board/freescale/mpc8572ds/mpc8572ds.c - platform/external/u-boot - Gitiles

 /*
  * Copyright 2007-2008 Freescale Semiconductor, Inc.
  *
  * 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 <command.h>
 #include <pci.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/cache.h>
 #include <asm/immap_85xx.h>
 #include <asm/immap_fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
 #include <asm/io.h>
 #include <miiphy.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <tsec.h>

 #include "../common/pixis.h"
 #include "../common/sgmii_riser.h"

 long int fixed_sdram(void);

 int checkboard (void)
 {
 	puts ("Board: MPC8572DS ");
 #ifdef CONFIG_PHYS_64BIT
 	puts ("(36-bit addrmap) ");
 #endif
 	printf ("Sys ID: 0x%02x, "
 		"Sys Ver: 0x%02x, FPGA Ver: 0x%02x\n",
 		in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
 		in8(PIXIS_BASE + PIXIS_PVER));
 	return 0;
 }

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

 	puts("Initializing....");

 #ifdef CONFIG_SPD_EEPROM
 	dram_size = fsl_ddr_sdram();
 #else
 	dram_size = fixed_sdram();
 #endif
 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
 	dram_size *= 0x100000;

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

 #if !defined(CONFIG_SPD_EEPROM)
 /*
  * Fixed sdram init -- doesn't use serial presence detect.
  */

 phys_size_t fixed_sdram (void)
 {
 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
 	volatile ccsr_ddr_t *ddr= &immap->im_ddr;
 	uint d_init;

 	ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
 	ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;

 	ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
 	ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
 	ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
 	ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
 	ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
 	ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
 	ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
 	ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
 	ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
 	ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;

 #if defined (CONFIG_DDR_ECC)
 	ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
 	ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
 	ddr->err_sbe = CONFIG_SYS_DDR_SBE;
 #endif
 	asm("sync;isync");

 	udelay(500);

 	ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;

 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
 	d_init = 1;
 	debug("DDR - 1st controller: memory initializing\n");
 	/*
 	 * Poll until memory is initialized.
 	 * 512 Meg at 400 might hit this 200 times or so.
 	 */
 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
 		udelay(1000);
 	}
 	debug("DDR: memory initialized\n\n");
 	asm("sync; isync");
 	udelay(500);
 #endif

 	return 512 * 1024 * 1024;
 }

 #endif

 #ifdef CONFIG_PCIE1
 static struct pci_controller pcie1_hose;
 #endif

 #ifdef CONFIG_PCIE2
 static struct pci_controller pcie2_hose;
 #endif

 #ifdef CONFIG_PCIE3
 static struct pci_controller pcie3_hose;
 #endif

 extern int fsl_pci_setup_inbound_windows(struct pci_region *r);
 extern void fsl_pci_init(struct pci_controller *hose);

 int first_free_busno=0;
 #ifdef CONFIG_PCI
 void pci_init_board(void)
 {
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	uint devdisr = gur->devdisr;
 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
 	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;

 	debug ("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
 			devdisr, io_sel, host_agent);

 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
 		printf ("    eTSEC1 is in sgmii mode.\n");
 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
 		printf ("    eTSEC2 is in sgmii mode.\n");
 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
 		printf ("    eTSEC3 is in sgmii mode.\n");
 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
 		printf ("    eTSEC4 is in sgmii mode.\n");


 #ifdef CONFIG_PCIE3
 	{
 		volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
 		struct pci_controller *hose = &pcie3_hose;
 		int pcie_ep = (host_agent == 0) || (host_agent == 3) ||
 			(host_agent == 5) || (host_agent == 6);
 		int pcie_configured  = (io_sel == 0x7);
 		struct pci_region *r = hose->regions;
 		u32 temp32;

 		if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
 			printf ("\n    PCIE3 connected to ULI 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");

 			/* inbound */
 			r += fsl_pci_setup_inbound_windows(r);

 			/* outbound memory */
 			pci_set_region(r++,
 					CONFIG_SYS_PCIE3_MEM_BUS,
 					CONFIG_SYS_PCIE3_MEM_PHYS,
 					CONFIG_SYS_PCIE3_MEM_SIZE,
 					PCI_REGION_MEM);

