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Commit 2f6c2ac1 authored by Ben Dooks's avatar Ben Dooks
Browse files

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: default avatarBen Dooks <ben-linux@fluff.org>
parent 97ce9d69

arch/arm/mach-s3c64xx/Kconfig

+6 −11
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-s3c64xx/Makefile

+1 −2
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-s3c64xx/setup-sdhci-s3c6410.c

deleted100644 → 0
+0 −68
Original line number Diff line number Diff line 
/* 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);

}

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

+11 −2
Original line number Diff line number Diff line
@@ -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);

}

arch/arm/plat-samsung/include/plat/sdhci.h

+19 −24
Original line number Diff line number Diff line
@@ -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;

}
@@ -120,17 +120,9 @@ 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,

extern void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev,

					 void __iomem *r,

					 struct mmc_ios *ios,

					 struct mmc_card *card);
@@ -138,9 +130,9 @@ extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, 
#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 */