diff --git a/common/scsi.c b/common/scsi.c
new file mode 100644
index 0000000..a336a10
--- /dev/null
+++ b/common/scsi.c
@@ -0,0 +1,567 @@
+/*
+ * (C) Copyright 2001
+ * Denis Peter, MPL AG Switzerland
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <inttypes.h>
+#include <pci.h>
+#include <scsi.h>
+
+#ifdef CONFIG_SCSI_DEV_LIST
+#define SCSI_DEV_LIST CONFIG_SCSI_DEV_LIST
+#else
+#ifdef CONFIG_SCSI_SYM53C8XX
+#define SCSI_VEND_ID	0x1000
+#ifndef CONFIG_SCSI_DEV_ID
+#define SCSI_DEV_ID		0x0001
+#else
+#define SCSI_DEV_ID		CONFIG_SCSI_DEV_ID
+#endif
+#elif defined CONFIG_SATA_ULI5288
+
+#define SCSI_VEND_ID 0x10b9
+#define SCSI_DEV_ID  0x5288
+
+#elif !defined(CONFIG_SCSI_AHCI_PLAT)
+#error no scsi device defined
+#endif
+#define SCSI_DEV_LIST {SCSI_VEND_ID, SCSI_DEV_ID}
+#endif
+
+#if defined(CONFIG_PCI) && !defined(CONFIG_SCSI_AHCI_PLAT)
+const struct pci_device_id scsi_device_list[] = { SCSI_DEV_LIST };
+#endif
+static ccb tempccb;	/* temporary scsi command buffer */
+
+static unsigned char tempbuff[512]; /* temporary data buffer */
+
+static int scsi_max_devs; /* number of highest available scsi device */
+
+static int scsi_curr_dev; /* current device */
+
+static struct blk_desc scsi_dev_desc[CONFIG_SYS_SCSI_MAX_DEVICE];
+
+/* almost the maximum amount of the scsi_ext command.. */
+#define SCSI_MAX_READ_BLK 0xFFFF
+#define SCSI_LBA48_READ	0xFFFFFFF
+
+#ifdef CONFIG_SYS_64BIT_LBA
+void scsi_setup_read16(ccb *pccb, lbaint_t start, unsigned long blocks)
+{
+	pccb->cmd[0] = SCSI_READ16;
+	pccb->cmd[1] = pccb->lun << 5;
+	pccb->cmd[2] = (unsigned char)(start >> 56) & 0xff;
+	pccb->cmd[3] = (unsigned char)(start >> 48) & 0xff;
+	pccb->cmd[4] = (unsigned char)(start >> 40) & 0xff;
+	pccb->cmd[5] = (unsigned char)(start >> 32) & 0xff;
+	pccb->cmd[6] = (unsigned char)(start >> 24) & 0xff;
+	pccb->cmd[7] = (unsigned char)(start >> 16) & 0xff;
+	pccb->cmd[8] = (unsigned char)(start >> 8) & 0xff;
+	pccb->cmd[9] = (unsigned char)start & 0xff;
+	pccb->cmd[10] = 0;
+	pccb->cmd[11] = (unsigned char)(blocks >> 24) & 0xff;
+	pccb->cmd[12] = (unsigned char)(blocks >> 16) & 0xff;
+	pccb->cmd[13] = (unsigned char)(blocks >> 8) & 0xff;
+	pccb->cmd[14] = (unsigned char)blocks & 0xff;
+	pccb->cmd[15] = 0;
+	pccb->cmdlen = 16;
+	pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
+	debug("scsi_setup_read16: cmd: %02X %02X startblk %02X%02X%02X%02X%02X%02X%02X%02X blccnt %02X%02X%02X%02X\n",
+	      pccb->cmd[0], pccb->cmd[1],
+	      pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5],
+	      pccb->cmd[6], pccb->cmd[7], pccb->cmd[8], pccb->cmd[9],
+	      pccb->cmd[11], pccb->cmd[12], pccb->cmd[13], pccb->cmd[14]);
+}
+#endif
+
+void scsi_setup_read_ext(ccb *pccb, lbaint_t start, unsigned short blocks)
+{
+	pccb->cmd[0] = SCSI_READ10;
+	pccb->cmd[1] = pccb->lun << 5;
+	pccb->cmd[2] = (unsigned char)(start >> 24) & 0xff;
+	pccb->cmd[3] = (unsigned char)(start >> 16) & 0xff;
+	pccb->cmd[4] = (unsigned char)(start >> 8) & 0xff;
