sys-clock.h
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上传日期:2013-04-10
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- /****************************************************************************/
- /*
- * linux/include/asm-arm/arch-l7200/sys-clock.h
- *
- * Registers and helper functions for the L7200 Link-Up Systems
- * System clocks.
- *
- * (C) Copyright 2000, S A McConnell (samcconn@cotw.com)
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive for
- * more details.
- */
- /****************************************************************************/
- #define SYS_CLOCK_OFF 0x00050030 /* Offset from IO_START. */
- /* IO_START and IO_BASE are defined in hardware.h */
- #define SYS_CLOCK_START (IO_START + SYS_CLCOK_OFF) /* Physical address */
- #define SYS_CLOCK_BASE (IO_BASE + SYS_CLOCK_OFF) /* Virtual address */
- /* Define the interface to the SYS_CLOCK */
- typedef struct
- {
- unsigned int ENABLE;
- unsigned int ESYNC;
- unsigned int SELECT;
- } sys_clock_interface;
- #define SYS_CLOCK ((volatile sys_clock_interface *)(SYS_CLOCK_BASE))
- //#define CLOCK_EN (*(volatile unsigned long *)(PMU_BASE+CLOCK_EN_OFF))
- //#define CLOCK_ESYNC (*(volatile unsigned long *)(PMU_BASE+CLOCK_ESYNC_OFF))
- //#define CLOCK_SEL (*(volatile unsigned long *)(PMU_BASE+CLOCK_SEL_OFF))
- /* SYS_CLOCK -> ENABLE */
- #define SYN_EN 1<<0
- #define B18M_EN 1<<1
- #define CLK3M6_EN 1<<2
- #define BUART_EN 1<<3
- #define CLK18MU_EN 1<<4
- #define FIR_EN 1<<5
- #define MIRN_EN 1<<6
- #define UARTM_EN 1<<7
- #define SIBADC_EN 1<<8
- #define ALTD_EN 1<<9
- #define CLCLK_EN 1<<10
- /* SYS_CLOCK -> SELECT */
- #define CLK18M_DIV 1<<0
- #define MIR_SEL 1<<1
- #define SSP_SEL 1<<4
- #define MM_DIV 1<<5
- #define MM_SEL 1<<6
- #define ADC_SEL_2 0<<7
- #define ADC_SEL_4 1<<7
- #define ADC_SEL_8 3<<7
- #define ADC_SEL_16 7<<7
- #define ADC_SEL_32 0x0f<<7
- #define ADC_SEL_64 0x1f<<7
- #define ADC_SEL_128 0x3f<<7
- #define ALTD_SEL 1<<13