From 2f6c2ac1d945ffc2e343103bdcfccbdb2e2de805 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Tue, 26 Jan 2010 10:38:52 +0900 Subject: 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 --- arch/arm/plat-samsung/include/plat/sdhci.h | 43 +++++++++++++----------------- 1 file changed, 19 insertions(+), 24 deletions(-) (limited to 'arch/arm/plat-samsung/include/plat') diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h index 53198673b6bd..7d07cd7aa4f2 100644 --- a/arch/arm/plat-samsung/include/plat/sdhci.h +++ b/arch/arm/plat-samsung/include/plat/sdhci.h @@ -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 */ -- cgit v1.2.1 From 55bf9267dd628c9369674ca75f5b00e275529289 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Tue, 26 Jan 2010 15:10:38 +0900 Subject: ARM: S3C64XX: Combine the clock init code Turn the init sequence of s3c24xx_register_baseclocks(xtal); s3c64xx_register_clocks(); s3c6400_register_clocks(S3C6410_CLKDIV0_ARM_MASK); into a single call as this is now contained within one file. Signed-off-by: Ben Dooks --- arch/arm/plat-samsung/include/plat/clock.h | 1 - 1 file changed, 1 deletion(-) (limited to 'arch/arm/plat-samsung/include/plat') diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h index ba9a1cdd3a28..60b62692ac7a 100644 --- a/arch/arm/plat-samsung/include/plat/clock.h +++ b/arch/arm/plat-samsung/include/plat/clock.h @@ -94,7 +94,6 @@ extern void s3c_register_clocks(struct clk *clk, int nr_clks); extern int s3c24xx_register_baseclocks(unsigned long xtal); -extern void s3c64xx_register_clocks(void); extern void s5p_register_clocks(unsigned long xtal_freq); extern void s3c24xx_setup_clocks(unsigned long fclk, -- cgit v1.2.1 From 992426bfe98e71db1ce767fd66f6c68ed18fcc14 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Sat, 20 Feb 2010 23:01:33 +0000 Subject: ARM: SAMSUNG: Remove dma-plat.h to allow plat-s3c64xx to be removed dma-plat.h is the last file left in plat-s3c64xx, but to remove it we must also change the use of dma-plat.h by the core code and the s3c24xx implementation. Rename the s3c24xx dma-plat.h in the common plat-samsung directory as it may be used for other ports. Move the specific dma bits into the mach-s3c64xx directory and update the build as needed. Signed-off-by: Ben Dooks --- arch/arm/plat-samsung/include/plat/dma-s3c24xx.h | 84 ++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 arch/arm/plat-samsung/include/plat/dma-s3c24xx.h (limited to 'arch/arm/plat-samsung/include/plat') diff --git a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h new file mode 100644 index 000000000000..336d5ac02035 --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h @@ -0,0 +1,84 @@ +/* linux/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h + * + * Copyright (C) 2006 Simtec Electronics + * Ben Dooks + * + * Samsung S3C24XX DMA support - per SoC functions + * + * 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 + +extern struct sysdev_class dma_sysclass; +extern struct s3c2410_dma_chan s3c2410_chans[S3C_DMA_CHANNELS]; + +#define DMA_CH_VALID (1<<31) +#define DMA_CH_NEVER (1<<30) + +struct s3c24xx_dma_addr { + unsigned long from; + unsigned long to; +}; + +/* struct s3c24xx_dma_map + * + * this holds the mapping information for the channel selected + * to be connected to the specified device +*/ + +struct s3c24xx_dma_map { + const char *name; + struct s3c24xx_dma_addr hw_addr; + + unsigned long channels[S3C_DMA_CHANNELS]; + unsigned long channels_rx[S3C_DMA_CHANNELS]; +}; + +struct s3c24xx_dma_selection { + struct s3c24xx_dma_map *map; + unsigned long map_size; + unsigned long dcon_mask; + + void (*select)(struct s3c2410_dma_chan *chan, + struct s3c24xx_dma_map *map); + + void (*direction)(struct s3c2410_dma_chan *chan, + struct s3c24xx_dma_map *map, + enum s3c2410_dmasrc dir); +}; + +extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel); + +/* struct s3c24xx_dma_order_ch + * + * channel map for one of the `enum dma_ch` dma channels. the list + * entry contains a set of low-level channel numbers, orred with + * DMA_CH_VALID, which are checked in the order in the array. +*/ + +struct s3c24xx_dma_order_ch { + unsigned int list[S3C_DMA_CHANNELS]; /* list of channels */ + unsigned int flags; /* flags */ +}; + +/* struct s3c24xx_dma_order + * + * information provided by either the core or the board to give the + * dma system a hint on how to allocate channels +*/ + +struct s3c24xx_dma_order { + struct s3c24xx_dma_order_ch channels[DMACH_MAX]; +}; + +extern int s3c24xx_dma_order_set(struct s3c24xx_dma_order *map); + +/* DMA init code, called from the cpu support code */ + +extern int s3c2410_dma_init(void); + +extern int s3c24xx_dma_init(unsigned int channels, unsigned int irq, + unsigned int stride); -- cgit v1.2.1