mirror of https://gitee.com/openkylin/linux.git
m68k: amiga - RTC platform device conversion
The A2000 TOD is an Oki MSM6242B, while the A3000 TOD is a Ricoh RP5C01. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Geert Uytterhoeven
parent
6f8221c26b
commit
0779c862e4
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@ -97,10 +97,6 @@ static void amiga_get_model(char *model);
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static void amiga_get_hardware_list(struct seq_file *m);
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/* amiga specific timer functions */
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static unsigned long amiga_gettimeoffset(void);
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static int a3000_hwclk(int, struct rtc_time *);
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static int a2000_hwclk(int, struct rtc_time *);
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static int amiga_set_clock_mmss(unsigned long);
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static unsigned int amiga_get_ss(void);
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extern void amiga_mksound(unsigned int count, unsigned int ticks);
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static void amiga_reset(void);
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extern void amiga_init_sound(void);
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@ -138,10 +134,6 @@ static struct {
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}
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};
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static struct resource rtc_resource = {
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.start = 0x00dc0000, .end = 0x00dcffff
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};
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static struct resource ram_resource[NUM_MEMINFO];
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@ -387,15 +379,6 @@ void __init config_amiga(void)
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mach_get_model = amiga_get_model;
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mach_get_hardware_list = amiga_get_hardware_list;
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mach_gettimeoffset = amiga_gettimeoffset;
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if (AMIGAHW_PRESENT(A3000_CLK)) {
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mach_hwclk = a3000_hwclk;
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rtc_resource.name = "A3000 RTC";
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request_resource(&iomem_resource, &rtc_resource);
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} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
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mach_hwclk = a2000_hwclk;
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rtc_resource.name = "A2000 RTC";
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request_resource(&iomem_resource, &rtc_resource);
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}
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/*
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* default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI
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@ -404,8 +387,6 @@ void __init config_amiga(void)
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*/
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mach_max_dma_address = 0xffffffff;
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mach_set_clock_mmss = amiga_set_clock_mmss;
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mach_get_ss = amiga_get_ss;
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mach_reset = amiga_reset;
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#if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
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mach_beep = amiga_mksound;
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@ -530,161 +511,6 @@ static unsigned long amiga_gettimeoffset(void)
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return ticks + offset;
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}
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static int a3000_hwclk(int op, struct rtc_time *t)
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{
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tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
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if (!op) { /* read */
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t->tm_sec = tod_3000.second1 * 10 + tod_3000.second2;
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t->tm_min = tod_3000.minute1 * 10 + tod_3000.minute2;
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t->tm_hour = tod_3000.hour1 * 10 + tod_3000.hour2;
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t->tm_mday = tod_3000.day1 * 10 + tod_3000.day2;
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t->tm_wday = tod_3000.weekday;
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t->tm_mon = tod_3000.month1 * 10 + tod_3000.month2 - 1;
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t->tm_year = tod_3000.year1 * 10 + tod_3000.year2;
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if (t->tm_year <= 69)
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t->tm_year += 100;
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} else {
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tod_3000.second1 = t->tm_sec / 10;
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tod_3000.second2 = t->tm_sec % 10;
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tod_3000.minute1 = t->tm_min / 10;
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tod_3000.minute2 = t->tm_min % 10;
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tod_3000.hour1 = t->tm_hour / 10;
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tod_3000.hour2 = t->tm_hour % 10;
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tod_3000.day1 = t->tm_mday / 10;
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tod_3000.day2 = t->tm_mday % 10;
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if (t->tm_wday != -1)
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tod_3000.weekday = t->tm_wday;
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tod_3000.month1 = (t->tm_mon + 1) / 10;
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tod_3000.month2 = (t->tm_mon + 1) % 10;
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if (t->tm_year >= 100)
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t->tm_year -= 100;
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tod_3000.year1 = t->tm_year / 10;
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tod_3000.year2 = t->tm_year % 10;
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}
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tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
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return 0;
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}
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static int a2000_hwclk(int op, struct rtc_time *t)
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{
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int cnt = 5;
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tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD;
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while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) {
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tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
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udelay(70);
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tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
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--cnt;
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}
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if (!cnt)
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printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n",
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tod_2000.cntrl1);
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if (!op) { /* read */
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t->tm_sec = tod_2000.second1 * 10 + tod_2000.second2;
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t->tm_min = tod_2000.minute1 * 10 + tod_2000.minute2;
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t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2;
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t->tm_mday = tod_2000.day1 * 10 + tod_2000.day2;
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t->tm_wday = tod_2000.weekday;
