diff options
Diffstat (limited to 'arch/arm/plat-samsung')
30 files changed, 298 insertions, 141 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 59401e1cc53..a9d52167e16 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -414,6 +414,11 @@ config S5P_SETUP_MIPIPHY help Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices +config S3C_SETUP_CAMIF + bool + help + Compile in common setup code for S3C CAMIF devices + # DMA config S3C_DMA @@ -502,5 +507,6 @@ config DEBUG_S3C_UART default "0" if DEBUG_S3C_UART0 default "1" if DEBUG_S3C_UART1 default "2" if DEBUG_S3C_UART2 + default "3" if DEBUG_S3C_UART3 endif diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index 9e40e8d0074..3a7c64d1814 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -41,6 +41,7 @@ obj-$(CONFIG_S5P_DEV_UART) += s5p-dev-uart.o obj-$(CONFIG_SAMSUNG_DEV_BACKLIGHT) += dev-backlight.o +obj-$(CONFIG_S3C_SETUP_CAMIF) += setup-camif.o obj-$(CONFIG_S5P_SETUP_MIPIPHY) += setup-mipiphy.o # DMA support diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c index b1e05ccff3a..ca07cb1b155 100644 --- a/arch/arm/plat-samsung/adc.c +++ b/arch/arm/plat-samsung/adc.c @@ -344,7 +344,7 @@ static int s3c_adc_probe(struct platform_device *pdev) int ret; unsigned tmp; - adc = kzalloc(sizeof(struct adc_device), GFP_KERNEL); + adc = devm_kzalloc(dev, sizeof(struct adc_device), GFP_KERNEL); if (adc == NULL) { dev_err(dev, "failed to allocate adc_device\n"); return -ENOMEM; @@ -355,50 +355,44 @@ static int s3c_adc_probe(struct platform_device *pdev) adc->pdev = pdev; adc->prescale = S3C2410_ADCCON_PRSCVL(49); - adc->vdd = regulator_get(dev, "vdd"); + adc->vdd = devm_regulator_get(dev, "vdd"); if (IS_ERR(adc->vdd)) { dev_err(dev, "operating without regulator \"vdd\" .\n"); - ret = PTR_ERR(adc->vdd); - goto err_alloc; + return PTR_ERR(adc->vdd); } adc->irq = platform_get_irq(pdev, 1); if (adc->irq <= 0) { dev_err(dev, "failed to get adc irq\n"); - ret = -ENOENT; - goto err_reg; + return -ENOENT; } - ret = request_irq(adc->irq, s3c_adc_irq, 0, dev_name(dev), adc); + ret = devm_request_irq(dev, adc->irq, s3c_adc_irq, 0, dev_name(dev), + adc); if (ret < 0) { dev_err(dev, "failed to attach adc irq\n"); - goto err_reg; + return ret; } - adc->clk = clk_get(dev, "adc"); + adc->clk = devm_clk_get(dev, "adc"); if (IS_ERR(adc->clk)) { dev_err(dev, "failed to get adc clock\n"); - ret = PTR_ERR(adc->clk); - goto err_irq; + return PTR_ERR(adc->clk); } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!regs) { dev_err(dev, "failed to find registers\n"); - ret = -ENXIO; - goto err_clk; + return -ENXIO; } - adc->regs = ioremap(regs->start, resource_size(regs)); - if (!adc->regs) { - dev_err(dev, "failed to map registers\n"); - ret = -ENXIO; - goto err_clk; - } + adc->regs = devm_ioremap_resource(dev, regs); + if (IS_ERR(adc->regs)) + return PTR_ERR(adc->regs); ret = regulator_enable(adc->vdd); if (ret) - goto err_ioremap; + return ret; clk_enable(adc->clk); @@ -418,32 +412,14 @@ static int s3c_adc_probe(struct platform_device *pdev) adc_dev = adc; return 0; - - err_ioremap: - iounmap(adc->regs); - err_clk: - clk_put(adc->clk); - - err_irq: - free_irq(adc->irq, adc); - err_reg: - regulator_put(adc->vdd); - err_alloc: - kfree(adc); - return ret; } -static int __devexit s3c_adc_remove(struct platform_device *pdev) +static int s3c_adc_remove(struct platform_device *pdev) { struct adc_device *adc = platform_get_drvdata(pdev); - iounmap(adc->regs); - free_irq(adc->irq, adc); clk_disable(adc->clk); regulator_disable(adc->vdd); - regulator_put(adc->vdd); - clk_put(adc->clk); - kfree(adc); return 