upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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1123 lines
30 KiB
1123 lines
30 KiB
/*
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* (C) Copyright 2000
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* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
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* (C) Copyright 2002
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* Wolfgang Denk, wd@denx.de
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/* #define DEBUG */
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/************************************************************************/
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/* ** HEADER FILES */
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/************************************************************************/
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#include <stdarg.h>
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#include <common.h>
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#include <config.h>
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#include <version.h>
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#include <i2c.h>
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#include <linux/types.h>
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#include <stdio_dev.h>
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#ifdef CONFIG_VIDEO
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DECLARE_GLOBAL_DATA_PTR;
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/************************************************************************/
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/* ** DEBUG SETTINGS */
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/************************************************************************/
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#if 0
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#define VIDEO_DEBUG_COLORBARS /* Force colorbars output */
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#endif
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/************************************************************************/
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/* ** VIDEO MODE SETTINGS */
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/************************************************************************/
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#if 0
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#define VIDEO_MODE_EXTENDED /* Allow screen size bigger than visible area */
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#define VIDEO_MODE_NTSC
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#endif
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#define VIDEO_MODE_PAL
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#if 0
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#define VIDEO_BLINK /* This enables cursor blinking (under construction) */
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#endif
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#define VIDEO_INFO /* Show U-Boot information */
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#define VIDEO_INFO_X VIDEO_LOGO_WIDTH+8
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#define VIDEO_INFO_Y 16
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/************************************************************************/
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/* ** VIDEO MODE CONSTANTS */
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/************************************************************************/
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#ifdef VIDEO_MODE_EXTENDED
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#define VIDEO_COLS VIDEO_ACTIVE_COLS
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#define VIDEO_ROWS VIDEO_ACTIVE_ROWS
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#else
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#define VIDEO_COLS VIDEO_VISIBLE_COLS
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#define VIDEO_ROWS VIDEO_VISIBLE_ROWS
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#endif
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#define VIDEO_PIXEL_SIZE (VIDEO_MODE_BPP/8)
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#define VIDEO_SIZE (VIDEO_ROWS*VIDEO_COLS*VIDEO_PIXEL_SIZE) /* Total size of buffer */
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#define VIDEO_PIX_BLOCKS (VIDEO_SIZE >> 2) /* Number of ints */
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#define VIDEO_LINE_LEN (VIDEO_COLS*VIDEO_PIXEL_SIZE) /* Number of bytes per line */
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#define VIDEO_BURST_LEN (VIDEO_COLS/8)
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#ifdef VIDEO_MODE_YUYV
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#define VIDEO_BG_COL 0x80D880D8 /* Background color in YUYV format */
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#else
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#define VIDEO_BG_COL 0xF8F8F8F8 /* Background color in RGB format */
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#endif
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/************************************************************************/
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/* ** FONT AND LOGO DATA */
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/************************************************************************/
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#include <video_font.h> /* Get font data, width and height */
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#ifdef CONFIG_VIDEO_LOGO
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#include <video_logo.h> /* Get logo data, width and height */
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#define VIDEO_LOGO_WIDTH DEF_U_BOOT_LOGO_WIDTH
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#define VIDEO_LOGO_HEIGHT DEF_U_BOOT_LOGO_HEIGHT
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#define VIDEO_LOGO_ADDR &u_boot_logo
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#endif
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/************************************************************************/
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/* ** VIDEO CONTROLLER CONSTANTS */
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/************************************************************************/
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/* VCCR - VIDEO CONTROLLER CONFIGURATION REGISTER */
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#define VIDEO_VCCR_VON 0 /* Video controller ON */
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#define VIDEO_VCCR_CSRC 1 /* Clock source */
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#define VIDEO_VCCR_PDF 13 /* Pixel display format */
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#define VIDEO_VCCR_IEN 11 /* Interrupt enable */
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/* VSR - VIDEO STATUS REGISTER */
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#define VIDEO_VSR_CAS 6 /* Active set */
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#define VIDEO_VSR_EOF 0 /* End of frame */
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/* VCMR - VIDEO COMMAND REGISTER */
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#define VIDEO_VCMR_BD 0 /* Blank display */
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#define VIDEO_VCMR_ASEL 1 /* Active set selection */
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/* VBCB - VIDEO BACKGROUND COLOR BUFFER REGISTER */
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#define VIDEO_BCSR4_RESET_BIT 21 /* BCSR4 - Extern video encoder reset */
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#define VIDEO_BCSR4_EXTCLK_BIT 22 /* BCSR4 - Extern clock enable */
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#define VIDEO_BCSR4_VIDLED_BIT 23 /* BCSR4 - Video led disable */
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/************************************************************************/
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/* ** CONSOLE CONSTANTS */
