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-rw-r--r--cpu/pxa/pxafb.c471
1 files changed, 0 insertions, 471 deletions
diff --git a/cpu/pxa/pxafb.c b/cpu/pxa/pxafb.c
deleted file mode 100644
index d56c5f0..0000000
--- a/cpu/pxa/pxafb.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/*
- * PXA LCD Controller
- *
- * (C) Copyright 2001-2002
- * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/************************************************************************/
-/* ** HEADER FILES */
-/************************************************************************/
-
-#include <config.h>
-#include <common.h>
-#include <version.h>
-#include <stdarg.h>
-#include <linux/types.h>
-#include <stdio_dev.h>
-#include <lcd.h>
-#include <asm/arch/pxa-regs.h>
-
-/* #define DEBUG */
-
-#ifdef CONFIG_LCD
-
-/*----------------------------------------------------------------------*/
-/*
- * Define panel bpp, LCCR0, LCCR3 and panel_info video struct for
- * your display.
- */
-
-#ifdef CONFIG_PXA_VGA
-/* LCD outputs connected to a video DAC */
-# define LCD_BPP LCD_COLOR8
-
-/* you have to set lccr0 and lccr3 (including pcd) */
-# define REG_LCCR0 0x003008f8
-# define REG_LCCR3 0x0300FF01
-
-/* 640x480x16 @ 61 Hz */
-vidinfo_t panel_info = {
- vl_col: 640,
- vl_row: 480,
- vl_width: 640,
- vl_height: 480,
- vl_clkp: CONFIG_SYS_HIGH,
- vl_oep: CONFIG_SYS_HIGH,
- vl_hsp: CONFIG_SYS_HIGH,
- vl_vsp: CONFIG_SYS_HIGH,
- vl_dp: CONFIG_SYS_HIGH,
- vl_bpix: LCD_BPP,
- vl_lbw: 0,
- vl_splt: 0,
- vl_clor: 0,
- vl_tft: 1,
- vl_hpw: 40,
- vl_blw: 56,
- vl_elw: 56,
- vl_vpw: 20,
- vl_bfw: 8,
- vl_efw: 8,
-};
-#endif /* CONFIG_PXA_VIDEO */
-
-/*----------------------------------------------------------------------*/
-#ifdef CONFIG_SHARP_LM8V31
-
-# define LCD_BPP LCD_COLOR8
-# define LCD_INVERT_COLORS /* Needed for colors to be correct, but why? */
-
-/* you have to set lccr0 and lccr3 (including pcd) */
-# define REG_LCCR0 0x0030087C
-# define REG_LCCR3 0x0340FF08
-
-vidinfo_t panel_info = {
- vl_col: 640,
- vl_row: 480,
- vl_width: 157,
- vl_height: 118,
- vl_clkp: CONFIG_SYS_HIGH,
- vl_oep: CONFIG_SYS_HIGH,
- vl_hsp: CONFIG_SYS_HIGH,
- vl_vsp: CONFIG_SYS_HIGH,
- vl_dp: CONFIG_SYS_HIGH,
- vl_bpix: LCD_BPP,
- vl_lbw: 0,
- vl_splt: 1,
- vl_clor: 1,
- vl_tft: 0,
- vl_hpw: 1,
- vl_blw: 3,
- vl_elw: 3,
- vl_vpw: 1,
- vl_bfw: 0,
- vl_efw: 0,
-};
-#endif /* CONFIG_SHARP_LM8V31 */
-
-/*----------------------------------------------------------------------*/
-#ifdef CONFIG_HITACHI_SX14
-/* Hitachi SX14Q004-ZZA color STN LCD */
-#define LCD_BPP LCD_COLOR8
-
-/* you have to set lccr0 and lccr3 (including pcd) */
-#define REG_LCCR0 0x00301079
-#define REG_LCCR3 0x0340FF20
-
-vidinfo_t panel_info = {
- vl_col: 320,
- vl_row: 240,
- vl_width: 167,
- vl_height: 109,
- vl_clkp: CONFIG_SYS_HIGH,
- vl_oep: CONFIG_SYS_HIGH,
- vl_hsp: CONFIG_SYS_HIGH,
- vl_vsp: CONFIG_SYS_HIGH,
- vl_dp: CONFIG_SYS_HIGH,
- vl_bpix: LCD_BPP,
- vl_lbw: 1,
- vl_splt: 0,
- vl_clor: 1,
- vl_tft: 0,
- vl_hpw: 1,
- vl_blw: 1,
- vl_elw: 1,
- vl_vpw: 7,
- vl_bfw: 0,
- vl_efw: 0,
-};
-#endif /* CONFIG_HITACHI_SX14 */
-
-/*----------------------------------------------------------------------*/
-
