* Fix CONFIG_NET_MULTI support in include/net.h

* Patches by Kyle Harris, 13 Mar 2003:
  - Add FAT partition support
  - Add command support for FAT
  - Add command support for MMC
  ----
  - Add Intel PXA support for video
  - Add Intel PXA support for MMC
  ----
  - Enable MMC and FAT for lubbock board
  - Other misc changes for lubbock board

4 files changed, 1592 insertions, 1 deletions

diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile
index 778a6646f..1af53d6ad 100644
--- a/cpu/pxa/Makefile
+++ b/cpu/pxa/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB	= lib$(CPU).a
 
 START	= start.o
-OBJS	= serial.o interrupts.o cpu.o i2c.o
+OBJS	= serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o
 
 all:	.depend $(START) $(LIB)
 
diff --git a/cpu/pxa/cpu.c b/cpu/pxa/cpu.c
index 6a3c24ded..cc9b3ff40 100644
--- a/cpu/pxa/cpu.c
+++ b/cpu/pxa/cpu.c
@@ -32,6 +32,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <asm/arch/pxa-regs.h>
 
 int cpu_init (void)
 {
@@ -150,3 +151,21 @@ int dcache_status (void)
 {
 	return 0;					/* always off */
 }
+
+void set_GPIO_mode(int gpio_mode)
+{
+	int gpio = gpio_mode & GPIO_MD_MASK_NR;
+	int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
+	int gafr;
+
+	if (gpio_mode & GPIO_MD_MASK_DIR)
+	{
+		GPDR(gpio) |= GPIO_bit(gpio);
+	}
+	else
+	{
+		GPDR(gpio) &= ~GPIO_bit(gpio);
+	}
+	gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
+	GAFR(gpio) = gafr |  (fn  << (((gpio) & 0xf)*2));
+}
diff --git a/cpu/pxa/mmc.c b/cpu/pxa/mmc.c
new file mode 100644
index 000000000..783e90c64
--- /dev/null
+++ b/cpu/pxa/mmc.c
@@ -0,0 +1,483 @@
+/*
+ * (C) Copyright 2003
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * 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
+ */
+
+#include <config.h>
+#include <common.h>
+#include <mmc.h>
+#include <asm/errno.h>
+#include <asm/arch/hardware.h>
+
+#ifdef CONFIG_MMC
+
+extern int
+fat_register_read(int(*block_read)(int device, ulong blknr, ulong blkcnt, uchar *buffer));
+
+/* 
+ * FIXME needs to read cid and csd info to determine block size
+ * and other parameters
+ */
+static uchar mmc_buf[MMC_BLOCK_SIZE];
+static mmc_csd_t mmc_csd;
+static int mmc_ready = 0;
+
+
+static uchar * 
+/****************************************************/
+mmc_cmd(ushort cmd, ushort argh, ushort argl, ushort cmdat)
+/****************************************************/
+{
+	static uchar resp[20];
+	ulong status;
+	int words, i;
+
+	debug("mmc_cmd %x %x %x %x\n", cmd, argh, argl, cmdat);
+	MMC_STRPCL = MMC_STRPCL_STOP_CLK;
+	MMC_I_MASK = ~MMC_I_MASK_CLK_IS_OFF;
+	while (!(MMC_I_REG & MMC_I_REG_CLK_IS_OFF));
+	MMC_CMD    = cmd; 
+	MMC_ARGH   = argh;
+	MMC_ARGL   = argl;
+	MMC_CMDAT  = cmdat;
+	MMC_I_MASK = ~MMC_I_MASK_END_CMD_RES;
+	MMC_STRPCL = MMC_STRPCL_START_CLK;
+	while (!(MMC_I_REG & MMC_I_REG_END_CMD_RES));
+
+	status = MMC_STAT;
+	debug("MMC status %x\n", status);
+	if (status & MMC_STAT_TIME_OUT_RESPONSE)
+	{
+		return 0;
+	}
+
+	switch (cmdat & 0x3)
+	{
+		case MMC_CMDAT_R1:
+		case MMC_CMDAT_R3:
+			words = 3; 
+			break;
+
+		case MMC_CMDAT_R2:
+			words = 8; 
+			break;
+
+		default:
+			return 0;
+	}
+	for (i = words-1; i >= 0; i--)
+	{
+		ulong res_fifo = MMC_RES;
+		int offset = i << 1;
+
+		resp[offset] = ((uchar *)&res_fifo)[0];
+		resp[offset+1] = ((uchar *)&res_fifo)[1];
+	}
+#ifdef MMC_DEBUG
+	for (i=0; i<words*2; i += 2)
+	{
+		printf("MMC resp[%d] = %02x\n", i, resp[i]);
+		printf("MMC resp[%d] = %02x\n", i+1, resp[i+1]);
+	}
+#endif
+	return resp;
+}
+
+int
+/****************************************************/
+mmc_block_read(uchar *dst, ulong src, ulong len)
+/****************************************************/
+{
+	uchar *resp;
+	ushort argh, argl;
+	ulong status;
+
+	if (len == 0)
+	{
+		return 0;
+	}
+
+	debug("mmc_block_rd dst %lx src %lx len %d\n", (ulong)dst, src, len);
+
+	argh = len >> 16;
+	argl = len & 0xffff;
+
+	/* set block len */
+	resp = mmc_cmd(MMC_CMD_SET_BLOCKLEN, argh, argl, MMC_CMDAT_R1);
+
+	/* send read command */
+	argh = src >> 16;
+	argl = src & 0xffff;
+	MMC_STRPCL = MMC_STRPCL_STOP_CLK;
+	MMC_RDTO = 0xffff;
+	MMC_NOB = 1;
+	MMC_BLKLEN = len;
+	resp = mmc_cmd(MMC_CMD_READ_BLOCK, argh, argl, 
