drivers/video/mb862xx.c - manifest_repos/bootloader - Git at Google

 /*
  * (C) Copyright 2007
  * DENX Software Engineering, Anatolij Gustschin, agust@denx.de
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 /*
  * mb862xx.c - Graphic interface for Fujitsu CoralP/Lime
  * PCI and video mode code was derived from smiLynxEM driver.
  */

 #include <common.h>

 #include <asm/io.h>
 #include <pci.h>
 #include <video_fb.h>
 #include "videomodes.h"
 #include <mb862xx.h>

 #if defined(CONFIG_POST)
 #include <post.h>
 #endif

 /*
  * Graphic Device
  */
 GraphicDevice mb862xx;

 /*
  * 32MB external RAM - 256K Chip MMIO = 0x1FC0000 ;
  */
 #define VIDEO_MEM_SIZE	0x01FC0000

 #if defined(CONFIG_PCI)
 #if defined(CONFIG_VIDEO_CORALP)

 static struct pci_device_id supported[] = {
 	{ PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_P },
 	{ PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_PA },
 	{ }
 };

 /* Internal clock frequency divider table, index is mode number */
 unsigned int fr_div[] = { 0x00000f00, 0x00000900, 0x00000500 };
 #endif
 #endif

 #if defined(CONFIG_VIDEO_CORALP)
 #define	rd_io		in32r
 #define	wr_io		out32r
 #else
 #define	rd_io(addr)	in_be32((volatile unsigned *)(addr))
 #define	wr_io(addr, val)	out_be32((volatile unsigned *)(addr), (val))
 #endif

 #define HOST_RD_REG(off)	rd_io((dev->frameAdrs + GC_HOST_BASE + (off)))
 #define HOST_WR_REG(off, val)	wr_io((dev->frameAdrs + GC_HOST_BASE + (off)), \
 				      (val))
 #define DISP_RD_REG(off)	rd_io((dev->frameAdrs + GC_DISP_BASE + (off)))
 #define DISP_WR_REG(off, val)	wr_io((dev->frameAdrs + GC_DISP_BASE + (off)), \
 				      (val))
 #define DE_RD_REG(off)		rd_io((dev->dprBase + (off)))
 #define DE_WR_REG(off, val)	wr_io((dev->dprBase + (off)), (val))

 #if defined(CONFIG_VIDEO_CORALP)
 #define DE_WR_FIFO(val)		wr_io((dev->dprBase + (GC_GEO_FIFO)), (val))
 #else
 #define DE_WR_FIFO(val)		wr_io((dev->dprBase + (GC_FIFO)), (val))
 #endif

 #define L0PAL_WR_REG(idx, val)	wr_io((dev->frameAdrs + \
 				       (GC_DISP_BASE | GC_L0PAL0) + \
 				       ((idx) << 2)), (val))

 #if defined(CONFIG_VIDEO_MB862xx_ACCEL)
 static void gdc_sw_reset (void)
 {
 	GraphicDevice *dev = &mb862xx;

 	HOST_WR_REG (GC_SRST, 0x1);
 	udelay (500);
 	video_hw_init ();
 }


 static void de_wait (void)
 {
 	GraphicDevice *dev = &mb862xx;
 	int lc = 0x10000;

 	/*
 	 * Sync with software writes to framebuffer,
 	 * try to reset if engine locked
 	 */
 	while (DE_RD_REG (GC_CTR) & 0x00000131)
 		if (lc-- < 0) {
 			gdc_sw_reset ();
 			puts ("gdc reset done after drawing engine lock.\n");
 			break;
 		}
 }

 static void de_wait_slots (int slots)
 {
 	GraphicDevice *dev = &mb862xx;
 	int lc = 0x10000;

 	/* Wait for free fifo slots */
 	while (DE_RD_REG (GC_IFCNT) < slots)
 		if (lc-- < 0) {
 			gdc_sw_reset ();
 			puts ("gdc reset done after drawing engine lock.\n");
 			break;
 		}
 }
 #endif

 #if !defined(CONFIG_VIDEO_CORALP)
 static void board_disp_init (void)
 {
 	GraphicDevice *dev = &mb862xx;
 	const gdc_regs *regs = board_get_regs ();

 	while (regs->index) {
 		DISP_WR_REG (regs->index, regs->value);
 		regs++;
 	}
 }
 #endif