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/************************************************************************/
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#ifdef CONFIG_VIDEO_LOGO
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#define CONSOLE_ROWS ((VIDEO_ROWS - VIDEO_LOGO_HEIGHT) / VIDEO_FONT_HEIGHT)
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#define VIDEO_LOGO_SKIP (VIDEO_COLS - VIDEO_LOGO_WIDTH)
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#else
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#define CONSOLE_ROWS (VIDEO_ROWS / VIDEO_FONT_HEIGHT)
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#endif
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#define CONSOLE_COLS (VIDEO_COLS / VIDEO_FONT_WIDTH)
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#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN)
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#define CONSOLE_ROW_FIRST (video_console_address)
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#define CONSOLE_ROW_SECOND (video_console_address + CONSOLE_ROW_SIZE)
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#define CONSOLE_ROW_LAST (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE)
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#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
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#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
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/*
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* Simple color definitions
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*/
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#define CONSOLE_COLOR_BLACK 0
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#define CONSOLE_COLOR_RED 1
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#define CONSOLE_COLOR_GREEN 2
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#define CONSOLE_COLOR_YELLOW 3
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#define CONSOLE_COLOR_BLUE 4
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#define CONSOLE_COLOR_MAGENTA 5
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#define CONSOLE_COLOR_CYAN 6
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#define CONSOLE_COLOR_GREY 13
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#define CONSOLE_COLOR_GREY2 14
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#define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
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/************************************************************************/
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/* ** BITOPS MACROS */
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/************************************************************************/
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#define HISHORT(i) ((i >> 16)&0xffff)
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#define LOSHORT(i) (i & 0xffff)
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#define HICHAR(s) ((i >> 8)&0xff)
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#define LOCHAR(s) (i & 0xff)
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#define HI(c) ((c >> 4)&0xf)
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#define LO(c) (c & 0xf)
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#define SWAPINT(i) (HISHORT(i) | (LOSHORT(i) << 16))
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#define SWAPSHORT(s) (HICHAR(s) | (LOCHAR(s) << 8))
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#define SWAPCHAR(c) (HI(c) | (LO(c) << 4))
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#define BITMASK(b) (1 << (b))
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#define GETBIT(v,b) (((v) & BITMASK(b)) > 0)
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#define SETBIT(v,b,d) (v = (((d)>0) ? (v) | BITMASK(b): (v) & ~BITMASK(b)))
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/************************************************************************/
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/* ** STRUCTURES */
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/************************************************************************/
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typedef struct {
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unsigned char V, Y1, U, Y2;
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} tYUYV;
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/* This structure is based on the Video Ram in the MPC823. */
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typedef struct VRAM {
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unsigned hx:2, /* Horizontal sync */
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vx:2, /* Vertical sync */
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fx:2, /* Frame */
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bx:2, /* Blank */
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res1:6, /* Reserved */
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vds:2, /* Video Data Select */
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inter:1, /* Interrupt */
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res2:2, /* Reserved */
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lcyc:11, /* Loop/video cycles */
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lp:1, /* Loop start/end */
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lst:1; /* Last entry */
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} VRAM;
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/************************************************************************/
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/* ** VARIABLES */
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/************************************************************************/
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static int
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video_panning_range_x = 0, /* Video mode invisible pixels x range */
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video_panning_range_y = 0, /* Video mode invisible pixels y range */
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video_panning_value_x = 0, /* Video mode x panning value (absolute) */
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video_panning_value_y = 0, /* Video mode y panning value (absolute) */
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video_panning_factor_x = 0, /* Video mode x panning value (-127 +127) */
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video_panning_factor_y = 0, /* Video mode y panning value (-127 +127) */
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console_col = 0, /* Cursor col */
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console_row = 0, /* Cursor row */
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video_palette[16]; /* Our palette */
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static const int video_font_draw_table[] =
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{ 0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff };
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static char
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video_color_fg = 0, /* Current fg color index (0-15) */
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video_color_bg = 0, /* Current bg color index (0-15) */
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video_enable = 0; /* Video has been initialized? */
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static void
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*video_fb_address, /* Frame buffer address */
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*video_console_address; /* Console frame buffer start address */
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/************************************************************************/
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/* ** MEMORY FUNCTIONS (32bit) */
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/************************************************************************/
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static void memsetl (int *p, int c, int v)
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{
