From a1684b61054714daae7250e570fe3298f86605b7 Mon Sep 17 00:00:00 2001 From: Dinh Nguyen Date: Wed, 2 Dec 2015 13:31:33 -0600 Subject: arm: socfpga: fix up a questionable macro for SDMMC Move the macro into the socfpga_dwmci_clksel(). Signed-off-by: Dinh Nguyen Signed-off-by: Marek Vasut [fix parenthesis in the sdmmc_mask] --- arch/arm/mach-socfpga/include/mach/system_manager.h | 10 +++++++--- drivers/mmc/socfpga_dw_mmc.c | 5 +++-- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-socfpga/include/mach/system_manager.h b/arch/arm/mach-socfpga/include/mach/system_manager.h index 8712f8e..c45edea 100644 --- a/arch/arm/mach-socfpga/include/mach/system_manager.h +++ b/arch/arm/mach-socfpga/include/mach/system_manager.h @@ -129,9 +129,13 @@ struct socfpga_system_manager { #define SYSMGR_FPGAINTF_NAND (1 << 4) #define SYSMGR_FPGAINTF_SDMMC (1 << 5) -/* FIXME: This is questionable macro. */ -#define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel) \ - ((((drvsel) << 0) & 0x7) | (((smplsel) << 3) & 0x38)) +#if defined(CONFIG_TARGET_SOCFPGA_GEN5) +#define SYSMGR_SDMMC_SMPLSEL_SHIFT 3 +#else +#define SYSMGR_SDMMC_SMPLSEL_SHIFT 4 +#endif + +#define SYSMGR_SDMMC_DRVSEL_SHIFT 0 /* EMAC Group Bit definitions */ #define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII 0x0 diff --git a/drivers/mmc/socfpga_dw_mmc.c b/drivers/mmc/socfpga_dw_mmc.c index 5b0c3a8..43a7e7e 100644 --- a/drivers/mmc/socfpga_dw_mmc.c +++ b/drivers/mmc/socfpga_dw_mmc.c @@ -33,6 +33,8 @@ struct dwmci_socfpga_priv_data { static void socfpga_dwmci_clksel(struct dwmci_host *host) { struct dwmci_socfpga_priv_data *priv = host->priv; + u32 sdmmc_mask = ((priv->smplsel & 0x7) << SYSMGR_SDMMC_SMPLSEL_SHIFT) | + ((priv->drvsel & 0x7) << SYSMGR_SDMMC_DRVSEL_SHIFT); /* Disable SDMMC clock. */ clrbits_le32(&clock_manager_base->per_pll.en, @@ -40,8 +42,7 @@ static void socfpga_dwmci_clksel(struct dwmci_host *host) debug("%s: drvsel %d smplsel %d\n", __func__, priv->drvsel, priv->smplsel); - writel(SYSMGR_SDMMC_CTRL_SET(priv->smplsel, priv->drvsel), - &system_manager_base->sdmmcgrp_ctrl); + writel(sdmmc_mask, &system_manager_base->sdmmcgrp_ctrl); debug("%s: SYSMGR_SDMMCGRP_CTRL_REG = 0x%x\n", __func__, readl(&system_manager_base->sdmmcgrp_ctrl)); -- cgit v1.1