omap init_early changes for irq and timer init

index de88c92..17ed757 100644
@@ -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 = {

index 87f173d..eaff305 100644
@@ -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 */

index 23f4ab9..3fd6b40 100644
@@ -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 */

index ba3bd09..8147b04 100644
@@ -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 = {

index ac48677..1b448f6 100644
@@ -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)

index ba05a51..1bd4d8e 100644
@@ -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")

index 2d9b8cb..5926b0c 100644
@@ -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

index cfd0849..e3cf21d 100644
@@ -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[] = {

index 7c5e211..aed8202 100644
@@ -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 = {

index c9d38f4..8b6a881 100644
@@ -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[] = {

index f04f2d3..f2de43d 100644
@@ -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 = {

index d7bbbe7..7904018 100644
@@ -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[] = {

index 3c8ee84..7f019e5 100644
@@ -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 = {

index d41fe2d..027520f 100644
@@ -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();
 }
 /*----------------------------------------*/
 

index bdc0ac8..a843f4c 100644
@@ -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)

index 731dd33..7d49359 100644
@@ -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;
 

index 1fa6bb8..3d5a1de 100644
@@ -277,7 +277,7 @@ 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,
 MACHINE_END

index 9afd087..8859a74 100644
@@ -909,7 +909,7 @@ 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,
 MACHINE_END

index a5933cc..2ec2d76 100644
@@ -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,
 MACHINE_END

index a890d24..bbd9c14 100644
@@ -110,7 +110,7 @@ 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,
 MACHINE_END

index ce7d5e6..6fc0479 100644
@@ -516,7 +516,7 @@ 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,
 MACHINE_END

index f4f8374..e764c9c 100644
@@ -357,7 +357,7 @@ 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,
 MACHINE_END

index 02a12b4..bc37d72 100644
@@ -806,7 +806,7 @@ 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,
 MACHINE_END

index a27e3ee..b5618a6 100644
@@ -306,7 +306,7 @@ 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,
 MACHINE_END

index 65f9fde..9fedcd6 100644
@@ -457,7 +457,7 @@ static void __init devkit8000_init_early(void)
 
 static void __init devkit8000_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 73e3c31..ccd503a 100644
@@ -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,
 MACHINE_END

index bac7933..2e16d6c 100644
@@ -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 = {

index 5f8a2fd..8bf2650 100644
@@ -708,7 +708,7 @@ MACHINE_START(IGEP0020, "IGEP v2 board")
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= igep2_init_early,
-	.init_irq	= omap_init_irq,
+	.init_irq	= omap3_init_irq,
 	.init_machine	= igep2_init,
 	.timer		= &omap_timer,
 MACHINE_END

index b10db0e..f83a0fe 100644
@@ -452,7 +452,7 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= igep3_init_early,
-	.init_irq	= omap_init_irq,
+	.init_irq	= omap3_init_irq,
 	.init_machine	= igep3_init,
 	.timer		= &omap_timer,
 MACHINE_END

index e2ba779..5036e7d 100644
@@ -466,7 +466,7 @@ 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,
 MACHINE_END

index e710cd9..cf9e980 100644
@@ -705,7 +705,7 @@ 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,
 MACHINE_END

@@ -715,7 +715,7 @@ 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,
 MACHINE_END

@@ -725,7 +725,7 @@ 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,
 MACHINE_END

index 33007fd..8db46ec 100644
@@ -540,7 +540,7 @@ static void __init omap3_beagle_init_early(void)
 
 static void __init omap3_beagle_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 5a1a916..ddddd3c 100644
@@ -894,7 +894,7 @@ 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,
 MACHINE_END

index b726943..2183199 100644
@@ -225,7 +225,7 @@ 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,
 MACHINE_END

