diff options
| author | Eric Nelson <eric.nelson@boundarydevices.com> | 2013-06-15 16:09:55 -0700 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-06-26 16:26:45 +0200 |
| commit | 2dbe64ca249fabab2195a30056a0bd645a4a9152 (patch) | |
| tree | 8158f7811e6343a4ebe06da4e6416acf7a190e42 | |
| parent | 9a30903b44a63861de93d5beaaf4c91173bbac0c (diff) | |
| download | u-boot-imx-2dbe64ca249fabab2195a30056a0bd645a4a9152.zip u-boot-imx-2dbe64ca249fabab2195a30056a0bd645a4a9152.tar.gz u-boot-imx-2dbe64ca249fabab2195a30056a0bd645a4a9152.tar.bz2 | |
dwc_ahsata: Allow use with dcache enabled
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
| -rw-r--r-- | drivers/block/dwc_ahsata.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/drivers/block/dwc_ahsata.c b/drivers/block/dwc_ahsata.c index c9b71f7..98f2c52 100644 --- a/drivers/block/dwc_ahsata.c +++ b/drivers/block/dwc_ahsata.c @@ -447,10 +447,13 @@ static int ahci_exec_ata_cmd(struct ahci_probe_ent *probe_ent, if (buf && buf_len) sg_count = ahci_fill_sg(probe_ent, port, buf, buf_len); opts = (sizeof(struct sata_fis_h2d) >> 2) | (sg_count << 16); - if (is_write) + if (is_write) { opts |= 0x40; + flush_cache((ulong)buf, buf_len); + } ahci_fill_cmd_slot(pp, cmd_slot, opts); + flush_cache((int)(pp->cmd_slot), AHCI_PORT_PRIV_DMA_SZ); writel_with_flush(1 << cmd_slot, &(port_mmio->ci)); if (waiting_for_cmd_completed((u8 *)&(port_mmio->ci), @@ -458,8 +461,12 @@ static int ahci_exec_ata_cmd(struct ahci_probe_ent *probe_ent, printf("timeout exit!\n"); return -1; } + invalidate_dcache_range((int)(pp->cmd_slot), + (int)(pp->cmd_slot)+AHCI_PORT_PRIV_DMA_SZ); debug("ahci_exec_ata_cmd: %d byte transferred.\n", pp->cmd_slot->status); + if (!is_write) + invalidate_dcache_range((ulong)buf, (ulong)buf+buf_len); return buf_len; } @@ -468,7 +475,8 @@ static void ahci_set_feature(u8 dev, u8 port) { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; memset(cfis, 0, sizeof(struct sata_fis_h2d)); cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; @@ -615,7 +623,8 @@ static void dwc_ahsata_identify(int dev, u16 *id) { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; memset(cfis, 0, sizeof(struct sata_fis_h2d)); @@ -645,7 +654,8 @@ static u32 dwc_ahsata_rw_cmd(int dev, u32 start, u32 blkcnt, { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; u32 block; @@ -675,7 +685,8 @@ void dwc_ahsata_flush_cache(int dev) { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; memset(cfis, 0, sizeof(struct sata_fis_h2d)); @@ -692,7 +703,8 @@ static u32 dwc_ahsata_rw_cmd_ext(int dev, u32 start, lbaint_t blkcnt, { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; u64 block; @@ -728,7 +740,8 @@ u32 dwc_ahsata_rw_ncq_cmd(int dev, u32 start, lbaint_t blkcnt, { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; u64 block; @@ -769,7 +782,8 @@ void dwc_ahsata_flush_cache_ext(int dev) { struct ahci_probe_ent *probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; + struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN); + struct sata_fis_h2d *cfis = &h2d; u8 port = probe_ent->hard_port_no; memset(cfis, 0, sizeof(struct sata_fis_h2d)); @@ -912,7 +926,9 @@ int scan_sata(int dev) u8 port = probe_ent->hard_port_no; block_dev_desc_t *pdev = &(sata_dev_desc[dev]); - id = (u16 *)malloc(ATA_ID_WORDS * 2); + id = (u16 *)memalign(ARCH_DMA_MINALIGN, + roundup(ARCH_DMA_MINALIGN, + (ATA_ID_WORDS * 2))); if (!id) { printf("id malloc failed\n\r"); return -1; |