diff --git a/Documentation/devicetree/bindings/arm/calxeda.txt b/Documentation/devicetree/bindings/arm/calxeda.txt index 4755caaccba..25fcf96795c 100644 --- a/Documentation/devicetree/bindings/arm/calxeda.txt +++ b/Documentation/devicetree/bindings/arm/calxeda.txt @@ -1,8 +1,15 @@ -Calxeda Highbank Platforms Device Tree Bindings +Calxeda Platforms Device Tree Bindings ----------------------------------------------- -Boards with Calxeda Cortex-A9 based Highbank SOC shall have the following -properties. +Boards with Calxeda Cortex-A9 based ECX-1000 (Highbank) SOC shall have the +following properties. Required root node properties: - compatible = "calxeda,highbank"; + + +Boards with Calxeda Cortex-A15 based ECX-2000 SOC shall have the following +properties. + +Required root node properties: + - compatible = "calxeda,ecx-2000"; diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index a9d8a10d1ac..b994045802b 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -24,7 +24,8 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \ exynos4210-smdkv310.dtb \ exynos4210-trats.dtb \ exynos5250-smdk5250.dtb -dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb +dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \ + ecx-2000.dtb dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \ integratorcp.dtb dtb-$(CONFIG_ARCH_LPC32XX) += ea3250.dtb phy3250.dtb diff --git a/arch/arm/boot/dts/ecx-2000.dts b/arch/arm/boot/dts/ecx-2000.dts new file mode 100644 index 00000000000..46477ac1de9 --- /dev/null +++ b/arch/arm/boot/dts/ecx-2000.dts @@ -0,0 +1,104 @@ +/* + * Copyright 2011-2012 Calxeda, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see . + */ + +/dts-v1/; + +/* First 4KB has pen for secondary cores. */ +/memreserve/ 0x00000000 0x0001000; + +/ { + model = "Calxeda ECX-2000"; + compatible = "calxeda,ecx-2000"; + #address-cells = <2>; + #size-cells = <2>; + clock-ranges; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a15"; + reg = <0>; + clocks = <&a9pll>; + clock-names = "cpu"; + }; + + cpu@1 { + compatible = "arm,cortex-a15"; + reg = <1>; + clocks = <&a9pll>; + clock-names = "cpu"; + }; + + cpu@2 { + compatible = "arm,cortex-a15"; + reg = <2>; + clocks = <&a9pll>; + clock-names = "cpu"; + }; + + cpu@3 { + compatible = "arm,cortex-a15"; + reg = <3>; + clocks = <&a9pll>; + clock-names = "cpu"; + }; + }; + + memory@0 { + name = "memory"; + device_type = "memory"; + reg = <0x00000000 0x00000000 0x00000000 0xff800000>; + }; + + memory@200000000 { + name = "memory"; + device_type = "memory"; + reg = <0x00000002 0x00000000 0x00000003 0x00000000>; + }; + + soc { + ranges = <0x00000000 0x00000000 0x00000000 0xffffffff>; + + timer { + compatible = "arm,cortex-a15-timer", "arm,armv7-timer"; interrupts = <1 13 0xf08>, + <1 14 0xf08>, + <1 11 0xf08>, + <1 10 0xf08>; + }; + + intc: interrupt-controller@fff11000 { + compatible = "arm,cortex-a15-gic"; + #interrupt-cells = <3>; + #size-cells = <0>; + #address-cells = <1>; + interrupt-controller; + interrupts = <1 9 0xf04>; + reg = <0xfff11000 0x1000>, + <0xfff12000 0x1000>, + <0xfff14000 0x2000>, + <0xfff16000 0x2000>; + }; + + pmu { + compatible = "arm,cortex-a9-pmu"; + interrupts = <0 76 4 0 75 4 0 74 4 0 73 4>; + }; + }; +}; + +/include/ "ecx-common.dtsi" diff --git a/arch/arm/boot/dts/ecx-common.dtsi b/arch/arm/boot/dts/ecx-common.dtsi new file mode 100644 index 00000000000..d61b535f682 --- /dev/null +++ b/arch/arm/boot/dts/ecx-common.dtsi @@ -0,0 +1,237 @@ +/* + * Copyright 