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Commit 0779c862 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

m68k: amiga - RTC platform device conversion 



The A2000 TOD is an Oki MSM6242B, while the A3000 TOD is a Ricoh RP5C01.

Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
parent 6f8221c2

arch/m68k/amiga/config.c

+0 −174
Original line number Diff line number Diff line
@@ -97,10 +97,6 @@ static void amiga_get_model(char *model); 
static void amiga_get_hardware_list(struct seq_file *m);

/* amiga specific timer functions */

static unsigned long amiga_gettimeoffset(void);

static int a3000_hwclk(int, struct rtc_time *);

static int a2000_hwclk(int, struct rtc_time *);

static int amiga_set_clock_mmss(unsigned long);

static unsigned int amiga_get_ss(void);

extern void amiga_mksound(unsigned int count, unsigned int ticks);

static void amiga_reset(void);

extern void amiga_init_sound(void);
@@ -138,10 +134,6 @@ static struct { 
	}

};



static struct resource rtc_resource = {

	.start = 0x00dc0000, .end = 0x00dcffff

};



static struct resource ram_resource[NUM_MEMINFO];
@@ -387,15 +379,6 @@ void __init config_amiga(void) 
	mach_get_model       = amiga_get_model;

	mach_get_hardware_list = amiga_get_hardware_list;

	mach_gettimeoffset   = amiga_gettimeoffset;

	if (AMIGAHW_PRESENT(A3000_CLK)) {

		mach_hwclk         = a3000_hwclk;

		rtc_resource.name = "A3000 RTC";

		request_resource(&iomem_resource, &rtc_resource);

	} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {

		mach_hwclk         = a2000_hwclk;

		rtc_resource.name = "A2000 RTC";

		request_resource(&iomem_resource, &rtc_resource);

	}



	/*

	 * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI
@@ -404,8 +387,6 @@ void __init config_amiga(void) 
	 */

	mach_max_dma_address = 0xffffffff;



	mach_set_clock_mmss  = amiga_set_clock_mmss;

	mach_get_ss          = amiga_get_ss;

	mach_reset           = amiga_reset;

#if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)

	mach_beep            = amiga_mksound;
@@ -530,161 +511,6 @@ static unsigned long amiga_gettimeoffset(void) 
	return ticks + offset;

}



static int a3000_hwclk(int op, struct rtc_time *t)

{

	tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;



	if (!op) { /* read */

		t->tm_sec  = tod_3000.second1 * 10 + tod_3000.second2;

		t->tm_min  = tod_3000.minute1 * 10 + tod_3000.minute2;

		t->tm_hour = tod_3000.hour1   * 10 + tod_3000.hour2;

		t->tm_mday = tod_3000.day1    * 10 + tod_3000.day2;

		t->tm_wday = tod_3000.weekday;

		t->tm_mon  = tod_3000.month1  * 10 + tod_3000.month2 - 1;

		t->tm_year = tod_3000.year1   * 10 + tod_3000.year2;

		if (t->tm_year <= 69)

			t->tm_year += 100;

	} else {

		tod_3000.second1 = t->tm_sec / 10;

		tod_3000.second2 = t->tm_sec % 10;

		tod_3000.minute1 = t->tm_min / 10;

		tod_3000.minute2 = t->tm_min % 10;

		tod_3000.hour1   = t->tm_hour / 10;

		tod_3000.hour2   = t->tm_hour % 10;

		tod_3000.day1    = t->tm_mday / 10;

		tod_3000.day2    = t->tm_mday % 10;

		if (t->tm_wday != -1)

			tod_3000.weekday = t->tm_wday;

		tod_3000.month1  = (t->tm_mon + 1) / 10;

		tod_3000.month2  = (t->tm_mon + 1) % 10;

		if (t->tm_year >= 100)

			t->tm_year -= 100;

		tod_3000.year1   = t->tm_year / 10;

		tod_3000.year2   = t->tm_year % 10;

	}



	tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;



	return 0;

}



static int a2000_hwclk(int op, struct rtc_time *t)

{

	int cnt = 5;



	tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD;



	while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) {

		tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;

		udelay(70);

		tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;

		--cnt;

