microsoft
/
WSL2-Linux-Kernel
зеркало из https://github.com/microsoft/WSL2-Linux-Kernel.git
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Merge branch 'devel-timer' into devel-cleanup

This commit is contained in:
Tony Lindgren 2011-06-29 03:35:18 -07:00
Родитель bafe2721a0 0f622e8cae
Коммит 332acd9e53
60 изменённых файлов: 749 добавлений и 670 удалений
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4
arch/arm/mach-omap1/board-ams-delta.c
Просмотреть файл

@ -138,7 +138,7 @@ void ams_delta_latch2_write(u16 mask, u16 value)
static void __init ams_delta_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static struct map_desc ams_delta_io_desc[] __initdata = {
@ -391,7 +391,7 @@ MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
.reserve = omap_reserve,
.init_irq = ams_delta_init_irq,
.init_machine = ams_delta_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END
EXPORT_SYMBOL(ams_delta_latch1_write);

4
arch/arm/mach-omap1/board-fsample.c
Просмотреть файл

@ -329,7 +329,7 @@ static void __init omap_fsample_init(void)
static void __init omap_fsample_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
/* Only FPGA needs to be mapped here. All others are done with ioremap */
@ -394,5 +394,5 @@ MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
.reserve = omap_reserve,
.init_irq = omap_fsample_init_irq,
.init_machine = omap_fsample_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-generic.c
Просмотреть файл

@ -31,7 +31,7 @@
static void __init omap_generic_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
/* assume no Mini-AB port */
@ -99,5 +99,5 @@ MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
.reserve = omap_reserve,
.init_irq = omap_generic_init_irq,
.init_machine = omap_generic_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-h2.c
Просмотреть файл

@ -376,7 +376,7 @@ static struct i2c_board_info __initdata h2_i2c_board_info[] = {
static void __init h2_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static struct omap_usb_config h2_usb_config __initdata = {
@ -466,5 +466,5 @@ MACHINE_START(OMAP_H2, "TI-H2")
.reserve = omap_reserve,
.init_irq = h2_init_irq,
.init_machine = h2_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-h3.c
Просмотреть файл

@ -439,7 +439,7 @@ static void __init h3_init(void)
static void __init h3_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static void __init h3_map_io(void)
@ -454,5 +454,5 @@ MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
.reserve = omap_reserve,
.init_irq = h3_init_irq,
.init_machine = h3_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-htcherald.c
Просмотреть файл

@ -605,7 +605,7 @@ static void __init htcherald_init_irq(void)
{
printk(KERN_INFO "htcherald_init_irq.\n");
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
MACHINE_START(HERALD, "HTC Herald")
@ -616,5 +616,5 @@ MACHINE_START(HERALD, "HTC Herald")
.reserve = omap_reserve,
.init_irq = htcherald_init_irq,
.init_machine = htcherald_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-innovator.c
Просмотреть файл

@ -292,7 +292,7 @@ static void __init innovator_init_smc91x(void)
static void __init innovator_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
#ifdef CONFIG_ARCH_OMAP15XX
@ -464,5 +464,5 @@ MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
.reserve = omap_reserve,
.init_irq = innovator_init_irq,
.init_machine = innovator_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-nokia770.c
Просмотреть файл

@ -51,7 +51,7 @@ static void __init omap_nokia770_init_irq(void)
omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static const unsigned int nokia770_keymap[] = {
@ -269,5 +269,5 @@ MACHINE_START(NOKIA770, "Nokia 770")
.reserve = omap_reserve,
.init_irq = omap_nokia770_init_irq,
.init_machine = omap_nokia770_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-osk.c
Просмотреть файл

@ -282,7 +282,7 @@ static void __init osk_init_cf(void)
static void __init osk_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static struct omap_usb_config osk_usb_config __initdata = {
@ -588,5 +588,5 @@ MACHINE_START(OMAP_OSK, "TI-OSK")
.reserve = omap_reserve,
.init_irq = osk_init_irq,
.init_machine = osk_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-palmte.c
Просмотреть файл

@ -62,7 +62,7 @@
static void __init omap_palmte_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static const unsigned int palmte_keymap[] = {
@ -280,5 +280,5 @@ MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
.reserve = omap_reserve,
.init_irq = omap_palmte_init_irq,
.init_machine = omap_palmte_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-palmtt.c
Просмотреть файл

@ -266,7 +266,7 @@ static struct spi_board_info __initdata palmtt_boardinfo[] = {
static void __init omap_palmtt_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static struct omap_usb_config palmtt_usb_config __initdata = {
@ -326,5 +326,5 @@ MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
.reserve = omap_reserve,
.init_irq = omap_palmtt_init_irq,
.init_machine = omap_palmtt_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-palmz71.c
Просмотреть файл

@ -61,7 +61,7 @@ static void __init
omap_palmz71_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static const unsigned int palmz71_keymap[] = {
@ -346,5 +346,5 @@ MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
.reserve = omap_reserve,
.init_irq = omap_palmz71_init_irq,
.init_machine = omap_palmz71_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-perseus2.c
Просмотреть файл

@ -297,7 +297,7 @@ static void __init omap_perseus2_init(void)
static void __init omap_perseus2_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
/* Only FPGA needs to be mapped here. All others are done with ioremap */
static struct map_desc omap_perseus2_io_desc[] __initdata = {
@ -355,5 +355,5 @@ MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
.reserve = omap_reserve,
.init_irq = omap_perseus2_init_irq,
.init_machine = omap_perseus2_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-sx1.c
Просмотреть файл

@ -411,7 +411,7 @@ static void __init omap_sx1_init(void)
static void __init omap_sx1_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
/*----------------------------------------*/
@ -426,5 +426,5 @@ MACHINE_START(SX1, "OMAP310 based Siemens SX1")
.reserve = omap_reserve,
.init_irq = omap_sx1_init_irq,
.init_machine = omap_sx1_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

4
arch/arm/mach-omap1/board-voiceblue.c
Просмотреть файл

@ -162,7 +162,7 @@ static struct omap_board_config_kernel voiceblue_config[] = {
static void __init voiceblue_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap1_init_irq();
}
static void __init voiceblue_map_io(void)
@ -306,5 +306,5 @@ MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
.reserve = omap_reserve,
.init_irq = voiceblue_init_irq,
.init_machine = voiceblue_init,
.timer = &omap_timer,
.timer = &omap1_timer,
MACHINE_END

2
arch/arm/mach-omap1/irq.c
Просмотреть файл

@ -175,7 +175,7 @@ static struct irq_chip omap_irq_chip = {
.irq_set_wake = omap_wake_irq,
};
void __init omap_init_irq(void)
void __init omap1_init_irq(void)
{
int i, j;

6
arch/arm/mach-omap1/time.c
Просмотреть файл

@ -297,7 +297,7 @@ static inline int omap_32k_timer_usable(void)
* Timer initialization
* ---------------------------------------------------------------------------
*/
static void __init omap_timer_init(void)
static void __init omap1_timer_init(void)
{
if (omap_32k_timer_usable()) {
preferred_sched_clock_init(1);
@ -307,6 +307,6 @@ static void __init omap_timer_init(void)
}
}
struct sys_timer omap_timer = {
.init = omap_timer_init,
struct sys_timer omap1_timer = {
.init = omap1_timer_init,
};

4
arch/arm/mach-omap1/timer32k.c
Просмотреть файл

@ -183,10 +183,6 @@ static __init void omap_init_32k_timer(void)
bool __init omap_32k_timer_init(void)
{
omap_init_clocksource_32k();
#ifdef CONFIG_OMAP_DM_TIMER
omap_dm_timer_init();
#endif
omap_init_32k_timer();
return true;

2
arch/arm/mach-omap2/Makefile
Просмотреть файл

@ -3,7 +3,7 @@
#
# Common support
obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o pm.o \
obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \
common.o gpio.o dma.o wd_timer.o
omap-2-3-common = irq.o sdrc.o

4
arch/arm/mach-omap2/board-2430sdp.c
Просмотреть файл

@ -260,7 +260,7 @@ MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
.reserve = omap_reserve,
.map_io = omap_2430sdp_map_io,
.init_early = omap_2430sdp_init_early,
.init_irq = omap_init_irq,
.init_irq = omap2_init_irq,
.init_machine = omap_2430sdp_init,
.timer = &omap_timer,
.timer = &omap2_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-3430sdp.c
Просмотреть файл

