clock_e;
177
178/* QE CMXGCR register
179*/
180#define QE_CMXGCR_MII_ENET_MNG_MASK 0x00007000
181#define QE_CMXGCR_MII_ENET_MNG_SHIFT 12
182
183/* QE CMXUCR registers
184 */
185#define QE_CMXUCR_TX_CLK_SRC_MASK 0x0000000F
186
187/* QE BRG configuration register
188*/
189#define QE_BRGC_ENABLE 0x00010000
190#define QE_BRGC_DIVISOR_SHIFT 1
191#define QE_BRGC_DIVISOR_MAX 0xFFF
192#define QE_BRGC_DIV16 1
193
194/* QE SDMA registers
195*/
196#define QE_SDSR_BER1 0x02000000
197#define QE_SDSR_BER2 0x01000000
198
199#define QE_SDMR_GLB_1_MSK 0x80000000
200#define QE_SDMR_ADR_SEL 0x20000000
201#define QE_SDMR_BER1_MSK 0x02000000
202#define QE_SDMR_BER2_MSK 0x01000000
203#define QE_SDMR_EB1_MSK 0x00800000
204#define QE_SDMR_ER1_MSK 0x00080000
205#define QE_SDMR_ER2_MSK 0x00040000
206#define QE_SDMR_CEN_MASK 0x0000E000
207#define QE_SDMR_SBER_1 0x00000200
208#define QE_SDMR_SBER_2 0x00000200
209#define QE_SDMR_EB1_PR_MASK 0x000000C0
210#define QE_SDMR_ER1_PR 0x00000008
211
212#define QE_SDMR_CEN_SHIFT 13
213#define QE_SDMR_EB1_PR_SHIFT 6
214
215#define QE_SDTM_MSNUM_SHIFT 24
216
217#define QE_SDEBCR_BA_MASK 0x01FFFFFF
218
Timur Tabib8ec2382008-01-07 13:31:19 -0600219/* Communication Processor */
220#define QE_CP_CERCR_MEE 0x8000 /* Multi-user RAM ECC enable */
221#define QE_CP_CERCR_IEE 0x4000 /* Instruction RAM ECC enable */
222#define QE_CP_CERCR_CIR 0x0800 /* Common instruction RAM */
223
224/* I-RAM */
225#define QE_IRAM_IADD_AIE 0x80000000 /* Auto Increment Enable */
226#define QE_IRAM_IADD_BADDR 0x00080000 /* Base Address */
Haiying Wang2d4de6a2009-03-26 17:01:49 -0400227#define QE_IRAM_READY 0x80000000
Timur Tabib8ec2382008-01-07 13:31:19 -0600228
229/* Structure that defines QE firmware binary files.
230 *
Heinrich Schuchardtd76485b2020-04-19 09:19:04 +0200231 * See Documentation/powerpc/qe_firmware.rst in the Linux kernel tree for
232 * a description of these fields.
Timur Tabib8ec2382008-01-07 13:31:19 -0600233 */
234struct qe_firmware {
235 struct qe_header {
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200236 u32 length; /* Length of the entire structure, in bytes */
237 u8 magic[3]; /* Set to { 'Q', 'E', 'F' } */
238 u8 version; /* Version of this layout. First ver is '1' */
Timur Tabib8ec2382008-01-07 13:31:19 -0600239 } header;
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200240 u8 id[62]; /* Null-terminated identifier string */
241 u8 split; /* 0 = shared I-RAM, 1 = split I-RAM */
242 u8 count; /* Number of microcode[] structures */
Timur Tabib8ec2382008-01-07 13:31:19 -0600243 struct {
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200244 u16 model; /* The SOC model */
245 u8 major; /* The SOC revision major */
246 u8 minor; /* The SOC revision minor */
Timur Tabib8ec2382008-01-07 13:31:19 -0600247 } __attribute__ ((packed)) soc;
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200248 u8 padding[4]; /* Reserved, for alignment */
249 u64 extended_modes; /* Extended modes */
Timur Tabib8ec2382008-01-07 13:31:19 -0600250 u32 vtraps[8]; /* Virtual trap addresses */
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200251 u8 reserved[4]; /* Reserved, for future expansion */
Timur Tabib8ec2382008-01-07 13:31:19 -0600252 struct qe_microcode {
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200253 u8 id[32]; /* Null-terminated identifier */
254 u32 traps[16]; /* Trap addresses, 0 == ignore */
255 u32 eccr; /* The value for the ECCR register */
256 u32 iram_offset;/* Offset into I-RAM for the code */
257 u32 count; /* Number of 32-bit words of the code */
258 u32 code_offset;/* Offset of the actual microcode */
259 u8 major; /* The microcode version major */
260 u8 minor; /* The microcode version minor */
261 u8 revision; /* The microcode version revision */
262 u8 padding; /* Reserved, for alignment */
263 u8 reserved[4]; /* Reserved, for future expansion */
Timur Tabib8ec2382008-01-07 13:31:19 -0600264 } __attribute__ ((packed)) microcode[1];
265 /* All microcode binaries should be located here */
266 /* CRC32 should be located here, after the microcode binaries */
267} __attribute__ ((packed));
268
269struct qe_firmware_info {
270 char id[64]; /* Firmware name */
271 u32 vtraps[8]; /* Virtual trap addresses */
272 u64 extended_modes; /* Extended modes */
273};
274
Dave Liu7737d5c2006-11-03 12:11:15 -0600275void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign);
276void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data);
277uint qe_muram_alloc(uint size, uint align);
278void *qe_muram_addr(uint offset);
279int qe_get_snum(void);
280void qe_put_snum(u8 snum);
281void qe_init(uint qe_base);
282void qe_reset(void);
283void qe_assign_page(uint snum, uint para_ram_base);
284int qe_set_brg(uint brg, uint rate);
285int qe_set_mii_clk_src(int ucc_num);
Timur Tabib8ec2382008-01-07 13:31:19 -0600286int qe_upload_firmware(const struct qe_firmware *firmware);
287struct qe_firmware_info *qe_get_firmware_info(void);
Kumar Gala69018ce2008-01-17 08:25:45 -0600288void ft_qe_setup(void *blob);
Zhao Qiang2a44efe2014-03-21 16:21:45 +0800289void qe_init(uint qe_base);
290void qe_reset(void);
Dave Liu7737d5c2006-11-03 12:11:15 -0600291
Zhao Qiang5632d152014-11-04 13:46:16 +0800292#ifdef CONFIG_U_QE
293void u_qe_init(void);
294int u_qe_upload_firmware(const struct qe_firmware *firmware);
Zhao Qiangae42eb02015-03-25 17:02:59 +0800295void u_qe_resume(void);
296int u_qe_firmware_resume(const struct qe_firmware *firmware,
297 qe_map_t *qe_immrr);
Zhao Qiang5632d152014-11-04 13:46:16 +0800298#endif
299
Heiko Schocher5990b052020-02-03 10:23:53 +0100300#if defined(CONFIG_PINCTRL)
301int par_io_of_config(struct udevice *dev);
302#endif
Dave Liu7737d5c2006-11-03 12:11:15 -0600303#endif /* __QE_H__ */