1 /* Core.h - Basic core logic functions and definitions */
3 /* Copyright Galileo Technology. */
7 This header file contains simple read/write macros for addressing
8 the SDRAM, devices, GT`s internal registers and PCI (using the PCI`s address
9 space). The macros take care of Big/Little endian conversions.
18 extern unsigned int INTERNAL_REG_BASE_ADDR;
23 #define GT_64260 0 /* includes both 64260A and 64260B */
26 #if (CFG_GT_6426x == GT_64260)
27 #ifdef CONFIG_ETHER_PORT_MII
28 #define GAL_ETH_DEVS 2
30 #define GAL_ETH_DEVS 3
32 #elif (CFG_GT_6426x == GT_64261)
33 #define GAL_ETH_DEVS 2
35 #define GAL_ETH_DEVS 3 /* default to a 64260 */
38 /****************************************/
39 /* GENERAL Definitions */
40 /****************************************/
42 #define NO_BIT 0x00000000
43 #define BIT0 0x00000001
44 #define BIT1 0x00000002
45 #define BIT2 0x00000004
46 #define BIT3 0x00000008
47 #define BIT4 0x00000010
48 #define BIT5 0x00000020
49 #define BIT6 0x00000040
50 #define BIT7 0x00000080
51 #define BIT8 0x00000100
52 #define BIT9 0x00000200
53 #define BIT10 0x00000400
54 #define BIT11 0x00000800
55 #define BIT12 0x00001000
56 #define BIT13 0x00002000
57 #define BIT14 0x00004000
58 #define BIT15 0x00008000
59 #define BIT16 0x00010000
60 #define BIT17 0x00020000
61 #define BIT18 0x00040000
62 #define BIT19 0x00080000
63 #define BIT20 0x00100000
64 #define BIT21 0x00200000
65 #define BIT22 0x00400000
66 #define BIT23 0x00800000
67 #define BIT24 0x01000000
68 #define BIT25 0x02000000
69 #define BIT26 0x04000000
70 #define BIT27 0x08000000
71 #define BIT28 0x10000000
72 #define BIT29 0x20000000
73 #define BIT30 0x40000000
74 #define BIT31 0x80000000
76 #define _1K 0x00000400
77 #define _2K 0x00000800
78 #define _4K 0x00001000
79 #define _8K 0x00002000
80 #define _16K 0x00004000
81 #define _32K 0x00008000
82 #define _64K 0x00010000
83 #define _128K 0x00020000
84 #define _256K 0x00040000
85 #define _512K 0x00080000
87 #define _1M 0x00100000
88 #define _2M 0x00200000
89 #define _3M 0x00300000
90 #define _4M 0x00400000
91 #define _5M 0x00500000
92 #define _6M 0x00600000
93 #define _7M 0x00700000
94 #define _8M 0x00800000
95 #define _9M 0x00900000
96 #define _10M 0x00a00000
97 #define _11M 0x00b00000
98 #define _12M 0x00c00000
99 #define _13M 0x00d00000
100 #define _14M 0x00e00000
101 #define _15M 0x00f00000
102 #define _16M 0x01000000
104 #define _32M 0x02000000
105 #define _64M 0x04000000
106 #define _128M 0x08000000
107 #define _256M 0x10000000
108 #define _512M 0x20000000
110 #define _1G 0x40000000
111 #define _2G 0x80000000
113 typedef enum _bool{false,true} bool;
115 /* Little to Big endian conversion macros */
117 #ifdef LE /* Little Endian */
118 #define SHORT_SWAP(X) (X)
119 #define WORD_SWAP(X) (X)
120 #define LONG_SWAP(X) ((l64)(X))
122 #else /* Big Endian */
123 #define SHORT_SWAP(X) ((X <<8 ) | (X >> 8))
125 #define WORD_SWAP(X) (((X)&0xff)<<24)+ \
127 (((X)&0xff0000)>>8)+ \
128 (((X)&0xff000000)>>24)
130 #define LONG_SWAP(X) ( (l64) (((X)&0xffULL)<<56)+ \
131 (((X)&0xff00ULL)<<40)+ \
132 (((X)&0xff0000ULL)<<24)+ \