@@ -234,7 +234,7 @@ 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,
 MACHINE_END

index 07dba88..06d532c 100644
@@ -720,7 +720,7 @@ 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,
 MACHINE_END

index a6e0b91..e5e37cb 100644
@@ -587,7 +587,7 @@ static void __init omap3_stalker_init_early(void)
 
 static void __init omap3_stalker_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 127cb17..c9261d4 100644
@@ -422,7 +422,7 @@ static void __init omap3_touchbook_init_early(void)
 
 static void __init omap3_touchbook_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 59ca333..826df4b 100644
@@ -790,7 +790,7 @@ 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,
 MACHINE_END

index 2af8b05..c5e382d 100644
@@ -178,7 +178,7 @@ 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,
 MACHINE_END

index e964895..ceb17c5 100644
@@ -151,7 +151,7 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
 	.reserve	= omap_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,
 MACHINE_END

index 09fa7bf..713c20f 100644
@@ -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,
+	.init_irq	= ti816x_init_irq,
 	.timer		= &omap_timer,
 	.init_machine	= ti8168_evm_init,
 MACHINE_END

index 4b133d7..97a3f0b 100644
@@ -137,7 +137,7 @@ 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,
 MACHINE_END

@@ -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,
 MACHINE_END

index 441e79d..2ce1ce6 100644
@@ -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();
 }
 
 /*

124 lines not on this page · raw message

index 9ef8c29..1c3bcf1 100644
@@ -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>
 

@@ -34,6 +36,10 @@ void __init gic_init_irq(void)
 	void __iomem *gic_cpu_base;
 
 	/* Static mapping, never released */
+	omap_irq_base = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_4K);
+	BUG_ON(!omap_irq_base);
+
+	/* Static mapping, never released */
 	gic_dist_base_addr = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K);
 	BUG_ON(!gic_dist_base_addr);
 

index 5a25098..c884320 100644
@@ -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);

index de88c92..17ed757 100644
@@ -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 = {

index 87f173d..eaff305 100644
@@ -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 */

index 23f4ab9..3fd6b40 100644
@@ -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 */

index ba3bd09..8147b04 100644
@@ -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 = {

index ac48677..1b448f6 100644
@@ -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)

index ba05a51..1bd4d8e 100644
@@ -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")

index 2d9b8cb..5926b0c 100644
@@ -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

index cfd0849..e3cf21d 100644
@@ -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[] = {

index 7c5e211..aed8202 100644
@@ -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 = {

index c9d38f4..8b6a881 100644
@@ -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[] = {

index f04f2d3..f2de43d 100644
@@ -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 = {

index d7bbbe7..7904018 100644
@@ -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[] = {

index 3c8ee84..7f019e5 100644
@@ -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 = {

index d41fe2d..027520f 100644
@@ -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();
 }
 /*----------------------------------------*/
 

index bdc0ac8..a843f4c 100644
@@ -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)

index 731dd33..7d49359 100644
@@ -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;
 

index 1fa6bb8..3d5a1de 100644
@@ -277,7 +277,7 @@ 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,
 MACHINE_END

index 9afd087..8859a74 100644
@@ -909,7 +909,7 @@ 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,
 MACHINE_END

index a5933cc..2ec2d76 100644
@@ -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,
 MACHINE_END

index a890d24..bbd9c14 100644
@@ -110,7 +110,7 @@ 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,
 MACHINE_END

index ce7d5e6..6fc0479 100644
@@ -516,7 +516,7 @@ 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,
 MACHINE_END

index f4f8374..e764c9c 100644
@@ -357,7 +357,7 @@ 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,
 MACHINE_END

index 02a12b4..bc37d72 100644
@@ -806,7 +806,7 @@ 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,
 MACHINE_END

index a27e3ee..b5618a6 100644
@@ -306,7 +306,7 @@ 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,
 MACHINE_END

index 65f9fde..9fedcd6 100644
@@ -457,7 +457,7 @@ static void __init devkit8000_init_early(void)
 
 static void __init devkit8000_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 73e3c31..ccd503a 100644
@@ -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,
 MACHINE_END

index bac7933..2e16d6c 100644
@@ -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 = {

