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powerpc/pcie: add PCIe version 3.x support
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ee53650d 1/*
7b4e5844 2 * Copyright 2007,2009-2012 Freescale Semiconductor, Inc.
63cec581 3 *
1a459660 4 * SPDX-License-Identifier: GPL-2.0+
63cec581
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5 */
6
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7#ifndef __FSL_PCI_H_
8#define __FSL_PCI_H_
9
3e7b6c1f 10#include <asm/fsl_law.h>
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11#include <asm/fsl_serdes.h>
12#include <pci.h>
3e7b6c1f 13
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14#define PEX_IP_BLK_REV_2_2 0x02080202
15#define PEX_IP_BLK_REV_2_3 0x02080203
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16#define PEX_IP_BLK_REV_3_0 0x02080300
17
18/* Freescale-specific PCI config registers */
19#define FSL_PCI_PBFR 0x44
20
21#ifdef CONFIG_SYS_FSL_PCI_VER_3_X
22/* Currently only the PCIe capability is used, so hardcode the offset.
23 * if more capabilities need to be justified, the capability link method
24 * should be applied here
25 */
26#define FSL_PCIE_CAP_ID 0x70
27#define PCI_DCR 0x78 /* PCIe Device Control Register */
28#define PCI_DSR 0x7a /* PCIe Device Status Register */
29#define PCI_LSR 0x82 /* PCIe Link Status Register */
30#define PCI_LCR 0x80 /* PCIe Link Control Register */
31#else
32#define FSL_PCIE_CAP_ID 0x4c
33#define PCI_DCR 0x54 /* PCIe Device Control Register */
34#define PCI_DSR 0x56 /* PCIe Device Status Register */
35#define PCI_LSR 0x5e /* PCIe Link Status Register */
36#define PCI_LCR 0x5c /* PCIe Link Control Register */
37#endif
38
39#define FSL_PCIE_CFG_RDY 0x4b0
40#define FSL_PROG_IF_AGENT 0x1
41
42#define PCI_LTSSM 0x404 /* PCIe Link Training, Status State Machine */
43#define PCI_LTSSM_L0 0x16 /* L0 state */
b6ccd2c9 44
ee53650d 45int fsl_setup_hose(struct pci_controller *hose, unsigned long addr);
715d8f76 46int fsl_is_pci_agent(struct pci_controller *hose);
32049b40 47void fsl_pci_config_unlock(struct pci_controller *hose);
3a0e3c27 48void ft_fsl_pci_setup(void *blob, const char *compat, unsigned long ctrl_addr);
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49
50/*
51 * Common PCI/PCIE Register structure for mpc85xx and mpc86xx
52 */
53
54/*
55 * PCI Translation Registers
56 */
57typedef struct pci_outbound_window {
58 u32 potar; /* 0x00 - Address */
59 u32 potear; /* 0x04 - Address Extended */
60 u32 powbar; /* 0x08 - Window Base Address */
61 u32 res1;
62 u32 powar; /* 0x10 - Window Attributes */
63#define POWAR_EN 0x80000000
64#define POWAR_IO_READ 0x00080000
65#define POWAR_MEM_READ 0x00040000
66#define POWAR_IO_WRITE 0x00008000
67#define POWAR_MEM_WRITE 0x00004000
68 u32 res2[3];
69} pot_t;
70
71typedef struct pci_inbound_window {
72 u32 pitar; /* 0x00 - Address */
73 u32 res1;
74 u32 piwbar; /* 0x08 - Window Base Address */
75 u32 piwbear; /* 0x0c - Window Base Address Extended */
76 u32 piwar; /* 0x10 - Window Attributes */
77#define PIWAR_EN 0x80000000
78#define PIWAR_PF 0x20000000
79#define PIWAR_LOCAL 0x00f00000
80#define PIWAR_READ_SNOOP 0x00050000
81#define PIWAR_WRITE_SNOOP 0x00005000
82 u32 res2[3];
83} pit_t;
84
85/* PCI/PCI Express Registers */
86typedef struct ccsr_pci {
87 u32 cfg_addr; /* 0x000 - PCI Configuration Address Register */