0; } @@ -538,7 +514,7 @@ static struct platform_driver s3c_adc_driver = { .pm = &adc_pm_ops, }, .probe = s3c_adc_probe, - .remove = __devexit_p(s3c_adc_remove), + .remove = s3c_adc_remove, }; static int __init adc_init(void) diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c index 012bbd0b8d8..47c9fad43f0 100644 --- a/arch/arm/plat-samsung/clock.c +++ b/arch/arm/plat-samsung/clock.c @@ -389,6 +389,72 @@ int __init s3c24xx_register_baseclocks(unsigned long xtal) static struct dentry *clk_debugfs_root; +static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level) +{ + struct clk *child; + const char *state; + char buf[255] = { 0 }; + int n = 0; + + if (c->name) + n = snprintf(buf, sizeof(buf) - 1, "%s", c->name); + + if (c->devname) + n += snprintf(buf + n, sizeof(buf) - 1 - n, ":%s", c->devname); + + state = (c->usage > 0) ? "on" : "off"; + + seq_printf(s, "%*s%-*s %-6s %-3d %-10lu\n", + level * 3 + 1, "", + 50 - level * 3, buf, + state, c->usage, clk_get_rate(c)); + + list_for_each_entry(child, &clocks, list) { + if (child->parent != c) + continue; + + clock_tree_show_one(s, child, level + 1); + } +} + +static int clock_tree_show(struct seq_file *s, void *data) +{ + struct clk *c; + unsigned long flags; + + seq_printf(s, " clock state ref rate\n"); + seq_printf(s, "----------------------------------------------------\n"); + + spin_lock_irqsave(&clocks_lock, flags); + + list_for_each_entry(c, &clocks, list) + if (c->parent == NULL) + clock_tree_show_one(s, c, 0); + + spin_unlock_irqrestore(&clocks_lock, flags); + return 0; +} + +static int clock_tree_open(struct inode *inode, struct file *file) +{ + return single_open(file, clock_tree_show, inode->i_private); +} + +static const struct file_operations clock_tree_fops = { + .open = clock_tree_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int clock_rate_show(void *data, u64 *val) +{ + struct clk *c = data; + *val = clk_get_rate(c); + return 0; +} +DEFINE_SIMPLE_ATTRIBUTE(clock_rate_fops, clock_rate_show, NULL, "%llu\n"); + static int clk_debugfs_register_one(struct clk *c) { int err; @@ -411,7 +477,7 @@ static int clk_debugfs_register_one(struct clk *c) goto err_out; } - d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); + d = debugfs_create_file("rate", S_IRUGO, c->dent, c, &clock_rate_fops); if (!d) { err = -ENOMEM; goto err_out; @@ -446,13 +512,18 @@ static int __init clk_debugfs_init(void) { struct clk *c; struct dentry *d; - int err; + int err = -ENOMEM; d = debugfs_create_dir("clock", NULL); if (!d) return -ENOMEM; clk_debugfs_root = d; + d = debugfs_create_file("clock_tree", S_IRUGO, clk_debugfs_root, NULL, + &clock_tree_fops); + if (!d) + goto err_out; + list_for_each_entry(c, &clocks, list) { err = clk_debugfs_register(c); if (err) diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index 03f654d55ef..51afedda9ab 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -146,15 +146,6 @@ struct platform_device s3c_device_camif = { /* ASOC DMA */ -struct platform_device samsung_asoc_dma = { - .name = "samsung-audio", - .id = -1, - .dev = { - .dma_mask = &samsung_device_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - } -}; - struct platform_device samsung_asoc_idma = { .name = "samsung-idma", .id = -1, @@ -486,11 +477,7 @@ static struct resource s3c_i2c0_resource[] = { struct platform_device s3c_device_i2c0 = { .name = "s3c2410-i2c", -#ifdef CONFIG_S3C_DEV_I2C1 .id = 0, -#else - .id = -1, -#endif .num_resources = ARRAY_SIZE(s3c_i2c0_resource), .resource = s3c_i2c0_resource, }; @@ -933,6 +920,7 @@ struct platform_device