xref: /openbmc/u-boot/include/net/pfe_eth/pfe/pfe_hw.h (revision e3963c09)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2015-2016 Freescale Semiconductor, Inc.
4  * Copyright 2017 NXP
5  */
6 
7 #ifndef _PFE_H_
8 #define _PFE_H_
9 
10 #include <elf.h>
11 #include "cbus.h"
12 
13 #define PFE_RESET_WA
14 
15 #define CLASS_DMEM_BASE_ADDR(i)	(0x00000000 | ((i) << 20))
16 /* Only valid for mem access register interface */
17 #define CLASS_IMEM_BASE_ADDR(i)	(0x00000000 | ((i) << 20))
18 #define CLASS_DMEM_SIZE		0x00002000
19 #define CLASS_IMEM_SIZE		0x00008000
20 
21 #define TMU_DMEM_BASE_ADDR(i)	(0x00000000 + ((i) << 20))
22 /* Only valid for mem access register interface */
23 #define TMU_IMEM_BASE_ADDR(i)	(0x00000000 + ((i) << 20))
24 #define TMU_DMEM_SIZE		0x00000800
25 #define TMU_IMEM_SIZE		0x00002000
26 
27 #define UTIL_DMEM_BASE_ADDR	0x00000000
28 #define UTIL_DMEM_SIZE		0x00002000
29 
30 #define PE_LMEM_BASE_ADDR	0xc3010000
31 #define PE_LMEM_SIZE		0x8000
32 #define PE_LMEM_END		(PE_LMEM_BASE_ADDR + PE_LMEM_SIZE)
33 
34 #define DMEM_BASE_ADDR		0x00000000
35 #define DMEM_SIZE		0x2000		/* TMU has less... */
36 #define DMEM_END		(DMEM_BASE_ADDR + DMEM_SIZE)
37 
38 #define PMEM_BASE_ADDR		0x00010000
39 #define PMEM_SIZE		0x8000		/* TMU has less... */
40 #define PMEM_END		(PMEM_BASE_ADDR + PMEM_SIZE)
41 
42 /* Memory ranges check from PE point of view/memory map */
43 #define IS_DMEM(addr, len)	(((unsigned long)(addr) >= DMEM_BASE_ADDR) &&\
44 					(((unsigned long)(addr) +\
45 					(len)) <= DMEM_END))
46 #define IS_PMEM(addr, len)	(((unsigned long)(addr) >= PMEM_BASE_ADDR) &&\
47 					(((unsigned long)(addr) +\
48 					(len)) <= PMEM_END))
49 #define IS_PE_LMEM(addr, len)	(((unsigned long)(addr) >= PE_LMEM_BASE_ADDR\
50 					) && (((unsigned long)(addr)\
51 					+ (len)) <= PE_LMEM_END))
52 
53 #define IS_PFE_LMEM(addr, len)	(((unsigned long)(addr) >=\
54 					CBUS_VIRT_TO_PFE(LMEM_BASE_ADDR)) &&\
55 					(((unsigned long)(addr) + (len)) <=\
56 					CBUS_VIRT_TO_PFE(LMEM_END)))
57 #define IS_PHYS_DDR(addr, len)	(((unsigned long)(addr) >=\
58 					PFE_DDR_PHYS_BASE_ADDR) &&\
59 					(((unsigned long)(addr) + (len)) <=\
60 					PFE_DDR_PHYS_END))
61 
62 /* Host View Address */
63 extern void *ddr_pfe_base_addr;
64 
65 /* PFE View Address */
66 /* DDR physical base address as seen by PE's. */
67 #define PFE_DDR_PHYS_BASE_ADDR	0x03800000
68 #define PFE_DDR_PHYS_SIZE	0xC000000
69 #define PFE_DDR_PHYS_END	(PFE_DDR_PHYS_BASE_ADDR + PFE_DDR_PHYS_SIZE)
70 /* CBUS physical base address as seen by PE's. */
71 #define PFE_CBUS_PHYS_BASE_ADDR	0xc0000000
72 
73 /* Host<->PFE Mapping */
