1 /*
2  * Copyright 2007,2009-2010 Freescale Semiconductor, Inc.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of
7  * the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17  * MA 02111-1307 USA
18  *
19  */
20 
21 #ifndef __FSL_PCI_H_
22 #define __FSL_PCI_H_
23 
24 #include <asm/fsl_law.h>
25 #include <asm/fsl_serdes.h>
26 #include <pci.h>
27 
28 int fsl_setup_hose(struct pci_controller *hose, unsigned long addr);
29 int fsl_is_pci_agent(struct pci_controller *hose);
30 void fsl_pci_config_unlock(struct pci_controller *hose);
31 void ft_fsl_pci_setup(void *blob, const char *compat, unsigned long ctrl_addr);
32 
33 /*
34  * Common PCI/PCIE Register structure for mpc85xx and mpc86xx
35  */
36 
37 /*
38  * PCI Translation Registers
39  */
40 typedef struct pci_outbound_window {
41 	u32	potar;		/* 0x00 - Address */
42 	u32	potear;		/* 0x04 - Address Extended */
43 	u32	powbar;		/* 0x08 - Window Base Address */
44 	u32	res1;
45 	u32	powar;		/* 0x10 - Window Attributes */
46 #define POWAR_EN	0x80000000
47 #define POWAR_IO_READ	0x00080000
48 #define POWAR_MEM_READ	0x00040000
49 #define POWAR_IO_WRITE	0x00008000
50 #define POWAR_MEM_WRITE	0x00004000
51 	u32	res2[3];
52 } pot_t;
53 
54 typedef struct pci_inbound_window {
55 	u32	pitar;		/* 0x00 - Address */
56 	u32	res1;
57 	u32	piwbar;		/* 0x08 - Window Base Address */
58 	u32	piwbear;	/* 0x0c - Window Base Address Extended */
59 	u32	piwar;		/* 0x10 - Window Attributes */
60 #define PIWAR_EN		0x80000000
61 #define PIWAR_PF		0x20000000
62 #define PIWAR_LOCAL		0x00f00000
63 #define PIWAR_READ_SNOOP	0x00050000
64 #define PIWAR_WRITE_SNOOP	0x00005000
65 	u32	res2[3];
66 } pit_t;
67 
68 /* PCI/PCI Express Registers */
69 typedef struct ccsr_pci {
70 	u32	cfg_addr;	/* 0x000 - PCI Configuration Address Register */
71 	u32	cfg_data;	/* 0x004 - PCI Configuration Data Register */
72 	u32	int_ack;	/* 0x008 - PCI Interrupt Acknowledge Register */
73 	u32	out_comp_to;	/* 0x00C - PCI Outbound Completion Timeout Register */
74 	u32	out_conf_to;	/* 0x010 - PCI Configuration Timeout Register */
75 	u32	config;		/* 0x014 - PCIE CONFIG Register */
76 	char	res2[8];
77 	u32	pme_msg_det;	/* 0x020 - PCIE PME & message detect register */
78 	u32	pme_msg_dis;	/* 0x024 - PCIE PME & message disable register */
79 	u32	pme_msg_int_en;	/* 0x028 - PCIE PME & message interrupt enable register */
80 	u32	pm_command;	/* 0x02c - PCIE PM Command register */
81 	char	res4[3016];	/*     (- #xbf8	 #x30)3016 */
82 	u32	block_rev1;	/* 0xbf8 - PCIE Block Revision register 1 */
83 	u32	block_rev2;	/* 0xbfc - PCIE Block Revision register 2 */
84 
85 	pot_t	pot[5];		/* 0xc00 - 0xc9f Outbound ATMU's 0, 1, 2, 3, and 4 */
86 	u32	res5[64];
87 	pit_t	pit[3];		/* 0xda0 - 0xdff Inbound ATMU's 3, 2, and 1 */
88 #define PIT3 0
89 #define PIT2 1
90 #define PIT1 2
91 
92 #if 0
93 	u32	potar0;		/* 0xc00 - PCI Outbound Transaction Address Register 0 */
94 	u32	potear0;	/* 0xc04 - PCI Outbound Translation Extended Address Register 0 */
95 	char	res5[8];
96 	u32	powar0;		/* 0xc10 - PCI Outbound Window Attributes Register 0 */
97 	char	res6[12];
98 	u32	potar1;		/* 0xc20 - PCI Outbound Transaction Address Register 1 */
99 	u32	potear1;	/* 0xc24 - PCI Outbound Translation Extended Address Register 1 */