-#if LCD_BPP == LCD_COLOR8
-void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue);
-#endif
-#if LCD_BPP == LCD_MONOCHROME
-void lcd_initcolregs (void);
-#endif
-
-#ifdef NOT_USED_SO_FAR
-void lcd_disable (void);
-void lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue);
-#endif /* NOT_USED_SO_FAR */
-
-void lcd_ctrl_init (void *lcdbase);
-void lcd_enable (void);
-
-int lcd_line_length;
-int lcd_color_fg;
-int lcd_color_bg;
-
-void *lcd_base; /* Start of framebuffer memory */
-void *lcd_console_address; /* Start of console buffer */
-
-short console_col;
-short console_row;
-
-static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid);
-static void pxafb_setup_gpio (vidinfo_t *vid);
-static void pxafb_enable_controller (vidinfo_t *vid);
-static int pxafb_init (vidinfo_t *vid);
-/************************************************************************/
-
-/************************************************************************/
-/* --------------- PXA chipset specific functions ------------------- */
-/************************************************************************/
-
-void lcd_ctrl_init (void *lcdbase)
-{
- pxafb_init_mem(lcdbase, &panel_info);
- pxafb_init(&panel_info);
- pxafb_setup_gpio(&panel_info);
- pxafb_enable_controller(&panel_info);
-}
-
-/*----------------------------------------------------------------------*/
-#ifdef NOT_USED_SO_FAR
-void
-lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
-{
-}
-#endif /* NOT_USED_SO_FAR */
-
-/*----------------------------------------------------------------------*/
-#if LCD_BPP == LCD_COLOR8
-void
-lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
-{
- struct pxafb_info *fbi = &panel_info.pxa;
- unsigned short *palette = (unsigned short *)fbi->palette;
- u_int val;
-
- if (regno < fbi->palette_size) {
- val = ((red << 8) & 0xf800);
- val |= ((green << 4) & 0x07e0);
- val |= (blue & 0x001f);
-
-#ifdef LCD_INVERT_COLORS
- palette[regno] = ~val;
-#else
- palette[regno] = val;
-#endif
- }
-
- debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %04X\n",
- regno, &palette[regno],
- red, green, blue,
- palette[regno]);
-}
-#endif /* LCD_COLOR8 */
-
-/*----------------------------------------------------------------------*/
-#if LCD_BPP == LCD_MONOCHROME
-void lcd_initcolregs (void)
-{
- struct pxafb_info *fbi = &panel_info.pxa;
- cmap = (ushort *)fbi->palette;
- ushort regno;
-
- for (regno = 0; regno < 16; regno++) {
- cmap[regno * 2] = 0;
- cmap[(regno * 2) + 1] = regno & 0x0f;
- }
-}
-#endif /* LCD_MONOCHROME */
-
-/*----------------------------------------------------------------------*/
-void lcd_enable (void)
-{
-}
-
-/*----------------------------------------------------------------------*/
-#ifdef NOT_USED_SO_FAR
-static void lcd_disable (void)
-{
-}
-#endif /* NOT_USED_SO_FAR */
-
-/*----------------------------------------------------------------------*/
-
-/************************************************************************/
-/* ** PXA255 specific routines */
-/************************************************************************/
-
-/*
- * Calculate fb size for VIDEOLFB_ATAG. Size returned contains fb,
- * descriptors and palette areas.