+	pccb->cmd[5] = (unsigned char)start & 0xff;
+	pccb->cmd[6] = 0;
+	pccb->cmd[7] = (unsigned char)(blocks >> 8) & 0xff;
+	pccb->cmd[8] = (unsigned char)blocks & 0xff;
+	pccb->cmd[6] = 0;
+	pccb->cmdlen = 10;
+	pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
+	debug("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n",
+	      pccb->cmd[0], pccb->cmd[1],
+	      pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5],
+	      pccb->cmd[7], pccb->cmd[8]);
+}
+
+void scsi_setup_write_ext(ccb *pccb, lbaint_t start, unsigned short blocks)
+{
+	pccb->cmd[0] = SCSI_WRITE10;
+	pccb->cmd[1] = pccb->lun << 5;
+	pccb->cmd[2] = (unsigned char)(start >> 24) & 0xff;
+	pccb->cmd[3] = (unsigned char)(start >> 16) & 0xff;
+	pccb->cmd[4] = (unsigned char)(start >> 8) & 0xff;
+	pccb->cmd[5] = (unsigned char)start & 0xff;
+	pccb->cmd[6] = 0;
+	pccb->cmd[7] = ((unsigned char)(blocks >> 8)) & 0xff;
+	pccb->cmd[8] = (unsigned char)blocks & 0xff;
+	pccb->cmd[9] = 0;
+	pccb->cmdlen = 10;
+	pccb->msgout[0] = SCSI_IDENTIFY;  /* NOT USED */
+	debug("%s: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n",
+	      __func__,
+	      pccb->cmd[0], pccb->cmd[1],
+	      pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5],
+	      pccb->cmd[7], pccb->cmd[8]);
+}
+
+void scsi_setup_read6(ccb *pccb, lbaint_t start, unsigned short blocks)
+{
+	pccb->cmd[0] = SCSI_READ6;
+	pccb->cmd[1] = pccb->lun << 5 | ((unsigned char)(start >> 16) & 0x1f);
+	pccb->cmd[2] = (unsigned char)(start >> 8) & 0xff;
+	pccb->cmd[3] = (unsigned char)start & 0xff;
+	pccb->cmd[4] = (unsigned char)blocks & 0xff;
+	pccb->cmd[5] = 0;
+	pccb->cmdlen = 6;
+	pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
+	debug("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n",
+	      pccb->cmd[0], pccb->cmd[1],
+	      pccb->cmd[2], pccb->cmd[3], pccb->cmd[4]);
+}
+
+
+void scsi_setup_inquiry(ccb *pccb)
+{
+	pccb->cmd[0] = SCSI_INQUIRY;
+	pccb->cmd[1] = pccb->lun << 5;
+	pccb->cmd[2] = 0;
+	pccb->cmd[3] = 0;
+	if (pccb->datalen > 255)
+		pccb->cmd[4] = 255;
+	else
+		pccb->cmd[4] = (unsigned char)pccb->datalen;
+	pccb->cmd[5] = 0;
+	pccb->cmdlen = 6;
+	pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
+}
+
+static ulong scsi_read(struct blk_desc *block_dev, lbaint_t blknr,
+		       lbaint_t blkcnt, void *buffer)
+{
+	int device = block_dev->devnum;
+	lbaint_t start, blks;
+	uintptr_t buf_addr;
+	unsigned short smallblks = 0;
+	ccb *pccb = (ccb *)&tempccb;
+	device &= 0xff;
+
+	/* Setup device */
+	pccb->target = scsi_dev_desc[device].target;
+	pccb->lun = scsi_dev_desc[device].lun;
+	buf_addr = (unsigned long)buffer;
+	start = blknr;
+	blks = blkcnt;
+	debug("\nscsi_read: dev %d startblk " LBAF
+	      ", blccnt " LBAF " buffer %lx\n",
+	      device, start, blks, (unsigned long)buffer);
+	do {
+		pccb->pdata = (unsigned char *)buf_addr;
+#ifdef CONFIG_SYS_64BIT_LBA
+		if (start > SCSI_LBA48_READ) {
+			unsigned long blocks;
+			blocks = min_t(lbaint_t, blks, SCSI_MAX_READ_BLK);