@ -804,7 +804,7 @@ MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = omap_3430sdp_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap_3430sdp_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-3630sdp.c
Просмотреть файл

@ -219,7 +219,7 @@ MACHINE_START(OMAP_3630SDP, "OMAP 3630SDP board")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = omap_sdp_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap_sdp_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

6
arch/arm/mach-omap2/board-4430sdp.c
Просмотреть файл

@ -40,7 +40,6 @@
#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"
#include "control.h"
#include "common-board-devices.h"
@ -295,9 +294,6 @@ static void __init omap_4430sdp_init_early(void)
{
omap2_init_common_infrastructure();
omap2_init_common_devices(NULL, NULL);
#ifdef CONFIG_OMAP_32K_TIMER
omap2_gp_clockevent_set_gptimer(1);
#endif
}
static struct omap_musb_board_data musb_board_data = {
@ -768,5 +764,5 @@ MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
.init_early = omap_4430sdp_init_early,
.init_irq = gic_init_irq,
.init_machine = omap_4430sdp_init,
.timer = &omap_timer,
.timer = &omap4_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-am3517crane.c
Просмотреть файл

@ -104,7 +104,7 @@ MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = am3517_crane_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = am3517_crane_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-am3517evm.c
Просмотреть файл

@ -494,7 +494,7 @@ MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = am3517_evm_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = am3517_evm_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-apollon.c
Просмотреть файл

@ -354,7 +354,7 @@ MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
.reserve = omap_reserve,
.map_io = omap_apollon_map_io,
.init_early = omap_apollon_init_early,
.init_irq = omap_init_irq,
.init_irq = omap2_init_irq,
.init_machine = omap_apollon_init,
.timer = &omap_timer,
.timer = &omap2_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-cm-t35.c
Просмотреть файл

@ -642,7 +642,7 @@ MACHINE_START(CM_T35, "Compulab CM-T35")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = cm_t35_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = cm_t35_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-cm-t3517.c
Просмотреть файл

@ -303,7 +303,7 @@ MACHINE_START(CM_T3517, "Compulab CM-T3517")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = cm_t3517_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = cm_t3517_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

8
arch/arm/mach-omap2/board-devkit8000.c
Просмотреть файл

@ -58,7 +58,6 @@
#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"
#include "common-board-devices.h"
#define OMAP_DM9000_GPIO_IRQ 25
@ -440,10 +439,7 @@ static void __init devkit8000_init_early(void)
static void __init devkit8000_init_irq(void)
{
omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
omap2_gp_clockevent_set_gptimer(12);
#endif
omap3_init_irq();
}
#define OMAP_DM9000_BASE 0x2c000000
@ -709,5 +705,5 @@ MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000")
.init_early = devkit8000_init_early,
.init_irq = devkit8000_init_irq,
.init_machine = devkit8000_init,
.timer = &omap_timer,
.timer = &omap3_secure_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-generic.c
Просмотреть файл

@ -70,7 +70,7 @@ MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
.reserve = omap_reserve,
.map_io = omap_generic_map_io,
.init_early = omap_generic_init_early,
.init_irq = omap_init_irq,
.init_irq = omap2_init_irq,
.init_machine = omap_generic_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-h4.c
Просмотреть файл

@ -298,7 +298,7 @@ static void __init omap_h4_init_early(void)
static void __init omap_h4_init_irq(void)
{
omap_init_irq();
omap2_init_irq();
}
static struct at24_platform_data m24c01 = {
@ -388,5 +388,5 @@ MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
.init_early = omap_h4_init_early,
.init_irq = omap_h4_init_irq,
.init_machine = omap_h4_init,
.timer = &omap_timer,
.timer = &omap2_timer,
MACHINE_END

8
arch/arm/mach-omap2/board-igep0020.c
Просмотреть файл

@ -706,9 +706,9 @@ MACHINE_START(IGEP0020, "IGEP v2 board")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = igep_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = igep_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END
MACHINE_START(IGEP0030, "IGEP OMAP3 module")
@ -716,7 +716,7 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 module")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = igep_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = igep_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-ldp.c
Просмотреть файл

@ -348,7 +348,7 @@ MACHINE_START(OMAP_LDP, "OMAP LDP board")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = omap_ldp_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap_ldp_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

12
arch/arm/mach-omap2/board-n8x0.c
Просмотреть файл

@ -699,9 +699,9 @@ MACHINE_START(NOKIA_N800, "Nokia N800")
.reserve = omap_reserve,
.map_io = n8x0_map_io,
.init_early = n8x0_init_early,
.init_irq = omap_init_irq,
.init_irq = omap2_init_irq,
.init_machine = n8x0_init_machine,
.timer = &omap_timer,
.timer = &omap2_timer,
MACHINE_END
MACHINE_START(NOKIA_N810, "Nokia N810")
@ -709,9 +709,9 @@ MACHINE_START(NOKIA_N810, "Nokia N810")
.reserve = omap_reserve,
.map_io = n8x0_map_io,
.init_early = n8x0_init_early,
.init_irq = omap_init_irq,
.init_irq = omap2_init_irq,
.init_machine = n8x0_init_machine,
.timer = &omap_timer,
.timer = &omap2_timer,
MACHINE_END
MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
@ -719,7 +719,7 @@ MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
.reserve = omap_reserve,
.map_io = n8x0_map_io,
.init_early = n8x0_init_early,
.init_irq = omap_init_irq,
.init_irq = omap2_init_irq,
.init_machine = n8x0_init_machine,
.timer = &omap_timer,
.timer = &omap2_timer,
MACHINE_END

8
arch/arm/mach-omap2/board-omap3beagle.c
Просмотреть файл

@ -50,7 +50,6 @@
#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"
#include "pm.h"
#include "common-board-devices.h"
@ -483,10 +482,7 @@ static void __init omap3_beagle_init_early(void)
static void __init omap3_beagle_init_irq(void)
{
omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
omap2_gp_clockevent_set_gptimer(12);
#endif
omap3_init_irq();
}
static struct platform_device *omap3_beagle_devices[] __initdata = {
@ -596,5 +592,5 @@ MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
.init_early = omap3_beagle_init_early,
.init_irq = omap3_beagle_init_irq,
.init_machine = omap3_beagle_init,
.timer = &omap_timer,
.timer = &omap3_secure_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-omap3evm.c
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@ -739,7 +739,7 @@ MACHINE_START(OMAP3EVM, "OMAP3 EVM")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = omap3_evm_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap3_evm_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

9
arch/arm/mach-omap2/board-omap3logic.c
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@ -35,7 +35,6 @@
#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"
#include "control.h"
#include "common-board-devices.h"
@ -213,16 +212,16 @@ MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
.boot_params = 0x80000100,
.map_io = omap3_map_io,
.init_early = omap3logic_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap3logic_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END
MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
.boot_params = 0x80000100,
.map_io = omap3_map_io,
.init_early = omap3logic_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap3logic_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-omap3pandora.c
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@ -649,7 +649,7 @@ MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = omap3pandora_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap3pandora_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

8
arch/arm/mach-omap2/board-omap3stalker.c
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@ -52,7 +52,6 @@
#include "sdram-micron-mt46h32m32lf-6.h"
#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"
#include "common-board-devices.h"
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
@ -491,10 +490,7 @@ static void __init omap3_stalker_init_early(void)
static void __init omap3_stalker_init_irq(void)
{
omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
omap2_gp_clockevent_set_gptimer(12);
#endif
omap3_init_irq();
}
static struct platform_device *omap3_stalker_devices[] __initdata = {
@ -557,5 +553,5 @@ MACHINE_START(SBC3530, "OMAP3 STALKER")
.init_early = omap3_stalker_init_early,
.init_irq = omap3_stalker_init_irq,
.init_machine = omap3_stalker_init,
.timer = &omap_timer,
.timer = &omap3_secure_timer,
MACHINE_END

8
arch/arm/mach-omap2/board-omap3touchbook.c
Просмотреть файл

@ -51,7 +51,6 @@
#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"
#include "common-board-devices.h"
#include <asm/setup.h>
@ -371,10 +370,7 @@ static void __init omap3_touchbook_init_early(void)
static void __init omap3_touchbook_init_irq(void)
{
omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
omap2_gp_clockevent_set_gptimer(12);
#endif
omap3_init_irq();
}
static struct platform_device *omap3_touchbook_devices[] __initdata = {
@ -449,5 +445,5 @@ MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
.init_early = omap3_touchbook_init_early,
.init_irq = omap3_touchbook_init_irq,
.init_machine = omap3_touchbook_init,
.timer = &omap_timer,
.timer = &omap3_secure_timer,
MACHINE_END

