diff options
Diffstat (limited to 'include/configs/MPC8641HPCN.h')
| -rw-r--r-- | include/configs/MPC8641HPCN.h | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h index d4a28ed..aaf99c1 100644 --- a/include/configs/MPC8641HPCN.h +++ b/include/configs/MPC8641HPCN.h @@ -136,15 +136,16 @@ /* - * In MPC8641HPCN, we allocate 16MB flash spaces at fe000000 and ff000000 - * We only have an 8MB flash. In effect, the addresses from fe000000 to fe7fffff + * In MPC8641HPCN, allocate 16MB flash spaces at fe000000 and ff000000. + * There is an 8MB flash. In effect, the addresses from fe000000 to fe7fffff * map to fe800000 to ffffffff, and ff000000 to ff7fffff map to ffffffff. * However, when u-boot comes up, the flash_init needs hard start addresses - * to build its info table. For user convenience, we have the flash addresses - * as fe800000 and ff800000. That way, when we do flash operations, u-boot - * knows where the flash is and the user can download u-boot code from promjet to - * fef00000 <- more intuitive than fe700000. Note that, on switching the boot - * location, fef00000 becomes fff00000. + * to build its info table. For user convenience, the flash addresses is + * fe800000 and ff800000. That way, u-boot knows where the flash is + * and the user can download u-boot code from promjet to fef00000, a + * more intuitive location than fe700000. + * + * Note that, on switching the boot location, fef00000 becomes fff00000. */ #define CFG_FLASH_BASE 0xfe800000 /* start of FLASH 32M */ #define CFG_FLASH_BASE2 0xff800000 @@ -257,14 +258,18 @@ #define CFG_64BIT_VSPRINTF 1 #define CFG_64BIT_STRTOUL 1 -/* I2C */ +/* + * I2C + */ #define CONFIG_HARD_I2C /* I2C with hardware support*/ #undef CONFIG_SOFT_I2C /* I2C bit-banged */ #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ #define CFG_I2C_SLAVE 0x7F #define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */ -/* RapidIO MMU */ +/* + * RapidIO MMU + */ #define CFG_RIO_MEM_BASE 0xc0000000 /* base address */ #define CFG_RIO_MEM_PHYS CFG_RIO_MEM_BASE #define CFG_RIO_MEM_SIZE 0x20000000 /* 128M */ @@ -347,19 +352,21 @@ #endif /* CONFIG_TSEC_ENET */ -/* BAT0 2G Cacheable, non-guarded +/* + * BAT0 2G Cacheable, non-guarded * 0x0000_0000 2G DDR */ #define CFG_DBAT0L ( BATL_PP_RW | BATL_CACHEINHIBIT \ | BATL_GUARDEDSTORAGE | BATL_MEMCOHERENCE ) -#define CFG_DBAT0U ( BATU_BL_512M | BATU_VS | BATU_VP ) +#define CFG_DBAT0U ( BATU_BL_2G | BATU_VS | BATU_VP ) #define CFG_IBAT0L ( BATL_PP_RW | BATL_CACHEINHIBIT | BATL_MEMCOHERENCE) #define CFG_IBAT0U CFG_DBAT0U -/* BAT1 1G Cache-inhibited, guarded +/* + * BAT1 1G Cache-inhibited, guarded * 0x8000_0000 512M PCI-Express 1 Memory * 0xa000_0000 512M PCI-Express 2 Memory - ** SS - Changed it for operating from 0xd0000000 + * Changed it for operating from 0xd0000000 */ #define CFG_DBAT1L ( CFG_PCI1_MEM_BASE | BATL_PP_RW \ | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE) @@ -367,7 +374,8 @@ #define CFG_IBAT1L (CFG_PCI1_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT) #define CFG_IBAT1U CFG_DBAT1U -/* BAT2 512M Cache-inhibited, guarded +/* + * BAT2 512M Cache-inhibited, guarded * 0xc000_0000 512M RapidIO Memory */ #define CFG_DBAT2L (CFG_RIO_MEM_BASE | BATL_PP_RW \ @@ -376,7 +384,8 @@ #define CFG_IBAT2L (CFG_RIO_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT) #define CFG_IBAT2U CFG_DBAT2U -/* BAT3 4M Cache-inhibited, guarded +/* + * BAT3 4M Cache-inhibited, guarded * 0xf800_0000 4M CCSR */ #define CFG_DBAT3L ( CFG_CCSRBAR | BATL_PP_RW \ @@ -385,10 +394,11 @@ #define CFG_IBAT3L (CFG_CCSRBAR | BATL_PP_RW | BATL_CACHEINHIBIT) #define CFG_IBAT3U CFG_DBAT3U -/* BAT4 32M Cache-inhibited, guarded +/* + * BAT4 32M Cache-inhibited, guarded * 0xe200_0000 16M PCI-Express 1 I/O * 0xe300_0000 16M PCI-Express 2 I/0 - ** SS - Note that this is at 0xe0000000 + * Note that this is at 0xe0000000 */ #define CFG_DBAT4L ( CFG_PCI1_IO_BASE | BATL_PP_RW \ | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE) @@ -396,7 +406,8 @@ #define CFG_IBAT4L (CFG_PCI1_IO_BASE | BATL_PP_RW | BATL_CACHEINHIBIT) #define CFG_IBAT4U CFG_DBAT4U -/* BAT5 128K Cacheable, non-guarded +/* + * BAT5 128K Cacheable, non-guarded * 0xe401_0000 128K Init RAM for stack in the CPU DCache (no backing memory) */ #define CFG_DBAT5L (CFG_INIT_RAM_ADDR | BATL_PP_RW | BATL_MEMCOHERENCE) @@ -404,7 +415,8 @@ #define CFG_IBAT5L CFG_DBAT5L #define CFG_IBAT5U CFG_DBAT5U -/* BAT6 32M Cache-inhibited, guarded +/* + * BAT6 32M Cache-inhibited, guarded * 0xfe00_0000 32M FLASH */ #define CFG_DBAT6L ( CFG_FLASH_BASE | BATL_PP_RW \ @@ -427,7 +439,7 @@ #ifndef CFG_RAMBOOT #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000) - #define CFG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */ + #define CFG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */ #define CFG_ENV_SIZE 0x2000 #else #define CFG_NO_FLASH 1 /* Flash is not usable now */ |