 /*
  * Init drawing engine if accel enabled.
  * Also clears visible framebuffer.
  */
 static void de_init (void)
 {
 	GraphicDevice *dev = &mb862xx;
 #if defined(CONFIG_VIDEO_MB862xx_ACCEL)
 	int cf = (dev->gdfBytesPP == 1) ? 0x0000 : 0x8000;

 	dev->dprBase = dev->frameAdrs + GC_DRAW_BASE;

 	/* Setup mode and fbbase, xres, fg, bg */
 	de_wait_slots (2);
 	DE_WR_FIFO (0xf1010108);
 	DE_WR_FIFO (cf | 0x0300);
 	DE_WR_REG (GC_FBR, 0x0);
 	DE_WR_REG (GC_XRES, dev->winSizeX);
 	DE_WR_REG (GC_FC, 0x0);
 	DE_WR_REG (GC_BC, 0x0);
 	/* Reset clipping */
 	DE_WR_REG (GC_CXMIN, 0x0);
 	DE_WR_REG (GC_CXMAX, dev->winSizeX);
 	DE_WR_REG (GC_CYMIN, 0x0);
 	DE_WR_REG (GC_CYMAX, dev->winSizeY);

 	/* Clear framebuffer using drawing engine */
 	de_wait_slots (3);
 	DE_WR_FIFO (0x09410000);
 	DE_WR_FIFO (0x00000000);
 	DE_WR_FIFO (dev->winSizeY << 16 | dev->winSizeX);
 	/* sync with SW access to framebuffer */
 	de_wait ();
 #else
 	unsigned int i, *p;

 	i = dev->winSizeX * dev->winSizeY;
 	p = (unsigned int *)dev->frameAdrs;
 	while (i--)
 		*p++ = 0;
 #endif
 }

 #if defined(CONFIG_VIDEO_CORALP)
 /* use CCF and MMR parameters for Coral-P Eval. Board as default */
 #ifndef CONFIG_SYS_MB862xx_CCF
 #define CONFIG_SYS_MB862xx_CCF	0x00090000
 #endif
 #ifndef CONFIG_SYS_MB862xx_MMR
 #define CONFIG_SYS_MB862xx_MMR	0x11d7fa13
 #endif

 unsigned int pci_video_init (void)
 {
 	GraphicDevice *dev = &mb862xx;
 	pci_dev_t devbusfn;
 	u16 device;

 	if ((devbusfn = pci_find_devices (supported, 0)) < 0) {
 		puts("controller not present\n");
 		return 0;
 	}

 	/* PCI setup */
 	pci_write_config_dword (devbusfn, PCI_COMMAND,
 				(PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
 	pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &dev->frameAdrs);
 	dev->frameAdrs = pci_mem_to_phys (devbusfn, dev->frameAdrs);

 	if (dev->frameAdrs == 0) {
 		puts ("PCI config: failed to get base address\n");
 		return 0;
 	}

 	dev->pciBase = dev->frameAdrs;

 	puts("Coral-");

 	pci_read_config_word(devbusfn, PCI_DEVICE_ID, &device);
 	switch (device) {
 	case PCI_DEVICE_ID_CORAL_P:
 		puts("P\n");
 		break;
 	case PCI_DEVICE_ID_CORAL_PA:
 		puts("PA\n");
 		break;
 	default:
 		puts("Unknown\n");
 		return 0;
 	}

 	/* Setup clocks and memory mode for Coral-P(A) */
 	HOST_WR_REG(GC_CCF, CONFIG_SYS_MB862xx_CCF);
 	udelay (200);
 	HOST_WR_REG(GC_MMR, CONFIG_SYS_MB862xx_MMR);
 	udelay (100);
 	return dev->frameAdrs;
 }

 unsigned int card_init (void)
 {
 	GraphicDevice *dev = &mb862xx;
 	unsigned int cf, videomode, div = 0;
 	unsigned long t1, hsync, vsync;
 	char *penv;
 	int tmp, i, bpp;
 	struct ctfb_res_modes *res_mode;
 	struct ctfb_res_modes var_mode;

 	memset (dev, 0, sizeof (GraphicDevice));

 	if (!pci_video_init ())
 		return 0;

 	tmp = 0;
 	videomode = 0x310;
 	/* get video mode via environment */
 	if ((penv = getenv ("videomode")) != NULL) {
 		/* decide if it is a string */
 		if (penv[0] <= '9') {
 			videomode = (int) simple_strtoul (penv, NULL, 16);
 			tmp = 1;
 		}
 	} else {
 		tmp = 1;
 	}

