board/freescale/mpc5121ads/mpc5121ads.c - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2007-2009 DENX Software Engineering
  *
  * 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 <asm/bitops.h>
 #include <command.h>
 #include <asm/io.h>
 #include <asm/processor.h>
 #include <fdt_support.h>
 #ifdef CONFIG_MISC_INIT_R
 #include <i2c.h>
 #endif

 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>

 DECLARE_GLOBAL_DATA_PTR;

 extern int mpc5121_diu_init(void);
 extern void ide_set_reset(int idereset);

 /* Clocks in use */
 #define SCCR1_CLOCKS_EN	(CLOCK_SCCR1_CFG_EN |				\
 			 CLOCK_SCCR1_DDR_EN |				\
 			 CLOCK_SCCR1_FEC_EN |				\
 			 CLOCK_SCCR1_LPC_EN |				\
 			 CLOCK_SCCR1_NFC_EN |				\
 			 CLOCK_SCCR1_PATA_EN |				\
 			 CLOCK_SCCR1_PCI_EN |				\
 			 CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) |	\
 			 CLOCK_SCCR1_PSCFIFO_EN |			\
 			 CLOCK_SCCR1_TPR_EN)

 #define SCCR2_CLOCKS_EN	(CLOCK_SCCR2_DIU_EN |		\
 			 CLOCK_SCCR2_I2C_EN |		\
 			 CLOCK_SCCR2_MEM_EN |		\
 			 CLOCK_SCCR2_SPDIF_EN)

 #define CSAW_START(start)	((start) & 0xFFFF0000)
 #define CSAW_STOP(start, size)	(((start) + (size) - 1) >> 16)

 long int fixed_sdram(void);
 void __mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip);

 /* Active chip number set in board_nand_select_device() (mpc5121_nfc.c) */
 extern int mpc5121_nfc_chip;

 /* Control chips select signal on MPC5121ADS board */
 void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip)
 {
 	unsigned char *csreg = (u8 *)CONFIG_SYS_CPLD_BASE + 0x09;
 	u8 v;

 	v = in_8(csreg);
 	v |= 0x0F;

 	if (chip >= 0) {
 		__mpc5121_nfc_select_chip(mtd, 0);
 		v &= ~(1 << mpc5121_nfc_chip);
 	} else {
 		__mpc5121_nfc_select_chip(mtd, -1);
 	}

 	out_8(csreg, v);
 }

 int board_early_init_f (void)
 {
 	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
 	u32 lpcaw, spridr;

 	/*
 	 * Initialize Local Window for the CPLD registers access (CS2 selects
 	 * the CPLD chip)
 	 */
 	out_be32(&im->sysconf.lpcs2aw,
 		CSAW_START(CONFIG_SYS_CPLD_BASE) |
 		CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE)
 	);
 	out_be32(&im->lpc.cs_cfg[2], CONFIG_SYS_CS2_CFG);

 	/*
 	 * According to MPC5121e RM, configuring local access windows should
 	 * be followed by a dummy read of the config register that was
 	 * modified last and an isync
 	 */
 	lpcaw = in_be32(&im->sysconf.lpcs6aw);
 	__asm__ __volatile__ ("isync");

 	/*
 	 * Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control
 	 *
 	 * Without this the flash identification routine fails, as it needs to issue
 	 * write commands in order to establish the device ID.
 	 */

 #ifdef CONFIG_ADS5121_REV2
 	out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
 #else
 	if (in_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
 		out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
 	} else {
 		/* running from Backup flash */
 		out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0x32);
 	}
 #endif
 	/*
 	 * Configure Flash Speed
 	 */
 	out_be32(&im->lpc.cs_cfg[0], CONFIG_SYS_CS0_CFG);

 	spridr = in_be32(&im->sysconf.spridr);

 	if (SVR_MJREV (spridr) >= 2)
 		out_be32 (&im->lpc.altr, CONFIG_SYS_CS_ALETIMING);