s5p_device_mfc_r = { .coherent_dma_mask = DMA_BIT_MASK(32), }, }; + #endif /* CONFIG_S5P_DEV_MFC */ /* MIPI CSIS */ diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c index d088afa034e..71d58ddea9c 100644 --- a/arch/arm/plat-samsung/dma-ops.c +++ b/arch/arm/plat-samsung/dma-ops.c @@ -19,7 +19,8 @@ #include <mach/dma.h> static unsigned samsung_dmadev_request(enum dma_ch dma_ch, - struct samsung_dma_req *param) + struct samsung_dma_req *param, + struct device *dev, char *ch_name) { dma_cap_mask_t mask; void *filter_param; @@ -33,7 +34,12 @@ static unsigned samsung_dmadev_request(enum dma_ch dma_ch, */ filter_param = (dma_ch == DMACH_DT_PROP) ? (void *)param->dt_dmach_prop : (void *)dma_ch; - return (unsigned)dma_request_channel(mask, pl330_filter, filter_param); + + if (dev->of_node) + return (unsigned)dma_request_slave_channel(dev, ch_name); + else + return (unsigned)dma_request_channel(mask, pl330_filter, + filter_param); } static int samsung_dmadev_release(unsigned ch, void *param) diff --git a/arch/arm/plat-samsung/include/plat/adc.h b/arch/arm/plat-samsung/include/plat/adc.h index b258a08de59..2fc89315553 100644 --- a/arch/arm/plat-samsung/include/plat/adc.h +++ b/arch/arm/plat-samsung/include/plat/adc.h @@ -15,6 +15,7 @@ #define __ASM_PLAT_ADC_H __FILE__ struct s3c_adc_client; +struct platform_device; extern int s3c_adc_start(struct s3c_adc_client *client, unsigned int channel, unsigned int nr_samples); diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index ace4451b765..37703ef6dfc 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -43,6 +43,7 @@ extern unsigned long samsung_cpu_id; #define EXYNOS4_CPU_MASK 0xFFFE0000 #define EXYNOS5250_SOC_ID 0x43520000 +#define EXYNOS5440_SOC_ID 0xE5440000 #define EXYNOS5_SOC_MASK 0xFFFFF000 #define IS_SAMSUNG_CPU(name, id, mask) \ @@ -62,6 +63,7 @@ IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) +IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ @@ -130,6 +132,12 @@ IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) # define soc_is_exynos5250() 0 #endif +#if defined(CONFIG_SOC_EXYNOS5440) +# define soc_is_exynos5440() is_samsung_exynos5440() +#else +# define soc_is_exynos5440() 0 +#endif + #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } #ifndef KHZ @@ -186,8 +194,7 @@ extern void s3c24xx_init_uartdevs(char *name, /* timer for 2410/2440 */ -struct sys_timer; -extern struct sys_timer s3c24xx_timer; +extern void s3c24xx_timer_init(void); extern struct syscore_ops s3c2410_pm_syscore_ops; extern struct syscore_ops s3c2412_pm_syscore_ops; diff --git a/arch/arm/plat-samsung/include/plat/debug-macro.S b/arch/arm/plat-samsung/include/plat/debug-macro.S index 207e275362a..f3a9cff6d5d 100644 --- a/arch/arm/plat-samsung/include/plat/debug-macro.S +++ b/arch/arm/plat-samsung/include/plat/debug-macro.S @@ -14,12 +14,12 @@ /* The S5PV210/S5PC110 implementations are as belows. */ .macro fifo_level_s5pv210 rd, rx - ldr \rd, [ \rx, # S3C2410_UFSTAT ] + ldr \rd, [\rx, # S3C2410_UFSTAT] and \rd, \rd, #S5PV210_UFSTAT_TXMASK .endm .macro fifo_full_s5pv210 rd, rx - ldr \rd, [ \rx, # S3C2410_UFSTAT ] + ldr \rd, [\rx, # S3C2410_UFSTAT] tst \rd, #S5PV210_UFSTAT_TXFULL .endm @@ -27,7 +27,7 @@ * most widely re-used */ .macro fifo_level_s3c2440 rd, rx - ldr \rd, [ \rx, # S3C2410_UFSTAT ] + ldr \rd, [\rx, # S3C2410_UFSTAT] and \rd, \rd, #S3C2440_UFSTAT_TXMASK .endm @@ -36,7 +36,7 @@ #endif .macro fifo_full_s3c2440 rd, rx - ldr \rd, [ \rx, # S3C2410_UFSTAT ] + ldr \rd, [\rx, # S3C2410_UFSTAT] tst \rd, #S3C2440_UFSTAT_TXFULL .endm @@ -45,11 +45,11 @@ #endif .macro