	}



	if (!cnt)

		printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n",

			tod_2000.cntrl1);



	if (!op) { /* read */

		t->tm_sec  = tod_2000.second1     * 10 + tod_2000.second2;

		t->tm_min  = tod_2000.minute1     * 10 + tod_2000.minute2;

		t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2;

		t->tm_mday = tod_2000.day1        * 10 + tod_2000.day2;

		t->tm_wday = tod_2000.weekday;

		t->tm_mon  = tod_2000.month1      * 10 + tod_2000.month2 - 1;

		t->tm_year = tod_2000.year1       * 10 + tod_2000.year2;

		if (t->tm_year <= 69)

			t->tm_year += 100;



		if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)) {

			if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12)

				t->tm_hour = 0;

			else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12)

				t->tm_hour += 12;

		}

	} else {

		tod_2000.second1 = t->tm_sec / 10;

		tod_2000.second2 = t->tm_sec % 10;

		tod_2000.minute1 = t->tm_min / 10;

		tod_2000.minute2 = t->tm_min % 10;

		if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)

			tod_2000.hour1 = t->tm_hour / 10;

		else if (t->tm_hour >= 12)

			tod_2000.hour1 = TOD2000_HOUR1_PM +

				(t->tm_hour - 12) / 10;

		else

			tod_2000.hour1 = t->tm_hour / 10;

		tod_2000.hour2   = t->tm_hour % 10;

		tod_2000.day1    = t->tm_mday / 10;

		tod_2000.day2    = t->tm_mday % 10;

		if (t->tm_wday != -1)

			tod_2000.weekday = t->tm_wday;

		tod_2000.month1  = (t->tm_mon + 1) / 10;

		tod_2000.month2  = (t->tm_mon + 1) % 10;

		if (t->tm_year >= 100)

			t->tm_year -= 100;

		tod_2000.year1   = t->tm_year / 10;

		tod_2000.year2   = t->tm_year % 10;

	}



	tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;



	return 0;

}



static int amiga_set_clock_mmss(unsigned long nowtime)

{

	short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;



	if (AMIGAHW_PRESENT(A3000_CLK)) {

		tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;



		tod_3000.second1 = real_seconds / 10;

		tod_3000.second2 = real_seconds % 10;

		tod_3000.minute1 = real_minutes / 10;

		tod_3000.minute2 = real_minutes % 10;



		tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;

	} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {

		int cnt = 5;



		tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;



		while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) {

			tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;

			udelay(70);

			tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;

			--cnt;

		}



		if (!cnt)

			printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);



		tod_2000.second1 = real_seconds / 10;

		tod_2000.second2 = real_seconds % 10;

		tod_2000.minute1 = real_minutes / 10;

		tod_2000.minute2 = real_minutes % 10;



		tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;

	}



	return 0;

}



static unsigned int amiga_get_ss(void)

{

	unsigned int s;



	if (AMIGAHW_PRESENT(A3000_CLK)) {

		tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;

		s = tod_3000.second1 * 10 + tod_3000.second2;

		tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;

	} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {

		s = tod_2000.second1 * 10 + tod_2000.second2;

	}

	return s;

}



static NORET_TYPE void amiga_reset(void)

    ATTRIB_NORET;

arch/m68k/amiga/platform.c

+17 −0
Original line number Diff line number Diff line
@@ -116,6 +116,13 @@ static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = { 
};





static const struct resource amiga_rtc_resource __initconst = {

	.start	= 0x00dc0000,

	.end	= 0x00dcffff,

	.flags	= IORESOURCE_MEM,

};





static int __init amiga_init_devices(void)

{

	struct platform_device *pdev;
@@ -174,6 +181,16 @@ static int __init amiga_init_devices(void) 
	if (AMIGAHW_PRESENT(AMI_PARALLEL))

		platform_device_register_simple("amiga-parallel", -1, NULL, 0);





	/* real time clocks */

	if (AMIGAHW_PRESENT(A2000_CLK))

		platform_device_register_simple("rtc-msm6242", -1,

						&amiga_rtc_resource, 1);



	if (AMIGAHW_PRESENT(A3000_CLK))

		platform_device_register_simple("rtc-rp5c01", -1,

						&amiga_rtc_resource, 1);



	return 0;

}