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ARM: S3C64XX: Squash SDHCI setup into one file 

Squash the SDHCI setup for both the S3C6400 and S3C6410 into one file and
make the S3C6410 case use the S3C6400 code.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2010-01-26 10:38:52 +09:00
parent 97ce9d6938
commit 2f6c2ac1d9
5 changed files with 37 additions and 107 deletions
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17
arch/arm/mach-s3c64xx/Kconfig
View File

@ -19,17 +19,12 @@ config CPU_S3C6410
help
Enable S3C6410 CPU support
config S3C6400_SETUP_SDHCI
bool
help
Internal configuration for default SDHCI
setup for S3C6400.
config S3C6410_SETUP_SDHCI
bool
config S3C64XX_SETUP_SDHCI
select S3C64XX_SETUP_SDHCI_GPIO
bool
help
Internal helper functions for S3C6410 based SDHCI systems
Internal configuration for default SDHCI setup for S3C6400 and
S3C6410 SoCs.
# S36400 Macchine support
@ -38,7 +33,7 @@ config MACH_SMDK6400
select CPU_S3C6400
select S3C_DEV_HSMMC
select S3C_DEV_NAND
select S3C6400_SETUP_SDHCI
select S3C64XX_SETUP_SDHCI
help
Machine support for the Samsung SMDK6400
@ -61,7 +56,7 @@ config MACH_SMDK6410
select S3C_DEV_FB
select S3C_DEV_USB_HOST
select S3C_DEV_USB_HSOTG
select S3C6410_SETUP_SDHCI
select S3C64XX_SETUP_SDHCI
select S3C64XX_SETUP_I2C1
select S3C64XX_SETUP_FB_24BPP
help

3
arch/arm/mach-s3c64xx/Makefile
View File

@ -17,8 +17,7 @@ obj-$(CONFIG_CPU_S3C6410) += s3c6410.o
# setup support
obj-$(CONFIG_S3C6400_SETUP_SDHCI) += setup-sdhci-s3c6400.o
obj-$(CONFIG_S3C6410_SETUP_SDHCI) += setup-sdhci-s3c6410.o
obj-$(CONFIG_S3C64XX_SETUP_SDHCI) += setup-sdhci.o
# Machine support

68
arch/arm/mach-s3c64xx/setup-sdhci-s3c6410.c
View File

@ -1,68 +0,0 @@
/* linux/arch/arm/mach-s3c64xx/setup-sdhci.c
*
* Copyright 2008 Simtec Electronics
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
#include <plat/regs-sdhci.h>
#include <plat/sdhci.h>
/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
char *s3c6410_hsmmc_clksrcs[4] = {
[0] = "hsmmc",
[1] = "hsmmc",
[2] = "mmc_bus",
/* [3] = "48m", - note not successfully used yet */
};
void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
void __iomem *r,
struct mmc_ios *ios,
struct mmc_card *card)
{
u32 ctrl2, ctrl3;
/* don't need to alter anything acording to card-type */
writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
ctrl2 = readl(r + S3C_SDHCI_CONTROL2);
ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
S3C_SDHCI_CTRL2_ENFBCLKRX |
S3C_SDHCI_CTRL2_DFCNT_NONE |
S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
if (ios->clock < 25 * 1000000)
ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
S3C_SDHCI_CTRL3_FCSEL2 |
S3C_SDHCI_CTRL3_FCSEL1 |
S3C_SDHCI_CTRL3_FCSEL0);
else
ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
printk(KERN_INFO "%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3);
writel(ctrl2, r + S3C_SDHCI_CONTROL2);
writel(ctrl3, r + S3C_SDHCI_CONTROL3);
}

13
arch/arm/mach-s3c64xx/setup-sdhci-s3c6400.c → arch/arm/mach-s3c64xx/setup-sdhci.c
View File

