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