board/freescale/mpc8568mds/mpc8568mds.c - filogic/uboot - Gitiles

 /*
  * Copyright 2007 Freescale Semiconductor.
  *
  * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
  *
  * 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 <pci.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
 #include <spd_sdram.h>
 #include <i2c.h>
 #include <ioports.h>
 #include <libfdt.h>
 #include <fdt_support.h>

 #include "bcsr.h"

 const qe_iop_conf_t qe_iop_conf_tab[] = {
 	/* GETH1 */
 	{4, 10, 1, 0, 2}, /* TxD0 */
 	{4,  9, 1, 0, 2}, /* TxD1 */
 	{4,  8, 1, 0, 2}, /* TxD2 */
 	{4,  7, 1, 0, 2}, /* TxD3 */
 	{4, 23, 1, 0, 2}, /* TxD4 */
 	{4, 22, 1, 0, 2}, /* TxD5 */
 	{4, 21, 1, 0, 2}, /* TxD6 */
 	{4, 20, 1, 0, 2}, /* TxD7 */
 	{4, 15, 2, 0, 2}, /* RxD0 */
 	{4, 14, 2, 0, 2}, /* RxD1 */
 	{4, 13, 2, 0, 2}, /* RxD2 */
 	{4, 12, 2, 0, 2}, /* RxD3 */
 	{4, 29, 2, 0, 2}, /* RxD4 */
 	{4, 28, 2, 0, 2}, /* RxD5 */
 	{4, 27, 2, 0, 2}, /* RxD6 */
 	{4, 26, 2, 0, 2}, /* RxD7 */
 	{4, 11, 1, 0, 2}, /* TX_EN */
 	{4, 24, 1, 0, 2}, /* TX_ER */
 	{4, 16, 2, 0, 2}, /* RX_DV */
 	{4, 30, 2, 0, 2}, /* RX_ER */
 	{4, 17, 2, 0, 2}, /* RX_CLK */
 	{4, 19, 1, 0, 2}, /* GTX_CLK */
 	{1, 31, 2, 0, 3}, /* GTX125 */

 	/* GETH2 */
 	{5, 10, 1, 0, 2}, /* TxD0 */
 	{5,  9, 1, 0, 2}, /* TxD1 */
 	{5,  8, 1, 0, 2}, /* TxD2 */
 	{5,  7, 1, 0, 2}, /* TxD3 */
 	{5, 23, 1, 0, 2}, /* TxD4 */
 	{5, 22, 1, 0, 2}, /* TxD5 */
 	{5, 21, 1, 0, 2}, /* TxD6 */
 	{5, 20, 1, 0, 2}, /* TxD7 */
 	{5, 15, 2, 0, 2}, /* RxD0 */
 	{5, 14, 2, 0, 2}, /* RxD1 */
 	{5, 13, 2, 0, 2}, /* RxD2 */
 	{5, 12, 2, 0, 2}, /* RxD3 */
 	{5, 29, 2, 0, 2}, /* RxD4 */
 	{5, 28, 2, 0, 2}, /* RxD5 */
 	{5, 27, 2, 0, 3}, /* RxD6 */
 	{5, 26, 2, 0, 2}, /* RxD7 */
 	{5, 11, 1, 0, 2}, /* TX_EN */
 	{5, 24, 1, 0, 2}, /* TX_ER */
 	{5, 16, 2, 0, 2}, /* RX_DV */
 	{5, 30, 2, 0, 2}, /* RX_ER */
 	{5, 17, 2, 0, 2}, /* RX_CLK */
 	{5, 19, 1, 0, 2}, /* GTX_CLK */
 	{1, 31, 2, 0, 3}, /* GTX125 */
 	{4,  6, 3, 0, 2}, /* MDIO */
 	{4,  5, 1, 0, 2}, /* MDC */

 	/* UART1 */
 	{2, 0, 1, 0, 2}, /* UART_SOUT1 */
 	{2, 1, 1, 0, 2}, /* UART_RTS1 */
 	{2, 2, 2, 0, 2}, /* UART_CTS1 */
 	{2, 3, 2, 0, 2}, /* UART_SIN1 */

