diff options
Diffstat (limited to 'arch/arm/plat-s3c/include/plat')
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/adc.h | 10 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/clock.h | 1 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/cpu.h | 3 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/devs.h | 1 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/dma-core.h | 22 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/dma.h | 127 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/gpio-core.h | 30 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/pm.h | 15 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/regs-serial.h | 5 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/sdhci.h | 50 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/udc-hs.h | 29 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/watchdog-reset.h | 49 |
12 files changed, 333 insertions, 9 deletions
diff --git a/arch/arm/plat-s3c/include/plat/adc.h b/arch/arm/plat-s3c/include/plat/adc.h index 43df2a404b0..d847bd476b6 100644 --- a/arch/arm/plat-s3c/include/plat/adc.h +++ b/arch/arm/plat-s3c/include/plat/adc.h @@ -19,10 +19,12 @@ struct s3c_adc_client; extern int s3c_adc_start(struct s3c_adc_client *client, unsigned int channel, unsigned int nr_samples); -extern struct s3c_adc_client *s3c_adc_register(struct platform_device *pdev, - void (*select)(unsigned selected), - void (*conv)(unsigned d0, unsigned d1), - unsigned int is_ts); +extern struct s3c_adc_client * + s3c_adc_register(struct platform_device *pdev, + void (*select)(unsigned selected), + void (*conv)(unsigned d0, unsigned d1, + unsigned *samples_left), + unsigned int is_ts); extern void s3c_adc_release(struct s3c_adc_client *client); diff --git a/arch/arm/plat-s3c/include/plat/clock.h b/arch/arm/plat-s3c/include/plat/clock.h index a10622eed43..d86af84b5b8 100644 --- a/arch/arm/plat-s3c/include/plat/clock.h +++ b/arch/arm/plat-s3c/include/plat/clock.h @@ -50,6 +50,7 @@ extern struct clk clk_xtal; extern struct clk clk_ext; /* S3C64XX specific clocks */ +extern struct clk clk_h2; extern struct clk clk_27m; extern struct clk clk_48m; diff --git a/arch/arm/plat-s3c/include/plat/cpu.h b/arch/arm/plat-s3c/include/plat/cpu.h index e62ae0fcfe5..be541cbba07 100644 --- a/arch/arm/plat-s3c/include/plat/cpu.h +++ b/arch/arm/plat-s3c/include/plat/cpu.h @@ -69,3 +69,6 @@ extern struct sysdev_class s3c2412_sysclass; extern struct sysdev_class s3c2440_sysclass; extern struct sysdev_class s3c2442_sysclass; extern struct sysdev_class s3c2443_sysclass; +extern struct sysdev_class s3c6410_sysclass; +extern struct sysdev_class s3c64xx_sysclass; + diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h index 26f0cec3ac0..a0b6768fddc 100644 --- a/arch/arm/plat-s3c/include/plat/devs.h +++ b/arch/arm/plat-s3c/include/plat/devs.h @@ -45,6 +45,7 @@ extern struct platform_device s3c_device_spi1; extern struct platform_device s3c_device_nand; extern struct platform_device s3c_device_usbgadget; +extern struct platform_device s3c_device_usb_hsotg; /* s3c2440 specific devices */ diff --git a/arch/arm/plat-s3c/include/plat/dma-core.h b/arch/arm/plat-s3c/include/plat/dma-core.h new file mode 100644 index 00000000000..32ff2a92cb3 --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/dma-core.h @@ -0,0 +1,22 @@ +/* arch/arm/plat-s3c/include/plat/dma.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Samsung S3C DMA core support + * + * 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. +*/ + +extern struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel); + +extern struct s3c2410_dma_chan *s3c_dma_chan_map[]; + +/* the currently allocated channel information */ +extern struct s3c2410_dma_chan s3c2410_chans[]; + + diff --git a/arch/arm/plat-s3c/include/plat/dma.h b/arch/arm/plat-s3c/include/plat/dma.h new file mode 100644 index 00000000000..34dba98f08e --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/dma.h @@ -0,0 +1,127 @@ +/* arch/arm/plat-s3c/include/plat/dma.h + * + * Copyright (C) 2003,2004,2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Samsung S3C DMA support + * + * 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. +*/ + +enum s3c2410_dma_buffresult { + S3C2410_RES_OK, + S3C2410_RES_ERR, + S3C2410_RES_ABORT +}; + +enum s3c2410_dmasrc { + S3C2410_DMASRC_HW, /* source is memory */ + S3C2410_DMASRC_MEM /* source is hardware */ +}; + +/* enum s3c2410_chan_op + * + * operation codes passed to the DMA code by the user, and also used + * to inform the current channel owner of any changes to the system state +*/ + +enum s3c2410_chan_op { + S3C2410_DMAOP_START, + S3C2410_DMAOP_STOP, + S3C2410_DMAOP_PAUSE, + S3C2410_DMAOP_RESUME, + S3C2410_DMAOP_FLUSH, + S3C2410_DMAOP_TIMEOUT, /* internal signal to handler */ + S3C2410_DMAOP_STARTED, /* indicate channel started */ +}; + +struct s3c2410_dma_client { + char *name; +}; + +struct s3c2410_dma_chan; + +/* s3c2410_dma_cbfn_t + * + * buffer callback