github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-08 22:52:35 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

mmc: sdhci-of-dwcmshc: Fix HS400 and HS400es support

Browse Source 
Change-Id: I5e9e227e22e72730322ee6bf4441f0f224d55ece
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
This commit is contained in:
Shawn Lin 2020-11-09 15:43:14 +08:00 committed by Tao Huang
parent 4377dfe8a3
commit e39465bb00
1 changed files with 5 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/mmc/host/sdhci-of-dwcmshc.c
View File

@ -37,9 +37,10 @@
#define DWCMSHC_EMMC_DLL_START_POINT 16
#define DWCMSHC_EMMC_DLL_INC 8
#define DWCMSHC_EMMC_DLL_DLYENA BIT(27)
#define DLL_RXCLK_TAPNUM_DEFAULT 0x3
#define DLL_STRBIN_TAPNUM_DEFAULT 0x3
#define DLL_RXCLK_TAPNUM_DEFAULT 0x8
#define DLL_STRBIN_TAPNUM_DEFAULT 0x8
#define DLL_RXCLK_TAPNUM_FROM_SW BIT(24)
#define DLL_STRBIN_TAPNUM_FROM_SW BIT(24)
#define DWCMSHC_EMMC_DLL_LOCKED BIT(8)
#define DWCMSHC_EMMC_DLL_TIMEOUT BIT(9)
#define DLL_RXCLK_NO_INVERTER 1
@ -165,17 +166,14 @@ static void dwcmshc_rk_set_clock(struct sdhci_host *host, unsigned int clock)
return;
}
extra = DWCMSHC_EMMC_DLL_DLYENA |
DLL_RXCLK_NO_INVERTER << DWCMSHC_EMMC_DLL_RXCLK_SRCSEL;
sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_RXCLK);
extra = DWCMSHC_EMMC_DLL_DLYENA |
DLL_RXCLK_TAPNUM_DEFAULT |
DLL_RXCLK_TAPNUM_FROM_SW;
sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_TXCLK);
extra = DWCMSHC_EMMC_DLL_DLYENA |
DLL_STRBIN_TAPNUM_DEFAULT;
DLL_STRBIN_TAPNUM_DEFAULT |
DLL_STRBIN_TAPNUM_FROM_SW;
sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_STRBIN);
}