index 5f8a2fd..8bf2650 100644
@@ -708,7 +708,7 @@ MACHINE_START(IGEP0020, "IGEP v2 board")
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= igep2_init_early,
-	.init_irq	= omap_init_irq,
+	.init_irq	= omap3_init_irq,
 	.init_machine	= igep2_init,
 	.timer		= &omap_timer,
 MACHINE_END

index b10db0e..f83a0fe 100644
@@ -452,7 +452,7 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= igep3_init_early,
-	.init_irq	= omap_init_irq,
+	.init_irq	= omap3_init_irq,
 	.init_machine	= igep3_init,
 	.timer		= &omap_timer,
 MACHINE_END

index e2ba779..5036e7d 100644
@@ -466,7 +466,7 @@ 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,
 MACHINE_END

index e710cd9..cf9e980 100644
@@ -705,7 +705,7 @@ 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,
 MACHINE_END

@@ -715,7 +715,7 @@ 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,
 MACHINE_END

@@ -725,7 +725,7 @@ 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,
 MACHINE_END

index 33007fd..8db46ec 100644
@@ -540,7 +540,7 @@ static void __init omap3_beagle_init_early(void)
 
 static void __init omap3_beagle_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 5a1a916..ddddd3c 100644
@@ -894,7 +894,7 @@ 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,
 MACHINE_END

index b726943..2183199 100644
@@ -225,7 +225,7 @@ 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,
 MACHINE_END

@@ -234,7 +234,7 @@ 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,
 MACHINE_END

index 07dba88..06d532c 100644
@@ -720,7 +720,7 @@ 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,
 MACHINE_END

index a6e0b91..e5e37cb 100644
@@ -587,7 +587,7 @@ static void __init omap3_stalker_init_early(void)
 
 static void __init omap3_stalker_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 127cb17..c9261d4 100644
@@ -422,7 +422,7 @@ static void __init omap3_touchbook_init_early(void)
 
 static void __init omap3_touchbook_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 59ca333..826df4b 100644
@@ -790,7 +790,7 @@ 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,
 MACHINE_END

index 2af8b05..c5e382d 100644
@@ -178,7 +178,7 @@ 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,
 MACHINE_END

index e964895..ceb17c5 100644
@@ -151,7 +151,7 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
 	.reserve	= omap_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,
 MACHINE_END

index 09fa7bf..713c20f 100644
@@ -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,
+	.init_irq	= ti816x_init_irq,
 	.timer		= &omap_timer,
 	.init_machine	= ti8168_evm_init,
 MACHINE_END

index 4b133d7..97a3f0b 100644
@@ -137,7 +137,7 @@ 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,
 MACHINE_END

@@ -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,
 MACHINE_END

index 441e79d..2ce1ce6 100644
@@ -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();
 }
 
 /*

124 lines not on this page · raw message

index 9ef8c29..35ac3e5 100644
@@ -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

index 5a25098..c884320 100644
@@ -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);

index de88c92..17ed757 100644
@@ -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 = {

index 87f173d..eaff305 100644
@@ -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 */

index 23f4ab9..3fd6b40 100644
@@ -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 */

index ba3bd09..8147b04 100644
@@ -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 = {

index ac48677..1b448f6 100644
@@ -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)

index ba05a51..1bd4d8e 100644
@@ -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")

index 2d9b8cb..5926b0c 100644
@@ -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

index cfd0849..e3cf21d 100644
@@ -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[] = {

index e68dfde..1e7823d 100644
@@ -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 = {

index c9d38f4..8b6a881 100644
@@ -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[] = {

index f04f2d3..f2de43d 100644
@@ -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 = {

index 45f01d2..6665d2d 100644
@@ -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[] = {

index 3c8ee84..7f019e5 100644
@@ -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 = {

index 0ad781d..24f0f7b 100644
@@ -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();
 }
 /*----------------------------------------*/
 

index 65d2420..98826e2 100644
@@ -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)

index 5d3da7a..e2b9c90 100644
@@ -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;
 

index 1fa6bb8..3d5a1de 100644
@@ -277,7 +277,7 @@ 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,
 MACHINE_END

index 9afd087..8859a74 100644
@@ -909,7 +909,7 @@ 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,
 MACHINE_END

