diff options
Diffstat (limited to 'arch/arm/mach-omap2')
82 files changed, 2480 insertions, 355 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 8cb16777661a..1d54ad349bfd 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -31,7 +31,7 @@ obj-$(CONFIG_ARCH_OMAP2) += sdrc2xxx.o ifeq ($(CONFIG_PM),y) obj-$(CONFIG_ARCH_OMAP2) += pm24xx.o obj-$(CONFIG_ARCH_OMAP24XX) += sleep24xx.o -obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o +obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o cpuidle34xx.o obj-$(CONFIG_PM_DEBUG) += pm-debug.o endif diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c index 42217b32f835..db9374bc528b 100644 --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -31,12 +31,12 @@ #include <asm/mach/flash.h> #include <mach/gpio.h> -#include <mach/mux.h> -#include <mach/board.h> -#include <mach/common.h> -#include <mach/gpmc.h> -#include <mach/usb.h> -#include <mach/gpmc-smc91x.h> +#include <plat/mux.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/gpmc.h> +#include <plat/usb.h> +#include <plat/gpmc-smc91x.h> #include "mmc-twl4030.h" @@ -221,7 +221,7 @@ static void __init omap_2430sdp_map_io(void) MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") /* Maintainer: Syed Khasim - Texas Instruments Inc */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap_2430sdp_map_io, .init_irq = omap_2430sdp_init_irq, diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index 0acb5560229c..a2abac98c569 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -30,16 +30,16 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/mcspi.h> -#include <mach/mux.h> -#include <mach/board.h> -#include <mach/usb.h> -#include <mach/common.h> -#include <mach/dma.h> -#include <mach/gpmc.h> +#include <plat/mcspi.h> +#include <plat/mux.h> +#include <plat/board.h> +#include <plat/usb.h> +#include <plat/common.h> +#include <plat/dma.h> +#include <plat/gpmc.h> -#include <mach/control.h> -#include <mach/gpmc-smc91x.h> +#include <plat/control.h> +#include <plat/gpmc-smc91x.h> #include "sdram-qimonda-hyb18m512160af-6.h" #include "mmc-twl4030.h" @@ -511,7 +511,7 @@ static void __init omap_3430sdp_map_io(void) MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board") /* Maintainer: Syed Khasim - Texas Instruments Inc */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap_3430sdp_map_io, .init_irq = omap_3430sdp_init_irq, diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 609a5a4a7e29..0c6be6b4a7e2 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -23,10 +23,10 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/board.h> -#include <mach/common.h> -#include <mach/control.h> -#include <mach/timer-gp.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/control.h> +#include <plat/timer-gp.h> #include <asm/hardware/gic.h> static struct platform_device sdp4430_lcd_device = { @@ -52,8 +52,17 @@ static struct omap_board_config_kernel sdp4430_config[] __initdata = { static void __init gic_init_irq(void) { - gic_dist_init(0, OMAP2_IO_ADDRESS(OMAP44XX_GIC_DIST_BASE), 29); - gic_cpu_init(0, OMAP2_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE)); + void __iomem *base; + + /* Static mapping, never released */ + base = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K); + BUG_ON(!base); + gic_dist_init(0, base, 29); + + /* Static mapping, never released */ + gic_cpu_base_addr = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512); + BUG_ON(!gic_cpu_base_addr); + gic_cpu_init(0, gic_cpu_base_addr); } static void __init omap_4430sdp_init_irq(void) @@ -84,7 +93,7 @@ static void __init omap_4430sdp_map_io(void) MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board") /* Maintainer: Santosh Shilimkar - Texas Instruments Inc */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap_4430sdp_map_io, .init_irq = omap_4430sdp_init_irq, diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c index a1132288c701..8a2ce77a02ec 100644 --- a/arch/arm/mach-omap2/board-apollon.c +++ b/arch/arm/mach-omap2/board-apollon.c @@ -33,13 +33,13 @@ #include <asm/mach/flash.h> #include <mach/gpio.h> -#include <mach/led.h> -#include <mach/mux.h> -#include <mach/usb.h> -#include <mach/board.h> -#include <mach/common.h> -#include <mach/gpmc.h> -#include <mach/control.h> +#include <plat/led.h> +#include <plat/mux.h> +#include <plat/usb.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/gpmc.h> +#include <plat/control.h> /* LED & Switch macros */ #define LED0_GPIO13 13 @@ -333,7 +333,7 @@ static void __init omap_apollon_map_io(void) MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon") /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap_apollon_map_io, .init_irq = omap_apollon_init_irq, diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 2e09a1c444cb..7e6e6ca88be5 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -26,10 +26,10 @@ #include <asm/mach/map.h> #include <mach/gpio.h> -#include <mach/mux.h> -#include <mach/usb.h> -#include <mach/board.h> -#include <mach/common.h> +#include <plat/mux.h> +#include <plat/usb.h> +#include <plat/board.h> +#include <plat/common.h> static struct omap_board_config_kernel generic_config[] = { }; @@ -56,7 +56,7 @@ static void __init omap_generic_map_io(void) MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx") /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap_generic_map_io, .init_irq = omap_generic_init_irq, diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index eaa02d012c5c..cfb7f1257d20 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -31,16 +31,16 @@ #include <asm/mach/map.h> #include <asm/mach/flash.h> -#include <mach/control.h> +#include <plat/control.h> #include <mach/gpio.h> -#include <mach/mux.h> -#include <mach/usb.h> -#include <mach/board.h> -#include <mach/common.h> -#include <mach/keypad.h> -#include <mach/menelaus.h> -#include <mach/dma.h> -#include <mach/gpmc.h> +#include <plat/mux.h> +#include <plat/usb.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/keypad.h> +#include <plat/menelaus.h> +#include <plat/dma.h> +#include <plat/gpmc.h> #define H4_FLASH_CS 0 #define H4_SMC91X_CS 1 @@ -376,7 +376,7 @@ static void __init omap_h4_map_io(void) MACHINE_START(OMAP_H4, "OMAP2420 H4 board") /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap_h4_map_io, .init_irq = omap_h4_init_irq, diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index d57ec2f4d0a9..c062238fe881 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -33,15 +33,15 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/mcspi.h> +#include <plat/mcspi.h> #include <mach/gpio.h> -#include <mach/board.h> -#include <mach/common.h> -#include <mach/gpmc.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/gpmc.h> #include <asm/delay.h> -#include <mach/control.h> -#include <mach/usb.h> +#include <plat/control.h> +#include <plat/usb.h> #include "mmc-twl4030.h" @@ -399,7 +399,7 @@ static void __init omap_ldp_map_io(void) MACHINE_START(OMAP_LDP, "OMAP LDP board") .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap_ldp_map_io, .init_irq = omap_ldp_init_irq, diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 8341632d260b..764ab1ed576d 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -23,12 +23,12 @@ #include <asm/mach/arch.h> #include <asm/mach-types.h> -#include <mach/board.h> -#include <mach/common.h> +#include <plat/board.h> +#include <plat/common.h> #include <mach/irqs.h> -#include <mach/mcspi.h> -#include <mach/onenand.h> -#include <mach/serial.h> +#include <plat/mcspi.h> +#include <plat/onenand.h> +#include <plat/serial.h> static struct omap2_mcspi_device_config p54spi_mcspi_config = { .turbo_mode = 0, @@ -121,7 +121,7 @@ static void __init n8x0_init_machine(void) MACHINE_START(NOKIA_N800, "Nokia N800") .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = n8x0_map_io, .init_irq = n8x0_init_irq, @@ -131,7 +131,7 @@ MACHINE_END MACHINE_START(NOKIA_N810, "Nokia N810") .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = n8x0_map_io, .init_irq = n8x0_init_irq, @@ -141,7 +141,7 @@ MACHINE_END MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX") .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = n8x0_map_io, .init_irq = n8x0_init_irq, diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 08b0816afa61..76c727ed8da5 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -37,13 +37,13 @@ #include <asm/mach/map.h> #include <asm/mach/flash.h> -#include <mach/board.h> -#include <mach/common.h> -#include <mach/gpmc.h> -#include <mach/nand.h> -#include <mach/mux.h> -#include <mach/usb.h> -#include <mach/timer-gp.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/gpmc.h> +#include <plat/nand.h> +#include <plat/mux.h> +#include <plat/usb.h> +#include <plat/timer-gp.h> #include "mmc-twl4030.h" @@ -429,7 +429,7 @@ static void __init omap3_beagle_map_io(void) MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap3_beagle_map_io, .init_irq = omap3_beagle_init_irq, diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 4c4d7f8dbd72..522ff6288c6f 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -33,11 +33,11 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/board.h> -#include <mach/mux.h> -#include <mach/usb.h> -#include <mach/common.h> -#include <mach/mcspi.h> +#include <plat/board.h> +#include <plat/mux.h> +#include <plat/usb.h> +#include <plat/common.h> +#include <plat/mcspi.h> #include "sdram-micron-mt46h32m32lf-6.h" #include "mmc-twl4030.h" @@ -324,7 +324,7 @@ static void __init omap3_evm_map_io(void) MACHINE_START(OMAP3EVM, "OMAP3 EVM") /* Maintainer: Syed Mohammed Khasim - Texas Instruments */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap3_evm_map_io, .init_irq = omap3_evm_init_irq, diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 7519edb69155..7fb9023b4239 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -34,13 +34,13 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/board.h> -#include <mach/common.h> +#include <plat/board.h> +#include <plat/common.h> #include <mach/gpio.h> #include <mach/hardware.h> -#include <mach/mcspi.h> -#include <mach/usb.h> -#include <mach/mux.h> +#include <plat/mcspi.h> +#include <plat/usb.h> +#include <plat/mux.h> #include "sdram-micron-mt46h32m32lf-6.h" #include "mmc-twl4030.h" @@ -412,7 +412,7 @@ static void __init omap3pandora_map_io(void) MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console") .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap3pandora_map_io, .init_irq = omap3pandora_init_irq, diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 9917d2fddc2f..461522c1bced 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -38,14 +38,14 @@ #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <mach/board.h> -#include <mach/common.h> +#include <plat/board.h> +#include <plat/common.h> #include <mach/gpio.h> -#include <mach/gpmc.h> +#include <plat/gpmc.h> #include <mach/hardware.h> -#include <mach/nand.h> -#include <mach/mux.h> -#include <mach/usb.h> +#include <plat/nand.h> +#include <plat/mux.h> +#include <plat/usb.h> #include "sdram-micron-mt46h32m32lf-6.h" #include "mmc-twl4030.h" @@ -67,7 +67,7 @@ #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) -#include <mach/mcspi.h> +#include <plat/mcspi.h> #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> @@ -451,7 +451,7 @@ static void __init overo_map_io(void) MACHINE_START(OVERO, "Gumstix Overo") .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = overo_map_io, .init_irq = overo_init_irq, diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index e34d96a825e3..cf4583a5d284 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -22,14 +22,14 @@ #include <linux/gpio.h> #include <linux/mmc/host.h> -#include <mach/mcspi.h> -#include <mach/mux.h> -#include <mach/board.h> -#include <mach/common.h> -#include <mach/dma.h> -#include <mach/gpmc.h> -#include <mach/onenand.h> -#include <mach/gpmc-smc91x.h> +#include <plat/mcspi.h> +#include <plat/mux.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/dma.h> +#include <plat/gpmc.h> +#include <plat/onenand.h> +#include <plat/gpmc-smc91x.h> #include "mmc-twl4030.h" diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c index 78869a9a1cc2..f1e7e5bbf985 100644 --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c @@ -22,13 +22,13 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/mcspi.h> -#include <mach/mux.h> -#include <mach/board.h> -#include <mach/common.h> -#include <mach/dma.h> -#include <mach/gpmc.h> -#include <mach/usb.h> +#include <plat/mcspi.h> +#include <plat/mux.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/dma.h> +#include <plat/gpmc.h> +#include <plat/usb.h> static struct omap_lcd_config rx51_lcd_config = { .ctrl_name = "internal", @@ -84,7 +84,7 @@ static void __init rx51_map_io(void) MACHINE_START(NOKIA_RX51, "Nokia RX-51 board") /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = rx51_map_io, .init_irq = rx51_init_irq, diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c index 1f13e2a1f322..91ecddc9057a 100644 --- a/arch/arm/mach-omap2/board-zoom-debugboard.c +++ b/arch/arm/mach-omap2/board-zoom-debugboard.c @@ -14,7 +14,7 @@ #include <linux/smsc911x.h> #include <linux/interrupt.h> -#include <mach/gpmc.h> +#include <plat/gpmc.h> #define ZOOM2_SMSC911X_CS 7 #define ZOOM2_SMSC911X_GPIO 158 diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c index 51e0b3ba5f3a..ea01a0fa07fb 100644 --- a/arch/arm/mach-omap2/board-zoom2.c +++ b/arch/arm/mach-omap2/board-zoom2.c @@ -21,8 +21,8 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <mach/common.h> -#include <mach/usb.h> +#include <plat/common.h> +#include <plat/usb.h> #include "mmc-twl4030.h" #include "sdram-micron-mt46h32m32lf-6.h" @@ -282,7 +282,7 @@ static void __init omap_zoom2_map_io(void) MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board") .