board/kup/kup4k/kup4k.c - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.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
  */

 #include <common.h>
 #include <mpc8xx.h>
 #include "../common/kup.h"
 #ifdef CONFIG_KUP4K_LOGO
    #include "s1d13706.h"
 #endif

 DECLARE_GLOBAL_DATA_PTR;

 #undef DEBUG
 #ifdef  DEBUG
 # define debugk(fmt,args...)    printf(fmt ,##args)
 #else
 # define debugk(fmt,args...)
 #endif

 typedef struct {
 	volatile unsigned char *VmemAddr;
 	volatile unsigned char *RegAddr;
 } FB_INFO_S1D13xxx;


 /* ------------------------------------------------------------------------- */

 #ifdef CONFIG_KUP4K_LOGO
 void lcd_logo(bd_t *bd);
 #endif


 /* ------------------------------------------------------------------------- */

 #define	_NOT_USED_	0xFFFFFFFF

 const uint sdram_table[] = {
 	/*
 	 * Single Read. (Offset 0 in UPMA RAM)
 	 */
 	0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00,
 	0x1FF77C47, /* last */

 	/*
 	 * SDRAM Initialization (offset 5 in UPMA RAM)
 	 *
 	 * This is no UPM entry point. The following definition uses
 	 * the remaining space to establish an initialization
 	 * sequence, which is executed by a RUN command.
 	 *
 	 */
 		    0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */

 	/*
 	 * Burst Read. (Offset 8 in UPMA RAM)
 	 */
 	0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00,
 	0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,

 	/*
 	 * Single Write. (Offset 18 in UPMA RAM)
 	 */
 	0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,

 	/*
 	 * Burst Write. (Offset 20 in UPMA RAM)
 	 */
 	0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00,
 	0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */
 					    _NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,

 	/*
 	 * Refresh  (Offset 30 in UPMA RAM)
 	 */
 	0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
 	0xFFFFFC84, 0xFFFFFC07, /* last */
 				_NOT_USED_, _NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,

 	/*
 	 * Exception. (Offset 3c in UPMA RAM)
 	 */
 	0x7FFFFC07, /* last */
 		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
 };

 /* ------------------------------------------------------------------------- */


 /*
  * Check Board Identity:
  */

 int checkboard (void)
 {
 	volatile immap_t *immap = (immap_t *) CFG_IMMR;
 	uchar *latch,rev,mod;

 	/*
 	 * Init ChipSelect #4 (CAN + HW-Latch)
 	 */
 	immap->im_memctl.memc_or4 = 0xFFFF8926;
 	immap->im_memctl.memc_br4 = 0x90000401;
 	__asm__ ("eieio");
 	latch=(uchar *)0x90000200;
 	rev = (*latch & 0xF8) >> 3;
 	mod=(*latch & 0x03);
 	printf ("Board: KUP4K Rev %d.%d\n",rev,mod);
 	return (0);
 }

 /* ------------------------------------------------------------------------- */

 phys_size_t initdram (int board_type)
 {
 	volatile immap_t *immap = (immap_t *) CFG_IMMR;
 	volatile memctl8xx_t *memctl = &immap->im_memctl;
 	long int size_b0 = 0;
 	long int size_b1 = 0;
 	long int size_b2 = 0;

 	upmconfig (UPMA, (uint *) sdram_table,
 			 sizeof (sdram_table) / sizeof (uint));

 	/*
 	 * Preliminary prescaler for refresh (depends on number of
 	 * banks): This value is selected for four cycles every 62.4 us
 	 * with two SDRAM banks or four cycles every 31.2 us with one
 	 * bank. It will be adjusted after memory sizing.
 	 */
 	memctl->memc_mptpr = CFG_MPTPR;

 	memctl->memc_mar = 0x00000088;

 	/*
 	 * Map controller banks 1 and 2 to the SDRAM banks 2 and 3 at
 	 * preliminary addresses - these have to be modified after the
 	 * SDRAM size has been determined.
 	 */
 /*	memctl->memc_or1 = CFG_OR1_PRELIM;	*/
 /*	memctl->memc_br1 = CFG_BR1_PRELIM;	*/

 /*	memctl->memc_or2 = CFG_OR2_PRELIM;	*/
 /*	memctl->memc_br2 = CFG_BR2_PRELIM;	*/


 	memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE));	/* no refresh yet */

 	udelay (200);