 			/* outbound io */
 			pci_set_region(r++,
 					CONFIG_SYS_PCIE3_IO_BUS,
 					CONFIG_SYS_PCIE3_IO_PHYS,
 					CONFIG_SYS_PCIE3_IO_SIZE,
 					PCI_REGION_IO);

 			hose->region_count = r - hose->regions;
 			hose->first_busno=first_free_busno;
 			pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);

 			fsl_pci_init(hose);

 			first_free_busno=hose->last_busno+1;
 			printf ("    PCIE3 on bus %02x - %02x\n",
 					hose->first_busno,hose->last_busno);

 			/*
 			 * Activate ULI1575 legacy chip by performing a fake
 			 * memory access.  Needed to make ULI RTC work.
 			 * Device 1d has the first on-board memory BAR.
 			 */

 			pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0 ),
 					PCI_BASE_ADDRESS_1, &temp32);
 			if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
 				void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
 								temp32, 4, 0);
 				debug(" uli1572 read to %p\n", p);
 				in_be32(p);
 			}
 		} else {
 			printf ("    PCIE3: disabled\n");
 		}

 	}
 #else
 	gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
 #endif

 #ifdef CONFIG_PCIE2
 	{
 		volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
 		struct pci_controller *hose = &pcie2_hose;
 		int pcie_ep = (host_agent == 2) || (host_agent == 4) ||
 			(host_agent == 6) || (host_agent == 0);
 		int pcie_configured  = (io_sel == 0x3) || (io_sel == 0x7);
 		struct pci_region *r = hose->regions;

 		if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
 			printf ("\n    PCIE2 connected to Slot 1 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");

 			/* inbound */
 			r += fsl_pci_setup_inbound_windows(r);

 			/* outbound memory */
 			pci_set_region(r++,
 					CONFIG_SYS_PCIE2_MEM_BUS,
 					CONFIG_SYS_PCIE2_MEM_PHYS,
 					CONFIG_SYS_PCIE2_MEM_SIZE,
 					PCI_REGION_MEM);

 			/* outbound io */
 			pci_set_region(r++,
 					CONFIG_SYS_PCIE2_IO_BUS,
 					CONFIG_SYS_PCIE2_IO_PHYS,
 					CONFIG_SYS_PCIE2_IO_SIZE,
 					PCI_REGION_IO);

 			hose->region_count = r - hose->regions;
 			hose->first_busno=first_free_busno;
 			pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);

 			fsl_pci_init(hose);
 			first_free_busno=hose->last_busno+1;
 			printf ("    PCIE2 on bus %02x - %02x\n",
 					hose->first_busno,hose->last_busno);

 		} else {
 			printf ("    PCIE2: disabled\n");
 		}

 	}
 #else
 	gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* 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 = (host_agent <= 1) || (host_agent == 4) ||
 			(host_agent == 5);
 		int pcie_configured  = (io_sel == 0x2) || (io_sel == 0x3) ||
 					(io_sel == 0x7) || (io_sel == 0xb) ||
 					(io_sel == 0xc) || (io_sel == 0xf);
 		struct pci_region *r = hose->regions;

 		if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 			printf ("\n    PCIE1 connected to Slot 2 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");

 			/* inbound */
 			r += fsl_pci_setup_inbound_windows(r);

 			/* 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;

 			pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);

 			fsl_pci_init(hose);

 			first_free_busno=hose->last_busno+1;
 			printf("    PCIE1 on bus %02x - %02x\n",
 					hose->first_busno,hose->last_busno);

 		} else {
 			printf ("    PCIE1: disabled\n");
 		}

 	}
 #else
 	gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
 #endif
 }
 #endif

 int board_early_init_r(void)
 {
 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 	const u8 flash_esel = 2;

 	/*
 	 * Remap Boot flash + PROMJET region to caching-inhibited
 	 * so that flash can be erased properly.
 	 */

 	/* Flush d-cache and invalidate i-cache of any FLASH data */
 	flush_dcache();
 	invalidate_icache();

 	/* invalidate existing TLB entry for flash + promjet */
 	disable_tlb(flash_esel);

