tree-wide: fix assorted typos all over the place
[linux-2.6.git] / arch / arm / mach-s3c6410 / setup-sdhci.c
1 /* linux/arch/arm/mach-s3c6410/setup-sdhci.c
2  *
3  * Copyright 2008 Simtec Electronics
4  * Copyright 2008 Simtec Electronics
5  *      Ben Dooks <ben@simtec.co.uk>
6  *      http://armlinux.simtec.co.uk/
7  *
8  * S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC)
9  *
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.
13 */
14
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>
20
21 #include <linux/mmc/card.h>
22 #include <linux/mmc/host.h>
23
24 #include <plat/regs-sdhci.h>
25 #include <plat/sdhci.h>
26
27 /* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
28
29 char *s3c6410_hsmmc_clksrcs[4] = {
30         [0] = "hsmmc",
31         [1] = "hsmmc",
32         [2] = "mmc_bus",
33         /* [3] = "48m", - note not successfully used yet */
34 };
35
36
37 void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
38                                     void __iomem *r,
39                                     struct mmc_ios *ios,
40                                     struct mmc_card *card)
41 {
42         u32 ctrl2, ctrl3;
43
44         /* don't need to alter anything acording to card-type */
45
46         writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
47
48         ctrl2 = readl(r + S3C_SDHCI_CONTROL2);
49         ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
50         ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
51                   S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
52                   S3C_SDHCI_CTRL2_ENFBCLKRX |
53                   S3C_SDHCI_CTRL2_DFCNT_NONE |
54                   S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
55
56         if (ios->clock < 25 * 1000000)
57                 ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
58                          S3C_SDHCI_CTRL3_FCSEL2 |
59                          S3C_SDHCI_CTRL3_FCSEL1 |
60                          S3C_SDHCI_CTRL3_FCSEL0);
61         else
62                 ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
63
64         printk(KERN_INFO "%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3);
65         writel(ctrl2, r + S3C_SDHCI_CONTROL2);
66         writel(ctrl3, r + S3C_SDHCI_CONTROL3);
67 }
68