On 12.05.19 02:57, Marek Vasut wrote:
Enable DM SATA support on DHCOM iMX6 PDK2.
Convert board code to match the DM support.
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Fabio Estevam <fabio.este...@nxp.com>
Cc: Ludwig Zenz <lz...@dh-electronics.com>
Cc: Stefano Babic <sba...@denx.de>
---
board/dhelectronics/dh_imx6/dh_imx6.c | 55 +++++++++++++++++++++++++--
configs/dh_imx6_defconfig | 2 +
include/configs/dh_imx6.h | 5 ---
3 files changed, 53 insertions(+), 9 deletions(-)
diff --git a/board/dhelectronics/dh_imx6/dh_imx6.c
b/board/dhelectronics/dh_imx6/dh_imx6.c
index 193bb0eade..2381df84b4 100644
--- a/board/dhelectronics/dh_imx6/dh_imx6.c
+++ b/board/dhelectronics/dh_imx6/dh_imx6.c
@@ -20,6 +20,8 @@
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/mach-imx/sata.h>
+#include <ahci.h>
+#include <dwc_ahsata.h>
#include <environment.h>
#include <errno.h>
#include <fsl_esdhc.h>
@@ -302,10 +304,6 @@ int board_init(void)
}
#endif
-#ifdef CONFIG_SATA
- setup_sata();
-#endif
-
setup_dhcom_mac_from_fuse();
return 0;
@@ -384,3 +382,52 @@ int checkboard(void)
puts("Board: DHCOM i.MX6\n");
return 0;
}
+
+#if CONFIG_IS_ENABLED(AHCI)
+static int sata_imx_probe(struct udevice *dev)
+{
+ int i, err;
+
+ for (i = 0; i < 10; i++) {
+ err = setup_sata();
+ if (err) {
+ printf("SATA setup failed: %d\n", err);
+ return err;
+ }
+
+ udelay(100);
+
+ err = dwc_ahsata_probe(dev);
+ if (!err)
+ break;
+
+ /* There is no device on the SATA port */
+ if (sata_dm_port_status(0, 0) == 0)
+ break;
+
+ /* There's a device, but link not established. Retry */
+ device_remove(dev, DM_REMOVE_NORMAL);
+ }
+
+ return 0;
+}
+
+struct ahci_ops sata_imx_ops = {
+ .port_status = dwc_ahsata_port_status,
+ .reset = dwc_ahsata_bus_reset,
+ .scan = dwc_ahsata_scan,
+};
+
+static const struct udevice_id sata_imx_ids[] = {
+ { .compatible = "fsl,imx6q-ahci" },
+ { }
+};
+
+U_BOOT_DRIVER(sata_imx) = {
+ .name = "dwc_ahci",
+ .id = UCLASS_AHCI,
+ .of_match = sata_imx_ids,
+ .ops = &sata_imx_ops,
+ .probe = sata_imx_probe,
+};
+#endif /* AHCI */
Is this code dh_imx6 specific in any way? If not, then it would be
better placed in drivers/ata, so that other i.MX6 boards might use
it as well. Or am I missing something?
Thanks,
Stefan
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