diff options
| -rw-r--r-- | board/dave/B2/B2.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/board/dave/B2/B2.c b/board/dave/B2/B2.c new file mode 100644 index 0000000..a6ab917 --- /dev/null +++ b/board/dave/B2/B2.c @@ -0,0 +1,128 @@ +/* + * (C) Copyright 2004 + * DAVE Srl + * http://www.dave-tech.it + * http://www.wawnet.biz + * mailto:info@wawnet.biz + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/hardware.h> + +/* + * Miscelaneous platform dependent initialization + */ + +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + u32 temp; + + /* Configuration Port Control Register*/ + /* Port A */ + PCONA = 0x3ff; + + /* Port B */ + PCONB = 0xff; + PDATB = 0xFFFF; + + /* Port C */ + /* + PCONC = 0xff55ff15; + PDATC = 0x0; + PUPC = 0xffff; + */ + + /* Port D */ + /* + PCOND = 0xaaaa; + PUPD = 0xff; + */ + + /* Port E */ + PCONE = 0x0001aaa9; + PDATE = 0x0; + PUPE = 0xff; + + /* Port F */ + PCONF = 0x124955; + PDATF = 0xff; /* B2-eth_reset tied high level */ + /* + PUPF = 0x1e3; + */ + + /* Port G */ + PUPG = 0x1; + PCONG = 0x3; /*PG0= EINT0= ETH_INT prepared for linux kernel*/ + + INTMSK = 0x03fffeff; + INTCON = 0x05; + + /* + Configure chip ethernet interrupt as High level + Port G EINT 0-7 EINT0 -> CHIP ETHERNET + */ + temp = EXTINT; + temp &= ~0x7; + temp |= 0x1; /*LEVEL_HIGH*/ + EXTINT = temp; + + /* + Reset SMSC LAN91C96 chip + */ + temp= PCONF; + temp |= 0x00000040; + PCONF = temp; + + /* Reset high */ + temp = PDATF; + temp |= (1 << 3); + PDATF = temp; + + /* Short delay */ + for (temp=0;temp<10;temp++) + { + /* NOP */ + } + + /* Reset low */ + temp = PDATF; + temp &= ~(1 << 3); + PDATF = temp; + + /* arch number MACH_TYPE_MBA44B0 */ + gd->bd->bi_arch_number = 178; + + /* location of boot parameters */ + gd->bd->bi_boot_params = 0x0c000100; + + return 0; +} + +int dram_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return (0); +} |