routine type +*/ + +typedef void (*s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *, + void *buf, int size, + enum s3c2410_dma_buffresult result); + +typedef int (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *, + enum s3c2410_chan_op ); + + + +/* s3c2410_dma_request + * + * request a dma channel exclusivley +*/ + +extern int s3c2410_dma_request(unsigned int channel, + struct s3c2410_dma_client *, void *dev); + + +/* s3c2410_dma_ctrl + * + * change the state of the dma channel +*/ + +extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op); + +/* s3c2410_dma_setflags + * + * set the channel's flags to a given state +*/ + +extern int s3c2410_dma_setflags(unsigned int channel, + unsigned int flags); + +/* s3c2410_dma_free + * + * free the dma channel (will also abort any outstanding operations) +*/ + +extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *); + +/* s3c2410_dma_enqueue + * + * place the given buffer onto the queue of operations for the channel. + * The buffer must be allocated from dma coherent memory, or the Dcache/WB + * drained before the buffer is given to the DMA system. +*/ + +extern int s3c2410_dma_enqueue(unsigned int channel, void *id, + dma_addr_t data, int size); + +/* s3c2410_dma_config + * + * configure the dma channel +*/ + +extern int s3c2410_dma_config(unsigned int channel, int xferunit); + +/* s3c2410_dma_devconfig + * + * configure the device we're talking to +*/ + +extern int s3c2410_dma_devconfig(int channel, enum s3c2410_dmasrc source, + unsigned long devaddr); + +/* s3c2410_dma_getposition + * + * get the position that the dma transfer is currently at +*/ + +extern int s3c2410_dma_getposition(unsigned int channel, + dma_addr_t *src, dma_addr_t *dest); + +extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn); +extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn); + + diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h index 2fc60a580ac..32af612767a 100644 --- a/arch/arm/plat-s3c/include/plat/gpio-core.h +++ b/arch/arm/plat-s3c/include/plat/gpio-core.h @@ -20,6 +20,18 @@ * specific code. */ +struct s3c_gpio_chip; + +/** + * struct s3c_gpio_pm - power management (suspend/resume) information + * @save: Routine to save the state of the GPIO block + * @resume: Routine to resume the GPIO block. + */ +struct s3c_gpio_pm { + void (*save)(struct s3c_gpio_chip *chip); + void (*resume)(struct s3c_gpio_chip *chip); +}; + struct s3c_gpio_cfg; /** @@ -27,6 +39,7 @@ struct s3c_gpio_cfg; * @chip: The chip structure to be exported via gpiolib. * @base: The base pointer to the gpio configuration registers. * @config: special function and pull-resistor control information. + * @pm_save: Save information for suspend/resume support. * * This wrapper provides the necessary information for the Samsung * specific gpios being registered with gpiolib. @@ -34,7 +47,11 @@ struct s3c_gpio_cfg; struct s3c_gpio_chip { struct gpio_chip chip; struct s3c_gpio_cfg *config; + struct s3c_gpio_pm *pm; void __iomem *base; +#ifdef CONFIG_PM + u32 pm_save[4]; +#endif }; static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc) @@ -75,3 +92,16 @@ static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip) static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { } #endif + +#ifdef CONFIG_PM +extern struct s3c_gpio_pm s3c_gpio_pm_1bit; +extern struct s3c_gpio_pm s3c_gpio_pm_2bit; +extern struct s3c_gpio_pm s3c_gpio_pm_4bit; +#define __gpio_pm(x) x +#else +#define s3c_gpio_pm_1bit NULL +#define s3c_gpio_pm_2bit NULL +#define s3c_gpio_pm_4bit NULL +#define __gpio_pm(x) NULL + +#endif /* CONFIG_PM */ diff --git a/arch/arm/plat-s3c/include/plat/pm.h b/arch/arm/plat-s3c/include/plat/pm.h index 3779775133a..7a797192fcf 100644 --- a/arch/arm/plat-s3c/include/plat/pm.h +++ b/arch/arm/plat-s3c/include/plat/pm.h @@ -44,6 +44,8 @@ extern void (*pm_cpu_sleep)(void); extern unsigned long s3c_pm_flags; +extern unsigned char pm_uart_udivslot; /* true to save UART UDIVSLOT */ + /* from sleep.S */ extern int s3c_cpu_save(unsigned long *saveblk); @@ -88,6 +90,7 @@ struct pm_uart_save { u32 ufcon; u32 umcon; u32 ubrdiv; + u32 udivslot; }; /* helper functions to save/restore lists of registers. */ @@ -124,6 +127,18 @@ extern void s3c_pm_dbg(const char *msg, ...); #define S3C_PMDBG(fmt...) printk(KERN_DEBUG fmt) #endif +#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK +/** + * s3c_pm_debug_smdkled() - Debug PM suspend/resume via SMDK Board LEDs + * @set: set bits for the state of the LEDs + * @clear: clear bits for the state of the LEDs. + */ +extern void s3c_pm_debug_smdkled(u32 set, u32 clear); + +#else +static inline void s3c_pm_debug_smdkled(u32 set, u32 clear) { } +#endif /* CONFIG_S3C_PM_DEBUG_LED_SMDK */ + /* suspend memory checking */ #ifdef CONFIG_S3C2410_PM_CHECK diff --git a/arch/arm/plat-s3c/include/plat/regs-serial.h b/arch/arm/plat-s3c/include/plat/regs-serial.h index 487d7d2a7e1..66af75a5cdd 100644 --- a/arch/arm/plat-s3c/include/plat/regs-serial.h +++ b/arch/arm/plat-s3c/include/plat/regs-serial.h @@ -189,6 +189,11 @@ #define S3C2443_DIVSLOT (0x2C) +/* S3C64XX interrupt registers. */ +#define S3C64XX_UINTP 0x30 +#define S3C64XX_UINTSP 0x34 +#define S3C64XX_UINTM 0x38 + #ifndef __ASSEMBLY__ /* struct s3c24xx_uart_clksrc diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h index c4ca3920ca4..f615308ccdf 100644 --- a/arch/arm/plat-s3c/include/plat/sdhci.h +++ b/arch/arm/plat-s3c/include/plat/sdhci.h @@ -67,12 +67,52 @@ extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata; /* Helper function availablity */ +extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w); +extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w); + +/* S3C6400 SDHCI setup */ + +#ifdef CONFIG_S3C6400_SETUP_SDHCI +extern char *s3c6400_hsmmc_clksrcs[4]; + +#ifdef CONFIG_S3C_DEV_HSMMC +extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev, + void __iomem *r, + struct mmc_ios *ios, + struct mmc_card *card); + +static inline void s3c6400_default_sdhci0(void) +{ + s3c_hsmmc0_def_platdata.clocks = s3c6400_hsmmc_clksrcs; + s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio; + s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card; +} + +#else +static inline void s3c6400_default_sdhci0(void) { } +#endif /* CONFIG_S3C_DEV_HSMMC */ + +#ifdef CONFIG_S3C_DEV_HSMMC1 +static inline void s3c6400_default_sdhci1(void) +{ + s3c_hsmmc1_def_platdata.clocks = s3c6400_hsmmc_clksrcs; + s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio; + s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card; +} +#else +static inline void s3c6400_default_sdhci1(void) { } +#endif /* CONFIG_S3C_DEV_HSMMC1 */ + +#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_gpio(struct platform_device *, int w); -extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w); - extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, void __iomem *r, struct mmc_ios *ios, @@ -82,7 +122,7 @@ extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, static inline void s3c6410_default_sdhci0(void) { s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs; - s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio; + s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio; s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; } #else @@ -93,7 +133,7 @@ static inline void s3c6410_default_sdhci0(void) { } static inline void s3c6410_default_sdhci1(void) { s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs; - s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci1_cfg_gpio; + s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio; s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; } #else diff --git a/arch/arm/plat-s3c/include/plat/udc-hs.h b/arch/arm/plat-s3c/include/plat/udc-hs.h new file mode 100644 index 00000000000..dd04db04310 --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/udc-hs.h @@ -0,0 +1,29 @@ +/* arch/arm/plat-s3c/include/plat/udc-hs.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C USB2.0 High-speed / OtG platform information + * + * 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. +*/ + +enum s3c_hostg_dmamode { + S3C_HSOTG_DMA_NONE, /* do not use DMA at-all */ + S3C_HSOTG_DMA_ONLY, /* always use DMA */ + S3C_HSOTG_DMA_DRV, /* DMA is chosen by driver */ +}; + +/** + * struct s3c_hsotg_plat - platform data for high-speed otg/udc + * @dma: Whether to use DMA or not. + * @is_osc: The clock source is an oscillator, not a crystal + */ +struct s3c_hsotg_plat { + enum s3c_hostg_dmamode dma; + unsigned int is_osc : 1; +}; diff --git a/arch/arm/plat-s3c/include/plat/watchdog-reset.h b/arch/arm/plat-s3c/include/plat/watchdog-reset.h new file mode 100644 index 00000000000..54b762acb5a --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/watchdog-reset.h @@ -0,0 +1,49 @@ +/* arch/arm/plat-s3c/include/plat/watchdog-reset.h + * + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - System define for arch_reset() function + * + * 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 <plat/regs-watchdog.h> +#include <mach/map.h> + +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/io.h> + +static inline void arch_wdt_reset(void) +{ + struct clk *wdtclk; + + printk("arch_reset: attempting watchdog reset\n"); + + __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ + + wdtclk = clk_get(NULL, "watchdog"); + if (!IS_ERR(wdtclk)) { + clk_enable(wdtclk); + } else + printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); + + /* put initial values into count and data */ + __raw_writel(0x80, S3C2410_WTCNT); + __raw_writel(0x80, S3C2410_WTDAT); + + /* set the watchdog to go and reset... */ + __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN | + S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON); + + /* wait for reset to assert... */ + mdelay(500); + + printk(KERN_ERR "Watchdog reset failed to assert reset\n"); + + /* delay to allow the serial port to show the message */ + mdelay(50); +} |