board/freescale/mpc8569mds/mpc8569mds.c - platform/external/u-boot - Gitiles

 /*
  * Copyright 2009-2010 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 <hwconfig.h>
 #include <pci.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/cache.h>
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
 #include <asm/io.h>
 #include <spd_sdram.h>
 #include <i2c.h>
 #include <ioports.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <fsl_esdhc.h>

 #include "bcsr.h"
 #if defined(CONFIG_PQ_MDS_PIB)
 #include "../common/pq-mds-pib.h"
 #endif

 phys_size_t fixed_sdram(void);

 const qe_iop_conf_t qe_iop_conf_tab[] = {
 	/* QE_MUX_MDC */
 	{2,  31, 1, 0, 1}, /* QE_MUX_MDC               */

 	/* QE_MUX_MDIO */
 	{2,  30, 3, 0, 2}, /* QE_MUX_MDIO              */

 #if defined(CONFIG_SYS_UCC_RGMII_MODE)
 	/* UCC_1_RGMII */
 	{2, 11, 2, 0, 1}, /* CLK12 */
 	{0,  0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0      */
 	{0,  1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1      */
 	{0,  2, 1, 0, 1}, /* ENET1_TXD2_SER1_TXD2      */
 	{0,  3, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3      */
 	{0,  6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0      */
 	{0,  7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1      */
 	{0,  8, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2      */
 	{0,  9, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3      */
 	{0,  4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
 	{0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B    */
 	{2,  8, 2, 0, 1}, /* ENET1_GRXCLK              */
 	{2, 20, 1, 0, 2}, /* ENET1_GTXCLK              */

 	/* UCC_2_RGMII */
 	{2, 16, 2, 0, 3}, /* CLK17 */
 	{0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0      */
 	{0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1      */
 	{0, 16, 1, 0, 1}, /* ENET2_TXD2_SER2_TXD2      */
 	{0, 17, 1, 0, 1}, /* ENET2_TXD3_SER2_TXD3      */
 	{0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0      */
 	{0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1      */
 	{0, 22, 2, 0, 1}, /* ENET2_RXD2_SER2_RXD2      */
 	{0, 23, 2, 0, 1}, /* ENET2_RXD3_SER2_RXD3      */
 	{0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B    */
 	{0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B    */
 	{2,  3, 2, 0, 1}, /* ENET2_GRXCLK              */
 	{2,  2, 1, 0, 2}, /* ENET2_GTXCLK              */

 	/* UCC_3_RGMII */
 	{2, 11, 2, 0, 1}, /* CLK12 */
 	{0, 29, 1, 0, 2}, /* ENET3_TXD0_SER3_TXD0      */
 	{0, 30, 1, 0, 3}, /* ENET3_TXD1_SER3_TXD1      */
 	{0, 31, 1, 0, 2}, /* ENET3_TXD2_SER3_TXD2      */
 	{1,  0, 1, 0, 3}, /* ENET3_TXD3_SER3_TXD3      */
 	{1,  3, 2, 0, 3}, /* ENET3_RXD0_SER3_RXD0      */
 	{1,  4, 2, 0, 1}, /* ENET3_RXD1_SER3_RXD1      */
 	{1,  5, 2, 0, 2}, /* ENET3_RXD2_SER3_RXD2      */
 	{1,  6, 2, 0, 3}, /* ENET3_RXD3_SER3_RXD3      */
 	{1,  1, 1, 0, 1}, /* ENET3_TX_EN_SER3_RTS_B    */
 	{1,  9, 2, 0, 3}, /* ENET3_RX_DV_SER3_CTS_B    */
 	{2,  9, 2, 0, 2}, /* ENET3_GRXCLK              */
 	{2, 25, 1, 0, 2}, /* ENET3_GTXCLK              */

 	/* UCC_4_RGMII */
 	{2, 16, 2, 0, 3}, /* CLK17 */
 	{1, 12, 1, 0, 2}, /* ENET4_TXD0_SER4_TXD0      */
 	{1, 13, 1, 0, 2}, /* ENET4_TXD1_SER4_TXD1      */
 	{1, 14, 1, 0, 1}, /* ENET4_TXD2_SER4_TXD2      */
 	{1, 15, 1, 0, 2}, /* ENET4_TXD3_SER4_TXD3      */
 	{1, 18, 2, 0, 2}, /* ENET4_RXD0_SER4_RXD0      */
 	{1, 19, 2, 0, 1}, /* ENET4_RXD1_SER4_RXD1      */
 	{1, 20, 2, 0, 1}, /* ENET4_RXD2_SER4_RXD2      */
 	{1, 21, 2, 0, 2}, /* ENET4_RXD3_SER4_RXD3      */
 	{1, 16, 1, 0, 2}, /* ENET4_TX_EN_SER4_RTS_B    */
 	{1, 24, 2, 0, 3}, /* ENET4_RX_DV_SER4_CTS_B    */
 	{2, 17, 2, 0, 2}, /* ENET4_GRXCLK              */
 	{2, 24, 1, 0, 2}, /* ENET4_GTXCLK              */

 #elif defined(CONFIG_SYS_UCC_RMII_MODE)
 	/* UCC_1_RMII */
 	{2, 15, 2, 0, 1}, /* CLK16 */
 	{0,  0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0      */
 	{0,  1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1      */
 	{0,  6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0      */
 	{0,  7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1      */
 	{0,  4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
 	{0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B    */

 	/* UCC_2_RMII */
 	{2, 15, 2, 0, 1}, /* CLK16 */
 	{0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0      */
 	{0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1      */
 	{0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0      */
 	{0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1      */
 	{0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B    */
 	{0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B    */

