board/ads5121/ads5121.c - platform/external/u-boot - Gitiles

 /*
  * (C) Copyright 2007 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 <mpc512x.h>
 #include <asm/bitops.h>
 #include <command.h>
 #include <asm/processor.h>
 #include <fdt_support.h>
 #ifdef CONFIG_MISC_INIT_R
 #include <i2c.h>
 #endif

 DECLARE_GLOBAL_DATA_PTR;

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

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

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

 long int fixed_sdram(void);

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

 	/*
 	 * Initialize Local Window for the CPLD registers access (CS2 selects
 	 * the CPLD chip)
 	 */
 	im->sysconf.lpcs2aw = CSAW_START(CONFIG_SYS_CPLD_BASE) |
 			      CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE);
 	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 = im->sysconf.lpcs2aw;
 	__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
 	*((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1;
 #else
 	if (*((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
 		*((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1;
 	} else {
 		/* running from Backup flash */
 		*((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0x32;
 	}
 #endif
 	/*
 	 * Configure Flash Speed
 	 */
 	*((volatile u32 *)(CONFIG_SYS_IMMR + LPC_OFFSET + CS0_CONFIG)) = CONFIG_SYS_CS0_CFG;
 	if (SVR_MJREV (im->sysconf.spridr) >= 2) {
 		*((volatile u32 *)(CONFIG_SYS_IMMR + LPC_OFFSET + CS_ALE_TIMING_CONFIG)) = CONFIG_SYS_CS_ALETIMING;
 	}
 	/*
 	 * Enable clocks
 	 */
 	im->clk.sccr[0] = SCCR1_CLOCKS_EN;
 	im->clk.sccr[1] = SCCR2_CLOCKS_EN;
 #if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
 	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 */
 	im->io_ctrl.regs[IOCTL_MEM/4] = IOCTRL_MUX_DDR;

 	/* Initialize DDR Local Window */
 	im->sysconf.ddrlaw.bar = CONFIG_SYS_DDR_BASE & 0xFFFFF000;
 	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
 	 */
 	i = im->sysconf.ddrlaw.ar;
 	__asm__ __volatile__ ("isync");

 	/* Enable DDR */
 	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_EN;

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

 	/* Initialize MDDRC */
 	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG;
 	im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0;
 	im->mddrc.ddr_time_config1 = CONFIG_SYS_MDDRC_TIME_CFG1;
 	im->mddrc.ddr_time_config2 = CONFIG_SYS_MDDRC_TIME_CFG2;

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

 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM3;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EN_DLL;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_OCD_DEFAULT;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
 	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;

 	/* Start MDDRC */
 	im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0_RUN;
 	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_RUN;

 	return msize;
 }

 int misc_init_r(void)
 {
 	u8 tmp_val;
 	extern int ads5121_diu_init(void);

 	/* 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))
 	ads5121_diu_init();
 #endif
 #endif

 	return 0;
 }
 static  iopin_t ioregs_init[] = {
 	/* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
 	{
 		IOCTL_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 */
 	{
 		IOCTL_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 */
 	{
 		IOCTL_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 */
 	{
 		IOCTL_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 */
 	{
 		IOCTL_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 */
 	{
 		IOCTL_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 */
 	{
 		IOCTL_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 */
 	{
 		IOCTL_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 */
 	{
 		IOCTL_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;

 	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, sizeof(ioregs_init) / sizeof(ioregs_init[0]));
 	if (SVR_MJREV (im->sysconf.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) */

 #if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)

 void init_ide_reset (void)
 {
 	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 	debug ("init_ide_reset\n");

 	/*
 	 * Clear the reset bit to reset the interface
 	 * cf. RefMan MPC5121EE: 28.4.1 Resetting the ATA Bus
 	 */
 	immr->pata.pata_ata_control = 0;
 	udelay(100);
 	/* Assert the reset bit to enable the interface */
 	immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;
 	udelay(100);

 }

 void ide_set_reset (int idereset)
 {
 	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 	debug ("ide_set_reset(%d)\n", idereset);

 	if (idereset) {
 		immr->pata.pata_ata_control = 0;
 		udelay(100);
 	} else {
 		immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;
 		udelay(100);
 	}
 }

