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Date: Sun, 03 Aug 2008 00:33:08 -0400
From: Yoshinori Sato <ysato@...rs.sourceforge.jp>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/3] h8300 update timer handler - misc update
- Update selection
- Update common timer handler
- Add support functions
Signed-off-by: Yoshinori Sato <ysato@...rs.sourceforge.jp>
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/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 d0d2f26..14e06f9 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 @@
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();
}
diff --git a/include/asm-h8300/io.h b/include/asm-h8300/io.h
index 26dc6cc..34d1d3b 100644
--- a/include/asm-h8300/io.h
+++ b/include/asm-h8300/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)
--
Yoshinori Sato
<ysato@...rs.sourceforge.jp>
--
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