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mmc: sdhci-of-dwcmshc: support HS400ES for RK3568

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Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
Change-Id: I0491bcb3def6e1f5975a94b8e8921027a9d6e271
This commit is contained in:
Yifeng Zhao
2023-06-27 11:14:19 +08:00
committed by Tao Huang
parent 79f0bdb4fc
commit 4fa16359d6
1 changed files with 12 additions and 10 deletions
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drivers/mmc/host/sdhci-of-dwcmshc.c
+12 -10
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@@ -335,17 +335,19 @@ static void dwcmshc_rk3568_set_clock(struct sdhci_host *host, unsigned int clock
sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_RXCLK);
txclk_tapnum = drv_data->hs200_tx_tap;
if ((drv_data->flags & RK_DLL_CMD_OUT) &&
host->mmc->ios.timing == MMC_TIMING_MMC_HS400) {
if (host->mmc->ios.timing == MMC_TIMING_MMC_HS400) {
txclk_tapnum = drv_data->hs400_tx_tap;
extra = DLL_CMDOUT_SRC_CLK_NEG |
DLL_CMDOUT_BOTH_CLK_EDGE |
DWCMSHC_EMMC_DLL_DLYENA |
drv_data->hs400_cmd_tap |
DLL_CMDOUT_TAPNUM_FROM_SW;
if (drv_data->flags & RK_TAP_VALUE_SEL)
extra |= DLL_TAP_VALUE_SEL | dll_lock_value << DLL_TAP_VALUE_OFFSET;
sdhci_writel(host, extra, DECMSHC_EMMC_DLL_CMDOUT);
if (drv_data->flags & RK_DLL_CMD_OUT) {
extra = DLL_CMDOUT_SRC_CLK_NEG |
DLL_CMDOUT_BOTH_CLK_EDGE |
DWCMSHC_EMMC_DLL_DLYENA |
drv_data->hs400_cmd_tap |
DLL_CMDOUT_TAPNUM_FROM_SW;
if (drv_data->flags & RK_TAP_VALUE_SEL)
extra |= DLL_TAP_VALUE_SEL | dll_lock_value << DLL_TAP_VALUE_OFFSET;
sdhci_writel(host, extra, DECMSHC_EMMC_DLL_CMDOUT);
}
}
extra = DWCMSHC_EMMC_DLL_DLYENA |
DLL_TXCLK_TAPNUM_FROM_SW |