 	/* perform SDRAM initializsation sequence */

 	memctl->memc_mcr = 0x80002105;	/* SDRAM bank 0 */
 	udelay (1);
 	memctl->memc_mcr = 0x80002830;	/* SDRAM bank 0 - execute twice */
 	udelay (1);
 	memctl->memc_mcr = 0x80002106;	/* SDRAM bank 0 - RUN MRS Pattern from loc 6 */
 	udelay (1);

 	memctl->memc_mcr = 0x80004105;	/* SDRAM bank 1 */
 	udelay (1);
 	memctl->memc_mcr = 0x80004830;	/* SDRAM bank 1 - execute twice */
 	udelay (1);
 	memctl->memc_mcr = 0x80004106;	/* SDRAM bank 1 - RUN MRS Pattern from loc 6 */
 	udelay (1);

 	memctl->memc_mcr = 0x80006105;	/* SDRAM bank 2 */
 	udelay (1);
 	memctl->memc_mcr = 0x80006830;	/* SDRAM bank 2 - execute twice */
 	udelay (1);
 	memctl->memc_mcr = 0x80006106;	/* SDRAM bank 2 - RUN MRS Pattern from loc 6 */
 	udelay (1);

 	memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */
 	udelay (1000);

 #if 0							/* 3 x 8MB */
 	size_b0 = 0x00800000;
 	size_b1 = 0x00800000;
 	size_b2 = 0x00800000;
 	memctl->memc_mptpr = CFG_MPTPR;
 	udelay (1000);
 	memctl->memc_or1 = 0xFF800A00;
 	memctl->memc_br1 = 0x00000081;
 	memctl->memc_or2 = 0xFF000A00;
 	memctl->memc_br2 = 0x00800081;
 	memctl->memc_or3 = 0xFE000A00;
 	memctl->memc_br3 = 0x01000081;
 #else							/* 3 x 16 MB */
 	size_b0 = 0x01000000;
 	size_b1 = 0x01000000;
 	size_b2 = 0x01000000;
 	memctl->memc_mptpr = CFG_MPTPR;
 	udelay (1000);
 	memctl->memc_or1 = 0xFF000A00;
 	memctl->memc_br1 = 0x00000081;
 	memctl->memc_or2 = 0xFE000A00;
 	memctl->memc_br2 = 0x01000081;
 	memctl->memc_or3 = 0xFC000A00;
 	memctl->memc_br3 = 0x02000081;
 #endif

 	udelay (10000);

 	return (size_b0 + size_b1 + size_b2);
 }

 /* ------------------------------------------------------------------------- */

 int misc_init_r (void)
 {
 #ifdef CONFIG_STATUS_LED
 	volatile immap_t *immap = (immap_t *) CFG_IMMR;
 #endif
 #ifdef CONFIG_KUP4K_LOGO
 	bd_t *bd = gd->bd;

 	lcd_logo (bd);
 #endif							/* CONFIG_KUP4K_LOGO */
 #ifdef CONFIG_IDE_LED
 	/* Configure PA8 as output port */
 	immap->im_ioport.iop_padir |= 0x80;
 	immap->im_ioport.iop_paodr |= 0x80;
 	immap->im_ioport.iop_papar &= ~0x80;
 	immap->im_ioport.iop_padat |= 0x80;	/* turn it off */
 #endif
 	setenv("hw","4k");
 	poweron_key();
 	return (0);
 }

 #ifdef CONFIG_KUP4K_LOGO


 void lcd_logo (bd_t * bd)
 {
 	FB_INFO_S1D13xxx fb_info;
 	S1D_INDEX s1dReg;
 	S1D_VALUE s1dValue;
 	volatile immap_t *immr = (immap_t *) CFG_IMMR;
 	volatile memctl8xx_t *memctl;
 	ushort i;
 	uchar *fb;
 	int rs, gs, bs;
 	int r = 8, g = 8, b = 4;
 	int r1, g1, b1;
 	int n;
 	char tmp[64];		/* long enough for environment variables */
 	int tft = 0;

 	immr->im_cpm.cp_pbpar &= ~(PB_LCD_PWM);
 	immr->im_cpm.cp_pbodr &= ~(PB_LCD_PWM);
 	immr->im_cpm.cp_pbdat &= ~(PB_LCD_PWM);	/* set to 0 = enabled */
 	immr->im_cpm.cp_pbdir |= (PB_LCD_PWM);

 /*----------------------------------------------------------------------------- */
 /* Initialize the chip and the frame buffer driver. */
 /*----------------------------------------------------------------------------- */
 	memctl = &immr->im_memctl;