 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
 			0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */

 	return 0;
 }

 #ifdef CONFIG_GET_CLK_FROM_ICS307
 /* decode S[0-2] to Output Divider (OD) */
 static unsigned char ics307_S_to_OD[] = {
 	10, 2, 8, 4, 5, 7, 3, 6
 };

 /* Calculate frequency being generated by ICS307-02 clock chip based upon
  * the control bytes being programmed into it. */
 /* XXX: This function should probably go into a common library */
 static unsigned long
 ics307_clk_freq (unsigned char cw0, unsigned char cw1, unsigned char cw2)
 {
 	const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
 	unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
 	unsigned long RDW = cw2 & 0x7F;
 	unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
 	unsigned long freq;

 	/* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */

 	/* cw0:  C1 C0 TTL F1 F0 S2 S1 S0
 	 * cw1:  V8 V7 V6 V5 V4 V3 V2 V1
 	 * cw2:  V0 R6 R5 R4 R3 R2 R1 R0
 	 *
 	 * R6:R0 = Reference Divider Word (RDW)
 	 * V8:V0 = VCO Divider Word (VDW)
 	 * S2:S0 = Output Divider Select (OD)
 	 * F1:F0 = Function of CLK2 Output
 	 * TTL = duty cycle
 	 * C1:C0 = internal load capacitance for cyrstal
 	 */

 	/* Adding 1 to get a "nicely" rounded number, but this needs
 	 * more tweaking to get a "properly" rounded number. */

 	freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));

 	debug("ICS307: CW[0-2]: %02X %02X %02X => %u Hz\n", cw0, cw1, cw2,
 			freq);
 	return freq;
 }

 unsigned long get_board_sys_clk(ulong dummy)
 {
 	return ics307_clk_freq (
 			in8(PIXIS_BASE + PIXIS_VSYSCLK0),
 			in8(PIXIS_BASE + PIXIS_VSYSCLK1),
 			in8(PIXIS_BASE + PIXIS_VSYSCLK2)
 			);
 }

 unsigned long get_board_ddr_clk(ulong dummy)
 {
 	return ics307_clk_freq (
 			in8(PIXIS_BASE + PIXIS_VDDRCLK0),
 			in8(PIXIS_BASE + PIXIS_VDDRCLK1),
 			in8(PIXIS_BASE + PIXIS_VDDRCLK2)
 			);
 }
 #else
 unsigned long get_board_sys_clk(ulong dummy)
 {
 	u8 i;
 	ulong val = 0;

 	i = in8(PIXIS_BASE + PIXIS_SPD);
 	i &= 0x07;

 	switch (i) {
 		case 0:
 			val = 33333333;
 			break;
 		case 1:
 			val = 40000000;
 			break;
 		case 2:
 			val = 50000000;
 			break;
 		case 3:
 			val = 66666666;
 			break;
 		case 4:
 			val = 83333333;
 			break;
 		case 5:
 			val = 100000000;
 			break;
 		case 6:
 			val = 133333333;
 			break;
 		case 7:
 			val = 166666666;
 			break;
 	}

 	return val;
 }

 unsigned long get_board_ddr_clk(ulong dummy)
 {
 	u8 i;
 	ulong val = 0;

 	i = in8(PIXIS_BASE + PIXIS_SPD);
 	i &= 0x38;
 	i >>= 3;

 	switch (i) {
 		case 0:
 			val = 33333333;
 			break;
 		case 1:
 			val = 40000000;
 			break;
 		case 2:
 			val = 50000000;
 			break;
 		case 3:
 			val = 66666666;
 			break;
 		case 4:
 			val = 83333333;
 			break;
 		case 5:
 			val = 100000000;
 			break;
 		case 6:
 			val = 133333333;
 			break;
 		case 7:
 			val = 166666666;
 			break;
 	}
 	return val;
 }
 #endif

 #ifdef CONFIG_TSEC_ENET
 int board_eth_init(bd_t *bis)
 {
 	struct tsec_info_struct tsec_info[4];
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	int num = 0;