 	if (tmp) {
 		/* parameter are vesa modes, search params */
 		for (i = 0; i < VESA_MODES_COUNT; i++) {
 			if (vesa_modes[i].vesanr == videomode)
 				break;
 		}
 		if (i == VESA_MODES_COUNT) {
 			printf ("\tno VESA Mode found, fallback to mode 0x%x\n",
 				videomode);
 			i = 0;
 		}
 		res_mode = (struct ctfb_res_modes *)
 			   &res_mode_init[vesa_modes[i].resindex];
 		if (vesa_modes[i].resindex > 2) {
 			puts ("\tUnsupported resolution, using default\n");
 			bpp = vesa_modes[1].bits_per_pixel;
 			div = fr_div[1];
 		}
 		bpp = vesa_modes[i].bits_per_pixel;
 		div = fr_div[vesa_modes[i].resindex];
 	} else {
 		res_mode = (struct ctfb_res_modes *) &var_mode;
 		bpp = video_get_params (res_mode, penv);
 	}

 	/* calculate hsync and vsync freq (info only) */
 	t1 = (res_mode->left_margin + res_mode->xres +
 	      res_mode->right_margin + res_mode->hsync_len) / 8;
 	t1 *= 8;
 	t1 *= res_mode->pixclock;
 	t1 /= 1000;
 	hsync = 1000000000L / t1;
 	t1 *= (res_mode->upper_margin + res_mode->yres +
 	       res_mode->lower_margin + res_mode->vsync_len);
 	t1 /= 1000;
 	vsync = 1000000000L / t1;

 	/* fill in Graphic device struct */
 	sprintf (dev->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
 		 res_mode->yres, bpp, (hsync / 1000), (vsync / 1000));
 	printf ("\t%s\n", dev->modeIdent);
 	dev->winSizeX = res_mode->xres;
 	dev->winSizeY = res_mode->yres;
 	dev->memSize = VIDEO_MEM_SIZE;

 	switch (bpp) {
 	case 8:
 		dev->gdfIndex = GDF__8BIT_INDEX;
 		dev->gdfBytesPP = 1;
 		break;
 	case 15:
 	case 16:
 		dev->gdfIndex = GDF_15BIT_555RGB;
 		dev->gdfBytesPP = 2;
 		break;
 	default:
 		printf ("\t%d bpp configured, but only 8,15 and 16 supported\n",
 			bpp);
 		puts ("\tfallback to 15bpp\n");
 		dev->gdfIndex = GDF_15BIT_555RGB;
 		dev->gdfBytesPP = 2;
 	}

 	/* Setup dot clock (internal pll, division rate) */
 	DISP_WR_REG (GC_DCM1, div);
 	/* L0 init */
 	cf = (dev->gdfBytesPP == 1) ? 0x00000000 : 0x80000000;
 	DISP_WR_REG (GC_L0M, ((dev->winSizeX * dev->gdfBytesPP) / 64) << 16 |
 			     (dev->winSizeY - 1) | cf);
 	DISP_WR_REG (GC_L0OA0, 0x0);
 	DISP_WR_REG (GC_L0DA0, 0x0);
 	DISP_WR_REG (GC_L0DY_L0DX, 0x0);
 	DISP_WR_REG (GC_L0EM, 0x0);
 	DISP_WR_REG (GC_L0WY_L0WX, 0x0);
 	DISP_WR_REG (GC_L0WH_L0WW, (dev->winSizeY - 1) << 16 | dev->winSizeX);

 	/* Display timing init */
 	DISP_WR_REG (GC_HTP_A, (dev->winSizeX +
 				res_mode->left_margin +
 				res_mode->right_margin +
 				res_mode->hsync_len - 1) << 16);
 	DISP_WR_REG (GC_HDB_HDP_A, (dev->winSizeX - 1) << 16 |
 				   (dev->winSizeX - 1));
 	DISP_WR_REG (GC_VSW_HSW_HSP_A,  (res_mode->vsync_len - 1) << 24 |
 					(res_mode->hsync_len - 1) << 16 |
 					(dev->winSizeX +
 					 res_mode->right_margin - 1));
 	DISP_WR_REG (GC_VTR_A, (dev->winSizeY + res_mode->lower_margin +
 				res_mode->upper_margin +
 				res_mode->vsync_len - 1) << 16);
 	DISP_WR_REG (GC_VDP_VSP_A, (dev->winSizeY-1) << 16 |
 				   (dev->winSizeY +
 				    res_mode->lower_margin - 1));
 	DISP_WR_REG (GC_WY_WX, 0x0);
 	DISP_WR_REG (GC_WH_WW, dev->winSizeY << 16 | dev->winSizeX);
 	/* Display enable, L0 layer */
 	DISP_WR_REG (GC_DCM1, 0x80010000 | div);

