diff options
Diffstat (limited to 'target/linux/apm821xx/patches-4.4/020-sata-dwc.patch')
| -rw-r--r-- | target/linux/apm821xx/patches-4.4/020-sata-dwc.patch | 77 |
1 files changed, 36 insertions, 41 deletions
diff --git a/target/linux/apm821xx/patches-4.4/020-sata-dwc.patch b/target/linux/apm821xx/patches-4.4/020-sata-dwc.patch index 772c0dcf9b..1a6ce05624 100644 --- a/target/linux/apm821xx/patches-4.4/020-sata-dwc.patch +++ b/target/linux/apm821xx/patches-4.4/020-sata-dwc.patch @@ -66,8 +66,6 @@ Mans Rullgard (11): drivers/ata/sata_dwc_460ex.c | 552 ++++++++++++++++++++++--------------------- 1 file changed, 283 insertions(+), 269 deletions(-) -diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c -index 9020349..00c2af1 100644 --- a/drivers/ata/sata_dwc_460ex.c +++ b/drivers/ata/sata_dwc_460ex.c @@ -30,10 +30,12 @@ @@ -197,7 +195,7 @@ index 9020349..00c2af1 100644 /* * Prototypes */ -@@ -215,6 +192,93 @@ static void sata_dwc_dma_xfer_complete(struct ata_port *ap, u32 check_status); +@@ -215,6 +192,93 @@ static void sata_dwc_dma_xfer_complete(s static void sata_dwc_port_stop(struct ata_port *ap); static void sata_dwc_clear_dmacr(struct sata_dwc_device_port *hsdevp, u8 tag); @@ -291,7 +289,7 @@ index 9020349..00c2af1 100644 static const char *get_prot_descript(u8 protocol) { switch ((enum ata_tf_protocols)protocol) { -@@ -305,21 +369,20 @@ static struct dma_async_tx_descriptor *dma_dwc_xfer_setup(struct ata_queued_cmd +@@ -305,21 +369,20 @@ static struct dma_async_tx_descriptor *d struct ata_port *ap = qc->ap; struct sata_dwc_device_port *hsdevp = HSDEVP_FROM_AP(ap); struct sata_dwc_device *hsdev = HSDEV_FROM_AP(ap); @@ -318,7 +316,7 @@ index 9020349..00c2af1 100644 sconf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; sconf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; -@@ -336,8 +399,8 @@ static struct dma_async_tx_descriptor *dma_dwc_xfer_setup(struct ata_queued_cmd +@@ -336,8 +399,8 @@ static struct dma_async_tx_descriptor *d desc->callback = dma_dwc_xfer_done; desc->callback_param = hsdev; @@ -329,7 +327,7 @@ index 9020349..00c2af1 100644 return desc; } -@@ -350,48 +413,38 @@ static int sata_dwc_scr_read(struct ata_link *link, unsigned int scr, u32 *val) +@@ -350,48 +413,38 @@ static int sata_dwc_scr_read(struct ata_ return -EINVAL; } @@ -389,7 +387,7 @@ index 9020349..00c2af1 100644 } static u32 qcmd_tag_to_mask(u8 tag) -@@ -412,7 +465,7 @@ static void sata_dwc_error_intr(struct ata_port *ap, +@@ -412,7 +465,7 @@ static void sata_dwc_error_intr(struct a ata_ehi_clear_desc(ehi); @@ -398,7 +396,7 @@ index 9020349..00c2af1 100644 status = ap->ops->sff_check_status(ap); tag = ap->link.active_tag; -@@ -423,7 +476,7 @@ static void sata_dwc_error_intr(struct ata_port *ap, +@@ -423,7 +476,7 @@ static void sata_dwc_error_intr(struct a hsdevp->dma_pending[tag], hsdevp->cmd_issued[tag]); /* Clear error register and interrupt bit */ @@ -407,7 +405,7 @@ index 9020349..00c2af1 100644 clear_interrupt_bit(hsdev, SATA_DWC_INTPR_ERR); /* This