vserver 1.9.5.x5
[linux-2.6.git] / arch / m68k / hp300 / config.c
index 31dcf1a..a0b854f 100644 (file)
  */
 
 #include <linux/config.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/kd.h>
-#include <linux/tty.h>
-#include <linux/console.h>
-#include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/init.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/console.h>
+
+#include <asm/bootinfo.h>
 #include <asm/machdep.h>
 #include <asm/blinken.h>
-#include <asm/hwtest.h>                           /* hwreg_present() */
+#include <asm/io.h>                               /* readb() and writeb() */
+#include <asm/hp300hw.h>
+#include <asm/rtc.h>
 
 #include "ints.h"
 #include "time.h"
 
+unsigned long hp300_model;
+unsigned long hp300_uart_scode = -1;
+unsigned char ledstate;
+
+static char s_hp330[] __initdata = "330";
+static char s_hp340[] __initdata = "340";
+static char s_hp345[] __initdata = "345";
+static char s_hp360[] __initdata = "360";
+static char s_hp370[] __initdata = "370";
+static char s_hp375[] __initdata = "375";
+static char s_hp380[] __initdata = "380";
+static char s_hp385[] __initdata = "385";
+static char s_hp400[] __initdata = "400";
+static char s_hp425t[] __initdata = "425t";
+static char s_hp425s[] __initdata = "425s";
+static char s_hp425e[] __initdata = "425e";
+static char s_hp433t[] __initdata = "433t";
+static char s_hp433s[] __initdata = "433s";
+static char *hp300_models[] __initdata = {
+       [HP_320]        = NULL,
+       [HP_330]        = s_hp330,
+       [HP_340]        = s_hp340,
+       [HP_345]        = s_hp345,
+       [HP_350]        = NULL,
+       [HP_360]        = s_hp360,
+       [HP_370]        = s_hp370,
+       [HP_375]        = s_hp375,
+       [HP_380]        = s_hp380,
+       [HP_385]        = s_hp385,
+       [HP_400]        = s_hp400,
+       [HP_425T]       = s_hp425t,
+       [HP_425S]       = s_hp425s,
+       [HP_425E]       = s_hp425e,
+       [HP_433T]       = s_hp433t,
+       [HP_433S]       = s_hp433s,
+};
+
+static char hp300_model_name[13] = "HP9000/";
+
 extern void hp300_reset(void);
 extern irqreturn_t (*hp300_default_handler[])(int, void *, struct pt_regs *);
 extern int show_hp300_interrupts(struct seq_file *, void *);
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+extern int hp300_setup_serial_console(void) __init;
+#endif
+
+int __init hp300_parse_bootinfo(const struct bi_record *record)
+{
+       int unknown = 0;
+       const unsigned long *data = record->data;
+
+       switch (record->tag) {
+       case BI_HP300_MODEL:
+               hp300_model = *data;
+               break;
+
+       case BI_HP300_UART_SCODE:
+               hp300_uart_scode = *data;
+               break;
+
+       case BI_HP300_UART_ADDR:
+               /* serial port address: ignored here */
+               break;
+
+        default:
+               unknown = 1;
+       }
+
+       return unknown;
+}
 
 #ifdef CONFIG_HEARTBEAT
 static void hp300_pulse(int x)
 {
-   if (x)
-      blinken_leds(0xfe);
-   else
-      blinken_leds(0xff);
+       if (x)
+               blinken_leds(0x10, 0);
+       else
+               blinken_leds(0, 0x10);
 }
 #endif
 