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap_zoom2_map_io, .init_irq = omap_zoom2_init_irq, diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index f2a92d614f0f..4716206547ac 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -24,13 +24,13 @@ #include <linux/io.h> #include <linux/bitops.h> -#include <mach/clock.h> -#include <mach/clockdomain.h> -#include <mach/cpu.h> -#include <mach/prcm.h> +#include <plat/clock.h> +#include <plat/clockdomain.h> +#include <plat/cpu.h> +#include <plat/prcm.h> #include <asm/div64.h> -#include <mach/sdrc.h> +#include <plat/sdrc.h> #include "sdrc.h" #include "clock.h" #include "prm.h" diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index 9ae7540f8af2..43b6bedaafd6 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -16,7 +16,7 @@ #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_H #define __ARCH_ARM_MACH_OMAP2_CLOCK_H -#include <mach/clock.h> +#include <plat/clock.h> /* The maximum error between a target DPLL rate and the rounded rate in Hz */ #define DEFAULT_DPLL_RATE_TOLERANCE 50000 diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index e2dbedd581e8..e70e7e000eaa 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -28,13 +28,13 @@ #include <linux/cpufreq.h> #include <linux/bitops.h> -#include <mach/clock.h> -#include <mach/sram.h> -#include <mach/prcm.h> +#include <plat/clock.h> +#include <plat/sram.h> +#include <plat/prcm.h> #include <asm/div64.h> #include <asm/clkdev.h> -#include <mach/sdrc.h> +#include <plat/sdrc.h> #include "clock.h" #include "prm.h" #include "prm-regbits-24xx.h" diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c index 7c5c00df3c70..225c1a7385ee 100644 --- a/arch/arm/mach-omap2/clock34xx.c +++ b/arch/arm/mach-omap2/clock34xx.c @@ -27,13 +27,13 @@ #include <linux/limits.h> #include <linux/bitops.h> -#include <mach/cpu.h> -#include <mach/clock.h> -#include <mach/sram.h> +#include <plat/cpu.h> +#include <plat/clock.h> +#include <plat/sram.h> #include <asm/div64.h> #include <asm/clkdev.h> -#include <mach/sdrc.h> +#include <plat/sdrc.h> #include "clock.h" #include "prm.h" #include "prm-regbits-34xx.h" diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index 9565c05bebd2..8fe1bcb23dd9 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -19,7 +19,7 @@ #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H #define __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H -#include <mach/control.h> +#include <plat/control.h> #include "clock.h" #include "cm.h" diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 58aff8485df9..fcd82320a6a3 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -28,14 +28,14 @@ #include <linux/bitops.h> -#include <mach/clock.h> +#include <plat/clock.h> #include "prm.h" #include "prm-regbits-24xx.h" #include "cm.h" -#include <mach/powerdomain.h> -#include <mach/clockdomain.h> +#include <plat/powerdomain.h> +#include <plat/clockdomain.h> /* clkdm_list contains all registered struct clockdomains */ static LIST_HEAD(clkdm_list); diff --git a/arch/arm/mach-omap2/clockdomains.h b/arch/arm/mach-omap2/clockdomains.h index fe319ae4ca0a..c4ee0761d908 100644 --- a/arch/arm/mach-omap2/clockdomains.h +++ b/arch/arm/mach-omap2/clockdomains.h @@ -10,7 +10,7 @@ #ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_H #define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_H -#include <mach/clockdomain.h> +#include <plat/clockdomain.h> /* * OMAP2/3-common clockdomains diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h index cfd0b726ba44..a2fcfcc253cc 100644 --- a/arch/arm/mach-omap2/cm.h +++ b/arch/arm/mach-omap2/cm.h @@ -17,11 +17,11 @@ #include "prcm-common.h" #define OMAP2420_CM_REGADDR(module, reg) \ - OMAP2_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg)) + OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg)) #define OMAP2430_CM_REGADDR(module, reg) \ - OMAP2_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg)) + OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg)) #define OMAP34XX_CM_REGADDR(module, reg) \ - OMAP2_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg)) + OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg)) /* * Architecture-specific global CM registers diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index 5f3aad977842..cdd1f35636dd 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -15,11 +15,127 @@ #include <linux/kernel.h> #include <linux/io.h> -#include <mach/common.h> -#include <mach/control.h> +#include <plat/common.h> +#include <plat/control.h> +#include <plat/sdrc.h> +#include "cm-regbits-34xx.h" +#include "prm-regbits-34xx.h" +#include "cm.h" +#include "prm.h" +#include "sdrc.h" static void __iomem *omap2_ctrl_base; +#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM) +struct omap3_scratchpad { + u32 boot_config_ptr; + u32 public_restore_ptr; + u32 secure_ram_restore_ptr; + u32 sdrc_module_semaphore; + u32 prcm_block_offset; + u32 sdrc_block_offset; +}; + +struct omap3_scratchpad_prcm_block { + u32 prm_clksrc_ctrl; + u32 prm_clksel; + u32 cm_clksel_core; + u32 cm_clksel_wkup; + u32 cm_clken_pll; + u32 cm_autoidle_pll; + u32 cm_clksel1_pll; + u32 cm_clksel2_pll; + u32 cm_clksel3_pll; + u32 cm_clken_pll_mpu; + u32 cm_autoidle_pll_mpu; + u32 cm_clksel1_pll_mpu; + u32 cm_clksel2_pll_mpu; + u32 prcm_block_size; +}; + +struct omap3_scratchpad_sdrc_block { + u16 sysconfig; + u16 cs_cfg; + u16 sharing; + u16 err_type; + u32 dll_a_ctrl; + u32 dll_b_ctrl; + u32 power; + u32 cs_0; + u32 mcfg_0; + u16 mr_0; + u16 emr_1_0; + u16 emr_2_0; + u16 emr_3_0; + u32 actim_ctrla_0; + u32 actim_ctrlb_0; + u32 rfr_ctrl_0; + u32 cs_1; + u32 mcfg_1; + u16 mr_1; + u16 emr_1_1; + u16 emr_2_1; + u16 emr_3_1; + u32 actim_ctrla_1; + u32 actim_ctrlb_1; + u32 rfr_ctrl_1; + u16 dcdl_1_ctrl; + u16 dcdl_2_ctrl; + u32 flags; + u32 block_size; +}; + +void *omap3_secure_ram_storage; + +/* + * This is used to store ARM registers in SDRAM before attempting + * an MPU OFF. The save and restore happens from the SRAM sleep code. + * The address is stored in scratchpad, so that it can be used + * during the restore path. + */ +u32 omap3_arm_context[128]; + +struct omap3_control_regs { + u32 sysconfig; + u32 devconf0; + u32 mem_dftrw0; + u32 mem_dftrw1; + u32 msuspendmux_0; + u32 msuspendmux_1; + u32 msuspendmux_2; + u32 msuspendmux_3; + u32 msuspendmux_4; + u32 msuspendmux_5; + u32 sec_ctrl; + u32 devconf1; + u32 csirxfe; + u32 iva2_bootaddr; + u32 iva2_bootmod; + u32 debobs_0; + u32 debobs_1; + u32 debobs_2; + u32 debobs_3; + u32 debobs_4; + u32 debobs_5; + u32 debobs_6; + u32 debobs_7; + u32 debobs_8; + u32 prog_io0; + u32 prog_io1; + u32 dss_dpll_spreading; + u32 core_dpll_spreading; + u32 per_dpll_spreading; + u32 usbhost_dpll_spreading; + u32 pbias_lite; + u32 temp_sensor; + u32 sramldo4; + u32 sramldo5; + u32 csi; +}; + +static struct omap3_control_regs control_context; +#endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */ + #define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg)) void __init omap2_set_globals_control(struct omap_globals *omap2_globals) @@ -62,3 +178,268 @@ void omap_ctrl_writel(u32 val, u16 offset) __raw_writel(val, OMAP_CTRL_REGADDR(offset)); } +#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM) +/* + * Clears the scratchpad contents in case of cold boot- + * called during bootup + */ +void omap3_clear_scratchpad_contents(void) +{ + u32 max_offset = OMAP343X_SCRATCHPAD_ROM_OFFSET; + u32 *v_addr; + u32 offset = 0; + v_addr = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD_ROM); + if (prm_read_mod_reg(OMAP3430_GR_MOD, OMAP3_PRM_RSTST_OFFSET) & + OMAP3430_GLOBAL_COLD_RST) { + for ( ; offset <= max_offset; offset += 0x4) + __raw_writel(0x0, (v_addr + offset)); + prm_set_mod_reg_bits(OMAP3430_GLOBAL_COLD_RST, OMAP3430_GR_MOD, + OMAP3_PRM_RSTST_OFFSET); + } +} + +/* Populate the scratchpad structure with restore structure */ +void omap3_save_scratchpad_contents(void) +{ + void * __iomem scratchpad_address; + u32 arm_context_addr; + struct omap3_scratchpad scratchpad_contents; + struct omap3_scratchpad_prcm_block prcm_block_contents; + struct omap3_scratchpad_sdrc_block sdrc_block_contents; + + /* Populate the Scratchpad contents */ + scratchpad_contents.boot_config_ptr = 0x0; + if (omap_rev() != OMAP3430_REV_ES3_0 && + omap_rev() != OMAP3430_REV_ES3_1) + scratchpad_contents.public_restore_ptr = + virt_to_phys(get_restore_pointer()); + else + scratchpad_contents.public_restore_ptr = + virt_to_phys(get_es3_restore_pointer()); + if (omap_type() == OMAP2_DEVICE_TYPE_GP) + scratchpad_contents.secure_ram_restore_ptr = 0x0; + else + scratchpad_contents.secure_ram_restore_ptr = + (u32) __pa(omap3_secure_ram_storage); + scratchpad_contents.sdrc_module_semaphore = 0x0; + scratchpad_contents.prcm_block_offset = 0x2C; + scratchpad_contents.sdrc_block_offset = 0x64; + + /* Populate the PRCM block contents */ + prcm_block_contents.prm_clksrc_ctrl = prm_read_mod_reg(OMAP3430_GR_MOD, + OMAP3_PRM_CLKSRC_CTRL_OFFSET); + prcm_block_contents.prm_clksel = prm_read_mod_reg(OMAP3430_CCR_MOD, + OMAP3_PRM_CLKSEL_OFFSET); + prcm_block_contents.cm_clksel_core = + cm_read_mod_reg(CORE_MOD, CM_CLKSEL); + prcm_block_contents.cm_clksel_wkup = + cm_read_mod_reg(WKUP_MOD, CM_CLKSEL); + prcm_block_contents.cm_clken_pll = + cm_read_mod_reg(PLL_MOD, CM_CLKEN); + prcm_block_contents.cm_autoidle_pll = + cm_read_mod_reg(PLL_MOD, OMAP3430_CM_AUTOIDLE_PLL); + prcm_block_contents.cm_clksel1_pll = + cm_read_mod_reg(PLL_MOD, OMAP3430_CM_CLKSEL1_PLL); + prcm_block_contents.cm_clksel2_pll = + cm_read_mod_reg(PLL_MOD, OMAP3430_CM_CLKSEL2_PLL); + prcm_block_contents.cm_clksel3_pll = + cm_read_mod_reg(PLL_MOD, OMAP3430_CM_CLKSEL3); + prcm_block_contents.cm_clken_pll_mpu = + cm_read_mod_reg(MPU_MOD, OMAP3430_CM_CLKEN_PLL); + prcm_block_contents.cm_autoidle_pll_mpu = + cm_read_mod_reg(MPU_MOD, OMAP3430_CM_AUTOIDLE_PLL); + prcm_block_contents.cm_clksel1_pll_mpu = + cm_read_mod_reg(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL); + prcm_block_contents.cm_clksel2_pll_mpu = + cm_read_mod_reg(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL); + prcm_block_contents.prcm_block_size = 0x0; + + /* Populate the SDRC block contents */ + sdrc_block_contents.sysconfig = + (sdrc_read_reg(SDRC_SYSCONFIG) & 0xFFFF); + sdrc_block_contents.cs_cfg = + (sdrc_read_reg(SDRC_CS_CFG) & 0xFFFF); + sdrc_block_contents.sharing = + (sdrc_read_reg(SDRC_SHARING) & 0xFFFF); + sdrc_block_contents.err_type = + (sdrc_read_reg(SDRC_ERR_TYPE) & 0xFFFF); + sdrc_block_contents.dll_a_ctrl = sdrc_read_reg(SDRC_DLLA_CTRL); + sdrc_block_contents.dll_b_ctrl = 0x0; + /* + * Due to a OMAP3 errata (1.142), on EMU/HS devices SRDC should + * be programed to issue automatic self refresh on timeout + * of AUTO_CNT = 1 prior to any transition to OFF mode. + */ + if ((omap_type() != OMAP2_DEVICE_TYPE_GP) + && (omap_rev() >= OMAP3430_REV_ES3_0)) + sdrc_block_contents.power = (sdrc_read_reg(SDRC_POWER) & + ~(SDRC_POWER_AUTOCOUNT_MASK| + SDRC_POWER_CLKCTRL_MASK)) | + (1 << SDRC_POWER_AUTOCOUNT_SHIFT) | + SDRC_SELF_REFRESH_ON_AUTOCOUNT; + else + sdrc_block_contents.power = sdrc_read_reg(SDRC_POWER); + + sdrc_block_contents.cs_0 = 0x0; + sdrc_block_contents.mcfg_0 = sdrc_read_reg(SDRC_MCFG_0); + sdrc_block_contents.mr_0 = (sdrc_read_reg(SDRC_MR_0) & 0xFFFF); + sdrc_block_contents.emr_1_0 = 0x0; + sdrc_block_contents.emr_2_0 = 0x0; + sdrc_block_contents.emr_3_0 = 0x0; + sdrc_block_contents.actim_ctrla_0 = + sdrc_read_reg(SDRC_ACTIM_CTRL_A_0); + sdrc_block_contents.actim_ctrlb_0 = + sdrc_read_reg(SDRC_ACTIM_CTRL_B_0); + sdrc_block_contents.rfr_ctrl_0 = + sdrc_read_reg(SDRC_RFR_CTRL_0); + sdrc_block_contents.cs_1 = 0x0; + sdrc_block_contents.mcfg_1 = sdrc_read_reg(SDRC_MCFG_1); + sdrc_block_contents.mr_1 = sdrc_read_reg(SDRC_MR_1) & 0xFFFF; + sdrc_block_contents.emr_1_1 = 0x0; + sdrc_block_contents.emr_2_1 = 0x0; + sdrc_block_contents.emr_3_1 = 0x0; + sdrc_block_contents.actim_ctrla_1 = + sdrc_read_reg(SDRC_ACTIM_CTRL_A_1); + sdrc_block_contents.actim_ctrlb_1 = + sdrc_read_reg(SDRC_ACTIM_CTRL_B_1); + sdrc_block_contents.rfr_ctrl_1 = + sdrc_read_reg(SDRC_RFR_CTRL_1); + sdrc_block_contents.dcdl_1_ctrl = 0x0; + sdrc_block_contents.dcdl_2_ctrl = 0x0; + sdrc_block_contents.flags = 0x0; + sdrc_block_contents.block_size = 0x0; + + arm_context_addr = virt_to_phys(omap3_arm_context); + + /* Copy all the contents to the scratchpad location */ + scratchpad_address = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD); + memcpy_toio(scratchpad_address, &scratchpad_contents, + sizeof(scratchpad_contents)); + /* Scratchpad contents being 32 bits, a divide by 4 done here */ + memcpy_toio(scratchpad_address + + scratchpad_contents.prcm_block_offset, + &prcm_block_contents, sizeof(prcm_block_contents)); + memcpy_toio(scratchpad_address + + scratchpad_contents.sdrc_block_offset, + &sdrc_block_contents, sizeof(sdrc_block_contents)); + /* + * Copies the address of the location in SDRAM where ARM + * registers get saved during a MPU OFF transition. + */ + memcpy_toio(scratchpad_address + + scratchpad_contents.sdrc_block_offset + + sizeof(sdrc_block_contents), &arm_context_addr, 4); +} + +void omap3_control_save_context(void) +{ + control_context.sysconfig = omap_ctrl_readl(OMAP2_CONTROL_SYSCONFIG); + control_context.devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + control_context.mem_dftrw0 = + omap_ctrl_readl(OMAP343X_CONTROL_MEM_DFTRW0); + control_context.mem_dftrw1 = + omap_ctrl_readl(OMAP343X_CONTROL_MEM_DFTRW1); + control_context.msuspendmux_0 = + omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_0); + control_context.msuspendmux_1 = + omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_1); + control_context.msuspendmux_2 = + omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_2); + control_context.msuspendmux_3 = + omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_3); + control_context.msuspendmux_4 = + omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_4); + control_context.msuspendmux_5 = + omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_5); + control_context.sec_ctrl = omap_ctrl_readl(OMAP2_CONTROL_SEC_CTRL); + control_context.devconf1 = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1); + control_context.csirxfe = omap_ctrl_readl(OMAP343X_CONTROL_CSIRXFE); + control_context.iva2_bootaddr = + omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTADDR); + control_context.iva2_bootmod = + omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTMOD); + control_context.debobs_0 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(0)); + control_context.debobs_1 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(1)); + control_context.debobs_2 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(2)); + control_context.debobs_3 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(3)); + control_context.debobs_4 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(4)); + control_context.debobs_5 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(5)); + control_context.debobs_6 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(6)); + control_context.debobs_7 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(7)); + control_context.debobs_8 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(8)); + control_context.prog_io0 = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO0); + control_context.prog_io1 = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1); + control_context.dss_dpll_spreading = + omap_ctrl_readl(OMAP343X_CONTROL_DSS_DPLL_SPREADING); + control_context.core_dpll_spreading = + omap_ctrl_readl(OMAP343X_CONTROL_CORE_DPLL_SPREADING); + control_context.per_dpll_spreading = + omap_ctrl_readl(OMAP343X_CONTROL_PER_DPLL_SPREADING); + control_context.usbhost_dpll_spreading = + omap_ctrl_readl(OMAP343X_CONTROL_USBHOST_DPLL_SPREADING); + control_context.pbias_lite = + omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE); + control_context.temp_sensor = + omap_ctrl_readl(OMAP343X_CONTROL_TEMP_SENSOR); + control_context.sramldo4 = omap_ctrl_readl(OMAP343X_CONTROL_SRAMLDO4); + control_context.sramldo5 = omap_ctrl_readl(OMAP343X_CONTROL_SRAMLDO5); + control_context.csi = omap_ctrl_readl(OMAP343X_CONTROL_CSI); + return; +} + +void omap3_control_restore_context(void) +{ + omap_ctrl_writel(control_context.sysconfig, OMAP2_CONTROL_SYSCONFIG); + omap_ctrl_writel(control_context.devconf0, OMAP2_CONTROL_DEVCONF0); + omap_ctrl_writel(control_context.mem_dftrw0, + OMAP343X_CONTROL_MEM_DFTRW0); + omap_ctrl_writel(control_context.mem_dftrw1, + OMAP343X_CONTROL_MEM_DFTRW1); + omap_ctrl_writel(control_context.msuspendmux_0, + OMAP2_CONTROL_MSUSPENDMUX_0); + omap_ctrl_writel(control_context.msuspendmux_1, + OMAP2_CONTROL_MSUSPENDMUX_1); + omap_ctrl_writel(control_context.msuspendmux_2, + OMAP2_CONTROL_MSUSPENDMUX_2); + omap_ctrl_writel(control_context.msuspendmux_3, + OMAP2_CONTROL_MSUSPENDMUX_3); + omap_ctrl_writel(control_context.msuspendmux_4, + OMAP2_CONTROL_MSUSPENDMUX_4); + omap_ctrl_writel(control_context.msuspendmux_5, + OMAP2_CONTROL_MSUSPENDMUX_5); + omap_ctrl_writel(control_context.sec_ctrl, OMAP2_CONTROL_SEC_CTRL); + omap_ctrl_writel(control_context.devconf1, OMAP343X_CONTROL_DEVCONF1); + omap_ctrl_writel(control_context.csirxfe, OMAP343X_CONTROL_CSIRXFE); + omap_ctrl_writel(control_context.iva2_bootaddr, + OMAP343X_CONTROL_IVA2_BOOTADDR); + omap_ctrl_writel(control_context.iva2_bootmod, + OMAP343X_CONTROL_IVA2_BOOTMOD); + omap_ctrl_writel(control_context.debobs_0, OMAP343X_CONTROL_DEBOBS(0)); + omap_ctrl_writel(control_context.debobs_1, OMAP343X_CONTROL_DEBOBS(1)); + omap_ctrl_writel(control_context.debobs_2, OMAP343X_CONTROL_DEBOBS(2)); + omap_ctrl_writel(control_context.debobs_3, OMAP343X_CONTROL_DEBOBS(3)); + omap_ctrl_writel(control_context.debobs_4, OMAP343X_CONTROL_DEBOBS(4)); + omap_ctrl_writel(control_context.debobs_5, OMAP343X_CONTROL_DEBOBS(5)); + omap_ctrl_writel(control_context.debobs_6, OMAP343X_CONTROL_DEBOBS(6)); + omap_ctrl_writel(control_context.debobs_7, OMAP343X_CONTROL_DEBOBS(7)); + omap_ctrl_writel(control_context.debobs_8, OMAP343X_CONTROL_DEBOBS(8)); + omap_ctrl_writel(control_context.prog_io0, OMAP343X_CONTROL_PROG_IO0); + omap_ctrl_writel(control_context.prog_io1, OMAP343X_CONTROL_PROG_IO1); + omap_ctrl_writel(control_context.dss_dpll_spreading, + OMAP343X_CONTROL_DSS_DPLL_SPREADING); + omap_ctrl_writel(control_context.core_dpll_spreading, + OMAP343X_CONTROL_CORE_DPLL_SPREADING); + omap_ctrl_writel(control_context.per_dpll_spreading, + OMAP343X_CONTROL_PER_DPLL_SPREADING); + omap_ctrl_writel(control_context.usbhost_dpll_spreading, + OMAP343X_CONTROL_USBHOST_DPLL_SPREADING); + omap_ctrl_writel(control_context.pbias_lite, + OMAP343X_CONTROL_PBIAS_LITE); + omap_ctrl_writel(control_context.temp_sensor, + OMAP343X_CONTROL_TEMP_SENSOR); + omap_ctrl_writel(control_context.sramldo4, OMAP343X_CONTROL_SRAMLDO4); + omap_ctrl_writel(control_context.sramldo5, OMAP343X_CONTROL_SRAMLDO5); + omap_ctrl_writel(control_context.csi, OMAP343X_CONTROL_CSI); + return; +} +#endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */ diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c new file mode 100644 index 000000000000..a26d6a08ae3f --- /dev/null +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -0,0 +1,318 @@ +/* + * linux/arch/arm/mach-omap2/cpuidle34xx.c + * + * OMAP3 CPU IDLE Routines + * + * Copyright (C) 2008 Texas Instruments, Inc. + * Rajendra Nayak <rnayak@ti.com> + * + * Copyright (C) 2007 Texas Instruments, Inc. + * Karthik Dasu <karthik-dp@ti.com> + * + * Copyright (C) 2006 Nokia Corporation + * Tony Lindgren <tony@atomide.com> + * + * Copyright (C) 2005 Texas Instruments, Inc. + * Richard Woodruff <r-woodruff2@ti.com> + * + * Based on pm.c for omap2 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/sched.h> +#include <linux/cpuidle.h> + +#include <plat/prcm.h> +#include <plat/irqs.h> +#include <plat/powerdomain.h> +#include <plat/clockdomain.h> +#include <plat/control.h> +#include <plat/serial.h> + +#include "pm.h" + +#ifdef CONFIG_CPU_IDLE + +#define OMAP3_MAX_STATES 7 +#define OMAP3_STATE_C1 0 /* C1 - MPU WFI + Core active */ +#define OMAP3_STATE_C2 1 /* C2 - MPU WFI + Core inactive */ +#define OMAP3_STATE_C3 2 /* C3 - MPU CSWR + Core inactive */ +#define OMAP3_STATE_C4 3 /* C4 - MPU OFF + Core iactive */ +#define OMAP3_STATE_C5 4 /* C5 - MPU RET + Core RET */ +#define OMAP3_STATE_C6 5 /* C6 - MPU OFF + Core RET */ +#define OMAP3_STATE_C7 6 /* C7 - MPU OFF + Core OFF */ + +struct omap3_processor_cx { + u8 valid; + u8 type; + u32 sleep_latency; + u32 wakeup_latency; + u32 mpu_state; + u32 core_state; + u32 threshold; + u32 flags; +}; + +struct omap3_processor_cx omap3_power_states[OMAP3_MAX_STATES]; +struct omap3_processor_cx current_cx_state; +struct powerdomain *mpu_pd, *core_pd; + +static int omap3_idle_bm_check(void) +{ + if (!omap3_can_sleep()) + return 1; + return 0; +} + +static int _cpuidle_allow_idle(struct powerdomain *pwrdm, + struct clockdomain *clkdm) +{ + omap2_clkdm_allow_idle(clkdm); + return 0; +} + +static int _cpuidle_deny_idle(struct powerdomain *pwrdm, + struct clockdomain *clkdm) +{ + omap2_clkdm_deny_idle(clkdm); + return 0; +} + +/** + * omap3_enter_idle - Programs OMAP3 to enter the specified state + * @dev: cpuidle device + * @state: The target state to be programmed + * + * Called from the CPUidle framework to program the device to the + * specified target state selected by the governor. + */ +static int omap3_enter_idle(struct cpuidle_device *dev, + struct cpuidle_state *state) +{ + struct omap3_processor_cx *cx = cpuidle_get_statedata(state); + struct timespec ts_preidle, ts_postidle, ts_idle; + u32 mpu_state = cx->mpu_state, core_state = cx->core_state; + + current_cx_state = *cx; + + /* Used to keep track of the total time in idle */ + getnstimeofday(&ts_preidle); + + local_irq_disable(); + local_fiq_disable(); + + if (!enable_off_mode) { + if (mpu_state < PWRDM_POWER_RET) + mpu_state = PWRDM_POWER_RET; + if (core_state < PWRDM_POWER_RET) + core_state = PWRDM_POWER_RET; + } + + pwrdm_set_next_pwrst(mpu_pd, mpu_state); + pwrdm_set_next_pwrst(core_pd, core_state); + + if (omap_irq_pending() || need_resched()) + goto return_sleep_time; + + if (cx->type == OMAP3_STATE_C1) { + pwrdm_for_each_clkdm(mpu_pd, _cpuidle_deny_idle); + pwrdm_for_each_clkdm(core_pd, _cpuidle_deny_idle); + } + + /* Execute ARM wfi */ + omap_sram_idle(); + + if (cx->type == OMAP3_STATE_C1) { + pwrdm_for_each_clkdm(mpu_pd, _cpuidle_allow_idle); + pwrdm_for_each_clkdm(core_pd, _cpuidle_allow_idle); + } + +return_sleep_time: + getnstimeofday(&ts_postidle); + ts_idle = timespec_sub(ts_postidle, ts_preidle); + + local_irq_enable(); + local_fiq_enable(); + + return (u32)timespec_to_ns(&ts_idle)/1000; +} + +/** + * omap3_enter_idle_bm - Checks for any bus activity + * @dev: cpuidle device + * @state: The target state to be programmed + * + * Used for C states with CPUIDLE_FLAG_CHECK_BM flag set. This + * function checks for any pending activity and then programs the + * device to the specified or a safer state. + */ +static int omap3_enter_idle_bm(struct cpuidle_device *dev, + struct cpuidle_state *state) +{ + struct cpuidle_state *new_state = state; + + if ((state->flags & CPUIDLE_FLAG_CHECK_BM) && omap3_idle_bm_check()) { + BUG_ON(!dev->safe_state); + new_state = dev->safe_state; + } + + dev->last_state = new_state; + return omap3_enter_idle(dev, new_state); +} + +DEFINE_PER_CPU(struct cpuidle_device, omap3_idle_dev); + +/* omap3_init_power_states - Initialises the OMAP3 specific C states. + * + * Below is the desciption of each C state. + * C1 . MPU WFI + Core active + * C2 . MPU WFI + Core inactive + * C3 . MPU CSWR + Core inactive + * C4 . MPU OFF + Core inactive + * C5 . MPU CSWR + Core CSWR + * C6 . MPU OFF + Core CSWR + * C7 . MPU OFF + Core OFF + */ +void omap_init_power_states(void) +{ + /* C1 . MPU WFI + Core active */ + omap3_power_states[OMAP3_STATE_C1].valid = 1; + omap3_power_states[OMAP3_STATE_C1].type = OMAP3_STATE_C1; + omap3_power_states[OMAP3_STATE_C1].sleep_latency = 2; + omap3_power_states[OMAP3_STATE_C1].wakeup_latency = 2; + omap3_power_states[OMAP3_STATE_C1].threshold = 5; + omap3_power_states[OMAP3_STATE_C1].mpu_state = PWRDM_POWER_ON; + omap3_power_states[OMAP3_STATE_C1].core_state = PWRDM_POWER_ON; + omap3_power_states[OMAP3_STATE_C1].flags = CPUIDLE_FLAG_TIME_VALID; + + /* C2 . MPU WFI + Core inactive */ + omap3_power_states[OMAP3_STATE_C2].valid = 1; + omap3_power_states[OMAP3_STATE_C2].type = OMAP3_STATE_C2; + omap3_power_states[OMAP3_STATE_C2].sleep_latency = 10; + omap3_power_states[OMAP3_STATE_C2].wakeup_latency = 10; + omap3_power_states[OMAP3_STATE_C2].threshold = 30; + omap3_power_states[OMAP3_STATE_C2].mpu_state = PWRDM_POWER_ON; + omap3_power_states[OMAP3_STATE_C2].core_state = PWRDM_POWER_ON; + omap3_power_states[OMAP3_STATE_C2].flags = CPUIDLE_FLAG_TIME_VALID; + + /* C3 . MPU CSWR + Core inactive */ + omap3_power_states[OMAP3_STATE_C3].valid = 1; + omap3_power_states[OMAP3_STATE_C3].type = OMAP3_STATE_C3; + omap3_power_states[OMAP3_STATE_C3].sleep_latency = 50; + omap3_power_states[OMAP3_STATE_C3].wakeup_latency = 50; + omap3_power_states[OMAP3_STATE_C3].threshold = 300; + omap3_power_states[OMAP3_STATE_C3].mpu_state = PWRDM_POWER_RET; + omap3_power_states[OMAP3_STATE_C3].core_state = PWRDM_POWER_ON; + omap3_power_states[OMAP3_STATE_C3].flags = CPUIDLE_FLAG_TIME_VALID | + CPUIDLE_FLAG_CHECK_BM; + + /* C4 . MPU OFF + Core inactive */ + omap3_power_states[OMAP3_STATE_C4].valid = 1; + omap3_power_states[OMAP3_STATE_C4].type = OMAP3_STATE_C4; + omap3_power_states[OMAP3_STATE_C4].sleep_latency = 1500; + omap3_power_states[OMAP3_STATE_C4].wakeup_latency = 1800; + omap3_power_states[OMAP3_STATE_C4].threshold = 4000; + omap3_power_states[OMAP3_STATE_C4].mpu_state = PWRDM_POWER_OFF; + omap3_power_states[OMAP3_STATE_C4].core_state = PWRDM_POWER_ON; + omap3_power_states[OMAP3_STATE_C4].flags = CPUIDLE_FLAG_TIME_VALID | + CPUIDLE_FLAG_CHECK_BM; + + /* C5 . MPU CSWR + Core CSWR*/ + omap3_power_states[OMAP3_STATE_C5].valid = 1; + omap3_power_states[OMAP3_STATE_C5].type = OMAP3_STATE_C5; + omap3_power_states[OMAP3_STATE_C5].sleep_latency = 2500; + omap3_power_states[OMAP3_STATE_C5].wakeup_latency = 7500; + omap3_power_states[OMAP3_STATE_C5].threshold = 12000; + omap3_power_states[OMAP3_STATE_C5].mpu_state = PWRDM_POWER_RET; + omap3_power_states[OMAP3_STATE_C5].core_state = PWRDM_POWER_RET; + omap3_power_states[OMAP3_STATE_C5].flags = CPUIDLE_FLAG_TIME_VALID | + CPUIDLE_FLAG_CHECK_BM; + + /* C6 . MPU OFF + Core CSWR */ + omap3_power_states[OMAP3_STATE_C6].valid = 1; + omap3_power_states[OMAP3_STATE_C6].type = OMAP3_STATE_C6; + omap3_power_states[OMAP3_STATE_C6].sleep_latency = 3000; + omap3_power_states[OMAP3_STATE_C6].wakeup_latency = 8500; + omap3_power_states[OMAP3_STATE_C6].threshold = 15000; + omap3_power_states[OMAP3_STATE_C6].mpu_state = PWRDM_POWER_OFF; + omap3_power_states[OMAP3_STATE_C6].core_state = PWRDM_POWER_RET; + omap3_power_states[OMAP3_STATE_C6].flags = CPUIDLE_FLAG_TIME_VALID | + CPUIDLE_FLAG_CHECK_BM; + + /* C7 . MPU OFF + Core OFF */ + omap3_power_states[OMAP3_STATE_C7].valid = 1; + omap3_power_states[OMAP3_STATE_C7].type = OMAP3_STATE_C7; + omap3_power_states[OMAP3_STATE_C7].sleep_latency = 10000; + omap3_power_states[OMAP3_STATE_C7].wakeup_latency = 30000; + omap3_power_states[OMAP3_STATE_C7].threshold = 300000; + omap3_power_states[OMAP3_STATE_C7].mpu_state = PWRDM_POWER_OFF; + omap3_power_states[OMAP3_STATE_C7].core_state = PWRDM_POWER_OFF; + omap3_power_states[OMAP3_STATE_C7].flags = CPUIDLE_FLAG_TIME_VALID | + CPUIDLE_FLAG_CHECK_BM; +} + +struct cpuidle_driver omap3_idle_driver = { + .name = "omap3_idle", + .owner = THIS_MODULE, +}; + +/** + * omap3_idle_init - Init routine for OMAP3 idle + * + * Registers the OMAP3 specific cpuidle driver with the cpuidle + * framework with the valid set of states. + */ +int __init omap3_idle_init(void) +{ + int i, count = 0; + struct omap3_processor_cx *cx; + struct cpuidle_state *state; + struct cpuidle_device *dev; + + mpu_pd = pwrdm_lookup("mpu_pwrdm"); + core_pd = pwrdm_lookup("core_pwrdm"); + + omap_init_power_states(); + cpuidle_register_driver(&omap3_idle_driver); + + dev = &per_cpu(omap3_idle_dev, smp_processor_id()); + + for (i = OMAP3_STATE_C1; i < OMAP3_MAX_STATES; i++) { + cx = &omap3_power_states[i]; + state = &dev->states[count]; + + if (!cx->valid) + continue; + cpuidle_set_statedata(state, cx); + state->exit_latency = cx->sleep_latency + cx->wakeup_latency; + state->target_residency = cx->threshold; + state->flags = cx->flags; + state->enter = (state->flags & CPUIDLE_FLAG_CHECK_BM) ? + omap3_enter_idle_bm : omap3_enter_idle; + if (cx->type == OMAP3_STATE_C1) + dev->safe_state = state; + sprintf(state->name, "C%d", count+1); + count++; + } + + if (!count) + return -EINVAL; + dev->state_count = count; + + if (cpuidle_register_device(dev)) { + printk(KERN_ERR "%s: CPUidle register device failed\n", + __func__); + return -EIO; + } + + return 0; +} +#else +int __init omap3_idle_init(void) +{ + return 0; +} +#endif /* CONFIG_CPU_IDLE */ diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index faf7a1e0c525..7d4513b619f2 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -20,12 +20,12 @@ #include <asm/mach-types.h> #include <asm/mach/map.h> -#include <mach/control.h> -#include <mach/tc.h> -#include <mach/board.h> -#include <mach/mux.h> +#include <plat/control.h> +#include <plat/tc.h> +#include <plat/board.h> +#include <plat/mux.h> #include <mach/gpio.h> -#include <mach/mmc.h> +#include <plat/mmc.h> #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) @@ -250,7 +250,7 @@ static inline void omap_init_sti(void) {} #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) -#include <mach/mcspi.h> +#include <plat/mcspi.h> #define OMAP2_MCSPI1_BASE 0x48098000 #define OMAP2_MCSPI2_BASE 0x4809a000 diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index 54fec53a48e7..7bb69220adfa 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -17,9 +17,9 @@ #include <asm/mach/flash.h> -#include <mach/onenand.h> -#include <mach/board.h> -#include <mach/gpmc.h> +#include <plat/onenand.h> +#include <plat/board.h> +#include <plat/gpmc.h> static struct omap_onenand_platform_data *gpmc_onenand_data; diff --git a/arch/arm/mach-omap2/gpmc-smc91x.c b/arch/arm/mach-omap2/gpmc-smc91x.c index df99d31d8b64..6083e21b3be6 100644 --- a/arch/arm/mach-omap2/gpmc-smc91x.c +++ b/arch/arm/mach-omap2/gpmc-smc91x.c @@ -17,9 +17,9 @@ #include <linux/io.h> #include <linux/smc91x.h> -#include <mach/board.h> -#include <mach/gpmc.h> -#include <mach/gpmc-smc91x.h> +#include <plat/board.h> +#include <plat/gpmc.h> +#include <plat/gpmc-smc91x.h> static struct omap_smc91x_platform_data *gpmc_cfg; diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index f3c992e29651..e86f5ca180ea 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -24,9 +24,9 @@ #include <linux/module.h> #include <asm/mach-types.h> -#include <mach/gpmc.h> +#include <plat/gpmc.h> -#include <mach/sdrc.h> +#include <plat/sdrc.h> /* GPMC register offsets */ #define GPMC_REVISION 0x00 @@ -62,6 +62,33 @@ #define ENABLE_PREFETCH (0x1 << 7) #define DMA_MPU_MODE 2 +/* Structure to save gpmc cs context */ +struct gpmc_cs_config { + u32 config1; + u32 config2; + u32 config3; + u32 config4; + u32 config5; + u32 config6; + u32 config7; + int is_valid; +}; + +/* + * Structure to save/restore gpmc context + * to support core off on OMAP3 + */ +struct omap3_gpmc_regs { + u32 sysconfig; + u32 irqenable; + u32 timeout_ctrl; + u32 config; + u32 prefetch_config1; + u32 prefetch_config2; + u32 prefetch_control; + struct gpmc_cs_config cs_context[GPMC_CS_NUM]; +}; + static struct resource gpmc_mem_root; static struct resource gpmc_cs_mem[GPMC_CS_NUM]; static DEFINE_SPINLOCK(gpmc_mem_lock); @@ -261,7 +288,7 @@ static void gpmc_cs_enable_mem(int cs, u32 base, u32 size) l = (base >> GPMC_CHUNK_SHIFT) & 0x3f; l &= ~(0x0f << 8); l |= ((mask >> GPMC_CHUNK_SHIFT) & 0x0f) << 8; - l |= 1 << 6; /* CSVALID */ + l |= GPMC_CONFIG7_CSVALID; gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, l); } @@ -270,7 +297,7 @@ static void gpmc_cs_disable_mem(int cs) u32 l; l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7); - l &= ~(1 << 6); /* CSVALID */ + l &= ~GPMC_CONFIG7_CSVALID; gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, l); } @@ -290,7 +317,7 @@ static int gpmc_cs_mem_enabled(int cs) u32 l; l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7); - return l & (1 << 6); + return l & GPMC_CONFIG7_CSVALID; } int gpmc_cs_set_reserved(int cs, int reserved) @@ -516,3 +543,68 @@ void __init gpmc_init(void) gpmc_write_reg(GPMC_SYSCONFIG, l); gpmc_mem_init(); } + +#ifdef CONFIG_ARCH_OMAP3 +static struct omap3_gpmc_regs gpmc_context; + +void omap3_gpmc_save_context() +{ + int i; + gpmc_context.sysconfig = gpmc_read_reg(GPMC_SYSCONFIG); + gpmc_context.irqenable = gpmc_read_reg(GPMC_IRQENABLE); + gpmc_context.timeout_ctrl = gpmc_read_reg(GPMC_TIMEOUT_CONTROL); + gpmc_context.config = gpmc_read_reg(GPMC_CONFIG); + gpmc_context.prefetch_config1 = gpmc_read_reg(GPMC_PREFETCH_CONFIG1); + gpmc_context.prefetch_config2 = gpmc_read_reg(GPMC_PREFETCH_CONFIG2); + gpmc_context.prefetch_control = gpmc_read_reg(GPMC_PREFETCH_CONTROL); + for (i = 0; i < GPMC_CS_NUM; i++) { + gpmc_context.cs_context[i].is_valid = gpmc_cs_mem_enabled(i); + if (gpmc_context.cs_context[i].is_valid) { + gpmc_context.cs_context[i].config1 = + gpmc_cs_read_reg(i, GPMC_CS_CONFIG1); + gpmc_context.cs_context[i].config2 = + gpmc_cs_read_reg(i, GPMC_CS_CONFIG2); + gpmc_context.cs_context[i].config3 = + gpmc_cs_read_reg(i, GPMC_CS_CONFIG3); + gpmc_context.cs_context[i].config4 = + gpmc_cs_read_reg(i, GPMC_CS_CONFIG4); + gpmc_context.cs_context[i].config5 = + gpmc_cs_read_reg(i, GPMC_CS_CONFIG5); + gpmc_context.cs_context[i].config6 = + gpmc_cs_read_reg(i, GPMC_CS_CONFIG6); + gpmc_context.cs_context[i].config7 = + gpmc_cs_read_reg(i, GPMC_CS_CONFIG7); + } + } +} + +void omap3_gpmc_restore_context() +{ + int i; + gpmc_write_reg(GPMC_SYSCONFIG, gpmc_context.sysconfig); + gpmc_write_reg(GPMC_IRQENABLE, gpmc_context.irqenable); + gpmc_write_reg(GPMC_TIMEOUT_CONTROL, gpmc_context.timeout_ctrl); + gpmc_write_reg(GPMC_CONFIG, gpmc_context.config); + gpmc_write_reg(GPMC_PREFETCH_CONFIG1, gpmc_context.prefetch_config1); + gpmc_write_reg(GPMC_PREFETCH_CONFIG2, gpmc_context.prefetch_config2); + gpmc_write_reg(GPMC_PREFETCH_CONTROL, gpmc_context.prefetch_control); + for (i = 0; i < GPMC_CS_NUM; i++) { + if (gpmc_context.cs_context[i].is_valid) { + gpmc_cs_write_reg(i, GPMC_CS_CONFIG1, + gpmc_context.cs_context[i].config1); + gpmc_cs_write_reg(i, GPMC_CS_CONFIG2, + gpmc_context.cs_context[i].config2); + gpmc_cs_write_reg(i, GPMC_CS_CONFIG3, + gpmc_context.cs_context[i].config3); + gpmc_cs_write_reg(i, GPMC_CS_CONFIG4, + gpmc_context.cs_context[i].config4); + gpmc_cs_write_reg(i, GPMC_CS_CONFIG5, + gpmc_context.cs_context[i].config5); + gpmc_cs_write_reg(i, GPMC_CS_CONFIG6, + gpmc_context.cs_context[i].config6); + gpmc_cs_write_reg(i, GPMC_CS_CONFIG7, + gpmc_context.cs_context[i].config7); + } + } +} +#endif /* CONFIG_ARCH_OMAP3 */ diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index a98201cc265c..d28e6fec7e47 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -21,9 +21,9 @@ #include <asm/cputype.h> -#include <mach/common.h> -#include <mach/control.h> -#include <mach/cpu.h> +#include <plat/common.h> +#include <plat/control.h> +#include <plat/cpu.h> static struct omap_chip_id omap_chip; static unsigned int omap_revision; diff --git a/arch/arm/mach-omap2/include/mach/clkdev.h b/arch/arm/mach-omap2/include/mach/clkdev.h new file mode 100644 index 000000000000..53b027441c56 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/clkdev.