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1 /*
2  * Copyright(c) 2015 EZchip Technologies.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * The full GNU General Public License is included in this distribution in
14  * the file called "COPYING".
15  */
16 
17 #ifndef _PLAT_EZNPS_CTOP_H
18 #define _PLAT_EZNPS_CTOP_H
19 
20 #ifndef CONFIG_ARC_PLAT_EZNPS
21 #error "Incorrect ctop.h include"
22 #endif
23 
24 #include <linux/types.h>
25 #include <soc/nps/common.h>
26 
27 /* core auxiliary registers */
28 #ifdef __ASSEMBLY__
29 #define CTOP_AUX_BASE				(-0x800)
30 #else
31 #define CTOP_AUX_BASE				0xFFFFF800
32 #endif
33 
34 #define CTOP_AUX_GLOBAL_ID			(CTOP_AUX_BASE + 0x000)
35 #define CTOP_AUX_CLUSTER_ID			(CTOP_AUX_BASE + 0x004)
36 #define CTOP_AUX_CORE_ID			(CTOP_AUX_BASE + 0x008)
37 #define CTOP_AUX_THREAD_ID			(CTOP_AUX_BASE + 0x00C)
38 #define CTOP_AUX_LOGIC_GLOBAL_ID		(CTOP_AUX_BASE + 0x010)
39 #define CTOP_AUX_LOGIC_CLUSTER_ID		(CTOP_AUX_BASE + 0x014)
40 #define CTOP_AUX_LOGIC_CORE_ID			(CTOP_AUX_BASE + 0x018)
41 #define CTOP_AUX_MT_CTRL			(CTOP_AUX_BASE + 0x020)
42 #define CTOP_AUX_HW_COMPLY			(CTOP_AUX_BASE + 0x024)
43 #define CTOP_AUX_DPC				(CTOP_AUX_BASE + 0x02C)
44 #define CTOP_AUX_LPC				(CTOP_AUX_BASE + 0x030)
45 #define CTOP_AUX_EFLAGS				(CTOP_AUX_BASE + 0x080)
46 #define CTOP_AUX_GPA1				(CTOP_AUX_BASE + 0x08C)
47 #define CTOP_AUX_UDMC				(CTOP_AUX_BASE + 0x300)
48 
49 /* EZchip core instructions */
50 #define CTOP_INST_HWSCHD_WFT_IE12		0x3E6F7344
51 #define CTOP_INST_HWSCHD_OFF_R4			0x3C6F00BF
52 #define CTOP_INST_HWSCHD_RESTORE_R4		0x3E6F7103
53 #define CTOP_INST_SCHD_RW			0x3E6F7004
54 #define CTOP_INST_SCHD_RD			0x3E6F7084
55 #define CTOP_INST_ASRI_0_R3			0x3B56003E
56 #define CTOP_INST_XEX_DI_R2_R2_R3		0x4A664C00
57 #define CTOP_INST_EXC_DI_R2_R2_R3		0x4A664C01
58 #define CTOP_INST_AADD_DI_R2_R2_R3		0x4A664C02
59 #define CTOP_INST_AAND_DI_R2_R2_R3		0x4A664C04
60 #define CTOP_INST_AOR_DI_R2_R2_R3		0x4A664C05
61 #define CTOP_INST_AXOR_DI_R2_R2_R3		0x4A664C06
62 
63 /* Do not use D$ for address in 2G-3G */
64 #define HW_COMPLY_KRN_NOT_D_CACHED		_BITUL(28)
65 
66 #define NPS_MSU_EN_CFG				0x80
67 #define NPS_CRG_BLKID				0x480
68 #define NPS_CRG_SYNC_BIT			_BITUL(0)
69 #define NPS_GIM_BLKID				0x5C0
70 
71 /* GIM registers and fields*/
72 #define NPS_GIM_UART_LINE			_BITUL(7)
73 #define NPS_GIM_DBG_LAN_EAST_TX_DONE_LINE	_BITUL(10)
74 #define NPS_GIM_DBG_LAN_EAST_RX_RDY_LINE	_BITUL(11)
75 #define NPS_GIM_DBG_LAN_WEST_TX_DONE_LINE	_BITUL(25)
76 #define NPS_GIM_DBG_LAN_WEST_RX_RDY_LINE	_BITUL(26)
77 
78 #ifndef __ASSEMBLY__
79 /* Functional registers definition */
80 struct nps_host_reg_mtm_cfg {
81 	union {
82 		struct {
83 			u32 gen:1, gdis:1, clk_gate_dis:1, asb:1,
84 			__reserved:9, nat:3, ten:16;
85 		};
86 		u32 value;
87 	};
88 };
89 
90 struct nps_host_reg_mtm_cpu_cfg {
91 	union {
92 		struct {
93 			u32 csa:22, dmsid:6, __reserved:3, cs:1;
94 		};
95 		u32 value;
96 	};
97 };
98 
