scsi: Provide support for a list of AHCI controllers.

[karo-tx-uboot.git] / common / cmd_scsi.c

diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c
index 22d0119814fbf491600728a074dc9bf947dbace8..50eb239aaf6cd964dc9b8d7f52e7c9382dc15ade 100644 (file)
--- a/common/cmd_scsi.c
+++ b/common/cmd_scsi.c
@@ -34,6 +34,9 @@
 #include <image.h>
 #include <pci.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
@@ -49,8 +52,12 @@
 #elif !defined(CONFIG_SCSI_AHCI_PLAT)
 #error no scsi device defined
 #endif
+#define SCSI_DEV_LIST {SCSI_VEND_ID, SCSI_DEV_ID}
+#endif
 
-
+#ifdef CONFIG_PCI
+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 */
@@ -178,15 +185,38 @@ removable:
 void scsi_init(void)
 {
        int busdevfunc;
+       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 */
+               busdevfunc = pci_find_device(scsi_device_list[i].vendor,
+                                            scsi_device_list[i].device,
+                                            0);
+               if (busdevfunc != -1)
+                       break;
+       }
 
-       busdevfunc=pci_find_device(SCSI_VEND_ID,SCSI_DEV_ID,0); /* get PCI Device ID */
-       if(busdevfunc==-1) {
-               printf("Error SCSI Controller (%04X,%04X) not found\n",SCSI_VEND_ID,SCSI_DEV_ID);
+       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_VEND_ID,SCSI_DEV_ID,(busdevfunc>>16)&0xFF,(busdevfunc>>11)&0x1F,(busdevfunc>>8)&0x7);
+               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
        scsi_low_level_init(busdevfunc);