+			MMC_CMDAT_R1|MMC_CMDAT_READ|MMC_CMDAT_BLOCK|MMC_CMDAT_DATA_EN);
+
+	
+	MMC_I_MASK = ~MMC_I_MASK_RXFIFO_RD_REQ;
+	while (len)
+	{
+		if (MMC_I_REG & MMC_I_REG_RXFIFO_RD_REQ)
+		{
+			*dst++ = MMC_RXFIFO;
+			len--;
+		}
+		status = MMC_STAT;
+		if (status & MMC_STAT_ERRORS)
+		{
+			printf("MMC_STAT error %lx\n", status);
+			return -1;
+		}
+	}
+	MMC_I_MASK = ~MMC_I_MASK_DATA_TRAN_DONE;
+	while (!(MMC_I_REG & MMC_I_REG_DATA_TRAN_DONE));
+	status = MMC_STAT;
+	if (status & MMC_STAT_ERRORS)
+	{
+		printf("MMC_STAT error %lx\n", status);
+		return -1;
+	}
+	return 0;
+}
+
+int
+/****************************************************/
+mmc_block_write(ulong dst, uchar *src, int len)
+/****************************************************/
+{
+	uchar *resp;
+	ushort argh, argl;
+	ulong status;
+
+	if (len == 0)
+	{
+		return 0;
+	}
+
+	debug("mmc_block_wr dst %lx src %lx len %d\n", dst, (ulong)src, len);
+
+	argh = len >> 16;
+	argl = len & 0xffff;
+
+	/* set block len */
+	resp = mmc_cmd(MMC_CMD_SET_BLOCKLEN, argh, argl, MMC_CMDAT_R1);
+
+	/* send write command */
+	argh = dst >> 16;
+	argl = dst & 0xffff;
+	MMC_STRPCL = MMC_STRPCL_STOP_CLK;
+	MMC_NOB = 1;
+	MMC_BLKLEN = len;
+	resp = mmc_cmd(MMC_CMD_WRITE_BLOCK, argh, argl, 
+			MMC_CMDAT_R1|MMC_CMDAT_WRITE|MMC_CMDAT_BLOCK|MMC_CMDAT_DATA_EN);
+	
+	MMC_I_MASK = ~MMC_I_MASK_TXFIFO_WR_REQ;
+	while (len)
+	{
+		if (MMC_I_REG & MMC_I_REG_TXFIFO_WR_REQ)
+		{
+			int i, bytes = min(32,len);
+
+			for (i=0; i<bytes; i++)
+			{
+				MMC_TXFIFO = *src++;
+			}
+			if (bytes < 32)
+			{
+				MMC_PRTBUF = MMC_PRTBUF_BUF_PART_FULL;
+			}
+			len -= bytes;
+		}
+		status = MMC_STAT;
+		if (status & MMC_STAT_ERRORS)
+		{
+			printf("MMC_STAT error %lx\n", status);
+			return -1;
+		}
+	}
+	MMC_I_MASK = ~MMC_I_MASK_DATA_TRAN_DONE;
+	while (!(MMC_I_REG & MMC_I_REG_DATA_TRAN_DONE));
+	MMC_I_MASK = ~MMC_I_MASK_PRG_DONE;
+	while (!(MMC_I_REG & MMC_I_REG_PRG_DONE));
+	status = MMC_STAT;
+	if (status & MMC_STAT_ERRORS)
+	{
+		printf("MMC_STAT error %lx\n", status);
+		return -1;
+	}
+	return 0;
+}
+
+
+int
+/****************************************************/
+mmc_read(ulong src, uchar *dst, int size)
+/****************************************************/
+{
+	ulong end, part_start, part_end, part_len, aligned_start, aligned_end;
+	ulong mmc_block_size, mmc_block_address;
+
+	if (size == 0)
+	{
+		return 0;
+	}
+
+	if (!mmc_ready)
+	{
+		printf("Please initial the MMC first\n");
+		return -1;
+	}
+
+	mmc_block_size = MMC_BLOCK_SIZE;
+	mmc_block_address = ~(mmc_block_size - 1);
+
+	src -= CFG_MMC_BASE;
+	end = src + size;
+	part_start = ~mmc_block_address & src;
+	part_end = ~mmc_block_address & end;
+	aligned_start = mmc_block_address & src;
+	aligned_end = mmc_block_address & end;
+
+	/* all block aligned accesses */
+	debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+	src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+	if (part_start)
+	{
+		part_len = mmc_block_size - part_start;
+		debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+		src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+		if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0)
+		{
+			return -1;
+		}
+		memcpy(dst, mmc_buf+part_start, part_len);
+		dst += part_len;
+		src += part_len;
+	}
+	debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+	src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+	for (; src < aligned_end; src += mmc_block_size, dst += mmc_block_size)
+	{
+		debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+		src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+		if ((mmc_block_read((uchar *)(dst), src, mmc_block_size)) < 0)
+		{
+			return -1;
+		}
+	}
+	debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+	src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+	if (part_end && src < end)
+	{
+		debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+		src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+		if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0)
+		{
+			return -1;
+		}
+		memcpy(dst, mmc_buf, part_end);
+	}
+	return 0;
+}
+
+int
+/****************************************************/
+mmc_write(uchar *src, ulong dst, int size)
