diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 09:31:43 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 09:31:43 -0400 |
commit | 0a95d92c0054e74fb79607ac2df958b7bf295706 (patch) | |
tree | e2c5f836e799dcfd72904949be47595af91432e7 /drivers/ata | |
parent | 08351fc6a75731226e1112fc7254542bd3a2912e (diff) | |
parent | 831532035b12a5f7b600515a6f4da0b207b82d6e (diff) |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (62 commits)
powerpc/85xx: Fix signedness bug in cache-sram
powerpc/fsl: 85xx: document cache sram bindings
powerpc/fsl: define binding for fsl mpic interrupt controllers
powerpc/fsl_msi: Handle msi-available-ranges better
drivers/serial/ucc_uart.c: Add of_node_put to avoid memory leak
powerpc/85xx: Fix SPE float to integer conversion failure
powerpc/85xx: Update sata controller compatible for p1022ds board
ATA: Add FSL sata v2 controller support
powerpc/mpc8xxx_gpio: simplify searching for 'fsl, qoriq-gpio' compatiable
powerpc/8xx: remove obsolete mgsuvd board
powerpc/82xx: rename and update mgcoge board support
powerpc/83xx: rename and update kmeter1
powerpc/85xx: Workaroudn e500 CPU erratum A005
powerpc/fsl_pci: Add support for FSL PCIe controllers v2.x
powerpc/85xx: Fix writing to spin table 'cpu-release-addr' on ppc64e
powerpc/pseries: Disable MSI using new interface if possible
powerpc: Enable GENERIC_HARDIRQS_NO_DEPRECATED.
powerpc: core irq_data conversion.
powerpc: sysdev/xilinx_intc irq_data conversion.
powerpc: sysdev/uic irq_data conversion.
...
Fix up conflicts in arch/powerpc/sysdev/fsl_msi.c (due to getting rid of
of_platform_driver in arch/powerpc)
Diffstat (limited to 'drivers/ata')
-rw-r--r-- | drivers/ata/sata_fsl.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index ef3ce26bb1f0..0f91e583892e 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c | |||
@@ -6,7 +6,7 @@ | |||
6 | * Author: Ashish Kalra <ashish.kalra@freescale.com> | 6 | * Author: Ashish Kalra <ashish.kalra@freescale.com> |
7 | * Li Yang <leoli@freescale.com> | 7 | * Li Yang <leoli@freescale.com> |
8 | * | 8 | * |
9 | * Copyright (c) 2006-2007 Freescale Semiconductor, Inc. | 9 | * Copyright (c) 2006-2007, 2011 Freescale Semiconductor, Inc. |
10 | * | 10 | * |
11 | * This program is free software; you can redistribute it and/or modify it | 11 | * This program is free software; you can redistribute it and/or modify it |
12 | * under the terms of the GNU General Public License as published by the | 12 | * under the terms of the GNU General Public License as published by the |
@@ -157,7 +157,8 @@ enum { | |||
157 | IE_ON_SINGL_DEVICE_ERR | IE_ON_CMD_COMPLETE, | 157 | IE_ON_SINGL_DEVICE_ERR | IE_ON_CMD_COMPLETE, |
158 | 158 | ||
159 | EXT_INDIRECT_SEG_PRD_FLAG = (1 << 31), | 159 | EXT_INDIRECT_SEG_PRD_FLAG = (1 << 31), |
160 | DATA_SNOOP_ENABLE = (1 << 22), | 160 | DATA_SNOOP_ENABLE_V1 = (1 << 22), |
161 | DATA_SNOOP_ENABLE_V2 = (1 << 28), | ||
161 | }; | 162 | }; |
162 | 163 | ||
163 | /* | 164 | /* |
@@ -260,6 +261,7 @@ struct sata_fsl_host_priv { | |||
260 | void __iomem *ssr_base; | 261 | void __iomem *ssr_base; |
261 | void __iomem *csr_base; | 262 | void __iomem *csr_base; |
262 | int irq; | 263 | int irq; |
264 | int data_snoop; | ||
263 | }; | 265 | }; |
264 | 266 | ||
265 | static inline unsigned int sata_fsl_tag(unsigned int tag, | 267 | static inline unsigned int sata_fsl_tag(unsigned int tag, |