133 (((X)&0xff000000ULL)<<8)+ \
134 (((X)&0xff00000000ULL)>>8)+ \
135 (((X)&0xff0000000000ULL)>>24)+ \
136 (((X)&0xff000000000000ULL)>>40)+ \
137 (((X)&0xff00000000000000ULL)>>56))
145 /* Those two definitions were defined to be compatible with MIPS */
146 #define NONE_CACHEABLE 0x00000000
147 #define CACHEABLE 0x00000000
150 #define CACHE_LINE_SIZE 32
151 #define CACHELINE_MASK_BITS (CACHE_LINE_SIZE - 1)
152 #define CACHELINE_ROUNDUP(A) (((A)+CACHELINE_MASK_BITS) & ~CACHELINE_MASK_BITS)
154 /* Read/Write to/from GT`s internal registers */
155 #define GT_REG_READ(offset, pData) \
156 *pData = ( *((volatile unsigned int *)(NONE_CACHEABLE | \
157 INTERNAL_REG_BASE_ADDR | (offset))) ) ; \
158 *pData = WORD_SWAP(*pData)
160 #define GTREGREAD(offset) \
161 (WORD_SWAP( *((volatile unsigned int *)(NONE_CACHEABLE | \
162 INTERNAL_REG_BASE_ADDR | (offset))) ))
164 #define GT_REG_WRITE(offset, data) \
165 *((unsigned int *)( INTERNAL_REG_BASE_ADDR | (offset))) = \
168 /* Write 32/16/8 bit */
169 #define WRITE_CHAR(address, data) \
170 *((unsigned char *)(address)) = data
171 #define WRITE_SHORT(address, data) \
172 *((unsigned short *)(address)) = data
173 #define WRITE_WORD(address, data) \
174 *((unsigned int *)(address)) = data
176 /* Read 32/16/8 bits - returns data in variable. */
177 #define READ_CHAR(address, pData) \
178 *pData = *((volatile unsigned char *)(address))
180 #define READ_SHORT(address, pData) \
181 *pData = *((volatile unsigned short *)(address))
183 #define READ_WORD(address, pData) \
184 *pData = *((volatile unsigned int *)(address))
186 /* Read 32/16/8 bit - returns data direct. */
187 #define READCHAR(address) \
188 *((volatile unsigned char *)((address) | NONE_CACHEABLE))
190 #define READSHORT(address) \
191 *((volatile unsigned short *)((address) | NONE_CACHEABLE))
193 #define READWORD(address) \
194 *((volatile unsigned int *)((address) | NONE_CACHEABLE))
196 /* Those two Macros were defined to be compatible with MIPS */
197 #define VIRTUAL_TO_PHY(x) (((unsigned int)x) & 0xffffffff)
198 #define PHY_TO_VIRTUAL(x) (((unsigned int)x) | NONE_CACHEABLE)
200 /* SET_REG_BITS(regOffset,bits) -
201 gets register offset and bits: a 32bit value. It set to logic '1' in the
202 internal register the bits which given as an input example:
203 SET_REG_BITS(0x840,BIT3 | BIT24 | BIT30) - set bits: 3,24 and 30 to logic
204 '1' in register 0x840 while the other bits stays as is. */
205 #define SET_REG_BITS(regOffset,bits) \
206 *(unsigned int*)(NONE_CACHEABLE | INTERNAL_REG_BASE_ADDR | \
207 regOffset) |= (unsigned int)WORD_SWAP(bits)
209 /* RESET_REG_BITS(regOffset,bits) -
210 gets register offset and bits: a 32bit value. It set to logic '0' in the
211 internal register the bits which given as an input example:
212 RESET_REG_BITS(0x840,BIT3 | BIT24 | BIT30) - set bits: 3,24 and 30 to logic
213 '0' in register 0x840 while the other bits stays as is. */
214 #define RESET_REG_BITS(regOffset,bits) \
215 *(unsigned int*)(NONE_CACHEABLE | INTERNAL_REG_BASE_ADDR \
216 | regOffset) &= ~( (unsigned int)WORD_SWAP(bits) )
218 #endif /* __INCcoreh */