xref: /openbmc/u-boot/include/net/pfe_eth/pfe/pfe_hw.h (revision 2dc5165e)
1 /*
2  * Copyright 2015-2016 Freescale Semiconductor, Inc.
3  * Copyright 2017 NXP
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef _PFE_H_
9 #define _PFE_H_
10 
11 #include <elf.h>
12 #include "cbus.h"
13 
14 #define PFE_RESET_WA
15 
16 #define CLASS_DMEM_BASE_ADDR(i)	(0x00000000 | ((i) << 20))
17 /* Only valid for mem access register interface */
18 #define CLASS_IMEM_BASE_ADDR(i)	(0x00000000 | ((i) << 20))
19 #define CLASS_DMEM_SIZE		0x00002000
20 #define CLASS_IMEM_SIZE		0x00008000
21 
22 #define TMU_DMEM_BASE_ADDR(i)	(0x00000000 + ((i) << 20))
23 /* Only valid for mem access register interface */
24 #define TMU_IMEM_BASE_ADDR(i)	(0x00000000 + ((i) << 20))
25 #define TMU_DMEM_SIZE		0x00000800
26 #define TMU_IMEM_SIZE		0x00002000
27 
28 #define UTIL_DMEM_BASE_ADDR	0x00000000
29 #define UTIL_DMEM_SIZE		0x00002000
30 
31 #define PE_LMEM_BASE_ADDR	0xc3010000
32 #define PE_LMEM_SIZE		0x8000
33 #define PE_LMEM_END		(PE_LMEM_BASE_ADDR + PE_LMEM_SIZE)
34 
35 #define DMEM_BASE_ADDR		0x00000000
36 #define DMEM_SIZE		0x2000		/* TMU has less... */
37 #define DMEM_END		(DMEM_BASE_ADDR + DMEM_SIZE)
38 
39 #define PMEM_BASE_ADDR		0x00010000
40 #define PMEM_SIZE		0x8000		/* TMU has less... */
41 #define PMEM_END		(PMEM_BASE_ADDR + PMEM_SIZE)
42 
43 /* Memory ranges check from PE point of view/memory map */
44 #define IS_DMEM(addr, len)	(((unsigned long)(addr) >= DMEM_BASE_ADDR) &&\
45 					(((unsigned long)(addr) +\
46 					(len)) <= DMEM_END))
47 #define IS_PMEM(addr, len)	(((unsigned long)(addr) >= PMEM_BASE_ADDR) &&\
48 					(((unsigned long)(addr) +\
49 					(len)) <= PMEM_END))
50 #define IS_PE_LMEM(addr, len)	(((unsigned long)(addr) >= PE_LMEM_BASE_ADDR\
51 					) && (((unsigned long)(addr)\
52 					+ (len)) <= PE_LMEM_END))
53 
54 #define IS_PFE_LMEM(addr, len)	(((unsigned long)(addr) >=\
55 					CBUS_VIRT_TO_PFE(LMEM_BASE_ADDR)) &&\
56 					(((unsigned long)(addr) + (len)) <=\
57 					CBUS_VIRT_TO_PFE(LMEM_END)))
58 #define IS_PHYS_DDR(addr, len)	(((unsigned long)(addr) >=\
59 					PFE_DDR_PHYS_BASE_ADDR) &&\
60 					(((unsigned long)(addr) + (len)) <=\
61 					PFE_DDR_PHYS_END))
62 
63 /* Host View Address */
64 extern void *ddr_pfe_base_addr;
65 
66 /* PFE View Address */
67 /* DDR physical base address as seen by PE's. */
68 #define PFE_DDR_PHYS_BASE_ADDR	0x03800000
69 #define PFE_DDR_PHYS_SIZE	0xC000000
70 #define PFE_DDR_PHYS_END	(PFE_DDR_PHYS_BASE_ADDR + PFE_DDR_PHYS_SIZE)
71 /* CBUS physical base address as seen by PE's. */
72 #define PFE_CBUS_PHYS_BASE_ADDR	0xc0000000
73 
74 /* Host<->PFE Mapping */
