m68k: m68328: move platform code to separate files (a734bbf6) · Commits · 戴 / test

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;

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