diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/core.c | 45 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/include/mach/clkdev.h | 26 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_ap.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_cp.c | 63 | ||||
| -rw-r--r-- | arch/arm/plat-versatile/Kconfig | 3 | ||||
| -rw-r--r-- | arch/arm/plat-versatile/Makefile | 2 |
7 files changed, 18 insertions, 136 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c598537..6f8cf40 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -254,8 +254,8 @@ config ARCH_INTEGRATOR bool "ARM Ltd. Integrator family" select ARM_AMBA select ARCH_HAS_CPUFREQ - select CLKDEV_LOOKUP - select HAVE_MACH_CLKDEV + select COMMON_CLK + select CLK_VERSATILE select HAVE_TCM select ICST select GENERIC_CLOCKEVENTS @@ -277,6 +277,7 @@ config ARCH_REALVIEW select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB select PLAT_VERSATILE + select PLAT_VERSATILE_CLOCK select PLAT_VERSATILE_CLCD select ARM_TIMER_SP804 select GPIO_PL061 if GPIOLIB @@ -295,6 +296,7 @@ config ARCH_VERSATILE select ARCH_WANT_OPTIONAL_GPIOLIB select NEED_MACH_IO_H if PCI select PLAT_VERSATILE + select PLAT_VERSATILE_CLOCK select PLAT_VERSATILE_CLCD select PLAT_VERSATILE_FPGA_IRQ select ARM_TIMER_SP804 @@ -314,6 +316,7 @@ config ARCH_VEXPRESS select ICST select NO_IOPORT select PLAT_VERSATILE + select PLAT_VERSATILE_CLOCK select PLAT_VERSATILE_CLCD help This enables support for the ARM Ltd Versatile Express boards. diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index 2a20bba..ebf680b 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -21,7 +21,6 @@ #include <linux/amba/bus.h> #include <linux/amba/serial.h> #include <linux/io.h> -#include <linux/clkdev.h> #include <mach/hardware.h> #include <mach/platform.h> @@ -61,50 +60,6 @@ static struct amba_device *amba_devs[] __initdata = { &kmi1_device, }; -/* - * These are fixed clocks. - */ -static struct clk clk24mhz = { - .rate = 24000000, -}; - -static struct clk uartclk = { - .rate = 14745600, -}; - -static struct clk dummy_apb_pclk; - -static struct clk_lookup lookups[] = { - { /* Bus clock */ - .con_id = "apb_pclk", - .clk = &dummy_apb_pclk, - }, { - /* Integrator/AP timer frequency */ - .dev_id = "ap_timer", - .clk = &clk24mhz, - }, { /* UART0 */ - .dev_id = "uart0", - .clk = &uartclk, - }, { /* UART1 */ - .dev_id = "uart1", - .clk = &uartclk, - }, { /* KMI0 */ - .dev_id = "kmi0", - .clk = &clk24mhz, - }, { /* KMI1 */ - .dev_id = "kmi1", - .clk = &clk24mhz, - }, { /* MMCI - IntegratorCP */ - .dev_id = "mmci", - .clk = &uartclk, - } -}; - -void __init integrator_init_early(void) -{ - clkdev_add_table(lookups, ARRAY_SIZE(lookups)); -} - static int __init integrator_init(void) { int i; diff --git a/arch/arm/mach-integrator/include/mach/clkdev.h b/arch/arm/mach-integrator/include/mach/clkdev.h deleted file mode 100644 index bfe0767..0000000 --- a/arch/arm/mach-integrator/include/mach/clkdev.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef __ASM_MACH_CLKDEV_H -#define __ASM_MACH_CLKDEV_H - -#include <linux/module.h> -#include <plat/clock.h> - -struct clk { - unsigned long rate; - const struct clk_ops *ops; - struct module *owner; - const struct icst_params *params; - void __iomem *vcoreg; - void *data; -}; - -static inline int __clk_get(struct clk *clk) -{ - return try_module_get(clk->owner); -} - -static inline void __clk_put(struct clk *clk) -{ - module_put(clk->owner); -} - -#endif diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index c857501..7b1055c 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -33,6 +33,7 @@ #include <linux/io.h> #include <linux/mtd/physmap.h> #include <linux/clk.h> +#include <linux/platform_data/clk-integrator.h> #include <video/vga.h> #include <mach/hardware.h> @@ -174,6 +175,7 @@ static void __init ap_init_irq(void) fpga_irq_init(VA_IC_BASE, "SC", IRQ_PIC_START, -1, INTEGRATOR_SC_VALID_INT, NULL); + integrator_clk_init(false); } #ifdef CONFIG_PM @@ -440,6 +442,10 @@ static void integrator_clockevent_init(unsigned long inrate) 0xffffU); } +void __init ap_init_early(void) +{ +} + /* * Set up timer(s). */ @@ -471,7 +477,7 @@ MACHINE_START(INTEGRATOR, "ARM-Integrator") .reserve = integrator_reserve, .map_io = ap_map_io, .nr_irqs = NR_IRQS_INTEGRATOR_AP, - .init_early = integrator_init_early, + .init_early = ap_init_early, .init_irq = ap_init_irq, .handle_irq = fpga_handle_irq, .timer = &ap_timer, diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index a8c6480..82d5c83 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -21,8 +21,8 @@ #include <linux/amba/mmci.h> #include <linux/io.h> #include <linux/gfp.h> -#include <linux/clkdev.h> #include <linux/mtd/physmap.h> +#include <linux/platform_data/clk-integrator.h> #include <mach/hardware.h> #include <mach/platform.h> @@ -171,65 +171,10 @@ static void __init intcp_init_irq(void) fpga_irq_init(INTCP_VA_SIC_BASE, "SIC", IRQ_SIC_START, IRQ_CP_CPPLDINT, sic_mask, NULL); + integrator_clk_init(true); } /* - * Clock handling - */ -#define CM_LOCK (__io_address(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_LOCK_OFFSET) -#define CM_AUXOSC (__io_address(INTEGRATOR_HDR_BASE)+0x1c) - -static const struct icst_params cp_auxvco_params = { - .ref = 24000000, - .vco_max = ICST525_VCO_MAX_5V, - .vco_min = ICST525_VCO_MIN, - .vd_min = 8, - .vd_max = 263, - .rd_min = 3, - .rd_max = 65, - .s2div = icst525_s2div, - .idx2s = icst525_idx2s, -}; - -static void cp_auxvco_set(struct clk *clk, struct icst_vco vco) -{ - u32 val; - - val = readl(clk->vcoreg) & ~0x7ffff; - val |= vco.v | (vco.r << 9) | (vco.s << 16); - - writel(0xa05f, CM_LOCK); - writel(val, clk->vcoreg); - writel(0, CM_LOCK); -} - -static const struct clk_ops cp_auxclk_ops = { - .round = icst_clk_round, - .set = icst_clk_set, - .setvco = cp_auxvco_set, -}; - -static struct clk cp_auxclk = { - .ops = &cp_auxclk_ops, - .params = &cp_auxvco_params, - .vcoreg = CM_AUXOSC, -}; - -static struct clk sp804_clk = { - .rate = 1000000, -}; - -static struct clk_lookup cp_lookups[] = { - { /* CLCD */ - .dev_id = "clcd", - .clk = &cp_auxclk, - }, { /* SP804 timers */ - .dev_id = "sp804", - .clk = &sp804_clk, - }, -}; - -/* * Flash handling. */ static int intcp_flash_init(struct platform_device *dev) @@ -406,10 +351,6 @@ static struct amba_device *amba_devs[] __initdata = { static void __init intcp_init_early(void) { - clkdev_add_table(cp_lookups, ARRAY_SIZE(cp_lookups)); - - integrator_init_early(); - #ifdef CONFIG_PLAT_VERSATILE_SCHED_CLOCK versatile_sched_clock_init(REFCOUNTER, 24000000); #endif diff --git a/arch/arm/plat-versatile/Kconfig b/arch/arm/plat-versatile/Kconfig index 81ee7cc..8d5c10a 100644 --- a/arch/arm/plat-versatile/Kconfig +++ b/arch/arm/plat-versatile/Kconfig @@ -1,5 +1,8 @@ if PLAT_VERSATILE +config PLAT_VERSATILE_CLOCK + bool + config PLAT_VERSATILE_CLCD bool diff --git a/arch/arm/plat-versatile/Makefile b/arch/arm/plat-versatile/Makefile index a5cb194..272769a8 100644 --- a/arch/arm/plat-versatile/Makefile +++ b/arch/arm/plat-versatile/Makefile @@ -1,4 +1,4 @@ -obj-y := clock.o +obj-$(CONFIG_PLAT_VERSATILE_CLOCK) += clock.o obj-$(CONFIG_PLAT_VERSATILE_CLCD) += clcd.o obj-$(CONFIG_PLAT_VERSATILE_FPGA_IRQ) += fpga-irq.o obj-$(CONFIG_PLAT_VERSATILE_LEDS) += leds.o |
