mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 05:03:52 +07:00
ed1aded433
Convert from printk() to pr_*(). Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@linux-m68k.org>
190 lines
4.4 KiB
C
190 lines
4.4 KiB
C
/***************************************************************************/
|
|
|
|
/*
|
|
* m68VZ328.c - 68VZ328 specific config
|
|
*
|
|
* Copyright (C) 1993 Hamish Macdonald
|
|
* Copyright (C) 1999 D. Jeff Dionne
|
|
* Copyright (C) 2001 Georges Menie, Ken Desmet
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file COPYING in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
|
|
/***************************************************************************/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/types.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/kd.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/rtc.h>
|
|
|
|
#include <asm/pgtable.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/MC68VZ328.h>
|
|
#include <asm/bootstd.h>
|
|
|
|
#ifdef CONFIG_INIT_LCD
|
|
#include "bootlogo-vz.h"
|
|
#endif
|
|
|
|
/***************************************************************************/
|
|
|
|
int m68328_hwclk(int set, struct rtc_time *t);
|
|
|
|
/***************************************************************************/
|
|
/* Init Drangon Engine hardware */
|
|
/***************************************************************************/
|
|
#if defined(CONFIG_DRAGEN2)
|
|
|
|
static void m68vz328_reset(void)
|
|
{
|
|
local_irq_disable();
|
|
|
|
#ifdef CONFIG_INIT_LCD
|
|
PBDATA |= 0x20; /* disable CCFL light */
|
|
PKDATA |= 0x4; /* disable LCD controller */
|
|
LCKCON = 0;
|
|
#endif
|
|
|
|
__asm__ __volatile__(
|
|
"reset\n\t"
|
|
"moveal #0x04000000, %a0\n\t"
|
|
"moveal 0(%a0), %sp\n\t"
|
|
"moveal 4(%a0), %a0\n\t"
|
|
"jmp (%a0)"
|
|
);
|
|
}
|
|
|
|
static void __init init_hardware(char *command, int size)
|
|
{
|
|
#ifdef CONFIG_DIRECT_IO_ACCESS
|
|
SCR = 0x10; /* allow user access to internal registers */
|
|
#endif
|
|
|
|
/* CSGB Init */
|
|
CSGBB = 0x4000;
|
|
CSB = 0x1a1;
|
|
|
|
/* CS8900 init */
|
|
/* PK3: hardware sleep function pin, active low */
|
|
PKSEL |= PK(3); /* select pin as I/O */
|
|
PKDIR |= PK(3); /* select pin as output */
|
|
PKDATA |= PK(3); /* set pin high */
|
|
|
|
/* PF5: hardware reset function pin, active high */
|
|
PFSEL |= PF(5); /* select pin as I/O */
|
|
PFDIR |= PF(5); /* select pin as output */
|
|
PFDATA &= ~PF(5); /* set pin low */
|
|
|
|
/* cs8900 hardware reset */
|
|
PFDATA |= PF(5);
|
|
{ int i; for (i = 0; i < 32000; ++i); }
|
|
PFDATA &= ~PF(5);
|
|
|
|
/* INT1 enable (cs8900 IRQ) */
|
|
PDPOL &= ~PD(1); /* active high signal */
|
|
PDIQEG &= ~PD(1);
|
|
PDIRQEN |= PD(1); /* IRQ enabled */
|
|
|
|
#ifdef CONFIG_INIT_LCD
|
|
/* initialize LCD controller */
|
|
LSSA = (long) screen_bits;
|
|
LVPW = 0x14;
|
|
LXMAX = 0x140;
|
|
LYMAX = 0xef;
|
|
LRRA = 0;
|
|
LPXCD = 3;
|
|
LPICF = 0x08;
|
|
LPOLCF = 0;
|
|
LCKCON = 0x80;
|
|
PCPDEN = 0xff;
|
|
PCSEL = 0;
|
|
|
|
/* Enable LCD controller */
|
|
PKDIR |= 0x4;
|
|
PKSEL |= 0x4;
|
|
PKDATA &= ~0x4;
|
|
|
|
/* Enable CCFL backlighting circuit */
|
|
PBDIR |= 0x20;
|
|
PBSEL |= 0x20;
|
|
PBDATA &= ~0x20;
|
|
|
|
/* contrast control register */
|
|
PFDIR |= 0x1;
|
|
PFSEL &= ~0x1;
|
|
PWMR = 0x037F;
|
|
#endif
|
|
}
|
|
|
|
/***************************************************************************/
|
|
/* Init RT-Control uCdimm hardware */
|
|
/***************************************************************************/
|
|
#elif defined(CONFIG_UCDIMM)
|
|
|
|
static void m68vz328_reset(void)
|
|
{
|
|
local_irq_disable();
|
|
asm volatile (
|
|
"moveal #0x10c00000, %a0;\n\t"
|
|
"moveb #0, 0xFFFFF300;\n\t"
|
|
"moveal 0(%a0), %sp;\n\t"
|
|
"moveal 4(%a0), %a0;\n\t"
|
|
"jmp (%a0);\n"
|
|
);
|
|
}
|
|
|
|
unsigned char *cs8900a_hwaddr;
|
|
static int errno;
|
|
|
|
_bsc0(char *, getserialnum)
|
|
_bsc1(unsigned char *, gethwaddr, int, a)
|
|
_bsc1(char *, getbenv, char *, a)
|
|
|
|
static void __init init_hardware(char *command, int size)
|
|
{
|
|
char *p;
|
|
|
|
pr_info("uCdimm serial string [%s]\n", getserialnum());
|
|
p = cs8900a_hwaddr = gethwaddr(0);
|
|
pr_info("uCdimm hwaddr %pM\n", p);
|
|
p = getbenv("APPEND");
|
|
if (p)
|
|
strcpy(p, command);
|
|
else
|
|
command[0] = 0;
|
|
}
|
|
|
|
/***************************************************************************/
|
|
#else
|
|
|
|
static void m68vz328_reset(void)
|
|
{
|
|
}
|
|
|
|
static void __init init_hardware(char *command, int size)
|
|
{
|
|
}
|
|
|
|
/***************************************************************************/
|
|
#endif
|
|
/***************************************************************************/
|
|
|
|
void __init config_BSP(char *command, int size)
|
|
{
|
|
pr_info("68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n");
|
|
|
|
init_hardware(command, size);
|
|
|
|
mach_sched_init = hw_timer_init;
|
|
mach_hwclk = m68328_hwclk;
|
|
mach_reset = m68vz328_reset;
|
|
}
|
|
|
|
/***************************************************************************/
|