#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
-
-#include <asm/bootinfo.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/reboot.h>
#include <linux/serial_core.h>
#endif
-/* These functions are used for rebooting or halting the machine*/
-extern void toshiba_rbtx4927_restart(char *command);
-extern void toshiba_rbtx4927_halt(void);
-extern void toshiba_rbtx4927_power_off(void);
-extern void toshiba_rbtx4927_irq_setup(void);
-
-char *prom_getcmdline(void);
-
static int tx4927_ccfg_toeon = 1;
#ifdef CONFIG_PCI
static void __init rbtx4927_arch_init(void)
{
- if (mips_machtype == MACH_TOSHIBA_RBTX4937)
- tx4937_pci_setup();
- else
- tx4927_pci_setup();
+ tx4927_pci_setup();
+}
+
+static void __init rbtx4937_arch_init(void)
+{
+ tx4937_pci_setup();
}
#else
#define rbtx4927_arch_init NULL
+#define rbtx4937_arch_init NULL
#endif /* CONFIG_PCI */
static void __noreturn wait_forever(void)
(*cpu_wait)();
}
-void toshiba_rbtx4927_restart(char *command)
+static void toshiba_rbtx4927_restart(char *command)
{
printk(KERN_NOTICE "System Rebooting...\n");
/* no return */
}
-void toshiba_rbtx4927_halt(void)
+static void toshiba_rbtx4927_halt(void)
{
printk(KERN_NOTICE "System Halted\n");
local_irq_disable();
/* no return */
}
-void toshiba_rbtx4927_power_off(void)
+static void toshiba_rbtx4927_power_off(void)
{
toshiba_rbtx4927_halt();
/* no return */
set_io_port_base(KSEG1 + RBTX4927_ISA_IO_OFFSET);
#endif
- /*
- * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz.
- *
- * For TX4927:
- * PCIDIVMODE[12:11]'s initial value is given by S9[4:3] (ON:0, OFF:1).
- * CPU 166MHz: PCI 66MHz : PCIDIVMODE: 00 (1/2.5)
- * CPU 200MHz: PCI 66MHz : PCIDIVMODE: 01 (1/3)
- * CPU 166MHz: PCI 33MHz : PCIDIVMODE: 10 (1/5)
- * CPU 200MHz: PCI 33MHz : PCIDIVMODE: 11 (1/6)
- * i.e. S9[3]: ON (83MHz), OFF (100MHz)
- *
- * For TX4937:
- * PCIDIVMODE[12:11]'s initial value is given by S1[5:4] (ON:0, OFF:1)
- * PCIDIVMODE[10] is 0.
- * CPU 266MHz: PCI 33MHz : PCIDIVMODE: 000 (1/8)
- * CPU 266MHz: PCI 66MHz : PCIDIVMODE: 001 (1/4)
- * CPU 300MHz: PCI 33MHz : PCIDIVMODE: 010 (1/9)
- * CPU 300MHz: PCI 66MHz : PCIDIVMODE: 011 (1/4.5)
- * CPU 333MHz: PCI 33MHz : PCIDIVMODE: 100 (1/10)
- * CPU 333MHz: PCI 66MHz : PCIDIVMODE: 101 (1/5)
- *
- */
- if (mips_machtype == MACH_TOSHIBA_RBTX4937)
- switch ((unsigned long)__raw_readq(&tx4938_ccfgptr->ccfg) &
- TX4938_CCFG_PCIDIVMODE_MASK) {
- case TX4938_CCFG_PCIDIVMODE_8:
- case TX4938_CCFG_PCIDIVMODE_4:
- txx9_cpu_clock = 266666666; /* 266MHz */
- break;
- case TX4938_CCFG_PCIDIVMODE_9:
- case TX4938_CCFG_PCIDIVMODE_4_5:
- txx9_cpu_clock = 300000000; /* 300MHz */
- break;
- default:
- txx9_cpu_clock = 333333333; /* 333MHz */
- }
- else
- switch ((unsigned long)__raw_readq(&tx4927_ccfgptr->ccfg) &
- TX4927_CCFG_PCIDIVMODE_MASK) {
- case TX4927_CCFG_PCIDIVMODE_2_5:
- case TX4927_CCFG_PCIDIVMODE_5:
- txx9_cpu_clock = 166666666; /* 166MHz */
- break;
- default:
- txx9_cpu_clock = 200000000; /* 200MHz */
- }
- /* change default value to udelay/mdelay take reasonable time */
- loops_per_jiffy = txx9_cpu_clock / HZ / 2;
-
/* CCFG */
/* do reset on watchdog */
tx4927_ccfg_set(TX4927_CCFG_WR);
#endif
}
-static void __init rbtx4927_time_init(void)
+static void __init rbtx49x7_common_time_init(void)
{
+ /* change default value to udelay/mdelay take reasonable time */
+ loops_per_jiffy = txx9_cpu_clock / HZ / 2;
+
mips_hpt_frequency = txx9_cpu_clock / 2;
if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_TINTDIS)
txx9_clockevent_init(TX4927_TMR_REG(0) & 0xfffffffffULL,
50000000);
}
+static void __init rbtx4927_time_init(void)
+{
+ /*
+ * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz.