 	/*
 	 * Enable clocks
 	 */
 	out_be32 (&im->clk.sccr[0], SCCR1_CLOCKS_EN);
 	out_be32 (&im->clk.sccr[1], SCCR2_CLOCKS_EN);
 #if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
 	setbits_be32 (&im->clk.sccr[1], CLOCK_SCCR2_IIM_EN);
 #endif

 	return 0;
 }

 phys_size_t initdram (int board_type)
 {
 	u32 msize = 0;

 	msize = fixed_sdram ();

 	return msize;
 }

 /*
  * fixed sdram init -- the board doesn't use memory modules that have serial presence
  * detect or similar mechanism for discovery of the DRAM settings
  */
 long int fixed_sdram (void)
 {
 	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
 	u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
 	u32 msize_log2 = __ilog2 (msize);
 	u32 i;

 	/* Initialize IO Control */
 	out_be32 (&im->io_ctrl.io_control_mem, IOCTRL_MUX_DDR);

 	/* Initialize DDR Local Window */
 	out_be32 (&im->sysconf.ddrlaw.bar, CONFIG_SYS_DDR_BASE & 0xFFFFF000);
 	out_be32 (&im->sysconf.ddrlaw.ar, msize_log2 - 1);

 	/*
 	 * According to MPC5121e RM, configuring local access windows should
 	 * be followed by a dummy read of the config register that was
 	 * modified last and an isync
 	 */
 	in_be32(&im->sysconf.ddrlaw.ar);
 	__asm__ __volatile__ ("isync");

 	/* Enable DDR */
 	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_EN);

 	/* Initialize DDR Priority Manager */
 	out_be32(&im->mddrc.prioman_config1, CONFIG_SYS_MDDRCGRP_PM_CFG1);
 	out_be32(&im->mddrc.prioman_config2, CONFIG_SYS_MDDRCGRP_PM_CFG2);
 	out_be32(&im->mddrc.hiprio_config, CONFIG_SYS_MDDRCGRP_HIPRIO_CFG);
 	out_be32(&im->mddrc.lut_table0_main_upper, CONFIG_SYS_MDDRCGRP_LUT0_MU);
 	out_be32(&im->mddrc.lut_table0_main_lower, CONFIG_SYS_MDDRCGRP_LUT0_ML);
 	out_be32(&im->mddrc.lut_table1_main_upper, CONFIG_SYS_MDDRCGRP_LUT1_MU);
 	out_be32(&im->mddrc.lut_table1_main_lower, CONFIG_SYS_MDDRCGRP_LUT1_ML);
 	out_be32(&im->mddrc.lut_table2_main_upper, CONFIG_SYS_MDDRCGRP_LUT2_MU);
 	out_be32(&im->mddrc.lut_table2_main_lower, CONFIG_SYS_MDDRCGRP_LUT2_ML);
 	out_be32(&im->mddrc.lut_table3_main_upper, CONFIG_SYS_MDDRCGRP_LUT3_MU);
 	out_be32(&im->mddrc.lut_table3_main_lower, CONFIG_SYS_MDDRCGRP_LUT3_ML);
 	out_be32(&im->mddrc.lut_table4_main_upper, CONFIG_SYS_MDDRCGRP_LUT4_MU);
 	out_be32(&im->mddrc.lut_table4_main_lower, CONFIG_SYS_MDDRCGRP_LUT4_ML);
 	out_be32(&im->mddrc.lut_table0_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT0_AU);
 	out_be32(&im->mddrc.lut_table0_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT0_AL);
 	out_be32(&im->mddrc.lut_table1_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT1_AU);
 	out_be32(&im->mddrc.lut_table1_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT1_AL);
 	out_be32(&im->mddrc.lut_table2_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT2_AU);
 	out_be32(&im->mddrc.lut_table2_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT2_AL);
 	out_be32(&im->mddrc.lut_table3_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT3_AU);
 	out_be32(&im->mddrc.lut_table3_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT3_AL);
 	out_be32(&im->mddrc.lut_table4_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT4_AU);
 	out_be32(&im->mddrc.lut_table4_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT4_AL);

 	/* Initialize MDDRC */
 	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG);
 	out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0);
 	out_be32(&im->mddrc.ddr_time_config1, CONFIG_SYS_MDDRC_TIME_CFG1);
 	out_be32(&im->mddrc.ddr_time_config2, CONFIG_SYS_MDDRC_TIME_CFG2);

 	/* Initialize DDR */
 	for (i = 0; i < 10; i++)
 		out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);