+/****************************************************/
+{
+	ulong end, part_start, part_end, part_len, aligned_start, aligned_end;
+	ulong mmc_block_size, mmc_block_address;
+
+	if (size == 0)
+	{
+		return 0;
+	}
+
+	if (!mmc_ready)
+	{
+		printf("Please initial the MMC first\n");
+		return -1;
+	}
+
+	mmc_block_size = MMC_BLOCK_SIZE;
+	mmc_block_address = ~(mmc_block_size - 1);
+
+	dst -= CFG_MMC_BASE;
+	end = dst + size;
+	part_start = ~mmc_block_address & dst;
+	part_end = ~mmc_block_address & end;
+	aligned_start = mmc_block_address & dst;
+	aligned_end = mmc_block_address & end;
+
+	/* all block aligned accesses */
+	debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+	src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+	if (part_start)
+	{
+		part_len = mmc_block_size - part_start;
+		debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+		(ulong)src, dst, end, part_start, part_end, aligned_start, aligned_end);
+		if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0)
+		{
+			return -1;
+		}
+		memcpy(mmc_buf+part_start, src, part_len);
+		if ((mmc_block_write(aligned_start, mmc_buf, mmc_block_size)) < 0)
+		{
+			return -1;
+		}
+		dst += part_len;
+		src += part_len;
+	}
+	debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+	src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+	for (; dst < aligned_end; src += mmc_block_size, dst += mmc_block_size)
+	{
+		debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+		src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+		if ((mmc_block_write(dst, (uchar *)src, mmc_block_size)) < 0)
+		{
+			return -1;
+		}
+	}
+	debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+	src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+	if (part_end && dst < end)
+	{
+		debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+		src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+		if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0)
+		{
+			return -1;
+		}
+		memcpy(mmc_buf, src, part_end);
+		if ((mmc_block_write(aligned_end, mmc_buf, mmc_block_size)) < 0)
+		{
+			return -1;
+		}
+	}
+	return 0;
+}
+
+int 
+/****************************************************/
+mmc_bread(int dev_num, ulong blknr, ulong blkcnt, uchar *dst)
+/****************************************************/
+{
+	int mmc_block_size = MMC_BLOCK_SIZE;
+	ulong src = blknr * mmc_block_size + CFG_MMC_BASE;
+
+	mmc_read(src, (uchar *)dst, blkcnt*mmc_block_size);
+	return blkcnt;
+}
+
+int
+/****************************************************/
+mmc_init(int verbose)
+/****************************************************/
+{
+ 	int retries, rc = -ENODEV;
+	uchar *resp;
+
+#ifdef CONFIG_LUBBOCK
+	set_GPIO_mode( GPIO6_MMCCLK_MD );
+	set_GPIO_mode( GPIO8_MMCCS0_MD );
+#endif
+	CKEN |= CKEN12_MMC; /* enable MMC unit clock */
+
+	mmc_csd.c_size = 0;
+
+	MMC_CLKRT  = MMC_CLKRT_0_3125MHZ;
+	MMC_RESTO  = MMC_RES_TO_MAX; 
+	MMC_SPI    = MMC_SPI_DISABLE;
+
+	/* reset */
+	retries = 10;
+	resp = mmc_cmd(0, 0, 0, 0);
+	resp = mmc_cmd(1, 0x00ff, 0xc000, MMC_CMDAT_INIT|MMC_CMDAT_BUSY|MMC_CMDAT_R3);
+	while (retries-- && resp && !(resp[4] & 0x80))
+	{
+		debug("resp %x %x\n", resp[0], resp[1]);
+		udelay(50);
+		resp = mmc_cmd(1, 0x00ff, 0xff00, MMC_CMDAT_BUSY|MMC_CMDAT_R3);
+	}
+
+	/* try to get card id */
+	resp = mmc_cmd(2, 0, 0, MMC_CMDAT_R2);
+	if (resp)
+	{
+		/* TODO configure mmc driver depending on card attributes */
+		mmc_cid_t *cid = (mmc_cid_t *)resp;
+		if (verbose)
+		{
+			printf("MMC found. Card desciption is:\n");
+			printf("Manufacturer ID = %02x%02x%02x\n", 
+							cid->id[0], cid->id[1], cid->id[2]);
+			printf("HW/FW Revision = %x %x\n",cid->hwrev, cid->fwrev);
+			cid->hwrev = cid->fwrev = 0;	/* null terminate string */
+			printf("Product Name = %s\n",cid->name);
+			printf("Serial Number = %02x%02x%02x\n", 
+							cid->sn[0], cid->sn[1], cid->sn[2]);
+			printf("Month = %d\n",cid->month);
+			printf("Year = %d\n",1997 + cid->year);
+		}
+
+		/* MMC exists, get CSD too */
+		resp = mmc_cmd(MMC_CMD_SET_RCA, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R1);
+		resp = mmc_cmd(MMC_CMD_SEND_CSD, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R2);