74 #define DDR_PFE_TO_VIRT(p)	((unsigned long int)((p) + 0x80000000))
75 #define CBUS_VIRT_TO_PFE(v)	(((v) - CBUS_BASE_ADDR) +\
76 					PFE_CBUS_PHYS_BASE_ADDR)
77 #define CBUS_PFE_TO_VIRT(p)	(((p) - PFE_CBUS_PHYS_BASE_ADDR) +\
78 					CBUS_BASE_ADDR)
79 
80 enum {
81 	CLASS0_ID = 0,
82 	CLASS1_ID,
83 	CLASS2_ID,
84 	CLASS3_ID,
85 	CLASS4_ID,
86 	CLASS5_ID,
87 
88 	TMU0_ID,
89 	TMU1_ID,
90 	TMU2_ID,
91 	TMU3_ID,
92 	MAX_PE
93 };
94 
95 #define CLASS_MASK	(BIT(CLASS0_ID) | BIT(CLASS1_ID) | BIT(CLASS2_ID)\
96 				| BIT(CLASS3_ID) | BIT(CLASS4_ID) |\
97 				BIT(CLASS5_ID))
98 #define CLASS_MAX_ID	CLASS5_ID
99 
100 #define TMU_MASK	(BIT(TMU0_ID) | BIT(TMU1_ID) | BIT(TMU3_ID))
101 #define TMU_MAX_ID	TMU3_ID
102 
103 /*
104  * PE information.
105  * Structure containing PE's specific information. It is used to create
106  * generic C functions common to all PEs.
107  * Before using the library functions this structure needs to be
108  * initialized with the different registers virtual addresses
109  * (according to the ARM MMU mmaping). The default initialization supports a
110  * virtual == physical mapping.
111  *
112  */
113 struct pe_info {
114 	u32 dmem_base_addr;		/* PE's dmem base address */
115 	u32 pmem_base_addr;		/* PE's pmem base address */
116 	u32 pmem_size;			/* PE's pmem size */
117 
118 	void *mem_access_wdata;	       /* PE's _MEM_ACCESS_WDATA
119 					* register address
120 					*/
121 	void *mem_access_addr;	       /* PE's _MEM_ACCESS_ADDR
122 					* register address
123 					*/
124 	void *mem_access_rdata;	       /* PE's _MEM_ACCESS_RDATA
125 					* register address
126 					*/
127 };
128 
129 void pe_lmem_read(u32 *dst, u32 len, u32 offset);
130 void pe_lmem_write(u32 *src, u32 len, u32 offset);
131 
132 u32 pe_pmem_read(int id, u32 addr, u8 size);
133 void pe_dmem_write(int id, u32 val, u32 addr, u8 size);
134 u32 pe_dmem_read(int id, u32 addr, u8 size);
135 
136 int pe_load_elf_section(int id, const void *data, Elf32_Shdr *shdr);
137 
138 void pfe_lib_init(void);
139 
140 void bmu_init(void *base, struct bmu_cfg *cfg);
141 void bmu_enable(void *base);
142 
143 void gpi_init(void *base, struct gpi_cfg *cfg);
144 void gpi_enable(void *base);
145 void gpi_disable(void *base);
146 
147 void class_init(struct class_cfg *cfg);
148 void class_enable(void);
149 void class_disable(void);
150 
151 void tmu_init(struct tmu_cfg *cfg);
152 void tmu_enable(u32 pe_mask);
153 void tmu_disable(u32 pe_mask);
154 
155 void hif_init(void);
156 void hif_tx_enable(void);
157 void hif_tx_disable(void);
158 void hif_rx_enable(void);
159 void hif_rx_disable(void);
160 void hif_rx_desc_disable(void);
161 
162 #endif /* _PFE_H_ */
163