 	/* UCC_3_RMII */
 	{2, 15, 2, 0, 1}, /* CLK16 */
 	{0, 29, 1, 0, 2}, /* ENET3_TXD0_SER3_TXD0      */
 	{0, 30, 1, 0, 3}, /* ENET3_TXD1_SER3_TXD1      */
 	{1,  3, 2, 0, 3}, /* ENET3_RXD0_SER3_RXD0      */
 	{1,  4, 2, 0, 1}, /* ENET3_RXD1_SER3_RXD1      */
 	{1,  1, 1, 0, 1}, /* ENET3_TX_EN_SER3_RTS_B    */
 	{1,  9, 2, 0, 3}, /* ENET3_RX_DV_SER3_CTS_B    */

 	/* UCC_4_RMII */
 	{2, 15, 2, 0, 1}, /* CLK16 */
 	{1, 12, 1, 0, 2}, /* ENET4_TXD0_SER4_TXD0      */
 	{1, 13, 1, 0, 2}, /* ENET4_TXD1_SER4_TXD1      */
 	{1, 18, 2, 0, 2}, /* ENET4_RXD0_SER4_RXD0      */
 	{1, 19, 2, 0, 1}, /* ENET4_RXD1_SER4_RXD1      */
 	{1, 16, 1, 0, 2}, /* ENET4_TX_EN_SER4_RTS_B    */
 	{1, 24, 2, 0, 3}, /* ENET4_RX_DV_SER4_CTS_B    */
 #endif

 	/* UART1 is muxed with QE PortF bit [9-12].*/
 	{5, 12, 2, 0, 3}, /* UART1_SIN */
 	{5, 9,  1, 0, 3}, /* UART1_SOUT */
 	{5, 10, 2, 0, 3}, /* UART1_CTS_B */
 	{5, 11, 1, 0, 2}, /* UART1_RTS_B */

 	/* QE UART                                     */
 	{0, 19, 1, 0, 2}, /* QEUART_TX                 */
 	{1, 17, 2, 0, 3}, /* QEUART_RX                 */
 	{0, 25, 1, 0, 1}, /* QEUART_RTS                */
 	{1, 23, 2, 0, 1}, /* QEUART_CTS                */

 	/* QE USB                                      */
 	{5,  3, 1, 0, 1}, /* USB_OE                    */
 	{5,  4, 1, 0, 2}, /* USB_TP                    */
 	{5,  5, 1, 0, 2}, /* USB_TN                    */
 	{5,  6, 2, 0, 2}, /* USB_RP                    */
 	{5,  7, 2, 0, 1}, /* USB_RX                    */
 	{5,  8, 2, 0, 1}, /* USB_RN                    */
 	{2,  4, 2, 0, 2}, /* CLK5                      */

 	/* SPI Flash, M25P40                           */
 	{4, 27, 3, 0, 1}, /* SPI_MOSI                  */
 	{4, 28, 3, 0, 1}, /* SPI_MISO                  */
 	{4, 29, 3, 0, 1}, /* SPI_CLK                   */
 	{4, 30, 1, 0, 0}, /* SPI_SEL, GPIO             */

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

 void local_bus_init(void);

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

 	enable_8569mds_flash_write();

 #ifdef CONFIG_QE
 	enable_8569mds_qe_uec();
 #endif

 #if CONFIG_SYS_I2C2_OFFSET
 	/* Enable I2C2 signals instead of SD signals */
 	volatile struct ccsr_gur *gur;
 	gur = (struct ccsr_gur *)(CONFIG_SYS_IMMR + 0xe0000);
 	gur->plppar1 &= ~PLPPAR1_I2C_BIT_MASK;
 	gur->plppar1 |= PLPPAR1_I2C2_VAL;
 	gur->plpdir1 &= ~PLPDIR1_I2C_BIT_MASK;
 	gur->plpdir1 |= PLPDIR1_I2C2_VAL;

 	disable_8569mds_brd_eeprom_write_protect();
 #endif

 	return 0;
 }

 int board_early_init_r(void)
 {
 	const unsigned int flashbase = CONFIG_SYS_NAND_BASE;
 	const u8 flash_esel = 0;

 	/*
 	 * Remap Boot flash 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 */
 	disable_tlb(flash_esel);

 	set_tlb(1, flashbase, CONFIG_SYS_NAND_BASE,	/* tlb, epn, rpn */
 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
 		0, flash_esel,				/* ts, esel */
 		BOOKE_PAGESZ_64M, 1);			/* tsize, iprot */

 	return 0;
 }

 int checkboard (void)
 {
 	printf ("Board: 8569 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);

 	out_be32(&gur->ddrdllcr, 0x81000000);
 	udelay(200);
 #endif

 #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)
 phys_size_t fixed_sdram(void)
 {
 	volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR;
 	uint d_init;

 	out_be32(&ddr->cs0_bnds, CONFIG_SYS_DDR_CS0_BNDS);
 	out_be32(&ddr->cs0_config, CONFIG_SYS_DDR_CS0_CONFIG);
 	out_be32(&ddr->timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
 	out_be32(&ddr->timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
 	out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
 	out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
 	out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
 	out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2);
 	out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_SDRAM_MODE);
 	out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_SDRAM_MODE_2);
 	out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_SDRAM_INTERVAL);
 	out_be32(&ddr->sdram_data_init, CONFIG_SYS_DDR_DATA_INIT);
 	out_be32(&ddr->sdram_clk_cntl, CONFIG_SYS_DDR_SDRAM_CLK_CNTL);
 	out_be32(&ddr->timing_cfg_4, CONFIG_SYS_DDR_TIMING_4);
 	out_be32(&ddr->timing_cfg_5, CONFIG_SYS_DDR_TIMING_5);
 	out_be32(&ddr->ddr_zq_cntl, CONFIG_SYS_DDR_ZQ_CNTL);
 	out_be32(&ddr->ddr_wrlvl_cntl, CONFIG_SYS_DDR_WRLVL_CNTL);
 	out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2);
 #if defined (CONFIG_DDR_ECC)
 	out_be32(&ddr->err_int_en, CONFIG_SYS_DDR_ERR_INT_EN);
 	out_be32(&ddr->err_disable, CONFIG_SYS_DDR_ERR_DIS);
 	out_be32(&ddr->err_sbe, CONFIG_SYS_DDR_SBE);
 #endif
 	udelay(500);

 	out_be32(&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");
 	udelay(500);
 #endif
 	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
 }
 #endif