 #define CALC_TIMING(t) (t + period - 1) / period

 int ide_preinit (void)
 {
 	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 	long t;
 	const struct {
 		short t0;
 		short t1;
 		short t2_8;
 		short t2_16;
 		short t2i;
 		short t4;
 		short t9;
 		short tA;
 	} pio_specs = {
 		.t0    = 600,
 		.t1    =  70,
 		.t2_8  = 290,
 		.t2_16 = 165,
 		.t2i   =   0,
 		.t4    =  30,
 		.t9    =  20,
 		.tA    =  50,
 	};
 	union {
 		u32 config;
 		struct {
 			u8 field1;
 			u8 field2;
 			u8 field3;
 			u8 field4;
 		}bytes;
 	}cfg;

 	debug ("IDE preinit using PATA peripheral at IMMR-ADDR %08x\n",
 		(u32)&immr->pata);

 	/* Set the reset bit to 1 to enable the interface */
 	immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;

 	/* Init timings : we use PIO mode 0 timings */
 	t = 1000000000 / gd->ips_clk;	/* period in ns */
 	cfg.bytes.field1 = 3;
 	cfg.bytes.field2 = 3;
 	cfg.bytes.field3 = (pio_specs.t1 + t) / t;
 	cfg.bytes.field4 = (pio_specs.t2_8 + t) / t;

 	immr->pata.pata_time1 = cfg.config;

 	cfg.bytes.field1 = (pio_specs.t2_8 + t) / t;
 	cfg.bytes.field2 = (pio_specs.tA + t) / t + 2;
 	cfg.bytes.field3 = 1;
 	cfg.bytes.field4 = (pio_specs.t4 + t) / t;

 	immr->pata.pata_time2 = cfg.config;

 	cfg.config = immr->pata.pata_time3;
 	cfg.bytes.field1 = (pio_specs.t9 + t) / t;

 	immr->pata.pata_time3 = cfg.config;
 	debug ("PATA preinit complete.\n");

 	return 0;
 }

 #endif /* defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET) */
	/*
	* (C) Copyright 2007 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 <mpc512x.h>
	#include <asm/bitops.h>
	#include <command.h>
	#include <asm/processor.h>
	#include <fdt_support.h>
	#ifdef CONFIG_MISC_INIT_R
	#include <i2c.h>
	#endif

	DECLARE_GLOBAL_DATA_PTR;

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

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

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

	long int fixed_sdram(void);

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

	/*
	* Initialize Local Window for the CPLD registers access (CS2 selects
	* the CPLD chip)
	*/
	im->sysconf.lpcs2aw = CSAW_START(CONFIG_SYS_CPLD_BASE) \|
	CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE);
	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 = im->sysconf.lpcs2aw;
	__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
	((volatile u8 )(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1;
	#else
	if (((u8 )(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
	((volatile u8 )(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1;
	} else {
	/* running from Backup flash */
	((volatile u8 )(CONFIG_SYS_CPLD_BASE + 0x08)) = 0x32;
	}
	#endif
	/*
	* Configure Flash Speed
	*/
	((volatile u32 )(CONFIG_SYS_IMMR + LPC_OFFSET + CS0_CONFIG)) = CONFIG_SYS_CS0_CFG;
	if (SVR_MJREV (im->sysconf.spridr) >= 2) {
	((volatile u32 )(CONFIG_SYS_IMMR + LPC_OFFSET + CS_ALE_TIMING_CONFIG)) = CONFIG_SYS_CS_ALETIMING;
	}
	/*
	* Enable clocks
	*/
	im->clk.sccr[0] = SCCR1_CLOCKS_EN;
	im->clk.sccr[1] = SCCR2_CLOCKS_EN;
	#if defined(CONFIG_IIM) \|\| defined(CONFIG_CMD_FUSE)
	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 */
	im->io_ctrl.regs[IOCTL_MEM/4] = IOCTRL_MUX_DDR;

	/* Initialize DDR Local Window */
	im->sysconf.ddrlaw.bar = CONFIG_SYS_DDR_BASE & 0xFFFFF000;
	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
	*/
	i = im->sysconf.ddrlaw.ar;
	__asm__ __volatile__ ("isync");

