diff options
Diffstat (limited to 'arch/h8300')
| -rw-r--r-- | arch/h8300/Kconfig.cpu | 115 | ||||
| -rw-r--r-- | arch/h8300/include/asm/io.h | 34 | ||||
| -rw-r--r-- | arch/h8300/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/h8300/kernel/time.c | 29 |
4 files changed, 97 insertions, 83 deletions
diff --git a/arch/h8300/Kconfig.cpu b/arch/h8300/Kconfig.cpu index 582797d..b65dcfe 100644 --- a/arch/h8300/Kconfig.cpu +++ b/arch/h8300/Kconfig.cpu @@ -1,5 +1,7 @@ menu "Processor type and features" +source "kernel/time/Kconfig" + choice prompt "H8/300 platform" default H8300H_GENERIC @@ -11,6 +13,7 @@ config H8300H_GENERIC config H8300H_AKI3068NET bool "AE-3068/69" + select CONFIG_H83068 help AKI-H8/3068F / AKI-H8/3069F Flashmicom LAN Board Support More Information. (Japanese Only) @@ -21,6 +24,7 @@ config H8300H_AKI3068NET config H8300H_H8MAX bool "H8MAX" + select CONFIG_H83068 help H8MAX Evaluation Board Support More Information. (Japanese Only) @@ -28,6 +32,7 @@ config H8300H_H8MAX config H8300H_SIM bool "H8/300H Simulator" + select CONFIG_H83007 help GDB Simulator Support More Information. @@ -40,6 +45,7 @@ config H8S_GENERIC config H8S_EDOSK2674 bool "EDOSK-2674" + select CONFIG_H8S2768 help Renesas EDOSK-2674 Evaluation Board Support More Information. @@ -55,44 +61,37 @@ config H8S_SIM endchoice -if (H8300H_GENERIC || H8S_GENERIC) -menu "Detail Selection" -if (H8300H_GENERIC) choice prompt "CPU Selection" config H83002 bool "H8/3001,3002,3003" + select CPU_H8300H config H83007 bool "H8/3006,3007" + select CPU_H8300H config H83048 bool "H8/3044,3045,3046,3047,3048,3052" + select CPU_H8300H config H83068 bool "H8/3065,3066,3067,3068,3069" -endchoice -endif - -if (H8S_GENERIC) -choice - prompt "CPU Selection" + select CPU_H8300H config H8S2678 bool "H8S/2670,2673,2674R,2675,2676" + select CPU_H8S + endchoice -endif config CPU_CLOCK int "CPU Clock Frequency (/1KHz)" default "20000" help CPU Clock Frequency divide to 1000 -endmenu -endif -if (H8300H_GENERIC || H8S_GENERIC || H8300H_SIM || H8S_SIM || H8S_EDOSK2674) choice prompt "Kernel executes from" ---help--- @@ -107,75 +106,61 @@ config ROMKERNEL bool "ROM" help The kernel will be resident in FLASH/ROM when running. - endchoice -endif -if (H8300H_AKI3068NET) -config H83068 - bool - default y -config CPU_CLOCK - int - default "20000" - -config RAMKERNEL +config CPU_H8300H bool + depends on (H83002 || H83007 || H83048 || H83068) default y -endif -if (H8300H_H8MAX) -config H83068 +config CPU_H8S bool + depends on H8S2678 default y -config CPU_CLOCK - int - default 25000 +choice + prompt "Timer" +config H8300_TIMER8 + bool "8bit timer (2ch cascade)" + depends on (H83007 || H83068 || H8S2678) -config RAMKERNEL - bool - default y -endif +config H8300_TIMER16 + bool "16bit timer" + depends on (H83007 || H83068) -if (H8300H_SIM) -config H83007 - bool - default y +config H8300_ITU + bool "ITU" + depends on (H83002 || H83048) -config CPU_CLOCK - int - default "16000" -endif +config H8300_TPU + bool "TPU" + depends on H8S2678 +endchoice -if (H8S_EDOSK2674) -config H8S2678 - bool - default y -config CPU_CLOCK - int - default 33000 +if H8300_TIMER8 +choice + prompt "Timer Channel" +config H8300_TIMER8_CH0 + bool "Channel 0" +config H8300_TIMER8_CH2 + bool "Channel 2" + depends on CPU_H8300H +endchoice endif -if (H8S_SIM) -config H8S2678 - bool - default y -config CPU_CLOCK - int - default 33000 -endif +config H8300_TIMER16_CH + int "16bit timer channel (0 - 2)" + depends on H8300_TIMER16 + range 0 2 -config CPU_H8300H - bool - depends on (H83002 || H83007 || H83048 || H83068) - default