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while (c--)
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*(p++) = v;
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}
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static void memcpyl (int *d, int *s, int c)
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{
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while (c--)
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*(d++) = *(s++);
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}
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/************************************************************************/
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/* ** VIDEO DRAWING AND COLOR FUNCTIONS */
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/************************************************************************/
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static int video_maprgb (int r, int g, int b)
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{
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#ifdef VIDEO_MODE_YUYV
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unsigned int pR, pG, pB;
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tYUYV YUYV;
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unsigned int *ret = (unsigned int *) &YUYV;
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/* Transform (0-255) components to (0-100) */
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pR = r * 100 / 255;
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pG = g * 100 / 255;
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pB = b * 100 / 255;
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/* Calculate YUV values (0-255) from RGB beetween 0-100 */
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YUYV.Y1 = YUYV.Y2 = 209 * (pR + pG + pB) / 300 + 16;
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YUYV.U = pR - (pG * 3 / 4) - (pB / 4) + 128;
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YUYV.V = pB - (pR / 4) - (pG * 3 / 4) + 128;
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return *ret;
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#endif
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#ifdef VIDEO_MODE_RGB
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return ((r >> 3) << 11) | ((g > 2) << 6) | (b >> 3);
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#endif
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}
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static void video_setpalette (int color, int r, int g, int b)
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{
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color &= 0xf;
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video_palette[color] = video_maprgb (r, g, b);
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/* Swap values if our panning offset is odd */
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if (video_panning_value_x & 1)
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video_palette[color] = SWAPINT (video_palette[color]);
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}
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static void video_fill (int color)
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{
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memsetl (video_fb_address, VIDEO_PIX_BLOCKS, color);
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}
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static void video_setfgcolor (int i)
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{
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video_color_fg = i & 0xf;
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}
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static void video_setbgcolor (int i)
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{
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video_color_bg = i & 0xf;
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}
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static int video_pickcolor (int i)
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{
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return video_palette[i & 0xf];
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}
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/* Absolute console plotting functions */
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#ifdef VIDEO_BLINK
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static void video_revchar (int xx, int yy)
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{
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int rows;
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u8 *dest;
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dest = video_fb_address + yy * VIDEO_LINE_LEN + xx * 2;
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for (rows = VIDEO_FONT_HEIGHT; rows--; dest += VIDEO_LINE_LEN) {
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switch (VIDEO_FONT_WIDTH) {
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case 16:
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((u32 *) dest)[6] ^= 0xffffffff;
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((u32 *) dest)[7] ^= 0xffffffff;
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/* FALL THROUGH */
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case 12:
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((u32 *) dest)[4] ^= 0xffffffff;
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((u32 *) dest)[5] ^= 0xffffffff;
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/* FALL THROUGH */
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case 8:
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((u32 *) dest)[2] ^= 0xffffffff;
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((u32 *) dest)[3] ^= 0xffffffff;
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/* FALL THROUGH */
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case 4:
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((u32 *) dest)[0] ^= 0xffffffff;
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((u32 *) dest)[1] ^= 0xffffffff;
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}
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}
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}
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#endif
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static void video_drawchars (int xx, int yy, unsigned char *s, int count)
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{
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u8 *cdat, *dest, *dest0;
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int rows, offset, c;
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u32 eorx, fgx, bgx;
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offset = yy * VIDEO_LINE_LEN + xx * 2;
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dest0 = video_fb_address + offset;
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fgx = video_pickcolor (video_color_fg);
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bgx = video_pickcolor (video_color_bg);
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if (xx & 1) {
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fgx = SWAPINT (fgx);
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bgx = SWAPINT (bgx);
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}
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eorx = fgx ^ bgx;
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switch (VIDEO_FONT_WIDTH) {
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case 4:
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case 8:
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while (count--) {
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c = *s;
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cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
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for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
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rows--;
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dest += VIDEO_LINE_LEN) {
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u8 bits = *cdat++;
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((u32 *) dest)[0] =
