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1 /*
2  *	Low-Level PCI Support for SH7751 targets
3  *
4  *  Dustin McIntire (dustin@sensoria.com) (c) 2001
5  *  Paul Mundt (lethal@linux-sh.org) (c) 2003
6  *
7  *  May be copied or modified under the terms of the GNU General Public
8  *  License.  See linux/COPYING for more information.
9  *
10  */
11 
12 #ifndef _PCI_SH7751_H_
13 #define _PCI_SH7751_H_
14 
15 /* Platform Specific Values */
16 #define SH7751_VENDOR_ID             0x1054
17 #define SH7751_DEVICE_ID             0x3505
18 #define SH7751R_DEVICE_ID            0x350e
19 
20 /* SH7751 Specific Values */
21 #define SH7751_PCI_CONFIG_BASE	     0xFD000000  /* Config space base addr */
22 #define SH7751_PCI_CONFIG_SIZE       0x1000000   /* Config space size */
23 #define SH7751_PCI_MEMORY_BASE	     0xFD000000  /* Memory space base addr */
24 #define SH7751_PCI_MEM_SIZE          0x01000000  /* Size of Memory window */
25 #define SH7751_PCI_IO_BASE           0xFE240000  /* IO space base address */
26 #define SH7751_PCI_IO_SIZE           0x40000     /* Size of IO window */
27 
28 #define SH7751_PCIREG_BASE           0xFE200000  /* PCI regs base address */
29 #define PCI_REG(n)                  (SH7751_PCIREG_BASE+ n)
30 
31 #define SH7751_PCICONF0            0x0           /* PCI Config Reg 0 */
32   #define SH7751_PCICONF0_DEVID      0xFFFF0000  /* Device ID */
33   #define SH7751_PCICONF0_VNDID      0x0000FFFF  /* Vendor ID */
34 #define SH7751_PCICONF1            0x4           /* PCI Config Reg 1 */
35   #define SH7751_PCICONF1_DPE        0x80000000  /* Data Parity Error */
36   #define SH7751_PCICONF1_SSE        0x40000000  /* System Error Status */
37   #define SH7751_PCICONF1_RMA        0x20000000  /* Master Abort */
38   #define SH7751_PCICONF1_RTA        0x10000000  /* Target Abort Rx Status */
39   #define SH7751_PCICONF1_STA        0x08000000  /* Target Abort Exec Status */
40   #define SH7751_PCICONF1_DEV        0x06000000  /* Timing Status */
41   #define SH7751_PCICONF1_DPD        0x01000000  /* Data Parity Status */
42   #define SH7751_PCICONF1_FBBC       0x00800000  /* Back 2 Back Status */
43   #define SH7751_PCICONF1_UDF        0x00400000  /* User Defined Status */
44   #define SH7751_PCICONF1_66M        0x00200000  /* 66Mhz Operation Status */
45   #define SH7751_PCICONF1_PM         0x00100000  /* Power Management Status */
46   #define SH7751_PCICONF1_PBBE       0x00000200  /* Back 2 Back Control */
47   #define SH7751_PCICONF1_SER        0x00000100  /* SERR Output Control */
48   #define SH7751_PCICONF1_WCC        0x00000080  /* Wait Cycle Control */
49   #define SH7751_PCICONF1_PER        0x00000040  /* Parity Error Response */
50   #define SH7751_PCICONF1_VPS        0x00000020  /* VGA Pallet Snoop */
51   #define SH7751_PCICONF1_MWIE       0x00000010  /* Memory Write+Invalidate */
52   #define SH7751_PCICONF1_SPC        0x00000008  /* Special Cycle Control */
53   #define SH7751_PCICONF1_BUM        0x00000004  /* Bus Master Control */
54   #define SH7751_PCICONF1_MES        0x00000002  /* Memory Space Control */
55   #define SH7751_PCICONF1_IOS        0x00000001  /* I/O Space Control */
56 #define SH7751_PCICONF2            0x8           /* PCI Config Reg 2 */
57   #define SH7751_PCICONF2_BCC        0xFF000000  /* Base Class Code */
58   #define SH7751_PCICONF2_SCC        0x00FF0000  /* Sub-Class Code */
59   #define SH7751_PCICONF2_RLPI       0x0000FF00  /* Programming Interface */
60   #define SH7751_PCICONF2_REV        0x000000FF  /* Revision ID */
61 #define SH7751_PCICONF3            0xC           /* PCI Config Reg 3 */
62   #define SH7751_PCICONF3_BIST7      0x80000000  /* Bist Supported */
63   #define SH7751_PCICONF3_BIST6      0x40000000  /* Bist Executing */
64   #define SH7751_PCICONF3_BIST3_0    0x0F000000  /* Bist Passed */
65   #define SH7751_PCICONF3_HD7        0x00800000  /* Single Funtion device */
66   #define SH7751_PCICONF3_HD6_0      0x007F0000  /* Configuration Layout */
67   #define SH7751_PCICONF3_LAT        0x0000FF00  /* Latency Timer */
68   #define SH7751_PCICONF3_CLS        0x000000FF  /* Cache Line Size */
69 #define SH7751_PCICONF4            0x10          /* PCI Config Reg 4 */
70   #define SH7751_PCICONF4_BASE       0xFFFFFFFC  /* I/O Space Base Addr */