 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM3);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EN_DLL);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_OCD_DEFAULT);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
 	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);

 	/* Start MDDRC */
 	out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0_RUN);
 	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_RUN);

 	return msize;
 }

 int misc_init_r(void)
 {
 	u8 tmp_val;

 	/* Using this for DIU init before the driver in linux takes over
 	 *  Enable the TFP410 Encoder (I2C address 0x38)
 	 */

 	i2c_set_bus_num(2);
 	tmp_val = 0xBF;
 	i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
 	/* Verify if enabled */
 	tmp_val = 0;
 	i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
 	debug("DVI Encoder Read: 0x%02lx\n", tmp_val);

 	tmp_val = 0x10;
 	i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
 	/* Verify if enabled */
 	tmp_val = 0;
 	i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
 	debug("DVI Encoder Read: 0x%02lx\n", tmp_val);

 #ifdef CONFIG_FSL_DIU_FB
 # if	!(defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE))
 	mpc5121_diu_init();
 # endif
 #endif
 	return 0;
 }

 static  iopin_t ioregs_init[] = {
 	/* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
 	{
 		offsetof(struct ioctrl512x, io_control_spdif_txclk), 3, 0,
 		IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
 	},
 	/* Set highest Slew on 9 PATA pins */
 	{
 		offsetof(struct ioctrl512x, io_control_pata_ce1), 9, 1,
 		IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
 	},
 	/* FUNC1=FEC_COL Sets Next 15 to FEC pads */
 	{
 		offsetof(struct ioctrl512x, io_control_psc0_0), 15, 0,
 		IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
 	},
 	/* FUNC1=SPDIF_TXCLK */
 	{
 		offsetof(struct ioctrl512x, io_control_lpc_cs1), 1, 0,
 		IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 		IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
 	},
 	/* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */
 	{
 		offsetof(struct ioctrl512x, io_control_i2c1_scl), 2, 0,
 		IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 		IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
 	},
 	/* FUNC2=DIU CLK */
 	{
 		offsetof(struct ioctrl512x, io_control_psc6_0), 1, 0,
 		IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 		IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
 	},
 	/* FUNC2=DIU_HSYNC */
 	{
 		offsetof(struct ioctrl512x, io_control_psc6_1), 1, 0,
 		IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
 	},
 	/* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */
 	{
 		offsetof(struct ioctrl512x, io_control_psc6_4), 26, 0,
 		IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
 	}
 };

 static  iopin_t rev2_silicon_pci_ioregs_init[] = {
 	/* FUNC0=PCI Sets next 54 to PCI pads */
 	{
 		offsetof(struct ioctrl512x, io_control_pci_ad31), 54, 0,
 		IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_DS(0)
 	}
 };

 int checkboard (void)
 {
 	ushort brd_rev = *(vu_short *) (CONFIG_SYS_CPLD_BASE + 0x00);
 	uchar cpld_rev = *(vu_char *) (CONFIG_SYS_CPLD_BASE + 0x02);
 	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
 	u32 spridr = in_be32(&im->sysconf.spridr);

 	printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
 		brd_rev, cpld_rev);

 	/* initialize function mux & slew rate IO inter alia on IO Pins  */
 	iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init));

 	if (SVR_MJREV (spridr) >= 2)
 		iopin_initialize(rev2_silicon_pci_ioregs_init, 1);

 	return 0;
 }

 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 void ft_board_setup(void *blob, bd_t *bd)
 {
 	ft_cpu_setup(blob, bd);
 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
	/*
	* (C) Copyright 2007-2009 DENX Software Engineering
	*
	* 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 <asm/bitops.h>
	#include <command.h>
	#include <asm/io.h>
	#include <asm/processor.h>
	#include <fdt_support.h>
	#ifdef CONFIG_MISC_INIT_R
	#include <i2c.h>
	#endif

	#include <linux/mtd/mtd.h>
	#include <linux/mtd/nand.h>

	DECLARE_GLOBAL_DATA_PTR;

	extern int mpc5121_diu_init(void);
	extern void ide_set_reset(int idereset);