 	{0,  0, 0, 0, QE_IOP_TAB_END}, /* END of table */
 };

 void local_bus_init(void);
 void sdram_init(void);

 int board_early_init_f (void)
 {
 	/*
 	 * Initialize local bus.
 	 */
 	local_bus_init ();

 	enable_8568mds_duart();
 	enable_8568mds_flash_write();
 #if defined(CONFIG_UEC_ETH1) || defined(CONFIG_UEC_ETH2)
 	reset_8568mds_uccs();
 #endif
 #if defined(CONFIG_QE) && !defined(CONFIG_eTSEC_MDIO_BUS)
 	enable_8568mds_qe_mdio();
 #endif

 #ifdef CONFIG_SYS_I2C2_OFFSET
 	/* Enable I2C2_SCL and I2C2_SDA */
 	volatile struct par_io *port_c;
 	port_c = (struct par_io*)(CONFIG_SYS_IMMR + 0xe0140);
 	port_c->cpdir2 |= 0x0f000000;
 	port_c->cppar2 &= ~0x0f000000;
 	port_c->cppar2 |= 0x0a000000;
 #endif

 	return 0;
 }

 int checkboard (void)
 {
 	printf ("Board: 8568 MDS\n");

 	return 0;
 }

 phys_size_t
 initdram(int board_type)
 {
 	long dram_size = 0;

 	puts("Initializing\n");

 #if defined(CONFIG_DDR_DLL)
 	{
 		/*
 		 * Work around to stabilize DDR DLL MSYNC_IN.
 		 * Errata DDR9 seems to have been fixed.
 		 * This is now the workaround for Errata DDR11:
 		 *    Override DLL = 1, Course Adj = 1, Tap Select = 0
 		 */

 		volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);

 		gur->ddrdllcr = 0x81000000;
 		asm("sync;isync;msync");
 		udelay(200);
 	}
 #endif

 	dram_size = fsl_ddr_sdram();
 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
 	dram_size *= 0x100000;

 	/*
 	 * SDRAM Initialization
 	 */
 	sdram_init();

 	puts("    DDR: ");
 	return dram_size;
 }

 /*
  * Initialize Local Bus
  */
 void
 local_bus_init(void)
 {
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);

 	uint clkdiv;
 	uint lbc_hz;
 	sys_info_t sysinfo;

 	get_sys_info(&sysinfo);
 	clkdiv = (lbc->lcrr & LCRR_CLKDIV) * 2;
 	lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;

 	gur->lbiuiplldcr1 = 0x00078080;
 	if (clkdiv == 16) {
 		gur->lbiuiplldcr0 = 0x7c0f1bf0;
 	} else if (clkdiv == 8) {
 		gur->lbiuiplldcr0 = 0x6c0f1bf0;
 	} else if (clkdiv == 4) {
 		gur->lbiuiplldcr0 = 0x5c0f1bf0;
 	}

 	lbc->lcrr |= 0x00030000;

 	asm("sync;isync;msync");
 }

 /*
  * Initialize SDRAM memory on the Local Bus.
  */
 void
 sdram_init(void)
 {
 #if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)

 	uint idx;
 	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
 	uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
 	uint lsdmr_common;

 	puts("    SDRAM: ");

 	print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n");

 	/*
 	 * Setup SDRAM Base and Option Registers
 	 */
 	lbc->or2 = CONFIG_SYS_OR2_PRELIM;
 	asm("msync");

 	lbc->br2 = CONFIG_SYS_BR2_PRELIM;
 	asm("msync");

 	lbc->lbcr = CONFIG_SYS_LBC_LBCR;
 	asm("msync");


 	lbc->lsrt = CONFIG_SYS_LBC_LSRT;
 	lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
 	asm("msync");

 	/*
 	 * MPC8568 uses "new" 15-16 style addressing.
 	 */
 	lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
 	lsdmr_common |= LSDMR_BSMA1516;

 	/*
 	 * Issue PRECHARGE ALL command.
 	 */
 	lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL;
 	asm("sync;msync");
 	*sdram_addr = 0xff;
 	ppcDcbf((unsigned long) sdram_addr);
 	udelay(100);

 	/*
 	 * Issue 8 AUTO REFRESH commands.
 	 */
 	for (idx = 0; idx < 8; idx++) {
 		lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH;
 		asm("sync;msync");
 		*sdram_addr = 0xff;
 		ppcDcbf((unsigned long) sdram_addr);
 		udelay(100);
 	}

 	/*
 	 * Issue 8 MODE-set command.
 	 */
 	lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW;
 	asm("sync;msync");
 	*sdram_addr = 0xff;
 	ppcDcbf((unsigned long) sdram_addr);
 	udelay(100);

