Commit a734bbf6 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Greg Ungerer
Browse files

m68k: m68328: move platform code to separate files 



The dragen2 and ucsimm/ucdimm files require a bit of
custom code compared to the other dragonball platforms,
move them into separate files as a preparation for a
build fix.

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarGreg Ungerer <gerg@linux-m68k.org>
parent 670d3965

arch/m68k/68000/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -16,4 +16,8 @@ obj-$(CONFIG_M68EZ328) += m68EZ328.o 
obj-$(CONFIG_M68VZ328)	+= m68VZ328.o

obj-$(CONFIG_ROM)	+= romvec.o



obj-$(CONFIG_DRAGEN2)	+= dragen2.o

obj-$(CONFIG_UCSIMM)	+= ucsimm.o

obj-$(CONFIG_UCDIMM)	+= ucsimm.o



extra-y 		:= head.o

arch/m68k/68000/dragen2.c

0 → 100644
+100 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 *  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 <asm/machdep.h>

#include <asm/MC68VZ328.h>



/***************************************************************************/

/*                        Init Drangon Engine hardware                     */

/***************************************************************************/



static void dragen2_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)"

	);

}



void __init init_dragen2(char *command, int size)

{

	mach_reset = dragen2_reset;



#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

}

arch/m68k/68000/m68328.c

+2 −1
Original line number Diff line number Diff line
@@ -25,9 +25,10 @@ 
#include "bootlogo.h"

#endif



#include "m68328.h"



/***************************************************************************/



int m68328_hwclk(int set, struct rtc_time *t);



/***************************************************************************/

arch/m68k/68000/m68328.h

0 → 100644
+5 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

void init_dragen2(char *command, int size);

void init_ucsimm(char *command, int size);

struct rtc_time;

int m68328_hwclk(int set, struct rtc_time *t);

arch/m68k/68000/m68EZ328.c

+2 −21
Original line number Diff line number Diff line
@@ -24,9 +24,7 @@ 
#include <asm/bootstd.h>

#endif



/***************************************************************************/



int m68328_hwclk(int set, struct rtc_time *t);

#include "m68328.h"



/***************************************************************************/
@@ -44,29 +42,12 @@ void m68ez328_reset(void) 


/***************************************************************************/



unsigned char *cs8900a_hwaddr;

static int errno;



#ifdef CONFIG_UCSIMM

_bsc0(char *, getserialnum)

_bsc1(unsigned char *, gethwaddr, int, a)

_bsc1(char *, getbenv, char *, a)

#endif



void __init config_BSP(char *command, int len)

{

  unsigned char *p;



  pr_info("68EZ328 DragonBallEZ support (C) 1999 Rt-Control, Inc\n");



#ifdef CONFIG_UCSIMM

  pr_info("uCsimm serial string [%s]\n", getserialnum());

  p = cs8900a_hwaddr = gethwaddr(0);

  pr_info("uCsimm hwaddr %pM\n", p);



  p = getbenv("APPEND");

  if (p) strcpy(p,command);

  else command[0] = 0;

  init_ucsimm(command, len);

#endif



  mach_sched_init = hw_timer_init;