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t->tm_mon = tod_2000.month1 * 10 + tod_2000.month2 - 1;
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t->tm_year = tod_2000.year1 * 10 + tod_2000.year2;
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if (t->tm_year <= 69)
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t->tm_year += 100;
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if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)) {
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if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12)
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t->tm_hour = 0;
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else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12)
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t->tm_hour += 12;
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}
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} else {
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tod_2000.second1 = t->tm_sec / 10;
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tod_2000.second2 = t->tm_sec % 10;
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tod_2000.minute1 = t->tm_min / 10;
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tod_2000.minute2 = t->tm_min % 10;
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if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)
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tod_2000.hour1 = t->tm_hour / 10;
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else if (t->tm_hour >= 12)
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tod_2000.hour1 = TOD2000_HOUR1_PM +
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(t->tm_hour - 12) / 10;
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else
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tod_2000.hour1 = t->tm_hour / 10;
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tod_2000.hour2 = t->tm_hour % 10;
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tod_2000.day1 = t->tm_mday / 10;
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tod_2000.day2 = t->tm_mday % 10;
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if (t->tm_wday != -1)
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tod_2000.weekday = t->tm_wday;
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tod_2000.month1 = (t->tm_mon + 1) / 10;
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tod_2000.month2 = (t->tm_mon + 1) % 10;
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if (t->tm_year >= 100)
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t->tm_year -= 100;
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tod_2000.year1 = t->tm_year / 10;
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tod_2000.year2 = t->tm_year % 10;
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}
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tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
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return 0;
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}
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static int amiga_set_clock_mmss(unsigned long nowtime)
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{
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short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
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if (AMIGAHW_PRESENT(A3000_CLK)) {
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tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
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tod_3000.second1 = real_seconds / 10;
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tod_3000.second2 = real_seconds % 10;
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tod_3000.minute1 = real_minutes / 10;
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tod_3000.minute2 = real_minutes % 10;
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tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
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} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
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int cnt = 5;
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tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
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while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) {
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tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
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udelay(70);
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tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
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--cnt;
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}
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if (!cnt)
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printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
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tod_2000.second1 = real_seconds / 10;
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tod_2000.second2 = real_seconds % 10;
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tod_2000.minute1 = real_minutes / 10;
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tod_2000.minute2 = real_minutes % 10;
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tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
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}
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return 0;
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}
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static unsigned int amiga_get_ss(void)
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{
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unsigned int s;
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if (AMIGAHW_PRESENT(A3000_CLK)) {
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tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
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s = tod_3000.second1 * 10 + tod_3000.second2;
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tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
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} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
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s = tod_2000.second1 * 10 + tod_2000.second2;
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}
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return s;
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}
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static NORET_TYPE void amiga_reset(void)
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ATTRIB_NORET;
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@ -116,6 +116,13 @@ static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = {
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};
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static const struct resource amiga_rtc_resource __initconst = {
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.start = 0x00dc0000,
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.end = 0x00dcffff,
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.flags = IORESOURCE_MEM,
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};
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static int __init amiga_init_devices(void)
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{
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struct platform_device *pdev;
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@ -174,6 +181,16 @@ static int __init amiga_init_devices(void)
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if (AMIGAHW_PRESENT(AMI_PARALLEL))
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platform_device_register_simple("amiga-parallel", -1, NULL, 0);
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/* real time clocks */
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if (AMIGAHW_PRESENT(A2000_CLK))
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platform_device_register_simple("rtc-msm6242", -1,
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&amiga_rtc_resource, 1);
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if (AMIGAHW_PRESENT(A3000_CLK))
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platform_device_register_simple("rtc-rp5c01", -1,
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&amiga_rtc_resource, 1);
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return 0;
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}
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