Alessandro Rubini | 3e446cb | 2009-12-05 13:39:31 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Register definitions for the AMBA CLCD logic cell. |
| 3 | * |
| 4 | * derived from David A Rusling, although rearranged as a C structure |
| 5 | * linux/include/asm-arm/hardware/amba_clcd.h -- Integrator LCD panel. |
| 6 | * |
| 7 | * Copyright (C) 2001 ARM Limited |
| 8 | * |
| 9 | * This file is subject to the terms and conditions of the GNU General Public |
| 10 | * License. See the file COPYING in the main directory of this archive |
| 11 | * for more details. |
| 12 | */ |
| 13 | |
| 14 | /* |
| 15 | * CLCD Controller Internal Register addresses |
| 16 | */ |
| 17 | struct clcd_registers { |
| 18 | u32 tim0; /* 0x00 */ |
| 19 | u32 tim1; |
| 20 | u32 tim2; |
| 21 | u32 tim3; |
| 22 | u32 ubas; /* 0x10 */ |
| 23 | u32 lbas; |
| 24 | #if !defined(CONFIG_ARCH_VERSATILE) && !defined(CONFIG_ARCH_REALVIEW) |
| 25 | u32 ienb; |
| 26 | u32 cntl; |
| 27 | #else /* Someone rearranged these two registers on the Versatile */ |
| 28 | u32 cntl; |
| 29 | u32 ienb; |
| 30 | #endif |
| 31 | u32 stat; /* 0x20 */ |
| 32 | u32 intr; |
| 33 | u32 ucur; |
| 34 | u32 lcur; |
| 35 | u32 unused[0x74]; /* 0x030..0x1ff */ |
| 36 | u32 palette[0x80]; /* 0x200..0x3ff */ |
| 37 | }; |
| 38 | |
| 39 | /* Bit definition for TIM2 */ |
| 40 | #define TIM2_CLKSEL (1 << 5) |
| 41 | #define TIM2_IVS (1 << 11) |
| 42 | #define TIM2_IHS (1 << 12) |
| 43 | #define TIM2_IPC (1 << 13) |
| 44 | #define TIM2_IOE (1 << 14) |
| 45 | #define TIM2_BCD (1 << 26) |
| 46 | |
| 47 | /* Bit definitions for control register */ |
| 48 | #define CNTL_LCDEN (1 << 0) |
| 49 | #define CNTL_LCDBPP1 (0 << 1) |
| 50 | #define CNTL_LCDBPP2 (1 << 1) |
| 51 | #define CNTL_LCDBPP4 (2 << 1) |
| 52 | #define CNTL_LCDBPP8 (3 << 1) |
| 53 | #define CNTL_LCDBPP16 (4 << 1) |
| 54 | #define CNTL_LCDBPP16_565 (6 << 1) |
| 55 | #define CNTL_LCDBPP24 (5 << 1) |
| 56 | #define CNTL_LCDBW (1 << 4) |
| 57 | #define CNTL_LCDTFT (1 << 5) |
| 58 | #define CNTL_LCDMONO8 (1 << 6) |
| 59 | #define CNTL_LCDDUAL (1 << 7) |
| 60 | #define CNTL_BGR (1 << 8) |
| 61 | #define CNTL_BEBO (1 << 9) |
| 62 | #define CNTL_BEPO (1 << 10) |
| 63 | #define CNTL_LCDPWR (1 << 11) |
| 64 | #define CNTL_LCDVCOMP(x) ((x) << 12) |
| 65 | #define CNTL_LDMAFIFOTIME (1 << 15) |
| 66 | #define CNTL_WATERMARK (1 << 16) |
| 67 | |
| 68 | /* u-boot specific: information passed by the board file */ |
| 69 | struct clcd_config { |
| 70 | struct clcd_registers *address; |
| 71 | u32 tim0; |
| 72 | u32 tim1; |
| 73 | u32 tim2; |
| 74 | u32 tim3; |
| 75 | u32 cntl; |
| 76 | unsigned long pixclock; |
| 77 | }; |