+		if (resp)
+		{
+			mmc_csd_t *csd = (mmc_csd_t *)resp;
+			memcpy(&mmc_csd, csd, sizeof(csd));
+			rc = 0;
+			mmc_ready = 1;
+			/* FIXME add verbose printout for csd */
+		}
+	}
+
+	MMC_CLKRT = 0;	/* 20 MHz */
+	resp = mmc_cmd(7, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R1);
+
+	fat_register_read(mmc_bread);
+
+	return rc;
+}
+
+int
+mmc_ident(block_dev_desc_t *dev)
+{
+	return 0;
+}
+
+int
+mmc2info(ulong addr)
+{
+	/* FIXME hard codes to 32 MB device */
+	if (addr >= CFG_MMC_BASE && addr < CFG_MMC_BASE + 0x02000000)
+	{
+		return 1;
+	}
+	return 0;
+}
+
+#endif
diff --git a/cpu/pxa/pxafb.c b/cpu/pxa/pxafb.c
new file mode 100644
index 000000000..f6a25754b
--- /dev/null
+++ b/cpu/pxa/pxafb.c
@@ -0,0 +1,1089 @@
+/*
+ * (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							*/
+/************************************************************************/
+
+#define DEBUG 1
+#include <config.h>
+#include <common.h>
+#include <version.h>
+#include <stdarg.h>
+#include <lcdvideo.h>
+#include <linux/types.h>
+#include <devices.h>
+#include <asm/arch/pxa-regs.h>
+
+#ifdef CONFIG_LCD
+
+/************************************************************************/
+/* ** CONFIG STUFF -- should be moved to board config file		*/
+/************************************************************************/
+#ifndef CONFIG_EDT32F10
+#define CONFIG_LCD_LOGO
+#define LCD_INFO		/* Display Logo, (C) and system info	*/
+#endif
+
+#ifdef CONFIG_V37
+#undef CONFIG_LCD_LOGO
+#undef LCD_INFO
+#endif
+
+#undef CONFIG_LCD_LOGO
+
+#define LCD_TEST_PATTERN 
+/* #define LCD_TEST_PATTERN */	/* color backgnd for frame/color adjust */
+/* #define CFG_INVERT_COLORS */	/* Not needed - adjust vl_dp instead 	*/
+/************************************************************************/
+
+/************************************************************************/
+/* ** FONT AND LOGO DATA						*/
+/************************************************************************/
+
+#include <video_font.h>		/* Get font data, width and height	*/
+
+#ifdef CONFIG_LCD_LOGO
+# include <bmp_nexus.h>		/* Get logo data, width and height	*/
+#endif
+
+/************************************************************************/
+/************************************************************************/
+
+/*
+ *  Information about displays we are using.  This is for configuring
+ *  the LCD controller and memory allocation.  Someone has to know what
+ *  is connected, as we can't autodetect anything.
+ */
+#define CFG_HIGH	0	/* Pins are active high */
+#define CFG_LOW		1	/* Pins are active low */
+
+/* PXA LCD DMA descriptor */
+struct pxafb_dma_descriptor {
+	u_long fdadr;
+	u_long fsadr;
+	u_long fidr;
+	u_long ldcmd;
+};
+
+/* PXA LCD info */
+struct pxafb_info {
+
+	/* Misc registers */
+	u_long reg_lccr3;
+	u_long reg_lccr2;
+	u_long reg_lccr1;
+	u_long reg_lccr0;
+	u_long fdadr0;
+	u_long fdadr1;
+
+	/* DMA descriptors */
+	struct pxafb_dma_descriptor * 	dmadesc_fblow;
+	struct pxafb_dma_descriptor * 	dmadesc_fbhigh;
+	struct pxafb_dma_descriptor *	dmadesc_palette;
+
+	u_long		screen;		/* physical address of frame buffer */
+	u_long		palette;	/* physical address of palette memory */
+	u_int		palette_size;
+};
+
+typedef struct vidinfo {
+    ushort	vl_col;		/* Number of columns (i.e. 640) */
+    ushort	vl_row;		/* Number of rows (i.e. 480) */
+    ushort	vl_width;	/* Width of display area in millimeters */
+    ushort	vl_height;	/* Height of display area in millimeters */
+
+    /* LCD configuration register.
+    */
+    u_char	vl_clkp;	/* Clock polarity */
+    u_char	vl_oep;		/* Output Enable polarity */
+    u_char	vl_hsp;		/* Horizontal Sync polarity */
+    u_char	vl_vsp;		/* Vertical Sync polarity */
+    u_char	vl_dp;		/* Data polarity */
+    u_char	vl_bpix;	/* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
+    u_char	vl_lbw;		/* LCD Bus width, 0 = 4, 1 = 8 */
+    u_char	vl_splt;	/* Split display, 0 = single-scan, 1 = dual-scan */
+    u_char	vl_clor;	/* Color, 0 = mono, 1 = color */
+    u_char	vl_tft;		/* 0 = passive, 1 = TFT */
+
+    /* Horizontal control register.  Timing from data sheet.