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(video_font_draw_table[bits >> 6] & eorx) ^ bgx;
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((u32 *) dest)[1] =
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(video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
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if (VIDEO_FONT_WIDTH == 8) {
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((u32 *) dest)[2] =
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(video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
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((u32 *) dest)[3] =
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(video_font_draw_table[bits & 3] & eorx) ^ bgx;
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}
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}
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dest0 += VIDEO_FONT_WIDTH * 2;
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s++;
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}
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break;
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case 12:
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case 16:
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while (count--) {
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cdat = video_fontdata + (*s) * (VIDEO_FONT_HEIGHT << 1);
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for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--;
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dest += VIDEO_LINE_LEN) {
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u8 bits = *cdat++;
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((u32 *) dest)[0] =
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(video_font_draw_table[bits >> 6] & eorx) ^ bgx;
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((u32 *) dest)[1] =
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(video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
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((u32 *) dest)[2] =
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(video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
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((u32 *) dest)[3] =
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(video_font_draw_table[bits & 3] & eorx) ^ bgx;
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bits = *cdat++;
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((u32 *) dest)[4] =
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(video_font_draw_table[bits >> 6] & eorx) ^ bgx;
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((u32 *) dest)[5] =
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(video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
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if (VIDEO_FONT_WIDTH == 16) {
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((u32 *) dest)[6] =
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(video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
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((u32 *) dest)[7] =
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(video_font_draw_table[bits & 3] & eorx) ^ bgx;
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}
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}
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s++;
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dest0 += VIDEO_FONT_WIDTH * 2;
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}
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break;
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}
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}
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static inline void video_drawstring (int xx, int yy, char *s)
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{
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video_drawchars (xx, yy, (unsigned char *)s, strlen (s));
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}
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/* Relative to console plotting functions */
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static void video_putchars (int xx, int yy, unsigned char *s, int count)
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{
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#ifdef CONFIG_VIDEO_LOGO
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video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, s, count);
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#else
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video_drawchars (xx, yy, s, count);
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#endif
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}
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static void video_putchar (int xx, int yy, unsigned char c)
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{
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#ifdef CONFIG_VIDEO_LOGO
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video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, &c, 1);
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#else
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video_drawchars (xx, yy, &c, 1);
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#endif
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}
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static inline void video_putstring (int xx, int yy, unsigned char *s)
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{
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video_putchars (xx, yy, (unsigned char *)s, strlen ((char *)s));
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}
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/************************************************************************/
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/* ** VIDEO CONTROLLER LOW-LEVEL FUNCTIONS */
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/************************************************************************/
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static void video_mode_dupefield (VRAM * source, VRAM * dest, int entries)
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{
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int i;
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for (i = 0; i < entries; i++) {
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dest[i] = source[i]; /* Copy the entire record */
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dest[i].fx = (!dest[i].fx) * 3; /* Negate field bit */
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}
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dest[0].lcyc++; /* Add a cycle to the first entry */
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dest[entries - 1].lst = 1; /* Set end of ram entries */
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}
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static void inline video_mode_addentry (VRAM * vr,
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int Hx, int Vx, int Fx, int Bx,
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int VDS, int INT, int LCYC, int LP, int LST)
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{
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vr->hx = Hx;
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vr->vx = Vx;
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vr->fx = Fx;
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vr->bx = Bx;
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vr->vds = VDS;
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vr->inter = INT;
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vr->lcyc = LCYC;
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vr->lp = LP;
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vr->lst = LST;
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}
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#define ADDENTRY(a,b,c,d,e,f,g,h,i) video_mode_addentry(&vr[entry++],a,b,c,d,e,f,g,h,i)
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static int video_mode_generate (void)
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{
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immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
