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authorOlof Johansson <olof@lixom.net>2013-04-28 12:03:33 -0700
committerOlof Johansson <olof@lixom.net>2013-04-28 12:03:33 -0700
commit6cae0fafe33254c52f19dbf90854cbf22b82fc96 (patch)
treed8303da2c0885cffecd269643dac6c9917e4d46e /arch/arm/mach-exynos/common.c
parentMerge branch 'samsung/pinctrl-exynos' into late/dt (diff)
parentARM: dts: add PDMA0 changes for exynos5440 (diff)
downloadlinux-dev-6cae0fafe33254c52f19dbf90854cbf22b82fc96.tar.xz
linux-dev-6cae0fafe33254c52f19dbf90854cbf22b82fc96.zip
Merge branch 'exynos/dt' into late/dt
* exynos/dt: (125 commits) ARM: dts: add PDMA0 changes for exynos5440 ARM: dts: Add cpufreq controller node for Exynos5440 SoC ARM: dts: Fix gmac clock ids due to changes in Exynos5440 ARM: dts: add device tree file for SD5v1 board ARM: dts: update bootargs to boot from sda2 for exynos5440-ssdk5440 ARM: dts: add PMU support in exynos5440 ARM: dts: Add node for GMAC for exynos5440 ARM: dts: list the interrupts generated by pin-controller on Exynos5440 ARM: dts: Add FIMD DT binding Documentation ARM: dts: Add FIMD node and display timing node to exynos4412-origen.dts ARM: dts: Add FIMD node to exynos4 ARM: dts: Add SYSREG block node for S5P/Exynos4 SoC series ARM: dts: Add display timing node to exynos5250-smdk5250.dts ARM: dts: Add FIMD node to exynos5 ARM: dts: Add virtual GIC DT bindings for exynos5440 ARM: dts: Document usb clocks in samsung,exynos4210-ehci/ohci bindings ARM: dts: add usb 2.0 clock references to exynos5250 device tree ARM: dts: Add architected timer nodes for exynos5250 ARM: dts: Declare the gic as a15 compatible for exynos5250 ARM: dts: Add HDMI HPD and regulator node for Arndale board ...
Diffstat (limited to 'arch/arm/mach-exynos/common.c')
-rw-r--r--arch/arm/mach-exynos/common.c59
1 files changed, 17 insertions, 42 deletions
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index bdd957978d9b..d3efd6768ff8 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -25,6 +25,8 @@
#include <linux/irqdomain.h>
#include <linux/irqchip.h>
#include <linux/of_address.h>
+#include <linux/clocksource.h>
+#include <linux/clk-provider.h>
#include <linux/irqchip/arm-gic.h>
#include <asm/proc-fns.h>
@@ -39,7 +41,6 @@
#include <mach/regs-gpio.h>
#include <plat/cpu.h>
-#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/pm.h>
#include <plat/sdhci.h>
@@ -65,17 +66,16 @@ static const char name_exynos5440[] = "EXYNOS5440";
static void exynos4_map_io(void);
static void exynos5_map_io(void);
static void exynos5440_map_io(void);
-static void exynos4_init_clocks(int xtal);
-static void exynos5_init_clocks(int xtal);
static void exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no);
static int exynos_init(void);
+unsigned long xxti_f = 0, xusbxti_f = 0;
+
static struct cpu_table cpu_ids[] __initdata = {
{
.idcode = EXYNOS4210_CPU_ID,
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
- .init_clocks = exynos4_init_clocks,
.init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4210,
@@ -83,7 +83,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = EXYNOS4212_CPU_ID,
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
- .init_clocks = exynos4_init_clocks,
.init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4212,
@@ -91,7 +90,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = EXYNOS4412_CPU_ID,
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
- .init_clocks = exynos4_init_clocks,
.init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4412,
@@ -99,7 +97,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = EXYNOS5250_SOC_ID,
.idmask = EXYNOS5_SOC_MASK,
.map_io = exynos5_map_io,
- .init_clocks = exynos5_init_clocks,
.init = exynos_init,
.name = name_exynos5250,
}, {
@@ -257,11 +254,6 @@ static struct map_desc exynos5_iodesc[] __initdata = {
.length = SZ_4K,
.type = MT_DEVICE,
}, {
- .virtual = (unsigned long)S5P_VA_SYSTIMER,
- .pfn = __phys_to_pfn(EXYNOS5_PA_SYSTIMER),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
.virtual = (unsigned long)S5P_VA_SYSRAM,
.pfn = __phys_to_pfn(EXYNOS5_PA_SYSRAM),
.length = SZ_4K,
@@ -402,43 +394,26 @@ static void __init exynos5_map_io(void)
iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc));
}
-static void __init exynos4_init_clocks(int xtal)
-{
- printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
-
- s3c24xx_register_baseclocks(xtal);
- s5p_register_clocks(xtal);
-
- if (soc_is_exynos4210())
- exynos4210_register_clocks();
- else if (soc_is_exynos4212() || soc_is_exynos4412())
- exynos4212_register_clocks();
-
- exynos4_register_clocks();
- exynos4_setup_clocks();
-}
-
static void __init exynos5440_map_io(void)
{
iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0));
}
-static void __init exynos5_init_clocks(int xtal)
+void __init exynos_init_time(void)
{
- printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
-
- /* EXYNOS5440 can support only common clock framework */
-
- if (soc_is_exynos5440())
- return;
-
-#ifdef CONFIG_SOC_EXYNOS5250
- s3c24xx_register_baseclocks(xtal);
- s5p_register_clocks(xtal);
-
- exynos5_register_clocks();
- exynos5_setup_clocks();
+ if (of_have_populated_dt()) {
+#ifdef CONFIG_OF
+ of_clk_init(NULL);
+ clocksource_of_init();
#endif
+ } else {
+ /* todo: remove after migrating legacy E4 platforms to dt */
+#ifdef CONFIG_ARCH_EXYNOS4
+ exynos4_clk_init(NULL);
+ exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f);
+#endif
+ mct_init();
+ }
}
void __init exynos4_init_irq(void)