+    */
+    ushort	vl_hpw;		/* Horz sync pulse width */
+    u_char	vl_blw;		/* Wait before of line */
+    u_char	vl_elw;		/* Wait end of line */
+
+    /* Vertical control register.
+    */
+    u_char	vl_vpw;		/* Vertical sync pulse width */
+    u_char	vl_bfw;		/* Wait before of frame */
+    u_char	vl_efw;		/* Wait end of frame */
+
+    u_char	vl_lcdac;	/* LCD AC timing */
+
+    /* PXA LCD controller params
+     */
+    struct pxafb_info pxa;
+
+} vidinfo_t;
+
+#define LCD_MONOCHROME	0
+#define LCD_COLOR2	1
+#define LCD_COLOR4	2
+#define LCD_COLOR8	3
+#define LCD_COLOR16	4
+
+/*----------------------------------------------------------------------*/
+#define CONFIG_PXA_VGA
+#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 */
+static vidinfo_t panel_info = {
+	vl_col: 	640, 
+	vl_row: 	480,
+	vl_width: 	640,
+	vl_height: 	480,
+	vl_clkp: 	CFG_HIGH,
+        vl_oep: 	CFG_HIGH,   
+	vl_hsp: 	CFG_HIGH,
+    	vl_vsp: 	CFG_HIGH,
+    	vl_dp: 		CFG_HIGH,
+    	vl_bpix: 	LCD_BPP,
+    	vl_lbw: 	0,
+	vl_splt: 	0,
+    	vl_clor: 	0,
+	vl_lcdac: 	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 
+
+static vidinfo_t panel_info = {
+	vl_col: 	640, 
+	vl_row: 	480,
+	vl_width: 	157,
+	vl_height: 	118,
+	vl_clkp: 	CFG_HIGH,
+        vl_oep: 	CFG_HIGH,   
+	vl_hsp: 	CFG_HIGH,
+    	vl_vsp: 	CFG_HIGH,
+    	vl_dp: 		CFG_HIGH,
+    	vl_bpix: 	LCD_BPP,
+    	vl_lbw: 	0,
+	vl_splt: 	1,
+    	vl_clor: 	1,
+	vl_lcdac: 	0,
+    	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 */
+
+/*----------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------*/
+
+#if defined(LCD_INFO_BELOW_LOGO)
+# define LCD_INFO_X		0
+# define LCD_INFO_Y		(BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
+#elif defined(CONFIG_LCD_LOGO)
+# define LCD_INFO_X		(BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
+# define LCD_INFO_Y		(VIDEO_FONT_HEIGHT)
+#else
+# define LCD_INFO_X		(VIDEO_FONT_WIDTH)
+# define LCD_INFO_Y		(VIDEO_FONT_HEIGHT)
+#endif
+
+#ifndef LCD_BPP
+#define LCD_BPP			LCD_COLOR8
+#endif
+#ifndef LCD_DF
+#define LCD_DF			1
+#endif
+
+#define NBITS(bit_code)		(1 << (bit_code))
+#define NCOLORS(bit_code)	(1 << NBITS(bit_code))
+
+static int lcd_line_length;
+
+static int lcd_color_fg;
+static int lcd_color_bg;
+
+static char lcd_is_enabled = 0;		/* Indicate that LCD is enabled	*/
+
+/*
+ * Frame buffer memory information
+ */
+static void *lcd_base;			/* Start of framebuffer memory	*/
+static void *lcd_console_address;	/* Start of console buffer	*/
+
+
+/************************************************************************/
+/* ** CONSOLE CONSTANTS							*/
+/************************************************************************/
+
+#if LCD_BPP == LCD_MONOCHROME
+
+/*
+ * Simple color definitions
+ */
+#define CONSOLE_COLOR_BLACK	 0
+#define CONSOLE_COLOR_WHITE	 1	/* Must remain last / highest */
+
+#elif 	LCD_BPP == LCD_COLOR8
+
+/*
+ * Simple color definitions
+ */
+#define CONSOLE_COLOR_BLACK	 0
+#define CONSOLE_COLOR_RED	 1
+#define CONSOLE_COLOR_GREEN	 2
+#define CONSOLE_COLOR_YELLOW	 3
+#define CONSOLE_COLOR_BLUE	 4
+#define CONSOLE_COLOR_MAGENTA	 5
+#define CONSOLE_COLOR_CYAN	 6
+#define CONSOLE_COLOR_GREY	14
+#define CONSOLE_COLOR_WHITE	15	/* Must remain last / highest */
+
+#else /* 16 bit */
+
+#define CONSOLE_COLOR_BLACK	 0x0000
+#define CONSOLE_COLOR_WHITE	 0xffff	/* Must remain last / highest */
+
+#endif
+
+#if defined(CONFIG_LCD_LOGO) && (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
+#error Default Color Map overlaps with Logo Color Map
+#endif
+
+/************************************************************************/
+
+#ifndef PAGE_SIZE
+#define	PAGE_SIZE	4096
+#endif
+
+
+/************************************************************************/
+/* ** CONSOLE DEFINITIONS & FUNCTIONS					*/
+/************************************************************************/
+
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+#define CONSOLE_ROWS		((panel_info.vl_row-BMP_LOGO_HEIGHT) \
+					/ VIDEO_FONT_HEIGHT)
+#else
+#define CONSOLE_ROWS		(panel_info.vl_row / VIDEO_FONT_HEIGHT)
+#endif
+#define CONSOLE_COLS		(panel_info.vl_col / VIDEO_FONT_WIDTH)
+#define CONSOLE_ROW_SIZE	(VIDEO_FONT_HEIGHT * lcd_line_length)
+#define CONSOLE_ROW_FIRST	(lcd_console_address)