3
arch/arm/mach-omap2/board-omap4panda.c
Просмотреть файл

@ -41,7 +41,6 @@
#include <plat/usb.h>
#include <plat/mmc.h>
#include <video/omap-panel-generic-dpi.h>
#include "timer-gp.h"
#include "hsmmc.h"
#include "control.h"
@ -712,5 +711,5 @@ MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
.init_early = omap4_panda_init_early,
.init_irq = gic_init_irq,
.init_machine = omap4_panda_init,
.timer = &omap_timer,
.timer = &omap4_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-overo.c
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@ -615,7 +615,7 @@ MACHINE_START(OVERO, "Gumstix Overo")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = overo_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = overo_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-rm680.c
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@ -163,7 +163,7 @@ MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
.reserve = omap_reserve,
.map_io = rm680_map_io,
.init_early = rm680_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = rm680_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

4
arch/arm/mach-omap2/board-rx51.c
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@ -160,7 +160,7 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
.reserve = rx51_reserve,
.map_io = rx51_map_io,
.init_early = rx51_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = rx51_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

9
arch/arm/mach-omap2/board-ti8168evm.c
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@ -33,11 +33,6 @@ static void __init ti8168_init_early(void)
omap2_init_common_devices(NULL, NULL);
}
static void __init ti8168_evm_init_irq(void)
{
omap_init_irq();
}
static void __init ti8168_evm_init(void)
{
omap_serial_init();
@ -56,7 +51,7 @@ MACHINE_START(TI8168EVM, "ti8168evm")
.boot_params = 0x80000100,
.map_io = ti8168_evm_map_io,
.init_early = ti8168_init_early,
.init_irq = ti8168_evm_init_irq,
.timer = &omap_timer,
.init_irq = ti816x_init_irq,
.timer = &omap3_timer,
.init_machine = ti8168_evm_init,
MACHINE_END

8
arch/arm/mach-omap2/board-zoom.c
Просмотреть файл

@ -137,9 +137,9 @@ MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = omap_zoom_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap_zoom_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END
MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
@ -147,7 +147,7 @@ MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = omap_zoom_init_early,
.init_irq = omap_init_irq,
.init_irq = omap3_init_irq,
.init_machine = omap_zoom_init,
.timer = &omap_timer,
.timer = &omap3_timer,
MACHINE_END

17
arch/arm/mach-omap2/io.c
Просмотреть файл

@ -333,23 +333,9 @@ static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
}
/* See irq.c, omap4-common.c and entry-macro.S */
void __iomem *omap_irq_base;
/*
* Initialize asm_irq_base for entry-macro.S
*/
static inline void omap_irq_base_init(void)
{
if (cpu_is_omap24xx())
omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP24XX_IC_BASE);
else if (cpu_is_omap34xx())
omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP34XX_IC_BASE);
else if (cpu_is_omap44xx())
omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE);
else
pr_err("Could not initialize omap_irq_base\n");
}
void __init omap2_init_common_infrastructure(void)
{
u8 postsetup_state;
@ -422,7 +408,6 @@ void __init omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0,
_omap2_init_reprogram_sdrc();
}
omap_irq_base_init();
}
/*

32
arch/arm/mach-omap2/irq.c
Просмотреть файл

@ -141,25 +141,20 @@ omap_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num)
IRQ_NOREQUEST | IRQ_NOPROBE, 0);
}
void __init omap_init_irq(void)
static void __init omap_init_irq(u32 base, int nr_irqs)
{
unsigned long nr_of_irqs = 0;
unsigned int nr_banks = 0;
int i, j;
omap_irq_base = ioremap(base, SZ_4K);
if (WARN_ON(!omap_irq_base))
return;
for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
unsigned long base = 0;
struct omap_irq_bank *bank = irq_banks + i;
if (cpu_is_omap24xx())
base = OMAP24XX_IC_BASE;
else if (cpu_is_omap34xx())
base = OMAP34XX_IC_BASE;
BUG_ON(!base);
if (cpu_is_ti816x())
bank->nr_irqs = 128;
bank->nr_irqs = nr_irqs;
/* Static mapping, never released */
bank->base_reg = ioremap(base, SZ_4K);
@ -181,6 +176,21 @@ void __init omap_init_irq(void)
nr_of_irqs, nr_banks, nr_banks > 1 ? "s" : "");
}
void __init omap2_init_irq(void)
{
omap_init_irq(OMAP24XX_IC_BASE, 96);
}
void __init omap3_init_irq(void)
{
omap_init_irq(OMAP34XX_IC_BASE, 96);
}
void __init ti816x_init_irq(void)
{
omap_init_irq(OMAP34XX_IC_BASE, 128);
}
#ifdef CONFIG_ARCH_OMAP3
static struct omap3_intc_regs intc_context[ARRAY_SIZE(irq_banks)];

10
arch/arm/mach-omap2/omap4-common.c
Просмотреть файл

@ -19,6 +19,8 @@
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
#include <plat/irqs.h>
#include <mach/hardware.h>
#include <mach/omap4-common.h>
@ -31,17 +33,15 @@ void __iomem *gic_dist_base_addr;
void __init gic_init_irq(void)
{
void __iomem *gic_cpu_base;
/* Static mapping, never released */
gic_dist_base_addr = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K);
BUG_ON(!gic_dist_base_addr);
/* Static mapping, never released */
gic_cpu_base = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512);
BUG_ON(!gic_cpu_base);
omap_irq_base = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512);
BUG_ON(!omap_irq_base);
gic_init(0, 29, gic_dist_base_addr, gic_cpu_base);
gic_init(0, 29, gic_dist_base_addr, omap_irq_base);
}
#ifdef CONFIG_CACHE_L2X0

28
arch/arm/mach-omap2/pm-debug.c
Просмотреть файл

@ -31,7 +31,6 @@
#include <plat/board.h>
#include "powerdomain.h"
#include "clockdomain.h"
#include <plat/dmtimer.h>
#include <plat/omap-pm.h>
#include "cm2xxx_3xxx.h"
@ -41,8 +40,6 @@
int omap2_pm_debug;
u32 enable_off_mode;
u32 sleep_while_idle;
u32 wakeup_timer_seconds;
u32 wakeup_timer_milliseconds;
#define DUMP_PRM_MOD_REG(mod, reg) \
regs[reg_count].name = #mod "." #reg; \
@ -162,23 +159,6 @@ void omap2_pm_dump(int mode, int resume, unsigned int us)
printk(KERN_INFO "%-20s: 0x%08x\n", regs[i].name, regs[i].val);
}
void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds)
{
u32 tick_rate, cycles;
if (!seconds && !milliseconds)
return;
tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer_wakeup));
cycles = tick_rate * seconds + tick_rate * milliseconds / 1000;
omap_dm_timer_stop(gptimer_wakeup);
omap_dm_timer_set_load_start(gptimer_wakeup, 0, 0xffffffff - cycles);
pr_info("PM: Resume timer in %u.%03u secs"
" (%d ticks at %d ticks/sec.)\n",
seconds, milliseconds, cycles, tick_rate);
}
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#include <linux/seq_file.h>
@ -576,9 +556,6 @@ static int option_set(void *data, u64 val)
{
u32 *option = data;
if (option == &wakeup_timer_milliseconds && val >= 1000)
return -EINVAL;
*option = val;
if (option == &enable_off_mode) {
@ -641,11 +618,6 @@ static int __init pm_dbg_init(void)
&enable_off_mode, &pm_dbg_option_fops);
(void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUSR, d,
&sleep_while_idle, &pm_dbg_option_fops);
(void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUSR, d,
&wakeup_timer_seconds, &pm_dbg_option_fops);
(void) debugfs_create_file("wakeup_timer_milliseconds",
S_IRUGO | S_IWUSR, d, &wakeup_timer_milliseconds,
&pm_dbg_option_fops);
pm_dbg_init_done = 1;
return 0;