 	/*
 	 * Issue NORMAL OP command.
 	 */
 	lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL;
 	asm("sync;msync");
 	*sdram_addr = 0xff;
 	ppcDcbf((unsigned long) sdram_addr);
 	udelay(200);    /* Overkill. Must wait > 200 bus cycles */

 #endif	/* enable SDRAM init */
 }

 #if defined(CONFIG_PCI)
 #ifndef CONFIG_PCI_PNP
 static struct pci_config_table pci_mpc8568mds_config_table[] = {
 	{
 	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 	 pci_cfgfunc_config_device,
 	 {PCI_ENET0_IOADDR,
 	  PCI_ENET0_MEMADDR,
 	  PCI_COMMON_MEMORY | PCI_COMMAND_MASTER}
 	 },
 	{}
 };
 #endif

 static struct pci_controller pci1_hose = {
 #ifndef CONFIG_PCI_PNP
 	config_table: pci_mpc8568mds_config_table,
 #endif
 };
 #endif	/* CONFIG_PCI */

 #ifdef CONFIG_PCIE1
 static struct pci_controller pcie1_hose;
 #endif  /* CONFIG_PCIE1 */

 int first_free_busno = 0;

 /*
  * pib_init() -- Initialize the PCA9555 IO expander on the PIB board
  */
 void
 pib_init(void)
 {
 	u8 val8, orig_i2c_bus;
 	/*
 	 * Assign PIB PMC2/3 to PCI bus
 	 */

 	/*switch temporarily to I2C bus #2 */
 	orig_i2c_bus = i2c_get_bus_num();
 	i2c_set_bus_num(1);

 	val8 = 0x00;
 	i2c_write(0x23, 0x6, 1, &val8, 1);
 	i2c_write(0x23, 0x7, 1, &val8, 1);
 	val8 = 0xff;
 	i2c_write(0x23, 0x2, 1, &val8, 1);
 	i2c_write(0x23, 0x3, 1, &val8, 1);

 	val8 = 0x00;
 	i2c_write(0x26, 0x6, 1, &val8, 1);
 	val8 = 0x34;
 	i2c_write(0x26, 0x7, 1, &val8, 1);
 	val8 = 0xf9;
 	i2c_write(0x26, 0x2, 1, &val8, 1);
 	val8 = 0xff;
 	i2c_write(0x26, 0x3, 1, &val8, 1);

 	val8 = 0x00;
 	i2c_write(0x27, 0x6, 1, &val8, 1);
 	i2c_write(0x27, 0x7, 1, &val8, 1);
 	val8 = 0xff;
 	i2c_write(0x27, 0x2, 1, &val8, 1);
 	val8 = 0xef;
 	i2c_write(0x27, 0x3, 1, &val8, 1);

 	asm("eieio");
 }

 #ifdef CONFIG_PCI
 void
 pci_init_board(void)
 {
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
 	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;

 #ifdef CONFIG_PCI1
 {
 	pib_init();

 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
 	struct pci_controller *hose = &pci1_hose;
 	struct pci_region *r = hose->regions;

 	uint pci_32 = 1;      /* PORDEVSR[15] */
 	uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;       /* PORDEVSR[14] */
 	uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;   /* PORPLLSR[16] */

 	uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6);

 	uint pci_speed = 66666000;

 	if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
 		printf ("    PCI: %d bit, %s MHz, %s, %s, %s\n",
 			(pci_32) ? 32 : 64,
 			(pci_speed == 33333000) ? "33" :
 			(pci_speed == 66666000) ? "66" : "unknown",
 			pci_clk_sel ? "sync" : "async",
 			pci_agent ? "agent" : "host",
 			pci_arb ? "arbiter" : "external-arbiter"
 			);

 		/* outbound memory */
 		pci_set_region(r++,
 				CONFIG_SYS_PCI1_MEM_BUS,
 				CONFIG_SYS_PCI1_MEM_PHYS,
 				CONFIG_SYS_PCI1_MEM_SIZE,
 				PCI_REGION_MEM);

 		/* outbound io */
 		pci_set_region(r++,
 				CONFIG_SYS_PCI1_IO_BUS,
 				CONFIG_SYS_PCI1_IO_PHYS,
 				CONFIG_SYS_PCI1_IO_SIZE,
 				PCI_REGION_IO);

 		hose->region_count = r - hose->regions;

 		hose->first_busno = first_free_busno;