	/* Clocks in use */
	#define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN \| \
	CLOCK_SCCR1_DDR_EN \| \
	CLOCK_SCCR1_FEC_EN \| \
	CLOCK_SCCR1_LPC_EN \| \
	CLOCK_SCCR1_NFC_EN \| \
	CLOCK_SCCR1_PATA_EN \| \
	CLOCK_SCCR1_PCI_EN \| \
	CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) \| \
	CLOCK_SCCR1_PSCFIFO_EN \| \
	CLOCK_SCCR1_TPR_EN)

	#define SCCR2_CLOCKS_EN (CLOCK_SCCR2_DIU_EN \| \
	CLOCK_SCCR2_I2C_EN \| \
	CLOCK_SCCR2_MEM_EN \| \
	CLOCK_SCCR2_SPDIF_EN)

	#define CSAW_START(start) ((start) & 0xFFFF0000)
	#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16)

	long int fixed_sdram(void);
	void __mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip);

	/* Active chip number set in board_nand_select_device() (mpc5121_nfc.c) */
	extern int mpc5121_nfc_chip;

	/* Control chips select signal on MPC5121ADS board */
	void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip)
	{
	unsigned char csreg = (u8 )CONFIG_SYS_CPLD_BASE + 0x09;
	u8 v;

	v = in_8(csreg);
	v \|= 0x0F;

	if (chip >= 0) {
	__mpc5121_nfc_select_chip(mtd, 0);
	v &= ~(1 << mpc5121_nfc_chip);
	} else {
	__mpc5121_nfc_select_chip(mtd, -1);
	}

	out_8(csreg, v);
	}

	int board_early_init_f (void)
	{
	volatile immap_t im = (immap_t ) CONFIG_SYS_IMMR;
	u32 lpcaw, spridr;

	/*
	* Initialize Local Window for the CPLD registers access (CS2 selects
	* the CPLD chip)
	*/
	out_be32(&im->sysconf.lpcs2aw,
	CSAW_START(CONFIG_SYS_CPLD_BASE) \|
	CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE)
	);
	out_be32(&im->lpc.cs_cfg[2], CONFIG_SYS_CS2_CFG);

	/*
	* According to MPC5121e RM, configuring local access windows should
	* be followed by a dummy read of the config register that was
	* modified last and an isync
	*/
	lpcaw = in_be32(&im->sysconf.lpcs6aw);
	__asm__ __volatile__ ("isync");

	/*
	* Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control
	*
	* Without this the flash identification routine fails, as it needs to issue
	* write commands in order to establish the device ID.
	*/

	#ifdef CONFIG_ADS5121_REV2
	out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
	#else
	if (in_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
	out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
	} else {
	/* running from Backup flash */
	out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0x32);
	}
	#endif
	/*
	* Configure Flash Speed
	*/
	out_be32(&im->lpc.cs_cfg[0], CONFIG_SYS_CS0_CFG);

	spridr = in_be32(&im->sysconf.spridr);

	if (SVR_MJREV (spridr) >= 2)
	out_be32 (&im->lpc.altr, CONFIG_SYS_CS_ALETIMING);

	/*
	* Enable clocks
	*/
	out_be32 (&im->clk.sccr[0], SCCR1_CLOCKS_EN);
	out_be32 (&im->clk.sccr[1], SCCR2_CLOCKS_EN);
	#if defined(CONFIG_IIM) \|\| defined(CONFIG_CMD_FUSE)
	setbits_be32 (&im->clk.sccr[1], CLOCK_SCCR2_IIM_EN);
	#endif

	return 0;
	}

	phys_size_t initdram (int board_type)
	{
	u32 msize = 0;

	msize = fixed_sdram ();

	return msize;
	}

	/*
	* fixed sdram init -- the board doesn't use memory modules that have serial presence
	* detect or similar mechanism for discovery of the DRAM settings
	*/
	long int fixed_sdram (void)
	{
	volatile immap_t im = (immap_t ) CONFIG_SYS_IMMR;
	u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
	u32 msize_log2 = __ilog2 (msize);
	u32 i;

	/* Initialize IO Control */
	out_be32 (&im->io_ctrl.io_control_mem, IOCTRL_MUX_DDR);

	/* Initialize DDR Local Window */
	out_be32 (&im->sysconf.ddrlaw.bar, CONFIG_SYS_DDR_BASE & 0xFFFFF000);
	out_be32 (&im->sysconf.ddrlaw.ar, msize_log2 - 1);

