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>

2 files changed, 17 insertions, 174 deletions

diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index d2cc35d98532..b1577f741fa8 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -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;
 
diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index c985db029503..7fd8b41723ea 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -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;
 }