88 u32 cfg_data; /* 0x004 - PCI Configuration Data Register */
89 u32 int_ack; /* 0x008 - PCI Interrupt Acknowledge Register */
90 u32 out_comp_to; /* 0x00C - PCI Outbound Completion Timeout Register */
91 u32 out_conf_to; /* 0x010 - PCI Configuration Timeout Register */
92 u32 config; /* 0x014 - PCIE CONFIG Register */
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93 u32 int_status; /* 0x018 - PCIE interrupt status register */
94 char res2[4];
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95 u32 pme_msg_det; /* 0x020 - PCIE PME & message detect register */
96 u32 pme_msg_dis; /* 0x024 - PCIE PME & message disable register */
97 u32 pme_msg_int_en; /* 0x028 - PCIE PME & message interrupt enable register */
98 u32 pm_command; /* 0x02c - PCIE PM Command register */
99 char res4[3016]; /* (- #xbf8 #x30)3016 */
100 u32 block_rev1; /* 0xbf8 - PCIE Block Revision register 1 */
101 u32 block_rev2; /* 0xbfc - PCIE Block Revision register 2 */
102
103 pot_t pot[5]; /* 0xc00 - 0xc9f Outbound ATMU's 0, 1, 2, 3, and 4 */
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104 u32 res5[24];
105 pit_t pmit; /* 0xd00 - 0xd9c Inbound ATMU's MSI */
106 u32 res6[24];
107 pit_t pit[4]; /* 0xd80 - 0xdff Inbound ATMU's 3, 2, 1 and 0 */
108
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109#define PIT3 0
110#define PIT2 1
111#define PIT1 2
112
113#if 0
114 u32 potar0; /* 0xc00 - PCI Outbound Transaction Address Register 0 */
115 u32 potear0; /* 0xc04 - PCI Outbound Translation Extended Address Register 0 */
116 char res5[8];
117 u32 powar0; /* 0xc10 - PCI Outbound Window Attributes Register 0 */
118 char res6[12];
119 u32 potar1; /* 0xc20 - PCI Outbound Transaction Address Register 1 */
120 u32 potear1; /* 0xc24 - PCI Outbound Translation Extended Address Register 1 */
121 u32 powbar1; /* 0xc28 - PCI Outbound Window Base Address Register 1 */
122 char res7[4];
123 u32 powar1; /* 0xc30 - PCI Outbound Window Attributes Register 1 */
124 char res8[12];
125 u32 potar2; /* 0xc40 - PCI Outbound Transaction Address Register 2 */
126 u32 potear2; /* 0xc44 - PCI Outbound Translation Extended Address Register 2 */
127 u32 powbar2; /* 0xc48 - PCI Outbound Window Base Address Register 2 */
128 char res9[4];
129 u32 powar2; /* 0xc50 - PCI Outbound Window Attributes Register 2 */
130 char res10[12];
131 u32 potar3; /* 0xc60 - PCI Outbound Transaction Address Register 3 */
132 u32 potear3; /* 0xc64 - PCI Outbound Translation Extended Address Register 3 */
133 u32 powbar3; /* 0xc68 - PCI Outbound Window Base Address Register 3 */
134 char res11[4];
135 u32 powar3; /* 0xc70 - PCI Outbound Window Attributes Register 3 */
136 char res12[12];
137 u32 potar4; /* 0xc80 - PCI Outbound Transaction Address Register 4 */
138 u32 potear4; /* 0xc84 - PCI Outbound Translation Extended Address Register 4 */
139 u32 powbar4; /* 0xc88 - PCI Outbound Window Base Address Register 4 */
140 char res13[4];
141 u32 powar4; /* 0xc90 - PCI Outbound Window Attributes Register 4 */
142 char res14[268];
143 u32 pitar3; /* 0xda0 - PCI Inbound Translation Address Register 3 */
144 char res15[4];
145 u32 piwbar3; /* 0xda8 - PCI Inbound Window Base Address Register 3 */
146 u32 piwbear3; /* 0xdac - PCI Inbound Window Base Extended Address Register 3 */
147 u32 piwar3; /* 0xdb0 - PCI Inbound Window Attributes Register 3 */