+ *
+ * For TX4927:
+ * PCIDIVMODE[12:11]'s initial value is given by S9[4:3] (ON:0, OFF:1).
+ * CPU 166MHz: PCI 66MHz : PCIDIVMODE: 00 (1/2.5)
+ * CPU 200MHz: PCI 66MHz : PCIDIVMODE: 01 (1/3)
+ * CPU 166MHz: PCI 33MHz : PCIDIVMODE: 10 (1/5)
+ * CPU 200MHz: PCI 33MHz : PCIDIVMODE: 11 (1/6)
+ * i.e. S9[3]: ON (83MHz), OFF (100MHz)
+ */
+ switch ((unsigned long)__raw_readq(&tx4927_ccfgptr->ccfg) &
+ TX4927_CCFG_PCIDIVMODE_MASK) {
+ case TX4927_CCFG_PCIDIVMODE_2_5:
+ case TX4927_CCFG_PCIDIVMODE_5:
+ txx9_cpu_clock = 166666666; /* 166MHz */
+ break;
+ default:
+ txx9_cpu_clock = 200000000; /* 200MHz */
+ }
+
+ rbtx49x7_common_time_init();
+}
+
+static void __init rbtx4937_time_init(void)
+{
+ /*
+ * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz.
+ *
+ * For TX4937:
+ * PCIDIVMODE[12:11]'s initial value is given by S1[5:4] (ON:0, OFF:1)
+ * PCIDIVMODE[10] is 0.
+ * CPU 266MHz: PCI 33MHz : PCIDIVMODE: 000 (1/8)
+ * CPU 266MHz: PCI 66MHz : PCIDIVMODE: 001 (1/4)
+ * CPU 300MHz: PCI 33MHz : PCIDIVMODE: 010 (1/9)
+ * CPU 300MHz: PCI 66MHz : PCIDIVMODE: 011 (1/4.5)
+ * CPU 333MHz: PCI 33MHz : PCIDIVMODE: 100 (1/10)
+ * CPU 333MHz: PCI 66MHz : PCIDIVMODE: 101 (1/5)
+ */
+ switch ((unsigned long)__raw_readq(&tx4938_ccfgptr->ccfg) &
+ TX4938_CCFG_PCIDIVMODE_MASK) {
+ case TX4938_CCFG_PCIDIVMODE_8:
+ case TX4938_CCFG_PCIDIVMODE_4:
+ txx9_cpu_clock = 266666666; /* 266MHz */
+ break;
+ case TX4938_CCFG_PCIDIVMODE_9:
+ case TX4938_CCFG_PCIDIVMODE_4_5:
+ txx9_cpu_clock = 300000000; /* 300MHz */
+ break;
+ default:
+ txx9_cpu_clock = 333333333; /* 333MHz */
+ }
+
+ rbtx49x7_common_time_init();
+}
+
static int __init toshiba_rbtx4927_rtc_init(void)
{
static struct resource __initdata res = {
}
struct txx9_board_vec rbtx4927_vec __initdata = {
- .type = MACH_TOSHIBA_RBTX4927,
.system = "Toshiba RBTX4927",
.prom_init = rbtx4927_prom_init,
.mem_setup = rbtx4927_mem_setup,
#endif
};
struct txx9_board_vec rbtx4937_vec __initdata = {
- .type = MACH_TOSHIBA_RBTX4937,
.system = "Toshiba RBTX4937",
.prom_init = rbtx4927_prom_init,
.mem_setup = rbtx4927_mem_setup,
.irq_setup = rbtx4927_irq_setup,
- .time_init = rbtx4927_time_init,
+ .time_init = rbtx4937_time_init,
.device_init = rbtx4927_device_init,
- .arch_init = rbtx4927_arch_init,
+ .arch_init = rbtx4937_arch_init,
#ifdef CONFIG_PCI
.pci_map_irq = rbtx4927_pci_map_irq,
#endif