summaryrefslogtreecommitdiffstats
path: root/arch/sh/drivers/pci/pci-sh4.h
blob: 0288efc17ff3787c53bbfdf41e7f0f8492a4bd16 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
#ifndef __PCI_SH4_H
#define __PCI_SH4_H

#if defined(CONFIG_CPU_SUBTYPE_SH7780) || \
    defined(CONFIG_CPU_SUBTYPE_SH7785) || \
    defined(CONFIG_CPU_SUBTYPE_SH7763)
#include "pci-sh7780.h"
#else
#include "pci-sh7751.h"
#endif

#include <asm/io.h>

#define SH4_PCICR		0x100		/* PCI Control Register */
  #define SH4_PCICR_PREFIX	  0xA5000000	/* CR prefix for write */
  #define SH4_PCICR_FTO		  0x00000400	/* TRDY/IRDY Enable */
  #define SH4_PCICR_TRSB	  0x00000200	/* Target Read Single */
  #define SH4_PCICR_BSWP	  0x00000100	/* Target Byte Swap */
  #define SH4_PCICR_PLUP	  0x00000080	/* Enable PCI Pullup */
  #define SH4_PCICR_ARBM	  0x00000040	/* PCI Arbitration Mode */
  #define SH4_PCICR_MD		  0x00000030	/* MD9 and MD10 status */
  #define SH4_PCICR_SERR	  0x00000008	/* SERR output assert */
  #define SH4_PCICR_INTA	  0x00000004	/* INTA output assert */
  #define SH4_PCICR_PRST	  0x00000002	/* PCI Reset Assert */
  #define SH4_PCICR_CFIN	  0x00000001	/* Central Fun. Init Done */
#define SH4_PCILSR0		0x104		/* PCI Local Space Register0 */
#define SH4_PCILSR1		0x108		/* PCI Local Space Register1 */
#define SH4_PCILAR0		0x10C		/* PCI Local Addr Register1 */
#define SH4_PCILAR1		0x110		/* PCI Local Addr Register1 */
#define SH4_PCIINT		0x114		/* PCI Interrupt Register */
  #define SH4_PCIINT_MLCK	  0x00008000	/* Master Lock Error */
  #define SH4_PCIINT_TABT	  0x00004000	/* Target Abort Error */
  #define SH4_PCIINT_TRET	  0x00000200	/* Target Retry Error */
  #define SH4_PCIINT_MFDE	  0x00000100	/* Master Func. Disable Error */
  #define SH4_PCIINT_PRTY	  0x00000080	/* Address Parity Error */
  #define SH4_PCIINT_SERR	  0x00000040	/* SERR Detection Error */
  #define SH4_PCIINT_TWDP	  0x00000020	/* Tgt. Write Parity Error */
  #define SH4_PCIINT_TRDP	  0x00000010	/* Tgt. Read Parity Err Det. */
  #define SH4_PCIINT_MTABT	  0x00000008	/* Master-Tgt. Abort Error */
  #define SH4_PCIINT_MMABT	  0x00000004	/* Master-Master Abort Error */
  #define SH4_PCIINT_MWPD	  0x00000002	/* Master Write PERR Detect */
  #define SH4_PCIINT_MRPD	  0x00000001	/* Master Read PERR Detect */
#define SH4_PCIINTM		0x118		/* PCI Interrupt Mask */
  #define SH4_PCIINTM_TTADIM	  BIT(14)	/* Target-target abort interrupt */
  #define SH4_PCIINTM_TMTOIM	  BIT(9)	/* Target retry timeout */
  #define SH4_PCIINTM_MDEIM	  BIT(8)	/* Master function disable error */
  #define SH4_PCIINTM_APEDIM	  BIT(7)	/* Address parity error detection */
  #define SH4_PCIINTM_SDIM	  BIT(6)	/* SERR detection */
  #define SH4_PCIINTM_DPEITWM	  BIT(5)	/* Data parity error for target write */
  #define SH4_PCIINTM_PEDITRM	  BIT(4)	/* PERR detection for target read */
  #define SH4_PCIINTM_TADIMM	  BIT(3)	/* Target abort for master */
  #define SH4_PCIINTM_MADIMM	  BIT(2)	/* Master abort for master */
  #define SH4_PCIINTM_MWPDIM	  BIT(1)	/* Master write data parity error */
  #define SH4_PCIINTM_MRDPEIM	  BIT(0)	/* Master read data parity error */
#define SH4_PCIALR		0x11C		/* Error Address Register */
#define SH4_PCICLR		0x120		/* Error Command/Data */
