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-rw-r--r--arch/arm/plat-samsung/Kconfig47
-rw-r--r--arch/arm/plat-samsung/Makefile11
-rw-r--r--arch/arm/plat-samsung/include/plat/dma-s3c24xx.h5
-rw-r--r--arch/arm/plat-samsung/include/plat/pm.h5
-rw-r--r--arch/arm/plat-samsung/init.c8
-rw-r--r--arch/arm/plat-samsung/pm-gpio.c5
-rw-r--r--arch/arm/plat-samsung/pm.c8
-rw-r--r--arch/arm/plat-samsung/s5p-dev-mfc.c11
8 files changed, 72 insertions, 28 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index ec68155a8bf1..3dc5cbea86cc 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -6,7 +6,7 @@
config PLAT_SAMSUNG
bool
- depends on PLAT_S3C24XX || ARCH_S3C64XX || PLAT_S5P
+ depends on PLAT_S3C24XX || ARCH_S3C64XX || PLAT_S5P || ARCH_EXYNOS
default y
select GENERIC_IRQ_CHIP
select NO_IOPORT
@@ -15,12 +15,10 @@ config PLAT_SAMSUNG
config PLAT_S5P
bool
- depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
+ depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
default y
select ARCH_REQUIRE_GPIOLIB
- select ARM_GIC if ARCH_EXYNOS
- select ARM_VIC if !ARCH_EXYNOS
- select GIC_NON_BANKED if ARCH_EXYNOS4
+ select ARM_VIC
select NO_IOPORT
select PLAT_SAMSUNG
select S3C_GPIO_TRACK
@@ -60,6 +58,20 @@ config S3C_LOWLEVEL_UART_PORT
this configuration should be between zero and two. The port
must have been initialised by the boot-loader before use.
+config SAMSUNG_ATAGS
+ def_bool n
+ depends on !ARCH_MULTIPLATFORM
+ depends on ATAGS
+ help
+ This option enables ATAGS based boot support code for
+ Samsung platforms, including static platform devices, legacy
+ clock, timer and interrupt initialization, etc.
+
+ Platforms that support only DT based boot need not to select
+ this option.
+
+if SAMSUNG_ATAGS
+
# timer options
config SAMSUNG_HRT
@@ -367,11 +379,6 @@ config S5P_DEV_JPEG
help
Compile in platform device definitions for JPEG codec
-config S5P_DEV_MFC
- bool
- help
- Compile in setup memory (init) code for MFC
-
config S5P_DEV_ONENAND
bool
help
@@ -412,6 +419,21 @@ config S3C_DMA
help
Internal configuration for S3C DMA core
+config S5P_IRQ_PM
+ bool
+ default y if S5P_PM
+ help
+ Legacy IRQ power management for S5P platforms
+
+config SAMSUNG_PM_GPIO
+ bool
+ default y if GPIO_SAMSUNG && PM
+ help
+ Include legacy GPIO power management code for platforms not using
+ pinctrl-samsung driver.
+
+endif
+
config SAMSUNG_DMADEV
bool
select ARM_AMBA
@@ -421,6 +443,11 @@ config SAMSUNG_DMADEV
help
Use DMA device engine for PL330 DMAC.
+config S5P_DEV_MFC
+ bool
+ help
+ Compile in setup memory (init) code for MFC
+
comment "Power management"
config SAMSUNG_PM_DEBUG
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 03cea140cfd0..98d07d8fc7a7 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -31,10 +31,10 @@ obj-$(CONFIG_S3C_ADC) += adc.o
# devices
-obj-y += platformdata.o
+obj-$(CONFIG_SAMSUNG_ATAGS) += platformdata.o
-obj-y += devs.o
-obj-y += dev-uart.o
+obj-$(CONFIG_SAMSUNG_ATAGS) += devs.o
+obj-$(CONFIG_SAMSUNG_ATAGS) += dev-uart.o
obj-$(CONFIG_S5P_DEV_MFC) += s5p-dev-mfc.o
obj-$(CONFIG_S5P_DEV_UART) += s5p-dev-uart.o
@@ -52,11 +52,12 @@ obj-$(CONFIG_SAMSUNG_DMADEV) += dma-ops.o
# PM support
obj-$(CONFIG_PM) += pm.o
-obj-$(CONFIG_PM) += pm-gpio.o
+obj-$(CONFIG_SAMSUNG_PM_GPIO) += pm-gpio.o
obj-$(CONFIG_SAMSUNG_PM_CHECK) += pm-check.o
obj-$(CONFIG_SAMSUNG_WAKEMASK) += wakeup-mask.o
obj-$(CONFIG_SAMSUNG_WDT_RESET) += watchdog-reset.o
-obj-$(CONFIG_S5P_PM) += s5p-pm.o s5p-irq-pm.o
+obj-$(CONFIG_S5P_PM) += s5p-pm.o
+obj-$(CONFIG_S5P_IRQ_PM) += s5p-irq-pm.o
obj-$(CONFIG_S5P_SLEEP) += s5p-sleep.o
diff --git a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
index d01576318b2c..bd3a6db14cbb 100644
--- a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
+++ b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
@@ -28,7 +28,6 @@ struct s3c24xx_dma_map {
const char *name;
unsigned long channels[S3C_DMA_CHANNELS];
- unsigned long channels_rx[S3C_DMA_CHANNELS];
};
struct s3c24xx_dma_selection {
@@ -38,10 +37,6 @@ struct s3c24xx_dma_selection {
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 dma_data_direction dir);
};
extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel);
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index f6fcadeee969..5d47ca35cabd 100644
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -166,6 +166,7 @@ extern void s3c_pm_check_store(void);
*/
extern void s3c_pm_configure_extint(void);
+#ifdef CONFIG_GPIO_SAMSUNG
/**
* samsung_pm_restore_gpios() - restore the state of the gpios after sleep.
