diff options
Diffstat (limited to 'arch/arm/mach-iop13xx/include/mach/time.h')
-rw-r--r-- | arch/arm/mach-iop13xx/include/mach/time.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/arch/arm/mach-iop13xx/include/mach/time.h b/arch/arm/mach-iop13xx/include/mach/time.h deleted file mode 100644 index 2c2d7532d5c3..000000000000 --- a/arch/arm/mach-iop13xx/include/mach/time.h +++ /dev/null @@ -1,127 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _IOP13XX_TIME_H_ -#define _IOP13XX_TIME_H_ - -#include <mach/irqs.h> - -#define IRQ_IOP_TIMER0 IRQ_IOP13XX_TIMER0 - -#define IOP_TMR_EN 0x02 -#define IOP_TMR_RELOAD 0x04 -#define IOP_TMR_PRIVILEGED 0x08 -#define IOP_TMR_RATIO_1_1 0x00 - -#define IOP13XX_XSI_FREQ_RATIO_MASK (3 << 19) -#define IOP13XX_XSI_FREQ_RATIO_2 (0 << 19) -#define IOP13XX_XSI_FREQ_RATIO_3 (1 << 19) -#define IOP13XX_XSI_FREQ_RATIO_4 (2 << 19) -#define IOP13XX_CORE_FREQ_MASK (7 << 16) -#define IOP13XX_CORE_FREQ_600 (0 << 16) -#define IOP13XX_CORE_FREQ_667 (1 << 16) -#define IOP13XX_CORE_FREQ_800 (2 << 16) -#define IOP13XX_CORE_FREQ_933 (3 << 16) -#define IOP13XX_CORE_FREQ_1000 (4 << 16) -#define IOP13XX_CORE_FREQ_1200 (5 << 16) - -void iop_init_time(unsigned long tickrate); - -static inline unsigned long iop13xx_core_freq(void) -{ - unsigned long freq = __raw_readl(IOP13XX_PROCESSOR_FREQ); - freq &= IOP13XX_CORE_FREQ_MASK; - switch (freq) { - case IOP13XX_CORE_FREQ_600: - return 600000000; - case IOP13XX_CORE_FREQ_667: - return 667000000; - case IOP13XX_CORE_FREQ_800: - return 800000000; - case IOP13XX_CORE_FREQ_933: - return 933000000; - case IOP13XX_CORE_FREQ_1000: - return 1000000000; - case IOP13XX_CORE_FREQ_1200: - return 1200000000; - default: - printk("%s: warning unknown frequency, defaulting to 800MHz\n", - __func__); - } - - return 800000000; -} - -static inline unsigned long iop13xx_xsi_bus_ratio(void) -{ - unsigned long ratio = __raw_readl(IOP13XX_PROCESSOR_FREQ); - ratio &= IOP13XX_XSI_FREQ_RATIO_MASK; - switch (ratio) { - case IOP13XX_XSI_FREQ_RATIO_2: - return 2; - case IOP13XX_XSI_FREQ_RATIO_3: - return 3; - case IOP13XX_XSI_FREQ_RATIO_4: - return 4; - default: - printk("%s: warning unknown ratio, defaulting to 2\n", - __func__); - } - - return 2; -} - -static inline u32 read_tmr0(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c0, c9, 0" : "=r" (val)); - return val; -} - -static inline void write_tmr0(u32 val) -{ - asm volatile("mcr p6, 0, %0, c0, c9, 0" : : "r" (val)); -} - -static inline void write_tmr1(u32 val) -{ - asm volatile("mcr p6, 0, %0, c1, c9, 0" : : "r" (val)); -} - -static inline u32 read_tcr0(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c2, c9, 0" : "=r" (val)); - return val; -} - -static inline void write_tcr0(u32 val) -{ - asm volatile("mcr p6, 0, %0, c2, c9, 0" : : "r" (val)); -} - -static inline u32 read_tcr1(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c3, c9, 0" : "=r" (val)); - return val; -} - -static inline void write_tcr1(u32 val) -{ - asm volatile("mcr p6, 0, %0, c3, c9, 0" : : "r" (val)); -} - -static inline void write_trr0(u32 val) -{ - asm volatile("mcr p6, 0, %0, c4, c9, 0" : : "r" (val)); -} - -static inline void write_trr1(u32 val) -{ - asm volatile("mcr p6, 0, %0, c5, c9, 0" : : "r" (val)); -} - -static inline void write_tisr(u32 val) -{ - asm volatile("mcr p6, 0, %0, c6, c9, 0" : : "r" (val)); -} -#endif |