/* * (C) Copyright 2003 * Thomas.Lange@corelatus.se * * 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 <command.h> #include <asm/au1x00.h> #include <asm/mipsregs.h> #include <asm/io.h> long int initdram(int board_type) { /* Sdram is setup by assembler code */ /* If memory could be changed, we should return the true value here */ return MEM_SIZE*1024*1024; } #define BCSR_PCMCIA_PC0DRVEN 0x0010 #define BCSR_PCMCIA_PC0RST 0x0080 /* In cpu/mips/cpu.c */ void write_one_tlb( int index, u32 pagemask, u32 hi, u32 low0, u32 low1 ); int checkboard (void) { #ifdef CONFIG_IDE_PCMCIA u16 status; volatile u32 *pcmcia_bcsr = (u32*)(DB1XX0_BCSR_ADDR+0x10); #endif /* CONFIG_IDE_PCMCIA */ volatile u32 *phy = (u32*)(DB1XX0_BCSR_ADDR+0xC); volatile u32 *sys_counter = (volatile u32*)SYS_COUNTER_CNTRL; u32 proc_id; *sys_counter = 0x100; /* Enable 32 kHz oscillator for RTC/TOY */ proc_id = read_32bit_cp0_register(CP0_PRID); switch (proc_id >> 24) { case 0: puts ("Board: Merlot (DbAu1000)\n"); printf ("CPU: Au1000 396 MHz, id: 0x%02x, rev: 0x%02x\n", (proc_id >> 8) & 0xFF, proc_id & 0xFF); break; case 1: puts ("Board: DbAu1500\n"); printf ("CPU: Au1500, id: 0x%02x, rev: 0x%02x\n", (proc_id >> 8) & 0xFF, proc_id & 0xFF); break; case 2: puts ("Board: DbAu1100\n"); printf ("CPU: Au1100, id: 0x%02x, rev: 0x%02x\n", (proc_id >> 8) & 0xFF, proc_id & 0xFF); break; case 3: puts ("Board: DbAu1550\n"); printf ("CPU: Au1550, id: 0x%02x, rev: 0x%02x\n", (proc_id >> 8) & 0xFF, proc_id & 0xFF); break; default: printf ("Unsupported cpu %d, proc_id=0x%x\n", proc_id >> 24, proc_id); } set_io_port_base(0); #ifdef CONFIG_IDE_PCMCIA /* Enable 3.3 V on slot 0 ( VCC ) No 5V */ status = 4; *pcmcia_bcsr = status; status |= BCSR_PCMCIA_PC0DRVEN; *pcmcia_bcsr = status; au_sync(); udelay(300*1000); status |= BCSR_PCMCIA_PC0RST; *pcmcia_bcsr = status; au_sync(); udelay(100*1000); /* PCMCIA is on a 36 bit physical address. We need to map it into a 32 bit addresses */ #if 0 /* We dont need theese unless we run whole pcmcia package */ write_one_tlb(20, /* index */ 0x01ffe000, /* Pagemask, 16 MB pages */ CFG_PCMCIA_IO_BASE, /* Hi */ 0x3C000017, /* Lo0 */ 0x3C200017); /* Lo1 */ write_one_tlb(21, /* index */ 0x01ffe000, /* Pagemask, 16 MB pages */ CFG_PCMCIA_ATTR_BASE, /* Hi */ 0x3D000017, /* Lo0 */ 0x3D200017); /* Lo1 */ #endif /* 0 */ write_one_tlb(22, /* index */ 0x01ffe000, /* Pagemask, 16 MB pages */ CFG_PCMCIA_MEM_ADDR, /* Hi */ 0x3E000017, /* Lo0 */ 0x3E200017); /* Lo1 */ #endif /* CONFIG_IDE_PCMCIA */ /* Release reset of ethernet PHY chips */ /* Always do this, because linux does not know about it */ *phy = 3; return 0; }