 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
 		first_free_busno = hose->last_busno+1;
 		printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
 	} else {
 	printf ("    PCI: disabled\n");
 	}
 }
 #else
 	gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
 #endif

 #ifdef CONFIG_PCIE1
 {
 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
 	struct pci_controller *hose = &pcie1_hose;
 	int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
 	struct pci_region *r = hose->regions;

 	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);

 	if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
 		printf ("\n    PCIE connected to slot as %s (base address %x)",
 			pcie_ep ? "End Point" : "Root Complex",
 			(uint)pci);

 		if (pci->pme_msg_det) {
 			pci->pme_msg_det = 0xffffffff;
 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
 		}
 		printf ("\n");

 		/* outbound memory */
 		pci_set_region(r++,
 				CONFIG_SYS_PCIE1_MEM_BUS,
 				CONFIG_SYS_PCIE1_MEM_PHYS,
 				CONFIG_SYS_PCIE1_MEM_SIZE,
 				PCI_REGION_MEM);

 		/* outbound io */
 		pci_set_region(r++,
 				CONFIG_SYS_PCIE1_IO_BUS,
 				CONFIG_SYS_PCIE1_IO_PHYS,
 				CONFIG_SYS_PCIE1_IO_SIZE,
 				PCI_REGION_IO);

 		hose->region_count = r - hose->regions;

 		hose->first_busno=first_free_busno;

 		fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
 		printf ("PCIE on bus %02x - %02x\n",hose->first_busno,hose->last_busno);

 		first_free_busno=hose->last_busno+1;

 	} else {
 		printf ("    PCIE: disabled\n");
 	}
 }
 #else
 	gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
 #endif
 }
 #endif /* CONFIG_PCI */

 #if defined(CONFIG_OF_BOARD_SETUP)
 void ft_board_setup(void *blob, bd_t *bd)
 {
 	ft_cpu_setup(blob, bd);

 #ifdef CONFIG_PCI1
 	ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
 #endif
 #ifdef CONFIG_PCIE1
 	ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
 #endif
 }
 #endif
	/*
	* Copyright 2007 Freescale Semiconductor.
	*
	* (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
	*
	* 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 <pci.h>
	#include <asm/processor.h>
	#include <asm/mmu.h>
	#include <asm/immap_85xx.h>
	#include <asm/fsl_pci.h>
	#include <asm/fsl_ddr_sdram.h>
	#include <spd_sdram.h>
	#include <i2c.h>
	#include <ioports.h>
	#include <libfdt.h>
	#include <fdt_support.h>

	#include "bcsr.h"

	const qe_iop_conf_t qe_iop_conf_tab[] = {
	/* GETH1 */
	{4, 10, 1, 0, 2}, /* TxD0 */
	{4, 9, 1, 0, 2}, /* TxD1 */
	{4, 8, 1, 0, 2}, /* TxD2 */
	{4, 7, 1, 0, 2}, /* TxD3 */
	{4, 23, 1, 0, 2}, /* TxD4 */
	{4, 22, 1, 0, 2}, /* TxD5 */
	{4, 21, 1, 0, 2}, /* TxD6 */
	{4, 20, 1, 0, 2}, /* TxD7 */
	{4, 15, 2, 0, 2}, /* RxD0 */
	{4, 14, 2, 0, 2}, /* RxD1 */
	{4, 13, 2, 0, 2}, /* RxD2 */
	{4, 12, 2, 0, 2}, /* RxD3 */
	{4, 29, 2, 0, 2}, /* RxD4 */
	{4, 28, 2, 0, 2}, /* RxD5 */
	{4, 27, 2, 0, 2}, /* RxD6 */
	{4, 26, 2, 0, 2}, /* RxD7 */
	{4, 11, 1, 0, 2}, /* TX_EN */
	{4, 24, 1, 0, 2}, /* TX_ER */
	{4, 16, 2, 0, 2}, /* RX_DV */
	{4, 30, 2, 0, 2}, /* RX_ER */
	{4, 17, 2, 0, 2}, /* RX_CLK */
	{4, 19, 1, 0, 2}, /* GTX_CLK */
	{1, 31, 2, 0, 3}, /* GTX125 */