2011-2012 Calxeda, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see . + */ + +/ { + chosen { + bootargs = "console=ttyAMA0"; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&intc>; + + sata@ffe08000 { + compatible = "calxeda,hb-ahci"; + reg = <0xffe08000 0x10000>; + interrupts = <0 83 4>; + dma-coherent; + calxeda,port-phys = <&combophy5 0 &combophy0 0 + &combophy0 1 &combophy0 2 + &combophy0 3>; + }; + + sdhci@ffe0e000 { + compatible = "calxeda,hb-sdhci"; + reg = <0xffe0e000 0x1000>; + interrupts = <0 90 4>; + clocks = <&eclk>; + status = "disabled"; + }; + + memory-controller@fff00000 { + compatible = "calxeda,hb-ddr-ctrl"; + reg = <0xfff00000 0x1000>; + interrupts = <0 91 4>; + }; + + ipc@fff20000 { + compatible = "arm,pl320", "arm,primecell"; + reg = <0xfff20000 0x1000>; + interrupts = <0 7 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + }; + + gpioe: gpio@fff30000 { + #gpio-cells = <2>; + compatible = "arm,pl061", "arm,primecell"; + gpio-controller; + reg = <0xfff30000 0x1000>; + interrupts = <0 14 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + status = "disabled"; + }; + + gpiof: gpio@fff31000 { + #gpio-cells = <2>; + compatible = "arm,pl061", "arm,primecell"; + gpio-controller; + reg = <0xfff31000 0x1000>; + interrupts = <0 15 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + status = "disabled"; + }; + + gpiog: gpio@fff32000 { + #gpio-cells = <2>; + compatible = "arm,pl061", "arm,primecell"; + gpio-controller; + reg = <0xfff32000 0x1000>; + interrupts = <0 16 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + status = "disabled"; + }; + + gpioh: gpio@fff33000 { + #gpio-cells = <2>; + compatible = "arm,pl061", "arm,primecell"; + gpio-controller; + reg = <0xfff33000 0x1000>; + interrupts = <0 17 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + status = "disabled"; + }; + + timer@fff34000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0xfff34000 0x1000>; + interrupts = <0 18 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + }; + + rtc@fff35000 { + compatible = "arm,pl031", "arm,primecell"; + reg = <0xfff35000 0x1000>; + interrupts = <0 19 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + }; + + serial@fff36000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0xfff36000 0x1000>; + interrupts = <0 20 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + }; + + smic@fff3a000 { + compatible = "ipmi-smic"; + device_type = "ipmi"; + reg = <0xfff3a000 0x1000>; + interrupts = <0 24 4>; + reg-size = <4>; + reg-spacing = <4>; + }; + + sregs@fff3c000 { + compatible = "calxeda,hb-sregs"; + reg = <0xfff3c000 0x1000>; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + osc: oscillator { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <33333000>; + }; + + ddrpll: ddrpll { + #clock-cells = <0>; + compatible = "calxeda,hb-pll-clock"; + clocks = <&osc>; + reg = <0x108>; + }; + + a9pll: a9pll { + #clock-cells = <0>; + compatible = "calxeda,hb-pll-clock"; + clocks = <&osc>; + reg = <0x100>; + }; + + a9periphclk: a9periphclk { + #clock-cells = <0>; + compatible = "calxeda,hb-a9periph-clock"; + clocks = <&a9pll>; + reg = <0x104>; + }; + + a9bclk: a9bclk { + #clock-cells = <0>; + compatible = "calxeda,hb-a9bus-clock"; + clocks = <&a9pll>; + reg = <0x104>; + }; + + emmcpll: emmcpll { + #clock-cells = <0>; + compatible = "calxeda,hb-pll-clock"; + clocks = <&osc>; + reg = <0x10C>; + }; + + eclk: eclk { + #clock-cells = <0>; + compatible = "calxeda,hb-emmc-clock"; + clocks = <&emmcpll>; + reg = <0x114>; + }; + + pclk: pclk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <150000000>; + }; + }; + }; + + dma@fff3d000 { + compatible = "arm,pl330", "arm,primecell"; + reg = <0xfff3d000 0x1000>; + interrupts = <0 92 4>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + }; + + ethernet@fff50000 { + compatible = "calxeda,hb-xgmac"; + reg = <0xfff50000 0x1000>; + interrupts = <0 77 4 0 78 4 0 79 4>; + dma-coherent; + }; + + ethernet@fff51000 { + compatible = "calxeda,hb-xgmac"; + reg = <0xfff51000 0x1000>; + interrupts = <0 80 4 0 81 4 0 82 4>; + dma-coherent; + }; + + combophy0: combo-phy@fff58000 { + compatible = "calxeda,hb-combophy"; + #phy-cells = <1>; + reg = <0xfff58000 0x1000>; + phydev = <5>; + }; + + combophy5: combo-phy@fff5d000 { + compatible = "calxeda,hb-combophy"; + #phy-cells = <1>; + reg = <0xfff5d000 0x1000>; + phydev = <31>; + }; + }; +}; diff --git a/arch/arm/boot/dts/highbank.dts b/arch/arm/boot/dts/highbank.dts index 0c6fc34821f..a9ae5d32e80 100644 --- a/arch/arm/boot/dts/highbank.dts +++ b/arch/arm/boot/dts/highbank.dts @@ -69,16 +69,8 @@ reg = <0x00000000 0xff900000>; }; - chosen { - bootargs = "console=ttyAMA0"; - }; - soc { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - interrupt-parent = <&intc>; - ranges; + ranges = <0x00000000 0x00000000 0xffffffff>; timer@fff10600 { compatible = "arm,cortex-a9-twd-timer"; @@ -117,173 +109,6 @@ interrupts = <0 76 4 0 75 4 0 74 4 0 73 4>; }; - sata@ffe08000 { - compatible = "calxeda,hb-ahci"; - reg = <0xffe08000 0x10000>; - interrupts = <0 83 4>; - calxeda,port-phys = <&combophy5 0 &combophy0 0 - &combophy0 1 &combophy0 2 - &combophy0 3>; - dma-coherent; - }; - - sdhci@ffe0e000 { - compatible = "calxeda,hb-sdhci"; - reg = <0xffe0e000 0x1000>; - interrupts = <0 90 4>; - clocks = <&eclk>; - }; - - memory-controller@fff00000 { - compatible = "calxeda,hb-ddr-ctrl"; - reg = <0xfff00000 0x1000>; - interrupts = <0 91 4>; - }; - - ipc@fff20000 { - compatible = "arm,pl320", "arm,primecell"; - reg = <0xfff20000 0x1000>; - interrupts = <0 7 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - gpioe: gpio@fff30000 { - #gpio-cells = <2>; - compatible = "arm,pl061", "arm,primecell"; - gpio-controller; - reg = <0xfff30000 0x1000>; - interrupts = <0 14 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - gpiof: gpio@fff31000 { - #gpio-cells = <2>; - compatible = "arm,pl061", "arm,primecell"; - gpio-controller; - reg = <0xfff31000 0x1000>; - interrupts = <0 15 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - gpiog: gpio@fff32000 { - #gpio-cells = <2>; - compatible = "arm,pl061", "arm,primecell"; - gpio-controller; - reg = <0xfff32000 0x1000>; - interrupts = <0 16 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - gpioh: gpio@fff33000 { - #gpio-cells = <2>; - compatible = "arm,pl061", "arm,primecell"; - gpio-controller; - reg = <0xfff33000 0x1000>; - interrupts = <0 17 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - timer { - compatible = "arm,sp804", "arm,primecell"; - reg = <0xfff34000 0x1000>; - interrupts = <0 18 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - rtc@fff35000 { - compatible = "arm,pl031", "arm,primecell"; - reg = <0xfff35000 0x1000>; - interrupts = <0 19 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - serial@fff36000 { - compatible = "arm,pl011", "arm,primecell"; - reg = <0xfff36000 0x1000>; - interrupts = <0 20 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - smic@fff3a000 { - compatible = "ipmi-smic"; - device_type = "ipmi"; - reg = <0xfff3a000 0x1000>; - interrupts = <0 24 4>; - reg-size = <4>; - reg-spacing = <4>; - }; - - sregs@fff3c000 { - compatible = "calxeda,hb-sregs"; - reg = <0xfff3c000 0x1000>; - - clocks { - #address-cells = <1>; - #size-cells = <0>; - - osc: oscillator { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <33333000>; - }; - - ddrpll: ddrpll { - #clock-cells = <0>; - compatible = "calxeda,hb-pll-clock"; - clocks = <&osc>; - reg = <0x108>; - }; - - a9pll: a9pll { - #clock-cells = <0>; - compatible = "calxeda,hb-pll-clock"; - clocks = <&osc>; - reg = <0x100>; - }; - - a9periphclk: a9periphclk { - #clock-cells = <0>; - compatible = "calxeda,hb-a9periph-clock"; - clocks = <&a9pll>; - reg = <0x104>; - }; - - a9bclk: a9bclk { - #clock-cells = <0>; - compatible = "calxeda,hb-a9bus-clock"; - clocks = <&a9pll>; - reg = <0x104>; - }; - - emmcpll: emmcpll { - #clock-cells = <0>; - compatible = "calxeda,hb-pll-clock"; - clocks = <&osc>; - reg = <0x10C>; - }; - - eclk: eclk { - #clock-cells = <0>; - compatible = "calxeda,hb-emmc-clock"; - clocks = <&emmcpll>; - reg = <0x114>; - }; - - pclk: pclk { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <150000000>; - }; - }; - }; sregs@fff3c200 { compatible = "calxeda,hb-sregs-l2-ecc"; @@ -291,38 +116,7 @@ interrupts = <0 71 4 0 72 4>; }; - dma@fff3d000 { - compatible = "arm,pl330", "arm,primecell"; - reg = <0xfff3d000 0x1000>; - interrupts = <0 92 4>; - clocks = <&pclk>; - clock-names = "apb_pclk"; - }; - - ethernet@fff50000 { - compatible = "calxeda,hb-xgmac"; - reg = <0xfff50000 0x1000>; - interrupts = <0 77 4 0 78 4 0 79 4>; - }; - - ethernet@fff51000 { - compatible = "calxeda,hb-xgmac"; - reg = <0xfff51000 0x1000>; - interrupts = <0 80 4 0 81 4 0 82 4>; - }; - - combophy0: combo-phy@fff58000 { - compatible = "calxeda,hb-combophy"; - #phy-cells = <1>; - reg = <0xfff58000 0x1000>; - phydev = <5>; - }; - - combophy5: combo-phy@fff5d000 { - compatible = "calxeda,hb-combophy"; - #phy-cells = <1>; - reg = <0xfff5d000 0x1000>; - phydev = <31>; - }; }; }; + +/include/ "ecx-common.dtsi" diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h index 195ac2f9d3d..2fe141fcc8d 100644 --- a/arch/arm/include/asm/mach/map.h +++ b/arch/arm/include/asm/mach/map.h @@ -40,6 +40,13 @@ extern void iotable_init(struct map_desc *, int); extern void vm_reserve_area_early(unsigned long addr, unsigned long size, void *caller); +#ifdef CONFIG_DEBUG_LL +extern void debug_ll_addr(unsigned long *paddr, unsigned long *vaddr); +extern void debug_ll_io_init(void); +#else +static inline void debug_ll_io_init(void) {} +#endif + struct mem_type; extern const struct mem_type *get_mem_type(unsigned int type); /* diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index 66f711b2e0e..6809200c31f 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -100,6 +100,13 @@ ENTRY(printch) b 1b ENDPROC(printch) +ENTRY(debug_ll_addr) + addruart r2, r3, ip + str r2, [r0] + str r3, [r1] + mov pc, lr +ENDPROC(debug_ll_addr) + #else ENTRY(printascii) @@ -119,4 +126,11 @@ ENTRY(printch) mov pc, lr ENDPROC(printch) +ENTRY(debug_ll_addr) + mov r2, #0 + str r2, [r0] + str r2, [r1] + mov pc, lr +ENDPROC(debug_ll_addr) + #endif diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index b22d700fea2..6ec73f91a1d 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -366,10 +366,8 @@ void __init twd_local_timer_of_register(void) int err; np = of_find_matching_node(NULL, twd_of_match); - if (!np) { - err = -ENODEV; - goto out; - } + if (!np) + return -ENODEV; twd_ppi = irq_of_parse_and_map(np, 0); if (!twd_ppi) { diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig index 0e1d0a42a3e..551c97e87a7 100644 --- a/arch/arm/mach-highbank/Kconfig +++ b/arch/arm/mach-highbank/Kconfig @@ -1,5 +1,5 @@ config ARCH_HIGHBANK - bool "Calxeda ECX-1000 (Highbank)" if ARCH_MULTI_V7 + bool "Calxeda ECX-1000/2000 (Highbank/Midway)" if ARCH_MULTI_V7 select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_AMBA select ARM_GIC diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 40e36a50304..3e60e574415 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -26,32 +26,22 @@ #include #include +#include #include #include -#include #include #include #include #include #include #include -#include #include #include "core.h" #include "sysregs.h" void __iomem *sregs_base; - -#define HB_SCU_VIRT_BASE 0xfee00000 -void __iomem *scu_base_addr = ((void __iomem *)(HB_SCU_VIRT_BASE)); - -static struct map_desc scu_io_desc __initdata = { - .virtual = HB_SCU_VIRT_BASE, - .pfn = 0, /* run-time */ - .length = SZ_4K, - .type = MT_DEVICE, -}; +void __iomem *scu_base_addr; static void __init highbank_scu_map_io(void) { @@ -60,13 +50,11 @@ static void __init highbank_scu_map_io(void) /* Get SCU base */ asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (base)); - scu_io_desc.pfn = __phys_to_pfn(base); - iotable_init(&scu_io_desc, 1); + scu_base_addr = ioremap(base, SZ_4K); } static void __init highbank_map_io(void) { - highbank_scu_map_io(); highbank_lluart_map_io(); } @@ -83,6 +71,7 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr) } const static struct of_device_id irq_match[] = { + { .compatible = "arm,cortex-a15-gic", .data = gic_of_init, }, { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, {} }; @@ -99,6 +88,9 @@ static void __init highbank_init_irq(void) { of_irq_init(irq_match); + if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9")) + highbank_scu_map_io(); + #ifdef CONFIG_CACHE_L2X0 /* Enable PL310 L2 Cache controller */ highbank_smc1(0x102, 0x1); @@ -136,6 +128,9 @@ static void __init highbank_timer_init(void) sp804_clockevents_init(timer_base, irq, "timer0"); twd_local_timer_of_register(); + + arch_timer_of_register(); + arch_timer_sched_clock_init(); } static struct sys_timer highbank_timer = { @@ -145,7 +140,6 @@ static struct sys_timer highbank_timer = { static void highbank_power_off(void) { hignbank_set_pwr_shutdown(); - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); while (1) cpu_do_idle(); @@ -211,6 +205,7 @@ static void __init highbank_init(void) static const char *highbank_match[] __initconst = { "calxeda,highbank", + "calxeda,ecx-2000", NULL, }; diff --git a/arch/arm/mach-highbank/hotplug.c b/arch/arm/mach-highbank/hotplug.c index 2c1b8c3c8e4..7b60faccd55 100644 --- a/arch/arm/mach-highbank/hotplug.c +++ b/arch/arm/mach-highbank/hotplug.c @@ -14,13 +14,11 @@ * this program. If not, see . */ #include -#include -#include -#include #include #include "core.h" +#include "sysregs.h" extern void secondary_startup(void); @@ -33,7 +31,7 @@ void __ref highbank_cpu_die(unsigned int cpu) flush_cache_all(); highbank_set_cpu_jump(cpu, secondary_startup); - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); + highbank_set_core_pwr(); cpu_do_idle(); diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c index fa9560ec6e7..1129957f6c1 100644 --- a/arch/arm/mach-highbank/platsmp.c +++ b/arch/arm/mach-highbank/platsmp.c @@ -42,9 +42,7 @@ static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struc */ static void __init highbank_smp_init_cpus(void) { - unsigned int i, ncores; - - ncores = scu_get_core_count(scu_base_addr); + unsigned int i, ncores = 4; /* sanity check */ if (ncores > NR_CPUS) { @@ -65,7 +63,8 @@ static void __init highbank_smp_prepare_cpus(unsigned int max_cpus) { int i; - scu_enable(scu_base_addr); + if (scu_base_addr) + scu_enable(scu_base_addr); /* * Write the address of secondary startup into the jump table diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c index de866f21331..74aa135966f 100644 --- a/arch/arm/mach-highbank/pm.c +++ b/arch/arm/mach-highbank/pm.c @@ -19,7 +19,6 @@ #include #include -#include #include #include "core.h" @@ -35,8 +34,6 @@ static int highbank_pm_enter(suspend_state_t state) { hignbank_set_pwr_suspend(); highbank_set_cpu_jump(0, cpu_resume); - - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); cpu_suspend(0, highbank_suspend_finish); return 0; diff --git a/arch/arm/mach-highbank/sysregs.h b/arch/arm/mach-highbank/sysregs.h index 0e913389f44..e13e8ea7c6c 100644 --- a/arch/arm/mach-highbank/sysregs.h +++ b/arch/arm/mach-highbank/sysregs.h @@ -17,6 +17,10 @@ #define _MACH_HIGHBANK__SYSREGS_H_ #include +#include +#include +#include +#include "core.h" extern void __iomem *sregs_base; @@ -29,24 +33,39 @@ extern void __iomem *sregs_base; #define HB_PWR_HARD_RESET 2 #define HB_PWR_SHUTDOWN 3 +#define SREG_CPU_PWR_CTRL(c) (0x200 + ((c) * 4)) + +static inline void highbank_set_core_pwr(void) +{ + int cpu = cpu_logical_map(smp_processor_id()); + if (scu_base_addr) + scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); + else + writel_relaxed(1, sregs_base + SREG_CPU_PWR_CTRL(cpu)); +} + static inline void hignbank_set_pwr_suspend(void) { writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ); + highbank_set_core_pwr(); } static inline void hignbank_set_pwr_shutdown(void) { writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ); + highbank_set_core_pwr(); } static inline void hignbank_set_pwr_soft_reset(void) { writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ); + highbank_set_core_pwr(); } static inline void hignbank_set_pwr_hard_reset(void) { writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ); + highbank_set_core_pwr(); } #endif diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c index 82c27230d4a..194a5bbb736 100644 --- a/arch/arm/mach-highbank/system.c +++ b/arch/arm/mach-highbank/system.c @@ -14,7 +14,6 @@ * this program. If not, see . */ #include -#include #include #include "core.h" @@ -27,7 +26,6 @@ void highbank_restart(char mode, const char *cmd) else hignbank_set_pwr_soft_reset(); - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); cpu_do_idle(); } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 941dfb9e9a7..39719bb93ca 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -876,6 +876,22 @@ static void __init pci_reserve_io(void) #define pci_reserve_io() do { } while (0) #endif +#ifdef CONFIG_DEBUG_LL +void __init debug_ll_io_init(void) +{ + struct map_desc map; + + debug_ll_addr(&map.pfn, &map.virtual); + if (!map.pfn || !map.virtual) + return; + map.pfn = __phys_to_pfn(map.pfn); + map.virtual &= PAGE_MASK; + map.length = PAGE_SIZE; + map.type = MT_DEVICE; + create_mapping(&map); +} +#endif + static void * __initdata vmalloc_min = (void *)(VMALLOC_END - (240 << 20) - VMALLOC_OFFSET);