 	/*
 	 * Init ChipSelect #5 (S1D13768)
 	 */
 	memctl->memc_or5 = 0xFFC007F0;	/* 4 MB  17 WS or externel TA */
 	memctl->memc_br5 = 0x80080801;	/* Start at 0x80080000 */
 	__asm__ ("eieio");

 	fb_info.VmemAddr = (unsigned char *) (S1D_PHYSICAL_VMEM_ADDR);
 	fb_info.RegAddr = (unsigned char *) (S1D_PHYSICAL_REG_ADDR);

 	if ((((S1D_VALUE *) fb_info.RegAddr)[0] != 0x28)
 	    || (((S1D_VALUE *) fb_info.RegAddr)[1] != 0x14)) {
 		printf ("Warning:LCD Controller S1D13706 not found\n");
 		setenv ("lcd", "none");
 		return;
 	}


 	for (i = 0; i < sizeof(aS1DRegs_prelimn) / sizeof(aS1DRegs_prelimn[0]); i++) {
 		s1dReg = aS1DRegs_prelimn[i].Index;
 		s1dValue = aS1DRegs_prelimn[i].Value;
 		debugk ("s13768 reg: %02x value: %02x\n",
 			aS1DRegs_prelimn[i].Index, aS1DRegs_prelimn[i].Value);
 		((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] =
 			s1dValue;
 	}


 	n = getenv_r ("lcd", tmp, sizeof (tmp));
 	if (n > 0) {
 		if (!strcmp ("tft", tmp))
 			tft = 1;
 		else
 			tft = 0;
 	}
 #if 0
 	if (((S1D_VALUE *) fb_info.RegAddr)[0xAC] & 0x04)
 		tft = 0;
 	else
 		tft = 1;
 #endif

 	debugk ("Port=0x%02x -> TFT=%d\n", tft,
 		((S1D_VALUE *) fb_info.RegAddr)[0xAC]);

 	/* init controller */
 	if (!tft) {
 		for (i = 0; i < sizeof(aS1DRegs_stn) / sizeof(aS1DRegs_stn[0]); i++) {
 			s1dReg = aS1DRegs_stn[i].Index;
 			s1dValue = aS1DRegs_stn[i].Value;
 			debugk ("s13768 reg: %02x value: %02x\n",
 				aS1DRegs_stn[i].Index,
 				aS1DRegs_stn[i].Value);
 			((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof(S1D_VALUE)] =
 				s1dValue;
 		}
 		n = getenv_r ("contrast", tmp, sizeof (tmp));
 		((S1D_VALUE *) fb_info.RegAddr)[0xB3] =
 			(n > 0) ? (uchar) simple_strtoul (tmp, NULL, 10) * 255 / 100 : 0xA0;
 		switch (bd->bi_busfreq) {
 		case 40000000:
 			((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
 			((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x41;
 			break;
 		case 48000000:
 			((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x22;
 			((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34;
 			break;
 		default:
 			printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq);
 		case 64000000:
 			((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
 			((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x66;
 			break;
 		}
 		/*   setenv("lcd","stn"); */
 	} else {
 		for (i = 0; i < sizeof(aS1DRegs_tft) / sizeof(aS1DRegs_tft[0]); i++) {
 			s1dReg = aS1DRegs_tft[i].Index;
 			s1dValue = aS1DRegs_tft[i].Value;
 			debugk ("s13768 reg: %02x value: %02x\n",
 				aS1DRegs_tft[i].Index,
 				aS1DRegs_tft[i].Value);
 			((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] =
 				s1dValue;
 		}

 		switch (bd->bi_busfreq) {
 		default:
 			printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq);
 		case 40000000:
 			((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x42;
 			((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x30;
 			break;
 		}
 		/* setenv("lcd","tft"); */
 	}

 	/* create and set colormap */
 	rs = 256 / (r - 1);
 	gs = 256 / (g - 1);
 	bs = 256 / (b - 1);
 	for (i = 0; i < 256; i++) {
 		r1 = (rs * ((i / (g * b)) % r)) * 255;
 		g1 = (gs * ((i / b) % g)) * 255;
 		b1 = (bs * ((i) % b)) * 255;
 		debugk ("%d %04x %04x %04x\n", i, r1 >> 4, g1 >> 4, b1 >> 4);
 		S1D_WRITE_PALETTE (fb_info.RegAddr, i, (r1 >> 4), (g1 >> 4),
 				   (b1 >> 4));
 	}