71   #define SH7751_PCICONF4_ASI        0x00000001  /* Address Space Type */
72 #define SH7751_PCICONF5            0x14          /* PCI Config Reg 5 */
73   #define SH7751_PCICONF5_BASE       0xFFFFFFF0  /* Mem Space Base Addr */
74   #define SH7751_PCICONF5_LAP        0x00000008  /* Prefetch Enabled */
75   #define SH7751_PCICONF5_LAT        0x00000006  /* Local Memory type */
76   #define SH7751_PCICONF5_ASI        0x00000001  /* Address Space Type */
77 #define SH7751_PCICONF6            0x18          /* PCI Config Reg 6 */
78   #define SH7751_PCICONF6_BASE       0xFFFFFFF0  /* Mem Space Base Addr */
79   #define SH7751_PCICONF6_LAP        0x00000008  /* Prefetch Enabled */
80   #define SH7751_PCICONF6_LAT        0x00000006  /* Local Memory type */
81   #define SH7751_PCICONF6_ASI        0x00000001  /* Address Space Type */
82 /* PCICONF7 - PCICONF10 are undefined */
83 #define SH7751_PCICONF11           0x2C          /* PCI Config Reg 11 */
84   #define SH7751_PCICONF11_SSID      0xFFFF0000  /* Subsystem ID */
85   #define SH7751_PCICONF11_SVID      0x0000FFFF  /* Subsystem Vendor ID */
86 /* PCICONF12 is undefined */
87 #define SH7751_PCICONF13           0x34          /* PCI Config Reg 13 */
88   #define SH7751_PCICONF13_CPTR      0x000000FF  /* PM function pointer */
89 /* PCICONF14 is undefined */
90 #define SH7751_PCICONF15           0x3C          /* PCI Config Reg 15 */
91   #define SH7751_PCICONF15_IPIN      0x000000FF  /* Interrupt Pin */
92 #define SH7751_PCICONF16           0x40          /* PCI Config Reg 16 */
93   #define SH7751_PCICONF16_PMES      0xF8000000  /* PME Support */
94   #define SH7751_PCICONF16_D2S       0x04000000  /* D2 Support */
95   #define SH7751_PCICONF16_D1S       0x02000000  /* D1 Support */
96   #define SH7751_PCICONF16_DSI       0x00200000  /* Bit Device Init. */
97   #define SH7751_PCICONF16_PMCK      0x00080000  /* Clock for PME req. */
98   #define SH7751_PCICONF16_VER       0x00070000  /* PM Version */
99   #define SH7751_PCICONF16_NIP       0x0000FF00  /* Next Item Pointer */
100   #define SH7751_PCICONF16_CID       0x000000FF  /* Capability Identifier */
101 #define SH7751_PCICONF17           0x44          /* PCI Config Reg 17 */
102   #define SH7751_PCICONF17_DATA      0xFF000000  /* Data field for PM */
103   #define SH7751_PCICONF17_PMES      0x00800000  /* PME Status */
104   #define SH7751_PCICONF17_DSCL      0x00600000  /* Data Scaling Value */
105   #define SH7751_PCICONF17_DSEL      0x001E0000  /* Data Select */
106   #define SH7751_PCICONF17_PMEN      0x00010000  /* PME Enable */
107   #define SH7751_PCICONF17_PWST      0x00000003  /* Power State */
108 /* SH7715 Internal PCI Registers */
109 
110 /* Memory Control Registers */
111 #define SH7751_BCR1                0xFF800000    /* Memory BCR1 Register */
112 #define SH7751_BCR2                0xFF800004    /* Memory BCR2 Register */
113 #define SH7751_BCR3                0xFF800050    /* Memory BCR3 Register */
114 #define SH7751_BCR4                0xFE0A00F0    /* Memory BCR4 Register */
115 #define SH7751_WCR1                0xFF800008    /* Wait Control 1 Register */
116 #define SH7751_WCR2                0xFF80000C    /* Wait Control 2 Register */
117 #define SH7751_WCR3                0xFF800010    /* Wait Control 3 Register */
118 #define SH7751_MCR                 0xFF800014    /* Memory Control Register */
119 
120 /* General Memory Config Addresses */
121 #define SH7751_CS0_BASE_ADDR       0x0
122 #define SH7751_MEM_REGION_SIZE     0x04000000
123 #define SH7751_CS1_BASE_ADDR       (SH7751_CS0_BASE_ADDR + SH7751_MEM_REGION_SIZE)
124 #define SH7751_CS2_BASE_ADDR       (SH7751_CS1_BASE_ADDR + SH7751_MEM_REGION_SIZE)
125 #define SH7751_CS3_BASE_ADDR       (SH7751_CS2_BASE_ADDR + SH7751_MEM_REGION_SIZE)
126 #define SH7751_CS4_BASE_ADDR       (SH7751_CS3_BASE_ADDR + SH7751_MEM_REGION_SIZE)
127 #define SH7751_CS5_BASE_ADDR       (SH7751_CS4_BASE_ADDR + SH7751_MEM_REGION_SIZE)
128 #define SH7751_CS6_BASE_ADDR       (SH7751_CS5_BASE_ADDR + SH7751_MEM_REGION_SIZE)
129 
130 struct sh4_pci_address_map;
131 
132 /* arch/sh/drivers/pci/pci-sh7751.c */
133 int sh7751_pcic_init(struct sh4_pci_address_map *map);
134 
135 #endif /* _PCI_SH7751_H_ */
136