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VRAM *vr = (VRAM *) (((void *) immap) + 0xb00); /* Pointer to the VRAM table */
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int DX, X1, X2, DY, Y1, Y2, entry = 0, fifo;
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/* CHECKING PARAMETERS */
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if (video_panning_factor_y < -128)
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video_panning_factor_y = -128;
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if (video_panning_factor_y > 128)
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video_panning_factor_y = 128;
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if (video_panning_factor_x < -128)
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video_panning_factor_x = -128;
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|
|
if (video_panning_factor_x > 128)
|
|
video_panning_factor_x = 128;
|
|
|
|
/* Setting panning */
|
|
|
|
DX = video_panning_range_x = (VIDEO_ACTIVE_COLS - VIDEO_COLS) * 2;
|
|
DY = video_panning_range_y = (VIDEO_ACTIVE_ROWS - VIDEO_ROWS) / 2;
|
|
|
|
video_panning_value_x = (video_panning_factor_x + 128) * DX / 256;
|
|
video_panning_value_y = (video_panning_factor_y + 128) * DY / 256;
|
|
|
|
/* We assume these are burst units (multiplied by 2, we need it pari) */
|
|
X1 = video_panning_value_x & 0xfffe;
|
|
X2 = DX - X1;
|
|
|
|
/* We assume these are field line units (divided by 2, we need it pari) */
|
|
Y1 = video_panning_value_y & 0xfffe;
|
|
Y2 = DY - Y1;
|
|
|
|
debug("X1=%d, X2=%d, Y1=%d, Y2=%d, DX=%d, DY=%d VIDEO_COLS=%d \n",
|
|
X1, X2, Y1, Y2, DX, DY, VIDEO_COLS);
|
|
|
|
#ifdef VIDEO_MODE_NTSC
|
|
/*
|
|
* Hx Vx Fx Bx VDS INT LCYC LP LST
|
|
*
|
|
* Retrace blanking
|
|
*/
|
|
ADDENTRY (0, 0, 3, 0, 1, 0, 3, 1, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
|
|
/*
|
|
* Vertical blanking
|
|
*/
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, 18, 1, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
|
|
/*
|
|
* Odd field active area (TOP)
|
|
*/
|
|
if (Y1 > 0) {
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
|
|
ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
|
|
}
|
|
/*
|
|
* Odd field active area
|
|
*/
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, 240 - DY, 1, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
|
|
ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0);
|
|
ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
|
|
|
|
if (X2 > 0)
|
|
ADDENTRY (3, 0, 0, 3, 1, 0, X2, 0, 0);
|
|
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
|
|
|
|
/*
|
|
* Odd field active area (BOTTOM)
|
|
*/
|
|
if (Y1 > 0) {
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
|
|
ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
|
|
}
|
|
/*
|
|
* Vertical blanking
|
|
*/
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, 4, 1, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
|
|
/*
|
|
* Vertical blanking
|
|
*/
|
|
ADDENTRY (0, 0, 3, 0, 1, 0, 19, 1, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
|
|
/*
|
|
* Even field active area (TOP)
|
|
*/
|
|
if (Y1 > 0) {
|
|
ADDENTRY (0, 0, 3, 0, 1, 0, Y1, 1, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
|
|
ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
|
|
}
|
|
/*
|
|
* Even field active area (CENTER)
|
|
*/
|
|
ADDENTRY (0, 0, 3, 0, 1, 0, 240 - DY, 1, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
|
|
ADDENTRY (3, 0, 3, 3, 1, 0, 8 + X1, 0, 0);
|
|
ADDENTRY (3, 0, 3, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
|
|
|
|
if (X2 > 0)
|
|
ADDENTRY (3, 0, 3, 3, 1, 0, X2, 0, 0);
|
|
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
|
|
/*
|
|
* Even field active area (BOTTOM)
|
|
*/
|
|
if (Y1 > 0) {
|
|
ADDENTRY (0, 0, 3, 0, 1, 0, Y2, 1, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
|
|
ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
|
|
}
|
|
/*
|
|
* Vertical blanking
|
|
*/
|
|
ADDENTRY (0, 0, 3, 0, 1, 0, 1, 1, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
|
|
ADDENTRY (3, 0, 3, 0, 1, 1, 32, 1, 1);
|
|
#endif
|
|
|
|
#ifdef VIDEO_MODE_PAL
|
|
|
|
/*
|
|
* Hx Vx Fx Bx VDS INT LCYC LP LST
|
|
*
|
|
* vertical; blanking
|
|
*/
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, 22, 1, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
|
|
/*
|
|
* active area (TOP)
|
|
*/
|
|
if (Y1 > 0) {
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0); /* 11? */
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
|
|
ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
|
|
}
|
|
/*
|
|
* field active area (CENTER)
|
|
*/
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, 288 - DY, 1, 0); /* 265? */
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
|
|
ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0);
|
|
ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
|
|
|
|
if (X2 > 0)
|
|
ADDENTRY (3, 0, 0, 1, 1, 0, X2, 0, 0);
|
|
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
|
|
/*
|
|
* field active area (BOTTOM)
|
|
*/
|
|
if (Y2 > 0) {
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0); /* 12? */
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
|
|
ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
|
|
}
|
|
/*
|
|
* field vertical; blanking
|
|
*/
|
|
ADDENTRY (0, 0, 0, 0, 1, 0, 2, 1, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
|
|
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
|
|
/*
|
|
* Create the other field (like this, but whit other field selected,
|
|
* one more cycle loop and a last identifier)
|
|
*/
|
|
video_mode_dupefield (vr, &vr[entry], entry);
|
|
|
|
#endif /* VIDEO_MODE_PAL */
|
|
|
|
/* See what FIFO are we using */
|
|
fifo = GETBIT (immap->im_vid.vid_vsr, VIDEO_VSR_CAS);
|
|
|
|
/* Set number of lines and burst (only one frame for now) */
|
|
if (fifo) {
|
|
immap->im_vid.vid_vfcr0 = VIDEO_BURST_LEN |
|
|
(VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19);
|
|
} else {
|
|
immap->im_vid.vid_vfcr1 = VIDEO_BURST_LEN |
|
|
(VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19);
|
|
}
|
|
|
|
SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_ASEL, !fifo);
|
|
|
|
/*
|
|
* Wait until changes are applied (not done)
|
|
* while (GETBIT(immap->im_vid.vid_vsr, VIDEO_VSR_CAS) == fifo) ;
|
|
*/
|
|
|
|
/* Return number of VRAM entries */
|
|
return entry * 2;
|
|
}
|
|
|
|
static void video_encoder_init (void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void video_ctrl_init (void *memptr)
|
|
{
|
|
immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
|
|
|
|
video_fb_address = memptr;
|
|
|
|
/* Set background */
|
|
debug ("[VIDEO CTRL] Setting background color...\n");
|
|
immap->im_vid.vid_vbcb = VIDEO_BG_COL;
|
|
|
|
/* Show the background */
|
|
debug ("[VIDEO CTRL] Forcing background...\n");
|
|
SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 1);
|
|
|
|
/* Turn off video controller */
|
|
debug ("[VIDEO CTRL] Turning off video controller...\n");
|
|
SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 0);
|
|
|
|
/* Generate and make active a new video mode */
|
|
debug ("[VIDEO CTRL] Generating video mode...\n");
|
|
video_mode_generate ();
|
|
|
|
/* Start of frame buffer (even and odd frame, to make it working with */
|
|
/* any selected active set) */
|
|
debug ("[VIDEO CTRL] Setting frame buffer address...\n");
|
|
immap->im_vid.vid_vfaa1 =
|
|
immap->im_vid.vid_vfaa0 = (u32) video_fb_address;
|
|
immap->im_vid.vid_vfba1 =
|
|
immap->im_vid.vid_vfba0 =
|
|
(u32) video_fb_address + VIDEO_LINE_LEN;
|
|
|
|
/* YUV, Big endian, SHIFT/CLK/CLK input (BEFORE ENABLING 27MHZ EXT CLOCK) */
|
|
debug ("[VIDEO CTRL] Setting pixel mode and clocks...\n");
|
|
immap->im_vid.vid_vccr = 0x2042;
|
|
|
|
/* Configure port pins */
|
|
debug ("[VIDEO CTRL] Configuring input/output pins...\n");
|
|
immap->im_ioport.iop_pdpar = 0x1fff;
|
|
immap->im_ioport.iop_pddir = 0x0000;
|
|
|
|
/* Blanking the screen. */
|
|
debug ("[VIDEO CTRL] Blanking the screen...\n");
|
|
video_fill (VIDEO_BG_COL);
|
|
|
|
/*
|
|
* Turns on Aggressive Mode. Normally, turning on the caches
|
|
* will cause the screen to flicker when the caches try to
|
|
* fill. This gives the FIFO's for the Video Controller
|
|
* higher priority and prevents flickering because of
|
|
* underrun. This may still be an issue when using FLASH,
|
|
* since accessing data from Flash is so slow.