6
arch/arm/mach-omap2/pm.h
Просмотреть файл

@ -60,19 +60,13 @@ inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params)
extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
extern u32 wakeup_timer_seconds;
extern u32 wakeup_timer_milliseconds;
extern struct omap_dm_timer *gptimer_wakeup;
#ifdef CONFIG_PM_DEBUG
extern void omap2_pm_dump(int mode, int resume, unsigned int us);
extern void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds);
extern int omap2_pm_debug;
extern u32 enable_off_mode;
extern u32 sleep_while_idle;
#else
#define omap2_pm_dump(mode, resume, us) do {} while (0);
#define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0);
#define omap2_pm_debug 0
#define enable_off_mode 0
#define sleep_while_idle 0

4
arch/arm/mach-omap2/pm34xx.c
Просмотреть файл

@ -534,10 +534,6 @@ static int omap3_pm_suspend(void)
struct power_state *pwrst;
int state, ret = 0;
if (wakeup_timer_seconds || wakeup_timer_milliseconds)
omap2_pm_wakeup_on_timer(wakeup_timer_seconds,
wakeup_timer_milliseconds);
/* Read current next_pwrsts */
list_for_each_entry(pwrst, &pwrst_list, node)
pwrst->saved_state = pwrdm_read_next_pwrst(pwrst->pwrdm);

266
arch/arm/mach-omap2/timer-gp.c
Просмотреть файл

@ -1,266 +0,0 @@
/*
* linux/arch/arm/mach-omap2/timer-gp.c
*
* OMAP2 GP timer support.
*
* Copyright (C) 2009 Nokia Corporation
*
* Update to use new clocksource/clockevent layers
* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
* Copyright (C) 2007 MontaVista Software, Inc.
*
* Original driver:
* Copyright (C) 2005 Nokia Corporation
* Author: Paul Mundt <paul.mundt@nokia.com>
* Juha Yrjölä <juha.yrjola@nokia.com>
* OMAP Dual-mode timer framework support by Timo Teras
*
* Some parts based off of TI's 24xx code:
*
* Copyright (C) 2004-2009 Texas Instruments, Inc.
*
* Roughly modelled after the OMAP1 MPU timer code.
* Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/time.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <asm/mach/time.h>
#include <plat/dmtimer.h>
#include <asm/localtimer.h>
#include <asm/sched_clock.h>
#include <plat/common.h>
#include <plat/omap_hwmod.h>
#include "timer-gp.h"
/* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
#define MAX_GPTIMER_ID 12
static struct omap_dm_timer *gptimer;
static struct clock_event_device clockevent_gpt;
static u8 __initdata gptimer_id = 1;
static u8 __initdata inited;
struct omap_dm_timer *gptimer_wakeup;
static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id)
{
struct omap_dm_timer *gpt = (struct omap_dm_timer *)dev_id;
struct clock_event_device *evt = &clockevent_gpt;
omap_dm_timer_write_status(gpt, OMAP_TIMER_INT_OVERFLOW);
evt->event_handler(evt);
return IRQ_HANDLED;
}
static struct irqaction omap2_gp_timer_irq = {
.name = "gp timer",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = omap2_gp_timer_interrupt,
};
static int omap2_gp_timer_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
omap_dm_timer_set_load_start(gptimer, 0, 0xffffffff - cycles);
return 0;
}
static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
u32 period;
omap_dm_timer_stop(gptimer);
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ;
period -= 1;
omap_dm_timer_set_load_start(gptimer, 1, 0xffffffff - period);
break;
case CLOCK_EVT_MODE_ONESHOT:
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
case CLOCK_EVT_MODE_RESUME:
break;
}
}
static struct clock_event_device clockevent_gpt = {
.name = "gp timer",
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.shift = 32,
.set_next_event = omap2_gp_timer_set_next_event,
.set_mode = omap2_gp_timer_set_mode,
};
/**
* omap2_gp_clockevent_set_gptimer - set which GPTIMER is used for clockevents
* @id: GPTIMER to use (1..MAX_GPTIMER_ID)
*
* Define the GPTIMER that the system should use for the tick timer.
* Meant to be called from board-*.c files in the event that GPTIMER1, the
* default, is unsuitable. Returns -EINVAL on error or 0 on success.
*/
int __init omap2_gp_clockevent_set_gptimer(u8 id)
{
if (id < 1 || id > MAX_GPTIMER_ID)
return -EINVAL;
BUG_ON(inited);
gptimer_id = id;
return 0;
}
static void __init omap2_gp_clockevent_init(void)
{
u32 tick_rate;
int src;
char clockevent_hwmod_name[8]; /* 8 = sizeof("timerXX0") */
inited = 1;
sprintf(clockevent_hwmod_name, "timer%d", gptimer_id);
omap_hwmod_setup_one(clockevent_hwmod_name);
gptimer = omap_dm_timer_request_specific(gptimer_id);
BUG_ON(gptimer == NULL);
gptimer_wakeup = gptimer;
#if defined(CONFIG_OMAP_32K_TIMER)
src = OMAP_TIMER_SRC_32_KHZ;
#else
src = OMAP_TIMER_SRC_SYS_CLK;
WARN(gptimer_id == 12, "WARNING: GPTIMER12 can only use the "
"secure 32KiHz clock source\n");
#endif
if (gptimer_id != 12)
WARN(IS_ERR_VALUE(omap_dm_timer_set_source(gptimer, src)),
"timer-gp: omap_dm_timer_set_source() failed\n");
tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer));
pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n",
gptimer_id, tick_rate);
omap2_gp_timer_irq.dev_id = (void *)gptimer;
setup_irq(omap_dm_timer_get_irq(gptimer), &omap2_gp_timer_irq);
omap_dm_timer_set_int_enable(gptimer, OMAP_TIMER_INT_OVERFLOW);
clockevent_gpt.mult = div_sc(tick_rate, NSEC_PER_SEC,
clockevent_gpt.shift);
clockevent_gpt.max_delta_ns =
clockevent_delta2ns(0xffffffff, &clockevent_gpt);
clockevent_gpt.min_delta_ns =
clockevent_delta2ns(3, &clockevent_gpt);
/* Timer internal resynch latency. */
clockevent_gpt.cpumask = cpumask_of(0);
clockevents_register_device(&clockevent_gpt);
}
/* Clocksource code */
#ifdef CONFIG_OMAP_32K_TIMER
/*
* When 32k-timer is enabled, don't use GPTimer for clocksource
* instead, just leave default clocksource which uses the 32k
* sync counter. See clocksource setup in plat-omap/counter_32k.c
*/
static void __init omap2_gp_clocksource_init(void)
{
omap_init_clocksource_32k();
}
#else
/*
* clocksource
*/
static DEFINE_CLOCK_DATA(cd);
static struct omap_dm_timer *gpt_clocksource;
static cycle_t clocksource_read_cycles(struct clocksource *cs)
{
return (cycle_t)omap_dm_timer_read_counter(gpt_clocksource);
}
static struct clocksource clocksource_gpt = {
.name = "gp timer",
.rating = 300,
.read = clocksource_read_cycles,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static void notrace dmtimer_update_sched_clock(void)
{
u32 cyc;
cyc = omap_dm_timer_read_counter(gpt_clocksource);
update_sched_clock(&cd, cyc, (u32)~0);
}
/* Setup free-running counter for clocksource */
static void __init omap2_gp_clocksource_init(void)
{
static struct omap_dm_timer *gpt;
u32 tick_rate;
static char err1[] __initdata = KERN_ERR
"%s: failed to request dm-timer\n";
static char err2[] __initdata = KERN_ERR
"%s: can't register clocksource!\n";
gpt = omap_dm_timer_request();
if (!gpt)
printk(err1, clocksource_gpt.name);
gpt_clocksource = gpt;
omap_dm_timer_set_source(gpt, OMAP_TIMER_SRC_SYS_CLK);
tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gpt));
omap_dm_timer_set_load_start(gpt, 1, 0);
init_sched_clock(&cd, dmtimer_update_sched_clock, 32, tick_rate);
if (clocksource_register_hz(&clocksource_gpt, tick_rate))
printk(err2, clocksource_gpt.name);
}
#endif
static void __init omap2_gp_timer_init(void)
{
#ifdef CONFIG_LOCAL_TIMERS
if (cpu_is_omap44xx()) {
twd_base = ioremap(OMAP44XX_LOCAL_TWD_BASE, SZ_256);
BUG_ON(!twd_base);
}
#endif
omap_dm_timer_init();
omap2_gp_clockevent_init();
omap2_gp_clocksource_init();
}
struct sys_timer omap_timer = {
.init = omap2_gp_timer_init,
};

