diff options
| author | Jonas Karlman <jonas@kwiboo.se> | 2025-04-07 22:46:53 +0000 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2025-04-23 22:12:04 +0800 |
| commit | d64144a4671ed96b919d52f0a3834e2a2dd42218 (patch) | |
| tree | ef93a3a15c5fb5954245e8e6f07d006bd4c3e7cc /drivers/mmc | |
| parent | 5ad65cae8658bb365a543ec03fcbd1af5c77002b (diff) | |
mmc: rockchip_sdhci: Extend variant configuration
RK3528 and RK3576 use different tap and delay num for cmdout and strbin.
Move tap and delay num for cmdout and strbin to driver data to prepare
for adding new SoCs.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/rockchip_sdhci.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c index da630b9d97a..4968404bfae 100644 --- a/drivers/mmc/rockchip_sdhci.c +++ b/drivers/mmc/rockchip_sdhci.c @@ -156,6 +156,9 @@ struct sdhci_data { u32 flags; u8 hs200_txclk_tapnum; u8 hs400_txclk_tapnum; + u8 hs400_cmdout_tapnum; + u8 hs400_strbin_tapnum; + u8 ddr50_strbin_delay_num; }; static void rk3399_emmc_phy_power_on(struct rockchip_emmc_phy *phy, u32 clock) @@ -348,7 +351,7 @@ static int rk3568_sdhci_config_dll(struct sdhci_host *host, u32 clock, bool enab extra = DLL_CMDOUT_SRC_CLK_NEG | DLL_CMDOUT_BOTH_CLK_EDGE | DWCMSHC_EMMC_DLL_DLYENA | - DLL_CMDOUT_TAPNUM_90_DEGREES | + data->hs400_cmdout_tapnum | DLL_CMDOUT_TAPNUM_FROM_SW; sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_CMDOUT); } @@ -360,7 +363,7 @@ static int rk3568_sdhci_config_dll(struct sdhci_host *host, u32 clock, bool enab sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_TXCLK); extra = DWCMSHC_EMMC_DLL_DLYENA | - DLL_STRBIN_TAPNUM_DEFAULT | + data->hs400_strbin_tapnum | DLL_STRBIN_TAPNUM_FROM_SW; sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_STRBIN); } else { @@ -380,7 +383,7 @@ static int rk3568_sdhci_config_dll(struct sdhci_host *host, u32 clock, bool enab */ extra = DWCMSHC_EMMC_DLL_DLYENA | DLL_STRBIN_DELAY_NUM_SEL | - DLL_STRBIN_DELAY_NUM_DEFAULT << DLL_STRBIN_DELAY_NUM_OFFSET; + data->ddr50_strbin_delay_num << DLL_STRBIN_DELAY_NUM_OFFSET; sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_STRBIN); } @@ -654,6 +657,9 @@ static const struct sdhci_data rk3568_data = { .flags = FLAG_INVERTER_FLAG_IN_RXCLK, .hs200_txclk_tapnum = DLL_TXCLK_TAPNUM_DEFAULT, .hs400_txclk_tapnum = 0x8, + .hs400_cmdout_tapnum = DLL_CMDOUT_TAPNUM_90_DEGREES, + .hs400_strbin_tapnum = DLL_STRBIN_TAPNUM_DEFAULT, + .ddr50_strbin_delay_num = DLL_STRBIN_DELAY_NUM_DEFAULT, }; static const struct sdhci_data rk3588_data = { @@ -662,6 +668,9 @@ static const struct sdhci_data rk3588_data = { .config_dll = rk3568_sdhci_config_dll, .hs200_txclk_tapnum = DLL_TXCLK_TAPNUM_DEFAULT, .hs400_txclk_tapnum = 0x9, + .hs400_cmdout_tapnum = DLL_CMDOUT_TAPNUM_90_DEGREES, + .hs400_strbin_tapnum = DLL_STRBIN_TAPNUM_DEFAULT, + .ddr50_strbin_delay_num = DLL_STRBIN_DELAY_NUM_DEFAULT, }; static const struct udevice_id sdhci_ids[] = { |