+			pccb->datalen = scsi_dev_desc[device].blksz * blocks;
+			scsi_setup_read16(pccb, start, blocks);
+			start += blocks;
+			blks -= blocks;
+		} else
+#endif
+		if (blks > SCSI_MAX_READ_BLK) {
+			pccb->datalen = scsi_dev_desc[device].blksz *
+				SCSI_MAX_READ_BLK;
+			smallblks = SCSI_MAX_READ_BLK;
+			scsi_setup_read_ext(pccb, start, smallblks);
+			start += SCSI_MAX_READ_BLK;
+			blks -= SCSI_MAX_READ_BLK;
+		} else {
+			pccb->datalen = scsi_dev_desc[device].blksz * blks;
+			smallblks = (unsigned short)blks;
+			scsi_setup_read_ext(pccb, start, smallblks);
+			start += blks;
+			blks = 0;
+		}
+		debug("scsi_read_ext: startblk " LBAF
+		      ", blccnt %x buffer %" PRIXPTR "\n",
+		      start, smallblks, buf_addr);
+		if (scsi_exec(pccb) != true) {
+			scsi_print_error(pccb);
+			blkcnt -= blks;
+			break;
+		}
+		buf_addr += pccb->datalen;
+	} while (blks != 0);
+	debug("scsi_read_ext: end startblk " LBAF
+	      ", blccnt %x buffer %" PRIXPTR "\n", start, smallblks, buf_addr);
+	return blkcnt;
+}
+
+/*******************************************************************************
+ * scsi_write
+ */
+
+/* Almost the maximum amount of the scsi_ext command.. */
+#define SCSI_MAX_WRITE_BLK 0xFFFF
+
+static ulong scsi_write(struct blk_desc *block_dev, lbaint_t blknr,
+			lbaint_t blkcnt, const void *buffer)
+{
+	int device = block_dev->devnum;
+	lbaint_t start, blks;
+	uintptr_t buf_addr;
+	unsigned short smallblks;
+	ccb *pccb = (ccb *)&tempccb;
+
+	device &= 0xff;
+
+	/* Setup device */
+	pccb->target = scsi_dev_desc[device].target;
+	pccb->lun = scsi_dev_desc[device].lun;
+	buf_addr = (unsigned long)buffer;
+	start = blknr;
+	blks = blkcnt;
+	debug("\n%s: dev %d startblk " LBAF ", blccnt " LBAF " buffer %lx\n",
+	      __func__, device, start, blks, (unsigned long)buffer);
+	do {
+		pccb->pdata = (unsigned char *)buf_addr;
+		if (blks > SCSI_MAX_WRITE_BLK) {
+			pccb->datalen = (scsi_dev_desc[device].blksz *
+					 SCSI_MAX_WRITE_BLK);
+			smallblks = SCSI_MAX_WRITE_BLK;
+			scsi_setup_write_ext(pccb, start, smallblks);
+			start += SCSI_MAX_WRITE_BLK;
+			blks -= SCSI_MAX_WRITE_BLK;
+		} else {
+			pccb->datalen = scsi_dev_desc[device].blksz * blks;
+			smallblks = (unsigned short)blks;
+			scsi_setup_write_ext(pccb, start, smallblks);
+			start += blks;
+			blks = 0;
+		}
+		debug("%s: startblk " LBAF ", blccnt %x buffer %" PRIXPTR "\n",
+		      __func__, start, smallblks, buf_addr);
+		if (scsi_exec(pccb) != true) {
+			scsi_print_error(pccb);
+			blkcnt -= blks;
+			break;
+		}
+		buf_addr += pccb->datalen;
+	} while (blks != 0);
+	debug("%s: end startblk " LBAF ", blccnt %x buffer %" PRIXPTR "\n",
+	      __func__, start, smallblks, buf_addr);
+	return blkcnt;
+}
+
+int scsi_get_disk_count(void)
+{
+	return scsi_max_devs;
+}
+
+#if defined(CONFIG_PCI) && !defined(CONFIG_SCSI_AHCI_PLAT)
+void scsi_init(void)
+{
+	int busdevfunc = -1;
+	int i;
+	/*
+	 * Find a device from the list, this driver will support a single
+	 * controller.