16
arch/arm/mach-omap2/timer-gp.h
Просмотреть файл

@ -1,16 +0,0 @@
/*
* OMAP2/3 GPTIMER support.headers
*
* Copyright (C) 2009 Nokia Corporation
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_TIMER_GP_H
#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_TIMER_GP_H
extern int __init omap2_gp_clockevent_set_gptimer(u8 id);
#endif

342
arch/arm/mach-omap2/timer.c Normal file
Просмотреть файл

@ -0,0 +1,342 @@
/*
* linux/arch/arm/mach-omap2/timer.c
*
* OMAP2 GP timer support.
*
* Copyright (C) 2009 Nokia Corporation
*
* Update to use new clocksource/clockevent layers
* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
* Copyright (C) 2007 MontaVista Software, Inc.
*
* Original driver:
* Copyright (C) 2005 Nokia Corporation
* Author: Paul Mundt <paul.mundt@nokia.com>
* Juha Yrjölä <juha.yrjola@nokia.com>
* OMAP Dual-mode timer framework support by Timo Teras
*
* Some parts based off of TI's 24xx code:
*
* Copyright (C) 2004-2009 Texas Instruments, Inc.
*
* Roughly modelled after the OMAP1 MPU timer code.
* Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/time.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <asm/mach/time.h>
#include <plat/dmtimer.h>
#include <asm/localtimer.h>
#include <asm/sched_clock.h>
#include <plat/common.h>
#include <plat/omap_hwmod.h>
/* Parent clocks, eventually these will come from the clock framework */
#define OMAP2_MPU_SOURCE "sys_ck"
#define OMAP3_MPU_SOURCE OMAP2_MPU_SOURCE
#define OMAP4_MPU_SOURCE "sys_clkin_ck"
#define OMAP2_32K_SOURCE "func_32k_ck"
#define OMAP3_32K_SOURCE "omap_32k_fck"
#define OMAP4_32K_SOURCE "sys_32k_ck"
#ifdef CONFIG_OMAP_32K_TIMER
#define OMAP2_CLKEV_SOURCE OMAP2_32K_SOURCE
#define OMAP3_CLKEV_SOURCE OMAP3_32K_SOURCE
#define OMAP4_CLKEV_SOURCE OMAP4_32K_SOURCE
#define OMAP3_SECURE_TIMER 12
#else
#define OMAP2_CLKEV_SOURCE OMAP2_MPU_SOURCE
#define OMAP3_CLKEV_SOURCE OMAP3_MPU_SOURCE
#define OMAP4_CLKEV_SOURCE OMAP4_MPU_SOURCE
#define OMAP3_SECURE_TIMER 1
#endif
/* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
#define MAX_GPTIMER_ID 12
u32 sys_timer_reserved;
/* Clockevent code */
static struct omap_dm_timer clkev;
static struct clock_event_device clockevent_gpt;
static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = &clockevent_gpt;
__omap_dm_timer_write_status(clkev.io_base, OMAP_TIMER_INT_OVERFLOW);
evt->event_handler(evt);
return IRQ_HANDLED;
}
static struct irqaction omap2_gp_timer_irq = {
.name = "gp timer",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = omap2_gp_timer_interrupt,
};
static int omap2_gp_timer_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
__omap_dm_timer_load_start(clkev.io_base, OMAP_TIMER_CTRL_ST,
0xffffffff - cycles, 1);
return 0;
}
static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
u32 period;
__omap_dm_timer_stop(clkev.io_base, 1, clkev.rate);
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
period = clkev.rate / HZ;
period -= 1;
/* Looks like we need to first set the load value separately */
__omap_dm_timer_write(clkev.io_base, OMAP_TIMER_LOAD_REG,
0xffffffff - period, 1);
__omap_dm_timer_load_start(clkev.io_base,
OMAP_TIMER_CTRL_AR | OMAP_TIMER_CTRL_ST,
0xffffffff - period, 1);
break;
case CLOCK_EVT_MODE_ONESHOT:
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
case CLOCK_EVT_MODE_RESUME:
break;
}
}
static struct clock_event_device clockevent_gpt = {
.name = "gp timer",
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.shift = 32,
.set_next_event = omap2_gp_timer_set_next_event,
.set_mode = omap2_gp_timer_set_mode,
};
static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
int gptimer_id,
const char *fck_source)
{
char name[10]; /* 10 = sizeof("gptXX_Xck0") */
struct omap_hwmod *oh;
size_t size;
int res = 0;
sprintf(name, "timer%d", gptimer_id);
omap_hwmod_setup_one(name);
oh = omap_hwmod_lookup(name);
if (!oh)
return -ENODEV;
timer->irq = oh->mpu_irqs[0].irq;
timer->phys_base = oh->slaves[0]->addr->pa_start;
size = oh->slaves[0]->addr->pa_end - timer->phys_base;
/* Static mapping, never released */
timer->io_base = ioremap(timer->phys_base, size);
if (!timer->io_base)
return -ENXIO;
/* After the dmtimer is using hwmod these clocks won't be needed */
sprintf(name, "gpt%d_fck", gptimer_id);
timer->fclk = clk_get(NULL, name);
if (IS_ERR(timer->fclk))
return -ENODEV;
sprintf(name, "gpt%d_ick", gptimer_id);
timer->iclk = clk_get(NULL, name);
if (IS_ERR(timer->iclk)) {
clk_put(timer->fclk);
return -ENODEV;
}
omap_hwmod_enable(oh);
sys_timer_reserved |= (1 << (gptimer_id - 1));
if (gptimer_id != 12) {
struct clk *src;
src = clk_get(NULL, fck_source);
if (IS_ERR(src)) {
res = -EINVAL;
} else {
res = __omap_dm_timer_set_source(timer->fclk, src);
if (IS_ERR_VALUE(res))
pr_warning("%s: timer%i cannot set source\n",
__func__, gptimer_id);
clk_put(src);
}
}
__omap_dm_timer_reset(timer->io_base, 1, 1);
timer->posted = 1;
timer->rate = clk_get_rate(timer->fclk);
timer->reserved = 1;
return res;
}
static void __init omap2_gp_clockevent_init(int gptimer_id,
const char *fck_source)
{
int res;
res = omap_dm_timer_init_one(&clkev, gptimer_id, fck_source);
BUG_ON(res);
omap2_gp_timer_irq.dev_id = (void *)&clkev;
setup_irq(clkev.irq, &omap2_gp_timer_irq);
__omap_dm_timer_int_enable(clkev.io_base, OMAP_TIMER_INT_OVERFLOW);
clockevent_gpt.mult = div_sc(clkev.rate, NSEC_PER_SEC,
clockevent_gpt.shift);
clockevent_gpt.max_delta_ns =
clockevent_delta2ns(0xffffffff, &clockevent_gpt);
clockevent_gpt.min_delta_ns =
clockevent_delta2ns(3, &clockevent_gpt);
/* Timer internal resynch latency. */
clockevent_gpt.cpumask = cpumask_of(0);
clockevents_register_device(&clockevent_gpt);
pr_info("OMAP clockevent source: GPTIMER%d at %lu Hz\n",
gptimer_id, clkev.rate);
}
/* Clocksource code */
#ifdef CONFIG_OMAP_32K_TIMER
/*
* When 32k-timer is enabled, don't use GPTimer for clocksource
* instead, just leave default clocksource which uses the 32k
* sync counter. See clocksource setup in plat-omap/counter_32k.c
*/
static void __init omap2_gp_clocksource_init(int unused, const char *dummy)
{
omap_init_clocksource_32k();
}
#else
static struct omap_dm_timer clksrc;
/*
* clocksource
*/
static DEFINE_CLOCK_DATA(cd);
static cycle_t clocksource_read_cycles(struct clocksource *cs)
{
return (cycle_t)__omap_dm_timer_read_counter(clksrc.io_base, 1);
}
static struct clocksource clocksource_gpt = {
.name = "gp timer",
.rating = 300,
.read = clocksource_read_cycles,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static void notrace dmtimer_update_sched_clock(void)
{
u32 cyc;
cyc = __omap_dm_timer_read_counter(clksrc.io_base, 1);
update_sched_clock(&cd, cyc, (u32)~0);
}
unsigned long long notrace sched_clock(void)
{
u32 cyc = 0;
if (clksrc.reserved)
cyc = __omap_dm_timer_read_counter(clksrc.io_base, 1);
return cyc_to_sched_clock(&cd, cyc, (u32)~0);
}
/* Setup free-running counter for clocksource */
static void __init omap2_gp_clocksource_init(int gptimer_id,
const char *fck_source)
{
int res;
res = omap_dm_timer_init_one(&clksrc, gptimer_id, fck_source);
BUG_ON(res);
pr_info("OMAP clocksource: GPTIMER%d at %lu Hz\n",
gptimer_id, clksrc.rate);
__omap_dm_timer_load_start(clksrc.io_base, OMAP_TIMER_CTRL_ST, 0, 1);
init_sched_clock(&cd, dmtimer_update_sched_clock, 32, clksrc.rate);
if (clocksource_register_hz(&clocksource_gpt, clksrc.rate))
pr_err("Could not register clocksource %s\n",
clocksource_gpt.name);
}
#endif
#define OMAP_SYS_TIMER_INIT(name, clkev_nr, clkev_src, \
clksrc_nr, clksrc_src) \
static void __init omap##name##_timer_init(void) \
{ \
omap2_gp_clockevent_init((clkev_nr), clkev_src); \
omap2_gp_clocksource_init((clksrc_nr), clksrc_src); \
}
#define OMAP_SYS_TIMER(name) \
struct sys_timer omap##name##_timer = { \
.init = omap##name##_timer_init, \
};
#ifdef CONFIG_ARCH_OMAP2
OMAP_SYS_TIMER_INIT(2, 1, OMAP2_CLKEV_SOURCE, 2, OMAP2_MPU_SOURCE)
OMAP_SYS_TIMER(2)
#endif
#ifdef CONFIG_ARCH_OMAP3
OMAP_SYS_TIMER_INIT(3, 1, OMAP3_CLKEV_SOURCE, 2, OMAP3_MPU_SOURCE)
OMAP_SYS_TIMER(3)
OMAP_SYS_TIMER_INIT(3_secure, OMAP3_SECURE_TIMER, OMAP3_CLKEV_SOURCE,
2, OMAP3_MPU_SOURCE)
OMAP_SYS_TIMER(3_secure)
#endif
#ifdef CONFIG_ARCH_OMAP4
static void __init omap4_timer_init(void)
{
#ifdef CONFIG_LOCAL_TIMERS
twd_base = ioremap(OMAP44XX_LOCAL_TWD_BASE, SZ_256);
BUG_ON(!twd_base);
#endif
omap2_gp_clockevent_init(1, OMAP4_CLKEV_SOURCE);
omap2_gp_clocksource_init(2, OMAP4_MPU_SOURCE);
}
OMAP_SYS_TIMER(4)
#endif