  #define SH4_PCICLR_MPIO	  0x80000000
  #define SH4_PCICLR_MDMA0	  0x40000000	/* DMA0 Transfer Error */
  #define SH4_PCICLR_MDMA1	  0x20000000	/* DMA1 Transfer Error */
  #define SH4_PCICLR_MDMA2	  0x10000000	/* DMA2 Transfer Error */
  #define SH4_PCICLR_MDMA3	  0x08000000	/* DMA3 Transfer Error */
  #define SH4_PCICLR_TGT	  0x04000000	/* Target Transfer Error */
  #define SH4_PCICLR_CMDL	  0x0000000F	/* PCI Command at Error */
#define SH4_PCIAINT		0x130		/* Arbiter Interrupt Register */
  #define SH4_PCIAINT_MBKN	  0x00002000	/* Master Broken Interrupt */
  #define SH4_PCIAINT_TBTO	  0x00001000	/* Target Bus Time Out */
  #define SH4_PCIAINT_MBTO	  0x00000800	/* Master Bus Time Out */
  #define SH4_PCIAINT_TABT	  0x00000008	/* Target Abort */
  #define SH4_PCIAINT_MABT	  0x00000004	/* Master Abort */
  #define SH4_PCIAINT_RDPE	  0x00000002	/* Read Data Parity Error */
  #define SH4_PCIAINT_WDPE	  0x00000001	/* Write Data Parity Error */
#define SH4_PCIAINTM            0x134		/* Arbiter Int. Mask Register */
#define SH4_PCIBMLR		0x138		/* Error Bus Master Register */
  #define SH4_PCIBMLR_REQ4	  0x00000010	/* REQ4 bus master at error */
  #define SH4_PCIBMLR_REQ3	  0x00000008	/* REQ3 bus master at error */
  #define SH4_PCIBMLR_REQ2	  0x00000004	/* REQ2 bus master at error */
  #define SH4_PCIBMLR_REQ1	  0x00000002	/* REQ1 bus master at error */
  #define SH4_PCIBMLR_REQ0	  0x00000001	/* REQ0 bus master at error */
#define SH4_PCIDMABT		0x140		/* DMA Transfer Arb. Register */
  #define SH4_PCIDMABT_RRBN	  0x00000001	/* DMA Arbitor Round-Robin */
#define SH4_PCIDPA0		0x180		/* DMA0 Transfer Addr. */
#define SH4_PCIDLA0		0x184		/* DMA0 Local Addr. */
#define SH4_PCIDTC0		0x188		/* DMA0 Transfer Cnt. */
#define SH4_PCIDCR0		0x18C		/* DMA0 Control Register */
  #define SH4_PCIDCR_ALGN	  0x00000600	/* DMA Alignment Mode */
  #define SH4_PCIDCR_MAST	  0x00000100	/* DMA Termination Type */
  #define SH4_PCIDCR_INTM	  0x00000080	/* DMA Interrupt Done Mask*/
  #define SH4_PCIDCR_INTS	  0x00000040	/* DMA Interrupt Done Status */
  #define SH4_PCIDCR_LHLD	  0x00000020	/* Local Address Control */
  #define SH4_PCIDCR_PHLD	  0x00000010	/* PCI Address Control*/
  #define SH4_PCIDCR_IOSEL	  0x00000008	/* PCI Address Space Type */
  #define SH4_PCIDCR_DIR	  0x00000004	/* DMA Transfer Direction */
  #define SH4_PCIDCR_STOP	  0x00000002	/* Force DMA Stop */
  #define SH4_PCIDCR_STRT	  0x00000001	/* DMA Start */
#define SH4_PCIDPA1		0x190		/* DMA1 Transfer Addr. */
#define SH4_PCIDLA1		0x194		/* DMA1 Local Addr. */
#define SH4_PCIDTC1		0x198		/* DMA1 Transfer Cnt. */
#define SH4_PCIDCR1		0x19C		/* DMA1 Control Register */
#define SH4_PCIDPA2		0x1A0		/* DMA2 Transfer Addr. */
#define SH4_PCIDLA2		0x1A4		/* DMA2 Local Addr. */
#define SH4_PCIDTC2		0x1A8		/* DMA2 Transfer Cnt. */
#define SH4_PCIDCR2		0x1AC		/* DMA2 Control Register */
#define SH4_PCIDPA3		0x1B0		/* DMA3 Transfer Addr. */
#define SH4_PCIDLA3		0x1B4		/* DMA3 Local Addr. */
#define SH4_PCIDTC3		0x1B8		/* DMA3 Transfer Cnt. */
#define SH4_PCIDCR3		0x1BC		/* DMA3 Control Register */
#define SH4_PCIPAR		0x1C0		/* PIO Address Register */
  #define SH4_PCIPAR_CFGEN	  0x80000000	/* Configuration Enable */
  #define SH4_PCIPAR_BUSNO	  0x00FF0000	/* Config. Bus Number */