*
@@ -181,6 +182,10 @@ extern void samsung_pm_restore_gpios(void);
* Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios().
*/
extern void samsung_pm_save_gpios(void);
+#else
+static inline void samsung_pm_restore_gpios(void) {}
+static inline void samsung_pm_save_gpios(void) {}
+#endif
extern void s3c_pm_save_core(void);
extern void s3c_pm_restore_core(void);
diff --git a/arch/arm/plat-samsung/init.c b/arch/arm/plat-samsung/init.c
index 79d10fca9090..3e5c4619caa5 100644
--- a/arch/arm/plat-samsung/init.c
+++ b/arch/arm/plat-samsung/init.c
@@ -87,7 +87,7 @@ void __init s3c24xx_init_clocks(int xtal)
}
/* uart management */
-
+#if IS_ENABLED(CONFIG_SAMSUNG_ATAGS)
static int nr_uarts __initdata = 0;
static struct s3c2410_uartcfg uart_cfgs[CONFIG_SERIAL_SAMSUNG_UARTS];
@@ -134,11 +134,12 @@ void __init s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no)
if (cpu == NULL)
return;
- if (cpu->init_uarts == NULL) {
+ if (cpu->init_uarts == NULL && IS_ENABLED(CONFIG_SAMSUNG_ATAGS)) {
printk(KERN_ERR "s3c24xx_init_uarts: cpu has no uart init\n");
} else
(cpu->init_uarts)(cfg, no);
}
+#endif
static int __init s3c_arch_init(void)
{
@@ -152,8 +153,9 @@ static int __init s3c_arch_init(void)
ret = (cpu->init)();
if (ret != 0)
return ret;
-
+#if IS_ENABLED(CONFIG_SAMSUNG_ATAGS)
ret = platform_add_devices(s3c24xx_uart_devs, nr_uarts);
+#endif
return ret;
}
diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c
index c2ff92c30bdf..a8de3cfe2ee1 100644
--- a/arch/arm/plat-samsung/pm-gpio.c
+++ b/arch/arm/plat-samsung/pm-gpio.c
@@ -192,7 +192,8 @@ struct samsung_gpio_pm samsung_gpio_pm_2bit = {
.resume = samsung_gpio_pm_2bit_resume,
};
-#if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P)
+#if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P) \
+ || defined(CONFIG_ARCH_EXYNOS)
static void samsung_gpio_pm_4bit_save(struct samsung_gpio_chip *chip)
{
chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON);
@@ -302,7 +303,7 @@ struct samsung_gpio_pm samsung_gpio_pm_4bit = {
.save = samsung_gpio_pm_4bit_save,
.resume = samsung_gpio_pm_4bit_resume,
};
-#endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */
+#endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P || CONFIG_ARCH_EXYNOS */
/**
* samsung_pm_save_gpio() - save gpio chip data for suspend
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index bd7124c87fea..ea3613642451 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -22,13 +22,17 @@
#include <asm/cacheflush.h>
#include <asm/suspend.h>
-#include <mach/hardware.h>
-#include <mach/map.h>
#include <plat/regs-serial.h>
+
+#ifdef CONFIG_SAMSUNG_ATAGS
+#include <mach/hardware.h>
+#include <mach/map.h>
#include <mach/regs-clock.h>
#include <mach/regs-irq.h>
#include <mach/irqs.h>
+#endif
+
#include <asm/irq.h>
#include <plat/pm.h>
diff --git a/arch/arm/plat-samsung/s5p-dev-mfc.c b/arch/arm/plat-samsung/s5p-dev-mfc.c
index a93fb6fb6606..ad51f85fbd01 100644
--- a/arch/arm/plat-samsung/s5p-dev-mfc.c
+++ b/arch/arm/plat-samsung/s5p-dev-mfc.c
@@ -17,10 +17,12 @@
#include <linux/of_fdt.h>
#include <linux/of.h>
+#include <plat/mfc.h>
+
+#ifdef CONFIG_SAMSUNG_ATAGS
#include <mach/map.h>
#include <mach/irqs.h>
#include <plat/devs.h>
-#include <plat/mfc.h>
static struct resource s5p_mfc_resource[] = {
[0] = DEFINE_RES_MEM(S5P_PA_MFC, SZ_64K),
@@ -61,6 +63,10 @@ struct platform_device s5p_device_mfc_r = {
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
+#else
+static struct platform_device s5p_device_mfc_l;
+static struct platform_device s5p_device_mfc_r;
+#endif
struct s5p_mfc_reserved_mem {
phys_addr_t base;
@@ -70,6 +76,7 @@ struct s5p_mfc_reserved_mem {
static struct s5p_mfc_reserved_mem s5p_mfc_mem[2] __initdata;
+
void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize,
phys_addr_t lbase, unsigned int lsize)
{
@@ -93,6 +100,7 @@ void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize,
}
}
+#ifdef CONFIG_SAMSUNG_ATAGS
static int __init s5p_mfc_memory_init(void)
{
int i;
@@ -111,6 +119,7 @@ static int __init s5p_mfc_memory_init(void)
return 0;
}
device_initcall(s5p_mfc_memory_init);
+#endif
#ifdef CONFIG_OF
int __init s5p_fdt_find_mfc_mem(unsigned long node, const char *uname,