senduart,rd,rx - strb \rd, [\rx, # S3C2410_UTXH ] + strb \rd, [\rx, # S3C2410_UTXH] .endm .macro busyuart, rd, rx - ldr \rd, [ \rx, # S3C2410_UFCON ] + ldr \rd, [\rx, # S3C2410_UFCON] tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? beq 1001f @ @ FIFO enabled... @@ -60,7 +60,7 @@ 1001: @ busy waiting for non fifo - ldr \rd, [ \rx, # S3C2410_UTRSTAT ] + ldr \rd, [\rx, # S3C2410_UTRSTAT] tst \rd, #S3C2410_UTRSTAT_TXFE beq 1001b @@ -68,7 +68,7 @@ .endm .macro waituart,rd,rx - ldr \rd, [ \rx, # S3C2410_UFCON ] + ldr \rd, [\rx, # S3C2410_UFCON] tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? beq 1001f @ @ FIFO enabled... @@ -79,7 +79,7 @@ b 1002f 1001: @ idle waiting for non fifo - ldr \rd, [ \rx, # S3C2410_UTRSTAT ] + ldr \rd, [\rx, # S3C2410_UTRSTAT] tst \rd, #S3C2410_UTRSTAT_TXFE beq 1001b diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index 5da4b4f38f4..87d501ff332 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -123,7 +123,6 @@ extern struct platform_device s5pv210_device_spdif; extern struct platform_device exynos4_device_ac97; extern struct platform_device exynos4_device_ahci; -extern struct platform_device exynos4_device_dwmci; extern struct platform_device exynos4_device_i2s0; extern struct platform_device exynos4_device_i2s1; extern struct platform_device exynos4_device_i2s2; @@ -133,9 +132,6 @@ extern struct platform_device exynos4_device_pcm1; extern struct platform_device exynos4_device_pcm2; extern struct platform_device exynos4_device_spdif; -extern struct platform_device exynos_device_drm; - -extern struct platform_device samsung_asoc_dma; extern struct platform_device samsung_asoc_idma; extern struct platform_device samsung_device_keypad; diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h index f5144cdd300..114178268b7 100644 --- a/arch/arm/plat-samsung/include/plat/dma-ops.h +++ b/arch/arm/plat-samsung/include/plat/dma-ops.h @@ -39,7 +39,8 @@ struct samsung_dma_config { }; struct samsung_dma_ops { - unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param); + unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param, + struct device *dev, char *ch_name); int (*release)(unsigned ch, void *param); int (*config)(unsigned ch, struct samsung_dma_config *param); int (*prepare)(unsigned ch, struct samsung_dma_prep *param); diff --git a/arch/arm/plat-samsung/include/plat/fimc-core.h b/arch/arm/plat-samsung/include/plat/fimc-core.h index 945a99d5956..1d6cb2b8b09 100644 --- a/arch/arm/plat-samsung/include/plat/fimc-core.h +++ b/arch/arm/plat-samsung/include/plat/fimc-core.h @@ -43,6 +43,8 @@ static inline void s3c_fimc_setname(int id, char *name) s5p_device_fimc3.name = name; break; #endif + default: + break; } } diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h index 1fe6917f6a2..cf5aae5b097 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-core.h +++ b/arch/arm/plat-samsung/include/plat/gpio-core.h @@ -11,6 +11,9 @@ * published by the Free Software Foundation. */ +#ifndef __PLAT_SAMSUNG_GPIO_CORE_H +#define __PLAT_SAMSUNG_GPIO_CORE_H + #define GPIOCON_OFF (0x00) #define GPIODAT_OFF (0x04) @@ -48,6 +51,7 @@ struct samsung_gpio_cfg; * @config: special function and pull-resistor control information. * @lock: Lock for exclusive access to this gpio bank. * @pm_save: Save information for suspend/resume support. + * @bitmap_gpio_int: Bitmap for representing GPIO interrupt or not. * * This wrapper provides the necessary information for the Samsung * specific gpios being registered with gpiolib. @@ -71,6 +75,7 @@ struct samsung_gpio_chip { #ifdef CONFIG_PM u32 pm_save[4]; #endif + u32 bitmap_gpio_int; }; static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc) @@ -101,7 +106,18 @@ static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int chi #else /* machine specific code should provide samsung_gpiolib_getchip */ -#include <mach/gpio-track.h> +extern struct samsung_gpio_chip s3c24xx_gpios[]; + +static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin) +{ + struct samsung_gpio_chip *chip; + + if (pin > S3C_GPIO_END) + return NULL; + + chip = &s3c24xx_gpios[pin/32]; + return ((pin - chip->chip.base) < chip->chip.ngpio) ? chip : NULL; +} static inline void s3c_gpiolib_track(struct samsung_gpio_chip *chip) { } #endif @@ -122,3 +138,5 @@ extern struct samsung_gpio_pm samsung_gpio_pm_4bit; /* locking wrappers to deal with multiple access to the same gpio bank */ #define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl) #define samsung_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl) + +#endif /* __PLAT_SAMSUNG_GPIO_CORE_H */ diff --git a/arch/arm/plat-samsung/include/plat/gpio-fns.h b/arch/arm/plat-samsung/include/plat/gpio-fns.h deleted file mode 100644 index d1ecef0e38e..00000000000 --- a/arch/arm/plat-samsung/include/plat/gpio-fns.h +++ /dev/null @@ -1 +0,0 @@ -#include <plat/gpio-cfg.h> diff --git a/arch/arm/plat-samsung/include/plat/mfc.h b/arch/arm/plat-samsung/include/plat/mfc.h index ac13227272f..e6d7c42d68b 100644 --- a/arch/arm/plat-samsung/include/plat/mfc.h +++ b/arch/arm/plat-samsung/include/plat/mfc.h @@ -10,6 +10,14 @@ #ifndef __PLAT_SAMSUNG_MFC_H #define __PLAT_SAMSUNG_MFC_H __FILE__ +struct s5p_mfc_dt_meminfo { + unsigned long loff; + unsigned long lsize; + unsigned long roff; + unsigned long rsize; + char *compatible; +}; + /** * s5p_mfc_reserve_mem - function to early reserve memory for MFC driver * @rbase: base address for MFC 'right' memory interface @@ -24,4 +32,7 @@ void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize, phys_addr_t lbase, unsigned int lsize); +int __init s5p_fdt_find_mfc_mem(unsigned long node, const char *uname, + int depth, void *data); + #endif /* __PLAT_SAMSUNG_MFC_H */ diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h index 61fc53740fb..f6fcadeee96 100644 --- a/arch/arm/plat-samsung/include/plat/pm.h +++ b/arch/arm/plat-samsung/include/plat/pm.h @@ -107,17 +107,13 @@ extern void s3c_pm_do_restore(struct sleep_save *ptr, int count); extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count); #ifdef CONFIG_PM +extern int s3c_irq_wake(struct irq_data *data, unsigned int state); extern int s3c_irqext_wake(struct irq_data *data, unsigned int state); -extern int s3c24xx_irq_suspend(void); -extern void s3c24xx_irq_resume(void); #else +#define s3c_irq_wake NULL #define s3c_irqext_wake NULL -#define s3c24xx_irq_suspend NULL -#define s3c24xx_irq_resume NULL #endif -extern struct syscore_ops s3c24xx_irq_syscore_ops; - /* PM debug functions */ #ifdef CONFIG_SAMSUNG_PM_DEBUG diff --git a/arch/arm/plat-samsung/include/plat/s3c2416.h b/arch/arm/plat-samsung/include/plat/s3c2416.h index 7178e338e25..f27399a3c68 100644 --- a/arch/arm/plat-samsung/include/plat/s3c2416.h +++ b/arch/arm/plat-samsung/include/plat/s3c2416.h @@ -25,6 +25,7 @@ extern int s3c2416_baseclk_add(void); extern void s3c2416_restart(char mode, const char *cmd); +extern void s3c2416_init_irq(void); extern struct syscore_ops s3c2416_irq_syscore_ops; #else diff --git a/arch/arm/plat-samsung/include/plat/s3c2443.h b/arch/arm/plat-samsung/include/plat/s3c2443.h index a5b794ff838..71b88ec4895 100644 --- a/arch/arm/plat-samsung/include/plat/s3c2443.h +++ b/arch/arm/plat-samsung/include/plat/s3c2443.h @@ -25,6 +25,8 @@ extern void s3c2443_init_clocks(int xtal); extern int s3c2443_baseclk_add(void); extern void s3c2443_restart(char mode, const char *cmd); + +extern void s3c2443_init_irq(void); #else #define s3c2443_init_clocks NULL #define s3c2443_init_uarts NULL diff --git a/arch/arm/plat-samsung/include/plat/s5p-time.h b/arch/arm/plat-samsung/include/plat/s5p-time.h index 3a70aebc920..9c96f3586ce 100644 --- a/arch/arm/plat-samsung/include/plat/s5p-time.h +++ b/arch/arm/plat-samsung/include/plat/s5p-time.h @@ -36,5 +36,5 @@ struct s5p_timer_source { extern void __init s5p_set_timer_source(enum s5p_timer_mode event, enum s5p_timer_mode source); -extern struct sys_timer s5p_timer; +extern void s5p_timer_init(void); #endif /* __ASM_PLAT_S5P_TIME_H */ diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h index 151cc9195cf..9b87f38fc4f 100644 --- a/arch/arm/plat-samsung/include/plat/sdhci.h +++ b/arch/arm/plat-samsung/include/plat/sdhci.h @@ -374,6 +374,8 @@ static inline void s3c_sdhci_setname(int id, char *name) s3c_device_hsmmc3.name = name; break; #endif + default: + break; } } diff --git a/arch/arm/plat-samsung/include/plat/uncompress.h b/arch/arm/plat-samsung/include/plat/uncompress.h index 7e068d182c3..438b24846e7 100644 --- a/arch/arm/plat-samsung/include/plat/uncompress.h +++ b/arch/arm/plat-samsung/include/plat/uncompress.h @@ -97,33 +97,6 @@ static inline void flush(void) *((volatile unsigned int __force *)(ad)) = (d); \ } while (0) -/* CONFIG_S3C_BOOT_WATCHDOG - * - * Simple boot-time watchdog setup, to reboot the system if there is - * any problem with the boot process -*/ - -#ifdef CONFIG_S3C_BOOT_WATCHDOG - -#define WDOG_COUNT (0xff00) - -static inline void arch_decomp_wdog(void) -{ - __raw_writel(WDOG_COUNT, S3C2410_WTCNT); -} - -static void arch_decomp_wdog_start(void) -{ - __raw_writel(WDOG_COUNT, S3C2410_WTDAT); - __raw_writel(WDOG_COUNT, S3C2410_WTCNT); - __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x80), S3C2410_WTCON); -} - -#else -#define arch_decomp_wdog_start() -#define arch_decomp_wdog() -#endif - #ifdef CONFIG_S3C_BOOT_ERROR_RESET static void arch_decomp_error(const char *x) @@ -173,7 +146,6 @@ arch_decomp_setup(void) */ arch_detect_cpu(); - arch_decomp_wdog_start(); /* Enable the UART FIFOs if they where not enabled and our * configuration says we should turn them on. diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index 15070284343..002b1472293 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -51,7 +51,7 @@ void s3c_pm_dbg(const char *fmt, ...) char buff[256]; va_start(va, fmt); - vsprintf(buff, fmt, va); + vsnprintf(buff, sizeof(buff), fmt, va); va_end(va); printascii(buff); @@ -243,6 +243,7 @@ int (*pm_cpu_sleep)(unsigned long); static int s3c_pm_enter(suspend_state_t state) { + int ret; /* ensure the debug is initialised (if enabled) */ s3c_pm_debug_init(); @@ -300,7 +301,9 @@ static int s3c_pm_enter(suspend_state_t state) * we resume as it saves its own register state and restores it * during the resume. */ - cpu_suspend(0, pm_cpu_sleep); + ret = cpu_suspend(0, pm_cpu_sleep); + if (ret) + return ret; /* restore the system state */ diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c index f99448c48d3..0cc40aea3f5 100644 --- a/arch/arm/plat-samsung/s3c-dma-ops.c +++ b/arch/arm/plat-samsung/s3c-dma-ops.c @@ -36,7 +36,8 @@ static void s3c_dma_cb(struct s3c2410_dma_chan *channel, void *param, } static unsigned s3c_dma_request(enum dma_ch dma_ch, - struct samsung_dma_req *param) + struct samsung_dma_req *param, + struct