 	/* copy bitmap */
 	fb = (uchar *) (fb_info.VmemAddr);
 	memcpy (fb, (uchar *) CONFIG_KUP4K_LOGO, 320 * 240);
 }
 #endif	/* CONFIG_KUP4K_LOGO */
	/*
	* (C) Copyright 2000-2004
	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	* Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.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
	*/

	#include <common.h>
	#include <mpc8xx.h>
	#include "../common/kup.h"
	#ifdef CONFIG_KUP4K_LOGO
	#include "s1d13706.h"
	#endif

	DECLARE_GLOBAL_DATA_PTR;

	#undef DEBUG
	#ifdef DEBUG
	# define debugk(fmt,args...) printf(fmt ,##args)
	#else
	# define debugk(fmt,args...)
	#endif

	typedef struct {
	volatile unsigned char *VmemAddr;
	volatile unsigned char *RegAddr;
	} FB_INFO_S1D13xxx;


	/* ------------------------------------------------------------------------- */

	#ifdef CONFIG_KUP4K_LOGO
	void lcd_logo(bd_t *bd);
	#endif


	/* ------------------------------------------------------------------------- */

	#define _NOT_USED_ 0xFFFFFFFF

	const uint sdram_table[] = {
	/*
	* Single Read. (Offset 0 in UPMA RAM)
	*/
	0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00,
	0x1FF77C47, /* last */

	/*
	* SDRAM Initialization (offset 5 in UPMA RAM)
	*
	* This is no UPM entry point. The following definition uses
	* the remaining space to establish an initialization
	* sequence, which is executed by a RUN command.
	*
	*/
	0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */

	/*
	* Burst Read. (Offset 8 in UPMA RAM)
	*/
	0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00,
	0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */
	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,

	/*
	* Single Write. (Offset 18 in UPMA RAM)
	*/
	0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */
	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,

	/*
	* Burst Write. (Offset 20 in UPMA RAM)
	*/
	0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00,
	0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */
	_NOT_USED_,
	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,

	/*
	* Refresh (Offset 30 in UPMA RAM)
	*/
	0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
	0xFFFFFC84, 0xFFFFFC07, /* last */
	_NOT_USED_, _NOT_USED_,
	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,

	/*
	* Exception. (Offset 3c in UPMA RAM)
	*/
	0x7FFFFC07, /* last */
	_NOT_USED_, _NOT_USED_, _NOT_USED_,
	};

	/* ------------------------------------------------------------------------- */


	/*
	* Check Board Identity:
	*/

	int checkboard (void)
	{
	volatile immap_t immap = (immap_t ) CFG_IMMR;
	uchar *latch,rev,mod;

	/*
	* Init ChipSelect #4 (CAN + HW-Latch)
	*/
	immap->im_memctl.memc_or4 = 0xFFFF8926;
	immap->im_memctl.memc_br4 = 0x90000401;
	__asm__ ("eieio");
	latch=(uchar *)0x90000200;
	rev = (*latch & 0xF8) >> 3;
	mod=(*latch & 0x03);
	printf ("Board: KUP4K Rev %d.%d\n",rev,mod);
	return (0);
	}

	/* ------------------------------------------------------------------------- */

	phys_size_t initdram (int board_type)
	{
	volatile immap_t immap = (immap_t ) CFG_IMMR;
	volatile memctl8xx_t *memctl = &immap->im_memctl;
	long int size_b0 = 0;
	long int size_b1 = 0;
	long int size_b2 = 0;

	upmconfig (UPMA, (uint *) sdram_table,
	sizeof (sdram_table) / sizeof (uint));

	/*
	* Preliminary prescaler for refresh (depends on number of
	* banks): This value is selected for four cycles every 62.4 us
	* with two SDRAM banks or four cycles every 31.2 us with one
	* bank. It will be adjusted after memory sizing.
	*/
	memctl->memc_mptpr = CFG_MPTPR;

	memctl->memc_mar = 0x00000088;

	/*
	* Map controller banks 1 and 2 to the SDRAM banks 2 and 3 at
	* preliminary addresses - these have to be modified after the
	* SDRAM size has been determined.
	*/
	/* memctl->memc_or1 = CFG_OR1_PRELIM; */
	/* memctl->memc_br1 = CFG_BR1_PRELIM; */

	/* memctl->memc_or2 = CFG_OR2_PRELIM; */
	/* memctl->memc_br2 = CFG_BR2_PRELIM; */


	memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */

	udelay (200);