99 struct nps_host_reg_thr_init {
100 	union {
101 		struct {
102 			u32 str:1, __reserved:27, thr_id:4;
103 		};
104 		u32 value;
105 	};
106 };
107 
108 struct nps_host_reg_thr_init_sts {
109 	union {
110 		struct {
111 			u32 bsy:1, err:1, __reserved:26, thr_id:4;
112 		};
113 		u32 value;
114 	};
115 };
116 
117 struct nps_host_reg_msu_en_cfg {
118 	union {
119 		struct {
120 			u32     __reserved1:11,
121 			rtc_en:1, ipc_en:1, gim_1_en:1,
122 			gim_0_en:1, ipi_en:1, buff_e_rls_bmuw:1,
123 			buff_e_alc_bmuw:1, buff_i_rls_bmuw:1, buff_i_alc_bmuw:1,
124 			buff_e_rls_bmue:1, buff_e_alc_bmue:1, buff_i_rls_bmue:1,
125 			buff_i_alc_bmue:1, __reserved2:1, buff_e_pre_en:1,
126 			buff_i_pre_en:1, pmuw_ja_en:1, pmue_ja_en:1,
127 			pmuw_nj_en:1, pmue_nj_en:1, msu_en:1;
128 		};
129 		u32 value;
130 	};
131 };
132 
133 struct nps_host_reg_gim_p_int_dst {
134 	union {
135 		struct {
136 			u32 int_out_en:1, __reserved1:4,
137 			is:1, intm:2, __reserved2:4,
138 			nid:4, __reserved3:4, cid:4,
139 			 __reserved4:4, tid:4;
140 		};
141 		u32 value;
142 	};
143 };
144 
145 /* AUX registers definition */
146 struct nps_host_reg_aux_dpc {
147 	union {
148 		struct {
149 			u32 ien:1, men:1, hen:1, reserved:29;
150 		};
151 		u32 value;
152 	};
153 };
154 
155 struct nps_host_reg_aux_udmc {
156 	union {
157 		struct {
158 			u32 dcp:1, cme:1, __reserved:19, nat:3,
159 			__reserved2:5, dcas:3;
160 		};
161 		u32 value;
162 	};
163 };
164 
165 struct nps_host_reg_aux_mt_ctrl {
166 	union {
167 		struct {
168 			u32 mten:1, hsen:1, scd:1, sten:1,
169 			st_cnt:8, __reserved:8,
170 			hs_cnt:8, __reserved1:4;
171 		};
172 		u32 value;
173 	};
174 };
175 
176 struct nps_host_reg_aux_hw_comply {
177 	union {
178 		struct {
179 			u32 me:1, le:1, te:1, knc:1, __reserved:28;
180 		};
181 		u32 value;
182 	};
183 };
184 
185 struct nps_host_reg_aux_lpc {
186 	union {
187 		struct {
188 			u32 mep:1, __reserved:31;
189 		};
190 		u32 value;
191 	};
192 };
193 
194 /* CRG registers */
195 #define REG_GEN_PURP_0          nps_host_reg_non_cl(NPS_CRG_BLKID, 0x1BF)
196 
197 /* GIM registers */
198 #define REG_GIM_P_INT_EN_0      nps_host_reg_non_cl(NPS_GIM_BLKID, 0x100)
199 #define REG_GIM_P_INT_POL_0     nps_host_reg_non_cl(NPS_GIM_BLKID, 0x110)
200 #define REG_GIM_P_INT_SENS_0    nps_host_reg_non_cl(NPS_GIM_BLKID, 0x114)
201 #define REG_GIM_P_INT_BLK_0     nps_host_reg_non_cl(NPS_GIM_BLKID, 0x118)
202 #define REG_GIM_P_INT_DST_10    nps_host_reg_non_cl(NPS_GIM_BLKID, 0x13A)
203 #define REG_GIM_P_INT_DST_11    nps_host_reg_non_cl(NPS_GIM_BLKID, 0x13B)
204 #define REG_GIM_P_INT_DST_25    nps_host_reg_non_cl(NPS_GIM_BLKID, 0x149)
205 #define REG_GIM_P_INT_DST_26    nps_host_reg_non_cl(NPS_GIM_BLKID, 0x14A)
206 
207 #else
208 
209 .macro  GET_CPU_ID  reg
210 	lr  \reg, [CTOP_AUX_LOGIC_GLOBAL_ID]
211 #ifndef CONFIG_EZNPS_MTM_EXT
212 	lsr \reg, \reg, 4
213 #endif
214 .endm
215 
216 #endif /* __ASSEMBLY__ */
217 
218 #endif /* _PLAT_EZNPS_CTOP_H */
219