device *dev, char *ch_name) { struct cb_data *data; diff --git a/arch/arm/plat-samsung/s5p-dev-mfc.c b/arch/arm/plat-samsung/s5p-dev-mfc.c index ad6089465e2..5ec104b5408 100644 --- a/arch/arm/plat-samsung/s5p-dev-mfc.c +++ b/arch/arm/plat-samsung/s5p-dev-mfc.c @@ -14,6 +14,8 @@ #include <linux/dma-mapping.h> #include <linux/memblock.h> #include <linux/ioport.h> +#include <linux/of_fdt.h> +#include <linux/of.h> #include <mach/map.h> #include <plat/devs.h> @@ -69,3 +71,35 @@ static int __init s5p_mfc_memory_init(void) return 0; } device_initcall(s5p_mfc_memory_init); + +#ifdef CONFIG_OF +int __init s5p_fdt_find_mfc_mem(unsigned long node, const char *uname, + int depth, void *data) +{ + __be32 *prop; + unsigned long len; + struct s5p_mfc_dt_meminfo *mfc_mem = data; + + if (!data) + return 0; + + if (!of_flat_dt_is_compatible(node, mfc_mem->compatible)) + return 0; + + prop = of_get_flat_dt_prop(node, "samsung,mfc-l", &len); + if (!prop || (len != 2 * sizeof(unsigned long))) + return 0; + + mfc_mem->loff = be32_to_cpu(prop[0]); + mfc_mem->lsize = be32_to_cpu(prop[1]); + + prop = of_get_flat_dt_prop(node, "samsung,mfc-r", &len); + if (!prop || (len != 2 * sizeof(unsigned long))) + return 0; + + mfc_mem->roff = be32_to_cpu(prop[0]); + mfc_mem->rsize = be32_to_cpu(prop[1]); + + return 1; +} +#endif diff --git a/arch/arm/plat-samsung/s5p-irq-eint.c b/arch/arm/plat-samsung/s5p-irq-eint.c index 33bd3f3d20f..faa65160278 100644 --- a/arch/arm/plat-samsung/s5p-irq-eint.c +++ b/arch/arm/plat-samsung/s5p-irq-eint.c @@ -15,8 +15,7 @@ #include <linux/io.h> #include <linux/device.h> #include <linux/gpio.h> - -#include <asm/hardware/vic.h> +#include <linux/irqchip/arm-vic.h> #include <plat/regs-irqtype.h> diff --git a/arch/arm/plat-samsung/s5p-irq-gpioint.c b/arch/arm/plat-samsung/s5p-irq-gpioint.c index 23557d30e44..bae56131a50 100644 --- a/arch/arm/plat-samsung/s5p-irq-gpioint.c +++ b/arch/arm/plat-samsung/s5p-irq-gpioint.c @@ -185,7 +185,7 @@ int __init s5p_register_gpio_interrupt(int pin) /* check if the group has been already registered */ if (my_chip->irq_base) - return my_chip->irq_base + offset; + goto success; /* register gpio group */ ret = s5p_gpioint_add(my_chip); @@ -193,9 +193,13 @@ int __init s5p_register_gpio_interrupt(int pin) my_chip->chip.to_irq = samsung_gpiolib_to_irq; printk(KERN_INFO "Registered interrupt support for gpio group %d.\n", group); - return my_chip->irq_base + offset; + goto success; } return ret; +success: + my_chip->bitmap_gpio_int |= BIT(offset); + + return my_chip->irq_base + offset; } int __init s5p_register_gpioint_bank(int chain_irq, int start, int nr_groups) diff --git a/arch/arm/plat-samsung/s5p-irq.c b/arch/arm/plat-samsung/s5p-irq.c index dfb47d638f0..103e371f5e3 100644 --- a/arch/arm/plat-samsung/s5p-irq.c +++ b/arch/arm/plat-samsung/s5p-irq.c @@ -13,8 +13,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> - -#include <asm/hardware/vic.h> +#include <linux/irqchip/arm-vic.h> #include <mach/map.h> #include <plat/regs-timer.h> diff --git a/arch/arm/plat-samsung/s5p-time.c b/arch/arm/plat-samsung/s5p-time.c index 028b6e877eb..e92510cf82e 100644 --- a/arch/arm/plat-samsung/s5p-time.c +++ b/arch/arm/plat-samsung/s5p-time.c @@ -274,15 +274,8 @@ static void __init s5p_clockevent_init(void) clock_rate = clk_get_rate(tin_event); clock_count_per_tick = clock_rate / HZ; - clockevents_calc_mult_shift(&time_event_device, - clock_rate, S5PTIMER_MIN_RANGE); - time_event_device.max_delta_ns = - clockevent_delta2ns(-1, &time_event_device); - time_event_device.min_delta_ns = - clockevent_delta2ns(1, &time_event_device); - time_event_device.cpumask = cpumask_of(0); - clockevents_register_device(&time_event_device); + clockevents_config_and_register(&time_event_device, clock_rate, 1, -1); irq_number = timer_source.event_id + IRQ_TIMER0; setup_irq(irq_number, &s5p_clock_event_irq); @@ -393,13 +386,9 @@ static void __init s5p_timer_resources(void) clk_enable(tin_source); } -static void __init s5p_timer_init(void) +void __init s5p_timer_init(void) { s5p_timer_resources(); s5p_clockevent_init(); s5p_clocksource_init(); } - -struct sys_timer s5p_timer = { - .init = s5p_timer_init, -}; diff --git a/arch/arm/plat-samsung/setup-camif.c b/arch/arm/plat-samsung/setup-camif.c new file mode 100644 index 00000000000..e01bf760af2 --- /dev/null +++ b/arch/arm/plat-samsung/setup-camif.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> + * + * Helper functions for S3C24XX/S3C64XX SoC series CAMIF driver + * + * 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/gpio.h> +#include <plat/gpio-cfg.h> + +/* Number of camera port pins, without FIELD */ +#define S3C_CAMIF_NUM_GPIOS 13 + +/* Default camera port configuration helpers. */ + +static void camif_get_gpios(int *gpio_start, int *gpio_reset) +{ +#ifdef CONFIG_ARCH_S3C24XX + *gpio_start = S3C2410_GPJ(0); + *gpio_reset = S3C2410_GPJ(12); +#else + /* s3c64xx */ + *gpio_start = S3C64XX_GPF(0); + *gpio_reset = S3C64XX_GPF(3); +#endif +} + +int s3c_camif_gpio_get(void) +{ + int gpio_start, gpio_reset; + int ret, i; + + camif_get_gpios(&gpio_start, &gpio_reset); + + for (i = 0; i < S3C_CAMIF_NUM_GPIOS; i++) { + int gpio = gpio_start + i; + + if (gpio == gpio_reset) + continue; + + ret = gpio_request(gpio, "camif"); + if (!ret) + ret = s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + if (ret) { + pr_err("failed to configure GPIO %d\n", gpio); + for (--i; i >= 0; i--) + gpio_free(gpio--); + return ret; + } + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + return 0; +} + +void s3c_camif_gpio_put(void) +{ + int i, gpio_start, gpio_reset; + + camif_get_gpios(&gpio_start, &gpio_reset); + + for (i = 0; i < S3C_CAMIF_NUM_GPIOS; i++) { + int gpio = gpio_start + i; + if (gpio != gpio_reset) + gpio_free(gpio); + } +} diff --git a/arch/arm/plat-samsung/time.c b/arch/arm/plat-samsung/time.c index 60552e22f22..73defd00c3e 100644 --- a/arch/arm/plat-samsung/time.c +++ b/arch/arm/plat-samsung/time.c @@ -27,6 +27,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/platform_device.h> +#include <linux/syscore_ops.h> #include <asm/mach-types.h> @@ -95,7 +96,7 @@ static inline unsigned long timer_ticks_to_usec(unsigned long ticks) * IRQs are disabled before entering here from do_gettimeofday() */ -static unsigned long s3c2410_gettimeoffset (void) +static u32 s3c2410_gettimeoffset(void) { unsigned long tdone; unsigned long tval; @@ -120,7 +121,7 @@ static unsigned long s3c2410_gettimeoffset (void) tdone += timer_startval; } - return timer_ticks_to_usec(tdone); + return timer_ticks_to_usec(tdone) * 1000; } @@ -271,15 +272,16 @@ static void __init s3c2410_timer_resources(void) clk_enable(tin); } -static void __init s3c2410_timer_init(void) +static struct syscore_ops s3c24xx_syscore_ops = { + .resume = s3c2410_timer_setup, +}; + +void __init s3c24xx_timer_init(void) { + arch_gettimeoffset = s3c2410_gettimeoffset; + s3c2410_timer_resources(); s3c2410_timer_setup(); setup_irq(IRQ_TIMER4, &s3c2410_timer_irq); + register_syscore_ops(&s3c24xx_syscore_ops); } - -struct sys_timer s3c24xx_timer = { - .init = s3c2410_timer_init, - .offset = s3c2410_gettimeoffset, - .resume = s3c2410_timer_setup -}; |