|
|
*/
|
|
debug ("[VIDEO CTRL] Turning on aggressive mode...\n");
|
|
immap->im_siu_conf.sc_sdcr = 0x40;
|
|
|
|
/* Turn on video controller */
|
|
debug ("[VIDEO CTRL] Turning on video controller...\n");
|
|
SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 1);
|
|
|
|
/* Show the display */
|
|
debug ("[VIDEO CTRL] Enabling the video...\n");
|
|
SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 0);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* ** CONSOLE FUNCTIONS */
|
|
/************************************************************************/
|
|
|
|
static void console_scrollup (void)
|
|
{
|
|
/* Copy up rows ignoring the first one */
|
|
memcpyl (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE >> 2);
|
|
|
|
/* Clear the last one */
|
|
memsetl (CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, VIDEO_BG_COL);
|
|
}
|
|
|
|
static inline void console_back (void)
|
|
{
|
|
console_col--;
|
|
|
|
if (console_col < 0) {
|
|
console_col = CONSOLE_COLS - 1;
|
|
console_row--;
|
|
if (console_row < 0)
|
|
console_row = 0;
|
|
}
|
|
|
|
video_putchar ( console_col * VIDEO_FONT_WIDTH,
|
|
console_row * VIDEO_FONT_HEIGHT, ' ');
|
|
}
|
|
|
|
static inline void console_newline (void)
|
|
{
|
|
console_row++;
|
|
console_col = 0;
|
|
|
|
/* Check if we need to scroll the terminal */
|
|
if (console_row >= CONSOLE_ROWS) {
|
|
/* Scroll everything up */
|
|
console_scrollup ();
|
|
|
|
/* Decrement row number */
|
|
console_row--;
|
|
}
|
|
}
|
|
|
|
void video_putc(struct stdio_dev *dev, const char c)
|
|
{
|
|
if (!video_enable) {
|
|
serial_putc (c);
|
|
return;
|
|
}
|
|
|
|
switch (c) {
|
|
case 13: /* Simply ignore this */
|
|
break;
|
|
|
|
case '\n': /* Next line, please */
|
|
console_newline ();
|
|
break;
|
|
|
|
case 9: /* Tab (8 chars alignment) */
|
|
console_col |= 0x0008; /* Next 8 chars boundary */
|
|
console_col &= ~0x0007; /* Set this bit to zero */
|
|
|
|
if (console_col >= CONSOLE_COLS)
|
|
console_newline ();
|
|
break;
|
|
|
|
case 8: /* Eat last character */
|
|
console_back ();
|
|
break;
|
|
|
|
default: /* Add to the console */
|
|
video_putchar ( console_col * VIDEO_FONT_WIDTH,
|
|
console_row * VIDEO_FONT_HEIGHT, c);
|
|
console_col++;
|
|
/* Check if we need to go to next row */
|
|
if (console_col >= CONSOLE_COLS)
|
|
console_newline ();
|
|
}
|
|
}
|
|
|
|
void video_puts(struct stdio_dev *dev, const char *s)
|
|
{
|
|
int count = strlen (s);
|
|
|
|
if (!video_enable)
|
|
while (count--)
|
|
serial_putc (*s++);
|
|
else
|
|
while (count--)
|
|
video_putc(dev, *s++);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* ** CURSOR BLINKING FUNCTIONS */
|
|
/************************************************************************/
|
|
|
|
#ifdef VIDEO_BLINK
|
|
|
|
#define BLINK_TIMER_ID 0
|
|
#define BLINK_TIMER_HZ 2
|
|
|
|
static unsigned char blink_enabled = 0;
|
|
static timer_t blink_timer;
|
|
|
|
static void blink_update (void)
|
|
{
|
|
static int blink_row = -1, blink_col = -1, blink_old = 0;
|
|
|
|
/* Check if we have a new position to invert */
|
|
if ((console_row != blink_row) || (console_col != blink_col)) {
|
|
/* Check if we need to reverse last character */
|
|
if (blink_old)
|
|
video_revchar ( blink_col * VIDEO_FONT_WIDTH,
|
|
(blink_row
|
|
#ifdef CONFIG_VIDEO_LOGO
|
|
+ VIDEO_LOGO_HEIGHT
|
|
#endif
|
|
) * VIDEO_FONT_HEIGHT);
|
|
|
|
/* Update values */
|
|
blink_row = console_row;