- */
-ulong calc_fbsize (void)
-{
- ulong size;
- int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
-
- size = line_length * panel_info.vl_row;
- size += PAGE_SIZE;
-
- return size;
-}
-
-static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid)
-{
- u_long palette_mem_size;
- struct pxafb_info *fbi = &vid->pxa;
- int fb_size = vid->vl_row * (vid->vl_col * NBITS (vid->vl_bpix)) / 8;
-
- fbi->screen = (u_long)lcdbase;
-
- fbi->palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
- palette_mem_size = fbi->palette_size * sizeof(u16);
-
- debug("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size);
- /* locate palette and descs at end of page following fb */
- fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size;
-
- return 0;
-}
-
-static void pxafb_setup_gpio (vidinfo_t *vid)
-{
- u_long lccr0;
-
- /*
- * setup is based on type of panel supported
- */
-
- lccr0 = vid->pxa.reg_lccr0;
-
- /* 4 bit interface */
- if ((lccr0 & LCCR0_CMS) && (lccr0 & LCCR0_SDS) && !(lccr0 & LCCR0_DPD))
- {
- debug("Setting GPIO for 4 bit data\n");
- /* bits 58-61 */
- GPDR1 |= (0xf << 26);
- GAFR1_U = (GAFR1_U & ~(0xff << 20)) | (0xaa << 20);
-
- /* bits 74-77 */
- GPDR2 |= (0xf << 10);
- GAFR2_L = (GAFR2_L & ~(0xff << 20)) | (0xaa << 20);
- }
-
- /* 8 bit interface */
- else if (((lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_DPD))) ||
- (!(lccr0 & LCCR0_CMS) && !(lccr0 & LCCR0_PAS) && !(lccr0 & LCCR0_SDS)))
- {
- debug("Setting GPIO for 8 bit data\n");
- /* bits 58-65 */
- GPDR1 |= (0x3f << 26);
- GPDR2 |= (0x3);
-
- GAFR1_U = (GAFR1_U & ~(0xfff << 20)) | (0xaaa << 20);
- GAFR2_L = (GAFR2_L & ~0xf) | (0xa);
-
- /* bits 74-77 */
- GPDR2 |= (0xf << 10);
- GAFR2_L = (GAFR2_L & ~(0xff << 20)) | (0xaa << 20);
- }
-
- /* 16 bit interface */
- else if (!(lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_PAS)))
- {
- debug("Setting GPIO for 16 bit data\n");
- /* bits 58-77 */
- GPDR1 |= (0x3f << 26);
- GPDR2 |= 0x00003fff;
-
- GAFR1_U = (GAFR1_U & ~(0xfff << 20)) | (0xaaa << 20);
- GAFR2_L = (GAFR2_L & 0xf0000000) | 0x0aaaaaaa;
- }
- else
- {
- printf("pxafb_setup_gpio: unable to determine bits per pixel\n");
- }
-}
-
-static void pxafb_enable_controller (vidinfo_t *vid)
-{
- debug("Enabling LCD controller\n");
-
- /* Sequence from 11.7.10 */
- LCCR3 = vid->pxa.reg_lccr3;
- LCCR2 = vid->pxa.reg_lccr2;
- LCCR1 = vid->pxa.reg_lccr1;
- LCCR0 = vid->pxa.reg_lccr0 & ~LCCR0_ENB;
- FDADR0 = vid->pxa.fdadr0;
- FDADR1 = vid->pxa.fdadr1;
- LCCR0 |= LCCR0_ENB;
-
- CKEN |= CKEN16_LCD;
-
- debug("FDADR0 = 0x%08x\n", (unsigned int)FDADR0);
- debug("FDADR1 = 0x%08x\n", (unsigned int)FDADR1);
- debug("LCCR0 = 0x%08x\n", (unsigned int)LCCR0);
- debug("LCCR1 = 0x%08x\n", (unsigned int)LCCR1);
- debug("LCCR2 = 0x%08x\n", (unsigned int)LCCR2);
- debug("LCCR3 = 0x%08x\n", (unsigned int)LCCR3);
-}
-
-static int pxafb_init (vidinfo_t *vid)
-{
- struct pxafb_info *fbi = &vid->pxa;
-
- debug("Configuring PXA LCD\n");
-
- fbi->reg_lccr0 = REG_LCCR0;
- fbi->reg_lccr3 = REG_LCCR3;
-
- debug("vid: vl_col=%d hslen=%d lm=%d rm=%d\n",
- vid->vl_col, vid->vl_hpw,
- vid->vl_blw, vid->vl_elw);
- debug("vid: vl_row=%d vslen=%d um=%d bm=%d\n",
- vid->vl_row, vid->vl_vpw,
- vid->vl_bfw, vid->vl_efw);
-
- fbi->reg_lccr1 =