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/clkdev.h + */ + +#include <plat/clkdev.h> diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S new file mode 100644 index 000000000000..e9f255df9163 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/debug-macro.S @@ -0,0 +1,59 @@ +/* arch/arm/mach-omap2/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? +#ifdef CONFIG_ARCH_OMAP2 + moveq \rx, #0x48000000 @ physical base address + movne \rx, #0xfa000000 @ virtual base + orr \rx, \rx, #0x0006a000 +#ifdef CONFIG_OMAP_LL_DEBUG_UART2 + add \rx, \rx, #0x00002000 @ UART 2 +#endif +#ifdef CONFIG_OMAP_LL_DEBUG_UART3 + add \rx, \rx, #0x00004000 @ UART 3 +#endif + +#elif defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) + moveq \rx, #0x48000000 @ physical base address + movne \rx, #0xfa000000 @ virtual base + orr \rx, \rx, #0x0006a000 +#ifdef CONFIG_OMAP_LL_DEBUG_UART2 + add \rx, \rx, #0x00002000 @ UART 2 +#endif +#ifdef CONFIG_OMAP_LL_DEBUG_UART3 + add \rx, \rx, #0x00fb0000 @ UART 3 + add \rx, \rx, #0x00006000 +#endif +#endif + .endm + + .macro senduart,rd,rx + strb \rd, [\rx] + .endm + + .macro busyuart,rd,rx +1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends + and \rd, \rd, #0x60 + teq \rd, #0x60 + beq 1002f + ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only + and \rd, \rd, #0x60 + teq \rd, #0x60 + bne 1001b +1002: + .endm + + .macro waituart,rd,rx + .endm diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S b/arch/arm/mach-omap2/include/mach/entry-macro.S new file mode 100644 index 000000000000..c7f1720bf282 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/entry-macro.S @@ -0,0 +1,124 @@ +/* + * arch/arm/plat-omap/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for OMAP-based platforms + * + * Copyright (C) 2009 Texas Instruments + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#include <mach/hardware.h> +#include <mach/io.h> +#include <mach/irqs.h> +#include <asm/hardware/gic.h> + +#include <plat/omap24xx.h> +#include <plat/omap34xx.h> + +/* REVISIT: This should be set dynamically if CONFIG_MULTI_OMAP2 is selected */ +#if defined(CONFIG_ARCH_OMAP2420) || defined(CONFIG_ARCH_OMAP2430) +#define OMAP2_VA_IC_BASE OMAP2_L4_IO_ADDRESS(OMAP24XX_IC_BASE) +#elif defined(CONFIG_ARCH_OMAP34XX) +#define OMAP2_VA_IC_BASE OMAP2_L4_IO_ADDRESS(OMAP34XX_IC_BASE) +#endif +#if defined(CONFIG_ARCH_OMAP4) +#include <plat/omap44xx.h> +#endif +#define INTCPS_SIR_IRQ_OFFSET 0x0040 /* Active interrupt offset */ +#define ACTIVEIRQ_MASK 0x7f /* Active interrupt bits */ + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + +#ifndef CONFIG_ARCH_OMAP4 + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =OMAP2_VA_IC_BASE + ldr \irqnr, [\base, #0x98] /* IRQ pending reg 1 */ + cmp \irqnr, #0x0 + bne 2222f + ldr \irqnr, [\base, #0xb8] /* IRQ pending reg 2 */ + cmp \irqnr, #0x0 + bne 2222f + ldr \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */ + cmp \irqnr, #0x0 +2222: + ldrne \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET] + and \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */ + + .endm +#else +#define OMAP44XX_VA_GIC_CPU_BASE OMAP2_L4_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE) + + /* + * The interrupt numbering scheme is defined in the + * interrupt controller spec. To wit: + * + * Interrupts 0-15 are IPI + * 16-28 are reserved + * 29-31 are local. We allow 30 to be used for the watchdog. + * 32-1020 are global + * 1021-1022 are reserved + * 1023 is "spurious" (no interrupt) + * + * For now, we ignore all local interrupts so only return an + * interrupt if it's between 30 and 1020. The test_for_ipi + * routine below will pick up on IPIs. + * A simple read from the controller will tell us the number + * of the highest priority enabled interrupt. + * We then just need to check whether it is in the + * valid range for an IRQ (30-1020 inclusive). + */ + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =OMAP44XX_VA_GIC_CPU_BASE + ldr \irqstat, [\base, #GIC_CPU_INTACK] + + ldr \tmp, =1021 + + bic \irqnr, \irqstat, #0x1c00 + + cmp \irqnr, #29 + cmpcc \irqnr, \irqnr + cmpne \irqnr, \tmp + cmpcs \irqnr, \irqnr + .endm + + /* We assume that irqstat (the raw value of the IRQ acknowledge + * register) is preserved from the macro above. + * If there is an IPI, we immediately signal end of interrupt + * on the controller, since this requires the original irqstat + * value which we won't easily be able to recreate later. + */ + + .macro test_for_ipi, irqnr, irqstat, base, tmp + bic \irqnr, \irqstat, #0x1c00 + cmp \irqnr, #16 + it cc + strcc \irqstat, [\base, #GIC_CPU_EOI] + it cs + cmpcs \irqnr, \irqnr + .endm + + /* As above, this assumes that irqstat and base are preserved */ + + .macro test_for_ltirq, irqnr, irqstat, base, tmp + bic \irqnr, \irqstat, #0x1c00 + mov \tmp, #0 + cmp \irqnr, #29 + itt eq + moveq \tmp, #1 + streq \irqstat, [\base, #GIC_CPU_EOI] + cmp \tmp, #0 + .endm +#endif + + .macro irq_prio_table + .endm diff --git a/arch/arm/mach-omap2/include/mach/gpio.h b/arch/arm/mach-omap2/include/mach/gpio.h new file mode 100644 index 000000000000..be4d290d57ee --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/gpio.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/gpio.h + */ + +#include <plat/gpio.h> diff --git a/arch/arm/mach-omap2/include/mach/hardware.h b/arch/arm/mach-omap2/include/mach/hardware.h new file mode 100644 index 000000000000..78edf9d33f71 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/hardware.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/hardware.h + */ + +#include <plat/hardware.h> diff --git a/arch/arm/mach-omap2/include/mach/io.h b/arch/arm/mach-omap2/include/mach/io.h new file mode 100644 index 000000000000..fd78f31aa1ad --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/io.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/io.h + */ + +#include <plat/io.h> diff --git a/arch/arm/mach-omap2/include/mach/irqs.h b/arch/arm/mach-omap2/include/mach/irqs.h new file mode 100644 index 000000000000..44dab7725696 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/irqs.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/irqs.h + */ + +#include <plat/irqs.h> diff --git a/arch/arm/mach-omap2/include/mach/memory.h b/arch/arm/mach-omap2/include/mach/memory.h new file mode 100644 index 000000000000..ca6d32a917dd --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/memory.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/memory.h + */ + +#include <plat/memory.h> diff --git a/arch/arm/mach-omap2/include/mach/smp.h b/arch/arm/mach-omap2/include/mach/smp.h new file mode 100644 index 000000000000..323675f21b69 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/smp.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/smp.h + */ + +#include <plat/smp.h> diff --git a/arch/arm/mach-omap2/include/mach/system.h b/arch/arm/mach-omap2/include/mach/system.h new file mode 100644 index 000000000000..d488721ab90b --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/system.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/system.h + */ + +#include <plat/system.h> diff --git a/arch/arm/mach-omap2/include/mach/timex.h b/arch/arm/mach-omap2/include/mach/timex.h new file mode 100644 index 000000000000..de9f8fc40e7c --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/timex.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/timex.h + */ + +#include <plat/timex.h> diff --git a/arch/arm/mach-omap2/include/mach/uncompress.h b/arch/arm/mach-omap2/include/mach/uncompress.h new file mode 100644 index 000000000000..78e0557bfd4e --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/uncompress.h @@ -0,0 +1,5 @@ +/* + * arch/arm/mach-omap2/include/mach/uncompress.h + */ + +#include <plat/uncompress.h> diff --git a/arch/arm/mach-omap2/include/mach/vmalloc.h b/arch/arm/mach-omap2/include/mach/vmalloc.h new file mode 100644 index 000000000000..9ce9b6e8ad23 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/vmalloc.h @@ -0,0 +1,20 @@ +/* + * arch/arm/plat-omap/include/mach/vmalloc.h + * + * Copyright (C) 2000 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#define VMALLOC_END (PAGE_OFFSET + 0x38000000) diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 56be87d13edb..59d28b2fd8c5 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -27,24 +27,24 @@ #include <asm/mach/map.h> -#include <mach/mux.h> -#include <mach/omapfb.h> -#include <mach/sram.h> -#include <mach/sdrc.h> -#include <mach/gpmc.h> -#include <mach/serial.h> +#include <plat/mux.h> +#include <plat/omapfb.h> +#include <plat/sram.h> +#include <plat/sdrc.h> +#include <plat/gpmc.h> +#include <plat/serial.h> #ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdev is ready */ #include "clock.h" -#include <mach/omap-pm.h> -#include <mach/powerdomain.h> +#include <plat/omap-pm.h> +#include <plat/powerdomain.h> #include "powerdomains.h" -#include <mach/clockdomain.h> +#include <plat/clockdomain.h> #include "clockdomains.h" #endif -#include <mach/omap_hwmod.h> +#include <plat/omap_hwmod.h> #include "omap_hwmod_2420.h" #include "omap_hwmod_2430.h" #include "omap_hwmod_34xx.h" @@ -203,6 +203,24 @@ static struct map_desc omap44xx_io_desc[] __initdata = { .type = MT_DEVICE, }, { + .virtual = OMAP44XX_EMIF1_VIRT, + .pfn = __phys_to_pfn(OMAP44XX_EMIF1_PHYS), + .length = OMAP44XX_EMIF1_SIZE, + .type = MT_DEVICE, + }, + { + .virtual = OMAP44XX_EMIF2_VIRT, + .pfn = __phys_to_pfn(OMAP44XX_EMIF2_PHYS), + .length = OMAP44XX_EMIF2_SIZE, + .type = MT_DEVICE, + }, + { + .virtual = OMAP44XX_DMM_VIRT, + .pfn = __phys_to_pfn(OMAP44XX_DMM_PHYS), + .length = OMAP44XX_DMM_SIZE, + .type = MT_DEVICE, + }, + { .virtual = L4_PER_44XX_VIRT, .pfn = __phys_to_pfn(L4_PER_44XX_PHYS), .length = L4_PER_44XX_SIZE, diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c index 4a0e1cd5c1f4..6f4b7cc8f4d1 100644 --- a/arch/arm/mach-omap2/iommu2.c +++ b/arch/arm/mach-omap2/iommu2.c @@ -17,7 +17,7 @@ #include <linux/module.h> #include <linux/stringify.h> -#include <mach/iommu.h> +#include <plat/iommu.h> /* * omap2 architecture specific register bit definitions diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index b82863887f10..e9bc782fa414 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -25,6 +25,10 @@ #define INTC_SYSSTATUS 0x0014 #define INTC_SIR 0x0040 #define INTC_CONTROL 0x0048 +#define INTC_PROTECTION 0x004C +#define INTC_IDLE 0x0050 +#define INTC_THRESHOLD 0x0068 +#define INTC_MIR0 0x0084 #define INTC_MIR_CLEAR0 0x0088 #define INTC_MIR_SET0 0x008c #define INTC_PENDING_IRQ0 0x0098 @@ -48,6 +52,18 @@ static struct omap_irq_bank { }, }; +/* Structure to save interrupt controller context */ +struct omap3_intc_regs { + u32 sysconfig; + u32 protection; + u32 idle; + u32 threshold; + u32 ilr[INTCPS_NR_IRQS]; + u32 mir[INTCPS_NR_MIR_REGS]; +}; + +static struct omap3_intc_regs intc_context[ARRAY_SIZE(irq_banks)]; + /* INTC bank register get/set */ static void intc_bank_write_reg(u32 val, struct omap_irq_bank *bank, u16 reg) @@ -178,12 +194,20 @@ void __init omap_init_irq(void) int i; for (i = 0; i < ARRAY_SIZE(irq_banks); i++) { + unsigned long base; struct omap_irq_bank *bank = irq_banks + i; if (cpu_is_omap24xx()) - bank->base_reg = OMAP2_IO_ADDRESS(OMAP24XX_IC_BASE); + base = OMAP24XX_IC_BASE; else if (cpu_is_omap34xx()) - bank->base_reg = OMAP2_IO_ADDRESS(OMAP34XX_IC_BASE); + base = OMAP34XX_IC_BASE; + + /* Static mapping, never released */ + bank->base_reg = ioremap(base, SZ_4K); + if (!bank->base_reg) { + printk(KERN_ERR "Could not ioremap irq bank%i\n", i); + continue; + } omap_irq_bank_init_one(bank); @@ -201,3 +225,53 @@ void __init omap_init_irq(void) } } +#ifdef CONFIG_ARCH_OMAP3 +void omap_intc_save_context(void) +{ + int ind = 0, i = 0; + for (ind = 0; ind < ARRAY_SIZE(irq_banks); ind++) { + struct omap_irq_bank *bank = irq_banks + ind; + intc_context[ind].sysconfig = + intc_bank_read_reg(bank, INTC_SYSCONFIG); + intc_context[ind].protection = + intc_bank_read_reg(bank, INTC_PROTECTION); + intc_context[ind].idle = + intc_bank_read_reg(bank, INTC_IDLE); + intc_context[ind].threshold = + intc_bank_read_reg(bank, INTC_THRESHOLD); + for (i = 0; i < INTCPS_NR_IRQS; i++) + intc_context[ind].ilr[i] = + intc_bank_read_reg(bank, (0x100 + 0x4*i)); + for (i = 0; i < INTCPS_NR_MIR_REGS; i++) + intc_context[ind].mir[i] = + intc_bank_read_reg(&irq_banks[0], INTC_MIR0 + + (0x20 * i)); + } +} + +void omap_intc_restore_context(void) +{ + int ind = 0, i = 0; + + for (ind = 0; ind < ARRAY_SIZE(irq_banks); ind++) { + struct omap_irq_bank *bank = irq_banks + ind; + intc_bank_write_reg(intc_context[ind].sysconfig, + bank, INTC_SYSCONFIG); + intc_bank_write_reg(intc_context[ind].sysconfig, + bank, INTC_SYSCONFIG); + intc_bank_write_reg(intc_context[ind].protection, + bank, INTC_PROTECTION); + intc_bank_write_reg(intc_context[ind].idle, + bank, INTC_IDLE); + intc_bank_write_reg(intc_context[ind].threshold, + bank, INTC_THRESHOLD); + for (i = 0; i < INTCPS_NR_IRQS; i++) + intc_bank_write_reg(intc_context[ind].ilr[i], + bank, (0x100 + 0x4*i)); + for (i = 0; i < INTCPS_NR_MIR_REGS; i++) + intc_bank_write_reg(intc_context[ind].mir[i], + &irq_banks[0], INTC_MIR0 + (0x20 * i)); + } + /* MIRs are saved and restore with other PRCM registers */ +} +#endif /* CONFIG_ARCH_OMAP3 */ diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c index ef57b38a56a4..5ba3aa69465e 100644 --- a/arch/arm/mach-omap2/mailbox.c +++ b/arch/arm/mach-omap2/mailbox.c @@ -15,7 +15,7 @@ #include <linux/err.h> #include <linux/platform_device.h> #include <linux/io.h> -#include <mach/mailbox.h> +#include <plat/mailbox.h> #include <mach/irqs.h> #define MAILBOX_REVISION 0x000 diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index a846aa1ebb4d..baa451733850 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -18,10 +18,10 @@ #include <linux/platform_device.h> #include <mach/irqs.h> -#include <mach/dma.h> -#include <mach/mux.h> -#include <mach/cpu.h> -#include <mach/mcbsp.h> +#include <plat/dma.h> +#include <plat/mux.h> +#include <plat/cpu.h> +#include <plat/mcbsp.h> static void omap2_mcbsp2_mux_setup(void) { diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c index c9c59a2db4e2..340391468909 100644 --- a/arch/arm/mach-omap2/mmc-twl4030.c +++ b/arch/arm/mach-omap2/mmc-twl4030.c @@ -20,9 +20,9 @@ #include <linux/regulator/consumer.h> #include <mach/hardware.h> -#include <mach/control.h> -#include <mach/mmc.h> -#include <mach/board.h> +#include <plat/control.h> +#include <plat/mmc.h> +#include <plat/board.h> #include "mmc-twl4030.h" diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index b5fac32aae70..32c953e608db 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -30,8 +30,8 @@ #include <asm/system.h> -#include <mach/control.h> -#include <mach/mux.h> +#include <plat/control.h> +#include <plat/mux.h> #ifdef CONFIG_OMAP_MUX diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 48ee295db275..4890bcf4dadd 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -24,13 +24,14 @@ #include <asm/localtimer.h> #include <asm/smp_scu.h> #include <mach/hardware.h> +#include <plat/common.h> /* Registers used for communicating startup information */ -#define OMAP4_AUXCOREBOOT_REG0 (OMAP44XX_VA_WKUPGEN_BASE + 0x800) -#define OMAP4_AUXCOREBOOT_REG1 (OMAP44XX_VA_WKUPGEN_BASE + 0x804) +static void __iomem *omap4_auxcoreboot_reg0; +static void __iomem *omap4_auxcoreboot_reg1; /* SCU base address */ -static void __iomem *scu_base = OMAP44XX_VA_SCU_BASE; +static void __iomem *scu_base; /* * Use SCU config register to count number of cores @@ -53,8 +54,7 @@ void __cpuinit platform_secondary_init(unsigned int cpu) * core (e.g. timer irq), then they will not have been enabled * for us: do so */ - - gic_cpu_init(0, OMAP2_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE)); + gic_cpu_init(0, gic_cpu_base_addr); /* * Synchronise with the boot thread. @@ -79,7 +79,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) * the AuxCoreBoot1 register is updated with cpu state * A barrier is added to ensure that write buffer is drained */ - __raw_writel(cpu, OMAP4_AUXCOREBOOT_REG1); + __raw_writel(cpu, omap4_auxcoreboot_reg1); smp_wmb(); timeout = jiffies + (1 * HZ); @@ -104,7 +104,7 @@ static void __init wakeup_secondary(void) * A barrier is added to ensure that write buffer is drained */ __raw_writel(virt_to_phys(omap_secondary_startup), \ - OMAP4_AUXCOREBOOT_REG0); + omap4_auxcoreboot_reg0); smp_wmb(); /* @@ -120,7 +120,13 @@ static void __init wakeup_secondary(void) */ void __init smp_init_cpus(void) { - unsigned int i, ncores = get_core_count(); + unsigned int i, ncores; + + /* Never released */ + scu_base = ioremap(OMAP44XX_SCU_BASE, SZ_256); + BUG_ON(!scu_base); + + ncores = get_core_count(); for (i = 0; i < ncores; i++) set_cpu_possible(i, true); @@ -130,6 +136,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) { unsigned int ncores = get_core_count(); unsigned int cpu = smp_processor_id(); + void __iomem *omap4_wkupgen_base; int i; /* sanity check */ @@ -161,6 +168,12 @@ void __init smp_prepare_cpus(unsigned int max_cpus) for (i = 0; i < max_cpus; i++) set_cpu_present(i, true); + /* Never released */ + omap4_wkupgen_base = ioremap(OMAP44XX_WKUPGEN_BASE, SZ_4K); + BUG_ON(!omap4_wkupgen_base); + omap4_auxcoreboot_reg0 = omap4_wkupgen_base + 0x800; + omap4_auxcoreboot_reg1 = omap4_wkupgen_base + 0x804; + if (max_cpus > 1) { /* * Enable the local timer or broadcast device for the diff --git a/arch/arm/mach-omap2/omap3-iommu.c b/arch/arm/mach-omap2/omap3-iommu.c index 194189c746c2..6a9bf4f59d8a 100644 --- a/arch/arm/mach-omap2/omap3-iommu.c +++ b/arch/arm/mach-omap2/omap3-iommu.c @@ -12,7 +12,7 @@ #include <linux/platform_device.h> -#include <mach/iommu.h> +#include <plat/iommu.h> #define OMAP3_MMU1_BASE 0x480bd400 #define OMAP3_MMU2_BASE 0x5d000000 diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d2e0f1c95961..633b216a8b26 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -45,11 +45,11 @@ #include <linux/mutex.h> #include <linux/bootmem.h> -#include <mach/cpu.h> -#include <mach/clockdomain.h> -#include <mach/powerdomain.h> -#include <mach/clock.h> -#include <mach/omap_hwmod.h> +#include <plat/cpu.h> +#include <plat/clockdomain.h> +#include <plat/powerdomain.h> +#include <plat/clock.h> +#include <plat/omap_hwmod.h> #include "cm.h" @@ -496,6 +496,7 @@ static void __iomem *_find_mpu_rt_base(struct omap_hwmod *oh, u8 index) struct omap_hwmod_addr_space *mem; int i; int found = 0; + void __iomem *va_start; if (!oh || oh->slaves_cnt == 0) return NULL; @@ -509,16 +510,20 @@ static void __iomem *_find_mpu_rt_base(struct omap_hwmod *oh, u8 index) } } - /* XXX use ioremap() instead? */ - - if (found) + if (found) { + va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start); + if (!va_start) { + pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name); + return NULL; + } pr_debug("omap_hwmod: %s: MPU register target at va %p\n", - oh->name, OMAP2_IO_ADDRESS(mem->pa_start)); - else + oh->name, va_start); + } else { pr_debug("omap_hwmod: %s: no MPU register target found\n", oh->name); + } - return (found) ? OMAP2_IO_ADDRESS(mem->pa_start) : NULL; + return (found) ? va_start : NULL; } /** @@ -1148,6 +1153,7 @@ int omap_hwmod_unregister(struct omap_hwmod *oh) pr_debug("omap_hwmod: %s: unregistering\n", oh->name); mutex_lock(&omap_hwmod_mutex); + iounmap(oh->_rt_va); list_del(&oh->node); mutex_unlock(&omap_hwmod_mutex); diff --git a/arch/arm/mach-omap2/omap_hwmod_2420.h b/arch/arm/mach-omap2/omap_hwmod_2420.h index 767e4965ac4e..a9ca1b99a301 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420.h +++ b/arch/arm/mach-omap2/omap_hwmod_2420.h @@ -16,10 +16,10 @@ #ifdef CONFIG_ARCH_OMAP2420 -#include <mach/omap_hwmod.h> +#include <plat/omap_hwmod.h> #include <mach/irqs.h> -#include <mach/cpu.h> -#include <mach/dma.h> +#include <plat/cpu.h> +#include <plat/dma.h> #include "prm-regbits-24xx.h" diff --git a/arch/arm/mach-omap2/omap_hwmod_2430.h b/arch/arm/mach-omap2/omap_hwmod_2430.h index a412be6420ec..59a208bea6c2 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430.h +++ b/arch/arm/mach-omap2/omap_hwmod_2430.h @@ -16,10 +16,10 @@ #ifdef CONFIG_ARCH_OMAP2430 -#include <mach/omap_hwmod.h> +#include <plat/omap_hwmod.h> #include <mach/irqs.h> -#include <mach/cpu.h> -#include <mach/dma.h> +#include <plat/cpu.h> +#include <plat/dma.h> #include "prm-regbits-24xx.h" diff --git a/arch/arm/mach-omap2/omap_hwmod_34xx.h b/arch/arm/mach-omap2/omap_hwmod_34xx.h index 1e069f831575..b6076b9c364e 100644 --- a/arch/arm/mach-omap2/omap_hwmod_34xx.h +++ b/arch/arm/mach-omap2/omap_hwmod_34xx.h @@ -14,10 +14,10 @@ #ifdef CONFIG_ARCH_OMAP34XX -#include <mach/omap_hwmod.h> +#include <plat/omap_hwmod.h> #include <mach/irqs.h> -#include <mach/cpu.h> -#include <mach/dma.h> +#include <plat/cpu.h> +#include <plat/dma.h> #include "prm-regbits-34xx.h" diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 2fc4d6abbd0a..8baa30d2acfb 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -26,10 +26,10 @@ #include <linux/io.h> #include <linux/module.h> -#include <mach/clock.h> -#include <mach/board.h> -#include <mach/powerdomain.h> -#include <mach/clockdomain.h> +#include <plat/clock.h> +#include <plat/board.h> +#include <plat/powerdomain.h> +#include <plat/clockdomain.h> #include "prm.h" #include "cm.h" @@ -51,7 +51,8 @@ int omap2_pm_debug; regs[reg_count++].val = __raw_readl(reg) #define DUMP_INTC_REG(reg, off) \ regs[reg_count].name = #reg; \ - regs[reg_count++].val = __raw_readl(OMAP2_IO_ADDRESS(0x480fe000 + (off))) + regs[reg_count++].val = \ + __raw_readl(OMAP2_L4_IO_ADDRESS(0x480fe000 + (off))) static int __init pm_dbg_init(void); @@ -526,6 +527,29 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir) return 0; } +static int option_get(void *data, u64 *val) +{ + u32 *option = data; + + *val = *option; + + return 0; +} + +static int option_set(void *data, u64 val) +{ + u32 *option = data; + + *option = val; + + if (option == &enable_off_mode) + omap3_pm_off_mode_enable(val); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(pm_dbg_option_fops, option_get, option_set, "%llu\n"); + static int __init pm_dbg_init(void) { int i; @@ -568,6 +592,12 @@ static int __init pm_dbg_init(void) } + (void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUGO, d, + &enable_off_mode, &pm_dbg_option_fops); + (void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUGO, d, + &sleep_while_idle, &pm_dbg_option_fops); + (void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUGO, d, + &wakeup_timer_seconds, &pm_dbg_option_fops); pm_dbg_init_done = 1; return 0; diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 8400f5768923..0bf345db7147 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -11,11 +11,24 @@ #ifndef __ARCH_ARM_MACH_OMAP2_PM_H #define __ARCH_ARM_MACH_OMAP2_PM_H -#include <mach/powerdomain.h> +#include <plat/powerdomain.h> + +extern u32 enable_off_mode; +extern u32 sleep_while_idle; + +extern void *omap3_secure_ram_storage; +extern void omap3_pm_off_mode_enable(int); +extern void omap_sram_idle(void); +extern int omap3_can_sleep(void); +extern int set_pwrdm_state(struct powerdomain *pwrdm, u32 state); +extern int omap3_idle_init(void); 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 struct omap_dm_timer *gptimer_wakeup; + #ifdef CONFIG_PM_DEBUG extern void omap2_pm_dump(int mode, int resume, unsigned int us); extern int omap2_pm_debug; @@ -36,6 +49,7 @@ extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, void __iomem *sdrc_power); extern void omap34xx_cpu_suspend(u32 *addr, int save_state); extern void save_secure_ram_context(u32 *addr); +extern void omap3_save_scratchpad_contents(void); extern unsigned int omap24xx_idle_loop_suspend_sz; extern unsigned int omap34xx_suspend_sz; diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index bff5c4e89742..cba05b9f041f 100644 --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -36,12 +36,12 @@ #include <asm/mach-types.h> #include <mach/irqs.h> -#include <mach/clock.h> -#include <mach/sram.h> -#include <mach/control.h> -#include <mach/mux.h> -#include <mach/dma.h> -#include <mach/board.h> +#include <plat/clock.h> +#include <plat/sram.h> +#include <plat/control.h> +#include <plat/mux.h> +#include <plat/dma.h> +#include <plat/board.h> #include "prm.h" #include "prm-regbits-24xx.h" @@ -50,8 +50,8 @@ #include "sdrc.h" #include "pm.h" -#include <mach/powerdomain.h> -#include <mach/clockdomain.h> +#include <plat/powerdomain.h> +#include <plat/clockdomain.h> static void (*omap2_sram_idle)(void); static void (*omap2_sram_suspend)(u32 dllctrl, void __iomem *sdrc_dlla_ctrl, diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 89463190923a..81ed252a0f8a 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -5,6 +5,9 @@ * Tony Lindgren <tony@atomide.com> * Jouni Hogander * + * Copyright (C) 2007 Texas Instruments, Inc. + * Rajendra Nayak <rnayak@ti.com> + * * Copyright (C) 2005 Texas Instruments, Inc. * Richard Woodruff <r-woodruff2@ti.com> * @@ -22,12 +25,20 @@ #include <linux/list.h> #include <linux/err.h> #include <linux/gpio.h> +#include <linux/clk.h> + +#include <plat/sram.h> +#include <plat/clockdomain.h> +#include <plat/powerdomain.h> +#include <plat/control.h> +#include <plat/serial.h> +#include <plat/sdrc.h> +#include <plat/prcm.h> +#include <plat/gpmc.h> +#include <plat/dma.h> +#include <plat/dmtimer.h> -#include <mach/sram.h> -#include <mach/clockdomain.h> -#include <mach/powerdomain.h> -#include <mach/control.h> -#include <mach/serial.h> +#include <asm/tlbflush.h> #include "cm.h" #include "cm-regbits-34xx.h" @@ -35,6 +46,16 @@ #include "prm.h" #include "pm.h" +#include "sdrc.h" + +/* Scratchpad offsets */ +#define OMAP343X_TABLE_ADDRESS_OFFSET 0x31 +#define OMAP343X_TABLE_VALUE_OFFSET 0x30 +#define OMAP343X_CONTROL_REG_VALUE_OFFSET 0x32 + +u32 enable_off_mode; +u32 sleep_while_idle; +u32 wakeup_timer_seconds; struct power_state { struct powerdomain *pwrdm; @@ -49,7 +70,112 @@ static LIST_HEAD(pwrst_list); static void (*_omap_sram_idle)(u32 *addr, int save_state); -static struct powerdomain *mpu_pwrdm; +static int (*_omap_save_secure_sram)(u32 *addr); + +static struct powerdomain *mpu_pwrdm, *neon_pwrdm; +static struct powerdomain *core_pwrdm, *per_pwrdm; +static struct powerdomain *cam_pwrdm; + +static inline void omap3_per_save_context(void) +{ + omap_gpio_save_context(); +} + +static inline void omap3_per_restore_context(void) +{ + omap_gpio_restore_context(); +} + +static void omap3_enable_io_chain(void) +{ + int timeout = 0; + + if (omap_rev() >= OMAP3430_REV_ES3_1) { + prm_set_mod_reg_bits(OMAP3430_EN_IO_CHAIN, WKUP_MOD, PM_WKEN); + /* Do a readback to assure write has been done */ + prm_read_mod_reg(WKUP_MOD, PM_WKEN); + + while (!(prm_read_mod_reg(WKUP_MOD, PM_WKST) & + OMAP3430_ST_IO_CHAIN)) { + timeout++; + if (timeout > 1000) { + printk(KERN_ERR "Wake up daisy chain " + "activation failed.\n"); + return; + } + prm_set_mod_reg_bits(OMAP3430_ST_IO_CHAIN, + WKUP_MOD, PM_WKST); + } + } +} + +static void omap3_disable_io_chain(void) +{ + if (omap_rev() >= OMAP3430_REV_ES3_1) + prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN, WKUP_MOD, PM_WKEN); +} + +static void omap3_core_save_context(void) +{ + u32 control_padconf_off; + + /* Save the padconf registers */ + control_padconf_off = omap_ctrl_readl(OMAP343X_CONTROL_PADCONF_OFF); + control_padconf_off |= START_PADCONF_SAVE; + omap_ctrl_writel(control_padconf_off, OMAP343X_CONTROL_PADCONF_OFF); + /* wait for the save to complete */ + while (!omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS) + & PADCONF_SAVE_DONE) + ; + /* Save the Interrupt controller context */ + omap_intc_save_context(); + /* Save the GPMC context */ + omap3_gpmc_save_context(); + /* Save the system control module context, padconf already save above*/ + omap3_control_save_context(); + omap_dma_global_context_save(); +} + +static void omap3_core_restore_context(void) +{ + /* Restore the control module context, padconf restored by h/w */ + omap3_control_restore_context(); + /* Restore the GPMC context */ + omap3_gpmc_restore_context(); + /* Restore the interrupt controller context */ + omap_intc_restore_context(); + omap_dma_global_context_restore(); +} + +/* + * FIXME: This function should be called before entering off-mode after + * OMAP3 secure services have been accessed. Currently it is only called + * once during boot sequence, but this works as we are not using secure + * services. + */ +static void omap3_save_secure_ram_context(u32 target_mpu_state) +{ + u32 ret; + + if (omap_type() != OMAP2_DEVICE_TYPE_GP) { + /* + * MPU next state must be set to POWER_ON temporarily, + * otherwise the WFI executed inside the ROM code + * will hang the system. + */ + pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON); + ret = _omap_save_secure_sram((u32 *) + __pa(omap3_secure_ram_storage)); + pwrdm_set_next_pwrst(mpu_pwrdm, target_mpu_state); + /* Following is for error tracking, it should not happen */ + if (ret) { + printk(KERN_ERR "save_secure_sram() returns %08x\n", + ret); + while (1) + ; + } + } +} /* * PRCM Interrupt Handler Helper Function @@ -161,7 +287,36 @@ static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id) return IRQ_HANDLED; } -static void omap_sram_idle(void) +static void restore_control_register(u32 val) +{ + __asm__ __volatile__ ("mcr p15, 0, %0, c1, c0, 0" : : "r" (val)); +} + +/* Function to restore the table entry that was modified for enabling MMU */ +static void restore_table_entry(void) +{ + u32 *scratchpad_address; + u32 previous_value, control_reg_value; + u32 *address; + + scratchpad_address = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD); + + /* Get address of entry that was modified */ + address = (u32 *)__raw_readl(scratchpad_address + + OMAP343X_TABLE_ADDRESS_OFFSET); + /* Get the previous value which needs to be restored */ + previous_value = __raw_readl(scratchpad_address + + OMAP343X_TABLE_VALUE_OFFSET); + address = __va(address); + *address = previous_value; + flush_tlb_all(); + control_reg_value = __raw_readl(scratchpad_address + + OMAP343X_CONTROL_REG_VALUE_OFFSET); + /* This will enable caches and prediction */ + restore_control_register(control_reg_value); +} + +void omap_sram_idle(void) { /* Variable to tell what needs to be saved and restored * in omap_sram_idle*/ @@ -169,17 +324,32 @@ static void omap_sram_idle(void) /* save_state = 1 => Only L1 and logic lost */ /* save_state = 2 => Only L2 lost */ /* save_state = 3 => L1, L2 and logic lost */ - int save_state = 0, mpu_next_state; + int save_state = 0; + int mpu_next_state = PWRDM_POWER_ON; + int per_next_state = PWRDM_POWER_ON; + int core_next_state = PWRDM_POWER_ON; + int core_prev_state, per_prev_state; + u32 sdrc_pwr = 0; + int per_state_modified = 0; if (!