[U-Boot] [PATCH 4/6] ARM: imx: novena: Convert block devices to DM

Marek Vasut marex at denx.de
Sun May 5 23:13:34 UTC 2019


Enable DM block, DM MMC and DM SATA support on iMX6Q Novena
convert board code to match the DM support.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Fabio Estevam <fabio.estevam at nxp.com>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Vagrant Cascadian <vagrant at debian.org>
---
 arch/arm/dts/imx6q-novena.dts |   5 ++
 board/kosagi/novena/novena.c  | 107 +++++++++++++++++-----------------
 configs/novena_defconfig      |   3 +
 include/configs/novena.h      |   5 --
 4 files changed, 61 insertions(+), 59 deletions(-)

diff --git a/arch/arm/dts/imx6q-novena.dts b/arch/arm/dts/imx6q-novena.dts
index 61347a545d..35383c9a2b 100644
--- a/arch/arm/dts/imx6q-novena.dts
+++ b/arch/arm/dts/imx6q-novena.dts
@@ -61,6 +61,11 @@
 		reg = <0x10000000 0>;
 	};
 
+	aliases {
+		mmc0 = &usdhc3;
+		mmc1 = &usdhc2;
+	};
+
 	chosen {
 		stdout-path = &uart2;
 	};
diff --git a/board/kosagi/novena/novena.c b/board/kosagi/novena/novena.c
index 0750c4667e..4b31e2961c 100644
--- a/board/kosagi/novena/novena.c
+++ b/board/kosagi/novena/novena.c
@@ -6,6 +6,9 @@
  */
 
 #include <common.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <ahci.h>
 #include <linux/errno.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
@@ -20,6 +23,7 @@
 #include <asm/mach-imx/mxc_i2c.h>
 #include <asm/mach-imx/sata.h>
 #include <asm/mach-imx/video.h>
+#include <dwc_ahsata.h>
 #include <environment.h>
 #include <fsl_esdhc.h>
 #include <i2c.h>
@@ -101,60 +105,6 @@ int drv_keyboard_init(void)
 }
 #endif
 
-/*
- * SDHC
- */
-#ifdef CONFIG_FSL_ESDHC
-static struct fsl_esdhc_cfg usdhc_cfg[] = {
-	{ USDHC3_BASE_ADDR, 0, 4 },	/* Micro SD */
-	{ USDHC2_BASE_ADDR, 0, 4 },	/* Big SD */
-};
-
-int board_mmc_getcd(struct mmc *mmc)
-{
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
-
-	/* There is no CD for a microSD card, assume always present. */
-	if (cfg->esdhc_base == USDHC3_BASE_ADDR)
-		return 1;
-	else
-		return !gpio_get_value(NOVENA_SD_CD);
-}
-
-int board_mmc_getwp(struct mmc *mmc)
-{
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
-
-	/* There is no WP for a microSD card, assume always read-write. */
-	if (cfg->esdhc_base == USDHC3_BASE_ADDR)
-		return 0;
-	else
-		return gpio_get_value(NOVENA_SD_WP);
-}
-
-
-int board_mmc_init(bd_t *bis)
-{
-	s32 status = 0;
-	int index;
-
-	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
-	usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
-
-	/* Big SD write-protect and card-detect */
-	gpio_direction_input(NOVENA_SD_WP);
-	gpio_direction_input(NOVENA_SD_CD);
-
-	for (index = 0; index < ARRAY_SIZE(usdhc_cfg); index++) {
-		status = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
-		if (status)
-			return status;
-	}
-
-	return status;
-}
-#endif
-
 int board_early_init_f(void)
 {
 #if defined(CONFIG_VIDEO_IPUV3)
@@ -270,3 +220,52 @@ int misc_init_r(void)
 
 	return ret;
 }
+
+#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 */
diff --git a/configs/novena_defconfig b/configs/novena_defconfig
index c74f635121..fa5fdea278 100644
--- a/configs/novena_defconfig
+++ b/configs/novena_defconfig
@@ -13,6 +13,7 @@ CONFIG_SPL=y
 CONFIG_SPL_FS_FAT=y
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_CMD_HDMIDETECT=y
+CONFIG_AHCI=y
 CONFIG_DISTRO_DEFAULTS=y
 # CONFIG_SYS_MALLOC_F is not set
 CONFIG_FIT=y
@@ -48,6 +49,7 @@ CONFIG_ENV_IS_IN_MMC=y
 CONFIG_DM=y
 CONFIG_DWC_AHSATA=y
 CONFIG_DM_GPIO=y
+CONFIG_DM_MMC=y
 CONFIG_FSL_ESDHC=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
@@ -56,6 +58,7 @@ CONFIG_MII=y
 CONFIG_PCI=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_IMX6=y
+CONFIG_DM_SCSI=y
 CONFIG_USB=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP=y
diff --git a/include/configs/novena.h b/include/configs/novena.h
index bb5bf808c2..bc7383e957 100644
--- a/include/configs/novena.h
+++ b/include/configs/novena.h
@@ -102,12 +102,7 @@
 #define CONFIG_POWER_PFUZE100_I2C_ADDR	0x08
 
 /* SATA Configs */
-#ifdef CONFIG_CMD_SATA
-#define CONFIG_SYS_SATA_MAX_DEVICE	1
-#define CONFIG_DWC_AHSATA_PORT_ID	0
-#define CONFIG_DWC_AHSATA_BASE_ADDR	SATA_ARB_BASE_ADDR
 #define CONFIG_LBA48
-#endif
 
 /* UART */
 #define CONFIG_MXC_UART
-- 
2.20.1



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