  #define SH4_PCIPAR_DEVNO	  0x0000FF00	/* Config. Device Number */
  #define SH4_PCIPAR_REGAD	  0x000000FC	/* Register Address Number */
#define SH4_PCIMBR		0x1C4		/* Memory Base Address */
  #define SH4_PCIMBR_MASK	  0xFF000000	/* Memory Space Mask */
  #define SH4_PCIMBR_LOCK	  0x00000001	/* Lock Memory Space */
#define SH4_PCIIOBR		0x1C8		/* I/O Base Address Register */
  #define SH4_PCIIOBR_MASK	  0xFFFC0000	/* IO Space Mask */
  #define SH4_PCIIOBR_LOCK	  0x00000001	/* Lock IO Space */
#define SH4_PCIPINT		0x1CC		/* Power Mgmnt Int. Register */
  #define SH4_PCIPINT_D3	  0x00000002	/* D3 Pwr Mgmt. Interrupt */
  #define SH4_PCIPINT_D0	  0x00000001	/* D0 Pwr Mgmt. Interrupt */
#define SH4_PCIPINTM		0x1D0		/* Power Mgmnt Mask Register */
#define SH4_PCICLKR		0x1D4		/* Clock Ctrl. Register */
  #define SH4_PCICLKR_PCSTP	  0x00000002	/* PCI Clock Stop */
  #define SH4_PCICLKR_BCSTP	  0x00000001	/* BCLK Clock Stop */
/* For definitions of BCR, MCR see ... */
#define SH4_PCIBCR1		0x1E0		/* Memory BCR1 Register */
  #define SH4_PCIMBR0		SH4_PCIBCR1
#define SH4_PCIBCR2		0x1E4		/* Memory BCR2 Register */
  #define SH4_PCIMBMR0		SH4_PCIBCR2
#define SH4_PCIWCR1		0x1E8		/* Wait Control 1 Register */
#define SH4_PCIWCR2		0x1EC		/* Wait Control 2 Register */
#define SH4_PCIWCR3		0x1F0		/* Wait Control 3 Register */
  #define SH4_PCIMBR2		SH4_PCIWCR3
#define SH4_PCIMCR		0x1F4		/* Memory Control Register */
#define SH4_PCIBCR3		0x1f8		/* Memory BCR3 Register */
#define SH4_PCIPCTR             0x200		/* Port Control Register */
  #define SH4_PCIPCTR_P2EN	  0x000400000	/* Port 2 Enable */
  #define SH4_PCIPCTR_P1EN	  0x000200000	/* Port 1 Enable */
  #define SH4_PCIPCTR_P0EN	  0x000100000	/* Port 0 Enable */
  #define SH4_PCIPCTR_P2UP	  0x000000020	/* Port2 Pull Up Enable */
  #define SH4_PCIPCTR_P2IO	  0x000000010	/* Port2 Output Enable */
  #define SH4_PCIPCTR_P1UP	  0x000000008	/* Port1 Pull Up Enable */
  #define SH4_PCIPCTR_P1IO	  0x000000004	/* Port1 Output Enable */
  #define SH4_PCIPCTR_P0UP	  0x000000002	/* Port0 Pull Up Enable */
  #define SH4_PCIPCTR_P0IO	  0x000000001	/* Port0 Output Enable */
#define SH4_PCIPDTR		0x204		/* Port Data Register */
  #define SH4_PCIPDTR_PB5	  0x000000020	/* Port 5 Enable */
  #define SH4_PCIPDTR_PB4	  0x000000010	/* Port 4 Enable */
  #define SH4_PCIPDTR_PB3	  0x000000008	/* Port 3 Enable */
  #define SH4_PCIPDTR_PB2	  0x000000004	/* Port 2 Enable */
  #define SH4_PCIPDTR_PB1	  0x000000002	/* Port 1 Enable */
  #define SH4_PCIPDTR_PB0	  0x000000001	/* Port 0 Enable */
#define SH4_PCIPDR		0x220		/* Port IO Data Register */

/* arch/sh/kernel/drivers/pci/ops-sh4.c */
extern struct pci_ops sh4_pci_ops;
int pci_fixup_pcic(struct pci_channel *chan);

struct sh4_pci_address_space {
	unsigned long base;
	unsigned long size;
};

struct sh4_pci_address_map {
	struct sh4_pci_address_space window0;
	struct sh4_pci_address_space window1;
};

static inline void pci_write_reg(struct pci_channel *chan,
				 unsigned long val, unsigned long reg)
{
	__raw_writel(val, chan->reg_base + reg);
}

static inline unsigned long pci_read_reg(struct pci_channel *chan,
					 unsigned long reg)
{
	return __raw_readl(chan->reg_base + reg);
}

#endif /* __PCI_SH4_H */
OpenPOWER on IntegriCloud