_omap_sram_idle) return; + pwrdm_clear_all_prev_pwrst(mpu_pwrdm); + pwrdm_clear_all_prev_pwrst(neon_pwrdm); + pwrdm_clear_all_prev_pwrst(core_pwrdm); + pwrdm_clear_all_prev_pwrst(per_pwrdm); + mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm); switch (mpu_next_state) { + case PWRDM_POWER_ON: case PWRDM_POWER_RET: /* No need to save context */ save_state = 0; break; + case PWRDM_POWER_OFF: + save_state = 3; + break; default: /* Invalid state */ printk(KERN_ERR "Invalid mpu state in sram_idle\n"); @@ -187,68 +357,115 @@ static void omap_sram_idle(void) } pwrdm_pre_transition(); - omap2_gpio_prepare_for_retention(); - omap_uart_prepare_idle(0); - omap_uart_prepare_idle(1); - omap_uart_prepare_idle(2); + /* NEON control */ + if (pwrdm_read_pwrst(neon_pwrdm) == PWRDM_POWER_ON) + pwrdm_set_next_pwrst(neon_pwrdm, mpu_next_state); + + /* PER */ + per_next_state = pwrdm_read_next_pwrst(per_pwrdm); + core_next_state = pwrdm_read_next_pwrst(core_pwrdm); + if (per_next_state < PWRDM_POWER_ON) { + omap_uart_prepare_idle(2); + omap2_gpio_prepare_for_retention(); + if (per_next_state == PWRDM_POWER_OFF) { + if (core_next_state == PWRDM_POWER_ON) { + per_next_state = PWRDM_POWER_RET; + pwrdm_set_next_pwrst(per_pwrdm, per_next_state); + per_state_modified = 1; + } else + omap3_per_save_context(); + } + } + + if (pwrdm_read_pwrst(cam_pwrdm) == PWRDM_POWER_ON) + omap2_clkdm_deny_idle(mpu_pwrdm->pwrdm_clkdms[0]); + + /* CORE */ + if (core_next_state < PWRDM_POWER_ON) { + omap_uart_prepare_idle(0); + omap_uart_prepare_idle(1); + if (core_next_state == PWRDM_POWER_OFF) { + omap3_core_save_context(); + omap3_prcm_save_context(); + } + /* Enable IO-PAD and IO-CHAIN wakeups */ + prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN); + omap3_enable_io_chain(); + } + + /* + * On EMU/HS devices ROM code restores a SRDC value + * from scratchpad which has automatic self refresh on timeout + * of AUTO_CNT = 1 enabled. This takes care of errata 1.142. + * Hence store/restore the SDRC_POWER register here. + */ + if (omap_rev() >= OMAP3430_REV_ES3_0 && + omap_type() != OMAP2_DEVICE_TYPE_GP && + core_next_state == PWRDM_POWER_OFF) + sdrc_pwr = sdrc_read_reg(SDRC_POWER); - _omap_sram_idle(NULL, save_state); + /* + * omap3_arm_context is the location where ARM registers + * get saved. The restore path then reads from this + * location and restores them back. + */ + _omap_sram_idle(omap3_arm_context, save_state); cpu_init(); - omap_uart_resume_idle(2); - omap_uart_resume_idle(1); - omap_uart_resume_idle(0); - omap2_gpio_resume_after_retention(); + /* Restore normal SDRC POWER settings */ + if (omap_rev() >= OMAP3430_REV_ES3_0 && + omap_type() != OMAP2_DEVICE_TYPE_GP && + core_next_state == PWRDM_POWER_OFF) + sdrc_write_reg(sdrc_pwr, SDRC_POWER); + + /* Restore table entry modified during MMU restoration */ + if (pwrdm_read_prev_pwrst(mpu_pwrdm) == PWRDM_POWER_OFF) + restore_table_entry(); + + /* CORE */ + if (core_next_state < PWRDM_POWER_ON) { + core_prev_state = pwrdm_read_prev_pwrst(core_pwrdm); + if (core_prev_state == PWRDM_POWER_OFF) { + omap3_core_restore_context(); + omap3_prcm_restore_context(); + omap3_sram_restore_context(); + omap2_sms_restore_context(); + } + omap_uart_resume_idle(0); + omap_uart_resume_idle(1); + if (core_next_state == PWRDM_POWER_OFF) + prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF, + OMAP3430_GR_MOD, + OMAP3_PRM_VOLTCTRL_OFFSET); + } - pwrdm_post_transition(); + /* PER */ + if (per_next_state < PWRDM_POWER_ON) { + per_prev_state = pwrdm_read_prev_pwrst(per_pwrdm); + if (per_prev_state == PWRDM_POWER_OFF) + omap3_per_restore_context(); + omap2_gpio_resume_after_retention(); + omap_uart_resume_idle(2); + if (per_state_modified) + pwrdm_set_next_pwrst(per_pwrdm, PWRDM_POWER_OFF); + } -} + /* Disable IO-PAD and IO-CHAIN wakeup */ + if (core_next_state < PWRDM_POWER_ON) { + prm_clear_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN); + omap3_disable_io_chain(); + } -/* - * Check if functional clocks are enabled before entering - * sleep. This function could be behind CONFIG_PM_DEBUG - * when all drivers are configuring their sysconfig registers - * properly and using their clocks properly. - */ -static int omap3_fclks_active(void) -{ - u32 fck_core1 = 0, fck_core3 = 0, fck_sgx = 0, fck_dss = 0, - fck_cam = 0, fck_per = 0, fck_usbhost = 0; + pwrdm_post_transition(); - fck_core1 = cm_read_mod_reg(CORE_MOD, - CM_FCLKEN1); - if (omap_rev() > OMAP3430_REV_ES1_0) { - fck_core3 = cm_read_mod_reg(CORE_MOD, - OMAP3430ES2_CM_FCLKEN3); - fck_sgx = cm_read_mod_reg(OMAP3430ES2_SGX_MOD, - CM_FCLKEN); - fck_usbhost = cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, - CM_FCLKEN); - } else - fck_sgx = cm_read_mod_reg(GFX_MOD, - OMAP3430ES2_CM_FCLKEN3); - fck_dss = cm_read_mod_reg(OMAP3430_DSS_MOD, - CM_FCLKEN); - fck_cam = cm_read_mod_reg(OMAP3430_CAM_MOD, - CM_FCLKEN); - fck_per = cm_read_mod_reg(OMAP3430_PER_MOD, - CM_FCLKEN); - - /* Ignore UART clocks. These are handled by UART core (serial.c) */ - fck_core1 &= ~(OMAP3430_EN_UART1 | OMAP3430_EN_UART2); - fck_per &= ~OMAP3430_EN_UART3; - - if (fck_core1 | fck_core3 | fck_sgx | fck_dss | - fck_cam | fck_per | fck_usbhost) - return 1; - return 0; + omap2_clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]); } -static int omap3_can_sleep(void) +int omap3_can_sleep(void) { - if (!omap_uart_can_sleep()) + if (!sleep_while_idle) return 0; - if (omap3_fclks_active()) + if (!omap_uart_can_sleep()) return 0; return 1; } @@ -256,7 +473,7 @@ static int omap3_can_sleep(void) /* This sets pwrdm state (other than mpu & core. Currently only ON & * RET are supported. Function is assuming that clkdm doesn't have * hw_sup mode enabled. */ -static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state) +int set_pwrdm_state(struct powerdomain *pwrdm, u32 state) { u32 cur_state; int sleep_switch = 0; @@ -306,7 +523,7 @@ static void omap3_pm_idle(void) if (!omap3_can_sleep()) goto out; - if (omap_irq_pending()) + if (omap_irq_pending() || need_resched()) goto out; omap_sram_idle(); @@ -319,6 +536,22 @@ out: #ifdef CONFIG_SUSPEND static suspend_state_t suspend_state; +static void omap2_pm_wakeup_on_timer(u32 seconds) +{ + u32 tick_rate, cycles; + + if (!seconds) + return; + + tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer_wakeup)); + cycles = tick_rate * seconds; + omap_dm_timer_stop(gptimer_wakeup); + omap_dm_timer_set_load_start(gptimer_wakeup, 0, 0xffffffff - cycles); + + pr_info("PM: Resume timer in %d secs (%d ticks at %d ticks/sec.)\n", + seconds, cycles, tick_rate); +} + static int omap3_pm_prepare(void) { disable_hlt(); @@ -330,6 +563,9 @@ static int omap3_pm_suspend(void) struct power_state *pwrst; int state, ret = 0; + if (wakeup_timer_seconds) + omap2_pm_wakeup_on_timer(wakeup_timer_seconds); + /* Read current next_pwrsts */ list_for_each_entry(pwrst, &pwrst_list, node) pwrst->saved_state = pwrdm_read_next_pwrst(pwrst->pwrdm); @@ -690,6 +926,22 @@ static void __init prcm_setup_regs(void) omap3_d2d_idle(); } +void omap3_pm_off_mode_enable(int enable) +{ + struct power_state *pwrst; + u32 state; + + if (enable) + state = PWRDM_POWER_OFF; + else + state = PWRDM_POWER_RET; + + list_for_each_entry(pwrst, &pwrst_list, node) { + pwrst->next_state = state; + set_pwrdm_state(pwrst->pwrdm, state); + } +} + int omap3_pm_get_suspend_state(struct powerdomain *pwrdm) { struct power_state *pwrst; @@ -749,6 +1001,15 @@ static int __init clkdms_setup(struct clockdomain *clkdm, void *unused) return 0; } +void omap_push_sram_idle(void) +{ + _omap_sram_idle = omap_sram_push(omap34xx_cpu_suspend, + omap34xx_cpu_suspend_sz); + if (omap_type() != OMAP2_DEVICE_TYPE_GP) + _omap_save_secure_sram = omap_sram_push(save_secure_ram_context, + save_secure_ram_context_sz); +} + static int __init omap3_pm_init(void) { struct power_state *pwrst, *tmp; @@ -786,15 +1047,47 @@ static int __init omap3_pm_init(void) goto err2; } - _omap_sram_idle = omap_sram_push(omap34xx_cpu_suspend, - omap34xx_cpu_suspend_sz); + neon_pwrdm = pwrdm_lookup("neon_pwrdm"); + per_pwrdm = pwrdm_lookup("per_pwrdm"); + core_pwrdm = pwrdm_lookup("core_pwrdm"); + cam_pwrdm = pwrdm_lookup("cam_pwrdm"); + omap_push_sram_idle(); #ifdef CONFIG_SUSPEND suspend_set_ops(&omap_pm_ops); #endif /* CONFIG_SUSPEND */ pm_idle = omap3_pm_idle; + omap3_idle_init(); + + pwrdm_add_wkdep(neon_pwrdm, mpu_pwrdm); + /* + * REVISIT: This wkdep is only necessary when GPIO2-6 are enabled for + * IO-pad wakeup. Otherwise it will unnecessarily waste power + * waking up PER with every CORE wakeup - see + * http://marc.info/?l=linux-omap&m=121852150710062&w=2 + */ + pwrdm_add_wkdep(per_pwrdm, core_pwrdm); + + if (omap_type() != OMAP2_DEVICE_TYPE_GP) { + omap3_secure_ram_storage = + kmalloc(0x803F, GFP_KERNEL); + if (!omap3_secure_ram_storage) + printk(KERN_ERR "Memory allocation failed when" + "allocating for secure sram context\n"); + + local_irq_disable(); + local_fiq_disable(); + + omap_dma_global_context_save(); + omap3_save_secure_ram_context(PWRDM_POWER_ON); + omap_dma_global_context_restore(); + + local_irq_enable(); + local_fiq_enable(); + } + omap3_save_scratchpad_contents(); err1: return ret; err2: diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index f00289abd30f..b6990e377783 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -31,9 +31,9 @@ #include "prm.h" #include "prm-regbits-34xx.h" -#include <mach/cpu.h> -#include <mach/powerdomain.h> -#include <mach/clockdomain.h> +#include <plat/cpu.h> +#include <plat/powerdomain.h> +#include <plat/clockdomain.h> #include "pm.h" diff --git a/arch/arm/mach-omap2/powerdomains.h b/arch/arm/mach-omap2/powerdomains.h index 691470ea4c6a..057b2e3e2c35 100644 --- a/arch/arm/mach-omap2/powerdomains.h +++ b/arch/arm/mach-omap2/powerdomains.h @@ -63,7 +63,7 @@ * XXX encode hardware fixed wakeup dependencies -- esp. for 3430 CORE */ -#include <mach/powerdomain.h> +#include <plat/powerdomain.h> #include "prcm-common.h" #include "prm.h" diff --git a/arch/arm/mach-omap2/powerdomains24xx.h b/arch/arm/mach-omap2/powerdomains24xx.h index 9f08dc3f7fd2..bd249a495aa9 100644 --- a/arch/arm/mach-omap2/powerdomains24xx.h +++ b/arch/arm/mach-omap2/powerdomains24xx.h @@ -20,7 +20,7 @@ * the array in mach-omap2/powerdomains.h. */ -#include <mach/powerdomain.h> +#include <plat/powerdomain.h> #include "prcm-common.h" #include "prm.h" diff --git a/arch/arm/mach-omap2/powerdomains34xx.h b/arch/arm/mach-omap2/powerdomains34xx.h index 4dcf94b800ab..fd09b0827df0 100644 --- a/arch/arm/mach-omap2/powerdomains34xx.h +++ b/arch/arm/mach-omap2/powerdomains34xx.h @@ -20,7 +20,7 @@ * the array in mach-omap2/powerdomains.h. */ -#include <mach/powerdomain.h> +#include <plat/powerdomain.h> #include "prcm-common.h" #include "prm.h" @@ -338,7 +338,13 @@ static struct powerdomain usbhost_pwrdm = { .sleepdep_srcs = dss_per_usbhost_sleepdeps, .pwrsts = PWRSTS_OFF_RET_ON, .pwrsts_logic_ret = PWRDM_POWER_RET, - .flags = PWRDM_HAS_HDWR_SAR, /* for USBHOST ctrlr only */ + /* + * REVISIT: Enabling usb host save and restore mechanism seems to + * leave the usb host domain permanently in ACTIVE mode after + * changing the usb host power domain state from OFF to active once. + * Disabling for now. + */ + /*.flags = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */ .banks = 1, .pwrsts_mem_ret = { [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index ced555a4cd1a..029d376198d4 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -7,6 +7,9 @@ * * Written by Tony Lindgren <tony.lindgren@nokia.com> * + * Copyright (C) 2007 Texas Instruments, Inc. + * Rajendra Nayak <rnayak@ti.com> + * * Some pieces of code Copyright (C) 2005 Texas Instruments, Inc. * * This program is free software; you can redistribute it and/or modify @@ -19,10 +22,13 @@ #include <linux/io.h> #include <linux/delay.h> -#include <mach/common.h> -#include <mach/prcm.h> +#include <plat/common.h> +#include <plat/prcm.h> +#include <plat/irqs.h> +#include <plat/control.h> #include "clock.h" +#include "cm.h" #include "prm.h" #include "prm-regbits-24xx.h" @@ -31,6 +37,89 @@ static void __iomem *cm_base; #define MAX_MODULE_ENABLE_WAIT 100000 +struct omap3_prcm_regs { + u32 control_padconf_sys_nirq; + u32 iva2_cm_clksel1; + u32 iva2_cm_clksel2; + u32 cm_sysconfig; + u32 sgx_cm_clksel; + u32 wkup_cm_clksel; + u32 dss_cm_clksel; + u32 cam_cm_clksel; + u32 per_cm_clksel; + u32 emu_cm_clksel; + u32 emu_cm_clkstctrl; + u32 pll_cm_autoidle2; + u32 pll_cm_clksel4; + u32 pll_cm_clksel5; + u32 pll_cm_clken; + u32 pll_cm_clken2; + u32 cm_polctrl; + u32 iva2_cm_fclken; + u32 iva2_cm_clken_pll; + u32 core_cm_fclken1; + u32 core_cm_fclken3; + u32 sgx_cm_fclken; + u32 wkup_cm_fclken; + u32 dss_cm_fclken; + u32 cam_cm_fclken; + u32 per_cm_fclken; + u32 usbhost_cm_fclken; + u32 core_cm_iclken1; + u32 core_cm_iclken2; + u32 core_cm_iclken3; + u32 sgx_cm_iclken; + u32 wkup_cm_iclken; + u32 dss_cm_iclken; + u32 cam_cm_iclken; + u32 per_cm_iclken; + u32 usbhost_cm_iclken; + u32 iva2_cm_autiidle2; + u32 mpu_cm_autoidle2; + u32 pll_cm_autoidle; + u32 iva2_cm_clkstctrl; + u32 mpu_cm_clkstctrl; + u32 core_cm_clkstctrl; + u32 sgx_cm_clkstctrl; + u32 dss_cm_clkstctrl; + u32 cam_cm_clkstctrl; + u32 per_cm_clkstctrl; + u32 neon_cm_clkstctrl; + u32 usbhost_cm_clkstctrl; + u32 core_cm_autoidle1; + u32 core_cm_autoidle2; + u32 core_cm_autoidle3; + u32 wkup_cm_autoidle; + u32 dss_cm_autoidle; + u32 cam_cm_autoidle; + u32 per_cm_autoidle; + u32 usbhost_cm_autoidle; + u32 sgx_cm_sleepdep; + u32 dss_cm_sleepdep; + u32 cam_cm_sleepdep; + u32 per_cm_sleepdep; + u32 usbhost_cm_sleepdep; + u32 cm_clkout_ctrl; + u32 prm_clkout_ctrl; + u32 sgx_pm_wkdep; + u32 dss_pm_wkdep; + u32 cam_pm_wkdep; + u32 per_pm_wkdep; + u32 neon_pm_wkdep; + u32 usbhost_pm_wkdep; + u32 core_pm_mpugrpsel1; + u32 iva2_pm_ivagrpsel1; + u32 core_pm_mpugrpsel3; + u32 core_pm_ivagrpsel3; + u32 wkup_pm_mpugrpsel; + u32 wkup_pm_ivagrpsel; + u32 per_pm_mpugrpsel; + u32 per_pm_ivagrpsel; + u32 wkup_pm_wken; +}; + +struct omap3_prcm_regs prcm_context; + u32 omap_prcm_get_reset_sources(void) { /* XXX This presumably needs modification for 34XX */ @@ -46,9 +135,18 @@ void omap_prcm_arch_reset(char mode) if (cpu_is_omap24xx()) prcm_offs = WKUP_MOD; - else if (cpu_is_omap34xx()) + else if (cpu_is_omap34xx()) { + u32 l; + prcm_offs = OMAP3430_GR_MOD; - else + l = ('B' << 24) | ('M' << 16) | mode; + /* Reserve the first word in scratchpad for communicating + * with the boot ROM. A pointer to a data structure + * describing the boot process can be stored there, + * cf. OMAP34xx TRM, Initialization / Software Booting + * Configuration. */ + omap_writel(l, OMAP343X_SCRATCHPAD + 4); + } else WARN_ON(1); prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, RM_RSTCTRL); @@ -168,3 +266,308 @@ void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals) prm_base = omap2_globals->prm; cm_base = omap2_globals->cm; } + +#ifdef CONFIG_ARCH_OMAP3 +void omap3_prcm_save_context(void) +{ + prcm_context.control_padconf_sys_nirq = + omap_ctrl_readl(OMAP343X_CONTROL_PADCONF_SYSNIRQ); + prcm_context.iva2_cm_clksel1 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL1); + prcm_context.iva2_cm_clksel2 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL2); + prcm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG); + prcm_context.sgx_cm_clksel = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL); + prcm_context.wkup_cm_clksel = cm_read_mod_reg(WKUP_MOD, CM_CLKSEL); + prcm_context.dss_cm_clksel = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL); + prcm_context.cam_cm_clksel = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSEL); + prcm_context.per_cm_clksel = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSEL); + prcm_context.emu_cm_clksel = + cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1); + prcm_context.emu_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSTCTRL); + prcm_context.pll_cm_autoidle2 = + cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2); + prcm_context.pll_cm_clksel4 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4); + prcm_context.pll_cm_clksel5 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5); + prcm_context.pll_cm_clken = + cm_read_mod_reg(PLL_MOD, CM_CLKEN); + prcm_context.pll_cm_clken2 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2); + prcm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL); + prcm_context.iva2_cm_fclken = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN); + prcm_context.iva2_cm_clken_pll = cm_read_mod_reg(OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKEN_PLL); + prcm_context.core_cm_fclken1 = + cm_read_mod_reg(CORE_MOD, CM_FCLKEN1); + prcm_context.core_cm_fclken3 = + cm_read_mod_reg(CORE_MOD, OMAP3430ES2_CM_FCLKEN3); + prcm_context.sgx_cm_fclken = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_FCLKEN); + prcm_context.wkup_cm_fclken = + cm_read_mod_reg(WKUP_MOD, CM_FCLKEN); + prcm_context.dss_cm_fclken = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_FCLKEN); + prcm_context.cam_cm_fclken = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_FCLKEN); + prcm_context.per_cm_fclken = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_FCLKEN); + prcm_context.usbhost_cm_fclken = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN); + prcm_context.core_cm_iclken1 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN1); + prcm_context.core_cm_iclken2 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN2); + prcm_context.core_cm_iclken3 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN3); + prcm_context.sgx_cm_iclken = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_ICLKEN); + prcm_context.wkup_cm_iclken = + cm_read_mod_reg(WKUP_MOD, CM_ICLKEN); + prcm_context.dss_cm_iclken = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_ICLKEN); + prcm_context.cam_cm_iclken = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_ICLKEN); + prcm_context.per_cm_iclken = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_ICLKEN); + prcm_context.usbhost_cm_iclken = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN); + prcm_context.iva2_cm_autiidle2 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2); + prcm_context.mpu_cm_autoidle2 = + cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2); + prcm_context.pll_cm_autoidle = + cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE); + prcm_context.iva2_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSTCTRL); + prcm_context.mpu_cm_clkstctrl = + cm_read_mod_reg(MPU_MOD, CM_CLKSTCTRL); + prcm_context.core_cm_clkstctrl = + cm_read_mod_reg(CORE_MOD, CM_CLKSTCTRL); + prcm_context.sgx_cm_clkstctrl = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSTCTRL); + prcm_context.dss_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSTCTRL); + prcm_context.cam_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSTCTRL); + prcm_context.per_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSTCTRL); + prcm_context.neon_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_NEON_MOD, CM_CLKSTCTRL); + prcm_context.usbhost_cm_clkstctrl = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_CLKSTCTRL); + prcm_context.core_cm_autoidle1 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE1); + prcm_context.core_cm_autoidle2 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE2); + prcm_context.core_cm_autoidle3 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE3); + prcm_context.wkup_cm_autoidle = + cm_read_mod_reg(WKUP_MOD, CM_AUTOIDLE); + prcm_context.dss_cm_autoidle = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_AUTOIDLE); + prcm_context.cam_cm_autoidle = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_AUTOIDLE); + prcm_context.per_cm_autoidle = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE); + prcm_context.usbhost_cm_autoidle = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); + prcm_context.sgx_cm_sleepdep = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP3430_CM_SLEEPDEP); + prcm_context.dss_cm_sleepdep = + cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP3430_CM_SLEEPDEP); + prcm_context.cam_cm_sleepdep = + cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP3430_CM_SLEEPDEP); + prcm_context.per_cm_sleepdep = + cm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_CM_SLEEPDEP); + prcm_context.usbhost_cm_sleepdep = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); + prcm_context.cm_clkout_ctrl = cm_read_mod_reg(OMAP3430_CCR_MOD, + OMAP3_CM_CLKOUT_CTRL_OFFSET); + prcm_context.prm_clkout_ctrl = prm_read_mod_reg(OMAP3430_CCR_MOD, + OMAP3_PRM_CLKOUT_CTRL_OFFSET); + prcm_context.sgx_pm_wkdep = + prm_read_mod_reg(OMAP3430ES2_SGX_MOD, PM_WKDEP); + prcm_context.dss_pm_wkdep = + prm_read_mod_reg(OMAP3430_DSS_MOD, PM_WKDEP); + prcm_context.cam_pm_wkdep = + prm_read_mod_reg(OMAP3430_CAM_MOD, PM_WKDEP); + prcm_context.per_pm_wkdep = + prm_read_mod_reg(OMAP3430_PER_MOD, PM_WKDEP); + prcm_context.neon_pm_wkdep = + prm_read_mod_reg(OMAP3430_NEON_MOD, PM_WKDEP); + prcm_context.usbhost_pm_wkdep = + prm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, PM_WKDEP); + prcm_context.core_pm_mpugrpsel1 = + prm_read_mod_reg(CORE_MOD, OMAP3430_PM_MPUGRPSEL1); + prcm_context.iva2_pm_ivagrpsel1 = + prm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP3430_PM_IVAGRPSEL1); + prcm_context.core_pm_mpugrpsel3 = + prm_read_mod_reg(CORE_MOD, OMAP3430ES2_PM_MPUGRPSEL3); + prcm_context.core_pm_ivagrpsel3 = + prm_read_mod_reg(CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3); + prcm_context.wkup_pm_mpugrpsel = + prm_read_mod_reg(WKUP_MOD, OMAP3430_PM_MPUGRPSEL); + prcm_context.wkup_pm_ivagrpsel = + prm_read_mod_reg(WKUP_MOD, OMAP3430_PM_IVAGRPSEL); + prcm_context.per_pm_mpugrpsel = + prm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL); + prcm_context.per_pm_ivagrpsel = + prm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL); + prcm_context.wkup_pm_wken = prm_read_mod_reg(WKUP_MOD, PM_WKEN); + return; +} + +void omap3_prcm_restore_context(void) +{ + omap_ctrl_writel(prcm_context.control_padconf_sys_nirq, + OMAP343X_CONTROL_PADCONF_SYSNIRQ); + cm_write_mod_reg(prcm_context.iva2_cm_clksel1, OMAP3430_IVA2_MOD, + CM_CLKSEL1); + cm_write_mod_reg(prcm_context.iva2_cm_clksel2, OMAP3430_IVA2_MOD, + CM_CLKSEL2); + __raw_writel(prcm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG); + cm_write_mod_reg(prcm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD, + CM_CLKSEL); + cm_write_mod_reg(prcm_context.wkup_cm_clksel, WKUP_MOD, CM_CLKSEL); + cm_write_mod_reg(prcm_context.dss_cm_clksel, OMAP3430_DSS_MOD, + CM_CLKSEL); + cm_write_mod_reg(prcm_context.cam_cm_clksel, OMAP3430_CAM_MOD, + CM_CLKSEL); + cm_write_mod_reg(prcm_context.per_cm_clksel, OMAP3430_PER_MOD, + CM_CLKSEL); + cm_write_mod_reg(prcm_context.emu_cm_clksel, OMAP3430_EMU_MOD, + CM_CLKSEL1); + cm_write_mod_reg(prcm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD, + CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.pll_cm_autoidle2, PLL_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(prcm_context.pll_cm_clksel4, PLL_MOD, + OMAP3430ES2_CM_CLKSEL4); + cm_write_mod_reg(prcm_context.pll_cm_clksel5, PLL_MOD, + OMAP3430ES2_CM_CLKSEL5); + cm_write_mod_reg(prcm_context.pll_cm_clken, PLL_MOD, CM_CLKEN); + cm_write_mod_reg(prcm_context.pll_cm_clken2, PLL_MOD, + OMAP3430ES2_CM_CLKEN2); + __raw_writel(prcm_context.cm_polctrl, OMAP3430_CM_POLCTRL); + cm_write_mod_reg(prcm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD, + CM_FCLKEN); + cm_write_mod_reg(prcm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKEN_PLL); + cm_write_mod_reg(prcm_context.core_cm_fclken1, CORE_MOD, CM_FCLKEN1); + cm_write_mod_reg(prcm_context.core_cm_fclken3, CORE_MOD, + OMAP3430ES2_CM_FCLKEN3); + cm_write_mod_reg(prcm_context.sgx_cm_fclken, OMAP3430ES2_SGX_MOD, + CM_FCLKEN); + cm_write_mod_reg(prcm_context.wkup_cm_fclken, WKUP_MOD, CM_FCLKEN); + cm_write_mod_reg(prcm_context.dss_cm_fclken, OMAP3430_DSS_MOD, + CM_FCLKEN); + cm_write_mod_reg(prcm_context.cam_cm_fclken, OMAP3430_CAM_MOD, + CM_FCLKEN); + cm_write_mod_reg(prcm_context.per_cm_fclken, OMAP3430_PER_MOD, + CM_FCLKEN); + cm_write_mod_reg(prcm_context.usbhost_cm_fclken, + OMAP3430ES2_USBHOST_MOD, CM_FCLKEN); + cm_write_mod_reg(prcm_context.core_cm_iclken1, CORE_MOD, CM_ICLKEN1); + cm_write_mod_reg(prcm_context.core_cm_iclken2, CORE_MOD, CM_ICLKEN2); + cm_write_mod_reg(prcm_context.core_cm_iclken3, CORE_MOD, CM_ICLKEN3); + cm_write_mod_reg(prcm_context.sgx_cm_iclken, OMAP3430ES2_SGX_MOD, + CM_ICLKEN); + cm_write_mod_reg(prcm_context.wkup_cm_iclken, WKUP_MOD, CM_ICLKEN); + cm_write_mod_reg(prcm_context.dss_cm_iclken, OMAP3430_DSS_MOD, + CM_ICLKEN); + cm_write_mod_reg(prcm_context.cam_cm_iclken, OMAP3430_CAM_MOD, + CM_ICLKEN); + cm_write_mod_reg(prcm_context.per_cm_iclken, OMAP3430_PER_MOD, + CM_ICLKEN); + cm_write_mod_reg(prcm_context.usbhost_cm_iclken, + OMAP3430ES2_USBHOST_MOD, CM_ICLKEN); + cm_write_mod_reg(prcm_context.iva2_cm_autiidle2, OMAP3430_IVA2_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(prcm_context.mpu_cm_autoidle2, MPU_MOD, CM_AUTOIDLE2); + cm_write_mod_reg(prcm_context.pll_cm_autoidle, PLL_MOD, CM_AUTOIDLE); + cm_write_mod_reg(prcm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD, + CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.mpu_cm_clkstctrl, MPU_MOD, CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.core_cm_clkstctrl, CORE_MOD, + CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.sgx_cm_clkstctrl, OMAP3430ES2_SGX_MOD, + CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.dss_cm_clkstctrl, OMAP3430_DSS_MOD, + CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.cam_cm_clkstctrl, OMAP3430_CAM_MOD, + CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.per_cm_clkstctrl, OMAP3430_PER_MOD, + CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.neon_cm_clkstctrl, OMAP3430_NEON_MOD, + CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.usbhost_cm_clkstctrl, + OMAP3430ES2_USBHOST_MOD, CM_CLKSTCTRL); + cm_write_mod_reg(prcm_context.core_cm_autoidle1, CORE_MOD, + CM_AUTOIDLE1); + cm_write_mod_reg(prcm_context.core_cm_autoidle2, CORE_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(prcm_context.core_cm_autoidle3, CORE_MOD, + CM_AUTOIDLE3); + cm_write_mod_reg(prcm_context.wkup_cm_autoidle, WKUP_MOD, CM_AUTOIDLE); + cm_write_mod_reg(prcm_context.dss_cm_autoidle, OMAP3430_DSS_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(prcm_context.cam_cm_autoidle, OMAP3430_CAM_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(prcm_context.per_cm_autoidle, OMAP3430_PER_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(prcm_context.usbhost_cm_autoidle, + OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); + cm_write_mod_reg(prcm_context.sgx_cm_sleepdep, OMAP3430ES2_SGX_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(prcm_context.dss_cm_sleepdep, OMAP3430_DSS_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(prcm_context.cam_cm_sleepdep, OMAP3430_CAM_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(prcm_context.per_cm_sleepdep, OMAP3430_PER_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(prcm_context.usbhost_cm_sleepdep, + OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(prcm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD, + OMAP3_CM_CLKOUT_CTRL_OFFSET); + prm_write_mod_reg(prcm_context.prm_clkout_ctrl, OMAP3430_CCR_MOD, + OMAP3_PRM_CLKOUT_CTRL_OFFSET); + prm_write_mod_reg(prcm_context.sgx_pm_wkdep, OMAP3430ES2_SGX_MOD, + PM_WKDEP); + prm_write_mod_reg(prcm_context.dss_pm_wkdep, OMAP3430_DSS_MOD, + PM_WKDEP); + prm_write_mod_reg(prcm_context.cam_pm_wkdep, OMAP3430_CAM_MOD, + PM_WKDEP); + prm_write_mod_reg(prcm_context.per_pm_wkdep, OMAP3430_PER_MOD, + PM_WKDEP); + prm_write_mod_reg(prcm_context.neon_pm_wkdep, OMAP3430_NEON_MOD, + PM_WKDEP); + prm_write_mod_reg(prcm_context.usbhost_pm_wkdep, + OMAP3430ES2_USBHOST_MOD, PM_WKDEP); + prm_write_mod_reg(prcm_context.core_pm_mpugrpsel1, CORE_MOD, + OMAP3430_PM_MPUGRPSEL1); + prm_write_mod_reg(prcm_context.iva2_pm_ivagrpsel1, OMAP3430_IVA2_MOD, + OMAP3430_PM_IVAGRPSEL1); + prm_write_mod_reg(prcm_context.core_pm_mpugrpsel3, CORE_MOD, + OMAP3430ES2_PM_MPUGRPSEL3); + prm_write_mod_reg(prcm_context.core_pm_ivagrpsel3, CORE_MOD, + OMAP3430ES2_PM_IVAGRPSEL3); + prm_write_mod_reg(prcm_context.wkup_pm_mpugrpsel, WKUP_MOD, + OMAP3430_PM_MPUGRPSEL); + prm_write_mod_reg(prcm_context.wkup_pm_ivagrpsel, WKUP_MOD, + OMAP3430_PM_IVAGRPSEL); + prm_write_mod_reg(prcm_context.per_pm_mpugrpsel, OMAP3430_PER_MOD, + OMAP3430_PM_MPUGRPSEL); + prm_write_mod_reg(prcm_context.per_pm_ivagrpsel, OMAP3430_PER_MOD, + OMAP3430_PM_IVAGRPSEL); + prm_write_mod_reg(prcm_context.wkup_pm_wken, WKUP_MOD, PM_WKEN); + return; +} +#endif diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h index 9fd03a2ec95c..8f21bae6dc1c 100644 --- a/arch/arm/mach-omap2/prm-regbits-34xx.h +++ b/arch/arm/mach-omap2/prm-regbits-34xx.h @@ -365,6 +365,7 @@ /* PM_PREPWSTST_GFX specific bits */ /* PM_WKEN_WKUP specific bits */ +#define OMAP3430_EN_IO_CHAIN (1 << 16) #define OMAP3430_EN_IO (1 << 8) #define OMAP3430_EN_GPIO1 (1 << 3) @@ -373,6 +374,7 @@ /* PM_IVA2GRPSEL_WKUP specific bits */ /* PM_WKST_WKUP specific bits */ +#define OMAP3430_ST_IO_CHAIN (1 << 16) #define OMAP3430_ST_IO (1 << 8) /* PRM_CLKSEL */ diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h index 03c467c35f54..a117f853ea39 100644 --- a/arch/arm/mach-omap2/prm.h +++ b/arch/arm/mach-omap2/prm.h @@ -17,11 +17,11 @@ #include "prcm-common.h" #define OMAP2420_PRM_REGADDR(module, reg) \ - OMAP2_IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg)) + OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg)) #define OMAP2430_PRM_REGADDR(module, reg) \ - OMAP2_IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg)) + OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg)) #define OMAP34XX_PRM_REGADDR(module, reg) \ - OMAP2_IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg)) + OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg)) /* * Architecture-specific global PRM registers diff --git a/arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h b/arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h index 02e1c2d4705f..a391b4939f74 100644 --- a/arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h +++ b/arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h @@ -14,7 +14,7 @@ #ifndef ARCH_ARM_MACH_OMAP2_SDRAM_MICRON_MT46H32M32LF #define ARCH_ARM_MACH_OMAP2_SDRAM_MICRON_MT46H32M32LF -#include <mach/sdrc.h> +#include <plat/sdrc.h> /* Micron MT46H32M32LF-6 */ /* XXX Using ARE = 0x1 (no autorefresh burst) -- can this be changed? */ diff --git a/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h b/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h index 3751d293cb1f..0e518a72831f 100644 --- a/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h +++ b/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h @@ -14,7 +14,7 @@ #ifndef ARCH_ARM_MACH_OMAP2_SDRAM_QIMONDA_HYB18M512160AF6 #define ARCH_ARM_MACH_OMAP2_SDRAM_QIMONDA_HYB18M512160AF6 -#include <mach/sdrc.h> +#include <plat/sdrc.h> /* Qimonda HYB18M512160AF-6 */ static struct omap_sdrc_params hyb18m512160af6_sdrc_params[] = { diff --git a/arch/arm/mach-omap2/sdrc.c b/arch/arm/mach-omap2/sdrc.c index 9e3bd4fa7810..9a592199321c 100644 --- a/arch/arm/mach-omap2/sdrc.c +++ b/arch/arm/mach-omap2/sdrc.c @@ -23,13 +23,13 @@ #include <linux/clk.h> #include <linux/io.h> -#include <mach/common.h> -#include <mach/clock.h> -#include <mach/sram.h> +#include <plat/common.h> +#include <plat/clock.h> +#include <plat/sram.h> #include "prm.h" -#include <mach/sdrc.h> +#include <plat/sdrc.h> #include "sdrc.h" static struct omap_sdrc_params *sdrc_init_params_cs0, *sdrc_init_params_cs1; @@ -37,12 +37,38 @@ static struct omap_sdrc_params *sdrc_init_params_cs0, *sdrc_init_params_cs1; void __iomem *omap2_sdrc_base; void __iomem *omap2_sms_base; +struct omap2_sms_regs { + u32 sms_sysconfig; +}; + +static struct omap2_sms_regs sms_context; + /* SDRC_POWER register bits */ #define SDRC_POWER_EXTCLKDIS_SHIFT 3 #define SDRC_POWER_PWDENA_SHIFT 2 #define SDRC_POWER_PAGEPOLICY_SHIFT 0 /** + * omap2_sms_save_context - Save SMS registers + * + * Save SMS registers that need to be restored after off mode. + */ +void omap2_sms_save_context(void) +{ + sms_context.sms_sysconfig = sms_read_reg(SMS_SYSCONFIG); +} + +/** + * omap2_sms_restore_context - Restore SMS registers + * + * Restore SMS registers that need to be Restored after off mode. + */ +void omap2_sms_restore_context(void) +{ + sms_write_reg(sms_context.sms_sysconfig, SMS_SYSCONFIG); +} + +/** * omap2_sdrc_get_params - return SDRC register values for a given clock rate * @r: SDRC clock rate (in Hz) * @sdrc_cs0: chip select 0 ram