+#define CONSOLE_ROW_SECOND	(lcd_console_address + CONSOLE_ROW_SIZE)
+#define CONSOLE_ROW_LAST	(lcd_console_address + CONSOLE_SIZE \
+					- CONSOLE_ROW_SIZE)
+#define CONSOLE_SIZE		(CONSOLE_ROW_SIZE * CONSOLE_ROWS)
+#define CONSOLE_SCROLL_SIZE	(CONSOLE_SIZE - CONSOLE_ROW_SIZE)
+
+#if  LCD_BPP == LCD_MONOCHROME
+#define COLOR_MASK(c)		((c)      | (c) << 1 | (c) << 2 | (c) << 3 | \
+				 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
+#elif LCD_BPP == LCD_COLOR8
+#define COLOR_MASK(c)		(c)
+#elif LCD_BPP == LCD_COLOR16
+#define COLOR_MASK(c)		(c)
+#else
+#error Unsupported LCD BPP.
+#endif
+
+static short console_col;
+static short console_row;
+
+/************************************************************************/
+
+ulong	lcd_setmem (ulong addr);
+
+static void	lcd_drawchars  (ushort x, ushort y, uchar *str, int count);
+static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
+static inline void lcd_putc_xy (ushort x, ushort y, uchar  c);
+
+static int	lcd_init (void *lcdbase);
+static void	lcd_ctrl_init (void *lcdbase);
+static void	lcd_enable (void);
+static void    *lcd_logo (void);
+#if LCD_BPP == LCD_COLOR8
+static void	lcd_setcolreg (ushort regno,
+				ushort red, ushort green, ushort blue);
+#endif
+#if LCD_BPP == LCD_MONOCHROME
+static void	lcd_initcolregs (void);
+#endif
+static void	lcd_setfgcolor (int color);
+static void	lcd_setbgcolor (int color);
+
+#ifdef	NOT_USED_SO_FAR
+static int	lcd_getbgcolor (void);
+static void	lcd_disable (void);
+static void	lcd_getcolreg (ushort regno,
+				ushort *red, ushort *green, ushort *blue);
+static int	lcd_getfgcolor (void);
+#endif	/* NOT_USED_SO_FAR */
+
+
+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);
+
+/************************************************************************/
+
+/*----------------------------------------------------------------------*/
+
+static void console_scrollup (void)
+{
+	/* Copy up rows ignoring the first one */
+	memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
+
+	/* Clear the last one */
+	memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void console_back (void)
+{
+	if (--console_col < 0) {
+		console_col = CONSOLE_COLS-1 ;
+		if (--console_row < 0) {
+			console_row = 0;
+		}
+	}
+
+	lcd_putc_xy (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 () ;
+		--console_row;
+	}
+}
+
+/*----------------------------------------------------------------------*/
+
+void lcd_putc (const char c)
+{
+	if (!lcd_is_enabled) {
+		serial_putc(c);
+		return;
+	}
+
+	switch (c) {
+	case '\r':	console_col = 0;
+			return;
+
+	case '\n':	console_newline();
+			return;
+
+	case '\t':	/* Tab (8 chars alignment) */
+			console_col |=  8;
+			console_col &= ~7;
+
+			if (console_col >= CONSOLE_COLS) {
+				console_newline();
+			}
+			return;
+
+	case '\b':	console_back();
+			return;
+
+	default:	lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
+				     console_row * VIDEO_FONT_HEIGHT,
+				     c);
+			if (++console_col >= CONSOLE_COLS) {
+				console_newline();
+			}
+			return;
+	}
+	/* NOTREACHED */
+}
+
+/*----------------------------------------------------------------------*/
+
+void lcd_puts (const char *s)
+{
+	if (!lcd_is_enabled) {
+		serial_puts (s);
+		return;
+	}
+
+	while (*s) {
+		lcd_putc (*s++);
+	}
+}
+
+/************************************************************************/
+/* ** Low-Level Graphics Routines					*/
+/************************************************************************/
+
+static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
+{
+	uchar *dest;
+	ushort off, row;
+
+	dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
+	off  = x * (1 << LCD_BPP) % 8;
+
+	for (row=0;  row < VIDEO_FONT_HEIGHT;  ++row, dest += lcd_line_length)  {
+		uchar *s = str;
+		uchar *d = dest;
+		int i;
+
+#if LCD_BPP == LCD_MONOCHROME
+		uchar rest = *d & -(1 << (8-off));
+		uchar sym;
+#endif
+		for (i=0; i<count; ++i) {
+			uchar c, bits;
+
+			c = *s++;
+			bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
+
+#if LCD_BPP == LCD_MONOCHROME
+			sym  = (COLOR_MASK(lcd_color_fg) & bits) |
+			       (COLOR_MASK(lcd_color_bg) & ~bits);
+
+			*d++ = rest | (sym >> off);
+			rest = sym << (8-off);
+#elif LCD_BPP == LCD_COLOR8
+			for (c=0; c<8; ++c) {
+				*d++ = (bits & 0x80) ?
