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/****************************************************************************/
/*
* linux/include/asm-arm/arch-l7200/pmpcon.h
*
* Registers and helper functions for the L7200 Link-Up Systems
* DC/DC converter register.
*
* (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 PMPCON_OFF 0x00006000 /* Offset from IO_START_2. */
/* IO_START_2 and IO_BASE_2 are defined in hardware.h */
#define PMPCON_START (IO_START_2 + PMPCON_OFF) /* Physical address of reg. */
#define PMPCON_BASE (IO_BASE_2 + PMPCON_OFF) /* Virtual address of reg. */
#define PMPCON (*(volatile unsigned int *)(PMPCON_BASE))
#define PWM2_50CYCLE 0x800
#define CONTRAST 0x9
#define PWM1H (CONTRAST)
#define PWM1L (CONTRAST << 4)
#define PMPCON_VALUE (PWM2_50CYCLE | PWM1L | PWM1H)
/* PMPCON = 0x811; // too light and fuzzy
* PMPCON = 0x844;
* PMPCON = 0x866; // better color poor depth
* PMPCON = 0x888; // Darker but better depth
* PMPCON = 0x899; // Darker even better depth
* PMPCON = 0x8aa; // too dark even better depth
* PMPCON = 0X8cc; // Way too dark
*/
/* As CONTRAST value increases the greater the depth perception and
* the darker the colors.
*/
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