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

 	out_be32(&gur->lbiuiplldcr1, 0x00078080);
 	if (clkdiv == 16)
 		out_be32(&gur->lbiuiplldcr0, 0x7c0f1bf0);
 	else if (clkdiv == 8)
 		out_be32(&gur->lbiuiplldcr0, 0x6c0f1bf0);
 	else if (clkdiv == 4)
 		out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0);

 	out_be32(&lbc->lcrr, (u32)in_be32(&lbc->lcrr)| 0x00030000);
 }

 static void fdt_board_disable_serial(void *blob, bd_t *bd, const char *alias)
 {
 	const char *status = "disabled";
 	int off;
 	int err;

 	off = fdt_path_offset(blob, alias);
 	if (off < 0) {
 		printf("WARNING: could not find %s alias: %s.\n", alias,
 			fdt_strerror(off));
 		return;
 	}

 	err = fdt_setprop(blob, off, "status", status, strlen(status) + 1);
 	if (err) {
 		printf("WARNING: could not set status for serial0: %s.\n",
 			fdt_strerror(err));
 		return;
 	}
 }

 /*
  * Because of an erratum in prototype boards it is impossible to use eSDHC
  * without disabling UART0 (which makes it quite easy to 'brick' the board
  * by simply issung 'setenv hwconfig esdhc', and not able to interact with
  * U-Boot anylonger).
  *
  * So, but default we assume that the board is a prototype, which is a most
  * safe assumption. There is no way to determine board revision from a
  * register, so we use hwconfig.
  */

 static int prototype_board(void)
 {
 	if (hwconfig_subarg("board", "rev", NULL))
 		return hwconfig_subarg_cmp("board", "rev", "prototype");
 	return 1;
 }

 static int esdhc_disables_uart0(void)
 {
 	return prototype_board() ||
 	       hwconfig_subarg_cmp("esdhc", "mode", "4-bits");
 }

 static void fdt_board_fixup_qe_uart(void *blob, bd_t *bd)
 {
 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
 	const char *devtype = "serial";
 	const char *compat = "ucc_uart";
 	const char *clk = "brg9";
 	u32 portnum = 0;
 	int off = -1;

 	if (!hwconfig("qe_uart"))
 		return;

 	if (hwconfig("esdhc") && esdhc_disables_uart0()) {
 		printf("QE UART: won't enable with esdhc.\n");
 		return;
 	}

 	fdt_board_disable_serial(blob, bd, "serial1");

 	while (1) {
 		const u32 *idx;
 		int len;

 		off = fdt_node_offset_by_compatible(blob, off, "ucc_geth");
 		if (off < 0) {
 			printf("WARNING: unable to fixup device tree for "
 				"QE UART\n");
 			return;
 		}

 		idx = fdt_getprop(blob, off, "cell-index", &len);
 		if (!idx || len != sizeof(*idx) || *idx != fdt32_to_cpu(2))
 			continue;
 		break;
 	}

 	fdt_setprop(blob, off, "device_type", devtype, strlen(devtype) + 1);
 	fdt_setprop(blob, off, "compatible", compat, strlen(compat) + 1);
 	fdt_setprop(blob, off, "tx-clock-name", clk, strlen(clk) + 1);
 	fdt_setprop(blob, off, "rx-clock-name", clk, strlen(clk) + 1);
 	fdt_setprop(blob, off, "port-number", &portnum, sizeof(portnum));

 	setbits_8(&bcsr[15], BCSR15_QEUART_EN);
 }

 #ifdef CONFIG_FSL_ESDHC

 int board_mmc_init(bd_t *bd)
 {
 	struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
 	u8 bcsr6 = BCSR6_SD_CARD_1BIT;

 	if (!hwconfig("esdhc"))
 		return 0;

 	printf("Enabling eSDHC...\n"
 	       "  For eSDHC to function, I2C2 ");
 	if (esdhc_disables_uart0()) {
 		printf("and UART0 should be disabled.\n");
 		printf("  Redirecting stderr, stdout and stdin to UART1...\n");
 		console_assign(stderr, "eserial1");
 		console_assign(stdout, "eserial1");
 		console_assign(stdin, "eserial1");
 		printf("Switched to UART1 (initial log has been printed to "
 		       "UART0).\n");

 		clrsetbits_be32(&gur->plppar1, PLPPAR1_UART0_BIT_MASK,
 					       PLPPAR1_ESDHC_4BITS_VAL);
 		clrsetbits_be32(&gur->plpdir1, PLPDIR1_UART0_BIT_MASK,
 					       PLPDIR1_ESDHC_4BITS_VAL);
 		bcsr6 |= BCSR6_SD_CARD_4BITS;
 	} else {
 		printf("should be disabled.\n");
 	}