 	return dev->frameAdrs;
 }
 #endif


 #if !defined(CONFIG_VIDEO_CORALP)
 int mb862xx_probe(unsigned int addr)
 {
 	GraphicDevice *dev = &mb862xx;
 	unsigned int reg;

 	dev->frameAdrs = addr;
 	dev->dprBase = dev->frameAdrs + GC_DRAW_BASE;

 	/* Try to access GDC ID/Revision registers */
 	reg = HOST_RD_REG (GC_CID);
 	reg = HOST_RD_REG (GC_CID);
 	if (reg == 0x303) {
 		reg = DE_RD_REG(GC_REV);
 		reg = DE_RD_REG(GC_REV);
 		if ((reg & ~0xff) == 0x20050100)
 			return MB862XX_TYPE_LIME;
 	}

 	return 0;
 }
 #endif

 void *video_hw_init (void)
 {
 	GraphicDevice *dev = &mb862xx;

 	puts ("Video: Fujitsu ");

 	memset (dev, 0, sizeof (GraphicDevice));

 #if defined(CONFIG_VIDEO_CORALP)
 	if (card_init () == 0)
 		return NULL;
 #else
 	/*
 	 * Preliminary init of the onboard graphic controller,
 	 * retrieve base address
 	 */
 	if ((dev->frameAdrs = board_video_init ()) == 0) {
 		puts ("Controller not found!\n");
 		return NULL;
 	} else {
 		puts ("Lime\n");

 		/* Set Change of Clock Frequency Register */
 		HOST_WR_REG (GC_CCF, CONFIG_SYS_MB862xx_CCF);
 		/* Delay required */
 		udelay(300);
 		/* Set Memory I/F Mode Register) */
 		HOST_WR_REG (GC_MMR, CONFIG_SYS_MB862xx_MMR);
 	}
 #endif

 	de_init ();

 #if !defined(CONFIG_VIDEO_CORALP)
 	board_disp_init ();
 #endif

 #if (defined(CONFIG_LWMON5) || \
      defined(CONFIG_SOCRATES)) && !(CONFIG_POST & CONFIG_SYS_POST_SYSMON)
 	/* Lamp on */
 	board_backlight_switch (1);
 #endif

 	return dev;
 }

 /*
  * Set a RGB color in the LUT
  */
 void video_set_lut (unsigned int index, unsigned char r,
 		    unsigned char g, unsigned char b)
 {
 	GraphicDevice *dev = &mb862xx;

 	L0PAL_WR_REG (index, (r << 16) | (g << 8) | (b));
 }

 #if defined(CONFIG_VIDEO_MB862xx_ACCEL)
 /*
  * Drawing engine Fill and BitBlt screen region
  */
 void video_hw_rectfill (unsigned int bpp, unsigned int dst_x,
 			unsigned int dst_y, unsigned int dim_x,
 			unsigned int dim_y, unsigned int color)
 {
 	GraphicDevice *dev = &mb862xx;

 	de_wait_slots (3);
 	DE_WR_REG (GC_FC, color);
 	DE_WR_FIFO (0x09410000);
 	DE_WR_FIFO ((dst_y << 16) | dst_x);
 	DE_WR_FIFO ((dim_y << 16) | dim_x);
 	de_wait ();
 }

 void video_hw_bitblt (unsigned int bpp, unsigned int src_x,
 		      unsigned int src_y, unsigned int dst_x,
 		      unsigned int dst_y, unsigned int width,
 		      unsigned int height)
 {
 	GraphicDevice *dev = &mb862xx;
 	unsigned int ctrl = 0x0d000000L;

 	if (src_x >= dst_x && src_y >= dst_y)
 		ctrl |= 0x00440000L;
 	else if (src_x >= dst_x && src_y <= dst_y)
 		ctrl |= 0x00460000L;
 	else if (src_x <= dst_x && src_y >= dst_y)
 		ctrl |= 0x00450000L;
 	else
 		ctrl |= 0x00470000L;

