u-boot-brain/board/dbau1x00/dbau1x00.c
Simon Glass 52c411805c board_f: Drop board_type parameter from initdram()
It looks like only cm5200 and tqm8xx use this feature, so we don't really
need it in generic code. Drop it and have the users access gd->board_type
directly.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2017-04-05 13:58:44 -04:00

116 lines
2.9 KiB
C

/*
* (C) Copyright 2003
* Thomas.Lange@corelatus.se
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <mach/au1x00.h>
#include <asm/mipsregs.h>
#include <asm/io.h>
phys_size_t initdram(void)
{
/* 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 arch/mips/cpu/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_c0_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 */
CONFIG_SYS_PCMCIA_IO_BASE, /* Hi */
0x3C000017, /* Lo0 */
0x3C200017); /* Lo1 */
write_one_tlb(21, /* index */
0x01ffe000, /* Pagemask, 16 MB pages */
CONFIG_SYS_PCMCIA_ATTR_BASE, /* Hi */
0x3D000017, /* Lo0 */
0x3D200017); /* Lo1 */
#endif /* 0 */
write_one_tlb(22, /* index */
0x01ffe000, /* Pagemask, 16 MB pages */
CONFIG_SYS_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;
}