 	/* Assign I2C2 signals to eSDHC. */
 	clrsetbits_be32(&gur->plppar1, PLPPAR1_I2C_BIT_MASK,
 				       PLPPAR1_ESDHC_VAL);
 	clrsetbits_be32(&gur->plpdir1, PLPDIR1_I2C_BIT_MASK,
 				       PLPDIR1_ESDHC_VAL);

 	/* Mux I2C2 (and optionally UART0) signals to eSDHC. */
 	setbits_8(&bcsr[6], bcsr6);

 	return fsl_esdhc_mmc_init(bd);
 }

 static void fdt_board_fixup_esdhc(void *blob, bd_t *bd)
 {
 	const char *status = "disabled";
 	int off = -1;

 	if (!hwconfig("esdhc"))
 		return;

 	if (esdhc_disables_uart0())
 		fdt_board_disable_serial(blob, bd, "serial0");

 	while (1) {
 		const u32 *idx;
 		int len;

 		off = fdt_node_offset_by_compatible(blob, off, "fsl-i2c");
 		if (off < 0)
 			break;

 		idx = fdt_getprop(blob, off, "cell-index", &len);
 		if (!idx || len != sizeof(*idx))
 			continue;

 		if (*idx == 1) {
 			fdt_setprop(blob, off, "status", status,
 				    strlen(status) + 1);
 			break;
 		}
 	}

 	if (hwconfig_subarg_cmp("esdhc", "mode", "4-bits")) {
 		off = fdt_node_offset_by_compatible(blob, -1, "fsl,esdhc");
 		if (off < 0) {
 			printf("WARNING: could not find esdhc node\n");
 			return;
 		}
 		fdt_delprop(blob, off, "sdhci,1-bit-only");
 	}
 }
 #else
 static inline void fdt_board_fixup_esdhc(void *blob, bd_t *bd) {}
 #endif

 static void fdt_board_fixup_qe_usb(void *blob, bd_t *bd)
 {
 	u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;

 	if (hwconfig_subarg_cmp("qe_usb", "speed", "low"))
 		clrbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);
 	else
 		setbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);

 	if (hwconfig_subarg_cmp("qe_usb", "mode", "peripheral")) {
 		clrbits_8(&bcsr[17], BCSR17_USBVCC);
 		clrbits_8(&bcsr[17], BCSR17_USBMODE);
 		do_fixup_by_compat(blob, "fsl,mpc8569-qe-usb", "mode",
 				   "peripheral", sizeof("peripheral"), 1);
 	} else {
 		setbits_8(&bcsr[17], BCSR17_USBVCC);
 		setbits_8(&bcsr[17], BCSR17_USBMODE);
 	}

 	clrbits_8(&bcsr[17], BCSR17_nUSBEN);
 }

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

 #ifdef CONFIG_PCI
 void pci_init_board(void)
 {
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	struct fsl_pci_info pci_info[1];
 	u32 devdisr, pordevsr, io_sel;
 	int first_free_busno = 0;
 	int num = 0;

 	int pcie_ep, pcie_configured;

 	devdisr = in_be32(&gur->devdisr);
 	pordevsr = in_be32(&gur->pordevsr);
 	io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;

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

 #if defined(CONFIG_PQ_MDS_PIB)
 	pib_init();
 #endif

 #ifdef CONFIG_PCIE1
 	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);

 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
 		pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
 		printf ("    PCIE1 connected to Slot as %s (base addr %lx)\n",
 				pcie_ep ? "Endpoint" : "Root Complex",
 				pci_info[num].regs);
 		first_free_busno = fsl_pci_init_port(&pci_info[num++],
 					&pcie1_hose, first_free_busno);
 	} else {
 		printf ("    PCIE1: disabled\n");
 	}

 	puts("\n");
 #else
 	setbits_be32(&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)
 {
 #if defined(CONFIG_SYS_UCC_RMII_MODE)
 	int nodeoff, off, err;
 	unsigned int val;
 	const u32 *ph;
 	const u32 *index;

 	/* fixup device tree for supporting rmii mode */
 	nodeoff = -1;
 	while ((nodeoff = fdt_node_offset_by_compatible(blob, nodeoff,
 				"ucc_geth")) >= 0) {
 		err = fdt_setprop_string(blob, nodeoff, "tx-clock-name",
 						"clk16");
 		if (err < 0) {
 			printf("WARNING: could not set tx-clock-name %s.\n",
 				fdt_strerror(err));
 			break;
 		}

 		err = fdt_setprop_string(blob, nodeoff, "phy-connection-type",
 					"rmii");
 		if (err < 0) {
 			printf("WARNING: could not set phy-connection-type "
 				"%s.\n", fdt_strerror(err));
 			break;
 		}

 		index = fdt_getprop(blob, nodeoff, "cell-index", 0);
 		if (index == NULL) {
 			printf("WARNING: could not get cell-index of ucc\n");
 			break;
 		}

 		ph = fdt_getprop(blob, nodeoff, "phy-handle", 0);
 		if (ph == NULL) {
 			printf("WARNING: could not get phy-handle of ucc\n");
 			break;
 		}

 		off = fdt_node_offset_by_phandle(blob, *ph);
 		if (off < 0) {
 			printf("WARNING: could not get phy node	%s.\n",
 				fdt_strerror(err));
 			break;
 		}

 		val = 0x7 + *index; /* RMII phy address starts from 0x8 */

 		err = fdt_setprop(blob, off, "reg", &val, sizeof(u32));
 		if (err < 0) {
 			printf("WARNING: could not set reg for phy-handle "
 				"%s.\n", fdt_strerror(err));
 			break;
 		}
 	}
 #endif
 	ft_cpu_setup(blob, bd);

