OMAP5+: sata/scsi: implement scsi_bus_reset()

[u-boot] / arch / arm / cpu / armv7 / omap-common / sata.c

diff --git a/arch/arm/cpu/armv7/omap-common/sata.c b/arch/arm/cpu/armv7/omap-common/sata.c
index cad4feed000595410a396ee34961a727aa007a69..d18bc50c5abd11a3c9b9f38a03978362c0ade127 100644 (file)
--- a/arch/arm/cpu/armv7/omap-common/sata.c
+++ b/arch/arm/cpu/armv7/omap-common/sata.c
@@ -70,7 +70,24 @@ int init_sata(int dev)
        writel(val, TI_SATA_WRAPPER_BASE + TI_SATA_SYSCONFIG);
 
        ret = ahci_init(DWC_AHSATA_BASE);
-       scsi_scan(1);
 
        return ret;
 }
+
+int reset_sata(int dev)
+{
+       return 0;
+}
+
+/* On OMAP platforms SATA provides the SCSI subsystem */
+void scsi_init(void)
+{
+       init_sata(0);
+       scsi_scan(1);
+}
+
+void scsi_bus_reset(void)
+{
+       ahci_reset(DWC_AHSATA_BASE);
+       ahci_init(DWC_AHSATA_BASE);
+}