is the only error happening now. TODO check for exact error */ -@@ -462,12 +515,12 @@ static irqreturn_t sata_dwc_isr(int irq, void *dev_instance) +@@ -462,12 +515,12 @@ static irqreturn_t sata_dwc_isr(int irq, int handled, num_processed, port = 0; uint intpr, sactive, sactive2, tag_mask; struct sata_dwc_device_port *hsdevp; @@ -422,7 +420,7 @@ index 9020349..00c2af1 100644 ap = host->ports[port]; hsdevp = HSDEVP_FROM_AP(ap); -@@ -486,12 +539,12 @@ static irqreturn_t sata_dwc_isr(int irq, void *dev_instance) +@@ -486,12 +539,12 @@ static irqreturn_t sata_dwc_isr(int irq, if (intpr & SATA_DWC_INTPR_NEWFP) { clear_interrupt_bit(hsdev, SATA_DWC_INTPR_NEWFP); @@ -437,7 +435,7 @@ index 9020349..00c2af1 100644 qc = ata_qc_from_tag(ap, tag); /* -@@ -505,11 +558,11 @@ static irqreturn_t sata_dwc_isr(int irq, void *dev_instance) +@@ -505,11 +558,11 @@ static irqreturn_t sata_dwc_isr(int irq, handled = 1; goto DONE; } @@ -512,7 +510,7 @@ index 9020349..00c2af1 100644 } else { /* * This should not happen, it indicates the driver is out of -@@ -688,10 +737,9 @@ static void sata_dwc_clear_dmacr(struct sata_dwc_device_port *hsdevp, u8 tag) +@@ -688,10 +737,9 @@ static void sata_dwc_clear_dmacr(struct */ dev_err(hsdev->dev, "%s DMA protocol RX and TX DMA not pending tag=0x%02x pending=%d dmacr: 0x%08x\n", @@ -526,7 +524,7 @@ index 9020349..00c2af1 100644 } } -@@ -716,7 +764,7 @@ static void sata_dwc_dma_xfer_complete(struct ata_port *ap, u32 check_status) +@@ -716,7 +764,7 @@ static void sata_dwc_dma_xfer_complete(s __func__, qc->tag, qc->tf.command, get_dma_dir_descript(qc->dma_dir), get_prot_descript(qc->tf.protocol), @@ -535,7 +533,7 @@ index 9020349..00c2af1 100644 } #endif -@@ -725,7 +773,7 @@ static void sata_dwc_dma_xfer_complete(struct ata_port *ap, u32 check_status) +@@ -725,7 +773,7 @@ static void sata_dwc_dma_xfer_complete(s dev_err(ap->dev, "%s DMA protocol RX and TX DMA not pending dmacr: 0x%08x\n", __func__, @@ -544,7 +542,7 @@ index 9020349..00c2af1 100644 } hsdevp->dma_pending[tag] = SATA_DWC_DMA_PENDING_NONE; -@@ -742,8 +790,9 @@ static int sata_dwc_qc_complete(struct ata_port *ap, struct ata_queued_cmd *qc, +@@ -742,8 +790,9 @@ static int sata_dwc_qc_complete(struct a u8 status = 0; u32 mask = 0x0; u8 tag = qc->tag; @@ -555,7 +553,7 @@ index 9020349..00c2af1 100644 dev_dbg(ap->dev, "%s checkstatus? %x\n", __func__, check_status); if (hsdevp->dma_pending[tag] == SATA_DWC_DMA_PENDING_TX) -@@ -756,10 +805,8 @@ static int sata_dwc_qc_complete(struct ata_port *ap, struct ata_queued_cmd *qc, +@@ -756,10 +805,8 @@ static int sata_dwc_qc_complete(struct a /* clear active bit */ mask = (~(qcmd_tag_to_mask(tag))); @@ -568,7 +566,7 @@ index 9020349..00c2af1 100644 ata_qc_complete(qc); return 0; } -@@ -767,54 +814,62 @@ static int sata_dwc_qc_complete(struct ata_port *ap, struct ata_queued_cmd *qc, +@@ -767,54 +814,62 @@ static int sata_dwc_qc_complete(struct a static void sata_dwc_enable_interrupts(struct sata_dwc_device *hsdev) { /* Enable selective interrupts by setting the interrupt maskregister*/ @@ -621,18 +619,18 @@ index 9020349..00c2af1 100644 + port->lbal_addr = base + 0x0c; + port->lbam_addr = base + 0x10; + port->lbah_addr = base + 0x14; - -- port->error_addr = (void __iomem *)base + 0x04; -- port->feature_addr = (void __iomem *)base + 0x04; ++ + port->device_addr = base + 0x18; + port->command_addr = base + 0x1c; + port->status_addr = base + 0x1c; -- port->nsect_addr = (void __iomem *)base + 0x08; +- port->error_addr = (void __iomem *)base + 0x04; +- port->feature_addr = (void __iomem *)base + 0x04; + port->altstatus_addr = base + 0x20; + port->ctl_addr = base + 0x20; +} -+ + +- port->nsect_addr = (void __iomem *)base + 0x08; +static int sata_dwc_dma_get_channel(struct sata_dwc_device_port *hsdevp) +{ + struct sata_dwc_device *hsdev = hsdevp->hsdev; @@ -662,7 +660,7 @@ index 9020349..00c2af1 100644 } /* -@@ -829,7 +884,6 @@ static int sata_dwc_port_start(struct ata_port *ap) +@@ -829,7 +884,6 @@ static int sata_dwc_port_start(struct at struct sata_dwc_device *hsdev; struct sata_dwc_device_port *hsdevp = NULL; struct device *pdev; @@ -670,7 +668,7 @@ index 9020349..00c2af1 100644 int i; hsdev = HSDEV_FROM_AP(ap); -@@ -853,20 +907,13 @@ static int sata_dwc_port_start(struct ata_port *ap) +@@ -853,20 +907,13 @@ static int sata_dwc_port_start(struct at } hsdevp->hsdev = hsdev; @@ -696,7 +694,7 @@ index 9020349..00c2af1 100644 for (i = 0; i < SATA_DWC_QCMD_MAX; i++) hsdevp->cmd_issued[i] = SATA_DWC_CMD_ISSUED_NOT; -@@ -877,18 +924,18 @@ static int sata_dwc_port_start(struct ata_port *ap) +@@ -877,18 +924,18 @@ static int sata_dwc_port_start(struct at if (ap->port_no == 0) { dev_dbg(ap->dev, "%s: clearing TXCHEN, RXCHEN in DMAC\n", __func__); @@ -736,7 +734,7 @@ index 9020349..00c2af1 100644 kfree(hsdevp); ap->private_data = NULL; -@@ -924,22 +973,20 @@ static void sata_dwc_exec_command_by_tag(struct ata_port *ap, +@@ -924,22 +973,20 @@ static void sata_dwc_exec_command_by_tag struct ata_taskfile *tf, u8 tag, u32 cmd_issued) { @@ -761,7 +759,7 @@ index 9020349..00c2af1 100644 ata_sff_exec_command(ap, tf); } -@@ -992,18 +1039,18 @@ static void sata_dwc_bmdma_start_by_tag(struct ata_queued_cmd *qc, u8 tag) +@@ -992,18 +1039,18 @@ static void sata_dwc_bmdma_start_by_tag( sata_dwc_tf_dump(ap, &qc->tf); if (start_dma) { @@ -785,7 +783,7 @@ index 9020349..00c2af1 100644 /* Enable AHB DMA transfer on the specified channel */ dmaengine_submit(desc); -@@ -1025,36 +1072,12 @@ static void sata_dwc_bmdma_start(struct ata_queued_cmd *qc) +@@ -1025,36 +1072,12 @@ static void sata_dwc_bmdma_start(struct sata_dwc_bmdma_start_by_tag(qc, tag); } @@ -823,7 +821,7 @@ index 9020349..00c2af1 100644 #ifdef DEBUG_NCQ if (qc->tag > 0 || ap->link.sactive > 1) -@@ -1068,47 +1091,33 @@ static unsigned int sata_dwc_qc_issue(struct ata_queued_cmd *qc) +@@ -1068,47 +1091,33 @@ static unsigned int sata_dwc_qc_issue(st if (!ata_is_ncq(qc->tf.protocol)) tag = 0; @@ -883,7 +881,7 @@ index 9020349..00c2af1 100644 static void sata_dwc_error_handler(struct ata_port *ap) { ata_sff_error_handler(ap); -@@ -1125,17 +1134,22 @@ static int sata_dwc_hardreset(struct ata_link *link, unsigned int *class, +@@ -1125,17 +1134,22 @@ static int sata_dwc_hardreset(struct ata sata_dwc_enable_interrupts(hsdev); /* Reconfigure the DMA control register */ @@ -911,7 +909,7 @@ index 9020349..00c2af1 100644 /* * scsi mid-layer and libata interface structures */ -@@ -1148,7 +1162,13 @@ static struct scsi_host_template sata_dwc_sht = { +@@ -1148,7 +1162,13 @@ static struct scsi_host_template sata_dw */ .sg_tablesize = LIBATA_MAX_PRD, /* .can_queue = ATA_MAX_QUEUE, */ @@ -926,7 +924,7 @@ index 9020349..00c2af1 100644 }; static struct ata_port_operations sata_dwc_ops = { -@@ -1157,7 +1177,6 @@ static struct ata_port_operations sata_dwc_ops = { +@@ -1157,7 +1177,6 @@ static struct ata_port_operations sata_d .error_handler = sata_dwc_error_handler, .hardreset = sata_dwc_hardreset, @@ -934,7 +932,7 @@ index 9020349..00c2af1 100644 .qc_issue = sata_dwc_qc_issue, .scr_read = sata_dwc_scr_read, -@@ -1166,6 +1185,8 @@ static struct ata_port_operations sata_dwc_ops = { +@@ -1166,6 +1185,8 @@ static struct ata_port_operations sata_d .port_start = sata_dwc_port_start, .port_stop = sata_dwc_port_stop, @@ -943,7 +941,7 @@ index 9020349..00c2af1 100644 .bmdma_setup = sata_dwc_bmdma_setup, .bmdma_start = sata_dwc_bmdma_start, }; -@@ -1184,13 +1205,14 @@ static int sata_dwc_probe(struct platform_device *ofdev) +@@ -1184,13 +1205,14 @@ static int sata_dwc_probe(struct platfor struct sata_dwc_device *hsdev; u32 idr, versionr; char *ver = (char *)&versionr; @@ -959,7 +957,7 @@ index 9020349..00c2af1 100644 /* Allocate DWC SATA device */ host = ata_host_alloc_pinfo(&ofdev->dev, ppi, SATA_DWC_MAX_PORTS); -@@ -1201,57 +1223,33 @@ static int sata_dwc_probe(struct platform_device *ofdev) +@@ -1201,57 +1223,33 @@ static int sata_dwc_probe(struct platfor host->private_data = hsdev; /* Ioremap SATA registers */ @@ -1026,7 +1024,7 @@ index 9020349..00c2af1 100644 /* Enable SATA Interrupts */ sata_dwc_enable_interrupts(hsdev); -@@ -1263,6 +1261,25 @@ static int sata_dwc_probe(struct platform_device *ofdev) +@@ -1263,6 +1261,25 @@ static int sata_dwc_probe(struct platfor goto error_out; } @@ -1052,7 +1050,7 @@ index 9020349..00c2af1 100644 /* * Now, register with libATA core, this will also initiate the * device discovery process, invoking our port_start() handler & -@@ -1276,12 +1293,7 @@ static int sata_dwc_probe(struct platform_device *ofdev) +@@ -1276,12 +1293,7 @@ static int sata_dwc_probe(struct platfor return 0; error_out: @@ -1066,7 +1064,7 @@ index 9020349..00c2af1 100644 return err; } -@@ -1293,11 +1305,13 @@ static int sata_dwc_remove(struct platform_device *ofdev) +@@ -1293,11 +1305,13 @@ static int sata_dwc_remove(struct platfo ata_host_detach(host); @@ -1083,6 +1081,3 @@ index 9020349..00c2af1 100644 dev_dbg(&ofdev->dev, "done\n"); return 0; } --- -2.8.1 - |