| /* Core.h - Basic core logic functions and definitions */ |
| |
| /* Copyright Galileo Technology. */ |
| |
| /* |
| DESCRIPTION |
| This header file contains simple read/write macros for addressing |
| the SDRAM, devices, GT`s internal registers and PCI (using the PCI`s address |
| space). The macros take care of Big/Little endian conversions. |
| */ |
| |
| #ifndef __INCcoreh |
| #define __INCcoreh |
| |
| /* includes */ |
| #include "gt64260R.h" |
| |
| extern unsigned int INTERNAL_REG_BASE_ADDR; |
| |
| /* |
| * GT-6426x variants |
| */ |
| #define GT_64260 0 /* includes both 64260A and 64260B */ |
| #define GT_64261 1 |
| |
| #if (CONFIG_SYS_GT_6426x == GT_64260) |
| #ifdef CONFIG_ETHER_PORT_MII |
| #define GAL_ETH_DEVS 2 |
| #else |
| #define GAL_ETH_DEVS 3 |
| #endif |
| #elif (CONFIG_SYS_GT_6426x == GT_64261) |
| #define GAL_ETH_DEVS 2 |
| #else |
| #define GAL_ETH_DEVS 3 /* default to a 64260 */ |
| #endif |
| |
| /****************************************/ |
| /* GENERAL Definitions */ |
| /****************************************/ |
| |
| #define NO_BIT 0x00000000 |
| #define BIT0 0x00000001 |
| #define BIT1 0x00000002 |
| #define BIT2 0x00000004 |
| #define BIT3 0x00000008 |
| #define BIT4 0x00000010 |
| #define BIT5 0x00000020 |
| #define BIT6 0x00000040 |
| #define BIT7 0x00000080 |
| #define BIT8 0x00000100 |
| #define BIT9 0x00000200 |
| #define BIT10 0x00000400 |
| #define BIT11 0x00000800 |
| #define BIT12 0x00001000 |
| #define BIT13 0x00002000 |
| #define BIT14 0x00004000 |
| #define BIT15 0x00008000 |
| #define BIT16 0x00010000 |
| #define BIT17 0x00020000 |
| #define BIT18 0x00040000 |
| #define BIT19 0x00080000 |
| #define BIT20 0x00100000 |
| #define BIT21 0x00200000 |
| #define BIT22 0x00400000 |
| #define BIT23 0x00800000 |
| #define BIT24 0x01000000 |
| #define BIT25 0x02000000 |
| #define BIT26 0x04000000 |
| #define BIT27 0x08000000 |
| #define BIT28 0x10000000 |
| #define BIT29 0x20000000 |
| #define BIT30 0x40000000 |
| #define BIT31 0x80000000 |
| |
| #define _1K 0x00000400 |
| #define _2K 0x00000800 |
| #define _4K 0x00001000 |
| #define _8K 0x00002000 |
| #define _16K 0x00004000 |
| #define _32K 0x00008000 |
| #define _64K 0x00010000 |
| #define _128K 0x00020000 |
| #define _256K 0x00040000 |
| #define _512K 0x00080000 |
| |
| #define _1M 0x00100000 |
| #define _2M 0x00200000 |
| #define _3M 0x00300000 |
| #define _4M 0x00400000 |
| #define _5M 0x00500000 |
| #define _6M 0x00600000 |
| #define _7M 0x00700000 |
| #define _8M 0x00800000 |
| #define _9M 0x00900000 |
| #define _10M 0x00a00000 |
| #define _11M 0x00b00000 |
| #define _12M 0x00c00000 |
| #define _13M 0x00d00000 |
| #define _14M 0x00e00000 |
| #define _15M 0x00f00000 |
| #define _16M 0x01000000 |
| |
| #define _32M 0x02000000 |
| #define _64M 0x04000000 |
| #define _128M 0x08000000 |
| #define _256M 0x10000000 |
| #define _512M 0x20000000 |
| |
| #define _1G 0x40000000 |
| #define _2G 0x80000000 |
| |
| #ifndef BOOL_WAS_DEFINED |
| #define BOOL_WAS_DEFINED |
| typedef enum _bool{false,true} bool; |
| #endif |
| |
| /* Little to Big endian conversion macros */ |
| |
| #ifdef LE /* Little Endian */ |
| #define SHORT_SWAP(X) (X) |
| #define WORD_SWAP(X) (X) |
| #define LONG_SWAP(X) ((l64)(X)) |
| |
| #else /* Big Endian */ |
| #define SHORT_SWAP(X) ((X <<8 ) | (X >> 8)) |
| |
| #define WORD_SWAP(X) (((X)&0xff)<<24)+ \ |
| (((X)&0xff00)<<8)+ \ |
| (((X)&0xff0000)>>8)+ \ |