+	 */
+	for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) {
+		/* get PCI Device ID */
+#ifdef CONFIG_DM_PCI
+		struct udevice *dev;
+		int ret;
+
+		ret = dm_pci_find_device(scsi_device_list[i].vendor,
+					 scsi_device_list[i].device, 0, &dev);
+		if (!ret) {
+			busdevfunc = dm_pci_get_bdf(dev);
+			break;
+		}
+#else
+		busdevfunc = pci_find_device(scsi_device_list[i].vendor,
+					     scsi_device_list[i].device,
+					     0);
+#endif
+		if (busdevfunc != -1)
+			break;
+	}
+
+	if (busdevfunc == -1) {
+		printf("Error: SCSI Controller(s) ");
+		for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) {
+			printf("%04X:%04X ",
+			       scsi_device_list[i].vendor,
+			       scsi_device_list[i].device);
+		}
+		printf("not found\n");
+		return;
+	}
+#ifdef DEBUG
+	else {
+		printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n",
+		       scsi_device_list[i].vendor,
+		       scsi_device_list[i].device,
+		       (busdevfunc >> 16) & 0xFF,
+		       (busdevfunc >> 11) & 0x1F,
+		       (busdevfunc >> 8) & 0x7);
+	}
+#endif
+	bootstage_start(BOOTSTAGE_ID_ACCUM_SCSI, "ahci");
+	scsi_low_level_init(busdevfunc);
+	scsi_scan(1);
+	bootstage_accum(BOOTSTAGE_ID_ACCUM_SCSI);
+}
+#endif
+
+#ifdef CONFIG_PARTITIONS
+struct blk_desc *scsi_get_dev(int dev)
+{
+	return (dev < CONFIG_SYS_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL;
+}
+#endif
+
+/* copy src to dest, skipping leading and trailing blanks
+ * and null terminate the string
+ */
+void scsi_ident_cpy(unsigned char *dest, unsigned char *src, unsigned int len)
+{
+	int start, end;
+
+	start = 0;
+	while (start < len) {
+		if (src[start] != ' ')
+			break;
+		start++;
+	}
+	end = len-1;
+	while (end > start) {
+		if (src[end] != ' ')
+			break;
+		end--;
+	}
+	for (; start <= end; start++)
+		*dest ++= src[start];
+	*dest = '\0';
+}
+
+
+/* Trim trailing blanks, and NUL-terminate string
+ */
+void scsi_trim_trail(unsigned char *str, unsigned int len)
+{
+	unsigned char *p = str + len - 1;
+
+	while (len-- > 0) {
+		*p-- = '\0';
+		if (*p != ' ')
+			return;
+	}
+}
+
+int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, unsigned long *blksz)
+{
+	*capacity = 0;
+
+	memset(pccb->cmd, '\0', sizeof(pccb->cmd));
+	pccb->cmd[0] = SCSI_RD_CAPAC10;
+	pccb->cmd[1] = pccb->lun << 5;
+	pccb->cmdlen = 10;
+	pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
+
+	pccb->datalen = 8;
+	if (scsi_exec(pccb) != true)
+		return 1;
+
+	*capacity = ((lbaint_t)pccb->pdata[0] << 24) |
+		    ((lbaint_t)pccb->pdata[1] << 16) |
+		    ((lbaint_t)pccb->pdata[2] << 8)  |