 #ifdef CONFIG_TSEC1
 	SET_STD_TSEC_INFO(tsec_info[num], 1);
 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
 		tsec_info[num].flags |= TSEC_SGMII;
 	num++;
 #endif
 #ifdef CONFIG_TSEC2
 	SET_STD_TSEC_INFO(tsec_info[num], 2);
 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
 		tsec_info[num].flags |= TSEC_SGMII;
 	num++;
 #endif
 #ifdef CONFIG_TSEC3
 	SET_STD_TSEC_INFO(tsec_info[num], 3);
 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
 		tsec_info[num].flags |= TSEC_SGMII;
 	num++;
 #endif
 #ifdef CONFIG_TSEC4
 	SET_STD_TSEC_INFO(tsec_info[num], 4);
 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
 		tsec_info[num].flags |= TSEC_SGMII;
 	num++;
 #endif

 	if (!num) {
 		printf("No TSECs initialized\n");

 		return 0;
 	}

 #ifdef CONFIG_FSL_SGMII_RISER
 	fsl_sgmii_riser_init(tsec_info, num);
 #endif

 	tsec_eth_init(bis, tsec_info, num);

 	return 0;
 }
 #endif

 #if defined(CONFIG_OF_BOARD_SETUP)
 extern void ft_fsl_pci_setup(void *blob, const char *pci_alias,
 			struct pci_controller *hose);

 void ft_board_setup(void *blob, bd_t *bd)
 {
 	phys_addr_t base;
 	phys_size_t size;

 	ft_cpu_setup(blob, bd);

 	base = getenv_bootm_low();
 	size = getenv_bootm_size();

 	fdt_fixup_memory(blob, (u64)base, (u64)size);

 #ifdef CONFIG_PCIE3
 	ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
 #endif
 #ifdef CONFIG_PCIE2
 	ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
 #endif
 #ifdef CONFIG_PCIE1
 	ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
 #endif
 #ifdef CONFIG_FSL_SGMII_RISER
 	fsl_sgmii_riser_fdt_fixup(blob);
 #endif
 }
 #endif

 #ifdef CONFIG_MP
 extern void cpu_mp_lmb_reserve(struct lmb *lmb);

 void board_lmb_reserve(struct lmb *lmb)
 {
 	cpu_mp_lmb_reserve(lmb);
 }
 #endif
	/*
	* Copyright 2007-2008 Freescale Semiconductor, Inc.
	*
	* 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 <command.h>
	#include <pci.h>
	#include <asm/processor.h>
	#include <asm/mmu.h>
	#include <asm/cache.h>
	#include <asm/immap_85xx.h>
	#include <asm/immap_fsl_pci.h>
	#include <asm/fsl_ddr_sdram.h>
	#include <asm/io.h>
	#include <miiphy.h>
	#include <libfdt.h>
	#include <fdt_support.h>
	#include <tsec.h>

	#include "../common/pixis.h"
	#include "../common/sgmii_riser.h"

	long int fixed_sdram(void);

	int checkboard (void)
	{
	puts ("Board: MPC8572DS ");
	#ifdef CONFIG_PHYS_64BIT
	puts ("(36-bit addrmap) ");
	#endif
	printf ("Sys ID: 0x%02x, "
	"Sys Ver: 0x%02x, FPGA Ver: 0x%02x\n",
	in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
	in8(PIXIS_BASE + PIXIS_PVER));
	return 0;
	}

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

	puts("Initializing....");

	#ifdef CONFIG_SPD_EEPROM
	dram_size = fsl_ddr_sdram();
	#else
	dram_size = fixed_sdram();
	#endif
	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
	dram_size *= 0x100000;

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

	#if !defined(CONFIG_SPD_EEPROM)
	/*
	* Fixed sdram init -- doesn't use serial presence detect.
	*/

	phys_size_t fixed_sdram (void)
	{
	volatile immap_t immap = (immap_t )CONFIG_SYS_IMMR;
	volatile ccsr_ddr_t *ddr= &immap->im_ddr;
	uint d_init;

	ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
	ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;

	ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
	ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
	ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
	ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
	ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
	ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
	ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
	ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
	ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
	ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;

	#if defined (CONFIG_DDR_ECC)
	ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
	ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
	ddr->err_sbe = CONFIG_SYS_DDR_SBE;
	#endif
	asm("sync;isync");

	udelay(500);

	ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;

	#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
	d_init = 1;
	debug("DDR - 1st controller: memory initializing\n");
	/*
	* Poll until memory is initialized.
	* 512 Meg at 400 might hit this 200 times or so.
	*/
	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
	udelay(1000);
	}
	debug("DDR: memory initialized\n\n");
	asm("sync; isync");
	udelay(500);
	#endif

	return 512 * 1024 * 1024;
	}

	#endif

	#ifdef CONFIG_PCIE1
	static struct pci_controller pcie1_hose;
	#endif

	#ifdef CONFIG_PCIE2
	static struct pci_controller pcie2_hose;
	#endif

	#ifdef CONFIG_PCIE3
	static struct pci_controller pcie3_hose;
	#endif

	extern int fsl_pci_setup_inbound_windows(struct pci_region *r);
	extern void fsl_pci_init(struct pci_controller *hose);

	int first_free_busno=0;
	#ifdef CONFIG_PCI
	void pci_init_board(void)
	{
	volatile ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	uint devdisr = gur->devdisr;
	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;

	debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
	devdisr, io_sel, host_agent);

	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
	printf (" eTSEC1 is in sgmii mode.\n");
	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
	printf (" eTSEC2 is in sgmii mode.\n");
	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
	printf (" eTSEC3 is in sgmii mode.\n");
	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
	printf (" eTSEC4 is in sgmii mode.\n");


	#ifdef CONFIG_PCIE3
	{
	volatile ccsr_fsl_pci_t pci = (ccsr_fsl_pci_t ) CONFIG_SYS_PCIE3_ADDR;
	struct pci_controller *hose = &pcie3_hose;
	int pcie_ep = (host_agent == 0) \|\| (host_agent == 3) \|\|
	(host_agent == 5) \|\| (host_agent == 6);
	int pcie_configured = (io_sel == 0x7);
	struct pci_region *r = hose->regions;
	u32 temp32;

	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
	printf ("\n PCIE3 connected to ULI 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");

	/* inbound */
	r += fsl_pci_setup_inbound_windows(r);

	/* outbound memory */
	pci_set_region(r++,
	CONFIG_SYS_PCIE3_MEM_BUS,
	CONFIG_SYS_PCIE3_MEM_PHYS,
	CONFIG_SYS_PCIE3_MEM_SIZE,
	PCI_REGION_MEM);

	/* outbound io */
	pci_set_region(r++,
	CONFIG_SYS_PCIE3_IO_BUS,
	CONFIG_SYS_PCIE3_IO_PHYS,
	CONFIG_SYS_PCIE3_IO_SIZE,
	PCI_REGION_IO);

	hose->region_count = r - hose->regions;
	hose->first_busno=first_free_busno;
	pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);

	fsl_pci_init(hose);

	first_free_busno=hose->last_busno+1;
	printf (" PCIE3 on bus %02x - %02x\n",
	hose->first_busno,hose->last_busno);

	/*
	* Activate ULI1575 legacy chip by performing a fake
	* memory access. Needed to make ULI RTC work.
	* Device 1d has the first on-board memory BAR.
	*/

	pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0 ),
	PCI_BASE_ADDRESS_1, &temp32);
	if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
	void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
	temp32, 4, 0);
	debug(" uli1572 read to %p\n", p);
	in_be32(p);
	}
	} else {
	printf (" PCIE3: disabled\n");
	}

	}
	#else
	gur->devdisr \|= MPC85xx_DEVDISR_PCIE3; /* disable */
	#endif

	#ifdef CONFIG_PCIE2
	{
	volatile ccsr_fsl_pci_t pci = (ccsr_fsl_pci_t ) CONFIG_SYS_PCIE2_ADDR;
	struct pci_controller *hose = &pcie2_hose;
	int pcie_ep = (host_agent == 2) \|\| (host_agent == 4) \|\|
	(host_agent == 6) \|\| (host_agent == 0);
	int pcie_configured = (io_sel == 0x3) \|\| (io_sel == 0x7);
	struct pci_region *r = hose->regions;

	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
	printf ("\n PCIE2 connected to Slot 1 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");

	/* inbound */
	r += fsl_pci_setup_inbound_windows(r);

