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-rw-r--r--common/sata.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/common/sata.c b/common/sata.c
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index 0000000..88f08c9
--- /dev/null
+++ b/common/sata.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2000-2005, DENX Software Engineering
+ * Wolfgang Denk <wd@denx.de>
+ * Copyright (C) Procsys. All rights reserved.
+ * Mushtaq Khan <mushtaq_k@procsys.com>
+ * <mushtaqk_921@yahoo.co.in>
+ * Copyright (C) 2008 Freescale Semiconductor, Inc.
+ * Dave Liu <daveliu@freescale.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <sata.h>
+
+struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
+
+#ifdef CONFIG_PARTITIONS
+struct blk_desc *sata_get_dev(int dev)
+{
+ return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
+}
+#endif
+
+#ifdef CONFIG_BLK
+static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
+ lbaint_t blkcnt, void *dst)
+{
+ return -ENOSYS;
+}
+
+static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start,
+ lbaint_t blkcnt, const void *buffer)
+{
+ return -ENOSYS;
+}
+#else
+static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start,
+ lbaint_t blkcnt, void *dst)
+{
+ return sata_read(block_dev->devnum, start, blkcnt, dst);
+}
+
+static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start,
+ lbaint_t blkcnt, const void *buffer)
+{
+ return sata_write(block_dev->devnum, start, blkcnt, buffer);
+}
+#endif
+
+int __sata_initialize(void)
+{
+ int rc;
+ int i;
+
+ for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) {
+ memset(&sata_dev_desc[i], 0, sizeof(struct blk_desc));
+ sata_dev_desc[i].if_type = IF_TYPE_SATA;
+ sata_dev_desc[i].devnum = i;
+ sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
+ sata_dev_desc[i].type = DEV_TYPE_HARDDISK;
+ sata_dev_desc[i].lba = 0;
+ sata_dev_desc[i].blksz = 512;
+ sata_dev_desc[i].log2blksz = LOG2(sata_dev_desc[i].blksz);
+#ifndef CONFIG_BLK
+ sata_dev_desc[i].block_read = sata_bread;
+ sata_dev_desc[i].block_write = sata_bwrite;
+#endif
+ rc = init_sata(i);
+ if (!rc) {
+ rc = scan_sata(i);
+ if (!rc && sata_dev_desc[i].lba > 0 &&
+ sata_dev_desc[i].blksz > 0)
+ part_init(&sata_dev_desc[i]);
+ }
+ }
+
+ return rc;
+}
+int sata_initialize(void) __attribute__((weak, alias("__sata_initialize")));
+
+__weak int __sata_stop(void)
+{
+ int i, err = 0;
+
+ for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++)
+ err |= reset_sata(i);
+
+ if (err)
+ printf("Could not reset some SATA devices\n");
+
+ return err;
+}
+int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
+
+#ifdef CONFIG_BLK
+static const struct blk_ops sata_blk_ops = {
+ .read = sata_bread,
+ .write = sata_bwrite,
+};
+
+U_BOOT_DRIVER(sata_blk) = {
+ .name = "sata_blk",
+ .id = UCLASS_BLK,
+ .ops = &sata_blk_ops,
+};
+#else
+U_BOOT_LEGACY_BLK(sata) = {
+ .if_typename = "sata",
+ .if_type = IF_TYPE_SATA,
+ .max_devs = CONFIG_SYS_SATA_MAX_DEVICE,
+ .desc = sata_dev_desc,
+};
+#endif