 	de_wait_slots (4);
 	DE_WR_FIFO (ctrl);
 	DE_WR_FIFO ((src_y << 16) | src_x);
 	DE_WR_FIFO ((dst_y << 16) | dst_x);
 	DE_WR_FIFO ((height << 16) | width);
 	de_wait (); /* sync */
 }
 #endif
	/*
	* (C) Copyright 2007
	* DENX Software Engineering, Anatolij Gustschin, agust@denx.de
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	/*
	* mb862xx.c - Graphic interface for Fujitsu CoralP/Lime
	* PCI and video mode code was derived from smiLynxEM driver.
	*/

	#include <common.h>

	#include <asm/io.h>
	#include <pci.h>
	#include <video_fb.h>
	#include "videomodes.h"
	#include <mb862xx.h>

	#if defined(CONFIG_POST)
	#include <post.h>
	#endif

	/*
	* Graphic Device
	*/
	GraphicDevice mb862xx;

	/*
	* 32MB external RAM - 256K Chip MMIO = 0x1FC0000 ;
	*/
	#define VIDEO_MEM_SIZE 0x01FC0000

	#if defined(CONFIG_PCI)
	#if defined(CONFIG_VIDEO_CORALP)

	static struct pci_device_id supported[] = {
	{ PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_P },
	{ PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_PA },
	{ }
	};

	/* Internal clock frequency divider table, index is mode number */
	unsigned int fr_div[] = { 0x00000f00, 0x00000900, 0x00000500 };
	#endif
	#endif

	#if defined(CONFIG_VIDEO_CORALP)
	#define rd_io in32r
	#define wr_io out32r
	#else
	#define rd_io(addr) in_be32((volatile unsigned *)(addr))
	#define wr_io(addr, val) out_be32((volatile unsigned *)(addr), (val))
	#endif

	#define HOST_RD_REG(off) rd_io((dev->frameAdrs + GC_HOST_BASE + (off)))
	#define HOST_WR_REG(off, val) wr_io((dev->frameAdrs + GC_HOST_BASE + (off)), \
	(val))
	#define DISP_RD_REG(off) rd_io((dev->frameAdrs + GC_DISP_BASE + (off)))
	#define DISP_WR_REG(off, val) wr_io((dev->frameAdrs + GC_DISP_BASE + (off)), \
	(val))
	#define DE_RD_REG(off) rd_io((dev->dprBase + (off)))
	#define DE_WR_REG(off, val) wr_io((dev->dprBase + (off)), (val))

	#if defined(CONFIG_VIDEO_CORALP)
	#define DE_WR_FIFO(val) wr_io((dev->dprBase + (GC_GEO_FIFO)), (val))
	#else
	#define DE_WR_FIFO(val) wr_io((dev->dprBase + (GC_FIFO)), (val))
	#endif

	#define L0PAL_WR_REG(idx, val) wr_io((dev->frameAdrs + \
	(GC_DISP_BASE \| GC_L0PAL0) + \
	((idx) << 2)), (val))

	#if defined(CONFIG_VIDEO_MB862xx_ACCEL)
	static void gdc_sw_reset (void)
	{
	GraphicDevice *dev = &mb862xx;

	HOST_WR_REG (GC_SRST, 0x1);
	udelay (500);
	video_hw_init ();
	}


	static void de_wait (void)
	{
	GraphicDevice *dev = &mb862xx;
	int lc = 0x10000;

	/*
	* Sync with software writes to framebuffer,
	* try to reset if engine locked
	*/
	while (DE_RD_REG (GC_CTR) & 0x00000131)
	if (lc-- < 0) {
	gdc_sw_reset ();
	puts ("gdc reset done after drawing engine lock.\n");
	break;
	}
	}

	static void de_wait_slots (int slots)
	{
	GraphicDevice *dev = &mb862xx;
	int lc = 0x10000;

	/* Wait for free fifo slots */
	while (DE_RD_REG (GC_IFCNT) < slots)
	if (lc-- < 0) {
	gdc_sw_reset ();
	puts ("gdc reset done after drawing engine lock.\n");
	break;
	}
	}
	#endif

	#if !defined(CONFIG_VIDEO_CORALP)
	static void board_disp_init (void)
	{
	GraphicDevice *dev = &mb862xx;
	const gdc_regs *regs = board_get_regs ();

	while (regs->index) {
	DISP_WR_REG (regs->index, regs->value);
	regs++;
	}
	}
	#endif

