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author | Guenter Roeck <linux@roeck-us.net> | 2013-08-30 06:01:49 -0700 |
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committer | Guenter Roeck <linux@roeck-us.net> | 2013-09-16 18:19:04 -0700 |
commit | 4b08478422040ae8cb11acc15d51f1cdb0ac39c8 (patch) | |
tree | 79718cea7b73f175d64e4c2073ea2585a7bd2337 /arch/h8300/kernel/timer/tpu.c | |
parent | 272b98c6455f00884f0350f775c5342358ebb73f (diff) | |
download | talos-op-linux-4b08478422040ae8cb11acc15d51f1cdb0ac39c8.tar.gz talos-op-linux-4b08478422040ae8cb11acc15d51f1cdb0ac39c8.zip |
Drop support for Renesas H8/300 (h8300) architecture
H8/300 has been dead for several years, and the kernel for it
has not compiled for ages. Drop support for it.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'arch/h8300/kernel/timer/tpu.c')
-rw-r--r-- | arch/h8300/kernel/timer/tpu.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/arch/h8300/kernel/timer/tpu.c b/arch/h8300/kernel/timer/tpu.c deleted file mode 100644 index 0350f6204ecf..000000000000 --- a/arch/h8300/kernel/timer/tpu.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * linux/arch/h8300/kernel/timer/tpu.c - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * TPU Timer Handler - * - */ - -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/timex.h> - -#include <asm/segment.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/regs267x.h> - -/* TPU */ -#if CONFIG_H8300_TPU_CH == 0 -#define TPUBASE 0xffffd0 -#define TPUIRQ 40 -#elif CONFIG_H8300_TPU_CH == 1 -#define TPUBASE 0xffffe0 -#define TPUIRQ 48 -#elif CONFIG_H8300_TPU_CH == 2 -#define TPUBASE 0xfffff0 -#define TPUIRQ 52 -#elif CONFIG_H8300_TPU_CH == 3 -#define TPUBASE 0xfffe80 -#define TPUIRQ 56 -#elif CONFIG_H8300_TPU_CH == 4 -#define TPUBASE 0xfffe90 -#define TPUIRQ 64 -#else -#error Unknown timer channel. -#endif - -#define _TCR 0 -#define _TMDR 1 -#define _TIOR 2 -#define _TIER 4 -#define _TSR 5 -#define _TCNT 6 -#define _GRA 8 -#define _GRB 10 - -#define CCLR0 0x20 - -static irqreturn_t timer_interrupt(int irq, void *dev_id) -{ - h8300_timer_tick(); - ctrl_bclr(0, TPUBASE + _TSR); - return IRQ_HANDLED; -} - -static struct irqaction tpu_irq = { - .name = "tpu", - .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, -}; - -static const int __initconst divide_rate[] = { -#if CONFIG_H8300_TPU_CH == 0 - 1,4,16,64,0,0,0,0, -#elif (CONFIG_H8300_TPU_CH == 1) || (CONFIG_H8300_TPU_CH == 5) - 1,4,16,64,0,0,256,0, -#elif (CONFIG_H8300_TPU_CH == 2) || (CONFIG_H8300_TPU_CH == 4) - 1,4,16,64,0,0,0,1024, -#elif CONFIG_H8300_TPU_CH == 3 - 1,4,16,64,0,1024,256,4096, -#endif -}; - -void __init h8300_timer_setup(void) -{ - unsigned int cnt; - unsigned int div; - - calc_param(cnt, div, divide_rate, 0x10000); - - setup_irq(TPUIRQ, &tpu_irq); - - /* TPU module enabled */ - ctrl_bclr(3, MSTPCRH); - - ctrl_outb(0, TSTR); - ctrl_outb(CCLR0 | div, TPUBASE + _TCR); - ctrl_outb(0, TPUBASE + _TMDR); - ctrl_outw(0, TPUBASE + _TIOR); - ctrl_outb(0x01, TPUBASE + _TIER); - ctrl_outw(cnt, TPUBASE + _GRA); - ctrl_bset(CONFIG_H8300_TPU_CH, TSTR); -} |