diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-l7200/include/mach/pmpcon.h | |
parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-l7200/include/mach/pmpcon.h')
-rw-r--r-- | arch/arm/mach-l7200/include/mach/pmpcon.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-l7200/include/mach/pmpcon.h b/arch/arm/mach-l7200/include/mach/pmpcon.h new file mode 100644 index 00000000000..3959871e836 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/pmpcon.h @@ -0,0 +1,46 @@ +/****************************************************************************/ +/* + * arch/arm/mach-l7200/include/mach/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. + */ |