Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-10-27 07:16:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

ARM: realview: use new init_early for clock tree and sched_clock init

Browse Source 
Initialize the clock tree and our sched_clock() early.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-01-11 13:05:01 +00:00
parent ad3bb19c5b
commit 631e55f966
7 changed files with 12 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
arch/arm/mach-realview/core.c
View File

@ -360,18 +360,19 @@ static struct clk_lookup lookups[] = {
}
};
static int __init clk_init(void)
void __init realview_init_early(void)
{
void __iomem *sys = __io_address(REALVIEW_SYS_BASE);
if (machine_is_realview_pb1176())
oscvco_clk.vcoreg = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_OSC0_OFFSET;
oscvco_clk.vcoreg = sys + REALVIEW_SYS_OSC0_OFFSET;
else
oscvco_clk.vcoreg = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_OSC4_OFFSET;
oscvco_clk.vcoreg = sys + REALVIEW_SYS_OSC4_OFFSET;
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
return 0;
versatile_sched_clock_init(sys + REALVIEW_SYS_24MHz_OFFSET, 24000000);
}
core_initcall(clk_init);
/*
* CLCD support.
@ -509,12 +510,6 @@ void realview_leds_event(led_event_t ledevt)
}
#endif /* CONFIG_LEDS */
/*
* The sched_clock counter
*/
#define REFCOUNTER (__io_address(REALVIEW_SYS_BASE) + \
REALVIEW_SYS_24MHz_OFFSET)
/*
* Where is the timer (VA)?
*/
@ -530,8 +525,6 @@ void __init realview_timer_init(unsigned int timer_irq)
{
u32 val;
versatile_sched_clock_init(REFCOUNTER, 24000000);
/*
* set clock frequency:
* REALVIEW_REFCLK is 32KHz

1
arch/arm/mach-realview/core.h
View File

@ -63,6 +63,7 @@ extern void realview_timer_init(unsigned int timer_irq);
extern int realview_flash_register(struct resource *res, u32 num);
extern int realview_eth_register(const char *name, struct resource *res);
extern int realview_usb_register(struct resource *res);
extern void realview_init_early(void);
extern void realview_fixup(struct machine_desc *mdesc, struct tag *tags,
char **from, struct meminfo *meminfo);
extern void (*realview_reset)(char);

1
arch/arm/mach-realview/realview_eb.c
View File

@ -487,6 +487,7 @@ MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
.boot_params = PHYS_OFFSET + 0x00000100,
.fixup = realview_fixup,
.map_io = realview_eb_map_io,
.init_early = realview_init_early,
.init_irq = gic_init_irq,
.timer = &realview_eb_timer,
.init_machine = realview_eb_init,

1
arch/arm/mach-realview/realview_pb1176.c
View File

@ -382,6 +382,7 @@ MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
.boot_params = PHYS_OFFSET + 0x00000100,
.fixup = realview_pb1176_fixup,
.map_io = realview_pb1176_map_io,
.init_early = realview_init_early,
.init_irq = gic_init_irq,
.timer = &realview_pb1176_timer,
.init_machine = realview_pb1176_init,

1
arch/arm/mach-realview/realview_pb11mp.c
View File

@ -384,6 +384,7 @@ MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
.boot_params = PHYS_OFFSET + 0x00000100,
.fixup = realview_fixup,
.map_io = realview_pb11mp_map_io,
.init_early = realview_init_early,
.init_irq = gic_init_irq,
.timer = &realview_pb11mp_timer,
.init_machine = realview_pb11mp_init,

1
arch/arm/mach-realview/realview_pba8.c
View File

@ -334,6 +334,7 @@ MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8")
.boot_params = PHYS_OFFSET + 0x00000100,
.fixup = realview_fixup,
.map_io = realview_pba8_map_io,
.init_early = realview_init_early,
.init_irq = gic_init_irq,
.timer = &realview_pba8_timer,
.init_machine = realview_pba8_init,

1
arch/arm/mach-realview/realview_pbx.c
View File

@ -417,6 +417,7 @@ MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
.boot_params = PHYS_OFFSET + 0x00000100,
.fixup = realview_pbx_fixup,
.map_io = realview_pbx_map_io,
.init_early = realview_init_early,
.init_irq = gic_init_irq,
.timer = &realview_pbx_timer,
.init_machine = realview_pbx_init,