index a5933cc..2ec2d76 100644
@@ -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,
 MACHINE_END

index a890d24..bbd9c14 100644
@@ -110,7 +110,7 @@ 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,
 MACHINE_END

index ce7d5e6..6fc0479 100644
@@ -516,7 +516,7 @@ 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,
 MACHINE_END

index f4f8374..e764c9c 100644
@@ -357,7 +357,7 @@ 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,
 MACHINE_END

index 02a12b4..bc37d72 100644
@@ -806,7 +806,7 @@ 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,
 MACHINE_END

index a27e3ee..b5618a6 100644
@@ -306,7 +306,7 @@ 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,
 MACHINE_END

index 65f9fde..9fedcd6 100644
@@ -457,7 +457,7 @@ static void __init devkit8000_init_early(void)
 
 static void __init devkit8000_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 73e3c31..ccd503a 100644
@@ -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,
 MACHINE_END

index bac7933..2e16d6c 100644
@@ -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 = {

index 34cf982..2f8e1b8 100644
@@ -708,7 +708,7 @@ MACHINE_START(IGEP0020, "IGEP v2 board")
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= igep2_init_early,
-	.init_irq	= omap_init_irq,
+	.init_irq	= omap3_init_irq,
 	.init_machine	= igep2_init,
 	.timer		= &omap_timer,
 MACHINE_END

index 2cf86c3..51c782e 100644
@@ -452,7 +452,7 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= igep3_init_early,
-	.init_irq	= omap_init_irq,
+	.init_irq	= omap3_init_irq,
 	.init_machine	= igep3_init,
 	.timer		= &omap_timer,
 MACHINE_END

index e2ba779..5036e7d 100644
@@ -466,7 +466,7 @@ 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,
 MACHINE_END

index e710cd9..cf9e980 100644
@@ -705,7 +705,7 @@ 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,
 MACHINE_END

@@ -715,7 +715,7 @@ 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,
 MACHINE_END

@@ -725,7 +725,7 @@ 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,
 MACHINE_END

index 33007fd..8db46ec 100644
@@ -540,7 +540,7 @@ static void __init omap3_beagle_init_early(void)
 
 static void __init omap3_beagle_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 5a1a916..ddddd3c 100644
@@ -894,7 +894,7 @@ 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,
 MACHINE_END

index b726943..2183199 100644
@@ -225,7 +225,7 @@ 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,
 MACHINE_END

@@ -234,7 +234,7 @@ 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,
 MACHINE_END

index 07dba88..06d532c 100644
@@ -720,7 +720,7 @@ 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,
 MACHINE_END

index a6e0b91..e5e37cb 100644
@@ -587,7 +587,7 @@ static void __init omap3_stalker_init_early(void)
 
 static void __init omap3_stalker_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 127cb17..c9261d4 100644
@@ -422,7 +422,7 @@ static void __init omap3_touchbook_init_early(void)
 
 static void __init omap3_touchbook_init_irq(void)
 {
-	omap_init_irq();
+	omap3_init_irq();
 #ifdef CONFIG_OMAP_32K_TIMER
 	omap2_gp_clockevent_set_gptimer(12);
 #endif

index 59ca333..826df4b 100644
@@ -790,7 +790,7 @@ 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,
 MACHINE_END

index 2af8b05..c5e382d 100644
@@ -178,7 +178,7 @@ 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,
 MACHINE_END

index e964895..ceb17c5 100644
@@ -151,7 +151,7 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
 	.reserve	= omap_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,
 MACHINE_END

index 09fa7bf..713c20f 100644
@@ -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,
+	.init_irq	= ti816x_init_irq,
 	.timer		= &omap_timer,
 	.init_machine	= ti8168_evm_init,
 MACHINE_END

index 4b133d7..97a3f0b 100644
@@ -137,7 +137,7 @@ 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,
 MACHINE_END

@@ -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,
 MACHINE_END

index 441e79d..2ce1ce6 100644
@@ -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();
 }
 
