-static struct blk_desc scsi_dev_desc[CONFIG_SYS_SCSI_MAX_DEVICE];
-
-/********************************************************************************
- * forward declerations of some Setup Routines
- */
-void scsi_setup_test_unit_ready(ccb * pccb);
-void scsi_setup_read6(ccb * pccb, lbaint_t start, unsigned short blocks);
-void scsi_setup_read_ext(ccb * pccb, lbaint_t start, unsigned short blocks);
-void scsi_setup_read16(ccb * pccb, lbaint_t start, unsigned long blocks);
-
-static void scsi_setup_write_ext(ccb *pccb, lbaint_t start,
- unsigned short blocks);
-void scsi_setup_inquiry(ccb * pccb);
-void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
-
-
-static int scsi_read_capacity(ccb *pccb, lbaint_t *capacity,
- unsigned long *blksz);
-static ulong scsi_read(struct blk_desc *block_dev, lbaint_t blknr,
- lbaint_t blkcnt, void *buffer);
-static ulong scsi_write(struct blk_desc *block_dev, lbaint_t blknr,
- lbaint_t blkcnt, const void *buffer);
-
-
-/*********************************************************************************
- * (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].dev=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) {
- debug ("Selection timeout ID %d\n",pccb->target);
- continue; /* selection timeout => assuming no device present */
- }
- 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 == true) {
- 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
-}
-
-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
-
-/******************************************************************************