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dwc_ahsata: Allow use with dcache enabled

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Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
This commit is contained in:
Eric Nelson 2013-06-15 16:09:55 -07:00 committed by Stefano Babic
parent 9a30903b44
commit 2dbe64ca24
1 changed files with 25 additions and 9 deletions
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34
drivers/block/dwc_ahsata.c
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@ -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;