148 char res16[12];
149 u32 pitar2; /* 0xdc0 - PCI Inbound Translation Address Register 2 */
150 char res17[4];
151 u32 piwbar2; /* 0xdc8 - PCI Inbound Window Base Address Register 2 */
152 u32 piwbear2; /* 0xdcc - PCI Inbound Window Base Extended Address Register 2 */
153 u32 piwar2; /* 0xdd0 - PCI Inbound Window Attributes Register 2 */
154 char res18[12];
155 u32 pitar1; /* 0xde0 - PCI Inbound Translation Address Register 1 */
156 char res19[4];
157 u32 piwbar1; /* 0xde8 - PCI Inbound Window Base Address Register 1 */
158 char res20[4];
159 u32 piwar1; /* 0xdf0 - PCI Inbound Window Attributes Register 1 */
160 char res21[12];
161#endif
162 u32 pedr; /* 0xe00 - PCI Error Detect Register */
163 u32 pecdr; /* 0xe04 - PCI Error Capture Disable Register */
164 u32 peer; /* 0xe08 - PCI Error Interrupt Enable Register */
165 u32 peattrcr; /* 0xe0c - PCI Error Attributes Capture Register */
166 u32 peaddrcr; /* 0xe10 - PCI Error Address Capture Register */
167/* u32 perr_disr * 0xe10 - PCIE Erorr Disable Register */
168 u32 peextaddrcr; /* 0xe14 - PCI Error Extended Address Capture Register */
169 u32 pedlcr; /* 0xe18 - PCI Error Data Low Capture Register */
170 u32 pedhcr; /* 0xe1c - PCI Error Error Data High Capture Register */
171 u32 gas_timr; /* 0xe20 - PCI Gasket Timer Register */
172/* u32 perr_cap_stat; * 0xe20 - PCIE Error Capture Status Register */
173 char res22[4];
174 u32 perr_cap0; /* 0xe28 - PCIE Error Capture Register 0 */
175 u32 perr_cap1; /* 0xe2c - PCIE Error Capture Register 1 */
176 u32 perr_cap2; /* 0xe30 - PCIE Error Capture Register 2 */
177 u32 perr_cap3; /* 0xe34 - PCIE Error Capture Register 3 */
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178 char res23[200];
179 u32 pdb_stat; /* 0xf00 - PCIE Debug Status */
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180 char res24[16];
181 u32 pex_csr0; /* 0xf14 - PEX Control/Status register 0*/
182 u32 pex_csr1; /* 0xf18 - PEX Control/Status register 1*/
183 char res25[228];
63cec581 184} ccsr_fsl_pci_t;
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185#define PCIE_CONFIG_PC 0x00020000
186#define PCIE_CONFIG_OB_CK 0x00002000
187#define PCIE_CONFIG_SAC 0x00000010
188#define PCIE_CONFIG_SP 0x80000002
189#define PCIE_CONFIG_SCC 0x80000001
63cec581 190
0d3d68b2 191struct fsl_pci_info {
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192 unsigned long regs;
193 pci_addr_t mem_bus;
194 phys_size_t mem_phys;
195 pci_size_t mem_size;
196 pci_addr_t io_bus;
197 phys_size_t io_phys;
198 pci_size_t io_size;
199 enum law_trgt_if law;
200 int pci_num;
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201};
202
213ac73e 203void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info);
0d3d68b2 204int fsl_pci_init_port(struct fsl_pci_info *pci_info,
01471d53 205 struct pci_controller *hose, int busno);
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206int fsl_pcie_init_ctrl(int busno, u32 devdisr, enum srds_prtcl dev,
207 struct fsl_pci_info *pci_info);
208int fsl_pcie_init_board(int busno);
0d3d68b2 209
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210#define SET_STD_PCI_INFO(x, num) \
211{ \
212 x.regs = CONFIG_SYS_PCI##num##_ADDR; \
213 x.mem_bus = CONFIG_SYS_PCI##num##_MEM_BUS; \
214 x.mem_phys = CONFIG_SYS_PCI##num##_MEM_PHYS; \
