u-boot/include/amba_clcd.h
Alessandro Rubini 3e446cbdf3 video: add amba-clcd prime-cell
This adds support for the CLCD logic cell. It accepts precompiled
register values for specific configuration through a board-supplied
data structure.  It is used by the Nomadik nhk8815, added by a later
patch in this series.

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
2010-01-27 21:23:14 +01:00

77 lines
1.9 KiB
C

/*
* Register definitions for the AMBA CLCD logic cell.
*
* derived from David A Rusling, although rearranged as a C structure
* linux/include/asm-arm/hardware/amba_clcd.h -- Integrator LCD panel.
*
* Copyright (C) 2001 ARM Limited
*
* 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.
*/
/*
* CLCD Controller Internal Register addresses
*/
struct clcd_registers {
u32 tim0; /* 0x00 */
u32 tim1;
u32 tim2;
u32 tim3;
u32 ubas; /* 0x10 */
u32 lbas;
#if !defined(CONFIG_ARCH_VERSATILE) && !defined(CONFIG_ARCH_REALVIEW)
u32 ienb;
u32 cntl;
#else /* Someone rearranged these two registers on the Versatile */
u32 cntl;
u32 ienb;
#endif
u32 stat; /* 0x20 */
u32 intr;
u32 ucur;
u32 lcur;
u32 unused[0x74]; /* 0x030..0x1ff */
u32 palette[0x80]; /* 0x200..0x3ff */
};
/* Bit definition for TIM2 */
#define TIM2_CLKSEL (1 << 5)
#define TIM2_IVS (1 << 11)
#define TIM2_IHS (1 << 12)
#define TIM2_IPC (1 << 13)
#define TIM2_IOE (1 << 14)
#define TIM2_BCD (1 << 26)
/* Bit definitions for control register */
#define CNTL_LCDEN (1 << 0)
#define CNTL_LCDBPP1 (0 << 1)
#define CNTL_LCDBPP2 (1 << 1)
#define CNTL_LCDBPP4 (2 << 1)
#define CNTL_LCDBPP8 (3 << 1)
#define CNTL_LCDBPP16 (4 << 1)
#define CNTL_LCDBPP16_565 (6 << 1)
#define CNTL_LCDBPP24 (5 << 1)
#define CNTL_LCDBW (1 << 4)
#define CNTL_LCDTFT (1 << 5)
#define CNTL_LCDMONO8 (1 << 6)
#define CNTL_LCDDUAL (1 << 7)
#define CNTL_BGR (1 << 8)
#define CNTL_BEBO (1 << 9)
#define CNTL_BEPO (1 << 10)
#define CNTL_LCDPWR (1 << 11)
#define CNTL_LCDVCOMP(x) ((x) << 12)
#define CNTL_LDMAFIFOTIME (1 << 15)
#define CNTL_WATERMARK (1 << 16)
/* u-boot specific: information passed by the board file */
struct clcd_config {
struct clcd_registers *address;
u32 tim0;
u32 tim1;
u32 tim2;
u32 tim3;
u32 cntl;
unsigned long pixclock;
};