1 /*
2  * Copyright 2007,2009-2011 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef __FSL_PCI_H_
8 #define __FSL_PCI_H_
9 
10 #include <asm/fsl_law.h>
11 #include <asm/fsl_serdes.h>
12 #include <pci.h>
13 
14 #define PEX_IP_BLK_REV_2_2	0x02080202
15 #define PEX_IP_BLK_REV_2_3	0x02080203
16 
17 int fsl_setup_hose(struct pci_controller *hose, unsigned long addr);
18 int fsl_is_pci_agent(struct pci_controller *hose);
19 void fsl_pci_config_unlock(struct pci_controller *hose);
20 void ft_fsl_pci_setup(void *blob, const char *compat, unsigned long ctrl_addr);
21 
22 /*
23  * Common PCI/PCIE Register structure for mpc85xx and mpc86xx
24  */
25 
26 /*
27  * PCI Translation Registers
28  */
29 typedef struct pci_outbound_window {
30 	u32	potar;		/* 0x00 - Address */
31 	u32	potear;		/* 0x04 - Address Extended */
32 	u32	powbar;		/* 0x08 - Window Base Address */
33 	u32	res1;
34 	u32	powar;		/* 0x10 - Window Attributes */
35 #define POWAR_EN	0x80000000
36 #define POWAR_IO_READ	0x00080000
37 #define POWAR_MEM_READ	0x00040000
38 #define POWAR_IO_WRITE	0x00008000
39 #define POWAR_MEM_WRITE	0x00004000
40 	u32	res2[3];
41 } pot_t;
42 
43 typedef struct pci_inbound_window {
44 	u32	pitar;		/* 0x00 - Address */
45 	u32	res1;
46 	u32	piwbar;		/* 0x08 - Window Base Address */
47 	u32	piwbear;	/* 0x0c - Window Base Address Extended */
48 	u32	piwar;		/* 0x10 - Window Attributes */
49 #define PIWAR_EN		0x80000000
50 #define PIWAR_PF		0x20000000
51 #define PIWAR_LOCAL		0x00f00000
52 #define PIWAR_READ_SNOOP	0x00050000
53 #define PIWAR_WRITE_SNOOP	0x00005000
54 	u32	res2[3];
55 } pit_t;
56 
57 /* PCI/PCI Express Registers */
58 typedef struct ccsr_pci {
59 	u32	cfg_addr;	/* 0x000 - PCI Configuration Address Register */
60 	u32	cfg_data;	/* 0x004 - PCI Configuration Data Register */
61 	u32	int_ack;	/* 0x008 - PCI Interrupt Acknowledge Register */
62 	u32	out_comp_to;	/* 0x00C - PCI Outbound Completion Timeout Register */
63 	u32	out_conf_to;	/* 0x010 - PCI Configuration Timeout Register */
64 	u32	config;		/* 0x014 - PCIE CONFIG Register */
65 	u32	int_status;	/* 0x018 - PCIE interrupt status register */
66 	char	res2[4];
67 	u32	pme_msg_det;	/* 0x020 - PCIE PME & message detect register */
68 	u32	pme_msg_dis;	/* 0x024 - PCIE PME & message disable register */
69 	u32	pme_msg_int_en;	/* 0x028 - PCIE PME & message interrupt enable register */
70 	u32	pm_command;	/* 0x02c - PCIE PM Command register */
71 	char	res4[3016];	/*     (- #xbf8	 #x30)3016 */
72 	u32	block_rev1;	/* 0xbf8 - PCIE Block Revision register 1 */
73 	u32	block_rev2;	/* 0xbfc - PCIE Block Revision register 2 */
74 
75 	pot_t	pot[5];		/* 0xc00 - 0xc9f Outbound ATMU's 0, 1, 2, 3, and 4 */
76 	u32	res5[24];
77 	pit_t	pmit;		/* 0xd00 - 0xd9c Inbound ATMU's MSI */
78 	u32	res6[24];
79 	pit_t	pit[4];		/* 0xd80 - 0xdff Inbound ATMU's 3, 2, 1 and 0 */
80 
81 #define PIT3 0
82 #define PIT2 1
83 #define PIT1 2
84 
85 #if 0
86 	u32	potar0;		/* 0xc00 - PCI Outbound Transaction Address Register 0 */
87 	u32	potear0;	/* 0xc04 - PCI Outbound Translation Extended Address Register 0 */
88 	char	res5[8];
89 	u32	powar0;		/* 0xc10 - PCI Outbound Window Attributes Register 0 */
90 	char	res6[12];
91 	u32	potar1;		/* 0xc20 - PCI Outbound Transaction Address Register 1 */
92 	u32	potear1;	/* 0xc24 - PCI Outbound Translation Extended Address Register 1 */
93 	u32	powbar1;	/* 0xc28 - PCI Outbound Window Base Address Register 1 */
94 	char	res7[4];