2
arch/arm/plat-omap/counter_32k.c
Просмотреть файл

@ -126,7 +126,7 @@ static inline unsigned long long notrace _omap_32k_sched_clock(void)
return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
}
#ifndef CONFIG_OMAP_MPU_TIMER
#if defined(CONFIG_OMAP_32K_TIMER) && !defined(CONFIG_OMAP_MPU_TIMER)
unsigned long long notrace sched_clock(void)
{
return _omap_32k_sched_clock();

209
arch/arm/plat-omap/dmtimer.c
Просмотреть файл

@ -41,127 +41,6 @@
#include <plat/dmtimer.h>
#include <mach/irqs.h>
/* register offsets */
#define _OMAP_TIMER_ID_OFFSET 0x00
#define _OMAP_TIMER_OCP_CFG_OFFSET 0x10
#define _OMAP_TIMER_SYS_STAT_OFFSET 0x14
#define _OMAP_TIMER_STAT_OFFSET 0x18
#define _OMAP_TIMER_INT_EN_OFFSET 0x1c
#define _OMAP_TIMER_WAKEUP_EN_OFFSET 0x20
#define _OMAP_TIMER_CTRL_OFFSET 0x24
#define OMAP_TIMER_CTRL_GPOCFG (1 << 14)
#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13)
#define OMAP_TIMER_CTRL_PT (1 << 12)
#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8)
#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8)
#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8)
#define OMAP_TIMER_CTRL_SCPWM (1 << 7)
#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */
#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */
#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* prescaler value shift */
#define OMAP_TIMER_CTRL_POSTED (1 << 2)
#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */
#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */
#define _OMAP_TIMER_COUNTER_OFFSET 0x28
#define _OMAP_TIMER_LOAD_OFFSET 0x2c
#define _OMAP_TIMER_TRIGGER_OFFSET 0x30
#define _OMAP_TIMER_WRITE_PEND_OFFSET 0x34
#define WP_NONE 0 /* no write pending bit */
#define WP_TCLR (1 << 0)
#define WP_TCRR (1 << 1)
#define WP_TLDR (1 << 2)
#define WP_TTGR (1 << 3)
#define WP_TMAR (1 << 4)
#define WP_TPIR (1 << 5)
#define WP_TNIR (1 << 6)
#define WP_TCVR (1 << 7)
#define WP_TOCR (1 << 8)
#define WP_TOWR (1 << 9)
#define _OMAP_TIMER_MATCH_OFFSET 0x38
#define _OMAP_TIMER_CAPTURE_OFFSET 0x3c
#define _OMAP_TIMER_IF_CTRL_OFFSET 0x40
#define _OMAP_TIMER_CAPTURE2_OFFSET 0x44 /* TCAR2, 34xx only */
#define _OMAP_TIMER_TICK_POS_OFFSET 0x48 /* TPIR, 34xx only */
#define _OMAP_TIMER_TICK_NEG_OFFSET 0x4c /* TNIR, 34xx only */
#define _OMAP_TIMER_TICK_COUNT_OFFSET 0x50 /* TCVR, 34xx only */
#define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET 0x54 /* TOCR, 34xx only */
#define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET 0x58 /* TOWR, 34xx only */
/* register offsets with the write pending bit encoded */
#define WPSHIFT 16
#define OMAP_TIMER_ID_REG (_OMAP_TIMER_ID_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_OCP_CFG_REG (_OMAP_TIMER_OCP_CFG_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_SYS_STAT_REG (_OMAP_TIMER_SYS_STAT_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_STAT_REG (_OMAP_TIMER_STAT_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_INT_EN_REG (_OMAP_TIMER_INT_EN_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_WAKEUP_EN_REG (_OMAP_TIMER_WAKEUP_EN_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_CTRL_REG (_OMAP_TIMER_CTRL_OFFSET \
| (WP_TCLR << WPSHIFT))
#define OMAP_TIMER_COUNTER_REG (_OMAP_TIMER_COUNTER_OFFSET \
| (WP_TCRR << WPSHIFT))
#define OMAP_TIMER_LOAD_REG (_OMAP_TIMER_LOAD_OFFSET \
| (WP_TLDR << WPSHIFT))
#define OMAP_TIMER_TRIGGER_REG (_OMAP_TIMER_TRIGGER_OFFSET \
| (WP_TTGR << WPSHIFT))
#define OMAP_TIMER_WRITE_PEND_REG (_OMAP_TIMER_WRITE_PEND_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_MATCH_REG (_OMAP_TIMER_MATCH_OFFSET \
| (WP_TMAR << WPSHIFT))
#define OMAP_TIMER_CAPTURE_REG (_OMAP_TIMER_CAPTURE_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_IF_CTRL_REG (_OMAP_TIMER_IF_CTRL_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_CAPTURE2_REG (_OMAP_TIMER_CAPTURE2_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_TICK_POS_REG (_OMAP_TIMER_TICK_POS_OFFSET \
| (WP_TPIR << WPSHIFT))
#define OMAP_TIMER_TICK_NEG_REG (_OMAP_TIMER_TICK_NEG_OFFSET \
| (WP_TNIR << WPSHIFT))
#define OMAP_TIMER_TICK_COUNT_REG (_OMAP_TIMER_TICK_COUNT_OFFSET \
| (WP_TCVR << WPSHIFT))
#define OMAP_TIMER_TICK_INT_MASK_SET_REG \
(_OMAP_TIMER_TICK_INT_MASK_SET_OFFSET | (WP_TOCR << WPSHIFT))
#define OMAP_TIMER_TICK_INT_MASK_COUNT_REG \
(_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT))
struct omap_dm_timer {
unsigned long phys_base;
int irq;
#ifdef CONFIG_ARCH_OMAP2PLUS
struct clk *iclk, *fclk;
#endif
void __iomem *io_base;
unsigned reserved:1;
unsigned enabled:1;
unsigned posted:1;
};
static int dm_timer_count;
#ifdef CONFIG_ARCH_OMAP1
@ -291,11 +170,7 @@ static spinlock_t dm_timer_lock;
*/
static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, u32 reg)
{
if (timer->posted)
while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
& (reg >> WPSHIFT))
cpu_relax();
return readl(timer->io_base + (reg & 0xff));
return __omap_dm_timer_read(timer->io_base, reg, timer->posted);
}
/*
@ -307,11 +182,7 @@ static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, u32 reg)
static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, u32 reg,
u32 value)
{
if (timer->posted)
while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
& (reg >> WPSHIFT))
cpu_relax();