 /*

index 3af2b7a..dc288d7 100644
@@ -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)
+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)];
 

index 9ef8c29..35ac3e5 100644
@@ -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

index 5a25098..c884320 100644
@@ -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);

index 17ed757..f1ac7fb 100644
@@ -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);

index eaff305..a6b1bea 100644
@@ -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

index 3fd6b40..04fc356 100644
@@ -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

index 8147b04..cb7fb1a 100644
@@ -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

index 1b448f6..31f3487 100644
@@ -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

index 1bd4d8e..36e06ea 100644
@@ -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

index 5926b0c..0b1ba46 100644
@@ -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

index e3cf21d..5469ce2 100644
@@ -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

index aed8202..2de8791 100644
@@ -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

index 8b6a881..459cb6b 100644
@@ -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

index f2de43d..b214f45 100644
@@ -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

index 7904018..be8f5c6 100644
@@ -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

index 7f019e5..67acd41 100644
@@ -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

index 027520f..9e43cd9 100644
@@ -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

index a843f4c..6e67ae1 100644
@@ -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

index 6885d2f..df9c9a6 100644
@@ -322,7 +322,7 @@ 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);

@@ -332,6 +332,6 @@ 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,
 };

index 3d5a1de..aa61aef 100644
@@ -279,5 +279,5 @@ MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 	.init_early	= omap_2430sdp_init_early,
 	.init_irq	= omap2_init_irq,
 	.init_machine	= omap_2430sdp_init,
-	.timer		= &omap_timer,
+	.timer		= &omap243x_timer,
 MACHINE_END

index 8859a74..7194546 100644
@@ -911,5 +911,5 @@ MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
 	.init_early	= omap_3430sdp_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_3430sdp_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 2ec2d76..e4f37b5 100644
@@ -221,5 +221,5 @@ MACHINE_START(OMAP_3630SDP, "OMAP 3630SDP board")
 	.init_early	= omap_sdp_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_sdp_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 56702c5..f740c40 100644
@@ -827,5 +827,5 @@ 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

index bbd9c14..d70007c 100644
@@ -112,5 +112,5 @@ MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
 	.init_early	= am3517_crane_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= am3517_crane_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 6fc0479..7195b1a 100644
@@ -518,5 +518,5 @@ MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
 	.init_early	= am3517_evm_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= am3517_evm_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index e764c9c..2507b07 100644
@@ -359,5 +359,5 @@ MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
 	.init_early	= omap_apollon_init_early,
 	.init_irq	= omap2_init_irq,
 	.init_machine	= omap_apollon_init,
-	.timer		= &omap_timer,
+	.timer		= &omap242x_timer,
 MACHINE_END

index bc37d72..b85f34e 100644
@@ -808,5 +808,5 @@ MACHINE_START(CM_T35, "Compulab CM-T35")
 	.init_early	= cm_t35_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= cm_t35_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index b5618a6..6c4d08c 100644
@@ -308,5 +308,5 @@ MACHINE_START(CM_T3517, "Compulab CM-T3517")
 	.init_early	= cm_t3517_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= cm_t3517_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 9fedcd6..cd465fa 100644
@@ -816,5 +816,5 @@ MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000")
 	.init_early	= devkit8000_init_early,
 	.init_irq	= devkit8000_init_irq,
 	.init_machine	= devkit8000_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_beagle_timer,
 MACHINE_END

index ccd503a..c6ecf60 100644
@@ -72,5 +72,5 @@ MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
 	.init_early	= omap_generic_init_early,
 	.init_irq	= omap2_init_irq,
 	.init_machine	= omap_generic_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 2e16d6c..1a22962 100644
@@ -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		= &omap242x_timer,
 MACHINE_END

index 8bf2650..aee8861 100644
@@ -710,5 +710,5 @@ MACHINE_START(IGEP0020, "IGEP v2 board")
 	.init_early	= igep2_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= igep2_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index f83a0fe..6077113 100644
@@ -454,5 +454,5 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 	.init_early	= igep3_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= igep3_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 5036e7d..e96d51f 100644
@@ -468,5 +468,5 @@ MACHINE_START(OMAP_LDP, "OMAP LDP board")
 	.init_early	= omap_ldp_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_ldp_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index cf9e980..4906e32 100644
@@ -707,7 +707,7 @@ MACHINE_START(NOKIA_N800, "Nokia N800")
 	.init_early	= n8x0_init_early,
 	.init_irq	= omap2_init_irq,
 	.init_machine	= n8x0_init_machine,
-	.timer		= &omap_timer,
+	.timer		= &omap242x_timer,
 MACHINE_END
 