	/*
	* Init drawing engine if accel enabled.
	* Also clears visible framebuffer.
	*/
	static void de_init (void)
	{
	GraphicDevice *dev = &mb862xx;
	#if defined(CONFIG_VIDEO_MB862xx_ACCEL)
	int cf = (dev->gdfBytesPP == 1) ? 0x0000 : 0x8000;

	dev->dprBase = dev->frameAdrs + GC_DRAW_BASE;

	/* Setup mode and fbbase, xres, fg, bg */
	de_wait_slots (2);
	DE_WR_FIFO (0xf1010108);
	DE_WR_FIFO (cf \| 0x0300);
	DE_WR_REG (GC_FBR, 0x0);
	DE_WR_REG (GC_XRES, dev->winSizeX);
	DE_WR_REG (GC_FC, 0x0);
	DE_WR_REG (GC_BC, 0x0);
	/* Reset clipping */
	DE_WR_REG (GC_CXMIN, 0x0);
	DE_WR_REG (GC_CXMAX, dev->winSizeX);
	DE_WR_REG (GC_CYMIN, 0x0);
	DE_WR_REG (GC_CYMAX, dev->winSizeY);

	/* Clear framebuffer using drawing engine */
	de_wait_slots (3);
	DE_WR_FIFO (0x09410000);
	DE_WR_FIFO (0x00000000);
	DE_WR_FIFO (dev->winSizeY << 16 \| dev->winSizeX);
	/* sync with SW access to framebuffer */
	de_wait ();
	#else
	unsigned int i, *p;

	i = dev->winSizeX * dev->winSizeY;
	p = (unsigned int *)dev->frameAdrs;
	while (i--)
	*p++ = 0;
	#endif
	}

	#if defined(CONFIG_VIDEO_CORALP)
	/* use CCF and MMR parameters for Coral-P Eval. Board as default */
	#ifndef CONFIG_SYS_MB862xx_CCF
	#define CONFIG_SYS_MB862xx_CCF 0x00090000
	#endif
	#ifndef CONFIG_SYS_MB862xx_MMR
	#define CONFIG_SYS_MB862xx_MMR 0x11d7fa13
	#endif

	unsigned int pci_video_init (void)
	{
	GraphicDevice *dev = &mb862xx;
	pci_dev_t devbusfn;
	u16 device;

	if ((devbusfn = pci_find_devices (supported, 0)) < 0) {
	puts("controller not present\n");
	return 0;
	}

	/* PCI setup */
	pci_write_config_dword (devbusfn, PCI_COMMAND,
	(PCI_COMMAND_MEMORY \| PCI_COMMAND_IO));
	pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &dev->frameAdrs);
	dev->frameAdrs = pci_mem_to_phys (devbusfn, dev->frameAdrs);

	if (dev->frameAdrs == 0) {
	puts ("PCI config: failed to get base address\n");
	return 0;
	}

	dev->pciBase = dev->frameAdrs;

	puts("Coral-");

	pci_read_config_word(devbusfn, PCI_DEVICE_ID, &device);
	switch (device) {
	case PCI_DEVICE_ID_CORAL_P:
	puts("P\n");
	break;
	case PCI_DEVICE_ID_CORAL_PA:
	puts("PA\n");
	break;
	default:
	puts("Unknown\n");
	return 0;
	}

	/* Setup clocks and memory mode for Coral-P(A) */
	HOST_WR_REG(GC_CCF, CONFIG_SYS_MB862xx_CCF);
	udelay (200);
	HOST_WR_REG(GC_MMR, CONFIG_SYS_MB862xx_MMR);
	udelay (100);
	return dev->frameAdrs;
	}

	unsigned int card_init (void)
	{
	GraphicDevice *dev = &mb862xx;
	unsigned int cf, videomode, div = 0;
	unsigned long t1, hsync, vsync;
	char *penv;
	int tmp, i, bpp;
	struct ctfb_res_modes *res_mode;
	struct ctfb_res_modes var_mode;

	memset (dev, 0, sizeof (GraphicDevice));

	if (!pci_video_init ())
	return 0;

	tmp = 0;
	videomode = 0x310;
	/* get video mode via environment */
	if ((penv = getenv ("videomode")) != NULL) {
	/* decide if it is a string */
	if (penv[0] <= '9') {
	videomode = (int) simple_strtoul (penv, NULL, 16);
	tmp = 1;
	}
	} else {
	tmp = 1;
	}

