board/prodrive/alpr/alpr.c - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2006
  * Stefan Roese, DENX Software Engineering, sr@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
  */


 #include <common.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <spd_sdram.h>
 #include <ppc4xx_enet.h>
 #include <miiphy.h>
 #include <asm/processor.h>

 DECLARE_GLOBAL_DATA_PTR;

 extern int alpr_fpga_init(void);

 int board_early_init_f (void)
 {
 	/*-------------------------------------------------------------------------
 	 * Initialize EBC CONFIG
 	 *-------------------------------------------------------------------------*/
 	mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
 	      EBC_CFG_PTD_DISABLE | EBC_CFG_RTC_64PERCLK |
 	      EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
 	      EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT |
 	      EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);

 	/*--------------------------------------------------------------------
 	 * Setup the interrupt controller polarities, triggers, etc.
 	 *-------------------------------------------------------------------*/
 	mtdcr (uic0sr, 0xffffffff);	/* clear all */
 	mtdcr (uic0er, 0x00000000);	/* disable all */
 	mtdcr (uic0cr, 0x00000009);	/* SMI & UIC1 crit are critical */
 	mtdcr (uic0pr, 0xfffffe03);	/* per manual */
 	mtdcr (uic0tr, 0x01c00000);	/* per manual */
 	mtdcr (uic0vr, 0x00000001);	/* int31 highest, base=0x000 */
 	mtdcr (uic0sr, 0xffffffff);	/* clear all */

 	mtdcr (uic1sr, 0xffffffff);	/* clear all */
 	mtdcr (uic1er, 0x00000000);	/* disable all */
 	mtdcr (uic1cr, 0x00000000);	/* all non-critical */
 	mtdcr (uic1pr, 0xffffe0ff);	/* per ref-board manual */
 	mtdcr (uic1tr, 0x00ffc000);	/* per ref-board manual */
 	mtdcr (uic1vr, 0x00000001);	/* int31 highest, base=0x000 */
 	mtdcr (uic1sr, 0xffffffff);	/* clear all */

 	mtdcr (uic2sr, 0xffffffff);	/* clear all */
 	mtdcr (uic2er, 0x00000000);	/* disable all */
 	mtdcr (uic2cr, 0x00000000);	/* all non-critical */
 	mtdcr (uic2pr, 0xffffffff);	/* per ref-board manual */
 	mtdcr (uic2tr, 0x00ff8c0f);	/* per ref-board manual */
 	mtdcr (uic2vr, 0x00000001);	/* int31 highest, base=0x000 */
 	mtdcr (uic2sr, 0xffffffff);	/* clear all */

 	mtdcr (uicb0sr, 0xfc000000); /* clear all */
 	mtdcr (uicb0er, 0x00000000); /* disable all */
 	mtdcr (uicb0cr, 0x00000000); /* all non-critical */
 	mtdcr (uicb0pr, 0xfc000000); /* */
 	mtdcr (uicb0tr, 0x00000000); /* */
 	mtdcr (uicb0vr, 0x00000001); /* */

 	/* Setup shutdown/SSD empty interrupt as inputs */
 	out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_SHUTDOWN | CFG_GPIO_SSD_EMPTY));
 	out32(GPIO0_ODR, in32(GPIO0_ODR) & ~(CFG_GPIO_SHUTDOWN | CFG_GPIO_SSD_EMPTY));

 	/* Setup GPIO/IRQ multiplexing */
 	mtsdr(sdr_pfc0, 0x01a33e00);

 	return 0;
 }

 int last_stage_init(void)
 {
 	unsigned short reg;

 	/*
 	 * Configure LED's of both Marvell 88E1111 PHY's
 	 *
 	 * This has to be done after the 4xx ethernet driver is loaded,
 	 * so "last_stage_init()" is the right place.
 	 */
 	miiphy_read("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, &reg);
 	reg |= 0x0001;
 	miiphy_write("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, reg);
 	miiphy_read("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, &reg);
 	reg |= 0x0001;
 	miiphy_write("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, reg);

 	return 0;
 }

 static int board_rev(void)
 {
 	/* Setup as input */
 	out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_REV0 | CFG_GPIO_REV1));
 	out32(GPIO0_ODR, in32(GPIO0_ODR) & ~(CFG_GPIO_REV0 | CFG_GPIO_REV1));

 	return (in32(GPIO0_IR) >> 16) & 0x3;
 }

 int checkboard (void)
 {
 	char *s = getenv ("serial#");

 	printf ("Board: ALPR");
 	if (s != NULL) {
 		puts (", serial# ");
 		puts (s);
 	}
 	printf(" (Rev. %d)\n", board_rev());