 MACHINE_START(NOKIA_N810, "Nokia N810")

@@ -717,7 +717,7 @@ MACHINE_START(NOKIA_N810, "Nokia N810")
 	.init_early	= n8x0_init_early,
 	.init_irq	= omap2_init_irq,
 	.init_machine	= n8x0_init_machine,
-	.timer		= &omap_timer,
+	.timer		= &omap242x_timer,
 MACHINE_END
 
 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")

@@ -727,5 +727,5 @@ MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
 	.init_early	= n8x0_init_early,
 	.init_irq	= omap2_init_irq,
 	.init_machine	= n8x0_init_machine,
-	.timer		= &omap_timer,
+	.timer		= &omap242x_timer,
 MACHINE_END

index 8db46ec..a4206be 100644
@@ -689,5 +689,5 @@ 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_beagle_timer,
 MACHINE_END

index ddddd3c..4e08569 100644
@@ -896,5 +896,5 @@ MACHINE_START(OMAP3EVM, "OMAP3 EVM")
 	.init_early	= omap3_evm_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap3_evm_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 2183199..7e8ce0a 100644
@@ -227,7 +227,7 @@ MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
 	.init_early	= omap3logic_init_early,
 	.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")

@@ -236,5 +236,5 @@ MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
 	.init_early	= omap3logic_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap3logic_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 06d532c..aea233c 100644
@@ -722,5 +722,5 @@ MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
 	.init_early	= omap3pandora_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap3pandora_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index e5e37cb..fd863cf 100644
@@ -661,5 +661,5 @@ 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_beagle_timer,
 MACHINE_END

index c9261d4..84f4be0 100644
@@ -546,5 +546,5 @@ 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_beagle_timer,
 MACHINE_END

index f3a7b10..e7ce10d 100644
@@ -749,5 +749,5 @@ 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

index 826df4b..f221463 100644
@@ -792,5 +792,5 @@ MACHINE_START(OVERO, "Gumstix Overo")
 	.init_early	= overo_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= overo_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index c5e382d..7a355e7 100644
@@ -180,5 +180,5 @@ MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
 	.init_early	= rm680_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= rm680_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index ceb17c5..3506597 100644
@@ -153,5 +153,5 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
 	.init_early	= rx51_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= rx51_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

index 713c20f..a85d5b0 100644
@@ -52,6 +52,6 @@ MACHINE_START(TI8168EVM, "ti8168evm")
 	.map_io		= ti8168_evm_map_io,
 	.init_early	= ti8168_init_early,
 	.init_irq	= ti816x_init_irq,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 	.init_machine	= ti8168_evm_init,
 MACHINE_END

index 97a3f0b..8a98c3c 100644
@@ -139,7 +139,7 @@ MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
 	.init_early	= omap_zoom_init_early,
 	.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")

@@ -149,5 +149,5 @@ MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
 	.init_early	= omap_zoom_init_early,
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_zoom_init,
-	.timer		= &omap_timer,
+	.timer		= &omap3_timer,
 MACHINE_END

75 lines not on this page · raw message

index 5288130..619f9b3 100644
@@ -34,7 +34,12 @@
 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 omap242x_timer;
+extern struct sys_timer omap243x_timer;
+extern struct sys_timer omap3_timer;
+extern struct sys_timer omap3_beagle_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);

index d6c70d2..330bd17 100644
@@ -57,7 +57,6 @@
 #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);

index ee9f6eb..dfdc3b2 100644
@@ -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