 static void hp300_get_model(char *model)
 {
-  strcpy(model, "HP9000/300");
+       strcpy(model, hp300_model_name);
+}
+
+#define RTCBASE                        0xf0420000
+#define RTC_DATA               0x1
+#define RTC_CMD                        0x3
+
+#define        RTC_BUSY                0x02
+#define        RTC_DATA_RDY            0x01
+
+#define rtc_busy()             (in_8(RTCBASE + RTC_CMD) & RTC_BUSY)
+#define rtc_data_available()   (in_8(RTCBASE + RTC_CMD) & RTC_DATA_RDY)
+#define rtc_status()           (in_8(RTCBASE + RTC_CMD))
+#define rtc_command(x)         out_8(RTCBASE + RTC_CMD, (x))
+#define rtc_read_data()                (in_8(RTCBASE + RTC_DATA))
+#define rtc_write_data(x)      out_8(RTCBASE + RTC_DATA, (x))
+
+#define RTC_SETREG     0xe0
+#define RTC_WRITEREG   0xc2
+#define RTC_READREG    0xc3
+
+#define RTC_REG_SEC2   0
+#define RTC_REG_SEC1   1
+#define RTC_REG_MIN2   2
+#define RTC_REG_MIN1   3
+#define RTC_REG_HOUR2  4
+#define RTC_REG_HOUR1  5
+#define RTC_REG_WDAY   6
+#define RTC_REG_DAY2   7
+#define RTC_REG_DAY1   8
+#define RTC_REG_MON2   9
+#define RTC_REG_MON1   10
+#define RTC_REG_YEAR2  11
+#define RTC_REG_YEAR1  12
+
+#define RTC_HOUR1_24HMODE 0x8
+
+#define RTC_STAT_MASK  0xf0
+#define RTC_STAT_RDY   0x40
+
+static inline unsigned char hp300_rtc_read(unsigned char reg)
+{
+       unsigned char s, ret;
+       unsigned long flags;
+
+       local_irq_save(flags);
+
+       while (rtc_busy());
+       rtc_command(RTC_SETREG);
+       while (rtc_busy());
+       rtc_write_data(reg);
+       while (rtc_busy());
+       rtc_command(RTC_READREG);
+
+       do {
+               while (!rtc_data_available());
+               s = rtc_status();
+               ret = rtc_read_data();
+       } while ((s & RTC_STAT_MASK) != RTC_STAT_RDY);
+
+       local_irq_restore(flags);
+
+       return ret;
+}
+
+static inline unsigned char hp300_rtc_write(unsigned char reg,
+                                           unsigned char val)
+{
+       unsigned char s, ret;
+       unsigned long flags;
+
+       local_irq_save(flags);
+
+       while (rtc_busy());
+       rtc_command(RTC_SETREG);
+       while (rtc_busy());
+       rtc_write_data((val << 4) | reg);
+       while (rtc_busy());
+       rtc_command(RTC_WRITEREG);
+       while (rtc_busy());
+       rtc_command(RTC_READREG);
+
+       do {
+               while (!rtc_data_available());
+               s = rtc_status();
+               ret = rtc_read_data();
+       } while ((s & RTC_STAT_MASK) != RTC_STAT_RDY);
+
+       local_irq_restore(flags);
+
+       return ret;
+}
+
+static int hp300_hwclk(int op, struct rtc_time *t)
+{
+       if (!op) { /* read */
+               t->tm_sec  = hp300_rtc_read(RTC_REG_SEC1) * 10 +
+                       hp300_rtc_read(RTC_REG_SEC2);
+               t->tm_min  = hp300_rtc_read(RTC_REG_MIN1) * 10 +
+                       hp300_rtc_read(RTC_REG_MIN2);
+               t->tm_hour = (hp300_rtc_read(RTC_REG_HOUR1) & 3) * 10 +
+                       hp300_rtc_read(RTC_REG_HOUR2);
+               t->tm_wday = -1;
+               t->tm_mday = hp300_rtc_read(RTC_REG_DAY1) * 10 +
+                       hp300_rtc_read(RTC_REG_DAY2);
+               t->tm_mon  = hp300_rtc_read(RTC_REG_MON1) * 10 +
+                       hp300_rtc_read(RTC_REG_MON2) - 1;
+               t->tm_year = hp300_rtc_read(RTC_REG_YEAR1) * 10 +
+                       hp300_rtc_read(RTC_REG_YEAR2);
+               if (t->tm_year <= 69)
+                       t->tm_year += 100;
+       } else {
+               hp300_rtc_write(RTC_REG_SEC1, t->tm_sec / 10);
+               hp300_rtc_write(RTC_REG_SEC2, t->tm_sec % 10);
+               hp300_rtc_write(RTC_REG_MIN1, t->tm_min / 10);
+               hp300_rtc_write(RTC_REG_MIN2, t->tm_min % 10);
+               hp300_rtc_write(RTC_REG_HOUR1,
+                               ((t->tm_hour / 10) & 3) | RTC_HOUR1_24HMODE);
+               hp300_rtc_write(RTC_REG_HOUR2, t->tm_hour % 10);
+               hp300_rtc_write(RTC_REG_DAY1, t->tm_mday / 10);
+               hp300_rtc_write(RTC_REG_DAY2, t->tm_mday % 10);
+               hp300_rtc_write(RTC_REG_MON1, (t->tm_mon + 1) / 10);
+               hp300_rtc_write(RTC_REG_MON2, (t->tm_mon + 1) % 10);
+               if (t->tm_year >= 100)
+                       t->tm_year -= 100;
+               hp300_rtc_write(RTC_REG_YEAR1, t->tm_year / 10);
+               hp300_rtc_write(RTC_REG_YEAR2, t->tm_year % 10);
+       }
+
+       return 0;
+}
+
+static unsigned int hp300_get_ss(void)
+{
+       return hp300_rtc_read(RTC_REG_SEC1) * 10 +
+               hp300_rtc_read(RTC_REG_SEC2);
 }
 
 void __init config_hp300(void)
 {
-  mach_sched_init      = hp300_sched_init;
-  mach_init_IRQ        = hp300_init_IRQ;
-  mach_request_irq     = hp300_request_irq;
-  mach_free_irq        = hp300_free_irq;
-  mach_get_model       = hp300_get_model;
-  mach_get_irq_list    = show_hp300_interrupts;
-  mach_gettimeoffset   = hp300_gettimeoffset;
-  mach_default_handler = &hp300_default_handler;
-  mach_reset           = hp300_reset;
+       mach_sched_init      = hp300_sched_init;
+       mach_init_IRQ        = hp300_init_IRQ;
+       mach_request_irq     = hp300_request_irq;
+       mach_free_irq        = hp300_free_irq;
+       mach_get_model       = hp300_get_model;
+       mach_get_irq_list    = show_hp300_interrupts;
+       mach_gettimeoffset   = hp300_gettimeoffset;
+       mach_default_handler = &hp300_default_handler;
+       mach_hwclk           = hp300_hwclk;
+       mach_get_ss          = hp300_get_ss;
+       mach_reset           = hp300_reset;
 #ifdef CONFIG_HEARTBEAT
-  mach_heartbeat       = hp300_pulse;
+       mach_heartbeat       = hp300_pulse;
 #endif
 #ifdef CONFIG_DUMMY_CONSOLE
-  conswitchp          = &dummy_con;
+       conswitchp           = &dummy_con;
+#endif
+       mach_max_dma_address = 0xffffffff;
+
+       if (hp300_model >= HP_330 && hp300_model <= HP_433S && hp300_model != HP_350) {
+               printk(KERN_INFO "Detected HP9000 model %s\n", hp300_models[hp300_model-HP_320]);
+               strcat(hp300_model_name, hp300_models[hp300_model-HP_320]);
+       }
+       else {
+               panic("Unknown HP9000 Model");
+       }
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+       hp300_setup_serial_console();
 #endif
-  mach_max_dma_address = 0xffffffff;
 }