* This driver provides a SCSI interface to SATA.
*/
#include <common.h>
+#include <blk.h>
+#include <cpu_func.h>
+#include <log.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
#include <command.h>
#include <dm.h>
#define WAIT_MS_FLUSH 5000
#define WAIT_MS_LINKUP 200
+#define AHCI_CAP_S64A BIT(31)
+
__weak void __iomem *ahci_port_base(void __iomem *base, u32 port)
{
return base + 0x100 + (port * 0x80);
}
for (i = 0; i < sg_count; i++) {
- ahci_sg->addr =
- cpu_to_le32((unsigned long) buf + i * MAX_DATA_BYTE_COUNT);
- ahci_sg->addr_hi = 0;
+ /* We assume virt=phys */
+ phys_addr_t pa = (unsigned long)buf + i * MAX_DATA_BYTE_COUNT;
+
+ ahci_sg->addr = cpu_to_le32(lower_32_bits(pa));
+ ahci_sg->addr_hi = cpu_to_le32(upper_32_bits(pa));
+ if (ahci_sg->addr_hi && !(uc_priv->cap & AHCI_CAP_S64A)) {
+ printf("Error: DMA address too high\n");
+ return -1;
+ }
ahci_sg->flags_size = cpu_to_le32(0x3fffff &
(buf_len < MAX_DATA_BYTE_COUNT
? (buf_len - 1)
{
struct ahci_ioports *pp = &(uc_priv->port[port]);
void __iomem *port_mmio = pp->port_mmio;
+ u64 dma_addr;
u32 port_status;
void __iomem *mem;
pp->cmd_tbl_sg =
(struct ahci_sg *)(uintptr_t)virt_to_phys((void *)mem);
- writel_with_flush((unsigned long)pp->cmd_slot,
- port_mmio + PORT_LST_ADDR);
-
- writel_with_flush(pp->rx_fis, port_mmio + PORT_FIS_ADDR);
+ 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);
#ifdef CONFIG_SUNXI_AHCI
sunxi_dma_init(port_mmio);
if (ret)
return ret;
+ /*
+ * scsi_scan_dev() scans devices up-to the number of max_id.
+ * Update max_id if the number of detected ports exceeds max_id.
+ * This allows SCSI to scan all detected ports.
+ */
+ uc_plat->max_id = max_t(unsigned long, uc_priv->n_ports,
+ uc_plat->max_id);
+
return 0;
}