	/* perform SDRAM initializsation sequence */

	memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
	udelay (1);
	memctl->memc_mcr = 0x80002830; /* SDRAM bank 0 - execute twice */
	udelay (1);
	memctl->memc_mcr = 0x80002106; /* SDRAM bank 0 - RUN MRS Pattern from loc 6 */
	udelay (1);

	memctl->memc_mcr = 0x80004105; /* SDRAM bank 1 */
	udelay (1);
	memctl->memc_mcr = 0x80004830; /* SDRAM bank 1 - execute twice */
	udelay (1);
	memctl->memc_mcr = 0x80004106; /* SDRAM bank 1 - RUN MRS Pattern from loc 6 */
	udelay (1);

	memctl->memc_mcr = 0x80006105; /* SDRAM bank 2 */
	udelay (1);
	memctl->memc_mcr = 0x80006830; /* SDRAM bank 2 - execute twice */
	udelay (1);
	memctl->memc_mcr = 0x80006106; /* SDRAM bank 2 - RUN MRS Pattern from loc 6 */
	udelay (1);

	memctl->memc_mamr \|= MAMR_PTAE; /* enable refresh */
	udelay (1000);

	#if 0 /* 3 x 8MB */
	size_b0 = 0x00800000;
	size_b1 = 0x00800000;
	size_b2 = 0x00800000;
	memctl->memc_mptpr = CFG_MPTPR;
	udelay (1000);
	memctl->memc_or1 = 0xFF800A00;
	memctl->memc_br1 = 0x00000081;
	memctl->memc_or2 = 0xFF000A00;
	memctl->memc_br2 = 0x00800081;
	memctl->memc_or3 = 0xFE000A00;
	memctl->memc_br3 = 0x01000081;
	#else /* 3 x 16 MB */
	size_b0 = 0x01000000;
	size_b1 = 0x01000000;
	size_b2 = 0x01000000;
	memctl->memc_mptpr = CFG_MPTPR;
	udelay (1000);
	memctl->memc_or1 = 0xFF000A00;
	memctl->memc_br1 = 0x00000081;
	memctl->memc_or2 = 0xFE000A00;
	memctl->memc_br2 = 0x01000081;
	memctl->memc_or3 = 0xFC000A00;
	memctl->memc_br3 = 0x02000081;
	#endif

	udelay (10000);

	return (size_b0 + size_b1 + size_b2);
	}

	/* ------------------------------------------------------------------------- */

	int misc_init_r (void)
	{
	#ifdef CONFIG_STATUS_LED
	volatile immap_t immap = (immap_t ) CFG_IMMR;
	#endif
	#ifdef CONFIG_KUP4K_LOGO
	bd_t *bd = gd->bd;

	lcd_logo (bd);
	#endif /* CONFIG_KUP4K_LOGO */
	#ifdef CONFIG_IDE_LED
	/* Configure PA8 as output port */
	immap->im_ioport.iop_padir \|= 0x80;
	immap->im_ioport.iop_paodr \|= 0x80;
	immap->im_ioport.iop_papar &= ~0x80;
	immap->im_ioport.iop_padat \|= 0x80; /* turn it off */
	#endif
	setenv("hw","4k");
	poweron_key();
	return (0);
	}

	#ifdef CONFIG_KUP4K_LOGO


	void lcd_logo (bd_t * bd)
	{
	FB_INFO_S1D13xxx fb_info;
	S1D_INDEX s1dReg;
	S1D_VALUE s1dValue;
	volatile immap_t immr = (immap_t ) CFG_IMMR;
	volatile memctl8xx_t *memctl;
	ushort i;
	uchar *fb;
	int rs, gs, bs;
	int r = 8, g = 8, b = 4;
	int r1, g1, b1;
	int n;
	char tmp[64]; /* long enough for environment variables */
	int tft = 0;

	immr->im_cpm.cp_pbpar &= ~(PB_LCD_PWM);
	immr->im_cpm.cp_pbodr &= ~(PB_LCD_PWM);
	immr->im_cpm.cp_pbdat &= ~(PB_LCD_PWM); /* set to 0 = enabled */
	immr->im_cpm.cp_pbdir \|= (PB_LCD_PWM);

	/----------------------------------------------------------------------------- /
	/* Initialize the chip and the frame buffer driver. */
	/----------------------------------------------------------------------------- /
	memctl = &immr->im_memctl;