	if (tmp) {
	/* parameter are vesa modes, search params */
	for (i = 0; i < VESA_MODES_COUNT; i++) {
	if (vesa_modes[i].vesanr == videomode)
	break;
	}
	if (i == VESA_MODES_COUNT) {
	printf ("\tno VESA Mode found, fallback to mode 0x%x\n",
	videomode);
	i = 0;
	}
	res_mode = (struct ctfb_res_modes *)
	&res_mode_init[vesa_modes[i].resindex];
	if (vesa_modes[i].resindex > 2) {
	puts ("\tUnsupported resolution, using default\n");
	bpp = vesa_modes[1].bits_per_pixel;
	div = fr_div[1];
	}
	bpp = vesa_modes[i].bits_per_pixel;
	div = fr_div[vesa_modes[i].resindex];
	} else {
	res_mode = (struct ctfb_res_modes *) &var_mode;
	bpp = video_get_params (res_mode, penv);
	}

	/* calculate hsync and vsync freq (info only) */
	t1 = (res_mode->left_margin + res_mode->xres +
	res_mode->right_margin + res_mode->hsync_len) / 8;
	t1 *= 8;
	t1 *= res_mode->pixclock;
	t1 /= 1000;
	hsync = 1000000000L / t1;
	t1 *= (res_mode->upper_margin + res_mode->yres +
	res_mode->lower_margin + res_mode->vsync_len);
	t1 /= 1000;
	vsync = 1000000000L / t1;

	/* fill in Graphic device struct */
	sprintf (dev->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
	res_mode->yres, bpp, (hsync / 1000), (vsync / 1000));
	printf ("\t%s\n", dev->modeIdent);
	dev->winSizeX = res_mode->xres;
	dev->winSizeY = res_mode->yres;
	dev->memSize = VIDEO_MEM_SIZE;

	switch (bpp) {
	case 8:
	dev->gdfIndex = GDF__8BIT_INDEX;
	dev->gdfBytesPP = 1;
	break;
	case 15:
	case 16:
	dev->gdfIndex = GDF_15BIT_555RGB;
	dev->gdfBytesPP = 2;
	break;
	default:
	printf ("\t%d bpp configured, but only 8,15 and 16 supported\n",
	bpp);
	puts ("\tfallback to 15bpp\n");
	dev->gdfIndex = GDF_15BIT_555RGB;
	dev->gdfBytesPP = 2;
	}

	/* Setup dot clock (internal pll, division rate) */
	DISP_WR_REG (GC_DCM1, div);
	/* L0 init */
	cf = (dev->gdfBytesPP == 1) ? 0x00000000 : 0x80000000;
	DISP_WR_REG (GC_L0M, ((dev->winSizeX * dev->gdfBytesPP) / 64) << 16 \|
	(dev->winSizeY - 1) \| cf);
	DISP_WR_REG (GC_L0OA0, 0x0);
	DISP_WR_REG (GC_L0DA0, 0x0);
	DISP_WR_REG (GC_L0DY_L0DX, 0x0);
	DISP_WR_REG (GC_L0EM, 0x0);
	DISP_WR_REG (GC_L0WY_L0WX, 0x0);
	DISP_WR_REG (GC_L0WH_L0WW, (dev->winSizeY - 1) << 16 \| dev->winSizeX);

	/* Display timing init */
	DISP_WR_REG (GC_HTP_A, (dev->winSizeX +
	res_mode->left_margin +
	res_mode->right_margin +
	res_mode->hsync_len - 1) << 16);
	DISP_WR_REG (GC_HDB_HDP_A, (dev->winSizeX - 1) << 16 \|
	(dev->winSizeX - 1));
	DISP_WR_REG (GC_VSW_HSW_HSP_A, (res_mode->vsync_len - 1) << 24 \|
	(res_mode->hsync_len - 1) << 16 \|
	(dev->winSizeX +
	res_mode->right_margin - 1));
	DISP_WR_REG (GC_VTR_A, (dev->winSizeY + res_mode->lower_margin +
	res_mode->upper_margin +
	res_mode->vsync_len - 1) << 16);
	DISP_WR_REG (GC_VDP_VSP_A, (dev->winSizeY-1) << 16 \|
	(dev->winSizeY +
	res_mode->lower_margin - 1));
	DISP_WR_REG (GC_WY_WX, 0x0);
	DISP_WR_REG (GC_WH_WW, dev->winSizeY << 16 \| dev->winSizeX);
	/* Display enable, L0 layer */
	DISP_WR_REG (GC_DCM1, 0x80010000 \| div);

	return dev->frameAdrs;
	}
	#endif


	#if !defined(CONFIG_VIDEO_CORALP)
	int mb862xx_probe(unsigned int addr)
	{
	GraphicDevice *dev = &mb862xx;
	unsigned int reg;

	dev->frameAdrs = addr;
	dev->dprBase = dev->frameAdrs + GC_DRAW_BASE;