+		    ((lbaint_t)pccb->pdata[3]);
+
+	if (*capacity != 0xffffffff) {
+		/* Read capacity (10) was sufficient for this drive. */
+		*blksz = ((unsigned long)pccb->pdata[4] << 24) |
+			 ((unsigned long)pccb->pdata[5] << 16) |
+			 ((unsigned long)pccb->pdata[6] << 8)  |
+			 ((unsigned long)pccb->pdata[7]);
+		return 0;
+	}
+
+	/* Read capacity (10) was insufficient. Use read capacity (16). */
+	memset(pccb->cmd, '\0', sizeof(pccb->cmd));
+	pccb->cmd[0] = SCSI_RD_CAPAC16;
+	pccb->cmd[1] = 0x10;
+	pccb->cmdlen = 16;
+	pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
+
+	pccb->datalen = 16;
+	if (scsi_exec(pccb) != true)
+		return 1;
+
+	*capacity = ((uint64_t)pccb->pdata[0] << 56) |
+		    ((uint64_t)pccb->pdata[1] << 48) |
+		    ((uint64_t)pccb->pdata[2] << 40) |
+		    ((uint64_t)pccb->pdata[3] << 32) |
+		    ((uint64_t)pccb->pdata[4] << 24) |
+		    ((uint64_t)pccb->pdata[5] << 16) |
+		    ((uint64_t)pccb->pdata[6] << 8)  |
+		    ((uint64_t)pccb->pdata[7]);
+
+	*blksz = ((uint64_t)pccb->pdata[8]  << 56) |
+		 ((uint64_t)pccb->pdata[9]  << 48) |
+		 ((uint64_t)pccb->pdata[10] << 40) |
+		 ((uint64_t)pccb->pdata[11] << 32) |
+		 ((uint64_t)pccb->pdata[12] << 24) |
+		 ((uint64_t)pccb->pdata[13] << 16) |
+		 ((uint64_t)pccb->pdata[14] << 8)  |
+		 ((uint64_t)pccb->pdata[15]);
+
+	return 0;
+}
+
+
+/*
+ * Some setup (fill-in) routines
+ */
+void scsi_setup_test_unit_ready(ccb *pccb)
+{
+	pccb->cmd[0] = SCSI_TST_U_RDY;
+	pccb->cmd[1] = pccb->lun << 5;
+	pccb->cmd[2] = 0;
+	pccb->cmd[3] = 0;
+	pccb->cmd[4] = 0;
+	pccb->cmd[5] = 0;
+	pccb->cmdlen = 6;
+	pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
+}
+
+/*
+ * (re)-scan the scsi bus and reports scsi device info
+ * to the user if mode = 1
+ */
+void scsi_scan(int mode)
+{
+	unsigned char i, perq, modi, lun;
+	lbaint_t capacity;
+	unsigned long blksz;
+	ccb *pccb = (ccb *)&tempccb;
+
+	if (mode == 1)
+		printf("scanning bus for devices...\n");
+	for (i = 0; i < CONFIG_SYS_SCSI_MAX_DEVICE; i++) {
+		scsi_dev_desc[i].target = 0xff;
+		scsi_dev_desc[i].lun = 0xff;
+		scsi_dev_desc[i].lba = 0;
+		scsi_dev_desc[i].blksz = 0;
+		scsi_dev_desc[i].log2blksz =
+			LOG2_INVALID(typeof(scsi_dev_desc[i].log2blksz));
+		scsi_dev_desc[i].type = DEV_TYPE_UNKNOWN;
+		scsi_dev_desc[i].vendor[0] = 0;
+		scsi_dev_desc[i].product[0] = 0;
+		scsi_dev_desc[i].revision[0] = 0;
+		scsi_dev_desc[i].removable = false;
+		scsi_dev_desc[i].if_type = IF_TYPE_SCSI;
+		scsi_dev_desc[i].devnum = i;
+		scsi_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
+		scsi_dev_desc[i].block_read = scsi_read;