	/* Enable DDR */
	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_EN;

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

	/* Initialize MDDRC */
	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG;
	im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0;
	im->mddrc.ddr_time_config1 = CONFIG_SYS_MDDRC_TIME_CFG1;
	im->mddrc.ddr_time_config2 = CONFIG_SYS_MDDRC_TIME_CFG2;

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

	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM3;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EN_DLL;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_OCD_DEFAULT;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;

	/* Start MDDRC */
	im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0_RUN;
	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_RUN;

	return msize;
	}

	int misc_init_r(void)
	{
	u8 tmp_val;
	extern int ads5121_diu_init(void);

	/* 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))
	ads5121_diu_init();
	#endif
	#endif

	return 0;
	}
	static iopin_t ioregs_init[] = {
	/* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
	{
	IOCTL_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 */
	{
	IOCTL_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 */
	{
	IOCTL_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 */
	{
	IOCTL_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 */
	{
	IOCTL_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 */
	{
	IOCTL_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 */
	{
	IOCTL_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 */
	{
	IOCTL_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 */
	{
	IOCTL_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;

	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, sizeof(ioregs_init) / sizeof(ioregs_init[0]));
	if (SVR_MJREV (im->sysconf.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) */

	#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)

	void init_ide_reset (void)
	{
	volatile immap_t immr = (immap_t ) CONFIG_SYS_IMMR;
	debug ("init_ide_reset\n");

	/*
	* Clear the reset bit to reset the interface
	* cf. RefMan MPC5121EE: 28.4.1 Resetting the ATA Bus
	*/
	immr->pata.pata_ata_control = 0;
	udelay(100);
	/* Assert the reset bit to enable the interface */
	immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;
	udelay(100);

	}

	void ide_set_reset (int idereset)
	{
	volatile immap_t immr = (immap_t ) CONFIG_SYS_IMMR;
	debug ("ide_set_reset(%d)\n", idereset);

	if (idereset) {
	immr->pata.pata_ata_control = 0;
	udelay(100);
	} else {
	immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;
	udelay(100);
	}
	}

	#define CALC_TIMING(t) (t + period - 1) / period

	int ide_preinit (void)
	{
	volatile immap_t immr = (immap_t ) CONFIG_SYS_IMMR;
	long t;
	const struct {
	short t0;
	short t1;
	short t2_8;
	short t2_16;
	short t2i;
	short t4;
	short t9;
	short tA;
	} pio_specs = {
	.t0 = 600,
	.t1 = 70,
	.t2_8 = 290,
	.t2_16 = 165,
	.t2i = 0,
	.t4 = 30,
	.t9 = 20,
	.tA = 50,
	};
	union {
	u32 config;
	struct {
	u8 field1;
	u8 field2;
	u8 field3;
	u8 field4;
	}bytes;
	}cfg;

	debug ("IDE preinit using PATA peripheral at IMMR-ADDR %08x\n",
	(u32)&immr->pata);

	/* Set the reset bit to 1 to enable the interface */
	immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;

	/* Init timings : we use PIO mode 0 timings */
	t = 1000000000 / gd->ips_clk; /* period in ns */
	cfg.bytes.field1 = 3;
	cfg.bytes.field2 = 3;
	cfg.bytes.field3 = (pio_specs.t1 + t) / t;
	cfg.bytes.field4 = (pio_specs.t2_8 + t) / t;

	immr->pata.pata_time1 = cfg.config;

	cfg.bytes.field1 = (pio_specs.t2_8 + t) / t;
	cfg.bytes.field2 = (pio_specs.tA + t) / t + 2;
	cfg.bytes.field3 = 1;
	cfg.bytes.field4 = (pio_specs.t4 + t) / t;

	immr->pata.pata_time2 = cfg.config;

	cfg.config = immr->pata.pata_time3;
	cfg.bytes.field1 = (pio_specs.t9 + t) / t;

	immr->pata.pata_time3 = cfg.config;
	debug ("PATA preinit complete.\n");

	return 0;
	}

	#endif /* defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET) */