X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fblock%2Ffsl_sata.c;h=3026adec0d6109b67eefd05177bff14409c326ab;hb=a35ea8070cd1e222a7c55bc32acf2e4efe80dbbb;hp=abcda6fb5fd6852a3bf775383df95666f3cf562b;hpb=84efbf4d144ff8aaed3cca036aebb1fe69eff3f4;p=u-boot

diff --git a/drivers/block/fsl_sata.c b/drivers/block/fsl_sata.c
index abcda6fb5f..3026adec0d 100644
--- a/drivers/block/fsl_sata.c
+++ b/drivers/block/fsl_sata.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Freescale Semiconductor, Inc.
+ * Copyright (C) 2008,2010 Freescale Semiconductor, Inc.
  *		Dave Liu <daveliu@freescale.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -21,6 +21,8 @@
 #include <common.h>
 #include <command.h>
 #include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/fsl_serdes.h>
 #include <malloc.h>
 #include <libata.h>
 #include <fis.h>
@@ -48,13 +50,6 @@ static struct fsl_sata_info fsl_sata_info[] = {
 #endif
 };
 
-static inline void mdelay(unsigned long msec)
-{
-	unsigned long i;
-	for (i = 0; i < msec; i++)
-		udelay(1000);
-}
-
 static inline void sdelay(unsigned long sec)
 {
 	unsigned long i;
@@ -128,6 +123,17 @@ int init_sata(int dev)
 		return -1;
 	}
 
+#ifdef CONFIG_MPC85xx
+	if ((dev == 0) && (!is_serdes_configured(SATA1))) {
+		printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
+		return -1;
+	}
+	if ((dev == 1) && (!is_serdes_configured(SATA2))) {
+		printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
+		return -1;
+	}
+#endif
+
 	/* Allocate SATA device driver struct */
 	sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t));
 	if (!sata) {
@@ -666,7 +672,7 @@ u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write
 	int ncq_channel;
 	u64 block;
 
-	if (sata_dev_desc[dev].lba48 != 1) {
+	if (sata->lba48 != 1) {
 		printf("execute FPDMA command on non-LBA48 hard disk\n\r");
 		return -1;
 	}
@@ -820,8 +826,9 @@ u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt, void *buffer, int is_
 ulong sata_read(int dev, u32 blknr, u32 blkcnt, void *buffer)
 {
 	u32 rc;
+	fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
 
-	if (sata_dev_desc[dev].lba48)
+	if (sata->lba48)
 		rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
 	else
 		rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
@@ -831,8 +838,9 @@ ulong sata_read(int dev, u32 blknr, u32 blkcnt, void *buffer)
 ulong sata_write(int dev, u32 blknr, u32 blkcnt, void *buffer)
 {
 	u32 rc;
+	fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
 
-	if (sata_dev_desc[dev].lba48) {
+	if (sata->lba48) {
 		rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
 		if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev))
 			fsl_sata_flush_cache_ext(dev);
@@ -882,11 +890,14 @@ int scan_sata(int dev)
 	n_sectors = ata_id_n_sectors(id);
 	sata_dev_desc[dev].lba = (u32)n_sectors;
 
+#ifdef CONFIG_LBA48
 	/* Check if support LBA48 */
 	if (ata_id_has_lba48(id)) {
-		sata_dev_desc[dev].lba48 = 1;
+		sata->lba48 = 1;
 		debug("Device support LBA48\n\r");
-	}
+	} else
+		debug("Device supports LBA28\n\r");
+#endif
 
 	/* Get the NCQ queue depth from device */
 	sata->queue_depth = ata_id_queue_depth(id);