Merge with pollux.denx.org:/home/git/u-boot/.git

1 files changed, 577 insertions, 0 deletions

diff --git a/board/sandburst/karef/karef.c b/board/sandburst/karef/karef.c
new file mode 100644
index 0000000..3856a39
--- /dev/null
+++ b/board/sandburst/karef/karef.c
@@ -0,0 +1,577 @@
+/*
+ *  Copyright (C) 2005 Sandburst Corporation
+ *  Travis B. Sawyer
+ *
+ * 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 <config.h>
+#include <common.h>
+#include <command.h>
+#include "karef.h"
+#include "karef_version.h"
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <spd_sdram.h>
+#include <i2c.h>
+#include "../common/sb_common.h"
+#include "../common/ppc440gx_i2c.h"
+
+void fpga_init (void);
+
+KAREF_BOARD_ID_ST board_id_as[] =
+{
+	{"Undefined"},			     /* Not specified */
+	{"Kamino Reference Design"},
+	{"Reserved"},			     /* Reserved for future use */
+	{"Reserved"},			     /* Reserved for future use */
+};
+
+KAREF_BOARD_ID_ST ofem_board_id_as[] =
+{
+	{"Undefined"},
+	{"1x10 + 10x2"},
+	{"Reserved"},
+	{"Reserved"},
+};
+
+/*************************************************************************
+ *  board_early_init_f
+ *
+ *  Setup chip selects, initialize the Opto-FPGA, initialize
+ *  interrupt polarity and triggers.
+ ************************************************************************/
+int board_early_init_f (void)
+{
+	ppc440_gpio_regs_t *gpio_regs;
+
+	/* Enable GPIO interrupts */
+	mtsdr(sdr_pfc0, 0x00103E00);
+
+	/* Setup access for LEDs, and system topology info */
+	gpio_regs = (ppc440_gpio_regs_t *)CFG_GPIO_BASE;
+	gpio_regs->open_drain = SBCOMMON_GPIO_SYS_LEDS;
+	gpio_regs->tri_state  = SBCOMMON_GPIO_DBGLEDS;
+
+	/* Turn on all the leds for now */
+	gpio_regs->out = SBCOMMON_GPIO_LEDS;
+
+	/*--------------------------------------------------------------------+
+	  | Initialize EBC CONFIG
+	  +-------------------------------------------------------------------*/
+	mtebc(xbcfg,
+	      EBC_CFG_LE_UNLOCK	   | EBC_CFG_PTD_ENABLE |
+	      EBC_CFG_RTC_64PERCLK | EBC_CFG_ATC_PREVIOUS |
+	      EBC_CFG_DTC_PREVIOUS | EBC_CFG_CTC_PREVIOUS |
+	      EBC_CFG_EMC_DEFAULT  | EBC_CFG_PME_DISABLE |
+	      EBC_CFG_PR_32);
+
+	/*--------------------------------------------------------------------+
+	  | 1/2 MB FLASH. Initialize bank 0 with default values.
+	  +-------------------------------------------------------------------*/
+	mtebc(pb0ap,
+	      EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
+	      EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
+	      EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
+	      EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) |
+	      EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
+	      EBC_BXAP_PEN_DISABLED);
+
+	mtebc(pb0cr, EBC_BXCR_BAS_ENCODE(CFG_FLASH_BASE) |
+	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
+	/*--------------------------------------------------------------------+
+	  | 8KB NVRAM/RTC. Initialize bank 1 with default values.
+	  +-------------------------------------------------------------------*/
+	mtebc(pb1ap,
+	      EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(10) |
+	      EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
+	      EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
+	      EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) |
+	      EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
+	      EBC_BXAP_PEN_DISABLED);
+
+	mtebc(pb1cr, EBC_BXCR_BAS_ENCODE(0x48000000) |
+	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
+
+	/*--------------------------------------------------------------------+
+	  | Compact Flash, uses 2 Chip Selects (2 & 6)
+	  +-------------------------------------------------------------------*/
+	mtebc(pb2ap,
+	      EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
+	      EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
+	      EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
+	      EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) |
+	      EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
+	      EBC_BXAP_PEN_DISABLED);
+
+	mtebc(pb2cr, EBC_BXCR_BAS_ENCODE(0xF0000000) |
+	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);
+
+	/*--------------------------------------------------------------------+
+	  | KaRef Scan FPGA. Initialize bank 3 with default values.