100 	u32	powbar1;	/* 0xc28 - PCI Outbound Window Base Address Register 1 */
101 	char	res7[4];
102 	u32	powar1;		/* 0xc30 - PCI Outbound Window Attributes Register 1 */
103 	char	res8[12];
104 	u32	potar2;		/* 0xc40 - PCI Outbound Transaction Address Register 2 */
105 	u32	potear2;	/* 0xc44 - PCI Outbound Translation Extended Address Register 2 */
106 	u32	powbar2;	/* 0xc48 - PCI Outbound Window Base Address Register 2 */
107 	char	res9[4];
108 	u32	powar2;		/* 0xc50 - PCI Outbound Window Attributes Register 2 */
109 	char	res10[12];
110 	u32	potar3;		/* 0xc60 - PCI Outbound Transaction Address Register 3 */
111 	u32	potear3;	/* 0xc64 - PCI Outbound Translation Extended Address Register 3 */
112 	u32	powbar3;	/* 0xc68 - PCI Outbound Window Base Address Register 3 */
113 	char	res11[4];
114 	u32	powar3;		/* 0xc70 - PCI Outbound Window Attributes Register 3 */
115 	char	res12[12];
116 	u32	potar4;		/* 0xc80 - PCI Outbound Transaction Address Register 4 */
117 	u32	potear4;	/* 0xc84 - PCI Outbound Translation Extended Address Register 4 */
118 	u32	powbar4;	/* 0xc88 - PCI Outbound Window Base Address Register 4 */
119 	char	res13[4];
120 	u32	powar4;		/* 0xc90 - PCI Outbound Window Attributes Register 4 */
121 	char	res14[268];
122 	u32	pitar3;		/* 0xda0 - PCI Inbound Translation Address Register 3 */
123 	char	res15[4];
124 	u32	piwbar3;	/* 0xda8 - PCI Inbound Window Base Address Register 3 */
125 	u32	piwbear3;	/* 0xdac - PCI Inbound Window Base Extended Address Register 3 */
126 	u32	piwar3;		/* 0xdb0 - PCI Inbound Window Attributes Register 3 */
127 	char	res16[12];
128 	u32	pitar2;		/* 0xdc0 - PCI Inbound Translation Address Register 2 */
129 	char	res17[4];
130 	u32	piwbar2;	/* 0xdc8 - PCI Inbound Window Base Address Register 2 */
131 	u32	piwbear2;	/* 0xdcc - PCI Inbound Window Base Extended Address Register 2 */
132 	u32	piwar2;		/* 0xdd0 - PCI Inbound Window Attributes Register 2 */
133 	char	res18[12];
134 	u32	pitar1;		/* 0xde0 - PCI Inbound Translation Address Register 1 */
135 	char	res19[4];
136 	u32	piwbar1;	/* 0xde8 - PCI Inbound Window Base Address Register 1 */
137 	char	res20[4];
138 	u32	piwar1;		/* 0xdf0 - PCI Inbound Window Attributes Register 1 */
139 	char	res21[12];
140 #endif
141 	u32	pedr;		/* 0xe00 - PCI Error Detect Register */
142 	u32	pecdr;		/* 0xe04 - PCI Error Capture Disable Register */
143 	u32	peer;		/* 0xe08 - PCI Error Interrupt Enable Register */
144 	u32	peattrcr;	/* 0xe0c - PCI Error Attributes Capture Register */
145 	u32	peaddrcr;	/* 0xe10 - PCI Error Address Capture Register */
146 /*	u32	perr_disr	 * 0xe10 - PCIE Erorr Disable Register */
147 	u32	peextaddrcr;	/* 0xe14 - PCI	Error Extended Address Capture Register */
148 	u32	pedlcr;		/* 0xe18 - PCI Error Data Low Capture Register */
149 	u32	pedhcr;		/* 0xe1c - PCI Error Error Data High Capture Register */
150 	u32	gas_timr;	/* 0xe20 - PCI Gasket Timer Register */
151 /*	u32	perr_cap_stat;	 * 0xe20 - PCIE Error Capture Status Register */
152 	char	res22[4];
153 	u32	perr_cap0;	/* 0xe28 - PCIE Error Capture Register 0 */
154 	u32	perr_cap1;	/* 0xe2c - PCIE Error Capture Register 1 */
155 	u32	perr_cap2;	/* 0xe30 - PCIE Error Capture Register 2 */
