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authorYangbo Lu2019-12-19 18:59:25 +0800
committerPeng Fan2020-01-16 13:16:23 +0800
commit6982315adffa80f66091dd417086e97bfb6a013d (patch)
tree6a1f7a8b1f2adeb3fcbb7b2236352d613b4464e9 /drivers
parent9d5d74c3ccdc78bac969d25e98eab96872e33b5c (diff)
mmc: fsl_esdhc_imx: drop QorIQ eSDHC specific peripheral clock code
Drop QorIQ eSDHC specific peripheral clock code. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/fsl_esdhc_imx.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index 96fe01e26d2..462ad2878a2 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -661,35 +661,6 @@ static void set_sysctl(struct fsl_esdhc_priv *priv, struct mmc *mmc, uint clock)
priv->clock = clock;
}
-#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
-static void esdhc_clock_control(struct fsl_esdhc_priv *priv, bool enable)
-{
- struct fsl_esdhc *regs = priv->esdhc_regs;
- u32 value;
- u32 time_out;
-
- value = esdhc_read32(&regs->sysctl);
-
- if (enable)
- value |= SYSCTL_CKEN;
- else
- value &= ~SYSCTL_CKEN;
-
- esdhc_write32(&regs->sysctl, value);
-
- time_out = 20;
- value = PRSSTAT_SDSTB;
- while (!(esdhc_read32(&regs->prsstat) & value)) {
- if (time_out == 0) {
- printf("fsl_esdhc: Internal clock never stabilised.\n");
- break;
- }
- time_out--;
- mdelay(1);
- }
-}
-#endif
-
#ifdef MMC_SUPPORTS_TUNING
static int esdhc_change_pinstate(struct udevice *dev)
{
@@ -961,12 +932,6 @@ static int esdhc_set_ios_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
int ret __maybe_unused;
u32 clock;
-#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
- /* Select to use peripheral clock */
- esdhc_clock_control(priv, false);
- esdhc_setbits32(&regs->scr, ESDHCCTL_PCS);
- esdhc_clock_control(priv, true);
-#endif
/* Set the clock speed */
clock = mmc->clock;
if (clock < mmc->cfg->f_min)
@@ -1394,13 +1359,8 @@ void fdt_fixup_esdhc(void *blob, bd_t *bd)
if (esdhc_status_fixup(blob, compat))
return;
-#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
- do_fixup_by_compat_u32(blob, compat, "peripheral-frequency",
- gd->arch.sdhc_clk, 1);
-#else
do_fixup_by_compat_u32(blob, compat, "clock-frequency",
gd->arch.sdhc_clk, 1);
-#endif
}
#endif