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-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c34
1 files changed, 30 insertions, 4 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 1ec35cc45fc5..98b91b6ff2a9 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -166,6 +166,18 @@
#define ESDHC_FLAG_STATE_LOST_IN_LPMODE BIT(14)
/* The IP lost clock rate in PM_RUNTIME */
#define ESDHC_FLAG_CLK_RATE_LOST_IN_PM_RUNTIME BIT(15)
+/*
+ * The IP do not support the ACMD23 feature completely when use ADMA mode.
+ * In ADMA mode, it only use the 16 bit block count of the register 0x4
+ * (BLOCK_ATT) as the CMD23's argument for ACMD23 mode, which means it will
+ * ignore the upper 16 bit of the CMD23's argument. This will block the reliable
+ * write operation in RPMB, because RPMB reliable write need to set the bit31
+ * of the CMD23's argument.
+ * imx6qpdl/imx6sx/imx6sl/imx7d has this limitation only for ADMA mode, SDMA
+ * do not has this limitation. so when these SoC use ADMA mode, it need to
+ * disable the ACMD23 feature.
+ */
+#define ESDHC_FLAG_BROKEN_AUTO_CMD23 BIT(16)
struct esdhc_soc_data {
u32 flags;
@@ -188,21 +200,30 @@ static const struct esdhc_soc_data esdhc_imx53_data = {
};
static const struct esdhc_soc_data usdhc_imx6q_data = {
- .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_MAN_TUNING,
+ .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_MAN_TUNING
+ | ESDHC_FLAG_BROKEN_AUTO_CMD23,
};
static const struct esdhc_soc_data usdhc_imx6sl_data = {
.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_ERR004536
- | ESDHC_FLAG_HS200,
+ | ESDHC_FLAG_HS200
+ | ESDHC_FLAG_BROKEN_AUTO_CMD23,
};
-static const struct esdhc_soc_data usdhc_imx6sx_data = {
+static const struct esdhc_soc_data usdhc_imx6sll_data = {
.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
| ESDHC_FLAG_STATE_LOST_IN_LPMODE,
};
+static const struct esdhc_soc_data usdhc_imx6sx_data = {
+ .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
+ | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
+ | ESDHC_FLAG_STATE_LOST_IN_LPMODE
+ | ESDHC_FLAG_BROKEN_AUTO_CMD23,
+};
+
static const struct esdhc_soc_data usdhc_imx6ull_data = {
.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
@@ -214,7 +235,8 @@ static const struct esdhc_soc_data usdhc_imx7d_data = {
.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
| ESDHC_FLAG_HS400
- | ESDHC_FLAG_STATE_LOST_IN_LPMODE,
+ | ESDHC_FLAG_STATE_LOST_IN_LPMODE
+ | ESDHC_FLAG_BROKEN_AUTO_CMD23,
};
static struct esdhc_soc_data usdhc_imx7ulp_data = {
@@ -276,6 +298,7 @@ static const struct of_device_id imx_esdhc_dt_ids[] = {
{ .compatible = "fsl,imx53-esdhc", .data = &esdhc_imx53_data, },
{ .compatible = "fsl,imx6sx-usdhc", .data = &usdhc_imx6sx_data, },
{ .compatible = "fsl,imx6sl-usdhc", .data = &usdhc_imx6sl_data, },
+ { .compatible = "fsl,imx6sll-usdhc", .data = &usdhc_imx6sll_data, },
{ .compatible = "fsl,imx6q-usdhc", .data = &usdhc_imx6q_data, },
{ .compatible = "fsl,imx6ull-usdhc", .data = &usdhc_imx6ull_data, },
{ .compatible = "fsl,imx7d-usdhc", .data = &usdhc_imx7d_data, },
@@ -1560,6 +1583,9 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
if (imx_data->socdata->flags & ESDHC_FLAG_HS400)
host->quirks2 |= SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400;
+ if (imx_data->socdata->flags & ESDHC_FLAG_BROKEN_AUTO_CMD23)
+ host->quirks2 |= SDHCI_QUIRK2_ACMD23_BROKEN;
+
if (imx_data->socdata->flags & ESDHC_FLAG_HS400_ES) {
host->mmc->caps2 |= MMC_CAP2_HS400_ES;
host->mmc_host_ops.hs400_enhanced_strobe =