+	  +-------------------------------------------------------------------*/
+	mtebc(pb5ap,
+	      EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
+	      EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
+	      EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
+	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
+	      EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
+
+	mtebc(pb5cr, EBC_BXCR_BAS_ENCODE(0x48200000) |
+	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
+
+	/*--------------------------------------------------------------------+
+	  | MAC A & B for Kamino.  OFEM FPGA decodes the addresses
+	  | Initialize bank 4 with default values.
+	  +-------------------------------------------------------------------*/
+	mtebc(pb4ap,
+	      EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
+	      EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
+	      EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
+	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
+	      EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
+
+	mtebc(pb4cr, EBC_BXCR_BAS_ENCODE(0x48600000) |
+	      EBC_BXCR_BS_2MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
+
+	/*--------------------------------------------------------------------+
+	  | OFEM FPGA  Initialize bank 5 with default values.
+	  +-------------------------------------------------------------------*/
+	mtebc(pb3ap,
+	      EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
+	      EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
+	      EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
+	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
+	      EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
+
+
+	mtebc(pb3cr, EBC_BXCR_BAS_ENCODE(0x48400000) |
+	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
+
+
+	/*--------------------------------------------------------------------+
+	  | Compact Flash, uses 2 Chip Selects (2 & 6)
+	  +-------------------------------------------------------------------*/
+	mtebc(pb6ap,
+	      EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
+	      EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
+	      EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
+	      EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) |
+	      EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
+	      EBC_BXAP_PEN_DISABLED);
+
+	mtebc(pb6cr, EBC_BXCR_BAS_ENCODE(0xF0100000) |
+	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);
+
+	/*--------------------------------------------------------------------+
+	  | BME-32. Initialize bank 7 with default values.
+	  +-------------------------------------------------------------------*/
+	mtebc(pb7ap,
+	      EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
+	      EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
+	      EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
+	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
+	      EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
+
+	mtebc(pb7cr, EBC_BXCR_BAS_ENCODE(0x48500000) |
+	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
+
+	/*--------------------------------------------------------------------+
+	 * Setup the interrupt controller polarities, triggers, etc.
+	 +-------------------------------------------------------------------*/
+	mtdcr (uic0sr, 0xffffffff);	/* clear all */
+	mtdcr (uic0er, 0x00000000);	/* disable all */
+	mtdcr (uic0cr, 0x00000000);	/* all non- critical */
+	mtdcr (uic0pr, 0xfffffe03);	/* polarity */
+	mtdcr (uic0tr, 0x01c00000);	/* trigger edge vs level */
+	mtdcr (uic0vr, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr (uic0sr, 0xffffffff);	/* clear all */
+
+	mtdcr (uic1sr, 0xffffffff);	/* clear all */
+	mtdcr (uic1er, 0x00000000);	/* disable all */
+	mtdcr (uic1cr, 0x00000000);	/* all non-critical */
+	mtdcr (uic1pr, 0xffffc8ff);	/* polarity */
+	mtdcr (uic1tr, 0x00ff0000);	/* trigger edge vs level */
+	mtdcr (uic1vr, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr (uic1sr, 0xffffffff);	/* clear all */
+
+	mtdcr (uic2sr, 0xffffffff);	/* clear all */
+	mtdcr (uic2er, 0x00000000);	/* disable all */
+	mtdcr (uic2cr, 0x00000000);	/* all non-critical */
