1 /*
2  * Copyright (C) 2010 Albert ARIBAUD <albert.u.boot@aribaud.net>
3  *
4  * Based on original Kirorion5x_ood support which is
5  * (C) Copyright 2009
6  * Marvell Semiconductor <www.marvell.com>
7  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  */
11 
12 #ifndef _ORION5X_CPU_H
13 #define _ORION5X_CPU_H
14 
15 #include <asm/system.h>
16 
17 #ifndef __ASSEMBLY__
18 
19 #define ORION5X_CPU_WIN_CTRL_DATA(size, target, attr, en) (en | (target << 4) \
20 			| (attr << 8) | (orion5x_winctrl_calcsize(size) << 16))
21 
22 #define ORION5XGBE_PORT_SERIAL_CONTROL1_REG(_x)	\
23 		((_x ? ORION5X_EGIGA0_BASE : ORION5X_EGIGA1_BASE) + 0x44c)
24 
25 enum memory_bank {
26 	BANK0,
27 	BANK1,
28 	BANK2,
29 	BANK3
30 };
31 
32 enum orion5x_cpu_winen {
33 	ORION5X_WIN_DISABLE,
34 	ORION5X_WIN_ENABLE
35 };
36 
37 enum orion5x_cpu_target {
38 	ORION5X_TARGET_DRAM = 0,
39 	ORION5X_TARGET_DEVICE = 1,
40 	ORION5X_TARGET_PCI = 3,
41 	ORION5X_TARGET_PCIE = 4,
42 	ORION5X_TARGET_SASRAM = 9
43 };
44 
45 enum orion5x_cpu_attrib {
46 	ORION5X_ATTR_DRAM_CS0 = 0x0e,
47 	ORION5X_ATTR_DRAM_CS1 = 0x0d,
48 	ORION5X_ATTR_DRAM_CS2 = 0x0b,
49 	ORION5X_ATTR_DRAM_CS3 = 0x07,
50 	ORION5X_ATTR_PCI_MEM = 0x59,
51 	ORION5X_ATTR_PCI_IO = 0x51,
52 	ORION5X_ATTR_PCIE_MEM = 0x59,
53 	ORION5X_ATTR_PCIE_IO = 0x51,
54 	ORION5X_ATTR_SASRAM = 0x00,
55 	ORION5X_ATTR_DEV_CS0 = 0x1e,
56 	ORION5X_ATTR_DEV_CS1 = 0x1d,
57 	ORION5X_ATTR_DEV_CS2 = 0x1b,
58 	ORION5X_ATTR_BOOTROM = 0x0f
59 };
60 
61 /*
62  * Device Address MAP BAR values
63  *
64  * All addresses and sizes not defined by board code
65  * will be given default values here.
66  */
67 
68 #if !defined (ORION5X_ADR_PCIE_MEM)
69 #define ORION5X_ADR_PCIE_MEM	0x90000000
70 #endif
71 
72 #if !defined (ORION5X_ADR_PCIE_MEM_REMAP_LO)
73 #define ORION5X_ADR_PCIE_MEM_REMAP_LO	0x90000000
74 #endif
75 
76 #if !defined (ORION5X_ADR_PCIE_MEM_REMAP_HI)
77 #define ORION5X_ADR_PCIE_MEM_REMAP_HI	0
78 #endif
79 
80 #if !defined (ORION5X_SZ_PCIE_MEM)
81 #define ORION5X_SZ_PCIE_MEM	(128*1024*1024)
82 #endif
83 
84 #if !defined (ORION5X_ADR_PCIE_IO)
85 #define ORION5X_ADR_PCIE_IO	0xf0000000
86 #endif
87 
88 #if !defined (ORION5X_ADR_PCIE_IO_REMAP_LO)
89 #define ORION5X_ADR_PCIE_IO_REMAP_LO	0xf0000000
90 #endif
91 
92 #if !defined (ORION5X_ADR_PCIE_IO_REMAP_HI)
93 #define ORION5X_ADR_PCIE_IO_REMAP_HI	0
94 #endif
95 
96 #if !defined (ORION5X_SZ_PCIE_IO)
97 #define ORION5X_SZ_PCIE_IO	(64*1024)
98 #endif
99 
100 #if !defined (ORION5X_ADR_PCI_MEM)
101 #define ORION5X_ADR_PCI_MEM	0x98000000
102 #endif
103 
104 #if !defined (ORION5X_SZ_PCI_MEM)
105 #define ORION5X_SZ_PCI_MEM	(128*1024*1024)
106 #endif
107 
108 #if !defined (ORION5X_ADR_PCI_IO)
109 #define ORION5X_ADR_PCI_IO	0xf0100000
110 #endif
111 
112 #if !defined (ORION5X_SZ_PCI_IO)
113 #define ORION5X_SZ_PCI_IO	(64*1024)
114 #endif
115 
116 #if !defined (ORION5X_ADR_DEV_CS0)
117 #define ORION5X_ADR_DEV_CS0	0xfa000000
118 #endif
119 
120 #if !defined (ORION5X_SZ_DEV_CS0)
121 #define ORION5X_SZ_DEV_CS0	(2*1024*1024)
122 #endif
123 
124 #if !defined (ORION5X_ADR_DEV_CS1)
125 #define ORION5X_ADR_DEV_CS1	0xf8000000
126 #endif
127 
128 #if !defined (ORION5X_SZ_DEV_CS1)
129 #define ORION5X_SZ_DEV_CS1	(32*1024*1024)
130 #endif
131 