 	return (0);
 }

 #if defined(CFG_DRAM_TEST)
 int testdram (void)
 {
 	uint *pstart = (uint *) 0x00000000;
 	uint *pend = (uint *) 0x08000000;
 	uint *p;

 	for (p = pstart; p < pend; p++)
 		*p = 0xaaaaaaaa;

 	for (p = pstart; p < pend; p++) {
 		if (*p != 0xaaaaaaaa) {
 			printf ("SDRAM test fails at: %08x\n", (uint) p);
 			return 1;
 		}
 	}

 	for (p = pstart; p < pend; p++)
 		*p = 0x55555555;

 	for (p = pstart; p < pend; p++) {
 		if (*p != 0x55555555) {
 			printf ("SDRAM test fails at: %08x\n", (uint) p);
 			return 1;
 		}
 	}
 	return 0;
 }
 #endif

 /*************************************************************************
  *  pci_pre_init
  *
  *  This routine is called just prior to registering the hose and gives
  *  the board the opportunity to check things. Returning a value of zero
  *  indicates that things are bad & PCI initialization should be aborted.
  *
  *	Different boards may wish to customize the pci controller structure
  *	(add regions, override default access routines, etc) or perform
  *	certain pre-initialization actions.
  *
  ************************************************************************/
 #if defined(CONFIG_PCI)
 int pci_pre_init(struct pci_controller * hose )
 {
 	unsigned long strap;

 	/*--------------------------------------------------------------------------+
 	 *	The ocotea board is always configured as the host & requires the
 	 *	PCI arbiter to be enabled.
 	 *--------------------------------------------------------------------------*/
 	mfsdr(sdr_sdstp1, strap);
 	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
 		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
 		return 0;
 	}

 	/* FPGA Init */
 	alpr_fpga_init ();

 	return 1;
 }
 #endif /* defined(CONFIG_PCI) */

 /*************************************************************************
  *  pci_target_init
  *
  *	The bootstrap configuration provides default settings for the pci
  *	inbound map (PIM). But the bootstrap config choices are limited and
  *	may not be sufficient for a given board.
  *
  ************************************************************************/
 #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
 void pci_target_init(struct pci_controller * hose )
 {
 	/*--------------------------------------------------------------------------+
 	 * Disable everything
 	 *--------------------------------------------------------------------------*/
 	out32r( PCIX0_PIM0SA, 0 ); /* disable */
 	out32r( PCIX0_PIM1SA, 0 ); /* disable */
 	out32r( PCIX0_PIM2SA, 0 ); /* disable */
 	out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */

 	/*--------------------------------------------------------------------------+
 	 * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping
 	 * options to not support sizes such as 128/256 MB.
 	 *--------------------------------------------------------------------------*/
 	out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE );
 	out32r( PCIX0_PIM0LAH, 0 );
 	out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );

 	out32r( PCIX0_BAR0, 0 );

 	/*--------------------------------------------------------------------------+
 	 * Program the board's subsystem id/vendor id
 	 *--------------------------------------------------------------------------*/
 	out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID );
 	out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID );

 	out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
 }
 #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */

 /*************************************************************************
  *  is_pci_host
  *
  *	This routine is called to determine if a pci scan should be
  *	performed. With various hardware environments (especially cPCI and
  *	PPMC) it's insufficient to depend on the state of the arbiter enable
  *	bit in the strap register, or generic host/adapter assumptions.
  *
  *	Rather than hard-code a bad assumption in the general 440 code, the
  *	440 pci code requires the board to decide at runtime.
  *
  *	Return 0 for adapter mode, non-zero for host (monarch) mode.
  *
  *
  ************************************************************************/
 #if defined(CONFIG_PCI)

 static void wait_for_pci_ready(void)
 {
 	/*
 	 * Configure EREADY as input
 	 */
 	out32(GPIO0_TCR, in32(GPIO0_TCR) & ~CFG_GPIO_EREADY);
 	udelay(1000);

 	for (;;) {
 		if (in32(GPIO0_IR) & CFG_GPIO_EREADY)
 			return;
 	}

 }

 int is_pci_host(struct pci_controller *hose)
 {
 	wait_for_pci_ready();
 	return 1;		/* return 1 for host controller */
 }
 #endif /* defined(CONFIG_PCI) */

