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path: root/drivers/mmc/fsl_esdhc_imx.c
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Diffstat (limited to 'drivers/mmc/fsl_esdhc_imx.c')
-rw-r--r--drivers/mmc/fsl_esdhc_imx.c38
1 files changed, 10 insertions, 28 deletions
diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index a4675838e5..465d935daf 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2007, 2010-2011 Freescale Semiconductor, Inc
- * Copyright 2019 NXP Semiconductors
+ * Copyright 2019, 2021 NXP
* Andy Fleming
* Yangbo Lu <yangbo.lu@nxp.com>
*
@@ -653,10 +653,7 @@ static void set_sysctl(struct fsl_esdhc_priv *priv, struct mmc *mmc, uint clock)
clk = (pre_div << 8) | (div << 4);
#ifdef CONFIG_FSL_USDHC
- esdhc_clrbits32(&regs->vendorspec, VENDORSPEC_FRC_SDCLK_ON);
- ret = readx_poll_timeout(esdhc_read32, &regs->prsstat, tmp, tmp & PRSSTAT_SDOFF, 100);
- if (ret)
- pr_warn("fsl_esdhc_imx: Internal clock never gate off.\n");
+ esdhc_clrbits32(&regs->vendorspec, VENDORSPEC_CKEN);
#else
esdhc_clrbits32(&regs->sysctl, SYSCTL_CKEN);
#endif
@@ -668,7 +665,7 @@ static void set_sysctl(struct fsl_esdhc_priv *priv, struct mmc *mmc, uint clock)
pr_warn("fsl_esdhc_imx: Internal clock never stabilised.\n");
#ifdef CONFIG_FSL_USDHC
- esdhc_setbits32(&regs->vendorspec, VENDORSPEC_FRC_SDCLK_ON);
+ esdhc_setbits32(&regs->vendorspec, VENDORSPEC_PEREN | VENDORSPEC_CKEN);
#else
esdhc_setbits32(&regs->sysctl, SYSCTL_PEREN | SYSCTL_CKEN);
#endif
@@ -723,14 +720,8 @@ static void esdhc_set_strobe_dll(struct mmc *mmc)
struct fsl_esdhc_priv *priv = dev_get_priv(mmc->dev);
struct fsl_esdhc *regs = priv->esdhc_regs;
u32 val;
- u32 tmp;
- int ret;
if (priv->clock > ESDHC_STROBE_DLL_CLK_FREQ) {
- esdhc_clrbits32(&regs->vendorspec, VENDORSPEC_FRC_SDCLK_ON);
- ret = readx_poll_timeout(esdhc_read32, &regs->prsstat, tmp, tmp & PRSSTAT_SDOFF, 100);
- if (ret)
- pr_warn("fsl_esdhc_imx: Internal clock never gate off.\n");
esdhc_write32(&regs->strobe_dllctrl, ESDHC_STROBE_DLL_CTRL_RESET);
/*
@@ -748,7 +739,6 @@ static void esdhc_set_strobe_dll(struct mmc *mmc)
pr_warn("HS400 strobe DLL status REF not lock!\n");
if (!(val & ESDHC_STROBE_DLL_STS_SLV_LOCK))
pr_warn("HS400 strobe DLL status SLV not lock!\n");
- esdhc_setbits32(&regs->vendorspec, VENDORSPEC_FRC_SDCLK_ON);
}
}
@@ -865,7 +855,7 @@ static void esdhc_stop_tuning(struct mmc *mmc)
cmd.cmdarg = 0;
cmd.resp_type = MMC_RSP_R1b;
- dm_mmc_send_cmd(mmc->dev, &cmd, NULL);
+ mmc_send_cmd(mmc, &cmd, NULL);
}
static int fsl_esdhc_execute_tuning(struct udevice *dev, uint32_t opcode)
@@ -980,18 +970,14 @@ static int esdhc_set_ios_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
#ifdef MMC_SUPPORTS_TUNING
if (mmc->clk_disable) {
#ifdef CONFIG_FSL_USDHC
- u32 tmp;
-
- esdhc_clrbits32(&regs->vendorspec, VENDORSPEC_FRC_SDCLK_ON);
- ret = readx_poll_timeout(esdhc_read32, &regs->prsstat, tmp, tmp & PRSSTAT_SDOFF, 100);
- if (ret)
- pr_warn("fsl_esdhc_imx: Internal clock never gate off.\n");
+ esdhc_clrbits32(&regs->vendorspec, VENDORSPEC_CKEN);
#else
esdhc_clrbits32(&regs->sysctl, SYSCTL_CKEN);
#endif
} else {
#ifdef CONFIG_FSL_USDHC
- esdhc_setbits32(&regs->vendorspec, VENDORSPEC_FRC_SDCLK_ON);
+ esdhc_setbits32(&regs->vendorspec, VENDORSPEC_PEREN |
+ VENDORSPEC_CKEN);
#else
esdhc_setbits32(&regs->sysctl, SYSCTL_PEREN | SYSCTL_CKEN);
#endif
@@ -1067,7 +1053,7 @@ static int esdhc_init_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
#ifndef CONFIG_FSL_USDHC
esdhc_setbits32(&regs->sysctl, SYSCTL_HCKEN | SYSCTL_IPGEN);
#else
- esdhc_setbits32(&regs->vendorspec, VENDORSPEC_FRC_SDCLK_ON);
+ esdhc_setbits32(&regs->vendorspec, VENDORSPEC_HCKEN | VENDORSPEC_IPGEN);
#endif
/* Set the initial clock speed */
@@ -1205,7 +1191,8 @@ static int fsl_esdhc_init(struct fsl_esdhc_priv *priv,
esdhc_write32(&regs->autoc12err, 0);
esdhc_write32(&regs->clktunectrlstatus, 0);
#else
- esdhc_setbits32(&regs->vendorspec, VENDORSPEC_FRC_SDCLK_ON);
+ esdhc_setbits32(&regs->vendorspec, VENDORSPEC_PEREN |
+ VENDORSPEC_HCKEN | VENDORSPEC_IPGEN | VENDORSPEC_CKEN);
#endif
if (priv->vs18_enable)
@@ -1234,11 +1221,6 @@ static int fsl_esdhc_init(struct fsl_esdhc_priv *priv,
ESDHC_HOSTCAPBLT_VS18 | ESDHC_HOSTCAPBLT_VS30);
#endif
-/* T4240 host controller capabilities register should have VS33 bit */
-#ifdef CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
- caps = caps | ESDHC_HOSTCAPBLT_VS33;
-#endif
-
if (caps & ESDHC_HOSTCAPBLT_VS18)
voltage_caps |= MMC_VDD_165_195;
if (caps & ESDHC_HOSTCAPBLT_VS30)