|
|
blink_col = console_col;
|
|
blink_old = 0;
|
|
}
|
|
|
|
/* Reverse this character */
|
|
blink_old = !blink_old;
|
|
video_revchar ( console_col * VIDEO_FONT_WIDTH,
|
|
(console_row
|
|
#ifdef CONFIG_VIDEO_LOGO
|
|
+ VIDEO_LOGO_HEIGHT
|
|
#endif
|
|
) * VIDEO_FONT_HEIGHT);
|
|
|
|
}
|
|
|
|
/*
|
|
* Handler for blinking cursor
|
|
*/
|
|
static void blink_handler (void *arg)
|
|
{
|
|
/* Blink */
|
|
blink_update ();
|
|
/* Ack the timer */
|
|
timer_ack (&blink_timer);
|
|
}
|
|
|
|
int blink_set (int blink)
|
|
{
|
|
int ret = blink_enabled;
|
|
|
|
if (blink)
|
|
timer_enable (&blink_timer);
|
|
else
|
|
timer_disable (&blink_timer);
|
|
|
|
blink_enabled = blink;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline void blink_close (void)
|
|
{
|
|
timer_close (&blink_timer);
|
|
}
|
|
|
|
static inline void blink_init (void)
|
|
{
|
|
timer_init (&blink_timer,
|
|
BLINK_TIMER_ID, BLINK_TIMER_HZ,
|
|
blink_handler);
|
|
}
|
|
#endif
|
|
|
|
/************************************************************************/
|
|
/* ** LOGO PLOTTING FUNCTIONS */
|
|
/************************************************************************/
|
|
|
|
#ifdef CONFIG_VIDEO_LOGO
|
|
void easylogo_plot (fastimage_t * image, void *screen, int width, int x,
|
|
int y)
|
|
{
|
|
int skip = width - image->width, xcount, ycount = image->height;
|
|
|
|
#ifdef VIDEO_MODE_YUYV
|
|
ushort *source = (ushort *) image->data;
|
|
ushort *dest = (ushort *) screen + y * width + x;
|
|
|
|
while (ycount--) {
|
|
xcount = image->width;
|
|
while (xcount--)
|
|
*dest++ = *source++;
|
|
dest += skip;
|
|
}
|
|
#endif
|
|
#ifdef VIDEO_MODE_RGB
|
|
unsigned char
|
|
*source = (unsigned short *) image->data,
|
|
*dest = (unsigned short *) screen + ((y * width) + x) * 3;
|
|
|
|
while (ycount--) {
|
|
xcount = image->width * 3;
|
|
memcpy (dest, source, xcount);
|
|
source += xcount;
|
|
dest += ycount;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void *video_logo (void)
|
|
{
|
|
u16 *screen = video_fb_address, width = VIDEO_COLS;
|
|
#ifdef VIDEO_INFO
|
|
char temp[32];
|
|
char info[80];
|
|
#endif /* VIDEO_INFO */
|
|
|
|
easylogo_plot (VIDEO_LOGO_ADDR, screen, width, 0, 0);
|
|
|
|
#ifdef VIDEO_INFO
|
|
sprintf (info, "%s (%s - %s) ",
|
|
U_BOOT_VERSION, U_BOOT_DATE, U_BOOT_TIME);
|
|
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y, info);
|
|
|
|
strcpy(info, "(C) 2002 DENX Software Engineering");
|
|
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT,
|
|
info);
|
|
|
|
strcpy(info, " Wolfgang DENK, wd@denx.de");
|
|
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2,
|
|
info);
|
|
|
|
/* leave one blank line */
|
|
|
|
sprintf(info, "MPC823 CPU at %s MHz, %ld MiB RAM, %ld MiB Flash",
|
|
strmhz(temp, gd->cpu_clk),
|
|
gd->ram_size >> 20,
|
|
gd->bd->bi_flashsize >> 20 );
|
|
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 4,
|
|
info);
|
|
#endif
|
|
|
|
return video_fb_address + VIDEO_LOGO_HEIGHT * VIDEO_LINE_LEN;
|
|
}
|
|
#endif
|
|
|
|
/************************************************************************/
|
|
/* ** VIDEO HIGH-LEVEL FUNCTIONS */
|
|
/************************************************************************/
|
|
|
|
static int video_init (void *videobase)
|
|
{
|
|
/* Initialize the encoder */
|
|
debug ("[VIDEO] Initializing video encoder...\n");
|
|
video_encoder_init ();
|
|
|
|
/* Initialize the video controller */