 /*************************************************************************
  *  pci_master_init
  *
  ************************************************************************/
 #if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
 void pci_master_init(struct pci_controller *hose)
 {
 	/*--------------------------------------------------------------------------+
 	  | PowerPC440 PCI Master configuration.
 	  | Map PLB/processor addresses to PCI memory space.
 	  |   PLB address 0xA0000000-0xCFFFFFFF ==> PCI address 0x80000000-0xCFFFFFFF
 	  |   Use byte reversed out routines to handle endianess.
 	  | Make this region non-prefetchable.
 	  +--------------------------------------------------------------------------*/
 	out32r( PCIX0_POM0SA, 0 ); /* disable */
 	out32r( PCIX0_POM1SA, 0 ); /* disable */
 	out32r( PCIX0_POM2SA, 0 ); /* disable */

 	out32r(PCIX0_POM0LAL, CFG_PCI_MEMBASE);	/* PMM0 Local Address */
 	out32r(PCIX0_POM0LAH, 0x00000003);	/* PMM0 Local Address */
 	out32r(PCIX0_POM0PCIAL, CFG_PCI_MEMBASE);	/* PMM0 PCI Low Address */
 	out32r(PCIX0_POM0PCIAH, 0x00000000);	/* PMM0 PCI High Address */
 	out32r(PCIX0_POM0SA, ~(0x10000000 - 1) | 1);	/* 256MB + enable region */

 	out32r(PCIX0_POM1LAL, CFG_PCI_MEMBASE2);	/* PMM0 Local Address */
 	out32r(PCIX0_POM1LAH, 0x00000003);	/* PMM0 Local Address */
 	out32r(PCIX0_POM1PCIAL, CFG_PCI_MEMBASE2);	/* PMM0 PCI Low Address */
 	out32r(PCIX0_POM1PCIAH, 0x00000000);	/* PMM0 PCI High Address */
 	out32r(PCIX0_POM1SA, ~(0x10000000 - 1) | 1);	/* 256MB + enable region */
 }
 #endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */

 #ifdef CONFIG_POST
 /*
  * Returns 1 if keys pressed to start the power-on long-running tests
  * Called from board_init_f().
  */
 int post_hotkeys_pressed(void)
 {

 	return (ctrlc());
 }
 #endif

 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 void ft_board_setup(void *blob, bd_t *bd)
 {
 	u32 val[4];
 	int rc;

 	ft_cpu_setup(blob, bd);

 	/* Fixup NOR mapping */
 	val[0] = 0;				/* chip select number */
 	val[1] = 0;				/* always 0 */
 	val[2] = gd->bd->bi_flashstart;
 	val[3] = gd->bd->bi_flashsize;
 	rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
 				  val, sizeof(val), 1);
 	if (rc)
 		printf("Unable to update property NOR mapping, err=%s\n",
 		       fdt_strerror(rc));
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
	/*
	* (C) Copyright 2006
	* Stefan Roese, DENX Software Engineering, sr@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
	*/


	#include <common.h>
	#include <libfdt.h>
	#include <fdt_support.h>
	#include <spd_sdram.h>
	#include <ppc4xx_enet.h>
	#include <miiphy.h>
	#include <asm/processor.h>

	DECLARE_GLOBAL_DATA_PTR;

	extern int alpr_fpga_init(void);

	int board_early_init_f (void)
	{
	/*-------------------------------------------------------------------------
	* Initialize EBC CONFIG
	-------------------------------------------------------------------------/
	mtebc(xbcfg, EBC_CFG_LE_UNLOCK \|
	EBC_CFG_PTD_DISABLE \| EBC_CFG_RTC_64PERCLK \|
	EBC_CFG_ATC_PREVIOUS \| EBC_CFG_DTC_PREVIOUS \|
	EBC_CFG_CTC_PREVIOUS \| EBC_CFG_EMC_NONDEFAULT \|
	EBC_CFG_PME_DISABLE \| EBC_CFG_PR_32);

	/*--------------------------------------------------------------------
	* Setup the interrupt controller polarities, triggers, etc.
	-------------------------------------------------------------------/
	mtdcr (uic0sr, 0xffffffff); /* clear all */
	mtdcr (uic0er, 0x00000000); /* disable all */
	mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */
	mtdcr (uic0pr, 0xfffffe03); /* per manual */
	mtdcr (uic0tr, 0x01c00000); /* per manual */
	mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
	mtdcr (uic0sr, 0xffffffff); /* clear all */

	mtdcr (uic1sr, 0xffffffff); /* clear all */
	mtdcr (uic1er, 0x00000000); /* disable all */
	mtdcr (uic1cr, 0x00000000); /* all non-critical */
	mtdcr (uic1pr, 0xffffe0ff); /* per ref-board manual */
	mtdcr (uic1tr, 0x00ffc000); /* per ref-board manual */
	mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
	mtdcr (uic1sr, 0xffffffff); /* clear all */