130 lines not on this page · raw message

index dfdc3b2..ff9b732 100644
@@ -170,11 +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);
 }
 
 /*

@@ -186,11 +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)

@@ -207,38 +199,54 @@ static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer)
 	}
 }
 
-static void omap_dm_timer_reset(struct omap_dm_timer *timer)
+/* Assumes the source clock has been set by caller */
+void __omap_dm_timer_reset(struct omap_dm_timer *timer, int autoidle,
+				int wakeup)
 {
 	u32 l;
 
+	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 */
+
+	if (autoidle)
+		l |= 0x1 << 0;
+
+	if (wakeup)
+		l |= 1 << 2;
+
+	omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l);
+
+	/* Match hardware reset default of posted mode */
+	omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG,
+			OMAP_TIMER_CTRL_POSTED);
+	timer->posted = 1;
+}
+
+static void omap_dm_timer_reset(struct omap_dm_timer *timer)
+{
+	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);
 		omap_dm_timer_wait_for_reset(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);
-	timer->posted = 1;
+	__omap_dm_timer_reset(timer, autoidle, wakeup);
 }
 
-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);

@@ -449,16 +457,13 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
 #else
 
-int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+int __omap_dm_timer_set_source(struct clk *timer_fck, struct clk *parent)
 {
-	int ret = -EINVAL;
-
-	if (source < 0 || source >= 3)
-		return -EINVAL;
+	int ret;
 
-	clk_disable(timer->fclk);
-	ret = clk_set_parent(timer->fclk, dm_source_clocks[source]);
-	clk_enable(timer->fclk);
+	clk_disable(timer_fck);
+	ret = clk_set_parent(timer_fck, parent);
+	clk_enable(timer_fck);
 
 	/*
 	 * When the functional clock disappears, too quick writes seem

@@ -468,6 +473,15 @@ int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 
 	return ret;
 }
+
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+{
+	if (source < 0 || source >= 3)
+		return -EINVAL;
+
+	return __omap_dm_timer_set_source(timer->fclk,
+						dm_source_clocks[source]);
+}
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
 #endif

@@ -504,8 +518,7 @@ 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);
 

@@ -558,8 +571,7 @@ 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);
 

@@ -575,17 +587,13 @@ 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);
 

57 lines not on this page · raw message

index b7ea047..c21e99f 100644
@@ -45,10 +45,33 @@
 
 #include "timer-gp.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_BEAGLE_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_BEAGLE_TIMER	1
+#endif
 
 /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
 #define MAX_GPTIMER_ID		12
 
+/* Clockevent code */
+
+static struct omap_dm_timer clkev;
 static struct omap_dm_timer *gptimer;
 static struct clock_event_device clockevent_gpt;
 static u8 __initdata gptimer_id = 1;

@@ -57,10 +80,9 @@ 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);
+	__omap_dm_timer_write_status(clkev.io_base, OMAP_TIMER_INT_OVERFLOW);
 
 	evt->event_handler(evt);
 	return IRQ_HANDLED;

@@ -75,7 +97,8 @@ static struct irqaction omap2_gp_timer_irq = {
 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);
+	__omap_dm_timer_load_start(clkev.io_base, OMAP_TIMER_CTRL_ST,
+						0xffffffff - cycles, 1);
 
 	return 0;
 }

@@ -85,13 +108,13 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
 {
 	u32 period;
 
-	omap_dm_timer_stop(gptimer);
+	omap_dm_timer_stop(&clkev);
 
 	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
-		period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ;
+		period = clkev.rate / HZ;
 		period -= 1;
-		omap_dm_timer_set_load_start(gptimer, 1, 0xffffffff - period);
+		omap_dm_timer_set_load_start(&clkev, 1, 0xffffffff - period);
 		break;
 	case CLOCK_EVT_MODE_ONESHOT:
 		break;

@@ -130,43 +153,88 @@ int __init omap2_gp_clockevent_set_gptimer(u8 id)
 	return 0;
 }
 