 	FT_FSL_PCI_SETUP;

 	fdt_board_fixup_esdhc(blob, bd);
 	fdt_board_fixup_qe_uart(blob, bd);
 	fdt_board_fixup_qe_usb(blob, bd);
 }
 #endif
	/*
	* Copyright 2009-2010 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 <hwconfig.h>
	#include <pci.h>
	#include <asm/processor.h>
	#include <asm/mmu.h>
	#include <asm/cache.h>
	#include <asm/immap_85xx.h>
	#include <asm/fsl_pci.h>
	#include <asm/fsl_ddr_sdram.h>
	#include <asm/io.h>
	#include <spd_sdram.h>
	#include <i2c.h>
	#include <ioports.h>
	#include <libfdt.h>
	#include <fdt_support.h>
	#include <fsl_esdhc.h>

	#include "bcsr.h"
	#if defined(CONFIG_PQ_MDS_PIB)
	#include "../common/pq-mds-pib.h"
	#endif

	phys_size_t fixed_sdram(void);

	const qe_iop_conf_t qe_iop_conf_tab[] = {
	/* QE_MUX_MDC */
	{2, 31, 1, 0, 1}, /* QE_MUX_MDC */

	/* QE_MUX_MDIO */
	{2, 30, 3, 0, 2}, /* QE_MUX_MDIO */

	#if defined(CONFIG_SYS_UCC_RGMII_MODE)
	/* UCC_1_RGMII */
	{2, 11, 2, 0, 1}, /* CLK12 */
	{0, 0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0 */
	{0, 1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1 */
	{0, 2, 1, 0, 1}, /* ENET1_TXD2_SER1_TXD2 */
	{0, 3, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3 */
	{0, 6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0 */
	{0, 7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1 */
	{0, 8, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2 */
	{0, 9, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3 */
	{0, 4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B */
	{0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B */
	{2, 8, 2, 0, 1}, /* ENET1_GRXCLK */
	{2, 20, 1, 0, 2}, /* ENET1_GTXCLK */

	/* UCC_2_RGMII */
	{2, 16, 2, 0, 3}, /* CLK17 */
	{0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0 */
	{0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1 */
	{0, 16, 1, 0, 1}, /* ENET2_TXD2_SER2_TXD2 */
	{0, 17, 1, 0, 1}, /* ENET2_TXD3_SER2_TXD3 */
	{0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0 */
	{0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1 */
	{0, 22, 2, 0, 1}, /* ENET2_RXD2_SER2_RXD2 */
	{0, 23, 2, 0, 1}, /* ENET2_RXD3_SER2_RXD3 */
	{0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B */
	{0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B */
	{2, 3, 2, 0, 1}, /* ENET2_GRXCLK */
	{2, 2, 1, 0, 2}, /* ENET2_GTXCLK */

	/* UCC_3_RGMII */
	{2, 11, 2, 0, 1}, /* CLK12 */
	{0, 29, 1, 0, 2}, /* ENET3_TXD0_SER3_TXD0 */
	{0, 30, 1, 0, 3}, /* ENET3_TXD1_SER3_TXD1 */
	{0, 31, 1, 0, 2}, /* ENET3_TXD2_SER3_TXD2 */
	{1, 0, 1, 0, 3}, /* ENET3_TXD3_SER3_TXD3 */
	{1, 3, 2, 0, 3}, /* ENET3_RXD0_SER3_RXD0 */
	{1, 4, 2, 0, 1}, /* ENET3_RXD1_SER3_RXD1 */
	{1, 5, 2, 0, 2}, /* ENET3_RXD2_SER3_RXD2 */
	{1, 6, 2, 0, 3}, /* ENET3_RXD3_SER3_RXD3 */
	{1, 1, 1, 0, 1}, /* ENET3_TX_EN_SER3_RTS_B */
	{1, 9, 2, 0, 3}, /* ENET3_RX_DV_SER3_CTS_B */
	{2, 9, 2, 0, 2}, /* ENET3_GRXCLK */
	{2, 25, 1, 0, 2}, /* ENET3_GTXCLK */

	/* UCC_4_RGMII */
	{2, 16, 2, 0, 3}, /* CLK17 */
	{1, 12, 1, 0, 2}, /* ENET4_TXD0_SER4_TXD0 */
	{1, 13, 1, 0, 2}, /* ENET4_TXD1_SER4_TXD1 */
	{1, 14, 1, 0, 1}, /* ENET4_TXD2_SER4_TXD2 */
	{1, 15, 1, 0, 2}, /* ENET4_TXD3_SER4_TXD3 */
	{1, 18, 2, 0, 2}, /* ENET4_RXD0_SER4_RXD0 */
	{1, 19, 2, 0, 1}, /* ENET4_RXD1_SER4_RXD1 */
	{1, 20, 2, 0, 1}, /* ENET4_RXD2_SER4_RXD2 */
	{1, 21, 2, 0, 2}, /* ENET4_RXD3_SER4_RXD3 */
	{1, 16, 1, 0, 2}, /* ENET4_TX_EN_SER4_RTS_B */
	{1, 24, 2, 0, 3}, /* ENET4_RX_DV_SER4_CTS_B */
	{2, 17, 2, 0, 2}, /* ENET4_GRXCLK */
	{2, 24, 1, 0, 2}, /* ENET4_GTXCLK */

	#elif defined(CONFIG_SYS_UCC_RMII_MODE)
	/* UCC_1_RMII */
	{2, 15, 2, 0, 1}, /* CLK16 */
	{0, 0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0 */
	{0, 1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1 */
	{0, 6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0 */
	{0, 7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1 */
	{0, 4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B */
	{0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B */

