forked from Minki/linux
h8300: update timer handler - misc update
- Update selection - Update common timer handler - Add support functions Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yoshinori Sato
Linus Torvalds
parent
e0b0f9e4ea
commit
81d423e280
@ -1,5 +1,7 @@
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menu "Processor type and features"
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source "kernel/time/Kconfig"
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choice
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prompt "H8/300 platform"
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default H8300H_GENERIC
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@ -11,6 +13,7 @@ config H8300H_GENERIC
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config H8300H_AKI3068NET
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bool "AE-3068/69"
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select CONFIG_H83068
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help
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AKI-H8/3068F / AKI-H8/3069F Flashmicom LAN Board Support
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More Information. (Japanese Only)
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@ -21,6 +24,7 @@ config H8300H_AKI3068NET
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config H8300H_H8MAX
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bool "H8MAX"
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select CONFIG_H83068
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help
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H8MAX Evaluation Board Support
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More Information. (Japanese Only)
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@ -28,6 +32,7 @@ config H8300H_H8MAX
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config H8300H_SIM
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bool "H8/300H Simulator"
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select CONFIG_H83007
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help
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GDB Simulator Support
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More Information.
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@ -40,6 +45,7 @@ config H8S_GENERIC
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config H8S_EDOSK2674
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bool "EDOSK-2674"
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select CONFIG_H8S2768
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help
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Renesas EDOSK-2674 Evaluation Board Support
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More Information.
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@ -55,44 +61,37 @@ config H8S_SIM
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endchoice
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if (H8300H_GENERIC || H8S_GENERIC)
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menu "Detail Selection"
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if (H8300H_GENERIC)
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choice
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prompt "CPU Selection"
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config H83002
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bool "H8/3001,3002,3003"
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select CPU_H8300H
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config H83007
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bool "H8/3006,3007"
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select CPU_H8300H
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config H83048
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bool "H8/3044,3045,3046,3047,3048,3052"
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select CPU_H8300H
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config H83068
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bool "H8/3065,3066,3067,3068,3069"
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endchoice
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endif
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if (H8S_GENERIC)
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choice
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prompt "CPU Selection"
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select CPU_H8300H
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config H8S2678
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bool "H8S/2670,2673,2674R,2675,2676"
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select CPU_H8S
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endchoice
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endif
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config CPU_CLOCK
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int "CPU Clock Frequency (/1KHz)"
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default "20000"
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help
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CPU Clock Frequency divide to 1000
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endmenu
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endif
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if (H8300H_GENERIC || H8S_GENERIC || H8300H_SIM || H8S_SIM || H8S_EDOSK2674)
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choice
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prompt "Kernel executes from"
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---help---
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@ -107,65 +106,8 @@ config ROMKERNEL
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bool "ROM"
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help
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The kernel will be resident in FLASH/ROM when running.
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endchoice
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endif
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if (H8300H_AKI3068NET)
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config H83068
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bool
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default y
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config CPU_CLOCK
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int
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default "20000"
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config RAMKERNEL
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bool
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default y
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endif
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if (H8300H_H8MAX)
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config H83068
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bool
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default y
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config CPU_CLOCK
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int
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default 25000
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config RAMKERNEL
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bool
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default y
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endif
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if (H8300H_SIM)
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config H83007
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bool
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default y
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config CPU_CLOCK
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int
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default "16000"
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endif
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if (H8S_EDOSK2674)
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config H8S2678
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bool
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default y
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config CPU_CLOCK
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int
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default 33000
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endif
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if (H8S_SIM)
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config H8S2678
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bool
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default y
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config CPU_CLOCK
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int
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default 33000
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endif
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config CPU_H8300H
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bool
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@ -177,6 +119,49 @@ config CPU_H8S
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depends on H8S2678
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default y
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choice
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prompt "Timer"
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config H8300_TIMER8
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bool "8bit timer (2ch cascade)"
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depends on (H83007 || H83068 || H8S2678)
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config H8300_TIMER16