	/* GETH2 */
	{5, 10, 1, 0, 2}, /* TxD0 */
	{5, 9, 1, 0, 2}, /* TxD1 */
	{5, 8, 1, 0, 2}, /* TxD2 */
	{5, 7, 1, 0, 2}, /* TxD3 */
	{5, 23, 1, 0, 2}, /* TxD4 */
	{5, 22, 1, 0, 2}, /* TxD5 */
	{5, 21, 1, 0, 2}, /* TxD6 */
	{5, 20, 1, 0, 2}, /* TxD7 */
	{5, 15, 2, 0, 2}, /* RxD0 */
	{5, 14, 2, 0, 2}, /* RxD1 */
	{5, 13, 2, 0, 2}, /* RxD2 */
	{5, 12, 2, 0, 2}, /* RxD3 */
	{5, 29, 2, 0, 2}, /* RxD4 */
	{5, 28, 2, 0, 2}, /* RxD5 */
	{5, 27, 2, 0, 3}, /* RxD6 */
	{5, 26, 2, 0, 2}, /* RxD7 */
	{5, 11, 1, 0, 2}, /* TX_EN */
	{5, 24, 1, 0, 2}, /* TX_ER */
	{5, 16, 2, 0, 2}, /* RX_DV */
	{5, 30, 2, 0, 2}, /* RX_ER */
	{5, 17, 2, 0, 2}, /* RX_CLK */
	{5, 19, 1, 0, 2}, /* GTX_CLK */
	{1, 31, 2, 0, 3}, /* GTX125 */
	{4, 6, 3, 0, 2}, /* MDIO */
	{4, 5, 1, 0, 2}, /* MDC */

	/* UART1 */
	{2, 0, 1, 0, 2}, /* UART_SOUT1 */
	{2, 1, 1, 0, 2}, /* UART_RTS1 */
	{2, 2, 2, 0, 2}, /* UART_CTS1 */
	{2, 3, 2, 0, 2}, /* UART_SIN1 */

	{0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
	};

	void local_bus_init(void);
	void sdram_init(void);

	int board_early_init_f (void)
	{
	/*
	* Initialize local bus.
	*/
	local_bus_init ();

	enable_8568mds_duart();
	enable_8568mds_flash_write();
	#if defined(CONFIG_UEC_ETH1) \|\| defined(CONFIG_UEC_ETH2)
	reset_8568mds_uccs();
	#endif
	#if defined(CONFIG_QE) && !defined(CONFIG_eTSEC_MDIO_BUS)
	enable_8568mds_qe_mdio();
	#endif

	#ifdef CONFIG_SYS_I2C2_OFFSET
	/* Enable I2C2_SCL and I2C2_SDA */
	volatile struct par_io *port_c;
	port_c = (struct par_io*)(CONFIG_SYS_IMMR + 0xe0140);
	port_c->cpdir2 \|= 0x0f000000;
	port_c->cppar2 &= ~0x0f000000;
	port_c->cppar2 \|= 0x0a000000;
	#endif

	return 0;
	}

	int checkboard (void)
	{
	printf ("Board: 8568 MDS\n");

	return 0;
	}

	phys_size_t
	initdram(int board_type)
	{
	long dram_size = 0;

	puts("Initializing\n");

	#if defined(CONFIG_DDR_DLL)
	{
	/*
	* Work around to stabilize DDR DLL MSYNC_IN.
	* Errata DDR9 seems to have been fixed.
	* This is now the workaround for Errata DDR11:
	* Override DLL = 1, Course Adj = 1, Tap Select = 0
	*/

	volatile ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);

	gur->ddrdllcr = 0x81000000;
	asm("sync;isync;msync");
	udelay(200);
	}
	#endif

	dram_size = fsl_ddr_sdram();
	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
	dram_size *= 0x100000;

	/*
	* SDRAM Initialization
	*/
	sdram_init();

	puts(" DDR: ");
	return dram_size;
	}

	/*
	* Initialize Local Bus
	*/
	void
	local_bus_init(void)
	{
	volatile ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	volatile ccsr_lbc_t lbc = (void )(CONFIG_SYS_MPC85xx_LBC_ADDR);

	uint clkdiv;
	uint lbc_hz;
	sys_info_t sysinfo;

	get_sys_info(&sysinfo);
	clkdiv = (lbc->lcrr & LCRR_CLKDIV) * 2;
	lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;

	gur->lbiuiplldcr1 = 0x00078080;
	if (clkdiv == 16) {
	gur->lbiuiplldcr0 = 0x7c0f1bf0;
	} else if (clkdiv == 8) {
	gur->lbiuiplldcr0 = 0x6c0f1bf0;
	} else if (clkdiv == 4) {
	gur->lbiuiplldcr0 = 0x5c0f1bf0;
	}