y +config H8300_ITU_CH + int "ITU channel" + depends on H8300_ITU -config CPU_H8S - bool - depends on H8S2678 - default y +config H8300_TPU_CH + int "TPU channel" + depends on H8300_TPU config PREEMPT bool "Preemptible Kernel" diff --git a/arch/h8300/include/asm/io.h b/arch/h8300/include/asm/io.h index 26dc6cc..33e842f 100644 --- a/arch/h8300/include/asm/io.h +++ b/arch/h8300/include/asm/io.h @@ -295,6 +295,40 @@ static __inline__ void ctrl_outl(unsigned long b, unsigned long addr) *(volatile unsigned long*)addr = b; } +static __inline__ void ctrl_bclr(int b, unsigned long addr) +{ + if (__builtin_constant_p(b)) + switch (b) { + case 0: __asm__("bclr #0,@%0"::"r"(addr)); break; + case 1: __asm__("bclr #1,@%0"::"r"(addr)); break; + case 2: __asm__("bclr #2,@%0"::"r"(addr)); break; + case 3: __asm__("bclr #3,@%0"::"r"(addr)); break; + case 4: __asm__("bclr #4,@%0"::"r"(addr)); break; + case 5: __asm__("bclr #5,@%0"::"r"(addr)); break; + case 6: __asm__("bclr #6,@%0"::"r"(addr)); break; + case 7: __asm__("bclr #7,@%0"::"r"(addr)); break; + } + else + __asm__("bclr %w0,@%1"::"r"(b), "r"(addr)); +} + +static __inline__ void ctrl_bset(int b, unsigned long addr) +{ + if (__builtin_constant_p(b)) + switch (b) { + case 0: __asm__("bset #0,@%0"::"r"(addr)); break; + case 1: __asm__("bset #1,@%0"::"r"(addr)); break; + case 2: __asm__("bset #2,@%0"::"r"(addr)); break; + case 3: __asm__("bset #3,@%0"::"r"(addr)); break; + case 4: __asm__("bset #4,@%0"::"r"(addr)); break; + case 5: __asm__("bset #5,@%0"::"r"(addr)); break; + case 6: __asm__("bset #6,@%0"::"r"(addr)); break; + case 7: __asm__("bset #7,@%0"::"r"(addr)); break; + } + else + __asm__("bset %w0,@%1"::"r"(b), "r"(addr)); +} + /* Pages to physical address... */ #define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) #define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT) diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile index 6c248c3..8d4d2a5 100644 --- a/arch/h8300/kernel/Makefile +++ b/arch/h8300/kernel/Makefile @@ -7,6 +7,6 @@ extra-y := vmlinux.lds obj-y := process.o traps.o ptrace.o irq.o \ sys_h8300.o time.o signal.o \ setup.o gpio.o init_task.o syscalls.o \ - entry.o + entry.o timer/ obj-$(CONFIG_MODULES) += module.o h8300_ksyms.o diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c index e37c835..7f2d6cf 100644 --- a/arch/h8300/kernel/time.c +++ b/arch/h8300/kernel/time.c @@ -27,27 +27,21 @@ #include <linux/profile.h> #include <asm/io.h> -#include <asm/target_time.h> +#include <asm/timer.h> #define TICK_SIZE (tick_nsec / 1000) -/* - * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick - */ -static void timer_interrupt(int irq, void *dummy, struct pt_regs * regs) +void h8300_timer_tick(void) { - /* may need to kick the hardware timer */ - platform_timer_eoi(); - + if (current->pid) + profile_tick(CPU_PROFILING); + write_seqlock(&xtime_lock); do_timer(1); -#ifndef CONFIG_SMP - update_process_times(user_mode(regs)); -#endif - profile_tick(CPU_PROFILING); + write_sequnlock(&xtime_lock); + update_process_times(user_mode(get_irq_regs())); } -void time_init(void) +void __init time_init(void) { unsigned int year, mon, day, hour, min, sec; @@ -57,12 +51,13 @@ void time_init(void) year = 1980; mon = day = 1; hour = min = sec = 0; - platform_gettod (&year, &mon, &day, &hour, &min, &sec); - +#ifdef CONFIG_H8300_GETTOD + h8300_gettod (&year, &mon, &day, &hour, &min, &sec); +#endif if ((year += 1900) < 1970) year += 100; xtime.tv_sec = mktime(year, mon, day, hour, min, sec); xtime.tv_nsec = 0; - platform_timer_setup(timer_interrupt); + h8300_timer_setup(); } |