@@ -312,7 +314,8 @@ static void sata_fsl_setup_cmd_hdr_entry(struct sata_fsl_port_priv *pp, | |||
312 | } | 314 | } |
313 | 315 | ||
314 | static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, | 316 | static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, |
315 | u32 *ttl, dma_addr_t cmd_desc_paddr) | 317 | u32 *ttl, dma_addr_t cmd_desc_paddr, |
318 | int data_snoop) | ||
316 | { | 319 | { |
317 | struct scatterlist *sg; | 320 | struct scatterlist *sg; |
318 | unsigned int num_prde = 0; | 321 | unsigned int num_prde = 0; |
@@ -362,8 +365,7 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, | |||
362 | 365 | ||
363 | ttl_dwords += sg_len; | 366 | ttl_dwords += sg_len; |
364 | prd->dba = cpu_to_le32(sg_addr); | 367 | prd->dba = cpu_to_le32(sg_addr); |
365 | prd->ddc_and_ext = | 368 | prd->ddc_and_ext = cpu_to_le32(data_snoop | (sg_len & ~0x03)); |
366 | cpu_to_le32(DATA_SNOOP_ENABLE | (sg_len & ~0x03)); | ||
367 | 369 | ||
368 | VPRINTK("sg_fill, ttl=%d, dba=0x%x, ddc=0x%x\n", | 370 | VPRINTK("sg_fill, ttl=%d, dba=0x%x, ddc=0x%x\n", |
369 | ttl_dwords, prd->dba, prd->ddc_and_ext); | 371 | ttl_dwords, prd->dba, prd->ddc_and_ext); |
@@ -378,7 +380,7 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, | |||
378 | /* set indirect extension flag along with indirect ext. size */ | 380 | /* set indirect extension flag along with indirect ext. size */ |
379 | prd_ptr_to_indirect_ext->ddc_and_ext = | 381 | prd_ptr_to_indirect_ext->ddc_and_ext = |
380 | cpu_to_le32((EXT_INDIRECT_SEG_PRD_FLAG | | 382 | cpu_to_le32((EXT_INDIRECT_SEG_PRD_FLAG | |
381 | DATA_SNOOP_ENABLE | | 383 | data_snoop | |
382 | (indirect_ext_segment_sz & ~0x03))); | 384 | (indirect_ext_segment_sz & ~0x03))); |
383 | } | 385 | } |
384 | 386 | ||
@@ -421,7 +423,8 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd *qc) | |||
421 | 423 | ||
422 | if (qc->flags & ATA_QCFLAG_DMAMAP) | 424 | if (qc->flags & ATA_QCFLAG_DMAMAP) |
423 | num_prde = sata_fsl_fill_sg(qc, (void *)cd, | 425 | num_prde = sata_fsl_fill_sg(qc, (void *)cd, |
424 | &ttl_dwords, cd_paddr); | 426 | &ttl_dwords, cd_paddr, |
427 | host_priv->data_snoop); | ||
425 | 428 | ||
426 | if (qc->tf.protocol == ATA_PROT_NCQ) | 429 | if (qc->tf.protocol == ATA_PROT_NCQ) |
427 | desc_info |= FPDMA_QUEUED_CMD; | 430 | desc_info |= FPDMA_QUEUED_CMD; |
@@ -1349,6 +1352,11 @@ static int sata_fsl_probe(struct platform_device *ofdev) | |||
1349 | } | 1352 | } |
1350 | host_priv->irq = irq; | 1353 | host_priv->irq = irq; |
1351 | 1354 | ||
1355 | if (of_device_is_compatible(ofdev->dev.of_node, "fsl,pq-sata-v2")) | ||
1356 | host_priv->data_snoop = DATA_SNOOP_ENABLE_V2; | ||
1357 | else | ||
1358 | host_priv->data_snoop = DATA_SNOOP_ENABLE_V1; | ||
1359 | |||
1352 | /* allocate host structure */ | 1360 | /* allocate host structure */ |
1353 | host = ata_host_alloc_pinfo(&ofdev->dev, ppi, SATA_FSL_MAX_PORTS); | 1361 | host = ata_host_alloc_pinfo(&ofdev->dev, ppi, SATA_FSL_MAX_PORTS); |
1354 | 1362 | ||
@@ -1431,6 +1439,9 @@ static struct of_device_id fsl_sata_match[] = { | |||
1431 | { | 1439 | { |
1432 | .compatible = "fsl,pq-sata", | 1440 | .compatible = "fsl,pq-sata", |
1433 | }, | 1441 | }, |
1442 | { | ||
1443 | .compatible = "fsl,pq-sata-v2", | ||
1444 | }, | ||
1434 | {}, | 1445 | {}, |
1435 | }; | 1446 | }; |
1436 | 1447 | ||