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1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/****************************************************************************/
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/*
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* linux/include/asm-arm/arch-l7200/pmpcon.h
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*
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* Registers and helper functions for the L7200 Link-Up Systems
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* DC/DC converter register.
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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 PMPCON_OFF 0x00006000 /* Offset from IO_START_2. */
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/* IO_START_2 and IO_BASE_2 are defined in hardware.h */
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#define PMPCON_START (IO_START_2 + PMPCON_OFF) /* Physical address of reg. */
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#define PMPCON_BASE (IO_BASE_2 + PMPCON_OFF) /* Virtual address of reg. */
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#define PMPCON (*(volatile unsigned int *)(PMPCON_BASE))
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#define PWM2_50CYCLE 0x800
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#define CONTRAST 0x9
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#define PWM1H (CONTRAST)
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#define PWM1L (CONTRAST << 4)
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#define PMPCON_VALUE (PWM2_50CYCLE | PWM1L | PWM1H)
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/* PMPCON = 0x811; // too light and fuzzy
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* PMPCON = 0x844;
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* PMPCON = 0x866; // better color poor depth
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* PMPCON = 0x888; // Darker but better depth
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* PMPCON = 0x899; // Darker even better depth
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* PMPCON = 0x8aa; // too dark even better depth
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* PMPCON = 0X8cc; // Way too dark
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*/
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/* As CONTRAST value increases the greater the depth perception and
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* the darker the colors.
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*/
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