	/* UCC_2_RMII */
	{2, 15, 2, 0, 1}, /* CLK16 */
	{0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0 */
	{0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1 */
	{0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0 */
	{0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1 */
	{0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B */
	{0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B */

	/* UCC_3_RMII */
	{2, 15, 2, 0, 1}, /* CLK16 */
	{0, 29, 1, 0, 2}, /* ENET3_TXD0_SER3_TXD0 */
	{0, 30, 1, 0, 3}, /* ENET3_TXD1_SER3_TXD1 */
	{1, 3, 2, 0, 3}, /* ENET3_RXD0_SER3_RXD0 */
	{1, 4, 2, 0, 1}, /* ENET3_RXD1_SER3_RXD1 */
	{1, 1, 1, 0, 1}, /* ENET3_TX_EN_SER3_RTS_B */
	{1, 9, 2, 0, 3}, /* ENET3_RX_DV_SER3_CTS_B */

	/* UCC_4_RMII */
	{2, 15, 2, 0, 1}, /* CLK16 */
	{1, 12, 1, 0, 2}, /* ENET4_TXD0_SER4_TXD0 */
	{1, 13, 1, 0, 2}, /* ENET4_TXD1_SER4_TXD1 */
	{1, 18, 2, 0, 2}, /* ENET4_RXD0_SER4_RXD0 */
	{1, 19, 2, 0, 1}, /* ENET4_RXD1_SER4_RXD1 */
	{1, 16, 1, 0, 2}, /* ENET4_TX_EN_SER4_RTS_B */
	{1, 24, 2, 0, 3}, /* ENET4_RX_DV_SER4_CTS_B */
	#endif

	/* UART1 is muxed with QE PortF bit [9-12].*/
	{5, 12, 2, 0, 3}, /* UART1_SIN */
	{5, 9, 1, 0, 3}, /* UART1_SOUT */
	{5, 10, 2, 0, 3}, /* UART1_CTS_B */
	{5, 11, 1, 0, 2}, /* UART1_RTS_B */

	/* QE UART */
	{0, 19, 1, 0, 2}, /* QEUART_TX */
	{1, 17, 2, 0, 3}, /* QEUART_RX */
	{0, 25, 1, 0, 1}, /* QEUART_RTS */
	{1, 23, 2, 0, 1}, /* QEUART_CTS */

	/* QE USB */
	{5, 3, 1, 0, 1}, /* USB_OE */
	{5, 4, 1, 0, 2}, /* USB_TP */
	{5, 5, 1, 0, 2}, /* USB_TN */
	{5, 6, 2, 0, 2}, /* USB_RP */
	{5, 7, 2, 0, 1}, /* USB_RX */
	{5, 8, 2, 0, 1}, /* USB_RN */
	{2, 4, 2, 0, 2}, /* CLK5 */

	/* SPI Flash, M25P40 */
	{4, 27, 3, 0, 1}, /* SPI_MOSI */
	{4, 28, 3, 0, 1}, /* SPI_MISO */
	{4, 29, 3, 0, 1}, /* SPI_CLK */
	{4, 30, 1, 0, 0}, /* SPI_SEL, GPIO */

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

	void local_bus_init(void);

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

	enable_8569mds_flash_write();

	#ifdef CONFIG_QE
	enable_8569mds_qe_uec();
	#endif

	#if CONFIG_SYS_I2C2_OFFSET
	/* Enable I2C2 signals instead of SD signals */
	volatile struct ccsr_gur *gur;
	gur = (struct ccsr_gur *)(CONFIG_SYS_IMMR + 0xe0000);
	gur->plppar1 &= ~PLPPAR1_I2C_BIT_MASK;
	gur->plppar1 \|= PLPPAR1_I2C2_VAL;
	gur->plpdir1 &= ~PLPDIR1_I2C_BIT_MASK;
	gur->plpdir1 \|= PLPDIR1_I2C2_VAL;

	disable_8569mds_brd_eeprom_write_protect();
	#endif

	return 0;
	}

	int board_early_init_r(void)
	{
	const unsigned int flashbase = CONFIG_SYS_NAND_BASE;
	const u8 flash_esel = 0;

	/*
	* Remap Boot flash 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 */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_NAND_BASE, /* tlb, epn, rpn */
	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G, /* perms, wimge */
	0, flash_esel, /* ts, esel */
	BOOKE_PAGESZ_64M, 1); /* tsize, iprot */

	return 0;
	}

	int checkboard (void)
	{
	printf ("Board: 8569 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);

	out_be32(&gur->ddrdllcr, 0x81000000);
	udelay(200);
	#endif

	#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)
	phys_size_t fixed_sdram(void)
	{
	volatile ccsr_ddr_t ddr = (ccsr_ddr_t )CONFIG_SYS_MPC85xx_DDR_ADDR;
	uint d_init;

	out_be32(&ddr->cs0_bnds, CONFIG_SYS_DDR_CS0_BNDS);
	out_be32(&ddr->cs0_config, CONFIG_SYS_DDR_CS0_CONFIG);
	out_be32(&ddr->timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
	out_be32(&ddr->timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
	out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
	out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
	out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
	out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2);
	out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_SDRAM_MODE);
	out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_SDRAM_MODE_2);
	out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_SDRAM_INTERVAL);
	out_be32(&ddr->sdram_data_init, CONFIG_SYS_DDR_DATA_INIT);
	out_be32(&ddr->sdram_clk_cntl, CONFIG_SYS_DDR_SDRAM_CLK_CNTL);
	out_be32(&ddr->timing_cfg_4, CONFIG_SYS_DDR_TIMING_4);
	out_be32(&ddr->timing_cfg_5, CONFIG_SYS_DDR_TIMING_5);
	out_be32(&ddr->ddr_zq_cntl, CONFIG_SYS_DDR_ZQ_CNTL);
	out_be32(&ddr->ddr_wrlvl_cntl, CONFIG_SYS_DDR_WRLVL_CNTL);
	out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2);
	#if defined (CONFIG_DDR_ECC)
	out_be32(&ddr->err_int_en, CONFIG_SYS_DDR_ERR_INT_EN);
	out_be32(&ddr->err_disable, CONFIG_SYS_DDR_ERR_DIS);
	out_be32(&ddr->err_sbe, CONFIG_SYS_DDR_SBE);
	#endif
	udelay(500);

	out_be32(&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");
	udelay(500);
	#endif
	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
	}
	#endif