+						lcd_color_fg : lcd_color_bg;
+				bits <<= 1;
+			}
+#elif LCD_BPP == LCD_COLOR16
+			for (c=0; c<16; ++c) {
+				*d++ = (bits & 0x80) ?
+						lcd_color_fg : lcd_color_bg;
+				bits <<= 1;
+			}
+#endif
+		}
+
+#if LCD_BPP == LCD_MONOCHROME
+		*d  = rest | (*d & ((1 << (8-off)) - 1));
+#endif
+	}
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
+{
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+	lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s));
+#else
+	lcd_drawchars (x, y, s, strlen (s));
+#endif
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
+{
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+	lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
+#else
+	lcd_drawchars (x, y, &c, 1);
+#endif
+}
+
+/************************************************************************/
+/**  Small utility to check that you got the colours right		*/
+/************************************************************************/
+#ifdef LCD_TEST_PATTERN
+
+#define	N_BLK_VERT	2
+#define	N_BLK_HOR	3
+
+static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
+	CONSOLE_COLOR_RED,	CONSOLE_COLOR_GREEN,	CONSOLE_COLOR_YELLOW,
+	CONSOLE_COLOR_BLUE,	CONSOLE_COLOR_MAGENTA,	CONSOLE_COLOR_CYAN,
+};
+
+static void test_pattern (void)
+{
+	ushort v_max  = panel_info.vl_row;
+	ushort h_max  = panel_info.vl_col;
+	ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
+	ushort h_step = (h_max + N_BLK_HOR  - 1) / N_BLK_HOR;
+	ushort v, h;
+	uchar *pix = (uchar *)lcd_base;
+
+	printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
+		h_max, v_max, h_step, v_step);
+
+	/* WARNING: Code silently assumes 8bit/pixel */
+	for (v=0; v<v_max; ++v) {
+		uchar iy = v / v_step;
+		for (h=0; h<h_max; ++h) {
+			uchar ix = N_BLK_HOR * iy + (h/h_step);
+			*pix++ = test_colors[ix];
+		}
+	}
+}
+#endif /* LCD_TEST_PATTERN */
+
+
+/************************************************************************/
+/* ** GENERIC Initialization Routines					*/
+/************************************************************************/
+
+int drv_lcd_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	device_t lcddev;
+	int rc;
+
+	lcd_base = (void *)(gd->fb_base);
+
+	lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
+
+	lcd_init (lcd_base);		/* LCD initialization */
+
+	/* Device initialization */
+	memset (&lcddev, 0, sizeof (lcddev));
+
+	strcpy (lcddev.name, "lcd");
+	lcddev.ext   = 0;			/* No extensions */
+	lcddev.flags = DEV_FLAGS_OUTPUT;	/* Output only */
+	lcddev.putc  = lcd_putc;		/* 'putc' function */
+	lcddev.puts  = lcd_puts;		/* 'puts' function */
+
+	rc = device_register (&lcddev);
+	return (rc == 0) ? 1 : rc;
+}
+
+/*----------------------------------------------------------------------*/
+
+static int lcd_init (void *lcdbase)
+{
+	/* Initialize the lcd controller */
+	debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
+
+	lcd_ctrl_init (lcdbase);
+
+#if LCD_BPP == LCD_MONOCHROME
+	/* Setting the palette */
+	lcd_initcolregs();
+
+#elif LCD_BPP == LCD_COLOR8
+	/* Setting the palette */
+	lcd_setcolreg  (CONSOLE_COLOR_BLACK,       0,    0,    0);
+	lcd_setcolreg  (CONSOLE_COLOR_RED,	0xFF,    0,    0);
+	lcd_setcolreg  (CONSOLE_COLOR_GREEN,       0, 0xFF,    0);
+	lcd_setcolreg  (CONSOLE_COLOR_YELLOW,	0xFF, 0xFF,    0);
+	lcd_setcolreg  (CONSOLE_COLOR_BLUE,	0,    0, 0xFF);
+	lcd_setcolreg  (CONSOLE_COLOR_MAGENTA,	0xFF,    0, 0xFF);
+	lcd_setcolreg  (CONSOLE_COLOR_CYAN,	   0, 0xFF, 0xFF);
+	lcd_setcolreg  (CONSOLE_COLOR_GREY,	0xAA, 0xAA, 0xAA);
+	lcd_setcolreg  (CONSOLE_COLOR_WHITE,	0xFF, 0xFF, 0xFF);
+#endif
+
+#define CFG_WHITE_ON_BLACK
+#ifndef CFG_WHITE_ON_BLACK
+	lcd_setfgcolor (CONSOLE_COLOR_BLACK);
+	lcd_setbgcolor (CONSOLE_COLOR_WHITE);
+#else
+	lcd_setfgcolor (CONSOLE_COLOR_WHITE);
+	lcd_setbgcolor (CONSOLE_COLOR_BLACK);
+#endif	/* CFG_WHITE_ON_BLACK */
+
+#ifdef	LCD_TEST_PATTERN
+	test_pattern();
+#else
+	/* set framebuffer to background color */
+	memset ((char *)lcd_base,
+		COLOR_MASK(lcd_getbgcolor()),
+		lcd_line_length*panel_info.vl_row);
+#endif
+
+	lcd_enable ();
+
+	/* Paint the logo and retrieve LCD base address */
+	debug ("[LCD] Drawing the logo...\n");
+	lcd_console_address = lcd_logo ();
+
+	/* Initialize the console */
+	console_col = 0;
+#ifdef LCD_INFO_BELOW_LOGO
+	console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
+#else
+	console_row = 1;	/* leave 1 blank line below logo */
+#endif
+	lcd_is_enabled = 1;
+
+	return 0;
+}
+
+
+/************************************************************************/
+/* ** ROM capable initialization part - needed to reserve FB memory	*/
+/************************************************************************/
+
+/*
+ * This is called early in the system initialization to grab memory
+ * for the LCD controller.
