nfsd4: typo logical vs bitwise negate for want_mask
[linux-btrfs-devel.git] / arch / arm / mach-s3c2416 / setup-sdhci.c
blobed34fad8f2c6a4362712ecbb263480c1eb497736
1 /* linux/arch/arm/mach-s3c2416/setup-sdhci.c
3 * Copyright 2010 Promwad Innovation Company
4 * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
6 * S3C2416 - Helper functions for settign up SDHCI device(s) (HSMMC)
8 * Based on mach-s3c64xx/setup-sdhci.c
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/interrupt.h>
18 #include <linux/platform_device.h>
19 #include <linux/io.h>
21 #include <linux/mmc/card.h>
22 #include <linux/mmc/host.h>
24 #include <plat/regs-sdhci.h>
25 #include <plat/sdhci.h>
27 /* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
29 char *s3c2416_hsmmc_clksrcs[4] = {
30 [0] = "hsmmc",
31 [1] = "hsmmc",
32 [2] = "hsmmc-if",
33 /* [3] = "48m", - note not successfully used yet */
36 void s3c2416_setup_sdhci_cfg_card(struct platform_device *dev,
37 void __iomem *r,
38 struct mmc_ios *ios,
39 struct mmc_card *card)
41 u32 ctrl2, ctrl3;
43 ctrl2 = __raw_readl(r + S3C_SDHCI_CONTROL2);
44 ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
45 ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
46 S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
47 S3C_SDHCI_CTRL2_ENFBCLKRX |
48 S3C_SDHCI_CTRL2_DFCNT_NONE |
49 S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
51 if (ios->clock < 25 * 1000000)
52 ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
53 S3C_SDHCI_CTRL3_FCSEL2 |
54 S3C_SDHCI_CTRL3_FCSEL1 |
55 S3C_SDHCI_CTRL3_FCSEL0);
56 else
57 ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
59 __raw_writel(ctrl2, r + S3C_SDHCI_CONTROL2);
60 __raw_writel(ctrl3, r + S3C_SDHCI_CONTROL3);