	lbc->lcrr \|= 0x00030000;

	asm("sync;isync;msync");
	}

	/*
	* Initialize SDRAM memory on the Local Bus.
	*/
	void
	sdram_init(void)
	{
	#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)

	uint idx;
	volatile ccsr_lbc_t lbc = (void )(CONFIG_SYS_MPC85xx_LBC_ADDR);
	uint sdram_addr = (uint )CONFIG_SYS_LBC_SDRAM_BASE;
	uint lsdmr_common;

	puts(" SDRAM: ");

	print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n");

	/*
	* Setup SDRAM Base and Option Registers
	*/
	lbc->or2 = CONFIG_SYS_OR2_PRELIM;
	asm("msync");

	lbc->br2 = CONFIG_SYS_BR2_PRELIM;
	asm("msync");

	lbc->lbcr = CONFIG_SYS_LBC_LBCR;
	asm("msync");


	lbc->lsrt = CONFIG_SYS_LBC_LSRT;
	lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
	asm("msync");

	/*
	* MPC8568 uses "new" 15-16 style addressing.
	*/
	lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
	lsdmr_common \|= LSDMR_BSMA1516;

	/*
	* Issue PRECHARGE ALL command.
	*/
	lbc->lsdmr = lsdmr_common \| LSDMR_OP_PCHALL;
	asm("sync;msync");
	*sdram_addr = 0xff;
	ppcDcbf((unsigned long) sdram_addr);
	udelay(100);

	/*
	* Issue 8 AUTO REFRESH commands.
	*/
	for (idx = 0; idx < 8; idx++) {
	lbc->lsdmr = lsdmr_common \| LSDMR_OP_ARFRSH;
	asm("sync;msync");
	*sdram_addr = 0xff;
	ppcDcbf((unsigned long) sdram_addr);
	udelay(100);
	}

	/*
	* Issue 8 MODE-set command.
	*/
	lbc->lsdmr = lsdmr_common \| LSDMR_OP_MRW;
	asm("sync;msync");
	*sdram_addr = 0xff;
	ppcDcbf((unsigned long) sdram_addr);
	udelay(100);

	/*
	* Issue NORMAL OP command.
	*/
	lbc->lsdmr = lsdmr_common \| LSDMR_OP_NORMAL;
	asm("sync;msync");
	*sdram_addr = 0xff;
	ppcDcbf((unsigned long) sdram_addr);
	udelay(200); /* Overkill. Must wait > 200 bus cycles */

	#endif /* enable SDRAM init */
	}

	#if defined(CONFIG_PCI)
	#ifndef CONFIG_PCI_PNP
	static struct pci_config_table pci_mpc8568mds_config_table[] = {
	{
	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
	pci_cfgfunc_config_device,
	{PCI_ENET0_IOADDR,
	PCI_ENET0_MEMADDR,
	PCI_COMMON_MEMORY \| PCI_COMMAND_MASTER}
	},
	{}
	};
	#endif

	static struct pci_controller pci1_hose = {
	#ifndef CONFIG_PCI_PNP
	config_table: pci_mpc8568mds_config_table,
	#endif
	};
	#endif /* CONFIG_PCI */

	#ifdef CONFIG_PCIE1
	static struct pci_controller pcie1_hose;
	#endif /* CONFIG_PCIE1 */

	int first_free_busno = 0;

	/*
	* pib_init() -- Initialize the PCA9555 IO expander on the PIB board
	*/
	void
	pib_init(void)
	{
	u8 val8, orig_i2c_bus;
	/*
	* Assign PIB PMC2/3 to PCI bus
	*/

	/switch temporarily to I2C bus #2 /
	orig_i2c_bus = i2c_get_bus_num();
	i2c_set_bus_num(1);

	val8 = 0x00;
	i2c_write(0x23, 0x6, 1, &val8, 1);
	i2c_write(0x23, 0x7, 1, &val8, 1);
	val8 = 0xff;
	i2c_write(0x23, 0x2, 1, &val8, 1);
	i2c_write(0x23, 0x3, 1, &val8, 1);

	val8 = 0x00;
	i2c_write(0x26, 0x6, 1, &val8, 1);
	val8 = 0x34;
	i2c_write(0x26, 0x7, 1, &val8, 1);
	val8 = 0xf9;
	i2c_write(0x26, 0x2, 1, &val8, 1);
	val8 = 0xff;
	i2c_write(0x26, 0x3, 1, &val8, 1);

	val8 = 0x00;
	i2c_write(0x27, 0x6, 1, &val8, 1);
	i2c_write(0x27, 0x7, 1, &val8, 1);
	val8 = 0xff;
	i2c_write(0x27, 0x2, 1, &val8, 1);
	val8 = 0xef;
	i2c_write(0x27, 0x3, 1, &val8, 1);

	asm("eieio");
	}

	#ifdef CONFIG_PCI
	void
	pci_init_board(void)
	{
	volatile ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;