+		scsi_dev_desc[i].block_write = scsi_write;
+	}
+	scsi_max_devs = 0;
+	for (i = 0; i < CONFIG_SYS_SCSI_MAX_SCSI_ID; i++) {
+		pccb->target = i;
+		for (lun = 0; lun < CONFIG_SYS_SCSI_MAX_LUN; lun++) {
+			pccb->lun = lun;
+			pccb->pdata = (unsigned char *)&tempbuff;
+			pccb->datalen = 512;
+			scsi_setup_inquiry(pccb);
+			if (scsi_exec(pccb) != true) {
+				if (pccb->contr_stat == SCSI_SEL_TIME_OUT) {
+					/*
+					 * selection timeout => assuming no
+					 * device present
+					 */
+					debug("Selection timeout ID %d\n",
+					      pccb->target);
+					continue;
+				}
+				scsi_print_error(pccb);
+				continue;
+			}
+			perq = tempbuff[0];
+			modi = tempbuff[1];
+			if ((perq & 0x1f) == 0x1f)
+				continue; /* skip unknown devices */
+			if ((modi & 0x80) == 0x80) /* drive is removable */
+				scsi_dev_desc[scsi_max_devs].removable = true;
+			/* get info for this device */
+			scsi_ident_cpy((unsigned char *)&scsi_dev_desc
+						[scsi_max_devs].vendor[0],
+				       &tempbuff[8], 8);
+			scsi_ident_cpy((unsigned char *)&scsi_dev_desc
+						[scsi_max_devs].product[0],
+				       &tempbuff[16], 16);
+			scsi_ident_cpy((unsigned char *)&scsi_dev_desc
+						[scsi_max_devs].revision[0],
+				       &tempbuff[32], 4);
+			scsi_dev_desc[scsi_max_devs].target = pccb->target;
+			scsi_dev_desc[scsi_max_devs].lun = pccb->lun;
+
+			pccb->datalen = 0;
+			scsi_setup_test_unit_ready(pccb);
+			if (scsi_exec(pccb) != true) {
+				if (scsi_dev_desc[scsi_max_devs].removable) {
+					scsi_dev_desc[scsi_max_devs].type =
+							perq;
+					goto removable;
+				}
+				scsi_print_error(pccb);
+				continue;
+			}
+			if (scsi_read_capacity(pccb, &capacity, &blksz)) {
+				scsi_print_error(pccb);
+				continue;
+			}
+			scsi_dev_desc[scsi_max_devs].lba = capacity;
+			scsi_dev_desc[scsi_max_devs].blksz = blksz;
+			scsi_dev_desc[scsi_max_devs].log2blksz =
+				LOG2(scsi_dev_desc[scsi_max_devs].blksz);
+			scsi_dev_desc[scsi_max_devs].type = perq;
+			part_init(&scsi_dev_desc[scsi_max_devs]);
+removable:
+			if (mode == 1) {
+				printf("  Device %d: ", scsi_max_devs);
+				dev_print(&scsi_dev_desc[scsi_max_devs]);
+			} /* if mode */
+			scsi_max_devs++;
+		} /* next LUN */
+	}
+	if (scsi_max_devs > 0)
+		scsi_curr_dev = 0;
+	else
+		scsi_curr_dev = -1;
+
+	printf("Found %d device(s).\n", scsi_max_devs);
+#ifndef CONFIG_SPL_BUILD
+	setenv_ulong("scsidevs", scsi_max_devs);
+#endif
+}
+
+U_BOOT_LEGACY_BLK(scsi) = {
+	.if_typename	= "sata",
+	.if_type	= IF_TYPE_SCSI,
+	.max_devs	= CONFIG_SYS_SCSI_MAX_DEVICE,
+	.desc		= scsi_dev_desc,
+};