diff options
| author | wdenk <wdenk> | 2003-08-28 09:41:22 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2003-08-28 09:41:22 +0000 |
| commit | d94f92cbd7f4a4d3bf0d5d963b709c686e8f6633 (patch) | |
| tree | c85dd4a10c5a68ca09b9139c1b6428d55ada6451 /board | |
| parent | e0ac62d798ce60ec5d43125d4786e58b0d881836 (diff) | |
| download | blackbird-obmc-uboot-d94f92cbd7f4a4d3bf0d5d963b709c686e8f6633.tar.gz blackbird-obmc-uboot-d94f92cbd7f4a4d3bf0d5d963b709c686e8f6633.zip | |
* Fix ICU862 environment problem
* Fix RAM size detection for RMU board
* Implement "reset" for MGT5100/MPC5200 systems
Diffstat (limited to 'board')
| -rw-r--r-- | board/icecube/icecube.c | 11 | ||||
| -rw-r--r-- | board/icu862/u-boot.lds | 5 | ||||
| -rw-r--r-- | board/rmu/rmu.c | 19 |
3 files changed, 22 insertions, 13 deletions
diff --git a/board/icecube/icecube.c b/board/icecube/icecube.c index 396ad2a4f2..f75e675186 100644 --- a/board/icecube/icecube.c +++ b/board/icecube/icecube.c @@ -25,6 +25,7 @@ #include <mpc5xxx.h> #include <pci.h> +#ifndef CFG_RAMBOOT static long int dram_size(long int *base, long int maxsize) { volatile long int *addr; @@ -86,11 +87,14 @@ static void sdram_start (int hi_addr) /* normal operation */ *(vu_long *)MPC5XXX_SDRAM_CTRL = 0x504f0000 | hi_addr_bit; } +#endif long int initdram (int board_type) { - ulong test1, test2, dramsize = 0; + ulong dramsize = 0; #ifndef CFG_RAMBOOT + ulong test1, test2; + /* configure SDRAM start/end */ #if defined(CONFIG_MPC5200) *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e;/* 2G at 0x0 */ @@ -133,8 +137,11 @@ long int initdram (int board_type) #else #ifdef CONFIG_MGT5100 *(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */ + dramsize = ((*(vu_long *)MPC5XXX_SDRAM_STOP + 1) << 15); +#else + dramsize = ((1 << (*(vu_long *)MPC5XXX_SDRAM_CS0CFG - 0x13)) << 20); #endif -#endif +#endif /* CFG_RAMBOOT */ /* return total ram size */ return dramsize; } diff --git a/board/icu862/u-boot.lds b/board/icu862/u-boot.lds index 496c5987ff..84e9cbf2e5 100644 --- a/board/icu862/u-boot.lds +++ b/board/icu862/u-boot.lds @@ -136,11 +136,6 @@ SECTIONS *(.bss) *(COMMON) } - . = ALIGN(256 * 1024); - .ppcenv : - { - common/environment.o (.ppcenv) - } _end = . ; PROVIDE (end = .); } diff --git a/board/rmu/rmu.c b/board/rmu/rmu.c index c9925d09a3..331fb9877a 100644 --- a/board/rmu/rmu.c +++ b/board/rmu/rmu.c @@ -96,7 +96,7 @@ long int initdram (int board_type) { volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; - long int size10 ; + long int size9 ; upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); @@ -109,7 +109,7 @@ long int initdram (int board_type) memctl->memc_or1 = CFG_OR1_PRELIM; memctl->memc_br1 = CFG_BR1_PRELIM; - memctl->memc_mamr = CFG_MAMR_10COL & (~(MAMR_PTAE)); /* no refresh yet */ + memctl->memc_mamr = CFG_MAMR_9COL & (~(MAMR_PTAE)); /* no refresh yet */ udelay(200); @@ -122,13 +122,20 @@ long int initdram (int board_type) udelay (1000); - /* Check Bank 0 Memory Size - * try 10 column mode + /* Check Bank 0 Memory Size, + * 9 column mode */ - size10 = dram_size (CFG_MAMR_10COL, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE) ; + size9 = dram_size (CFG_MAMR_9COL, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE) ; - return (size10); + /* + * Final mapping: + */ + + memctl->memc_or1 = ((-size9) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; + udelay (1000); + + return (size9); } /* ------------------------------------------------------------------------- */ |