| (((X)&0xff000000)>>24) |
| |
| #define LONG_SWAP(X) ( (l64) (((X)&0xffULL)<<56)+ \ |
| (((X)&0xff00ULL)<<40)+ \ |
| (((X)&0xff0000ULL)<<24)+ \ |
| (((X)&0xff000000ULL)<<8)+ \ |
| (((X)&0xff00000000ULL)>>8)+ \ |
| (((X)&0xff0000000000ULL)>>24)+ \ |
| (((X)&0xff000000000000ULL)>>40)+ \ |
| (((X)&0xff00000000000000ULL)>>56)) |
| |
| #endif |
| |
| #ifndef NULL |
| #define NULL 0 |
| #endif |
| |
| /* Those two definitions were defined to be compatible with MIPS */ |
| #define NONE_CACHEABLE 0x00000000 |
| #define CACHEABLE 0x00000000 |
| |
| /* 750 cache line */ |
| #define CACHE_LINE_SIZE 32 |
| #define CACHELINE_MASK_BITS (CACHE_LINE_SIZE - 1) |
| #define CACHELINE_ROUNDUP(A) (((A)+CACHELINE_MASK_BITS) & ~CACHELINE_MASK_BITS) |
| |
| /* Read/Write to/from GT`s internal registers */ |
| #define GT_REG_READ(offset, pData) \ |
| *pData = ( *((volatile unsigned int *)(NONE_CACHEABLE | \ |
| INTERNAL_REG_BASE_ADDR | (offset))) ) ; \ |
| *pData = WORD_SWAP(*pData) |
| |
| #define GTREGREAD(offset) \ |
| (WORD_SWAP( *((volatile unsigned int *)(NONE_CACHEABLE | \ |
| INTERNAL_REG_BASE_ADDR | (offset))) )) |
| |
| #define GT_REG_WRITE(offset, data) \ |
| *((unsigned int *)( INTERNAL_REG_BASE_ADDR | (offset))) = \ |
| WORD_SWAP(data) |
| |
| /* Write 32/16/8 bit */ |
| #define WRITE_CHAR(address, data) \ |
| *((unsigned char *)(address)) = data |
| #define WRITE_SHORT(address, data) \ |
| *((unsigned short *)(address)) = data |
| #define WRITE_WORD(address, data) \ |
| *((unsigned int *)(address)) = data |
| |
| /* Read 32/16/8 bits - returns data in variable. */ |
| #define READ_CHAR(address, pData) \ |
| *pData = *((volatile unsigned char *)(address)) |
| |
| #define READ_SHORT(address, pData) \ |
| *pData = *((volatile unsigned short *)(address)) |
| |
| #define READ_WORD(address, pData) \ |
| *pData = *((volatile unsigned int *)(address)) |
| |
| /* Read 32/16/8 bit - returns data direct. */ |
| #define READCHAR(address) \ |
| *((volatile unsigned char *)((address) | NONE_CACHEABLE)) |
| |
| #define READSHORT(address) \ |
| *((volatile unsigned short *)((address) | NONE_CACHEABLE)) |
| |
| #define READWORD(address) \ |
| *((volatile unsigned int *)((address) | NONE_CACHEABLE)) |
| |
| /* Those two Macros were defined to be compatible with MIPS */ |
| #define VIRTUAL_TO_PHY(x) (((unsigned int)x) & 0xffffffff) |
| #define PHY_TO_VIRTUAL(x) (((unsigned int)x) | NONE_CACHEABLE) |
| |
| /* SET_REG_BITS(regOffset,bits) - |
| gets register offset and bits: a 32bit value. It set to logic '1' in the |
| internal register the bits which given as an input example: |
| SET_REG_BITS(0x840,BIT3 | BIT24 | BIT30) - set bits: 3,24 and 30 to logic |
| '1' in register 0x840 while the other bits stays as is. */ |
| #define SET_REG_BITS(regOffset,bits) \ |
| *(unsigned int*)(NONE_CACHEABLE | INTERNAL_REG_BASE_ADDR | \ |
| regOffset) |= (unsigned int)WORD_SWAP(bits) |
| |
| /* RESET_REG_BITS(regOffset,bits) - |
| gets register offset and bits: a 32bit value. It set to logic '0' in the |
| internal register the bits which given as an input example: |
| RESET_REG_BITS(0x840,BIT3 | BIT24 | BIT30) - set bits: 3,24 and 30 to logic |
| '0' in register 0x840 while the other bits stays as is. */ |
| #define RESET_REG_BITS(regOffset,bits) \ |
| *(unsigned int*)(NONE_CACHEABLE | INTERNAL_REG_BASE_ADDR \ |
| | regOffset) &= ~( (unsigned int)WORD_SWAP(bits) ) |
| |
| #endif /* __INCcoreh */ |