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path: root/drivers/ata/ahci.c
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Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r--drivers/ata/ahci.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index b532b3b7339..38e953ee79c 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -420,7 +420,7 @@ static int ahci_fill_sg(struct ahci_uc_priv *uc_priv, u8 port,
static void ahci_fill_cmd_slot(struct ahci_ioports *pp, u32 opts)
{
- phys_addr_t pa = virt_to_phys((void *)pp->cmd_tbl);
+ phys_addr_t pa = virt_to_phys(pp->cmd_tbl);
pp->cmd_slot->opts = cpu_to_le32(opts);
pp->cmd_slot->status = 0;
@@ -449,7 +449,7 @@ static int ahci_port_start(struct ahci_uc_priv *uc_priv, u8 port)
{
struct ahci_ioports *pp = &(uc_priv->port[port]);
void __iomem *port_mmio = pp->port_mmio;
- u64 dma_addr;
+ phys_addr_t dma_addr;
u32 port_status;
void __iomem *mem;
@@ -472,34 +472,32 @@ static int ahci_port_start(struct ahci_uc_priv *uc_priv, u8 port)
* First item in chunk of DMA memory: 32-slot command table,
* 32 bytes each in size
*/
- pp->cmd_slot =
- (struct ahci_cmd_hdr *)(uintptr_t)virt_to_phys((void *)mem);
- debug("cmd_slot = %p\n", pp->cmd_slot);
- mem += (AHCI_CMD_SLOT_SZ + 224);
+ pp->cmd_slot = (struct ahci_cmd_hdr *)mem;
+ mem += AHCI_CMD_SLOT_SZ * AHCI_MAX_CMD_SLOT;
/*
* Second item: Received-FIS area
*/
- pp->rx_fis = virt_to_phys((void *)mem);
+ pp->rx_fis = mem;
mem += AHCI_RX_FIS_SZ;
/*
* Third item: data area for storing a single command
* and its scatter-gather table
*/
- pp->cmd_tbl = virt_to_phys((void *)mem);
- debug("cmd_tbl_dma = %lx\n", pp->cmd_tbl);
+ pp->cmd_tbl = mem;
mem += AHCI_CMD_TBL_HDR;
- pp->cmd_tbl_sg =
- (struct ahci_sg *)(uintptr_t)virt_to_phys((void *)mem);
-
- dma_addr = (ulong)pp->cmd_slot;
- writel_with_flush(dma_addr, port_mmio + PORT_LST_ADDR);
- writel_with_flush(dma_addr >> 32, port_mmio + PORT_LST_ADDR_HI);
- dma_addr = (ulong)pp->rx_fis;
- writel_with_flush(dma_addr, port_mmio + PORT_FIS_ADDR);
- writel_with_flush(dma_addr >> 32, port_mmio + PORT_FIS_ADDR_HI);
+ pp->cmd_tbl_sg = (struct ahci_sg *)(mem);
+
+ dma_addr = virt_to_phys(pp->cmd_slot);
+ debug("cmd_slot_dma = 0x%08llx\n", (u64)dma_addr);
+ writel_with_flush(lower_32_bits(dma_addr), port_mmio + PORT_LST_ADDR);
+ writel_with_flush(upper_32_bits(dma_addr), port_mmio + PORT_LST_ADDR_HI);
+ dma_addr = virt_to_phys(pp->rx_fis);
+ debug("rx_fis_dma = 0x%08llx\n", (u64)dma_addr);
+ writel_with_flush(lower_32_bits(dma_addr), port_mmio + PORT_FIS_ADDR);
+ writel_with_flush(upper_32_bits(dma_addr), port_mmio + PORT_FIS_ADDR_HI);
#ifdef CONFIG_SUNXI_AHCI
sunxi_dma_init(port_mmio);