+	mtdcr (uic2pr, 0xffff83ff);	/* polarity */
+	mtdcr (uic2tr, 0x00ff8c0f);	/* trigger edge vs level */
+	mtdcr (uic2vr, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr (uic2sr, 0xffffffff);	/* clear all */
+
+	mtdcr (uicb0sr, 0xfc000000);	/* clear all */
+	mtdcr (uicb0er, 0x00000000);	/* disable all */
+	mtdcr (uicb0cr, 0x00000000);	/* all non-critical */
+	mtdcr (uicb0pr, 0xfc000000);
+	mtdcr (uicb0tr, 0x00000000);
+	mtdcr (uicb0vr, 0x00000001);
+
+	fpga_init();
+
+	return 0;
+}
+
+
+/*************************************************************************
+ *  checkboard
+ *
+ *  Dump pertinent info to the console
+ ************************************************************************/
+int checkboard (void)
+{
+	sys_info_t sysinfo;
+	unsigned char brd_rev, brd_id;
+	unsigned short sernum;
+	unsigned char scan_rev, scan_id, ofem_rev, ofem_id;
+	unsigned char ofem_brd_rev, ofem_brd_id;
+	KAREF_FPGA_REGS_ST *karef_ps;
+	OFEM_FPGA_REGS_ST *ofem_ps;
+
+	karef_ps = (KAREF_FPGA_REGS_ST *)CFG_KAREF_FPGA_BASE;
+	ofem_ps = (OFEM_FPGA_REGS_ST *)CFG_OFEM_FPGA_BASE;
+
+	scan_id = (unsigned char)((karef_ps->revision_ul &
+				   SAND_HAL_KA_SC_SCAN_REVISION_IDENTIFICATION_MASK)
+				  >> SAND_HAL_KA_SC_SCAN_REVISION_IDENTIFICATION_SHIFT);
+
+	scan_rev = (unsigned char)((karef_ps->revision_ul & SAND_HAL_KA_SC_SCAN_REVISION_REVISION_MASK)
+				   >> SAND_HAL_KA_SC_SCAN_REVISION_REVISION_SHIFT);
+
+	brd_rev = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_BRD_REV_MASK)
+				  >> SAND_HAL_KA_SC_SCAN_BRD_INFO_BRD_REV_SHIFT);
+
+	brd_id = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_BRD_ID_MASK)
+				 >> SAND_HAL_KA_SC_SCAN_BRD_INFO_BRD_ID_SHIFT);
+
+	ofem_brd_id = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_ID_MASK)
+				      >> SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_ID_SHIFT);
+
+	ofem_brd_rev = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_REV_MASK)
+				       >> SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_REV_SHIFT);
+
+	if (0xF != ofem_brd_id) {
+		ofem_id = (unsigned char)((ofem_ps->revision_ul &
+					   SAND_HAL_KA_OF_OFEM_REVISION_IDENTIFICATION_MASK)
+					  >> SAND_HAL_KA_OF_OFEM_REVISION_IDENTIFICATION_SHIFT);
+
+		ofem_rev = (unsigned char)((ofem_ps->revision_ul &
+					    SAND_HAL_KA_OF_OFEM_REVISION_REVISION_MASK)
+					   >> SAND_HAL_KA_OF_OFEM_REVISION_REVISION_SHIFT);
+	}
+
+	get_sys_info (&sysinfo);
+
+	sernum = sbcommon_get_serial_number();
+
+	printf ("Board: Sandburst Corporation Kamino Reference Design "
+		"Serial Number: %d\n", sernum);
+	printf ("%s\n", KAREF_U_BOOT_REL_STR);
+
+	printf ("Built %s %s by %s\n", __DATE__, __TIME__, BUILDUSER);
+	if (sbcommon_get_master()) {
+		printf("Slot 0 - Master\nSlave board");
+		if (sbcommon_secondary_present())
+			printf(" present\n");
+		else
+			printf(" not detected\n");
+	} else {
+		printf("Slot 1 - Slave\n\n");
+	}
+
+	printf ("ScanFPGA ID:\t0x%02X\tRev:  0x%02X\n", scan_id, scan_rev);
+	printf ("Board Rev:\t0x%02X\tID:   0x%02X\n", brd_rev, brd_id);
+	if(0xF != ofem_brd_id) {
+		printf("OFemFPGA ID:\t0x%02X\tRev:  0x%02X\n", ofem_id, ofem_rev);
+		printf("OFEM Board Rev:\t0x%02X\tID:   0x%02X\n", ofem_brd_id, ofem_brd_rev);
+	}
+
+	printf ("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz / 1000000);
+	printf ("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
+	printf ("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
+	printf ("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
+	printf ("\tEPB: %lu MHz\n", sysinfo.freqEPB / 1000000);
+
+	/* Fix the ack in the bme 32 */
+	udelay(5000);
+	out32(CFG_BME32_BASE + 0x0000000C, 0x00000001);
+	asm("eieio");
+
+
+	return (0);
+}
+
+/*************************************************************************
+ *  misc_init_f
+ *
+ *  Initialize I2C bus one to gain access to the fans
+ ************************************************************************/
+int misc_init_f (void)
+{
+	/* Turn on i2c bus 1 */
+	puts ("I2C1:  ");
+	i2c1_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+	puts ("ready\n");
+
+	/* Turn on fans 3 & 4 */
+	sbcommon_fans();
+
+	return (0);
+}
+
+/*************************************************************************
+ *  misc_init_r
+ *
+ *  Do nothing.