+ * Returns new address for monitor, after reserving LCD buffer memory
+ *
+ * Note that this is running from ROM, so no write access to global data.
+ */
+ulong lcd_setmem (ulong addr)
+{
+	ulong size;
+	int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
+
+	debug ("LCD panel info: %d x %d, %d bit/pix\n",
+		panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
+
+	/* extra page for dma descriptors and palette */
+	size = line_length * panel_info.vl_row + PAGE_SIZE;
+
+	/* Round up to nearest full page */
+	size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+
+	/* Allocate pages for the frame buffer. */
+	addr -= size;
+
+	debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
+
+	return (addr);
+}
+
+
+/************************************************************************/
+/* ----------------- chipset specific functions ----------------------- */
+/************************************************************************/
+
+static 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
+static void
+lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
+{
+}
+#endif	/* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+#if LCD_BPP == LCD_COLOR8
+static 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
+static
+void lcd_initcolregs (void)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile cpm8xx_t *cp = &(immr->im_cpm);
+	ushort regno;
+
+	for (regno = 0; regno < 16; regno++) {
+		cp->lcd_cmap[regno * 2] = 0;
+		cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f;
+	}
+}
+#endif
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_setfgcolor (int color)
+{
+	lcd_color_fg = color & 0x0F;
+}
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_setbgcolor (int color)
+{
+	lcd_color_bg = color & 0x0F;
+}
+
+/*----------------------------------------------------------------------*/
+
+#ifdef	NOT_USED_SO_FAR
+static int lcd_getfgcolor (void)
+{
+	return lcd_color_fg;
+}
+#endif	/* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+#ifdef	NOT_USED_SO_FAR
+static int lcd_getbgcolor (void)
+{
+	return lcd_color_bg;
+}
+#endif	/* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_enable (void)
+{
+}
+
+/*----------------------------------------------------------------------*/
+
+#ifdef	NOT_USED_SO_FAR
+static void lcd_disable (void)
+{
+}
+#endif	/* NOT_USED_SO_FAR */
+
+
+/************************************************************************/
+/* ** Chipset depending Bitmap / Logo stuff...				*/
+/************************************************************************/
+
+#ifdef CONFIG_LCD_LOGO
+static void bitmap_plot (int x, int y)
+{
+	ushort *cmap;
+	ushort i;
+	uchar *bmap;
+	uchar *fb;
+	struct pxafb_info *fbi = &panel_info.pxa;
+
+	debug ("Logo: width %d  height %d  colors %d  cmap %d\n",
+		BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
+		sizeof(bmp_logo_palette)/(sizeof(ushort))
+	);
+
+	/* Leave room for default color map */
+	cmap = (ushort *)fbi->palette;
+
+	/* Set color map */
+	for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
+		ushort colreg = bmp_logo_palette[i];
+#ifdef	CFG_INVERT_COLORS
+		colreg ^= 0xFFF;
+#endif
+		*cmap++ = colreg;
+	}
+
+	bmap = &bmp_logo_bitmap[0];
+	fb   = (char *)(lcd_base + y * lcd_line_length + x);
+
+	for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
+		memcpy (fb, bmap, BMP_LOGO_WIDTH);
+		bmap += BMP_LOGO_WIDTH;
+		fb   += panel_info.vl_col;
+	}
+}
+#endif /* CONFIG_LCD_LOGO */
+
+/*----------------------------------------------------------------------*/
+
+static void *lcd_logo (void)
+{
+#ifdef CONFIG_LCD_LOGO
+	DECLARE_GLOBAL_DATA_PTR;
+	char info[80];
+	char temp[32];
+
+	bitmap_plot (0, 0);
+#endif /* CONFIG_LCD_LOGO */
+
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+	return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
+#else
+	return ((void *)lcd_base);
+#endif	/* CONFIG_LCD_LOGO */
+}
+
+/************************************************************************
+   PXA255 specific routines
+************************************************************************/
+
+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 + 2*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 */