timings ** @@ -132,4 +158,5 @@ void __init omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0, l = (1 << SDRC_POWER_EXTCLKDIS_SHIFT) | (1 << SDRC_POWER_PAGEPOLICY_SHIFT); sdrc_write_reg(l, SDRC_POWER); + omap2_sms_save_context(); } diff --git a/arch/arm/mach-omap2/sdrc.h b/arch/arm/mach-omap2/sdrc.h index 0837eda5f2b6..48207b018989 100644 --- a/arch/arm/mach-omap2/sdrc.h +++ b/arch/arm/mach-omap2/sdrc.h @@ -15,7 +15,7 @@ */ #undef DEBUG -#include <mach/sdrc.h> +#include <plat/sdrc.h> #ifndef __ASSEMBLER__ extern void __iomem *omap2_sdrc_base; @@ -48,9 +48,12 @@ static inline u32 sms_read_reg(u16 reg) return __raw_readl(OMAP_SMS_REGADDR(reg)); } #else -#define OMAP242X_SDRC_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP2420_SDRC_BASE + (reg)) -#define OMAP243X_SDRC_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP243X_SDRC_BASE + (reg)) -#define OMAP34XX_SDRC_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP343X_SDRC_BASE + (reg)) +#define OMAP242X_SDRC_REGADDR(reg) \ + OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE + (reg)) +#define OMAP243X_SDRC_REGADDR(reg) \ + OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE + (reg)) +#define OMAP34XX_SDRC_REGADDR(reg) \ + OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE + (reg)) #endif /* __ASSEMBLER__ */ #endif diff --git a/arch/arm/mach-omap2/sdrc2xxx.c b/arch/arm/mach-omap2/sdrc2xxx.c index feaec7eaf6bd..0f4d27aef44d 100644 --- a/arch/arm/mach-omap2/sdrc2xxx.c +++ b/arch/arm/mach-omap2/sdrc2xxx.c @@ -24,13 +24,13 @@ #include <linux/clk.h> #include <linux/io.h> -#include <mach/common.h> -#include <mach/clock.h> -#include <mach/sram.h> +#include <plat/common.h> +#include <plat/clock.h> +#include <plat/sram.h> #include "prm.h" #include "clock.h" -#include <mach/sdrc.h> +#include <plat/sdrc.h> #include "sdrc.h" /* Memory timing, DLL mode flags */ diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 54dfeb5d5667..72df1b188135 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -24,10 +24,10 @@ #include <linux/clk.h> #include <linux/io.h> -#include <mach/common.h> -#include <mach/board.h> -#include <mach/clock.h> -#include <mach/control.h> +#include <plat/common.h> +#include <plat/board.h> +#include <plat/clock.h> +#include <plat/control.h> #include "prm.h" #include "pm.h" @@ -73,7 +73,6 @@ static LIST_HEAD(uart_list); static struct plat_serial8250_port serial_platform_data0[] = { { - .membase = OMAP2_IO_ADDRESS(OMAP_UART1_BASE), .mapbase = OMAP_UART1_BASE, .irq = 72, .flags = UPF_BOOT_AUTOCONF, @@ -87,7 +86,6 @@ static struct plat_serial8250_port serial_platform_data0[] = { static struct plat_serial8250_port serial_platform_data1[] = { { - .membase = OMAP2_IO_ADDRESS(OMAP_UART2_BASE), .mapbase = OMAP_UART2_BASE, .irq = 73, .flags = UPF_BOOT_AUTOCONF, @@ -101,7 +99,6 @@ static struct plat_serial8250_port serial_platform_data1[] = { static struct plat_serial8250_port serial_platform_data2[] = { { - .membase = OMAP2_IO_ADDRESS(OMAP_UART3_BASE), .mapbase = OMAP_UART3_BASE, .irq = 74, .flags = UPF_BOOT_AUTOCONF, @@ -116,7 +113,6 @@ static struct plat_serial8250_port serial_platform_data2[] = { #ifdef CONFIG_ARCH_OMAP4 static struct plat_serial8250_port serial_platform_data3[] = { { - .membase = OMAP2_IO_ADDRESS(OMAP_UART4_BASE), .mapbase = OMAP_UART4_BASE, .irq = 70, .flags = UPF_BOOT_AUTOCONF, @@ -159,8 +155,6 @@ static inline void __init omap_uart_reset(struct omap_uart_state *uart) #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) -static int enable_off_mode; /* to be removed by full off-mode patches */ - static void omap_uart_save_context(struct omap_uart_state *uart) { u16 lcr = 0; @@ -595,6 +589,16 @@ void __init omap_serial_early_init(void) struct device *dev = &pdev->dev; struct plat_serial8250_port *p = dev->platform_data; + /* + * Module 4KB + L4 interconnect 4KB + * Static mapping, never released + */ + p->membase = ioremap(p->mapbase, SZ_8K); + if (!p->membase) { + printk(KERN_ERR "ioremap failed for uart%i\n", i + 1); + continue; + } + sprintf(name, "uart%d_ick", i+1); uart->ick = clk_get(NULL, name); if (IS_ERR(uart->ick)) { diff --git a/arch/arm/mach-omap2/sleep24xx.S b/arch/arm/mach-omap2/sleep24xx.S index 130aadbfa083..c7780cc8d919 100644 --- a/arch/arm/mach-omap2/sleep24xx.S +++ b/arch/arm/mach-omap2/sleep24xx.S @@ -29,7 +29,7 @@ #include <asm/assembler.h> #include <mach/io.h> -#include <mach/omap24xx.h> +#include <plat/omap24xx.h> #include "sdrc.h" diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S index e5e2553e79a6..15268f8b61de 100644 --- a/arch/arm/mach-omap2/sleep34xx.S +++ b/arch/arm/mach-omap2/sleep34xx.S @@ -27,22 +27,35 @@ #include <linux/linkage.h> #include <asm/assembler.h> #include <mach/io.h> -#include <mach/control.h> +#include <plat/control.h> +#include "cm.h" #include "prm.h" #include "sdrc.h" #define PM_PREPWSTST_CORE_V OMAP34XX_PRM_REGADDR(CORE_MOD, \ OMAP3430_PM_PREPWSTST) +#define PM_PREPWSTST_CORE_P 0x48306AE8 #define PM_PREPWSTST_MPU_V OMAP34XX_PRM_REGADDR(MPU_MOD, \ OMAP3430_PM_PREPWSTST) -#define PM_PWSTCTRL_MPU_P OMAP34XX_PRM_REGADDR(MPU_MOD, PM_PWSTCTRL) +#define PM_PWSTCTRL_MPU_P OMAP3430_PRM_BASE + MPU_MOD + PM_PWSTCTRL +#define CM_IDLEST1_CORE_V OMAP34XX_CM_REGADDR(CORE_MOD, CM_IDLEST1) +#define SRAM_BASE_P 0x40200000 +#define CONTROL_STAT 0x480022F0 #define SCRATCHPAD_MEM_OFFS 0x310 /* Move this as correct place is * available */ -#define SCRATCHPAD_BASE_P OMAP343X_CTRL_REGADDR(\ - OMAP343X_CONTROL_MEM_WKUP +\ - SCRATCHPAD_MEM_OFFS) +#define SCRATCHPAD_BASE_P (OMAP343X_CTRL_BASE + OMAP343X_CONTROL_MEM_WKUP\ + + SCRATCHPAD_MEM_OFFS) #define SDRC_POWER_V OMAP34XX_SDRC_REGADDR(SDRC_POWER) +#define SDRC_SYSCONFIG_P (OMAP343X_SDRC_BASE + SDRC_SYSCONFIG) +#define SDRC_MR_0_P (OMAP343X_SDRC_BASE + SDRC_MR_0) +#define SDRC_EMR2_0_P (OMAP343X_SDRC_BASE + SDRC_EMR2_0) +#define SDRC_MANUAL_0_P (OMAP343X_SDRC_BASE + SDRC_MANUAL_0) +#define SDRC_MR_1_P (OMAP343X_SDRC_BASE + SDRC_MR_1) +#define SDRC_EMR2_1_P (OMAP343X_SDRC_BASE + SDRC_EMR2_1) +#define SDRC_MANUAL_1_P (OMAP343X_SDRC_BASE + SDRC_MANUAL_1) +#define SDRC_DLLA_STATUS_V OMAP34XX_SDRC_REGADDR(SDRC_DLLA_STATUS) +#define SDRC_DLLA_CTRL_V OMAP34XX_SDRC_REGADDR(SDRC_DLLA_CTRL) .text /* Function call to get the restore pointer for resume from OFF */ @@ -51,7 +64,93 @@ ENTRY(get_restore_pointer) adr r0, restore ldmfd sp!, {pc} @ restore regs and return ENTRY(get_restore_pointer_sz) - .word . - get_restore_pointer_sz + .word . - get_restore_pointer + + .text +/* Function call to get the restore pointer for for ES3 to resume from OFF */ +ENTRY(get_es3_restore_pointer) + stmfd sp!, {lr} @ save registers on stack + adr r0, restore_es3 + ldmfd sp!, {pc} @ restore regs and return +ENTRY(get_es3_restore_pointer_sz) + .word . - get_es3_restore_pointer + +ENTRY(es3_sdrc_fix) + ldr r4, sdrc_syscfg @ get config addr + ldr r5, [r4] @ get value + tst r5, #0x100 @ is part access blocked + it eq + biceq r5, r5, #0x100 @ clear bit if set + str r5, [r4] @ write back change + ldr r4, sdrc_mr_0 @ get config addr + ldr r5, [r4] @ get value + str r5, [r4] @ write back change + ldr r4, sdrc_emr2_0 @ get config addr + ldr r5, [r4] @ get value + str r5, [r4] @ write back change + ldr r4, sdrc_manual_0 @ get config addr + mov r5, #0x2 @ autorefresh command + str r5, [r4] @ kick off refreshes + ldr r4, sdrc_mr_1 @ get config addr + ldr r5, [r4] @ get value + str r5, [r4] @ write back change + ldr r4, sdrc_emr2_1 @ get config addr + ldr r5, [r4] @ get value + str r5, [r4] @ write back change + ldr r4, sdrc_manual_1 @ get config addr + mov r5, #0x2 @ autorefresh command + str r5, [r4] @ kick off refreshes + bx lr +sdrc_syscfg: + .word SDRC_SYSCONFIG_P +sdrc_mr_0: + .word SDRC_MR_0_P +sdrc_emr2_0: + .word SDRC_EMR2_0_P +sdrc_manual_0: + .word SDRC_MANUAL_0_P +sdrc_mr_1: + .word SDRC_MR_1_P +sdrc_emr2_1: + .word SDRC_EMR2_1_P +sdrc_manual_1: + .word SDRC_MANUAL_1_P +ENTRY(es3_sdrc_fix_sz) + .word . - es3_sdrc_fix + +/* Function to call rom code to save secure ram context */ +ENTRY(save_secure_ram_context) + stmfd sp!, {r1-r12, lr} @ save registers on stack +save_secure_ram_debug: + /* b save_secure_ram_debug */ @ enable to debug save code + adr r3, api_params @ r3 points to parameters + str r0, [r3,#0x4] @ r0 has sdram address + ldr r12, high_mask + and r3, r3, r12 + ldr r12, sram_phy_addr_mask + orr r3, r3, r12 + mov r0, #25 @ set service ID for PPA + mov r12, r0 @ copy secure service ID in r12 + mov r1, #0 @ set task id for ROM code in r1 + mov r2, #4 @ set some flags in r2, r6 + mov r6, #0xff + mcr p15, 0, r0, c7, c10, 4 @ data write barrier + mcr p15, 0, r0, c7, c10, 5 @ data memory barrier + .word 0xE1600071 @ call SMI monitor (smi #1) + nop + nop + nop + nop + ldmfd sp!, {r1-r12, pc} +sram_phy_addr_mask: + .word SRAM_BASE_P +high_mask: + .word 0xffff +api_params: + .word 0x4, 0x0, 0x0, 0x1, 0x1 +ENTRY(save_secure_ram_context_sz) + .word . - save_secure_ram_context + /* * Forces OMAP into idle state * @@ -92,11 +191,29 @@ loop: nop nop nop - bl i_dll_wait + bl wait_sdrc_ok ldmfd sp!, {r0-r12, pc} @ restore regs and return +restore_es3: + /*b restore_es3*/ @ Enable to debug restore code + ldr r5, pm_prepwstst_core_p + ldr r4, [r5] + and r4, r4, #0x3 + cmp r4, #0x0 @ Check if previous power state of CORE is OFF + bne restore + adr r0, es3_sdrc_fix + ldr r1, sram_base + ldr r2, es3_sdrc_fix_sz + mov r2, r2, ror #2 +copy_to_sram: + ldmia r0!, {r3} @ val = *src + stmia r1!, {r3} @ *dst = val + subs r2, r2, #0x1 @ num_words-- + bne copy_to_sram + ldr r1, sram_base + blx r1 restore: - /* b restore*/ @ Enable to debug restore code + /* b restore*/ @ Enable to debug restore code /* Check what was the reason for mpu reset and store the reason in r9*/ /* 1 - Only L1 and logic lost */ /* 2 - Only L2 lost - In this case, we wont be here */ @@ -108,9 +225,44 @@ restore: moveq r9, #0x3 @ MPU OFF => L1 and L2 lost movne r9, #0x1 @ Only L1 and L2 lost => avoid L2 invalidation bne logic_l1_restore + ldr r0, control_stat + ldr r1, [r0] + and r1, #0x700 + cmp r1, #0x300 + beq l2_inv_gp + mov r0, #40 @ set service ID for PPA + mov r12, r0 @ copy secure Service ID in r12 + mov r1, #0 @ set task id for ROM code in r1 + mov r2, #4 @ set some flags in r2, r6 + mov r6, #0xff + adr r3, l2_inv_api_params @ r3 points to dummy parameters + mcr p15, 0, r0, c7, c10, 4 @ data write barrier + mcr p15, 0, r0, c7, c10, 5 @ data memory barrier + .word 0xE1600071 @ call SMI monitor (smi #1) + /* Write to Aux control register to set some bits */ + mov r0, #42 @ set service ID for PPA + mov r12, r0 @ copy secure Service ID in r12 + mov r1, #0 @ set task id for ROM code in r1 + mov r2, #4 @ set some flags in r2, r6 + mov r6, #0xff + adr r3, write_aux_control_params @ r3 points to parameters + mcr p15, 0, r0, c7, c10, 4 @ data write barrier + mcr p15, 0, r0, c7, c10, 5 @ data memory barrier + .word 0xE1600071 @ call SMI monitor (smi #1) + + b logic_l1_restore +l2_inv_api_params: + .word 0x1, 0x00 +write_aux_control_params: + .word 0x1, 0x72 +l2_inv_gp: /* Execute smi to invalidate L2 cache */ mov r12, #0x1 @ set up to invalide L2 -smi: .word 0xE1600070 @ Call SMI monitor (smieq) +smi: .word 0xE1600070 @ Call SMI monitor (smieq) + /* Write to Aux control register to set some bits */ + mov r0, #0x72 + mov r12, #0x3 + .word 0xE1600070 @ Call SMI monitor (smieq) logic_l1_restore: mov r1, #0 /* Invalidate all instruction caches to PoU @@ -391,33 +543,55 @@ skip_l2_inval: nop nop nop - bl i_dll_wait + bl wait_sdrc_ok /* restore regs and return */ ldmfd sp!, {r0-r12, pc} -i_dll_wait: - ldr r4, clk_stabilize_delay +/* Make sure SDRC accesses are ok */ +wait_sdrc_ok: + ldr r4, cm_idlest1_core + ldr r5, [r4] + and r5, r5, #0x2 + cmp r5, #0 + bne wait_sdrc_ok + ldr r4, sdrc_power + ldr r5, [r4] + bic r5, r5, #0x40 + str r5, [r4] +wait_dll_lock: + /* Is dll in lock mode? */ + ldr r4, sdrc_dlla_ctrl + ldr r5, [r4] + tst r5, #0x4 + bxne lr + /* wait till dll locks */ + ldr r4, sdrc_dlla_status + ldr r5, [r4] + and r5, r5, #0x4 + cmp r5, #0x4 + bne wait_dll_lock + bx lr -i_dll_delay: - subs r4, r4, #0x1 - bne i_dll_delay - ldr r4, sdrc_power - ldr r5, [r4] - bic r5, r5, #0x40 - str r5, [r4] - bx lr +cm_idlest1_core: + .word CM_IDLEST1_CORE_V +sdrc_dlla_status: + .word SDRC_DLLA_STATUS_V +sdrc_dlla_ctrl: + .word SDRC_DLLA_CTRL_V pm_prepwstst_core: .word PM_PREPWSTST_CORE_V +pm_prepwstst_core_p: + .word PM_PREPWSTST_CORE_P pm_prepwstst_mpu: .word PM_PREPWSTST_MPU_V pm_pwstctrl_mpu: .word PM_PWSTCTRL_MPU_P scratchpad_base: .word SCRATCHPAD_BASE_P +sram_base: + .word SRAM_BASE_P + 0x8000 sdrc_power: .word SDRC_POWER_V -context_mem: - .word 0x803E3E14 clk_stabilize_delay: .word 0x000001FF assoc_mask: @@ -432,5 +606,7 @@ table_entry: .word 0x00000C02 cache_pred_disable_mask: .word 0xFFFFE7FB +control_stat: + .word CONTROL_STAT ENTRY(omap34xx_cpu_suspend_sz) .word . - omap34xx_cpu_suspend diff --git a/arch/arm/mach-omap2/sram242x.S b/arch/arm/mach-omap2/sram242x.S index 9b62208658bc..92e6e1a12af8 100644 --- a/arch/arm/mach-omap2/sram242x.S +++ b/arch/arm/mach-omap2/sram242x.S @@ -128,7 +128,7 @@ omap242x_sdi_prcm_voltctrl: prcm_mask_val: .word 0xFFFF3FFC omap242x_sdi_timer_32ksynct_cr: - .word OMAP2_IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010) + .word OMAP2_L4_IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010) ENTRY(omap242x_sram_ddr_init_sz) .word . - omap242x_sram_ddr_init @@ -224,7 +224,7 @@ omap242x_srs_prcm_voltctrl: ddr_prcm_mask_val: .word 0xFFFF3FFC omap242x_srs_timer_32ksynct: - .word OMAP2_IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010) + .word OMAP2_L4_IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010) ENTRY(omap242x_sram_reprogram_sdrc_sz) .word . - omap242x_sram_reprogram_sdrc diff --git a/arch/arm/mach-omap2/sram243x.S b/arch/arm/mach-omap2/sram243x.S index df2cd9277c00..ab4973695c71 100644 --- a/arch/arm/mach-omap2/sram243x.S +++ b/arch/arm/mach-omap2/sram243x.S @@ -128,7 +128,7 @@ omap243x_sdi_prcm_voltctrl: prcm_mask_val: .word 0xFFFF3FFC omap243x_sdi_timer_32ksynct_cr: - .word OMAP2_IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010) + .word OMAP2_L4_IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010) ENTRY(omap243x_sram_ddr_init_sz) .word . - omap243x_sram_ddr_init @@ -224,7 +224,7 @@ omap243x_srs_prcm_voltctrl: ddr_prcm_mask_val: .word 0xFFFF3FFC omap243x_srs_timer_32ksynct: - .word OMAP2_IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010) + .word OMAP2_L4_IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010) ENTRY(omap243x_sram_reprogram_sdrc_sz) .word . - omap243x_sram_reprogram_sdrc diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c index e2338c0aebcf..cd04deaa88c5 100644 --- a/arch/arm/mach-omap2/timer-gp.c +++ b/arch/arm/mach-omap2/timer-gp.c @@ -37,7 +37,7 @@ #include <linux/clockchips.h> #include <asm/mach/time.h> -#include <mach/dmtimer.h> +#include <plat/dmtimer.h> #include <asm/localtimer.h> /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */ @@ -47,6 +47,7 @@ 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) { @@ -134,6 +135,7 @@ static void __init omap2_gp_clockevent_init(void) 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; @@ -231,7 +233,8 @@ static void __init omap2_gp_clocksource_init(void) static void __init omap2_gp_timer_init(void) { #ifdef CONFIG_LOCAL_TIMERS - twd_base = OMAP2_IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE); + twd_base = ioremap(OMAP44XX_LOCAL_TWD_BASE, SZ_256); + BUG_ON(!twd_base); #endif omap_dm_timer_init(); diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 1145a2562b0f..a80441dd19b8 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -28,8 +28,8 @@ #include <mach/hardware.h> #include <mach/irqs.h> -#include <mach/mux.h> -#include <mach/usb.h> +#include <plat/mux.h> +#include <plat/usb.h> #ifdef CONFIG_USB_MUSB_SOC diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c index 8622c24cd270..10a2013c1104 100644 --- a/arch/arm/mach-omap2/usb-tusb6010.c +++ b/arch/arm/mach-omap2/usb-tusb6010.c @@ -16,8 +16,8 @@ #include <linux/usb/musb.h> -#include <mach/gpmc.h> -#include <mach/mux.h> +#include <plat/gpmc.h> +#include <plat/mux.h> static u8 async_cs, sync_cs; |