	/*
	* According to MPC5121e RM, configuring local access windows should
	* be followed by a dummy read of the config register that was
	* modified last and an isync
	*/
	in_be32(&im->sysconf.ddrlaw.ar);
	__asm__ __volatile__ ("isync");

	/* Enable DDR */
	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_EN);

	/* Initialize DDR Priority Manager */
	out_be32(&im->mddrc.prioman_config1, CONFIG_SYS_MDDRCGRP_PM_CFG1);
	out_be32(&im->mddrc.prioman_config2, CONFIG_SYS_MDDRCGRP_PM_CFG2);
	out_be32(&im->mddrc.hiprio_config, CONFIG_SYS_MDDRCGRP_HIPRIO_CFG);
	out_be32(&im->mddrc.lut_table0_main_upper, CONFIG_SYS_MDDRCGRP_LUT0_MU);
	out_be32(&im->mddrc.lut_table0_main_lower, CONFIG_SYS_MDDRCGRP_LUT0_ML);
	out_be32(&im->mddrc.lut_table1_main_upper, CONFIG_SYS_MDDRCGRP_LUT1_MU);
	out_be32(&im->mddrc.lut_table1_main_lower, CONFIG_SYS_MDDRCGRP_LUT1_ML);
	out_be32(&im->mddrc.lut_table2_main_upper, CONFIG_SYS_MDDRCGRP_LUT2_MU);
	out_be32(&im->mddrc.lut_table2_main_lower, CONFIG_SYS_MDDRCGRP_LUT2_ML);
	out_be32(&im->mddrc.lut_table3_main_upper, CONFIG_SYS_MDDRCGRP_LUT3_MU);
	out_be32(&im->mddrc.lut_table3_main_lower, CONFIG_SYS_MDDRCGRP_LUT3_ML);
	out_be32(&im->mddrc.lut_table4_main_upper, CONFIG_SYS_MDDRCGRP_LUT4_MU);
	out_be32(&im->mddrc.lut_table4_main_lower, CONFIG_SYS_MDDRCGRP_LUT4_ML);
	out_be32(&im->mddrc.lut_table0_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT0_AU);
	out_be32(&im->mddrc.lut_table0_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT0_AL);
	out_be32(&im->mddrc.lut_table1_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT1_AU);
	out_be32(&im->mddrc.lut_table1_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT1_AL);
	out_be32(&im->mddrc.lut_table2_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT2_AU);
	out_be32(&im->mddrc.lut_table2_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT2_AL);
	out_be32(&im->mddrc.lut_table3_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT3_AU);
	out_be32(&im->mddrc.lut_table3_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT3_AL);
	out_be32(&im->mddrc.lut_table4_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT4_AU);
	out_be32(&im->mddrc.lut_table4_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT4_AL);

	/* Initialize MDDRC */
	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG);
	out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0);
	out_be32(&im->mddrc.ddr_time_config1, CONFIG_SYS_MDDRC_TIME_CFG1);
	out_be32(&im->mddrc.ddr_time_config2, CONFIG_SYS_MDDRC_TIME_CFG2);

	/* Initialize DDR */
	for (i = 0; i < 10; i++)
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);

	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM3);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EN_DLL);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_OCD_DEFAULT);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);

	/* Start MDDRC */
	out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0_RUN);
	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_RUN);

	return msize;
	}

	int misc_init_r(void)
	{
	u8 tmp_val;

	/* Using this for DIU init before the driver in linux takes over
	* Enable the TFP410 Encoder (I2C address 0x38)
	*/

	i2c_set_bus_num(2);
	tmp_val = 0xBF;
	i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
	/* Verify if enabled */
	tmp_val = 0;
	i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
	debug("DVI Encoder Read: 0x%02lx\n", tmp_val);

	tmp_val = 0x10;
	i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
	/* Verify if enabled */
	tmp_val = 0;
	i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
	debug("DVI Encoder Read: 0x%02lx\n", tmp_val);