95 	u32	powar1;		/* 0xc30 - PCI Outbound Window Attributes Register 1 */
96 	char	res8[12];
97 	u32	potar2;		/* 0xc40 - PCI Outbound Transaction Address Register 2 */
98 	u32	potear2;	/* 0xc44 - PCI Outbound Translation Extended Address Register 2 */
99 	u32	powbar2;	/* 0xc48 - PCI Outbound Window Base Address Register 2 */
100 	char	res9[4];
101 	u32	powar2;		/* 0xc50 - PCI Outbound Window Attributes Register 2 */
102 	char	res10[12];
103 	u32	potar3;		/* 0xc60 - PCI Outbound Transaction Address Register 3 */
104 	u32	potear3;	/* 0xc64 - PCI Outbound Translation Extended Address Register 3 */
105 	u32	powbar3;	/* 0xc68 - PCI Outbound Window Base Address Register 3 */
106 	char	res11[4];
107 	u32	powar3;		/* 0xc70 - PCI Outbound Window Attributes Register 3 */
108 	char	res12[12];
109 	u32	potar4;		/* 0xc80 - PCI Outbound Transaction Address Register 4 */
110 	u32	potear4;	/* 0xc84 - PCI Outbound Translation Extended Address Register 4 */
111 	u32	powbar4;	/* 0xc88 - PCI Outbound Window Base Address Register 4 */
112 	char	res13[4];
113 	u32	powar4;		/* 0xc90 - PCI Outbound Window Attributes Register 4 */
114 	char	res14[268];
115 	u32	pitar3;		/* 0xda0 - PCI Inbound Translation Address Register 3 */
116 	char	res15[4];
117 	u32	piwbar3;	/* 0xda8 - PCI Inbound Window Base Address Register 3 */
118 	u32	piwbear3;	/* 0xdac - PCI Inbound Window Base Extended Address Register 3 */
119 	u32	piwar3;		/* 0xdb0 - PCI Inbound Window Attributes Register 3 */
120 	char	res16[12];
121 	u32	pitar2;		/* 0xdc0 - PCI Inbound Translation Address Register 2 */
122 	char	res17[4];
123 	u32	piwbar2;	/* 0xdc8 - PCI Inbound Window Base Address Register 2 */
124 	u32	piwbear2;	/* 0xdcc - PCI Inbound Window Base Extended Address Register 2 */
125 	u32	piwar2;		/* 0xdd0 - PCI Inbound Window Attributes Register 2 */
126 	char	res18[12];
127 	u32	pitar1;		/* 0xde0 - PCI Inbound Translation Address Register 1 */
128 	char	res19[4];
129 	u32	piwbar1;	/* 0xde8 - PCI Inbound Window Base Address Register 1 */
130 	char	res20[4];
131 	u32	piwar1;		/* 0xdf0 - PCI Inbound Window Attributes Register 1 */
132 	char	res21[12];
133 #endif
134 	u32	pedr;		/* 0xe00 - PCI Error Detect Register */
135 	u32	pecdr;		/* 0xe04 - PCI Error Capture Disable Register */
136 	u32	peer;		/* 0xe08 - PCI Error Interrupt Enable Register */
137 	u32	peattrcr;	/* 0xe0c - PCI Error Attributes Capture Register */
138 	u32	peaddrcr;	/* 0xe10 - PCI Error Address Capture Register */
139 /*	u32	perr_disr	 * 0xe10 - PCIE Erorr Disable Register */
140 	u32	peextaddrcr;	/* 0xe14 - PCI	Error Extended Address Capture Register */
141 	u32	pedlcr;		/* 0xe18 - PCI Error Data Low Capture Register */
142 	u32	pedhcr;		/* 0xe1c - PCI Error Error Data High Capture Register */
143 	u32	gas_timr;	/* 0xe20 - PCI Gasket Timer Register */
144 /*	u32	perr_cap_stat;	 * 0xe20 - PCIE Error Capture Status Register */
145 	char	res22[4];
146 	u32	perr_cap0;	/* 0xe28 - PCIE Error Capture Register 0 */
147 	u32	perr_cap1;	/* 0xe2c - PCIE Error Capture Register 1 */
148 	u32	perr_cap2;	/* 0xe30 - PCIE Error Capture Register 2 */
149 	u32	perr_cap3;	/* 0xe34 - PCIE Error Capture Register 3 */
150 	char	res23[200];
151 	u32	pdb_stat;	/* 0xf00 - PCIE Debug Status */
152 	char	res24[252];
153 } ccsr_fsl_pci_t;
154 #define PCIE_CONFIG_PC	0x00020000
155 #define PCIE_CONFIG_OB_CK	0x00002000
156 #define PCIE_CONFIG_SAC	0x00000010
157 #define PCIE_CONFIG_SP	0x80000002
158 #define PCIE_CONFIG_SCC	0x80000001
159 
160 struct fsl_pci_info {
161 	unsigned long regs;
162 	pci_addr_t mem_bus;
163 	phys_size_t mem_phys;
164 	pci_size_t mem_size;
165 	pci_addr_t io_bus;
166 	phys_size_t io_phys;
167 	pci_size_t io_size;
168 	enum law_trgt_if law;
169 	int pci_num;
170 };
171 
172 void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info);
173 int fsl_pci_init_port(struct fsl_pci_info *pci_info,
174 				struct pci_controller *hose, int busno);
175 int fsl_pcie_init_ctrl(int busno, u32 devdisr, enum srds_prtcl dev,
176 			struct fsl_pci_info *pci_info);
177 int fsl_pcie_init_board(int busno);
178 
179 #define SET_STD_PCI_INFO(x, num) \
180 {			\
181 	x.regs = CONFIG_SYS_PCI##num##_ADDR;	\
182 	x.mem_bus = CONFIG_SYS_PCI##num##_MEM_BUS; \
183 	x.mem_phys = CONFIG_SYS_PCI##num##_MEM_PHYS; \
184 	x.mem_size = CONFIG_SYS_PCI##num##_MEM_SIZE; \
185 	x.io_bus = CONFIG_SYS_PCI##num##_IO_BUS; \
186 	x.io_phys = CONFIG_SYS_PCI##num##_IO_PHYS; \
187 	x.io_size = CONFIG_SYS_PCI##num##_IO_SIZE; \
188 	x.law = LAW_TRGT_IF_PCI_##num; \
189 	x.pci_num = num; \
190 }
191 
192 #define SET_STD_PCIE_INFO(x, num) \
193 {			\
194 	x.regs = CONFIG_SYS_PCIE##num##_ADDR;	\
195 	x.mem_bus = CONFIG_SYS_PCIE##num##_MEM_BUS; \
196 	x.mem_phys = CONFIG_SYS_PCIE##num##_MEM_PHYS; \
197 	x.mem_size = CONFIG_SYS_PCIE##num##_MEM_SIZE; \
198 	x.io_bus = CONFIG_SYS_PCIE##num##_IO_BUS; \
199 	x.io_phys = CONFIG_SYS_PCIE##num##_IO_PHYS; \
200 	x.io_size = CONFIG_SYS_PCIE##num##_IO_SIZE; \
201 	x.law = LAW_TRGT_IF_PCIE_##num; \
202 	x.pci_num = num; \
203 }
204 
205 #define __FT_FSL_PCI_SETUP(blob, compat, num) \
206 	ft_fsl_pci_setup(blob, compat, CONFIG_SYS_PCI##num##_ADDR)
207 
208 #define __FT_FSL_PCIE_SETUP(blob, compat, num) \
209 	ft_fsl_pci_setup(blob, compat, CONFIG_SYS_PCIE##num##_ADDR)
210 
211 #define FT_FSL_PCI1_SETUP __FT_FSL_PCI_SETUP(blob, FSL_PCI_COMPAT, 1)
212 #define FT_FSL_PCI2_SETUP __FT_FSL_PCI_SETUP(blob, FSL_PCI_COMPAT, 2)
213 
214 #define FT_FSL_PCIE1_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 1)
215 #define FT_FSL_PCIE2_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 2)
216 #define FT_FSL_PCIE3_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 3)
217 #define FT_FSL_PCIE4_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 4)
218 
219 #if !defined(CONFIG_PCI)
220 #define FT_FSL_PCI_SETUP
221 #elif defined(CONFIG_FSL_CORENET)
222 #define FSL_PCIE_COMPAT	CONFIG_SYS_FSL_PCIE_COMPAT
223 #define FT_FSL_PCI_SETUP \
224 	FT_FSL_PCIE1_SETUP; \
225 	FT_FSL_PCIE2_SETUP; \
226 	FT_FSL_PCIE3_SETUP; \
227 	FT_FSL_PCIE4_SETUP;
228 #define FT_FSL_PCIE_SETUP FT_FSL_PCI_SETUP
229 #elif defined(CONFIG_MPC85xx)
230 #define FSL_PCI_COMPAT	"fsl,mpc8540-pci"
231 #ifdef CONFIG_SYS_FSL_PCIE_COMPAT
232 #define FSL_PCIE_COMPAT	CONFIG_SYS_FSL_PCIE_COMPAT
233 #else
234 #define FSL_PCIE_COMPAT	"fsl,mpc8548-pcie"
235 #endif
236 #define FT_FSL_PCI_SETUP \
237 	FT_FSL_PCI1_SETUP; \
238 	FT_FSL_PCI2_SETUP; \
239 	FT_FSL_PCIE1_SETUP; \
240 	FT_FSL_PCIE2_SETUP; \
241 	FT_FSL_PCIE3_SETUP;
242 #define FT_FSL_PCIE_SETUP \
243 	FT_FSL_PCIE1_SETUP; \
244 	FT_FSL_PCIE2_SETUP; \
245 	FT_FSL_PCIE3_SETUP;
246 #elif defined(CONFIG_MPC86xx)
247 #define FSL_PCI_COMPAT	"fsl,mpc8610-pci"
248 #define FSL_PCIE_COMPAT	"fsl,mpc8641-pcie"
249 #define FT_FSL_PCI_SETUP \
250 	FT_FSL_PCI1_SETUP; \
251 	FT_FSL_PCIE1_SETUP; \
252 	FT_FSL_PCIE2_SETUP;
253 #else
254 #error FT_FSL_PCI_SETUP not defined
255 #endif
256 
257 
258 #endif
259