	/* outbound memory */
	pci_set_region(r++,
	CONFIG_SYS_PCIE2_MEM_BUS,
	CONFIG_SYS_PCIE2_MEM_PHYS,
	CONFIG_SYS_PCIE2_MEM_SIZE,
	PCI_REGION_MEM);

	/* outbound io */
	pci_set_region(r++,
	CONFIG_SYS_PCIE2_IO_BUS,
	CONFIG_SYS_PCIE2_IO_PHYS,
	CONFIG_SYS_PCIE2_IO_SIZE,
	PCI_REGION_IO);

	hose->region_count = r - hose->regions;
	hose->first_busno=first_free_busno;
	pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);

	fsl_pci_init(hose);
	first_free_busno=hose->last_busno+1;
	printf (" PCIE2 on bus %02x - %02x\n",
	hose->first_busno,hose->last_busno);

	} else {
	printf (" PCIE2: disabled\n");
	}

	}
	#else
	gur->devdisr \|= MPC85xx_DEVDISR_PCIE2; /* 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 = (host_agent <= 1) \|\| (host_agent == 4) \|\|
	(host_agent == 5);
	int pcie_configured = (io_sel == 0x2) \|\| (io_sel == 0x3) \|\|
	(io_sel == 0x7) \|\| (io_sel == 0xb) \|\|
	(io_sel == 0xc) \|\| (io_sel == 0xf);
	struct pci_region *r = hose->regions;

	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
	printf ("\n PCIE1 connected to Slot 2 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");

	/* inbound */
	r += fsl_pci_setup_inbound_windows(r);

	/* 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;

	pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);

	fsl_pci_init(hose);

	first_free_busno=hose->last_busno+1;
	printf(" PCIE1 on bus %02x - %02x\n",
	hose->first_busno,hose->last_busno);

	} else {
	printf (" PCIE1: disabled\n");
	}

	}
	#else
	gur->devdisr \|= MPC85xx_DEVDISR_PCIE; /* disable */
	#endif
	}
	#endif

	int board_early_init_r(void)
	{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	const u8 flash_esel = 2;

	/*
	* Remap Boot flash + PROMJET region to caching-inhibited
	* so that flash can be erased properly.
	*/

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* invalidate existing TLB entry for flash + promjet */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G, /* perms, wimge */
	0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */

	return 0;
	}

	#ifdef CONFIG_GET_CLK_FROM_ICS307
	/* decode S[0-2] to Output Divider (OD) */
	static unsigned char ics307_S_to_OD[] = {
	10, 2, 8, 4, 5, 7, 3, 6
	};

	/* Calculate frequency being generated by ICS307-02 clock chip based upon
	* the control bytes being programmed into it. */
	/* XXX: This function should probably go into a common library */
	static unsigned long
	ics307_clk_freq (unsigned char cw0, unsigned char cw1, unsigned char cw2)
	{
	const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
	unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
	unsigned long RDW = cw2 & 0x7F;
	unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
	unsigned long freq;

	/* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */

	/* cw0: C1 C0 TTL F1 F0 S2 S1 S0
	* cw1: V8 V7 V6 V5 V4 V3 V2 V1
	* cw2: V0 R6 R5 R4 R3 R2 R1 R0
	*
	* R6:R0 = Reference Divider Word (RDW)
	* V8:V0 = VCO Divider Word (VDW)
	* S2:S0 = Output Divider Select (OD)
	* F1:F0 = Function of CLK2 Output
	* TTL = duty cycle
	* C1:C0 = internal load capacitance for cyrstal
	*/