132 #if !defined (ORION5X_ADR_DEV_CS2)
133 #define ORION5X_ADR_DEV_CS2	0xfa800000
134 #endif
135 
136 #if !defined (ORION5X_SZ_DEV_CS2)
137 #define ORION5X_SZ_DEV_CS2	(1*1024*1024)
138 #endif
139 
140 #if !defined (ORION5X_ADR_BOOTROM)
141 #define ORION5X_ADR_BOOTROM	0xFFF80000
142 #endif
143 
144 #if !defined (ORION5X_SZ_BOOTROM)
145 #define ORION5X_SZ_BOOTROM	(512*1024)
146 #endif
147 
148 /*
149  * PCIE registers are used for SoC device ID and revision
150  */
151 #define PCIE_DEV_ID_OFF         (ORION5X_REG_PCIE_BASE + 0x0000)
152 #define PCIE_DEV_REV_OFF        (ORION5X_REG_PCIE_BASE + 0x0008)
153 
154 /*
155  * The following definitions are intended for identifying
156  * the real device and revision on which u-boot is running
157  * even if it was compiled only for a specific one. Thus,
158  * these constants must not be considered chip-specific.
159  */
160 
161 /* Orion-1 (88F5181) and Orion-VoIP (88F5181L) */
162 #define MV88F5181_DEV_ID        0x5181
163 #define MV88F5181_REV_B1        3
164 #define MV88F5181L_REV_A0       8
165 #define MV88F5181L_REV_A1       9
166 /* Orion-NAS (88F5182) */
167 #define MV88F5182_DEV_ID        0x5182
168 #define MV88F5182_REV_A2        2
169 /* Orion-2 (88F5281) */
170 #define MV88F5281_DEV_ID        0x5281
171 #define MV88F5281_REV_D0        4
172 #define MV88F5281_REV_D1        5
173 #define MV88F5281_REV_D2        6
174 /* Orion-1-90 (88F6183) */
175 #define MV88F6183_DEV_ID        0x6183
176 #define MV88F6183_REV_B0        3
177 
178 /*
179  * read feroceon core extra feature register
180  * using co-proc instruction
181  */
182 static inline unsigned int readfr_extra_feature_reg(void)
183 {
184 	unsigned int val;
185 	asm volatile ("mrc p15, 1, %0, c15, c1, 0 @ readfr exfr" : "=r"
186 			(val) : : "cc");
187 	return val;
188 }
189 
190 /*
191  * write feroceon core extra feature register
192  * using co-proc instruction
193  */
194 static inline void writefr_extra_feature_reg(unsigned int val)
195 {
196 	asm volatile ("mcr p15, 1, %0, c15, c1, 0 @ writefr exfr" : : "r"
197 			(val) : "cc");
198 	isb();
199 }
200 
201 /*
202  * AHB to Mbus Bridge Registers
203  * Source: 88F5182 User Manual, Appendix A, section A.4
204  * Note: only windows 0 and 1 have remap capability.
205  */
206 struct orion5x_win_registers {
207 	u32 ctrl;
208 	u32 base;
209 	u32 remap_lo;
210 	u32 remap_hi;
211 };
212 
213 /*
214  * CPU control and status Registers
215  * Source: 88F5182 User Manual, Appendix A, section A.4
216  */
217 struct orion5x_cpu_registers {
218 	u32 config;	/*0x20100 */
219 	u32 ctrl_stat;	/*0x20104 */
220 	u32 rstoutn_mask; /* 0x20108 */
221 	u32 sys_soft_rst; /* 0x2010C */
222 	u32 ahb_mbus_cause_irq; /* 0x20110 */
223 	u32 ahb_mbus_mask_irq; /* 0x20114 */
224 };
225 
226 /*
227  * DDR SDRAM Controller Address Decode Registers
228  * Source: 88F5182 User Manual, Appendix A, section A.5.1
229  */
230 struct orion5x_ddr_addr_decode_registers {
231 	u32 base;
232 	u32 size;
233 };
234 
235 /*
236  * functions
237  */
238 u32 orion5x_device_id(void);
239 u32 orion5x_device_rev(void);
240 unsigned int orion5x_winctrl_calcsize(unsigned int sizeval);
241 void timer_init_r(void);
242 #endif /* __ASSEMBLY__ */
243 #endif /* _ORION5X_CPU_H */
244