156 	u32	perr_cap3;	/* 0xe34 - PCIE Error Capture Register 3 */
157 	char	res23[200];
158 	u32	pdb_stat;	/* 0xf00 - PCIE Debug Status */
159 	char	res24[252];
160 } ccsr_fsl_pci_t;
161 
162 struct fsl_pci_info {
163 	unsigned long regs;
164 	pci_addr_t mem_bus;
165 	phys_size_t mem_phys;
166 	pci_size_t mem_size;
167 	pci_addr_t io_bus;
168 	phys_size_t io_phys;
169 	pci_size_t io_size;
170 	enum law_trgt_if law;
171 	int pci_num;
172 };
173 
174 void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info);
175 int fsl_pci_init_port(struct fsl_pci_info *pci_info,
176 				struct pci_controller *hose, int busno);
177 int fsl_pcie_init_ctrl(int busno, u32 devdisr, enum srds_prtcl dev,
178 			struct fsl_pci_info *pci_info);
179 int fsl_pcie_init_board(int busno);
180 
181 #define SET_STD_PCI_INFO(x, num) \
182 {			\
183 	x.regs = CONFIG_SYS_PCI##num##_ADDR;	\
184 	x.mem_bus = CONFIG_SYS_PCI##num##_MEM_BUS; \
185 	x.mem_phys = CONFIG_SYS_PCI##num##_MEM_PHYS; \
186 	x.mem_size = CONFIG_SYS_PCI##num##_MEM_SIZE; \
187 	x.io_bus = CONFIG_SYS_PCI##num##_IO_BUS; \
188 	x.io_phys = CONFIG_SYS_PCI##num##_IO_PHYS; \
189 	x.io_size = CONFIG_SYS_PCI##num##_IO_SIZE; \
190 	x.law = LAW_TRGT_IF_PCI_##num; \
191 	x.pci_num = num; \
192 }
193 
194 #define SET_STD_PCIE_INFO(x, num) \
195 {			\
196 	x.regs = CONFIG_SYS_PCIE##num##_ADDR;	\
197 	x.mem_bus = CONFIG_SYS_PCIE##num##_MEM_BUS; \
198 	x.mem_phys = CONFIG_SYS_PCIE##num##_MEM_PHYS; \
199 	x.mem_size = CONFIG_SYS_PCIE##num##_MEM_SIZE; \
200 	x.io_bus = CONFIG_SYS_PCIE##num##_IO_BUS; \
201 	x.io_phys = CONFIG_SYS_PCIE##num##_IO_PHYS; \
202 	x.io_size = CONFIG_SYS_PCIE##num##_IO_SIZE; \
203 	x.law = LAW_TRGT_IF_PCIE_##num; \
204 	x.pci_num = num; \
205 }
206 
207 #define __FT_FSL_PCI_SETUP(blob, compat, num) \
208 	ft_fsl_pci_setup(blob, compat, CONFIG_SYS_PCI##num##_ADDR)
209 
210 #define __FT_FSL_PCIE_SETUP(blob, compat, num) \
211 	ft_fsl_pci_setup(blob, compat, CONFIG_SYS_PCIE##num##_ADDR)
212 
213 #define FT_FSL_PCI1_SETUP __FT_FSL_PCI_SETUP(blob, FSL_PCI_COMPAT, 1)
214 #define FT_FSL_PCI2_SETUP __FT_FSL_PCI_SETUP(blob, FSL_PCI_COMPAT, 2)
215 
216 #define FT_FSL_PCIE1_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 1)
217 #define FT_FSL_PCIE2_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 2)
218 #define FT_FSL_PCIE3_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 3)
219 #define FT_FSL_PCIE4_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 4)
220 
221 #if defined(CONFIG_FSL_CORENET)
222 #define FSL_PCIE_COMPAT	"fsl,p4080-pcie"
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 #define FSL_PCIE_COMPAT	"fsl,mpc8548-pcie"
232 #define FT_FSL_PCI_SETUP \
233 	FT_FSL_PCI1_SETUP; \
234 	FT_FSL_PCI2_SETUP; \
235 	FT_FSL_PCIE1_SETUP; \
236 	FT_FSL_PCIE2_SETUP; \
237 	FT_FSL_PCIE3_SETUP;
238 #define FT_FSL_PCIE_SETUP \
239 	FT_FSL_PCIE1_SETUP; \
240 	FT_FSL_PCIE2_SETUP; \
241 	FT_FSL_PCIE3_SETUP;
242 #elif defined(CONFIG_MPC86xx)
243 #define FSL_PCI_COMPAT	"fsl,mpc8610-pci"
244 #define FSL_PCIE_COMPAT	"fsl,mpc8641-pcie"
245 #define FT_FSL_PCI_SETUP \
246 	FT_FSL_PCI1_SETUP; \
247 	FT_FSL_PCIE1_SETUP; \
248 	FT_FSL_PCIE2_SETUP;
249 #else
250 #error FT_FSL_PCI_SETUP not defined
251 #endif
252 
253 
254 #endif
255