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bool "16bit timer"
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depends on (H83007 || H83068)
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config H8300_ITU
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bool "ITU"
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depends on (H83002 || H83048)
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config H8300_TPU
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bool "TPU"
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depends on H8S2678
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endchoice
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if H8300_TIMER8
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choice
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prompt "Timer Channel"
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config H8300_TIMER8_CH0
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bool "Channel 0"
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config H8300_TIMER8_CH2
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bool "Channel 2"
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depends on CPU_H8300H
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endchoice
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endif
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config H8300_TIMER16_CH
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int "16bit timer channel (0 - 2)"
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depends on H8300_TIMER16
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range 0 2
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config H8300_ITU_CH
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int "ITU channel"
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depends on H8300_ITU
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config H8300_TPU_CH
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int "TPU channel"
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depends on H8300_TPU
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config PREEMPT
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bool "Preemptible Kernel"
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default n
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@ -295,6 +295,40 @@ static __inline__ void ctrl_outl(unsigned long b, unsigned long addr)
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*(volatile unsigned long*)addr = b;
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}
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static __inline__ void ctrl_bclr(int b, unsigned long addr)
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{
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if (__builtin_constant_p(b))
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switch (b) {
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case 0: __asm__("bclr #0,@%0"::"r"(addr)); break;
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case 1: __asm__("bclr #1,@%0"::"r"(addr)); break;
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case 2: __asm__("bclr #2,@%0"::"r"(addr)); break;
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case 3: __asm__("bclr #3,@%0"::"r"(addr)); break;
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case 4: __asm__("bclr #4,@%0"::"r"(addr)); break;
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case 5: __asm__("bclr #5,@%0"::"r"(addr)); break;
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case 6: __asm__("bclr #6,@%0"::"r"(addr)); break;
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case 7: __asm__("bclr #7,@%0"::"r"(addr)); break;
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}
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else
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__asm__("bclr %w0,@%1"::"r"(b), "r"(addr));
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}
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static __inline__ void ctrl_bset(int b, unsigned long addr)
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{
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if (__builtin_constant_p(b))
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switch (b) {
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case 0: __asm__("bset #0,@%0"::"r"(addr)); break;
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case 1: __asm__("bset #1,@%0"::"r"(addr)); break;
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case 2: __asm__("bset #2,@%0"::"r"(addr)); break;
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case 3: __asm__("bset #3,@%0"::"r"(addr)); break;
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case 4: __asm__("bset #4,@%0"::"r"(addr)); break;
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case 5: __asm__("bset #5,@%0"::"r"(addr)); break;
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case 6: __asm__("bset #6,@%0"::"r"(addr)); break;
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case 7: __asm__("bset #7,@%0"::"r"(addr)); break;
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}
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else
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__asm__("bset %w0,@%1"::"r"(b), "r"(addr));
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}
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/* Pages to physical address... */
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#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT)
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#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT)
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@ -7,6 +7,6 @@ extra-y := vmlinux.lds
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obj-y := process.o traps.o ptrace.o irq.o \
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sys_h8300.o time.o signal.o \
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setup.o gpio.o init_task.o syscalls.o \
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entry.o
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entry.o timer/
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obj-$(CONFIG_MODULES) += module.o h8300_ksyms.o
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@ -27,27 +27,21 @@
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#include <linux/profile.h>
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#include <asm/io.h>
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#include <asm/target_time.h>
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#include <asm/timer.h>
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#define TICK_SIZE (tick_nsec / 1000)
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/*
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* timer_interrupt() needs to keep up the real-time clock,
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* as well as call the "do_timer()" routine every clocktick
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*/
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static void timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
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void h8300_timer_tick(void)
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{
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/* may need to kick the hardware timer */
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platform_timer_eoi();
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if (current->pid)
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profile_tick(CPU_PROFILING);
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write_seqlock(&xtime_lock);
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do_timer(1);
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#ifndef CONFIG_SMP
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update_process_times(user_mode(regs));
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#endif
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profile_tick(CPU_PROFILING);
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write_sequnlock(&xtime_lock);
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update_process_times(user_mode(get_irq_regs()));
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}
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void time_init(void)
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void __init time_init(void)
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{
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unsigned int year, mon, day, hour, min, sec;
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@ -57,12 +51,13 @@ void time_init(void)
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year = 1980;
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mon = day = 1;
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hour = min = sec = 0;
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platform_gettod (&year, &mon, &day, &hour, &min, &sec);
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#ifdef CONFIG_H8300_GETTOD
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h8300_gettod (&year, &mon, &day, &hour, &min, &sec);
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#endif
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if ((year += 1900) < 1970)
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year += 100;
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xtime.tv_sec = mktime(year, mon, day, hour, min, sec);
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xtime.tv_nsec = 0;
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platform_timer_setup(timer_interrupt);
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h8300_timer_setup();
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}
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