	/*
	* Init ChipSelect #5 (S1D13768)
	*/
	memctl->memc_or5 = 0xFFC007F0; /* 4 MB 17 WS or externel TA */
	memctl->memc_br5 = 0x80080801; /* Start at 0x80080000 */
	__asm__ ("eieio");

	fb_info.VmemAddr = (unsigned char *) (S1D_PHYSICAL_VMEM_ADDR);
	fb_info.RegAddr = (unsigned char *) (S1D_PHYSICAL_REG_ADDR);

	if ((((S1D_VALUE *) fb_info.RegAddr)[0] != 0x28)
	\|\| (((S1D_VALUE *) fb_info.RegAddr)[1] != 0x14)) {
	printf ("Warning:LCD Controller S1D13706 not found\n");
	setenv ("lcd", "none");
	return;
	}


	for (i = 0; i < sizeof(aS1DRegs_prelimn) / sizeof(aS1DRegs_prelimn[0]); i++) {
	s1dReg = aS1DRegs_prelimn[i].Index;
	s1dValue = aS1DRegs_prelimn[i].Value;
	debugk ("s13768 reg: %02x value: %02x\n",
	aS1DRegs_prelimn[i].Index, aS1DRegs_prelimn[i].Value);
	((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] =
	s1dValue;
	}


	n = getenv_r ("lcd", tmp, sizeof (tmp));
	if (n > 0) {
	if (!strcmp ("tft", tmp))
	tft = 1;
	else
	tft = 0;
	}
	#if 0
	if (((S1D_VALUE *) fb_info.RegAddr)[0xAC] & 0x04)
	tft = 0;
	else
	tft = 1;
	#endif

	debugk ("Port=0x%02x -> TFT=%d\n", tft,
	((S1D_VALUE *) fb_info.RegAddr)[0xAC]);

	/* init controller */
	if (!tft) {
	for (i = 0; i < sizeof(aS1DRegs_stn) / sizeof(aS1DRegs_stn[0]); i++) {
	s1dReg = aS1DRegs_stn[i].Index;
	s1dValue = aS1DRegs_stn[i].Value;
	debugk ("s13768 reg: %02x value: %02x\n",
	aS1DRegs_stn[i].Index,
	aS1DRegs_stn[i].Value);
	((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof(S1D_VALUE)] =
	s1dValue;
	}
	n = getenv_r ("contrast", tmp, sizeof (tmp));
	((S1D_VALUE *) fb_info.RegAddr)[0xB3] =
	(n > 0) ? (uchar) simple_strtoul (tmp, NULL, 10) * 255 / 100 : 0xA0;
	switch (bd->bi_busfreq) {
	case 40000000:
	((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
	((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x41;
	break;
	case 48000000:
	((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x22;
	((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34;
	break;
	default:
	printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq);
	case 64000000:
	((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
	((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x66;
	break;
	}
	/* setenv("lcd","stn"); */
	} else {
	for (i = 0; i < sizeof(aS1DRegs_tft) / sizeof(aS1DRegs_tft[0]); i++) {
	s1dReg = aS1DRegs_tft[i].Index;
	s1dValue = aS1DRegs_tft[i].Value;
	debugk ("s13768 reg: %02x value: %02x\n",
	aS1DRegs_tft[i].Index,
	aS1DRegs_tft[i].Value);
	((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] =
	s1dValue;
	}

	switch (bd->bi_busfreq) {
	default:
	printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq);
	case 40000000:
	((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x42;
	((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x30;
	break;
	}
	/* setenv("lcd","tft"); */
	}

	/* create and set colormap */
	rs = 256 / (r - 1);
	gs = 256 / (g - 1);
	bs = 256 / (b - 1);
	for (i = 0; i < 256; i++) {
	r1 = (rs * ((i / (g * b)) % r)) * 255;
	g1 = (gs * ((i / b) % g)) * 255;
	b1 = (bs * ((i) % b)) * 255;
	debugk ("%d %04x %04x %04x\n", i, r1 >> 4, g1 >> 4, b1 >> 4);
	S1D_WRITE_PALETTE (fb_info.RegAddr, i, (r1 >> 4), (g1 >> 4),
	(b1 >> 4));
	}

	/* copy bitmap */
	fb = (uchar *) (fb_info.VmemAddr);
	memcpy (fb, (uchar ) CONFIG_KUP4K_LOGO, 320 240);
	}
	#endif /* CONFIG_KUP4K_LOGO */