75 #define DDR_PFE_TO_VIRT(p)	((unsigned long int)((p) + 0x80000000))
76 #define CBUS_VIRT_TO_PFE(v)	(((v) - CBUS_BASE_ADDR) +\
77 					PFE_CBUS_PHYS_BASE_ADDR)
78 #define CBUS_PFE_TO_VIRT(p)	(((p) - PFE_CBUS_PHYS_BASE_ADDR) +\
79 					CBUS_BASE_ADDR)
80 
81 enum {
82 	CLASS0_ID = 0,
83 	CLASS1_ID,
84 	CLASS2_ID,
85 	CLASS3_ID,
86 	CLASS4_ID,
87 	CLASS5_ID,
88 
89 	TMU0_ID,
90 	TMU1_ID,
91 	TMU2_ID,
92 	TMU3_ID,
93 	MAX_PE
94 };
95 
96 #define CLASS_MASK	(BIT(CLASS0_ID) | BIT(CLASS1_ID) | BIT(CLASS2_ID)\
97 				| BIT(CLASS3_ID) | BIT(CLASS4_ID) |\
98 				BIT(CLASS5_ID))
99 #define CLASS_MAX_ID	CLASS5_ID
100 
101 #define TMU_MASK	(BIT(TMU0_ID) | BIT(TMU1_ID) | BIT(TMU3_ID))
102 #define TMU_MAX_ID	TMU3_ID
103 
104 /*
105  * PE information.
106  * Structure containing PE's specific information. It is used to create
107  * generic C functions common to all PEs.
108  * Before using the library functions this structure needs to be
109  * initialized with the different registers virtual addresses
110  * (according to the ARM MMU mmaping). The default initialization supports a
111  * virtual == physical mapping.
112  *
113  */
114 struct pe_info {
115 	u32 dmem_base_addr;		/* PE's dmem base address */
116 	u32 pmem_base_addr;		/* PE's pmem base address */
117 	u32 pmem_size;			/* PE's pmem size */
118 
119 	void *mem_access_wdata;	       /* PE's _MEM_ACCESS_WDATA
120 					* register address
121 					*/
122 	void *mem_access_addr;	       /* PE's _MEM_ACCESS_ADDR
123 					* register address
124 					*/
125 	void *mem_access_rdata;	       /* PE's _MEM_ACCESS_RDATA
126 					* register address
127 					*/
128 };
129 
130 void pe_lmem_read(u32 *dst, u32 len, u32 offset);
131 void pe_lmem_write(u32 *src, u32 len, u32 offset);
132 
133 u32 pe_pmem_read(int id, u32 addr, u8 size);
134 void pe_dmem_write(int id, u32 val, u32 addr, u8 size);
135 u32 pe_dmem_read(int id, u32 addr, u8 size);
136 
137 int pe_load_elf_section(int id, const void *data, Elf32_Shdr *shdr);
138 
139 void pfe_lib_init(void);
140 
141 void bmu_init(void *base, struct bmu_cfg *cfg);
142 void bmu_enable(void *base);
143 
144 void gpi_init(void *base, struct gpi_cfg *cfg);
145 void gpi_enable(void *base);
146 void gpi_disable(void *base);
147 
148 void class_init(struct class_cfg *cfg);
149 void class_enable(void);
150 void class_disable(void);
151 
152 void tmu_init(struct tmu_cfg *cfg);
153 void tmu_enable(u32 pe_mask);
154 void tmu_disable(u32 pe_mask);
155 
156 void hif_init(void);
157 void hif_tx_enable(void);
158 void hif_tx_disable(void);
159 void hif_rx_enable(void);
160 void hif_rx_disable(void);
161 void hif_rx_desc_disable(void);
162 
163 #endif /* _PFE_H_ */
164