- LCCR1_DisWdth(vid->vl_col) +
- LCCR1_HorSnchWdth(vid->vl_hpw) +
- LCCR1_BegLnDel(vid->vl_blw) +
- LCCR1_EndLnDel(vid->vl_elw);
-
- fbi->reg_lccr2 =
- LCCR2_DisHght(vid->vl_row) +
- LCCR2_VrtSnchWdth(vid->vl_vpw) +
- LCCR2_BegFrmDel(vid->vl_bfw) +
- LCCR2_EndFrmDel(vid->vl_efw);
-
- fbi->reg_lccr3 = REG_LCCR3 & ~(LCCR3_HSP | LCCR3_VSP);
- fbi->reg_lccr3 |= (vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH)
- | (vid->vl_vsp ? LCCR3_VrtSnchL : LCCR3_VrtSnchH);
-
-
- /* setup dma descriptors */
- fbi->dmadesc_fblow = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 3*16);
- fbi->dmadesc_fbhigh = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 2*16);
- fbi->dmadesc_palette = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 1*16);
-
- #define BYTES_PER_PANEL ((fbi->reg_lccr0 & LCCR0_SDS) ? \
- (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8 / 2) : \
- (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8))
-
- /* populate descriptors */
- fbi->dmadesc_fblow->fdadr = (u_long)fbi->dmadesc_fblow;
- fbi->dmadesc_fblow->fsadr = fbi->screen + BYTES_PER_PANEL;
- fbi->dmadesc_fblow->fidr = 0;
- fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL;
-
- fbi->fdadr1 = (u_long)fbi->dmadesc_fblow; /* only used in dual-panel mode */
-
- fbi->dmadesc_fbhigh->fsadr = fbi->screen;
- fbi->dmadesc_fbhigh->fidr = 0;
- fbi->dmadesc_fbhigh->ldcmd = BYTES_PER_PANEL;
-
- fbi->dmadesc_palette->fsadr = fbi->palette;
- fbi->dmadesc_palette->fidr = 0;
- fbi->dmadesc_palette->ldcmd = (fbi->palette_size * 2) | LDCMD_PAL;
-
- if( NBITS(vid->vl_bpix) < 12)
- {
- /* assume any mode with <12 bpp is palette driven */
- fbi->dmadesc_palette->fdadr = (u_long)fbi->dmadesc_fbhigh;
- fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_palette;
- /* flips back and forth between pal and fbhigh */
- fbi->fdadr0 = (u_long)fbi->dmadesc_palette;
- }
- else
- {
- /* palette shouldn't be loaded in true-color mode */
- fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_fbhigh;
- fbi->fdadr0 = (u_long)fbi->dmadesc_fbhigh; /* no pal just fbhigh */
- }
-
- debug("fbi->dmadesc_fblow = 0x%lx\n", (u_long)fbi->dmadesc_fblow);
- debug("fbi->dmadesc_fbhigh = 0x%lx\n", (u_long)fbi->dmadesc_fbhigh);
- debug("fbi->dmadesc_palette = 0x%lx\n", (u_long)fbi->dmadesc_palette);
-
- debug("fbi->dmadesc_fblow->fdadr = 0x%lx\n", fbi->dmadesc_fblow->fdadr);
- debug("fbi->dmadesc_fbhigh->fdadr = 0x%lx\n", fbi->dmadesc_fbhigh->fdadr);
- debug("fbi->dmadesc_palette->fdadr = 0x%lx\n", fbi->dmadesc_palette->fdadr);
-
- debug("fbi->dmadesc_fblow->fsadr = 0x%lx\n", fbi->dmadesc_fblow->fsadr);
- debug("fbi->dmadesc_fbhigh->fsadr = 0x%lx\n", fbi->dmadesc_fbhigh->fsadr);
- debug("fbi->dmadesc_palette->fsadr = 0x%lx\n", fbi->dmadesc_palette->fsadr);
-
- debug("fbi->dmadesc_fblow->ldcmd = 0x%lx\n", fbi->dmadesc_fblow->ldcmd);
- debug("fbi->dmadesc_fbhigh->ldcmd = 0x%lx\n", fbi->dmadesc_fbhigh->ldcmd);
- debug("fbi->dmadesc_palette->ldcmd = 0x%lx\n", fbi->dmadesc_palette->ldcmd);
-
- return 0;
-}
-
-/************************************************************************/
-/************************************************************************/
-
-#endif /* CONFIG_LCD */
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