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authorThomas Abraham <thomas.abraham@linaro.org>2011-09-27 21:59:34 -0400
committerKukjin Kim <kgene.kim@samsung.com>2011-10-04 06:48:40 -0400
commit909ceef6827c579e767f093b422313945f9cba53 (patch)
tree64291c435f008ee965b7655de87948006ada333d /arch/arm/mach-s3c64xx
parent4c59de052e7167a3bcf3f32c5ea4c9a5ef07386a (diff)
ARM: SAMSUNG: remove sdhci default configuration setup platform helper
The sdhci platform helper function that sets up the default controller configuration is removed for all Samsung platforms since such default controller configuration can be handled by the driver. Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s3c64xx')
-rw-r--r--arch/arm/mach-s3c64xx/setup-sdhci.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/arm/mach-s3c64xx/setup-sdhci.c b/arch/arm/mach-s3c64xx/setup-sdhci.c
index f344a222bc84..c75a71b21165 100644
--- a/arch/arm/mach-s3c64xx/setup-sdhci.c
+++ b/arch/arm/mach-s3c64xx/setup-sdhci.c
@@ -12,17 +12,7 @@
12 * published by the Free Software Foundation. 12 * published by the Free Software Foundation.
13*/ 13*/
14 14
15#include <linux/kernel.h>
16#include <linux/types.h> 15#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 16
27/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */ 17/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
28 18
@@ -32,41 +22,3 @@ char *s3c64xx_hsmmc_clksrcs[4] = {
32 [2] = "mmc_bus", 22 [2] = "mmc_bus",
33 /* [3] = "48m", - note not successfully used yet */ 23 /* [3] = "48m", - note not successfully used yet */
34}; 24};
35
36void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
37 void __iomem *r,
38 struct mmc_ios *ios,
39 struct mmc_card *card)
40{
41 u32 ctrl2, ctrl3;
42
43 ctrl2 = 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);
50
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);
58
59 pr_debug("%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3);
60 writel(ctrl2, r + S3C_SDHCI_CONTROL2);
61 writel(ctrl3, r + S3C_SDHCI_CONTROL3);
62}
63
64void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev,
65 void __iomem *r,
66 struct mmc_ios *ios,
67 struct mmc_card *card)
68{
69 writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
70
71 s3c6400_setup_sdhci_cfg_card(dev, r, ios, card);
72}