+ ************************************************************************/
+int misc_init_r (void)
+{
+	unsigned short sernum;
+	char envstr[255];
+	KAREF_FPGA_REGS_ST *karef_ps;
+	OFEM_FPGA_REGS_ST *ofem_ps;
+	unsigned char ofem_id;
+
+	if(NULL != getenv("secondserial")) {
+		puts("secondserial is set, switching to second serial port\n");
+		setenv("stderr", "serial1");
+		setenv("stdout", "serial1");
+		setenv("stdin", "serial1");
+	}
+
+	setenv("ubrelver", KAREF_U_BOOT_REL_STR);
+
+	memset(envstr, 0, 255);
+	sprintf (envstr, "Built %s %s by %s", __DATE__, __TIME__, BUILDUSER);
+	setenv("bldstr", envstr);
+	saveenv();
+
+	if( getenv("autorecover")) {
+		setenv("autorecover", NULL);
+		saveenv();
+		sernum = sbcommon_get_serial_number();
+
+		printf("\nSetting up environment for automatic filesystem recovery\n");
+		/*
+		 * Setup default bootargs
+		 */
+		memset(envstr, 0, 255);
+
+		sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
+			"rw ip=10.100.70.%d:::255.255.0.0:karef%d:eth0:none idebus=33",
+			sernum, sernum);
+		setenv("bootargs", envstr);
+
+		/*
+		 * Setup Default boot command
+		 */
+		setenv("bootcmd", "fatload ide 0 8000000 uimage.karef;"
+		       "fatload ide 0 8100000 pramdisk;"
+		       "bootm 8000000 8100000");
+
+		printf("Done.  Please type allow the system to continue to boot\n");
+	}
+
+	if( getenv("fakeled")) {
+		karef_ps = (KAREF_FPGA_REGS_ST *)CFG_KAREF_FPGA_BASE;
+		ofem_ps = (OFEM_FPGA_REGS_ST *)CFG_OFEM_FPGA_BASE;
+		ofem_ps->control_ul &= ~SAND_HAL_KA_SC_SCAN_CNTL_FAULT_LED_MASK;
+		karef_ps->control_ul &= ~SAND_HAL_KA_OF_OFEM_CNTL_FAULT_LED_MASK;
+		setenv("bootdelay", "-1");
+		saveenv();
+		printf("fakeled is set. use 'setenv fakeled ; setenv bootdelay 5 ; saveenv' to recover\n");
+	}
+
+	return (0);
+}
+
+/*************************************************************************
+ *  ide_set_reset
+ ************************************************************************/
+#ifdef CONFIG_IDE_RESET
+void ide_set_reset(int on)
+{
+	KAREF_FPGA_REGS_ST *karef_ps;
+	/* TODO: ide reset */
+	karef_ps = (KAREF_FPGA_REGS_ST *)CFG_KAREF_FPGA_BASE;
+
+	if (on) {
+		karef_ps->reset_ul &= ~SAND_HAL_KA_SC_SCAN_RESET_CF_RESET_N_MASK;
+	} else {
+		karef_ps->reset_ul |= SAND_HAL_KA_SC_SCAN_RESET_CF_RESET_N_MASK;
+	}
+}
+#endif /* CONFIG_IDE_RESET */
+
+/*************************************************************************
+ *  fpga_init
+ ************************************************************************/
+void fpga_init(void)
+{
+	KAREF_FPGA_REGS_ST *karef_ps;
+	OFEM_FPGA_REGS_ST *ofem_ps;
+	unsigned char ofem_id;
+	unsigned long tmp;
+
+	/* Ensure we have power all around */
+	udelay(500);
+
+	karef_ps = (KAREF_FPGA_REGS_ST *)CFG_KAREF_FPGA_BASE;
+	tmp =
+		SAND_HAL_KA_SC_SCAN_RESET_CF_RESET_N_MASK |
+		SAND_HAL_KA_SC_SCAN_RESET_BME_RESET_N_MASK |
+		SAND_HAL_KA_SC_SCAN_RESET_KA_RESET_N_MASK |
+		SAND_HAL_KA_SC_SCAN_RESET_SLAVE_RESET_N_MASK |
+		SAND_HAL_KA_SC_SCAN_RESET_OFEM_RESET_N_MASK |
+		SAND_HAL_KA_SC_SCAN_RESET_IFE_A_RESET_N_MASK |
+		SAND_HAL_KA_SC_SCAN_RESET_I2C_MUX1_RESET_N_MASK |
+		SAND_HAL_KA_SC_SCAN_RESET_PHY0_RESET_N_MASK |