	/* Adding 1 to get a "nicely" rounded number, but this needs
	* more tweaking to get a "properly" rounded number. */

	freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));

	debug("ICS307: CW[0-2]: %02X %02X %02X => %u Hz\n", cw0, cw1, cw2,
	freq);
	return freq;
	}

	unsigned long get_board_sys_clk(ulong dummy)
	{
	return ics307_clk_freq (
	in8(PIXIS_BASE + PIXIS_VSYSCLK0),
	in8(PIXIS_BASE + PIXIS_VSYSCLK1),
	in8(PIXIS_BASE + PIXIS_VSYSCLK2)
	);
	}

	unsigned long get_board_ddr_clk(ulong dummy)
	{
	return ics307_clk_freq (
	in8(PIXIS_BASE + PIXIS_VDDRCLK0),
	in8(PIXIS_BASE + PIXIS_VDDRCLK1),
	in8(PIXIS_BASE + PIXIS_VDDRCLK2)
	);
	}
	#else
	unsigned long get_board_sys_clk(ulong dummy)
	{
	u8 i;
	ulong val = 0;

	i = in8(PIXIS_BASE + PIXIS_SPD);
	i &= 0x07;

	switch (i) {
	case 0:
	val = 33333333;
	break;
	case 1:
	val = 40000000;
	break;
	case 2:
	val = 50000000;
	break;
	case 3:
	val = 66666666;
	break;
	case 4:
	val = 83333333;
	break;
	case 5:
	val = 100000000;
	break;
	case 6:
	val = 133333333;
	break;
	case 7:
	val = 166666666;
	break;
	}

	return val;
	}

	unsigned long get_board_ddr_clk(ulong dummy)
	{
	u8 i;
	ulong val = 0;

	i = in8(PIXIS_BASE + PIXIS_SPD);
	i &= 0x38;
	i >>= 3;

	switch (i) {
	case 0:
	val = 33333333;
	break;
	case 1:
	val = 40000000;
	break;
	case 2:
	val = 50000000;
	break;
	case 3:
	val = 66666666;
	break;
	case 4:
	val = 83333333;
	break;
	case 5:
	val = 100000000;
	break;
	case 6:
	val = 133333333;
	break;
	case 7:
	val = 166666666;
	break;
	}
	return val;
	}
	#endif

	#ifdef CONFIG_TSEC_ENET
	int board_eth_init(bd_t *bis)
	{
	struct tsec_info_struct tsec_info[4];
	volatile ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	int num = 0;

	#ifdef CONFIG_TSEC1
	SET_STD_TSEC_INFO(tsec_info[num], 1);
	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
	tsec_info[num].flags \|= TSEC_SGMII;
	num++;
	#endif
	#ifdef CONFIG_TSEC2
	SET_STD_TSEC_INFO(tsec_info[num], 2);
	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
	tsec_info[num].flags \|= TSEC_SGMII;
	num++;
	#endif
	#ifdef CONFIG_TSEC3
	SET_STD_TSEC_INFO(tsec_info[num], 3);
	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
	tsec_info[num].flags \|= TSEC_SGMII;
	num++;
	#endif
	#ifdef CONFIG_TSEC4
	SET_STD_TSEC_INFO(tsec_info[num], 4);
	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
	tsec_info[num].flags \|= TSEC_SGMII;
	num++;
	#endif

	if (!num) {
	printf("No TSECs initialized\n");

	return 0;
	}

	#ifdef CONFIG_FSL_SGMII_RISER
	fsl_sgmii_riser_init(tsec_info, num);
	#endif

	tsec_eth_init(bis, tsec_info, num);

	return 0;
	}
	#endif

	#if defined(CONFIG_OF_BOARD_SETUP)
	extern void ft_fsl_pci_setup(void blob, const char pci_alias,
	struct pci_controller *hose);

	void ft_board_setup(void blob, bd_t bd)
	{
	phys_addr_t base;
	phys_size_t size;

	ft_cpu_setup(blob, bd);

	base = getenv_bootm_low();
	size = getenv_bootm_size();

	fdt_fixup_memory(blob, (u64)base, (u64)size);

	#ifdef CONFIG_PCIE3
	ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
	#endif
	#ifdef CONFIG_PCIE2
	ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
	#endif
	#ifdef CONFIG_PCIE1
	ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
	#endif
	#ifdef CONFIG_FSL_SGMII_RISER
	fsl_sgmii_riser_fdt_fixup(blob);
	#endif
	}
	#endif

	#ifdef CONFIG_MP
	extern void cpu_mp_lmb_reserve(struct lmb *lmb);

	void board_lmb_reserve(struct lmb *lmb)
	{
	cpu_mp_lmb_reserve(lmb);
	}
	#endif