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m68k: amiga - RTC platform device conversion
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The A2000 TOD is an Oki MSM6242B, while the A3000 TOD is a Ricoh RP5C01.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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@geertu
geertu committed May 26, 2010
1 parent 6f8221c commit 0779c86
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Showing 2 changed files with 17 additions and 174 deletions.
174 changes: 0 additions & 174 deletions arch/m68k/amiga/config.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down Expand Up @@ -138,10 +134,6 @@ static struct {
}
};

static struct resource rtc_resource = {
.start = 0x00dc0000, .end = 0x00dcffff
};

static struct resource ram_resource[NUM_MEMINFO];


Expand Down Expand Up @@ -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
Expand All @@ -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;
Expand Down Expand Up @@ -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;

Expand Down
17 changes: 17 additions & 0 deletions arch/m68k/amiga/platform.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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;
}

Expand Down

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