	mtdcr (uic2sr, 0xffffffff); /* clear all */
	mtdcr (uic2er, 0x00000000); /* disable all */
	mtdcr (uic2cr, 0x00000000); /* all non-critical */
	mtdcr (uic2pr, 0xffffffff); /* per ref-board manual */
	mtdcr (uic2tr, 0x00ff8c0f); /* per ref-board manual */
	mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
	mtdcr (uic2sr, 0xffffffff); /* clear all */

	mtdcr (uicb0sr, 0xfc000000); /* clear all */
	mtdcr (uicb0er, 0x00000000); /* disable all */
	mtdcr (uicb0cr, 0x00000000); /* all non-critical */
	mtdcr (uicb0pr, 0xfc000000); /* */
	mtdcr (uicb0tr, 0x00000000); /* */
	mtdcr (uicb0vr, 0x00000001); /* */

	/* Setup shutdown/SSD empty interrupt as inputs */
	out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_SHUTDOWN \| CFG_GPIO_SSD_EMPTY));
	out32(GPIO0_ODR, in32(GPIO0_ODR) & ~(CFG_GPIO_SHUTDOWN \| CFG_GPIO_SSD_EMPTY));

	/* Setup GPIO/IRQ multiplexing */
	mtsdr(sdr_pfc0, 0x01a33e00);

	return 0;
	}

	int last_stage_init(void)
	{
	unsigned short reg;

	/*
	* Configure LED's of both Marvell 88E1111 PHY's
	*
	* This has to be done after the 4xx ethernet driver is loaded,
	* so "last_stage_init()" is the right place.
	*/
	miiphy_read("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, &reg);
	reg \|= 0x0001;
	miiphy_write("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, reg);
	miiphy_read("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, &reg);
	reg \|= 0x0001;
	miiphy_write("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, reg);

	return 0;
	}

	static int board_rev(void)
	{
	/* Setup as input */
	out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_REV0 \| CFG_GPIO_REV1));
	out32(GPIO0_ODR, in32(GPIO0_ODR) & ~(CFG_GPIO_REV0 \| CFG_GPIO_REV1));

	return (in32(GPIO0_IR) >> 16) & 0x3;
	}

	int checkboard (void)
	{
	char *s = getenv ("serial#");

	printf ("Board: ALPR");
	if (s != NULL) {
	puts (", serial# ");
	puts (s);
	}
	printf(" (Rev. %d)\n", board_rev());

	return (0);
	}

	#if defined(CFG_DRAM_TEST)
	int testdram (void)
	{
	uint pstart = (uint ) 0x00000000;
	uint pend = (uint ) 0x08000000;
	uint *p;

	for (p = pstart; p < pend; p++)
	*p = 0xaaaaaaaa;

	for (p = pstart; p < pend; p++) {
	if (*p != 0xaaaaaaaa) {
	printf ("SDRAM test fails at: %08x\n", (uint) p);
	return 1;
	}
	}

	for (p = pstart; p < pend; p++)
	*p = 0x55555555;

	for (p = pstart; p < pend; p++) {
	if (*p != 0x55555555) {
	printf ("SDRAM test fails at: %08x\n", (uint) p);
	return 1;
	}
	}
	return 0;
	}
	#endif

	/*************************************************************************
	* pci_pre_init
	*
	* This routine is called just prior to registering the hose and gives
	* the board the opportunity to check things. Returning a value of zero
	* indicates that things are bad & PCI initialization should be aborted.
	*
	* Different boards may wish to customize the pci controller structure
	* (add regions, override default access routines, etc) or perform
	* certain pre-initialization actions.
	*
	************************************************************************/
	#if defined(CONFIG_PCI)
	int pci_pre_init(struct pci_controller * hose )
	{
	unsigned long strap;

	/*--------------------------------------------------------------------------+
	* The ocotea board is always configured as the host & requires the
	* PCI arbiter to be enabled.
	--------------------------------------------------------------------------/
	mfsdr(sdr_sdstp1, strap);
	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
	printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
	return 0;
	}

	/* FPGA Init */
	alpr_fpga_init ();

	return 1;
	}
	#endif /* defined(CONFIG_PCI) */

	/*************************************************************************
	* pci_target_init
	*
	* The bootstrap configuration provides default settings for the pci
	* inbound map (PIM). But the bootstrap config choices are limited and
	* may not be sufficient for a given board.
	*
	************************************************************************/
	#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
	void pci_target_init(struct pci_controller * hose )
	{
	/*--------------------------------------------------------------------------+
	* Disable everything
	--------------------------------------------------------------------------/
	out32r( PCIX0_PIM0SA, 0 ); /* disable */
	out32r( PCIX0_PIM1SA, 0 ); /* disable */
	out32r( PCIX0_PIM2SA, 0 ); /* disable */
	out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */

	/*--------------------------------------------------------------------------+
	* Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping
	* options to not support sizes such as 128/256 MB.
	--------------------------------------------------------------------------/
	out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE );
	out32r( PCIX0_PIM0LAH, 0 );
	out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) \| 1 );

	out32r( PCIX0_BAR0, 0 );

	/*--------------------------------------------------------------------------+
	* Program the board's subsystem id/vendor id
	--------------------------------------------------------------------------/
	out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID );
	out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID );

	out16r( PCIX0_CMD, in16r(PCIX0_CMD) \| PCI_COMMAND_MEMORY \| PCI_COMMAND_MASTER);
	}
	#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */

	/*************************************************************************
	* is_pci_host
	*
	* This routine is called to determine if a pci scan should be
	* performed. With various hardware environments (especially cPCI and
	* PPMC) it's insufficient to depend on the state of the arbiter enable
	* bit in the strap register, or generic host/adapter assumptions.
	*
	* Rather than hard-code a bad assumption in the general 440 code, the
	* 440 pci code requires the board to decide at runtime.
	*
	* Return 0 for adapter mode, non-zero for host (monarch) mode.
	*
	*
	************************************************************************/
	#if defined(CONFIG_PCI)

	static void wait_for_pci_ready(void)
	{
	/*
	* Configure EREADY as input
	*/
	out32(GPIO0_TCR, in32(GPIO0_TCR) & ~CFG_GPIO_EREADY);
	udelay(1000);

	for (;;) {
	if (in32(GPIO0_IR) & CFG_GPIO_EREADY)
	return;
	}

	}

	int is_pci_host(struct pci_controller *hose)
	{
	wait_for_pci_ready();
	return 1; /* return 1 for host controller */
	}
	#endif /* defined(CONFIG_PCI) */

	/*************************************************************************
	* pci_master_init
	*
	************************************************************************/
	#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
	void pci_master_init(struct pci_controller *hose)
	{
	/*--------------------------------------------------------------------------+
	\| PowerPC440 PCI Master configuration.
	\| Map PLB/processor addresses to PCI memory space.
	\| PLB address 0xA0000000-0xCFFFFFFF ==> PCI address 0x80000000-0xCFFFFFFF
	\| Use byte reversed out routines to handle endianess.
	\| Make this region non-prefetchable.
	+--------------------------------------------------------------------------*/
	out32r( PCIX0_POM0SA, 0 ); /* disable */
	out32r( PCIX0_POM1SA, 0 ); /* disable */
	out32r( PCIX0_POM2SA, 0 ); /* disable */

	out32r(PCIX0_POM0LAL, CFG_PCI_MEMBASE); /* PMM0 Local Address */
	out32r(PCIX0_POM0LAH, 0x00000003); /* PMM0 Local Address */
	out32r(PCIX0_POM0PCIAL, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
	out32r(PCIX0_POM0PCIAH, 0x00000000); /* PMM0 PCI High Address */
	out32r(PCIX0_POM0SA, ~(0x10000000 - 1) \| 1); /* 256MB + enable region */

	out32r(PCIX0_POM1LAL, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
	out32r(PCIX0_POM1LAH, 0x00000003); /* PMM0 Local Address */
	out32r(PCIX0_POM1PCIAL, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
	out32r(PCIX0_POM1PCIAH, 0x00000000); /* PMM0 PCI High Address */
	out32r(PCIX0_POM1SA, ~(0x10000000 - 1) \| 1); /* 256MB + enable region */
	}
	#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */

	#ifdef CONFIG_POST
	/*
	* Returns 1 if keys pressed to start the power-on long-running tests
	* Called from board_init_f().
	*/
	int post_hotkeys_pressed(void)
	{

	return (ctrlc());
	}
	#endif

	#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
	void ft_board_setup(void blob, bd_t bd)
	{
	u32 val[4];
	int rc;

	ft_cpu_setup(blob, bd);

	/* Fixup NOR mapping */
	val[0] = 0; /* chip select number */
	val[1] = 0; /* always 0 */
	val[2] = gd->bd->bi_flashstart;
	val[3] = gd->bd->bi_flashsize;
	rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
	val, sizeof(val), 1);
	if (rc)
	printf("Unable to update property NOR mapping, err=%s\n",
	fdt_strerror(rc));
	}
	#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */