Commit 54ef3fe6 authored by Jason Cooper's avatar Jason Cooper

Merge branch 'mvebu/soc-cpuidle' into mvebu/soc

Conflicts:
	arch/arm/mach-mvebu/pmsu.c
parents b03e119f e53b1fd4
...@@ -6,5 +6,15 @@ following property: ...@@ -6,5 +6,15 @@ following property:
Required root node property: Required root node property:
- compatible: must contain either "marvell,armada380" or - compatible: must contain "marvell,armada380"
"marvell,armada385" depending on the variant of the SoC being used.
In addition, boards using the Marvell Armada 385 SoC shall have the
following property before the previous one:
Required root node property:
compatible: must contain "marvell,armada385"
Example:
compatible = "marvell,a385-rd", "marvell,armada385", "marvell,armada380";
...@@ -16,7 +16,7 @@ ...@@ -16,7 +16,7 @@
/ { / {
model = "Marvell Armada 380 family SoC"; model = "Marvell Armada 380 family SoC";
compatible = "marvell,armada380", "marvell,armada38x"; compatible = "marvell,armada380";
cpus { cpus {
#address-cells = <1>; #address-cells = <1>;
......
...@@ -16,7 +16,7 @@ ...@@ -16,7 +16,7 @@
/ { / {
model = "Marvell Armada 385 Development Board"; model = "Marvell Armada 385 Development Board";
compatible = "marvell,a385-db", "marvell,armada385", "marvell,armada38x"; compatible = "marvell,a385-db", "marvell,armada385", "marvell,armada380";
chosen { chosen {
bootargs = "console=ttyS0,115200 earlyprintk"; bootargs = "console=ttyS0,115200 earlyprintk";
......
...@@ -17,7 +17,7 @@ ...@@ -17,7 +17,7 @@
/ { / {
model = "Marvell Armada 385 Reference Design"; model = "Marvell Armada 385 Reference Design";
compatible = "marvell,a385-rd", "marvell,armada385", "marvell,armada38x"; compatible = "marvell,a385-rd", "marvell,armada385", "marvell,armada380";
chosen { chosen {
bootargs = "console=ttyS0,115200 earlyprintk"; bootargs = "console=ttyS0,115200 earlyprintk";
......
...@@ -16,7 +16,7 @@ ...@@ -16,7 +16,7 @@
/ { / {
model = "Marvell Armada 385 family SoC"; model = "Marvell Armada 385 family SoC";
compatible = "marvell,armada385", "marvell,armada38x"; compatible = "marvell,armada385", "marvell,armada380";
cpus { cpus {
#address-cells = <1>; #address-cells = <1>;
......
...@@ -20,7 +20,7 @@ ...@@ -20,7 +20,7 @@
/ { / {
model = "Marvell Armada 38x family SoC"; model = "Marvell Armada 38x family SoC";
compatible = "marvell,armada38x"; compatible = "marvell,armada380";
aliases { aliases {
gpio0 = &gpio0; gpio0 = &gpio0;
......
...@@ -105,7 +105,6 @@ ethphy0: ethernet-phy@0 { ...@@ -105,7 +105,6 @@ ethphy0: ethernet-phy@0 {
compatible = "ethernet-phy-id0141.0cb0", compatible = "ethernet-phy-id0141.0cb0",
"ethernet-phy-ieee802.3-c22"; "ethernet-phy-ieee802.3-c22";
reg = <0>; reg = <0>;
phy-connection-type = "rgmii-id";
}; };
ethphy1: ethernet-phy@1 { ethphy1: ethernet-phy@1 {
...@@ -113,7 +112,6 @@ ethphy1: ethernet-phy@1 { ...@@ -113,7 +112,6 @@ ethphy1: ethernet-phy@1 {
compatible = "ethernet-phy-id0141.0cb0", compatible = "ethernet-phy-id0141.0cb0",
"ethernet-phy-ieee802.3-c22"; "ethernet-phy-ieee802.3-c22";
reg = <1>; reg = <1>;
phy-connection-type = "rgmii-id";
}; };
}; };
...@@ -121,6 +119,7 @@ &eth0 { ...@@ -121,6 +119,7 @@ &eth0 {
status = "okay"; status = "okay";
ethernet0-port@0 { ethernet0-port@0 {
phy-handle = <&ethphy0>; phy-handle = <&ethphy0>;
phy-connection-type = "rgmii-id";
}; };
}; };
...@@ -128,5 +127,6 @@ &eth1 { ...@@ -128,5 +127,6 @@ &eth1 {
status = "okay"; status = "okay";
ethernet1-port@0 { ethernet1-port@0 {
phy-handle = <&ethphy1>; phy-handle = <&ethphy1>;
phy-connection-type = "rgmii-id";
}; };
}; };
...@@ -10,6 +10,7 @@ config ARCH_MVEBU ...@@ -10,6 +10,7 @@ config ARCH_MVEBU
select ZONE_DMA if ARM_LPAE select ZONE_DMA if ARM_LPAE
select ARCH_REQUIRE_GPIOLIB select ARCH_REQUIRE_GPIOLIB
select PCI_QUIRKS if PCI select PCI_QUIRKS if PCI
select OF_ADDRESS_PCI
if ARCH_MVEBU if ARCH_MVEBU
...@@ -19,6 +20,7 @@ config MACH_MVEBU_V7 ...@@ -19,6 +20,7 @@ config MACH_MVEBU_V7
bool bool
select ARMADA_370_XP_TIMER select ARMADA_370_XP_TIMER
select CACHE_L2X0 select CACHE_L2X0
select ARM_CPU_SUSPEND
config MACH_ARMADA_370 config MACH_ARMADA_370
bool "Marvell Armada 370 boards" if ARCH_MULTI_V7 bool "Marvell Armada 370 boards" if ARCH_MULTI_V7
......
...@@ -7,7 +7,7 @@ CFLAGS_pmsu.o := -march=armv7-a ...@@ -7,7 +7,7 @@ CFLAGS_pmsu.o := -march=armv7-a
obj-y += system-controller.o mvebu-soc-id.o obj-y += system-controller.o mvebu-soc-id.o
ifeq ($(CONFIG_MACH_MVEBU_V7),y) ifeq ($(CONFIG_MACH_MVEBU_V7),y)
obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o pmsu_ll.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o platsmp-a9.o headsmp-a9.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o platsmp-a9.o headsmp-a9.o
endif endif
......
...@@ -25,6 +25,5 @@ extern struct smp_operations armada_xp_smp_ops; ...@@ -25,6 +25,5 @@ extern struct smp_operations armada_xp_smp_ops;
#endif #endif
int armada_370_xp_pmsu_idle_enter(unsigned long deepidle); int armada_370_xp_pmsu_idle_enter(unsigned long deepidle);
void armada_370_xp_pmsu_idle_exit(void);
#endif /* __MACH_ARMADA_370_XP_H */ #endif /* __MACH_ARMADA_370_XP_H */
...@@ -23,6 +23,7 @@ ...@@ -23,6 +23,7 @@
#include <linux/mbus.h> #include <linux/mbus.h>
#include <linux/signal.h> #include <linux/signal.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/irqchip.h>
#include <asm/hardware/cache-l2x0.h> #include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <asm/mach/map.h> #include <asm/mach/map.h>
...@@ -33,14 +34,14 @@ ...@@ -33,14 +34,14 @@
#include "coherency.h" #include "coherency.h"
#include "mvebu-soc-id.h" #include "mvebu-soc-id.h"
static void __iomem *scu_base;
/* /*
* Enables the SCU when available. Obviously, this is only useful on * Enables the SCU when available. Obviously, this is only useful on
* Cortex-A based SOCs, not on PJ4B based ones. * Cortex-A based SOCs, not on PJ4B based ones.
*/ */
static void __init mvebu_scu_enable(void) static void __init mvebu_scu_enable(void)
{ {
void __iomem *scu_base;
struct device_node *np = struct device_node *np =
of_find_compatible_node(NULL, NULL, "arm,cortex-a9-scu"); of_find_compatible_node(NULL, NULL, "arm,cortex-a9-scu");
if (np) { if (np) {
...@@ -50,6 +51,11 @@ static void __init mvebu_scu_enable(void) ...@@ -50,6 +51,11 @@ static void __init mvebu_scu_enable(void)
} }
} }
void __iomem *mvebu_get_scu_base(void)
{
return scu_base;
}
/* /*
* Early versions of Armada 375 SoC have a bug where the BootROM * Early versions of Armada 375 SoC have a bug where the BootROM
* leaves an external data abort pending. The kernel is hit by this * leaves an external data abort pending. The kernel is hit by this
...@@ -71,17 +77,23 @@ static int armada_375_external_abort_wa(unsigned long addr, unsigned int fsr, ...@@ -71,17 +77,23 @@ static int armada_375_external_abort_wa(unsigned long addr, unsigned int fsr,
return 1; return 1;
} }
static void __init mvebu_timer_and_clk_init(void) static void __init mvebu_init_irq(void)
{ {
of_clk_init(NULL); irqchip_init();
clocksource_of_init();
mvebu_scu_enable(); mvebu_scu_enable();
coherency_init(); coherency_init();
BUG_ON(mvebu_mbus_dt_init(coherency_available())); BUG_ON(mvebu_mbus_dt_init(coherency_available()));
}
if (of_machine_is_compatible("marvell,armada375")) static void __init external_abort_quirk(void)
hook_fault_code(16 + 6, armada_375_external_abort_wa, SIGBUS, 0, {
"imprecise external abort"); u32 dev, rev;
if (mvebu_get_soc_id(&dev, &rev) == 0 && rev > ARMADA_375_Z1_REV)
return;
hook_fault_code(16 + 6, armada_375_external_abort_wa, SIGBUS, 0,
"imprecise external abort");
} }
static void __init i2c_quirk(void) static void __init i2c_quirk(void)
...@@ -178,8 +190,10 @@ static void __init mvebu_dt_init(void) ...@@ -178,8 +190,10 @@ static void __init mvebu_dt_init(void)
{ {
if (of_machine_is_compatible("plathome,openblocks-ax3-4")) if (of_machine_is_compatible("plathome,openblocks-ax3-4"))
i2c_quirk(); i2c_quirk();
if (of_machine_is_compatible("marvell,a375-db")) if (of_machine_is_compatible("marvell,a375-db")) {
external_abort_quirk();
thermal_quirk(); thermal_quirk();
}
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
} }
...@@ -194,7 +208,7 @@ DT_MACHINE_START(ARMADA_370_XP_DT, "Marvell Armada 370/XP (Device Tree)") ...@@ -194,7 +208,7 @@ DT_MACHINE_START(ARMADA_370_XP_DT, "Marvell Armada 370/XP (Device Tree)")
.l2c_aux_mask = ~0, .l2c_aux_mask = ~0,
.smp = smp_ops(armada_xp_smp_ops), .smp = smp_ops(armada_xp_smp_ops),
.init_machine = mvebu_dt_init, .init_machine = mvebu_dt_init,
.init_time = mvebu_timer_and_clk_init, .init_irq = mvebu_init_irq,
.restart = mvebu_restart, .restart = mvebu_restart,
.dt_compat = armada_370_xp_dt_compat, .dt_compat = armada_370_xp_dt_compat,
MACHINE_END MACHINE_END
...@@ -207,7 +221,7 @@ static const char * const armada_375_dt_compat[] = { ...@@ -207,7 +221,7 @@ static const char * const armada_375_dt_compat[] = {
DT_MACHINE_START(ARMADA_375_DT, "Marvell Armada 375 (Device Tree)") DT_MACHINE_START(ARMADA_375_DT, "Marvell Armada 375 (Device Tree)")
.l2c_aux_val = 0, .l2c_aux_val = 0,
.l2c_aux_mask = ~0, .l2c_aux_mask = ~0,
.init_time = mvebu_timer_and_clk_init, .init_irq = mvebu_init_irq,
.init_machine = mvebu_dt_init, .init_machine = mvebu_dt_init,
.restart = mvebu_restart, .restart = mvebu_restart,
.dt_compat = armada_375_dt_compat, .dt_compat = armada_375_dt_compat,
...@@ -222,7 +236,7 @@ static const char * const armada_38x_dt_compat[] = { ...@@ -222,7 +236,7 @@ static const char * const armada_38x_dt_compat[] = {
DT_MACHINE_START(ARMADA_38X_DT, "Marvell Armada 380/385 (Device Tree)") DT_MACHINE_START(ARMADA_38X_DT, "Marvell Armada 380/385 (Device Tree)")
.l2c_aux_val = 0, .l2c_aux_val = 0,
.l2c_aux_mask = ~0, .l2c_aux_mask = ~0,
.init_time = mvebu_timer_and_clk_init, .init_irq = mvebu_init_irq,
.restart = mvebu_restart, .restart = mvebu_restart,
.dt_compat = armada_38x_dt_compat, .dt_compat = armada_38x_dt_compat,
MACHINE_END MACHINE_END
...@@ -292,6 +292,10 @@ static struct notifier_block mvebu_hwcc_nb = { ...@@ -292,6 +292,10 @@ static struct notifier_block mvebu_hwcc_nb = {
.notifier_call = mvebu_hwcc_notifier, .notifier_call = mvebu_hwcc_notifier,
}; };
static struct notifier_block mvebu_hwcc_pci_nb = {
.notifier_call = mvebu_hwcc_notifier,
};
static void __init armada_370_coherency_init(struct device_node *np) static void __init armada_370_coherency_init(struct device_node *np)
{ {
struct resource res; struct resource res;
...@@ -427,7 +431,7 @@ static int __init coherency_pci_init(void) ...@@ -427,7 +431,7 @@ static int __init coherency_pci_init(void)
{ {
if (coherency_available()) if (coherency_available())
bus_register_notifier(&pci_bus_type, bus_register_notifier(&pci_bus_type,
&mvebu_hwcc_nb); &mvebu_hwcc_pci_nb);
return 0; return 0;
} }
......
...@@ -23,4 +23,6 @@ void mvebu_pmsu_set_cpu_boot_addr(int hw_cpu, void *boot_addr); ...@@ -23,4 +23,6 @@ void mvebu_pmsu_set_cpu_boot_addr(int hw_cpu, void *boot_addr);
void mvebu_system_controller_set_cpu_boot_addr(void *boot_addr); void mvebu_system_controller_set_cpu_boot_addr(void *boot_addr);
int mvebu_system_controller_get_soc_id(u32 *dev, u32 *rev); int mvebu_system_controller_get_soc_id(u32 *dev, u32 *rev);
void __iomem *mvebu_get_scu_base(void);
#endif #endif
...@@ -15,20 +15,12 @@ ...@@ -15,20 +15,12 @@
#include <linux/linkage.h> #include <linux/linkage.h>
#include <linux/init.h> #include <linux/init.h>
__CPUINIT #include <asm/assembler.h>
#define CPU_RESUME_ADDR_REG 0xf10182d4
.global armada_375_smp_cpu1_enable_code_start
.global armada_375_smp_cpu1_enable_code_end
armada_375_smp_cpu1_enable_code_start: __CPUINIT
ldr r0, [pc, #4]
ldr r1, [r0]
mov pc, r1
.word CPU_RESUME_ADDR_REG
armada_375_smp_cpu1_enable_code_end:
ENTRY(mvebu_cortex_a9_secondary_startup) ENTRY(mvebu_cortex_a9_secondary_startup)
ARM_BE8(setend be)
bl v7_invalidate_l1 bl v7_invalidate_l1
b secondary_startup b secondary_startup
ENDPROC(mvebu_cortex_a9_secondary_startup) ENDPROC(mvebu_cortex_a9_secondary_startup)