	/* Try to access GDC ID/Revision registers */
	reg = HOST_RD_REG (GC_CID);
	reg = HOST_RD_REG (GC_CID);
	if (reg == 0x303) {
	reg = DE_RD_REG(GC_REV);
	reg = DE_RD_REG(GC_REV);
	if ((reg & ~0xff) == 0x20050100)
	return MB862XX_TYPE_LIME;
	}

	return 0;
	}
	#endif

	void *video_hw_init (void)
	{
	GraphicDevice *dev = &mb862xx;

	puts ("Video: Fujitsu ");

	memset (dev, 0, sizeof (GraphicDevice));

	#if defined(CONFIG_VIDEO_CORALP)
	if (card_init () == 0)
	return NULL;
	#else
	/*
	* Preliminary init of the onboard graphic controller,
	* retrieve base address
	*/
	if ((dev->frameAdrs = board_video_init ()) == 0) {
	puts ("Controller not found!\n");
	return NULL;
	} else {
	puts ("Lime\n");

	/* Set Change of Clock Frequency Register */
	HOST_WR_REG (GC_CCF, CONFIG_SYS_MB862xx_CCF);
	/* Delay required */
	udelay(300);
	/* Set Memory I/F Mode Register) */
	HOST_WR_REG (GC_MMR, CONFIG_SYS_MB862xx_MMR);
	}
	#endif

	de_init ();

	#if !defined(CONFIG_VIDEO_CORALP)
	board_disp_init ();
	#endif

	#if (defined(CONFIG_LWMON5) \|\| \
	defined(CONFIG_SOCRATES)) && !(CONFIG_POST & CONFIG_SYS_POST_SYSMON)
	/* Lamp on */
	board_backlight_switch (1);
	#endif

	return dev;
	}

	/*
	* Set a RGB color in the LUT
	*/
	void video_set_lut (unsigned int index, unsigned char r,
	unsigned char g, unsigned char b)
	{
	GraphicDevice *dev = &mb862xx;

	L0PAL_WR_REG (index, (r << 16) \| (g << 8) \| (b));
	}

	#if defined(CONFIG_VIDEO_MB862xx_ACCEL)
	/*
	* Drawing engine Fill and BitBlt screen region
	*/
	void video_hw_rectfill (unsigned int bpp, unsigned int dst_x,
	unsigned int dst_y, unsigned int dim_x,
	unsigned int dim_y, unsigned int color)
	{
	GraphicDevice *dev = &mb862xx;

	de_wait_slots (3);
	DE_WR_REG (GC_FC, color);
	DE_WR_FIFO (0x09410000);
	DE_WR_FIFO ((dst_y << 16) \| dst_x);
	DE_WR_FIFO ((dim_y << 16) \| dim_x);
	de_wait ();
	}

	void video_hw_bitblt (unsigned int bpp, unsigned int src_x,
	unsigned int src_y, unsigned int dst_x,
	unsigned int dst_y, unsigned int width,
	unsigned int height)
	{
	GraphicDevice *dev = &mb862xx;
	unsigned int ctrl = 0x0d000000L;

	if (src_x >= dst_x && src_y >= dst_y)
	ctrl \|= 0x00440000L;
	else if (src_x >= dst_x && src_y <= dst_y)
	ctrl \|= 0x00460000L;
	else if (src_x <= dst_x && src_y >= dst_y)
	ctrl \|= 0x00450000L;
	else
	ctrl \|= 0x00470000L;

	de_wait_slots (4);
	DE_WR_FIFO (ctrl);
	DE_WR_FIFO ((src_y << 16) \| src_x);
	DE_WR_FIFO ((dst_y << 16) \| dst_x);
	DE_WR_FIFO ((height << 16) \| width);
	de_wait (); /* sync */
	}
	#endif