X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Frmu%2Frmu.c;h=cd02b9c6e0f8568e0ca9af192cb6a46befc8aa37;hb=1fed668b3fb9c35932f58af00ff5539239fa4e1d;hp=331fb9877a9627dca6f7996a04b0865fba562b79;hpb=d94f92cbd7f4a4d3bf0d5d963b709c686e8f6633;p=u-boot diff --git a/board/rmu/rmu.c b/board/rmu/rmu.c index 331fb9877a..cd02b9c6e0 100644 --- a/board/rmu/rmu.c +++ b/board/rmu/rmu.c @@ -69,7 +69,7 @@ const uint sdram_table[] = */ 0x0FF0CC24, 0xFFFFCC24, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, 0xEFFB8C34, 0x0FF74C34, - 0x0FFACCB4, 0x0FF5CC34, 0x0FFCC34, 0x0FFFCCB4, + 0x0FFACCB4, 0x0FF5CC34, 0x0FFFCC34, 0x0FFFCCB4, /* * Exception. (Offset 3Ch in UPMA RAM) @@ -92,50 +92,52 @@ int checkboard (void) /* ------------------------------------------------------------------------- */ -long int initdram (int board_type) +phys_size_t initdram (int board_type) { - volatile immap_t *immap = (immap_t *)CFG_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - long int size9 ; + volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + long int size9; - upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); + upmconfig (UPMA, (uint *) sdram_table, + sizeof (sdram_table) / sizeof (uint)); /* Refresh clock prescalar */ - memctl->memc_mptpr = CFG_MPTPR ; + memctl->memc_mptpr = CONFIG_SYS_MPTPR; - memctl->memc_mar = 0x00000088; + memctl->memc_mar = 0x00000088; /* Map controller banks 1 to the SDRAM bank */ - memctl->memc_or1 = CFG_OR1_PRELIM; - memctl->memc_br1 = CFG_BR1_PRELIM; + memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM; + memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM; - memctl->memc_mamr = CFG_MAMR_9COL & (~(MAMR_PTAE)); /* no refresh yet */ + memctl->memc_mamr = CONFIG_SYS_MAMR_9COL & (~(MAMR_PTAE)); /* no refresh yet */ - udelay(200); + udelay (200); - /* perform SDRAM initializsation sequence */ + /* perform SDRAM initializsation sequence */ - memctl->memc_mcr = 0x80002136 ; /* SDRAM bank 0 */ - udelay(1); + memctl->memc_mcr = 0x80002136; /* SDRAM bank 0 */ + udelay (1); - memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ + memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ - udelay (1000); + udelay (1000); /* Check Bank 0 Memory Size, * 9 column mode */ - size9 = dram_size (CFG_MAMR_9COL, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE) ; + size9 = dram_size (CONFIG_SYS_MAMR_9COL, (long *) SDRAM_BASE_PRELIM, + SDRAM_MAX_SIZE); /* * Final mapping: */ - memctl->memc_or1 = ((-size9) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; + memctl->memc_or1 = ((-size9) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM; udelay (1000); - return (size9); + return (size9); } /* ------------------------------------------------------------------------- */ @@ -148,44 +150,13 @@ long int initdram (int board_type) * - short between data lines */ -static long int dram_size (long int mamr_value, long int *base, long int maxsize) +static long int dram_size (long int mamr_value, long int *base, + long int maxsize) { - volatile immap_t *immap = (immap_t *)CFG_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - volatile long int *addr; - ulong cnt, val; - ulong save[32]; /* to make test non-destructive */ - unsigned char i = 0; - - memctl->memc_mamr = mamr_value; - - for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { - addr = base + cnt; /* pointer arith! */ - - save[i++] = *addr; - *addr = ~cnt; - } - - /* write 0 to base address */ - addr = base; - save[i] = *addr; - *addr = 0; - - /* check at base address */ - if ((val = *addr) != 0) { - *addr = save[i]; - return (0); - } - - for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) { - addr = base + cnt; /* pointer arith! */ - - val = *addr; - *addr = save[--i]; - - if (val != (~cnt)) { - return (cnt * sizeof(long)); - } - } - return (maxsize); + volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + + memctl->memc_mamr = mamr_value; + + return (get_ram_size(base, maxsize)); }