* Author: Ashish Kalra <ashish.kalra@freescale.com>
* Li Yang <leoli@freescale.com>
*
- * Copyright (c) 2006-2007 Freescale Semiconductor, Inc.
+ * Copyright (c) 2006-2007, 2011 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
IE_ON_SINGL_DEVICE_ERR | IE_ON_CMD_COMPLETE,
EXT_INDIRECT_SEG_PRD_FLAG = (1 << 31),
- DATA_SNOOP_ENABLE = (1 << 22),
+ DATA_SNOOP_ENABLE_V1 = (1 << 22),
+ DATA_SNOOP_ENABLE_V2 = (1 << 28),
};
/*
void __iomem *ssr_base;
void __iomem *csr_base;
int irq;
+ int data_snoop;
};
static inline unsigned int sata_fsl_tag(unsigned int tag,
}
static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc,
- u32 *ttl, dma_addr_t cmd_desc_paddr)
+ u32 *ttl, dma_addr_t cmd_desc_paddr,
+ int data_snoop)
{
struct scatterlist *sg;
unsigned int num_prde = 0;
ttl_dwords += sg_len;
prd->dba = cpu_to_le32(sg_addr);
- prd->ddc_and_ext =
- cpu_to_le32(DATA_SNOOP_ENABLE | (sg_len & ~0x03));
+ prd->ddc_and_ext = cpu_to_le32(data_snoop | (sg_len & ~0x03));
VPRINTK("sg_fill, ttl=%d, dba=0x%x, ddc=0x%x\n",
ttl_dwords, prd->dba, prd->ddc_and_ext);
/* set indirect extension flag along with indirect ext. size */
prd_ptr_to_indirect_ext->ddc_and_ext =
cpu_to_le32((EXT_INDIRECT_SEG_PRD_FLAG |
- DATA_SNOOP_ENABLE |
+ data_snoop |
(indirect_ext_segment_sz & ~0x03)));
}
if (qc->flags & ATA_QCFLAG_DMAMAP)
num_prde = sata_fsl_fill_sg(qc, (void *)cd,
- &ttl_dwords, cd_paddr);
+ &ttl_dwords, cd_paddr,
+ host_priv->data_snoop);
if (qc->tf.protocol == ATA_PROT_NCQ)
desc_info |= FPDMA_QUEUED_CMD;
},
};
-static int sata_fsl_probe(struct platform_device *ofdev,
- const struct of_device_id *match)
+static int sata_fsl_probe(struct platform_device *ofdev)
{
int retval = -ENXIO;
void __iomem *hcr_base = NULL;
}
host_priv->irq = irq;
+ if (of_device_is_compatible(ofdev->dev.of_node, "fsl,pq-sata-v2"))
+ host_priv->data_snoop = DATA_SNOOP_ENABLE_V2;
+ else
+ host_priv->data_snoop = DATA_SNOOP_ENABLE_V1;
+
/* allocate host structure */
host = ata_host_alloc_pinfo(&ofdev->dev, ppi, SATA_FSL_MAX_PORTS);
{
.compatible = "fsl,pq-sata",
},
+ {
+ .compatible = "fsl,pq-sata-v2",
+ },
{},
};
MODULE_DEVICE_TABLE(of, fsl_sata_match);
-static struct of_platform_driver fsl_sata_driver = {
+static struct platform_driver fsl_sata_driver = {
.driver = {
.name = "fsl-sata",
.owner = THIS_MODULE,
static int __init sata_fsl_init(void)
{
- of_register_platform_driver(&fsl_sata_driver);
+ platform_driver_register(&fsl_sata_driver);
return 0;
}
static void __exit sata_fsl_exit(void)
{
- of_unregister_platform_driver(&fsl_sata_driver);
+ platform_driver_unregister(&fsl_sata_driver);
}
MODULE_LICENSE("GPL");