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arm: socfpga: fix up a questionable macro for SDMMC

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Move the macro into the socfpga_dwmci_clksel().

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Marek Vasut <marex@denx.de>
[fix parenthesis in the sdmmc_mask]
This commit is contained in:
Dinh Nguyen 2015-12-02 13:31:33 -06:00 committed by Marek Vasut
parent e5ad7d9889
commit a1684b6105
2 changed files with 10 additions and 5 deletions
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10
arch/arm/mach-socfpga/include/mach/system_manager.h
View File

@ -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

5
drivers/mmc/socfpga_dw_mmc.c
View File

@ -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));