	#ifdef CONFIG_FSL_DIU_FB
	# if !(defined(CONFIG_VIDEO) \|\| defined(CONFIG_CFB_CONSOLE))
	mpc5121_diu_init();
	# endif
	#endif
	return 0;
	}

	static iopin_t ioregs_init[] = {
	/* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
	{
	offsetof(struct ioctrl512x, io_control_spdif_txclk), 3, 0,
	IO_PIN_FMUX(1) \| IO_PIN_HOLD(0) \| IO_PIN_PUD(0) \|
	IO_PIN_PUE(0) \| IO_PIN_ST(0) \| IO_PIN_DS(3)
	},
	/* Set highest Slew on 9 PATA pins */
	{
	offsetof(struct ioctrl512x, io_control_pata_ce1), 9, 1,
	IO_PIN_FMUX(0) \| IO_PIN_HOLD(0) \| IO_PIN_PUD(0) \|
	IO_PIN_PUE(0) \| IO_PIN_ST(0) \| IO_PIN_DS(3)
	},
	/* FUNC1=FEC_COL Sets Next 15 to FEC pads */
	{
	offsetof(struct ioctrl512x, io_control_psc0_0), 15, 0,
	IO_PIN_FMUX(1) \| IO_PIN_HOLD(0) \| IO_PIN_PUD(0) \|
	IO_PIN_PUE(0) \| IO_PIN_ST(0) \| IO_PIN_DS(3)
	},
	/* FUNC1=SPDIF_TXCLK */
	{
	offsetof(struct ioctrl512x, io_control_lpc_cs1), 1, 0,
	IO_PIN_FMUX(1) \| IO_PIN_HOLD(0) \| IO_PIN_PUD(0) \|
	IO_PIN_PUE(0) \| IO_PIN_ST(1) \| IO_PIN_DS(3)
	},
	/* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */
	{
	offsetof(struct ioctrl512x, io_control_i2c1_scl), 2, 0,
	IO_PIN_FMUX(2) \| IO_PIN_HOLD(0) \| IO_PIN_PUD(0) \|
	IO_PIN_PUE(0) \| IO_PIN_ST(1) \| IO_PIN_DS(3)
	},
	/* FUNC2=DIU CLK */
	{
	offsetof(struct ioctrl512x, io_control_psc6_0), 1, 0,
	IO_PIN_FMUX(2) \| IO_PIN_HOLD(0) \| IO_PIN_PUD(0) \|
	IO_PIN_PUE(0) \| IO_PIN_ST(1) \| IO_PIN_DS(3)
	},
	/* FUNC2=DIU_HSYNC */
	{
	offsetof(struct ioctrl512x, io_control_psc6_1), 1, 0,
	IO_PIN_FMUX(2) \| IO_PIN_HOLD(0) \| IO_PIN_PUD(0) \|
	IO_PIN_PUE(0) \| IO_PIN_ST(0) \| IO_PIN_DS(3)
	},
	/* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */
	{
	offsetof(struct ioctrl512x, io_control_psc6_4), 26, 0,
	IO_PIN_FMUX(2) \| IO_PIN_HOLD(0) \| IO_PIN_PUD(0) \|
	IO_PIN_PUE(0) \| IO_PIN_ST(0) \| IO_PIN_DS(3)
	}
	};

	static iopin_t rev2_silicon_pci_ioregs_init[] = {
	/* FUNC0=PCI Sets next 54 to PCI pads */
	{
	offsetof(struct ioctrl512x, io_control_pci_ad31), 54, 0,
	IO_PIN_FMUX(0) \| IO_PIN_HOLD(0) \| IO_PIN_DS(0)
	}
	};

	int checkboard (void)
	{
	ushort brd_rev = (vu_short ) (CONFIG_SYS_CPLD_BASE + 0x00);
	uchar cpld_rev = (vu_char ) (CONFIG_SYS_CPLD_BASE + 0x02);
	volatile immap_t im = (immap_t ) CONFIG_SYS_IMMR;
	u32 spridr = in_be32(&im->sysconf.spridr);

	printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
	brd_rev, cpld_rev);

	/* initialize function mux & slew rate IO inter alia on IO Pins */
	iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init));

	if (SVR_MJREV (spridr) >= 2)
	iopin_initialize(rev2_silicon_pci_ioregs_init, 1);

	return 0;
	}

	#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
	void ft_board_setup(void blob, bd_t bd)
	{
	ft_cpu_setup(blob, bd);
	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
	}
	#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */