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Merge branches 'devel/debug_ll_init' and 'calxeda/ecx-2000' into next/soc2 

Dependencies for highbank debug_ll_init patch
This commit is contained in:
Arnd Bergmann 2012-11-12 23:02:45 +01:00
parent f292465242 e5c5f2adeb e095c0d122
commit b90acac0f4
16 changed files with 431 additions and 247 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Documentation/devicetree/bindings/arm/calxeda.txt
View File

@ -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";

3
arch/arm/boot/dts/Makefile
View File

@ -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

104
arch/arm/boot/dts/ecx-2000.dts Normal file
View File

@ -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 <http://www.gnu.org/licenses/>.
*/
/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"

237
arch/arm/boot/dts/ecx-common.dtsi Normal file
View File

@ -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 <http://www.gnu.org/licenses/>.
*/
/ {
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>;
};
};
};

212
arch/arm/boot/dts/highbank.dts
View File

@ -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"

7
arch/arm/include/asm/mach/map.h
View File

@ -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);
/*

14
arch/arm/kernel/debug.S
View File

@ -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

6
arch/arm/kernel/smp_twd.c
View File

@ -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) {

2
arch/arm/mach-highbank/Kconfig
View File

@ -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

27
arch/arm/mach-highbank/highbank.c
View File

@ -26,32 +26,22 @@
#include <linux/smp.h>
#include <linux/amba/bus.h>
#include <asm/arch_timer.h>
#include <asm/cacheflush.h>
#include <asm/smp_plat.h>
#include <asm/smp_scu.h>
#include <asm/smp_twd.h>
#include <asm/hardware/arm_timer.h>
#include <asm/hardware/timer-sp.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#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,
};

6
arch/arm/mach-highbank/hotplug.c
View File

@ -14,13 +14,11 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/smp.h>
#include <asm/smp_scu.h>
#include <asm/cacheflush.h>
#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();

7
arch/arm/mach-highbank/platsmp.c
View File

@ -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

3
arch/arm/mach-highbank/pm.c
View File

@ -19,7 +19,6 @@
#include <linux/suspend.h>
#include <asm/proc-fns.h>
#include <asm/smp_scu.h>
#include <asm/suspend.h>
#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;

19
arch/arm/mach-highbank/sysregs.h
View File

@ -17,6 +17,10 @@
#define _MACH_HIGHBANK__SYSREGS_H_
#include <linux/io.h>
#include <linux/smp.h>
#include <asm/smp_plat.h>
#include <asm/smp_scu.h>
#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

2
arch/arm/mach-highbank/system.c
View File

@ -14,7 +14,6 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/io.h>
#include <asm/smp_scu.h>
#include <asm/proc-fns.h>
#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();
}

16
arch/arm/mm/mmu.c
View File

@ -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);