@ -5,7 +5,7 @@
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC)
* S3C6400/S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -26,7 +26,7 @@
/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
char *s3c6400_hsmmc_clksrcs[4] = {
char *s3c64xx_hsmmc_clksrcs[4] = {
[0] = "hsmmc",
[1] = "hsmmc",
[2] = "mmc_bus",
@ -61,3 +61,12 @@ void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
writel(ctrl3, r + S3C_SDHCI_CONTROL3);
}
void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev,
void __iomem *r,
struct mmc_ios *ios,
struct mmc_card *card)
{
writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
s3c6400_setup_sdhci_cfg_card(dev, r, ios, card);
}

43
arch/arm/plat-samsung/include/plat/sdhci.h
View File

@ -78,8 +78,8 @@ extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
/* S3C6400 SDHCI setup */
#ifdef CONFIG_S3C6400_SETUP_SDHCI
extern char *s3c6400_hsmmc_clksrcs[4];
#ifdef CONFIG_S3C64XX_SETUP_SDHCI
extern char *s3c64xx_hsmmc_clksrcs[4];
#ifdef CONFIG_S3C_DEV_HSMMC
extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
@ -89,7 +89,7 @@ extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
static inline void s3c6400_default_sdhci0(void)
{
s3c_hsmmc0_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
s3c_hsmmc0_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
}
@ -101,7 +101,7 @@ static inline void s3c6400_default_sdhci0(void) { }
#ifdef CONFIG_S3C_DEV_HSMMC1
static inline void s3c6400_default_sdhci1(void)
{
s3c_hsmmc1_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
s3c_hsmmc1_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
}
@ -112,7 +112,7 @@ static inline void s3c6400_default_sdhci1(void) { }
#ifdef CONFIG_S3C_DEV_HSMMC2
static inline void s3c6400_default_sdhci2(void)
{
s3c_hsmmc2_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
s3c_hsmmc2_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
s3c_hsmmc2_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
}
@ -120,27 +120,19 @@ static inline void s3c6400_default_sdhci2(void)
static inline void s3c6400_default_sdhci2(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC2 */
#else
static inline void s3c6400_default_sdhci0(void) { }
static inline void s3c6400_default_sdhci1(void) { }
#endif /* CONFIG_S3C6400_SETUP_SDHCI */
/* S3C6410 SDHCI setup */
#ifdef CONFIG_S3C6410_SETUP_SDHCI
extern char *s3c6410_hsmmc_clksrcs[4];
extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
void __iomem *r,
struct mmc_ios *ios,
struct mmc_card *card);
extern void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev,
void __iomem *r,
struct mmc_ios *ios,
struct mmc_card *card);
#ifdef CONFIG_S3C_DEV_HSMMC
static inline void s3c6410_default_sdhci0(void)
{
s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
s3c_hsmmc0_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
}
#else
static inline void s3c6410_default_sdhci0(void) { }
@ -149,9 +141,9 @@ static inline void s3c6410_default_sdhci0(void) { }
#ifdef CONFIG_S3C_DEV_HSMMC1
static inline void s3c6410_default_sdhci1(void)
{
s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
s3c_hsmmc1_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
}
#else
static inline void s3c6410_default_sdhci1(void) { }
@ -160,9 +152,9 @@ static inline void s3c6410_default_sdhci1(void) { }
#ifdef CONFIG_S3C_DEV_HSMMC2
static inline void s3c6410_default_sdhci2(void)
{
s3c_hsmmc2_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
s3c_hsmmc2_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
}
#else
static inline void s3c6410_default_sdhci2(void) { }
@ -171,7 +163,10 @@ static inline void s3c6410_default_sdhci2(void) { }
#else
static inline void s3c6410_default_sdhci0(void) { }
static inline void s3c6410_default_sdhci1(void) { }
#endif /* CONFIG_S3C6410_SETUP_SDHCI */
static inline void s3c6400_default_sdhci0(void) { }
static inline void s3c6400_default_sdhci1(void) { }
#endif /* CONFIG_S3C64XX_SETUP_SDHCI */
/* S5PC100 SDHCI setup */