215 x.mem_size = CONFIG_SYS_PCI##num##_MEM_SIZE; \
216 x.io_bus = CONFIG_SYS_PCI##num##_IO_BUS; \
217 x.io_phys = CONFIG_SYS_PCI##num##_IO_PHYS; \
218 x.io_size = CONFIG_SYS_PCI##num##_IO_SIZE; \
752bc335 219 x.law = LAW_TRGT_IF_PCI_##num; \
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220 x.pci_num = num; \
221}
222
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223#define SET_STD_PCIE_INFO(x, num) \
224{ \
225 x.regs = CONFIG_SYS_PCIE##num##_ADDR; \
226 x.mem_bus = CONFIG_SYS_PCIE##num##_MEM_BUS; \
227 x.mem_phys = CONFIG_SYS_PCIE##num##_MEM_PHYS; \
228 x.mem_size = CONFIG_SYS_PCIE##num##_MEM_SIZE; \
229 x.io_bus = CONFIG_SYS_PCIE##num##_IO_BUS; \
230 x.io_phys = CONFIG_SYS_PCIE##num##_IO_PHYS; \
231 x.io_size = CONFIG_SYS_PCIE##num##_IO_SIZE; \
752bc335 232 x.law = LAW_TRGT_IF_PCIE_##num; \
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233 x.pci_num = num; \
234}
235
6525d51f 236#define __FT_FSL_PCI_SETUP(blob, compat, num) \
3a0e3c27 237 ft_fsl_pci_setup(blob, compat, CONFIG_SYS_PCI##num##_ADDR)
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238
239#define __FT_FSL_PCIE_SETUP(blob, compat, num) \
3a0e3c27 240 ft_fsl_pci_setup(blob, compat, CONFIG_SYS_PCIE##num##_ADDR)
6525d51f 241
6525d51f 242#define FT_FSL_PCI1_SETUP __FT_FSL_PCI_SETUP(blob, FSL_PCI_COMPAT, 1)
6525d51f 243#define FT_FSL_PCI2_SETUP __FT_FSL_PCI_SETUP(blob, FSL_PCI_COMPAT, 2)
6525d51f 244
6525d51f 245#define FT_FSL_PCIE1_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 1)
6525d51f 246#define FT_FSL_PCIE2_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 2)
6525d51f 247#define FT_FSL_PCIE3_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 3)
6525d51f 248#define FT_FSL_PCIE4_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 4)
6525d51f 249
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250#if !defined(CONFIG_PCI)
251#define FT_FSL_PCI_SETUP
252#elif defined(CONFIG_FSL_CORENET)
8f29084a 253#define FSL_PCIE_COMPAT CONFIG_SYS_FSL_PCIE_COMPAT
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254#define FT_FSL_PCI_SETUP \
255 FT_FSL_PCIE1_SETUP; \
256 FT_FSL_PCIE2_SETUP; \
257 FT_FSL_PCIE3_SETUP; \
258 FT_FSL_PCIE4_SETUP;
a4aafcc9 259#define FT_FSL_PCIE_SETUP FT_FSL_PCI_SETUP
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260#elif defined(CONFIG_MPC85xx)
261#define FSL_PCI_COMPAT "fsl,mpc8540-pci"
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262#ifdef CONFIG_SYS_FSL_PCIE_COMPAT
263#define FSL_PCIE_COMPAT CONFIG_SYS_FSL_PCIE_COMPAT
264#else
6525d51f 265#define FSL_PCIE_COMPAT "fsl,mpc8548-pcie"
8f29084a 266#endif
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267#define FT_FSL_PCI_SETUP \
268 FT_FSL_PCI1_SETUP; \
269 FT_FSL_PCI2_SETUP; \
270 FT_FSL_PCIE1_SETUP; \
271 FT_FSL_PCIE2_SETUP; \
272 FT_FSL_PCIE3_SETUP;
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273#define FT_FSL_PCIE_SETUP \
274 FT_FSL_PCIE1_SETUP; \
275 FT_FSL_PCIE2_SETUP; \
276 FT_FSL_PCIE3_SETUP;
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277#elif defined(CONFIG_MPC86xx)
278#define FSL_PCI_COMPAT "fsl,mpc8610-pci"
279#define FSL_PCIE_COMPAT "fsl,mpc8641-pcie"
280#define FT_FSL_PCI_SETUP \
281 FT_FSL_PCI1_SETUP; \
282 FT_FSL_PCIE1_SETUP; \
283 FT_FSL_PCIE2_SETUP;
284#else
285#error FT_FSL_PCI_SETUP not defined
286#endif
287
288
32049b40 289#endif