#include <asm/processor.h>
#include <asm/io.h>
-#if defined(CONFIG_CPU_SH3)
-struct tmu_regs {
- u8 tocr;
- u8 reserved0;
- u8 tstr;
- u8 reserved1;
- u32 tcor0;
- u32 tcnt0;
- u16 tcr0;
- u16 reserved2;
- u32 tcor1;
- u32 tcnt1;
- u16 tcr1;
- u16 reserved3;
- u32 tcor2;
- u32 tcnt2;
- u16 tcr2;
- u16 reserved4;
- u32 tcpr2;
-};
-#endif /* CONFIG_CPU_SH3 */
-
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_RMOBILE)
-struct tmu_regs {
- u32 reserved;
- u8 tstr;
- u8 reserved2[3];
- u32 tcor0;
- u32 tcnt0;
- u16 tcr0;
- u16 reserved3;
- u32 tcor1;
- u32 tcnt1;
- u16 tcr1;
- u16 reserved4;
- u32 tcor2;
- u32 tcnt2;
- u16 tcr2;
- u16 reserved5;
-};
+#define TSTR 0x4
+#define TCR0 0x10
#endif /* CONFIG_CPU_SH4 */
-#define TCR_TPSC 0x07
+#define TCR_TPSC 0x07
#define TSTR_STR0 BIT(0)
-static struct tmu_regs *tmu = (struct tmu_regs *)TMU_BASE;
-
-unsigned long get_tbclk(void)
-{
-#ifdef CONFIG_RCAR_GEN2
- return CONFIG_SYS_CLK_FREQ / 8;
-#else
- return CONFIG_SYS_CLK_FREQ / 4;
-#endif
-}
-
-unsigned long timer_read_counter(void)
-{
- return ~readl(&tmu->tcnt0);
-}
-
int timer_init(void)
{
- writew(readw(&tmu->tcr0) & ~TCR_TPSC, &tmu->tcr0);
- writeb(readb(&tmu->tstr) & ~TSTR_STR0, &tmu->tstr);
- writeb(readb(&tmu->tstr) | TSTR_STR0, &tmu->tstr);
+ 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;
}