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

	out_be32(&gur->lbiuiplldcr1, 0x00078080);
	if (clkdiv == 16)
	out_be32(&gur->lbiuiplldcr0, 0x7c0f1bf0);
	else if (clkdiv == 8)
	out_be32(&gur->lbiuiplldcr0, 0x6c0f1bf0);
	else if (clkdiv == 4)
	out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0);

	out_be32(&lbc->lcrr, (u32)in_be32(&lbc->lcrr)\| 0x00030000);
	}

	static void fdt_board_disable_serial(void blob, bd_t bd, const char *alias)
	{
	const char *status = "disabled";
	int off;
	int err;

	off = fdt_path_offset(blob, alias);
	if (off < 0) {
	printf("WARNING: could not find %s alias: %s.\n", alias,
	fdt_strerror(off));
	return;
	}

	err = fdt_setprop(blob, off, "status", status, strlen(status) + 1);
	if (err) {
	printf("WARNING: could not set status for serial0: %s.\n",
	fdt_strerror(err));
	return;
	}
	}

	/*
	* Because of an erratum in prototype boards it is impossible to use eSDHC
	* without disabling UART0 (which makes it quite easy to 'brick' the board
	* by simply issung 'setenv hwconfig esdhc', and not able to interact with
	* U-Boot anylonger).
	*
	* So, but default we assume that the board is a prototype, which is a most
	* safe assumption. There is no way to determine board revision from a
	* register, so we use hwconfig.
	*/

	static int prototype_board(void)
	{
	if (hwconfig_subarg("board", "rev", NULL))
	return hwconfig_subarg_cmp("board", "rev", "prototype");
	return 1;
	}

	static int esdhc_disables_uart0(void)
	{
	return prototype_board() \|\|
	hwconfig_subarg_cmp("esdhc", "mode", "4-bits");
	}

	static void fdt_board_fixup_qe_uart(void blob, bd_t bd)
	{
	u8 bcsr = (u8 )CONFIG_SYS_BCSR_BASE;
	const char *devtype = "serial";
	const char *compat = "ucc_uart";
	const char *clk = "brg9";
	u32 portnum = 0;
	int off = -1;

	if (!hwconfig("qe_uart"))
	return;

	if (hwconfig("esdhc") && esdhc_disables_uart0()) {
	printf("QE UART: won't enable with esdhc.\n");
	return;
	}

	fdt_board_disable_serial(blob, bd, "serial1");

	while (1) {
	const u32 *idx;
	int len;

	off = fdt_node_offset_by_compatible(blob, off, "ucc_geth");
	if (off < 0) {
	printf("WARNING: unable to fixup device tree for "
	"QE UART\n");
	return;
	}

	idx = fdt_getprop(blob, off, "cell-index", &len);
	if (!idx \|\| len != sizeof(idx) \|\| idx != fdt32_to_cpu(2))
	continue;
	break;
	}

	fdt_setprop(blob, off, "device_type", devtype, strlen(devtype) + 1);
	fdt_setprop(blob, off, "compatible", compat, strlen(compat) + 1);
	fdt_setprop(blob, off, "tx-clock-name", clk, strlen(clk) + 1);
	fdt_setprop(blob, off, "rx-clock-name", clk, strlen(clk) + 1);
	fdt_setprop(blob, off, "port-number", &portnum, sizeof(portnum));

	setbits_8(&bcsr[15], BCSR15_QEUART_EN);
	}

	#ifdef CONFIG_FSL_ESDHC

	int board_mmc_init(bd_t *bd)
	{
	struct ccsr_gur gur = (struct ccsr_gur )CONFIG_SYS_MPC85xx_GUTS_ADDR;
	u8 bcsr = (u8 )CONFIG_SYS_BCSR_BASE;
	u8 bcsr6 = BCSR6_SD_CARD_1BIT;

	if (!hwconfig("esdhc"))
	return 0;

	printf("Enabling eSDHC...\n"
	" For eSDHC to function, I2C2 ");
	if (esdhc_disables_uart0()) {
	printf("and UART0 should be disabled.\n");
	printf(" Redirecting stderr, stdout and stdin to UART1...\n");
	console_assign(stderr, "eserial1");
	console_assign(stdout, "eserial1");
	console_assign(stdin, "eserial1");
	printf("Switched to UART1 (initial log has been printed to "
	"UART0).\n");

	clrsetbits_be32(&gur->plppar1, PLPPAR1_UART0_BIT_MASK,
	PLPPAR1_ESDHC_4BITS_VAL);
	clrsetbits_be32(&gur->plpdir1, PLPDIR1_UART0_BIT_MASK,
	PLPDIR1_ESDHC_4BITS_VAL);
	bcsr6 \|= BCSR6_SD_CARD_4BITS;
	} else {
	printf("should be disabled.\n");
	}

