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Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/include/asm/config.h9
-rw-r--r--arch/sh/include/asm/cpu_sh7724.h3
-rw-r--r--arch/sh/lib/time.c45
3 files changed, 22 insertions, 35 deletions
diff --git a/arch/sh/include/asm/config.h b/arch/sh/include/asm/config.h
index bad0026648..d2862df4a5 100644
--- a/arch/sh/include/asm/config.h
+++ b/arch/sh/include/asm/config.h
@@ -6,4 +6,13 @@
#ifndef _ASM_CONFIG_H_
#define _ASM_CONFIG_H_
+#if !defined(CONFIG_CPU_SH2)
+#include <asm/processor.h>
+
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTS_DOWN
+#define CONFIG_SYS_TIMER_COUNTER (TMU_BASE + 0x8) /* TCNT0 */
+#define CONFIG_SYS_TIMER_RATE (CONFIG_SYS_CLK_FREQ / 4)
+#endif
+
#endif
diff --git a/arch/sh/include/asm/cpu_sh7724.h b/arch/sh/include/asm/cpu_sh7724.h
index 7a81e1677e..7b217959ed 100644
--- a/arch/sh/include/asm/cpu_sh7724.h
+++ b/arch/sh/include/asm/cpu_sh7724.h
@@ -203,9 +203,6 @@
#define PYDR 0xA405016A
#define PZDR 0xA405016C
-/* Ether */
-#define EDMR 0xA4600000
-
/* UBC */
/* H-UDI */
diff --git a/arch/sh/lib/time.c b/arch/sh/lib/time.c
index eb642969aa..fb317f95d5 100644
--- a/arch/sh/lib/time.c
+++ b/arch/sh/lib/time.c
@@ -13,44 +13,25 @@
#include <common.h>
#include <asm/processor.h>
#include <asm/io.h>
-#include <sh_tmu.h>
-#define TCR_TPSC 0x07
+#if defined(CONFIG_CPU_SH3)
+#define TSTR 0x2
+#define TCR0 0xc
+#endif /* CONFIG_CPU_SH3 */
-static struct tmu_regs *tmu = (struct tmu_regs *)TMU_BASE;
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_RMOBILE)
+#define TSTR 0x4
+#define TCR0 0x10
+#endif /* CONFIG_CPU_SH4 */
-unsigned long get_tbclk(void)
-{
- u16 tmu_bit = (ffs(CONFIG_SYS_TMU_CLK_DIV) >> 1) - 1;
- return get_tmu0_clk_rate() >> ((tmu_bit + 1) * 2);
-}
-
-unsigned long timer_read_counter(void)
-{
- return ~readl(&tmu->tcnt0);
-}
-
-static void tmu_timer_start(unsigned int timer)
-{
- if (timer > 2)
- return;
- writeb(readb(&tmu->tstr) | (1 << timer), &tmu->tstr);
-}
-
-static void tmu_timer_stop(unsigned int timer)
-{
- if (timer > 2)
- return;
- writeb(readb(&tmu->tstr) & ~(1 << timer), &tmu->tstr);
-}
+#define TCR_TPSC 0x07
+#define TSTR_STR0 BIT(0)
int timer_init(void)
{
- u16 tmu_bit = (ffs(CONFIG_SYS_TMU_CLK_DIV) >> 1) - 1;
- writew((readw(&tmu->tcr0) & ~TCR_TPSC) | tmu_bit, &tmu->tcr0);
-
- tmu_timer_stop(0);
- tmu_timer_start(0);
+ writew(readw(TMU_BASE + TCR0) & ~TCR_TPSC, TMU_BASE + TCR0);
+ writeb(readb(TMU_BASE + TSTR) & ~TSTR_STR0, TMU_BASE + TSTR);
+ writeb(readb(TMU_BASE + TSTR) | TSTR_STR0, TMU_BASE + TSTR);
return 0;
}