+		SAND_HAL_KA_SC_SCAN_RESET_PHY1_RESET_N_MASK;
+
+	karef_ps->reset_ul = tmp;
+
+	/*
+	 * Wait a bit to allow the ofem fpga to get its brains
+	 */
+	udelay(5000);
+
+	/*
+	 * Check to see if the ofem is there
+	 */
+	ofem_id = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_ID_MASK)
+				  >> SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_ID_SHIFT);
+	if(0xF != ofem_id) {
+		tmp =
+			SAND_HAL_KA_OF_OFEM_RESET_I2C_MUX0_RESET_N_MASK |
+			SAND_HAL_KA_OF_OFEM_RESET_LOCH0_RESET_N_MASK |
+			SAND_HAL_KA_OF_OFEM_RESET_MAC0_RESET_N_MASK;
+
+		ofem_ps = (OFEM_FPGA_REGS_ST *)CFG_OFEM_FPGA_BASE;
+		ofem_ps->reset_ul = tmp;
+
+		ofem_ps->control_ul |= 1 < SAND_HAL_KA_OF_OFEM_CNTL_FAULT_LED_SHIFT;
+	}
+
+	karef_ps->control_ul |= 1 << SAND_HAL_KA_SC_SCAN_CNTL_FAULT_LED_SHIFT;
+
+	asm("eieio");
+
+	return;
+}
+
+int karefSetupVars(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned short sernum;
+	char envstr[255];
+
+	sernum = sbcommon_get_serial_number();
+
+	memset(envstr, 0, 255);
+	/*
+	 * Setup our ip address
+	 */
+	sprintf(envstr, "10.100.70.%d", sernum);
+
+	setenv("ipaddr", envstr);
+	/*
+	 * Setup the host ip address
+	 */
+	setenv("serverip", "10.100.17.10");
+
+	/*
+	 * Setup default bootargs
+	 */
+	memset(envstr, 0, 255);
+
+	sprintf(envstr, "console=ttyS0,9600 root=/dev/nfs "
+		"rw nfsroot=10.100.17.10:/home/metrobox/mbc70.%d "
+		"nfsaddrs=10.100.70.%d:10.100.17.10:10.100.1.1:"
+		"255.255.0.0:karef%d.sandburst.com:eth0:none idebus=33",
+		sernum, sernum, sernum);
+
+	setenv("bootargs_nfs", envstr);
+	setenv("bootargs", envstr);
+
+	/*
+	 * Setup CF bootargs
+	 */
+	memset(envstr, 0, 255);
+
+	sprintf(envstr, "console=ttyS0,9600 root=/dev/hda2 "
+		"rw ip=10.100.70.%d:::255.255.0.0:karef%d:eth0:none idebus=33",
+		sernum, sernum);
+
+	setenv("bootargs_cf", envstr);
+
+	/*
+	 * Setup Default boot command
+	 */
+	setenv("bootcmd_tftp", "tftp 8000000 uImage.karef;bootm 8000000");
+	setenv("bootcmd", "tftp 8000000 uImage.karef;bootm 8000000");
+
+	/*
+	 * Setup compact flash boot command
+	 */
+	setenv("bootcmd_cf", "fatload ide 0 8000000 uimage.karef;bootm 8000000");
+
+	saveenv();
+
+	return(1);
+}
+
+int karefRecover(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned short sernum;
+	char envstr[255];
+
+	sernum = sbcommon_get_serial_number();
+
+	printf("\nSetting up environment for filesystem recovery\n");
+	/*
+	 * Setup default bootargs
+	 */
+	memset(envstr, 0, 255);
+
+	sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
+		"rw ip=10.100.70.%d:::255.255.0.0:karef%d:eth0:none",
+		sernum, sernum);
+	setenv("bootargs", envstr);
+
+	/*
+	 * Setup Default boot command
+	 */
+
+	setenv("bootcmd", "fatload ide 0 8000000 uimage.karef;"
+	       "fatload ide 0 8100000 pramdisk;"
+	       "bootm 8000000 8100000");
+
+	printf("Done.  Please type boot<cr>.\nWhen the kernel has booted"
+	       " please type fsrecover.sh<cr>\n");
+
+	return(1);
+}
+
+U_BOOT_CMD(kasetup, 1, 1, karefSetupVars,
+	   "kasetup - Set environment to factory defaults\n", NULL);
+
+U_BOOT_CMD(karecover, 1, 1, karefRecover,
+	   "karecover - Set environment to allow for fs recovery\n", NULL);