	/* Assign I2C2 signals to eSDHC. */
	clrsetbits_be32(&gur->plppar1, PLPPAR1_I2C_BIT_MASK,
	PLPPAR1_ESDHC_VAL);
	clrsetbits_be32(&gur->plpdir1, PLPDIR1_I2C_BIT_MASK,
	PLPDIR1_ESDHC_VAL);

	/* Mux I2C2 (and optionally UART0) signals to eSDHC. */
	setbits_8(&bcsr[6], bcsr6);

	return fsl_esdhc_mmc_init(bd);
	}

	static void fdt_board_fixup_esdhc(void blob, bd_t bd)
	{
	const char *status = "disabled";
	int off = -1;

	if (!hwconfig("esdhc"))
	return;

	if (esdhc_disables_uart0())
	fdt_board_disable_serial(blob, bd, "serial0");

	while (1) {
	const u32 *idx;
	int len;

	off = fdt_node_offset_by_compatible(blob, off, "fsl-i2c");
	if (off < 0)
	break;

	idx = fdt_getprop(blob, off, "cell-index", &len);
	if (!idx \|\| len != sizeof(*idx))
	continue;

	if (*idx == 1) {
	fdt_setprop(blob, off, "status", status,
	strlen(status) + 1);
	break;
	}
	}

	if (hwconfig_subarg_cmp("esdhc", "mode", "4-bits")) {
	off = fdt_node_offset_by_compatible(blob, -1, "fsl,esdhc");
	if (off < 0) {
	printf("WARNING: could not find esdhc node\n");
	return;
	}
	fdt_delprop(blob, off, "sdhci,1-bit-only");
	}
	}
	#else
	static inline void fdt_board_fixup_esdhc(void blob, bd_t bd) {}
	#endif

	static void fdt_board_fixup_qe_usb(void blob, bd_t bd)
	{
	u8 bcsr = (u8 )CONFIG_SYS_BCSR_BASE;

	if (hwconfig_subarg_cmp("qe_usb", "speed", "low"))
	clrbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);
	else
	setbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);

	if (hwconfig_subarg_cmp("qe_usb", "mode", "peripheral")) {
	clrbits_8(&bcsr[17], BCSR17_USBVCC);
	clrbits_8(&bcsr[17], BCSR17_USBMODE);
	do_fixup_by_compat(blob, "fsl,mpc8569-qe-usb", "mode",
	"peripheral", sizeof("peripheral"), 1);
	} else {
	setbits_8(&bcsr[17], BCSR17_USBVCC);
	setbits_8(&bcsr[17], BCSR17_USBMODE);
	}

	clrbits_8(&bcsr[17], BCSR17_nUSBEN);
	}

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

	#ifdef CONFIG_PCI
	void pci_init_board(void)
	{
	volatile ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	struct fsl_pci_info pci_info[1];
	u32 devdisr, pordevsr, io_sel;
	int first_free_busno = 0;
	int num = 0;

	int pcie_ep, pcie_configured;

	devdisr = in_be32(&gur->devdisr);
	pordevsr = in_be32(&gur->pordevsr);
	io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;

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

	#if defined(CONFIG_PQ_MDS_PIB)
	pib_init();
	#endif

	#ifdef CONFIG_PCIE1
	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);

	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
	SET_STD_PCIE_INFO(pci_info[num], 1);
	pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
	printf (" PCIE1 connected to Slot as %s (base addr %lx)\n",
	pcie_ep ? "Endpoint" : "Root Complex",
	pci_info[num].regs);
	first_free_busno = fsl_pci_init_port(&pci_info[num++],
	&pcie1_hose, first_free_busno);
	} else {
	printf (" PCIE1: disabled\n");
	}

	puts("\n");
	#else
	setbits_be32(&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)
	{
	#if defined(CONFIG_SYS_UCC_RMII_MODE)
	int nodeoff, off, err;
	unsigned int val;
	const u32 *ph;
	const u32 *index;

	/* fixup device tree for supporting rmii mode */
	nodeoff = -1;
	while ((nodeoff = fdt_node_offset_by_compatible(blob, nodeoff,
	"ucc_geth")) >= 0) {
	err = fdt_setprop_string(blob, nodeoff, "tx-clock-name",
	"clk16");
	if (err < 0) {
	printf("WARNING: could not set tx-clock-name %s.\n",
	fdt_strerror(err));
	break;
	}

	err = fdt_setprop_string(blob, nodeoff, "phy-connection-type",
	"rmii");
	if (err < 0) {
	printf("WARNING: could not set phy-connection-type "
	"%s.\n", fdt_strerror(err));
	break;
	}

	index = fdt_getprop(blob, nodeoff, "cell-index", 0);
	if (index == NULL) {
	printf("WARNING: could not get cell-index of ucc\n");
	break;
	}

	ph = fdt_getprop(blob, nodeoff, "phy-handle", 0);
	if (ph == NULL) {
	printf("WARNING: could not get phy-handle of ucc\n");
	break;
	}

	off = fdt_node_offset_by_phandle(blob, *ph);
	if (off < 0) {
	printf("WARNING: could not get phy node %s.\n",
	fdt_strerror(err));
	break;
	}

	val = 0x7 + index; / RMII phy address starts from 0x8 */

	err = fdt_setprop(blob, off, "reg", &val, sizeof(u32));
	if (err < 0) {
	printf("WARNING: could not set reg for phy-handle "
	"%s.\n", fdt_strerror(err));
	break;
	}
	}
	#endif
	ft_cpu_setup(blob, bd);

	FT_FSL_PCI_SETUP;

	fdt_board_fixup_esdhc(blob, bd);
	fdt_board_fixup_qe_uart(blob, bd);
	fdt_board_fixup_qe_usb(blob, bd);
	}
	#endif