writel(value, timer->io_base + (reg & 0xff));
__omap_dm_timer_write(timer->io_base, reg, value, timer->posted);
}
static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer)
@ -330,7 +201,7 @@ static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer)
static void omap_dm_timer_reset(struct omap_dm_timer *timer)
{
u32 l;
int autoidle = 0, wakeup = 0;
if (!cpu_class_is_omap2() || timer != &dm_timers[0]) {
omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06);
@ -338,28 +209,21 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer)
}
omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ);
l = omap_dm_timer_read_reg(timer, OMAP_TIMER_OCP_CFG_REG);
l |= 0x02 << 3; /* Set to smart-idle mode */
l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */
/* Enable autoidle on OMAP2 / OMAP3 */
if (cpu_is_omap24xx() || cpu_is_omap34xx())
l |= 0x1 << 0;
autoidle = 1;
/*
* Enable wake-up on OMAP2 CPUs.
*/
if (cpu_class_is_omap2())
l |= 1 << 2;
omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l);
wakeup = 1;
/* Match hardware reset default of posted mode */
omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG,
OMAP_TIMER_CTRL_POSTED);
__omap_dm_timer_reset(timer->io_base, autoidle, wakeup);
timer->posted = 1;
}
static void omap_dm_timer_prepare(struct omap_dm_timer *timer)
void omap_dm_timer_prepare(struct omap_dm_timer *timer)
{
omap_dm_timer_enable(timer);
omap_dm_timer_reset(timer);
@ -531,25 +395,13 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_start);
void omap_dm_timer_stop(struct omap_dm_timer *timer)
{
u32 l;
unsigned long rate = 0;
l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
if (l & OMAP_TIMER_CTRL_ST) {
l &= ~0x1;
omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
#ifdef CONFIG_ARCH_OMAP2PLUS
/* Readback to make sure write has completed */
omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
/*
* Wait for functional clock period x 3.5 to make sure that
* timer is stopped
*/
udelay(3500000 / clk_get_rate(timer->fclk) + 1);
rate = clk_get_rate(timer->fclk);
#endif
}
/* Ack possibly pending interrupt */
omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG,
OMAP_TIMER_INT_OVERFLOW);
__omap_dm_timer_stop(timer->io_base, timer->posted, rate);
}
EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
@ -572,22 +424,11 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
{
int ret = -EINVAL;
if (source < 0 || source >= 3)
return -EINVAL;
clk_disable(timer->fclk);
ret = clk_set_parent(timer->fclk, dm_source_clocks[source]);
clk_enable(timer->fclk);
/*
* When the functional clock disappears, too quick writes seem
* to cause an abort. XXX Is this still necessary?
*/
__delay(300000);
return ret;
return __omap_dm_timer_set_source(timer->fclk,
dm_source_clocks[source]);
}
EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
@ -625,8 +466,7 @@ void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload,
}
l |= OMAP_TIMER_CTRL_ST;
omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, load);
omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
__omap_dm_timer_load_start(timer->io_base, l, load, timer->posted);
}
EXPORT_SYMBOL_GPL(omap_dm_timer_set_load_start);
@ -679,8 +519,7 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_set_prescaler);
void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer,
unsigned int value)
{
omap_dm_timer_write_reg(timer, OMAP_TIMER_INT_EN_REG, value);
omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, value);
__omap_dm_timer_int_enable(timer->io_base, value);
}
EXPORT_SYMBOL_GPL(omap_dm_timer_set_int_enable);
@ -696,17 +535,13 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_read_status);
void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value)
{
omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, value);
__omap_dm_timer_write_status(timer->io_base, value);
}
EXPORT_SYMBOL_GPL(omap_dm_timer_write_status);
unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer)
{
unsigned int l;
l = omap_dm_timer_read_reg(timer, OMAP_TIMER_COUNTER_REG);
return l;
return __omap_dm_timer_read_counter(timer->io_base, timer->posted);
}
EXPORT_SYMBOL_GPL(omap_dm_timer_read_counter);
@ -737,7 +572,7 @@ int omap_dm_timers_active(void)
}
EXPORT_SYMBOL_GPL(omap_dm_timers_active);
int __init omap_dm_timer_init(void)
static int __init omap_dm_timer_init(void)
{
struct omap_dm_timer *timer;
int i, map_size = SZ_8K; /* Module 4KB + L4 4KB except on omap1 */
@ -790,8 +625,16 @@ int __init omap_dm_timer_init(void)
sprintf(clk_name, "gpt%d_fck", i + 1);
timer->fclk = clk_get(NULL, clk_name);
}
/* One or two timers may be set up early for sys_timer */
if (sys_timer_reserved & (1 << i)) {
timer->reserved = 1;
timer->posted = 1;
}
#endif
}
return 0;
}
arch_initcall(omap_dm_timer_init);

6
arch/arm/plat-omap/include/plat/common.h
Просмотреть файл

@ -34,7 +34,11 @@
struct sys_timer;
extern void omap_map_common_io(void);
extern struct sys_timer omap_timer;
extern struct sys_timer omap1_timer;
extern struct sys_timer omap2_timer;
extern struct sys_timer omap3_timer;
extern struct sys_timer omap3_secure_timer;
extern struct sys_timer omap4_timer;
extern bool omap_32k_timer_init(void);
extern int __init omap_init_clocksource_32k(void);
extern unsigned long long notrace omap_32k_sched_clock(void);