-static void __init omap2_gp_clockevent_init(void)
+static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
+						int gptimer_id,
+						const char *fck_source)
 {
-	u32 tick_rate;
-	int src;
-	char clockevent_hwmod_name[8]; /* 8 = sizeof("timerXX0") */
-
-	inited = 1;
+	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;
+	}
 
-	sprintf(clockevent_hwmod_name, "timer%d", gptimer_id);
-	omap_hwmod_setup_one(clockevent_hwmod_name);
+	omap_hwmod_enable(oh);
 
 	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) {
+		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, 1, 1);
+
+	timer->rate = clk_get_rate(timer->fclk);
+
+	timer->reserved = 1;
 
-	if (gptimer_id != 12)
-		WARN(IS_ERR_VALUE(omap_dm_timer_set_source(gptimer, src)),
-		     "timer-gp: omap_dm_timer_set_source() failed\n");
+	return res;
+}
 
-	tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer));
+static void __init omap2_gp_clockevent_init(int gptimer_id,
+						const char *fck_source)
+{
+	int res;
 
-	pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n",
-		gptimer_id, tick_rate);
+	inited = 1;
+
+	res = omap_dm_timer_init_one(&clkev, gptimer_id, fck_source);
+	BUG_ON(res);
 
 	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);
+	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(tick_rate, NSEC_PER_SEC,
+	clockevent_gpt.mult = div_sc(clkev.rate, NSEC_PER_SEC,
 				     clockevent_gpt.shift);
 	clockevent_gpt.max_delta_ns =
 		clockevent_delta2ns(0xffffffff, &clockevent_gpt);

@@ -176,6 +244,9 @@ static void __init omap2_gp_clockevent_init(void)
 
 	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 */

@@ -251,7 +322,7 @@ static void __init omap2_gp_clocksource_init(void)
 static void __init omap242x_timer_init(void)
 {
 	omap_dm_timer_init();
-	omap2_gp_clockevent_init();
+	omap2_gp_clockevent_init(1, OMAP2_CLKEV_SOURCE);
 	omap2_gp_clocksource_init();
 }
 

@@ -262,7 +333,7 @@ struct sys_timer omap242x_timer = {
 static void __init omap243x_timer_init(void)
 {
 	omap_dm_timer_init();
-	omap2_gp_clockevent_init();
+	omap2_gp_clockevent_init(1, OMAP2_CLKEV_SOURCE);
 	omap2_gp_clocksource_init();
 }
 

@@ -275,7 +346,7 @@ struct sys_timer omap243x_timer = {
 static void __init omap3_timer_init(void)
 {
 	omap_dm_timer_init();
-	omap2_gp_clockevent_init();
+	omap2_gp_clockevent_init(1, OMAP3_CLKEV_SOURCE);
 	omap2_gp_clocksource_init();
 }
 

@@ -283,10 +354,14 @@ struct sys_timer omap3_timer = {
 	.init	= omap3_timer_init,
 };
 
+/*
+ * Beagle based designs typically have an issue with gptimer1. Also note
+ * that GPTIMER12 can only use the secure 32KiHz clock source.
+ */
 static void __init omap3_beagle_timer_init(void)
 {
 	omap_dm_timer_init();
-	omap2_gp_clockevent_init();
+	omap2_gp_clockevent_init(OMAP3_BEAGLE_TIMER, OMAP3_CLKEV_SOURCE);
 	omap2_gp_clocksource_init();
 }
 

@@ -303,7 +378,7 @@ static void __init omap4_timer_init(void)
 	BUG_ON(!twd_base);
 #endif
 	omap_dm_timer_init();
-	omap2_gp_clockevent_init();
+	omap2_gp_clockevent_init(1, OMAP4_CLKEV_SOURCE);
 	omap2_gp_clocksource_init();
 }
 

index 21ad28c..5e68974 100644
@@ -213,6 +213,7 @@ struct omap_dm_timer {
 	struct clk *iclk, *fclk;
 #endif
 	void __iomem *io_base;
+	unsigned long rate;
 	unsigned reserved:1;
 	unsigned enabled:1;
 	unsigned posted:1;