	#ifdef CONFIG_PCI1
	{
	pib_init();

	volatile ccsr_fsl_pci_t pci = (ccsr_fsl_pci_t ) CONFIG_SYS_PCI1_ADDR;
	struct pci_controller *hose = &pci1_hose;
	struct pci_region *r = hose->regions;

	uint pci_32 = 1; /* PORDEVSR[15] */
	uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
	uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */

	uint pci_agent = (host_agent == 3) \|\| (host_agent == 4 ) \|\| (host_agent == 6);

	uint pci_speed = 66666000;

	if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
	printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
	(pci_32) ? 32 : 64,
	(pci_speed == 33333000) ? "33" :
	(pci_speed == 66666000) ? "66" : "unknown",
	pci_clk_sel ? "sync" : "async",
	pci_agent ? "agent" : "host",
	pci_arb ? "arbiter" : "external-arbiter"
	);

	/* outbound memory */
	pci_set_region(r++,
	CONFIG_SYS_PCI1_MEM_BUS,
	CONFIG_SYS_PCI1_MEM_PHYS,
	CONFIG_SYS_PCI1_MEM_SIZE,
	PCI_REGION_MEM);

	/* outbound io */
	pci_set_region(r++,
	CONFIG_SYS_PCI1_IO_BUS,
	CONFIG_SYS_PCI1_IO_PHYS,
	CONFIG_SYS_PCI1_IO_SIZE,
	PCI_REGION_IO);

	hose->region_count = r - hose->regions;

	hose->first_busno = first_free_busno;

	fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
	first_free_busno = hose->last_busno+1;
	printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
	} else {
	printf (" PCI: disabled\n");
	}
	}
	#else
	gur->devdisr \|= MPC85xx_DEVDISR_PCI1; /* disable */
	#endif

	#ifdef CONFIG_PCIE1
	{
	volatile ccsr_fsl_pci_t pci = (ccsr_fsl_pci_t ) CONFIG_SYS_PCIE1_ADDR;
	struct pci_controller *hose = &pcie1_hose;
	int pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
	struct pci_region *r = hose->regions;

	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);

	if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
	printf ("\n PCIE connected to slot as %s (base address %x)",
	pcie_ep ? "End Point" : "Root Complex",
	(uint)pci);

	if (pci->pme_msg_det) {
	pci->pme_msg_det = 0xffffffff;
	debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
	}
	printf ("\n");

	/* outbound memory */
	pci_set_region(r++,
	CONFIG_SYS_PCIE1_MEM_BUS,
	CONFIG_SYS_PCIE1_MEM_PHYS,
	CONFIG_SYS_PCIE1_MEM_SIZE,
	PCI_REGION_MEM);

	/* outbound io */
	pci_set_region(r++,
	CONFIG_SYS_PCIE1_IO_BUS,
	CONFIG_SYS_PCIE1_IO_PHYS,
	CONFIG_SYS_PCIE1_IO_SIZE,
	PCI_REGION_IO);

	hose->region_count = r - hose->regions;

	hose->first_busno=first_free_busno;

	fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
	printf ("PCIE on bus %02x - %02x\n",hose->first_busno,hose->last_busno);

	first_free_busno=hose->last_busno+1;

	} else {
	printf (" PCIE: disabled\n");
	}
	}
	#else
	gur->devdisr \|= MPC85xx_DEVDISR_PCIE; /* disable */
	#endif
	}
	#endif /* CONFIG_PCI */

	#if defined(CONFIG_OF_BOARD_SETUP)
	void ft_board_setup(void blob, bd_t bd)
	{
	ft_cpu_setup(blob, bd);

	#ifdef CONFIG_PCI1
	ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
	#endif
	#ifdef CONFIG_PCIE1
	ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
	#endif
	}
	#endif