250
arch/arm/plat-omap/include/plat/dmtimer.h
Просмотреть файл

@ -32,6 +32,9 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/clk.h>
#include <linux/delay.h>
#ifndef __ASM_ARCH_DMTIMER_H
#define __ASM_ARCH_DMTIMER_H
@ -56,12 +59,8 @@
*/
#define OMAP_TIMER_IP_VERSION_1 0x1
struct omap_dm_timer;
extern struct omap_dm_timer *gptimer_wakeup;
extern struct sys_timer omap_timer;
struct clk;
int omap_dm_timer_init(void);
struct omap_dm_timer *omap_dm_timer_request(void);
struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id);
void omap_dm_timer_free(struct omap_dm_timer *timer);
@ -93,5 +92,248 @@ void omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value
int omap_dm_timers_active(void);
/*
* Do not use the defines below, they are not needed. They should be only
* used by dmtimer.c and sys_timer related code.
*/
/* register offsets */
#define _OMAP_TIMER_ID_OFFSET 0x00
#define _OMAP_TIMER_OCP_CFG_OFFSET 0x10
#define _OMAP_TIMER_SYS_STAT_OFFSET 0x14
#define _OMAP_TIMER_STAT_OFFSET 0x18
#define _OMAP_TIMER_INT_EN_OFFSET 0x1c
#define _OMAP_TIMER_WAKEUP_EN_OFFSET 0x20
#define _OMAP_TIMER_CTRL_OFFSET 0x24
#define OMAP_TIMER_CTRL_GPOCFG (1 << 14)
#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13)
#define OMAP_TIMER_CTRL_PT (1 << 12)
#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8)
#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8)
#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8)
#define OMAP_TIMER_CTRL_SCPWM (1 << 7)
#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */
#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */
#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* prescaler value shift */
#define OMAP_TIMER_CTRL_POSTED (1 << 2)
#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */
#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */
#define _OMAP_TIMER_COUNTER_OFFSET 0x28
#define _OMAP_TIMER_LOAD_OFFSET 0x2c
#define _OMAP_TIMER_TRIGGER_OFFSET 0x30
#define _OMAP_TIMER_WRITE_PEND_OFFSET 0x34
#define WP_NONE 0 /* no write pending bit */
#define WP_TCLR (1 << 0)
#define WP_TCRR (1 << 1)
#define WP_TLDR (1 << 2)
#define WP_TTGR (1 << 3)
#define WP_TMAR (1 << 4)
#define WP_TPIR (1 << 5)
#define WP_TNIR (1 << 6)
#define WP_TCVR (1 << 7)
#define WP_TOCR (1 << 8)
#define WP_TOWR (1 << 9)
#define _OMAP_TIMER_MATCH_OFFSET 0x38
#define _OMAP_TIMER_CAPTURE_OFFSET 0x3c
#define _OMAP_TIMER_IF_CTRL_OFFSET 0x40
#define _OMAP_TIMER_CAPTURE2_OFFSET 0x44 /* TCAR2, 34xx only */
#define _OMAP_TIMER_TICK_POS_OFFSET 0x48 /* TPIR, 34xx only */
#define _OMAP_TIMER_TICK_NEG_OFFSET 0x4c /* TNIR, 34xx only */
#define _OMAP_TIMER_TICK_COUNT_OFFSET 0x50 /* TCVR, 34xx only */
#define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET 0x54 /* TOCR, 34xx only */
#define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET 0x58 /* TOWR, 34xx only */
/* register offsets with the write pending bit encoded */
#define WPSHIFT 16
#define OMAP_TIMER_ID_REG (_OMAP_TIMER_ID_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_OCP_CFG_REG (_OMAP_TIMER_OCP_CFG_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_SYS_STAT_REG (_OMAP_TIMER_SYS_STAT_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_STAT_REG (_OMAP_TIMER_STAT_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_INT_EN_REG (_OMAP_TIMER_INT_EN_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_WAKEUP_EN_REG (_OMAP_TIMER_WAKEUP_EN_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_CTRL_REG (_OMAP_TIMER_CTRL_OFFSET \
| (WP_TCLR << WPSHIFT))
#define OMAP_TIMER_COUNTER_REG (_OMAP_TIMER_COUNTER_OFFSET \
| (WP_TCRR << WPSHIFT))
#define OMAP_TIMER_LOAD_REG (_OMAP_TIMER_LOAD_OFFSET \
| (WP_TLDR << WPSHIFT))
#define OMAP_TIMER_TRIGGER_REG (_OMAP_TIMER_TRIGGER_OFFSET \
| (WP_TTGR << WPSHIFT))
#define OMAP_TIMER_WRITE_PEND_REG (_OMAP_TIMER_WRITE_PEND_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_MATCH_REG (_OMAP_TIMER_MATCH_OFFSET \
| (WP_TMAR << WPSHIFT))
#define OMAP_TIMER_CAPTURE_REG (_OMAP_TIMER_CAPTURE_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_IF_CTRL_REG (_OMAP_TIMER_IF_CTRL_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_CAPTURE2_REG (_OMAP_TIMER_CAPTURE2_OFFSET \
| (WP_NONE << WPSHIFT))
#define OMAP_TIMER_TICK_POS_REG (_OMAP_TIMER_TICK_POS_OFFSET \
| (WP_TPIR << WPSHIFT))
#define OMAP_TIMER_TICK_NEG_REG (_OMAP_TIMER_TICK_NEG_OFFSET \
| (WP_TNIR << WPSHIFT))
#define OMAP_TIMER_TICK_COUNT_REG (_OMAP_TIMER_TICK_COUNT_OFFSET \
| (WP_TCVR << WPSHIFT))
#define OMAP_TIMER_TICK_INT_MASK_SET_REG \
(_OMAP_TIMER_TICK_INT_MASK_SET_OFFSET | (WP_TOCR << WPSHIFT))
#define OMAP_TIMER_TICK_INT_MASK_COUNT_REG \
(_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT))
struct omap_dm_timer {
unsigned long phys_base;
int irq;
#ifdef CONFIG_ARCH_OMAP2PLUS
struct clk *iclk, *fclk;
#endif
void __iomem *io_base;
unsigned long rate;
unsigned reserved:1;
unsigned enabled:1;
unsigned posted:1;
};
extern u32 sys_timer_reserved;
void omap_dm_timer_prepare(struct omap_dm_timer *timer);
static inline u32 __omap_dm_timer_read(void __iomem *base, u32 reg,
int posted)
{
if (posted)
while (__raw_readl(base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
& (reg >> WPSHIFT))
cpu_relax();
return __raw_readl(base + (reg & 0xff));
}
static inline void __omap_dm_timer_write(void __iomem *base, u32 reg, u32 val,
int posted)
{
if (posted)
while (__raw_readl(base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
& (reg >> WPSHIFT))
cpu_relax();
__raw_writel(val, base + (reg & 0xff));
}
/* Assumes the source clock has been set by caller */
static inline void __omap_dm_timer_reset(void __iomem *base, int autoidle,
int wakeup)
{
u32 l;
l = __omap_dm_timer_read(base, OMAP_TIMER_OCP_CFG_REG, 0);
l |= 0x02 << 3; /* Set to smart-idle mode */
l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */
if (autoidle)
l |= 0x1 << 0;
if (wakeup)
l |= 1 << 2;
__omap_dm_timer_write(base, OMAP_TIMER_OCP_CFG_REG, l, 0);
/* Match hardware reset default of posted mode */
__omap_dm_timer_write(base, OMAP_TIMER_IF_CTRL_REG,
OMAP_TIMER_CTRL_POSTED, 0);
}
static inline int __omap_dm_timer_set_source(struct clk *timer_fck,
struct clk *parent)
{
int ret;
clk_disable(timer_fck);
ret = clk_set_parent(timer_fck, parent);
clk_enable(timer_fck);
/*
* When the functional clock disappears, too quick writes seem
* to cause an abort. XXX Is this still necessary?
*/
__delay(300000);
return ret;
}
static inline void __omap_dm_timer_stop(void __iomem *base, int posted,
unsigned long rate)
{
u32 l;
l = __omap_dm_timer_read(base, OMAP_TIMER_CTRL_REG, posted);
if (l & OMAP_TIMER_CTRL_ST) {
l &= ~0x1;
__omap_dm_timer_write(base, OMAP_TIMER_CTRL_REG, l, posted);
#ifdef CONFIG_ARCH_OMAP2PLUS
/* Readback to make sure write has completed */
__omap_dm_timer_read(base, OMAP_TIMER_CTRL_REG, posted);
/*
* Wait for functional clock period x 3.5 to make sure that
* timer is stopped
*/
udelay(3500000 / rate + 1);
#endif
}
/* Ack possibly pending interrupt */
__omap_dm_timer_write(base, OMAP_TIMER_STAT_REG,
OMAP_TIMER_INT_OVERFLOW, 0);
}
static inline void __omap_dm_timer_load_start(void __iomem *base, u32 ctrl,
unsigned int load, int posted)
{
__omap_dm_timer_write(base, OMAP_TIMER_COUNTER_REG, load, posted);
__omap_dm_timer_write(base, OMAP_TIMER_CTRL_REG, ctrl, posted);
}
static inline void __omap_dm_timer_int_enable(void __iomem *base,
unsigned int value)
{
__omap_dm_timer_write(base, OMAP_TIMER_INT_EN_REG, value, 0);
__omap_dm_timer_write(base, OMAP_TIMER_WAKEUP_EN_REG, value, 0);
}
static inline unsigned int __omap_dm_timer_read_counter(void __iomem *base,
int posted)
{
return __omap_dm_timer_read(base, OMAP_TIMER_COUNTER_REG, posted);
}
static inline void __omap_dm_timer_write_status(void __iomem *base,
unsigned int value)
{
__omap_dm_timer_write(base, OMAP_TIMER_STAT_REG, value, 0);
}
#endif /* __ASM_ARCH_DMTIMER_H */

6
arch/arm/plat-omap/include/plat/irqs.h
Просмотреть файл

@ -428,7 +428,11 @@
#define INTCPS_NR_IRQS 96
#ifndef __ASSEMBLY__
extern void omap_init_irq(void);
extern void __iomem *omap_irq_base;
void omap1_init_irq(void);
void omap2_init_irq(void);
void omap3_init_irq(void);
void ti816x_init_irq(void);
extern int omap_irq_pending(void);
void omap_intc_save_context(void);
void omap_intc_restore_context(void);