|
|
debug ("[VIDEO] Initializing video controller at %08x...\n",
|
|
(int) videobase);
|
|
video_ctrl_init (videobase);
|
|
|
|
/* Setting the palette */
|
|
video_setpalette (CONSOLE_COLOR_BLACK, 0, 0, 0);
|
|
video_setpalette (CONSOLE_COLOR_RED, 0xFF, 0, 0);
|
|
video_setpalette (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
|
|
video_setpalette (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
|
|
video_setpalette (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
|
|
video_setpalette (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
|
|
video_setpalette (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
|
|
video_setpalette (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
|
|
video_setpalette (CONSOLE_COLOR_GREY2, 0xF8, 0xF8, 0xF8);
|
|
video_setpalette (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
|
|
|
|
#ifndef CONFIG_SYS_WHITE_ON_BLACK
|
|
video_setfgcolor (CONSOLE_COLOR_BLACK);
|
|
video_setbgcolor (CONSOLE_COLOR_GREY2);
|
|
#else
|
|
video_setfgcolor (CONSOLE_COLOR_GREY2);
|
|
video_setbgcolor (CONSOLE_COLOR_BLACK);
|
|
#endif /* CONFIG_SYS_WHITE_ON_BLACK */
|
|
|
|
#ifdef CONFIG_VIDEO_LOGO
|
|
/* Paint the logo and retrieve tv base address */
|
|
debug ("[VIDEO] Drawing the logo...\n");
|
|
video_console_address = video_logo ();
|
|
#else
|
|
video_console_address = video_fb_address;
|
|
#endif
|
|
|
|
#ifdef VIDEO_BLINK
|
|
/* Enable the blinking (under construction) */
|
|
blink_init ();
|
|
blink_set (0); /* To Fix! */
|
|
#endif
|
|
|
|
/* Initialize the console */
|
|
console_col = 0;
|
|
console_row = 0;
|
|
video_enable = 1;
|
|
|
|
#ifdef VIDEO_MODE_PAL
|
|
# define VIDEO_MODE_TMP1 "PAL"
|
|
#endif
|
|
#ifdef VIDEO_MODE_NTSC
|
|
# define VIDEO_MODE_TMP1 "NTSC"
|
|
#endif
|
|
#ifdef VIDEO_MODE_YUYV
|
|
# define VIDEO_MODE_TMP2 "YCbYCr"
|
|
#endif
|
|
#ifdef VIDEO_MODE_RGB
|
|
# define VIDEO_MODE_TMP2 "RGB"
|
|
#endif
|
|
debug ( VIDEO_MODE_TMP1
|
|
" %dx%dx%d (" VIDEO_MODE_TMP2 ") on %s - console %dx%d\n",
|
|
VIDEO_COLS, VIDEO_ROWS, VIDEO_MODE_BPP,
|
|
VIDEO_ENCODER_NAME, CONSOLE_COLS, CONSOLE_ROWS);
|
|
return 0;
|
|
}
|
|
|
|
int drv_video_init (void)
|
|
{
|
|
int error, devices = 1;
|
|
|
|
struct stdio_dev videodev;
|
|
|
|
video_init ((void *)(gd->fb_base)); /* Video initialization */
|
|
|
|
/* Device initialization */
|
|
|
|
memset (&videodev, 0, sizeof (videodev));
|
|
|
|
strcpy (videodev.name, "video");
|
|
videodev.flags = DEV_FLAGS_OUTPUT; /* Output only */
|
|
videodev.putc = video_putc; /* 'putc' function */
|
|
videodev.puts = video_puts; /* 'puts' function */
|
|
|
|
error = stdio_register (&videodev);
|
|
|
|
return (error == 0) ? devices : error;
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* ** ROM capable initialization part - needed to reserve FB memory */
|
|
/************************************************************************/
|
|
|
|
/*
|
|
* This is called early in the system initialization to grab memory
|
|
* for the video controller.
|
|
* Returns new address for monitor, after reserving video buffer memory
|
|
*
|
|
* Note that this is running from ROM, so no write access to global data.
|
|
*/
|
|
ulong video_setmem (ulong addr)
|
|
{
|
|
/* Allocate pages for the frame buffer. */
|
|
addr -= VIDEO_SIZE;
|
|
|
|
debug ("Reserving %dk for Video Framebuffer at: %08lx\n",
|
|
VIDEO_SIZE>>10, addr);
|
|
|
|
return (addr);
|
|
}
|
|
|
|
#endif
|
|
|