...@@ -20,33 +20,8 @@ ...@@ -20,33 +20,8 @@
#include <asm/smp_scu.h> #include <asm/smp_scu.h>
#include <asm/smp_plat.h> #include <asm/smp_plat.h>
#include "common.h" #include "common.h"
#include "mvebu-soc-id.h"
#include "pmsu.h" #include "pmsu.h"
#define CRYPT0_ENG_ID 41
#define CRYPT0_ENG_ATTR 0x1
#define SRAM_PHYS_BASE 0xFFFF0000
#define BOOTROM_BASE 0xFFF00000
#define BOOTROM_SIZE 0x100000
extern unsigned char armada_375_smp_cpu1_enable_code_end;
extern unsigned char armada_375_smp_cpu1_enable_code_start;
static void armada_375_smp_cpu1_enable_wa(void)
{
void __iomem *sram_virt_base;
mvebu_mbus_del_window(BOOTROM_BASE, BOOTROM_SIZE);
mvebu_mbus_add_window_by_id(CRYPT0_ENG_ID, CRYPT0_ENG_ATTR,
SRAM_PHYS_BASE, SZ_64K);
sram_virt_base = ioremap(SRAM_PHYS_BASE, SZ_64K);
memcpy(sram_virt_base, &armada_375_smp_cpu1_enable_code_start,
&armada_375_smp_cpu1_enable_code_end
- &armada_375_smp_cpu1_enable_code_start);
}
extern void mvebu_cortex_a9_secondary_startup(void); extern void mvebu_cortex_a9_secondary_startup(void);
static int __cpuinit mvebu_cortex_a9_boot_secondary(unsigned int cpu, static int __cpuinit mvebu_cortex_a9_boot_secondary(unsigned int cpu,
...@@ -63,21 +38,10 @@ static int __cpuinit mvebu_cortex_a9_boot_secondary(unsigned int cpu, ...@@ -63,21 +38,10 @@ static int __cpuinit mvebu_cortex_a9_boot_secondary(unsigned int cpu,
* address. * address.
*/ */
hw_cpu = cpu_logical_map(cpu); hw_cpu = cpu_logical_map(cpu);
if (of_machine_is_compatible("marvell,armada375"))
if (of_machine_is_compatible("marvell,armada375")) {
u32 dev, rev;
if (mvebu_get_soc_id(&dev, &rev) == 0 &&
rev == ARMADA_375_Z1_REV)
armada_375_smp_cpu1_enable_wa();
mvebu_system_controller_set_cpu_boot_addr(mvebu_cortex_a9_secondary_startup); mvebu_system_controller_set_cpu_boot_addr(mvebu_cortex_a9_secondary_startup);
} else
else { mvebu_pmsu_set_cpu_boot_addr(hw_cpu, mvebu_cortex_a9_secondary_startup);
mvebu_pmsu_set_cpu_boot_addr(hw_cpu,
mvebu_cortex_a9_secondary_startup);
}
smp_wmb(); smp_wmb();
ret = mvebu_cpu_reset_deassert(hw_cpu); ret = mvebu_cpu_reset_deassert(hw_cpu);
if (ret) { if (ret) {
......
...@@ -109,7 +109,7 @@ static int armada_xp_boot_secondary(unsigned int cpu, struct task_struct *idle) ...@@ -109,7 +109,7 @@ static int armada_xp_boot_secondary(unsigned int cpu, struct task_struct *idle)
*/ */
static void armada_xp_secondary_init(unsigned int cpu) static void armada_xp_secondary_init(unsigned int cpu)
{ {
armada_370_xp_pmsu_idle_exit(); mvebu_v7_pmsu_idle_exit();
} }
static void __init armada_xp_smp_init_cpus(void) static void __init armada_xp_smp_init_cpus(void)
......
This diff is collapsed.
...@@ -12,5 +12,10 @@ ...@@ -12,5 +12,10 @@
#define __MACH_MVEBU_PMSU_H #define __MACH_MVEBU_PMSU_H
int armada_xp_boot_cpu(unsigned int cpu_id, void *phys_addr); int armada_xp_boot_cpu(unsigned int cpu_id, void *phys_addr);
int mvebu_setup_boot_addr_wa(unsigned int crypto_eng_target,
unsigned int crypto_eng_attribute,
phys_addr_t resume_addr_reg);
void mvebu_v7_pmsu_idle_exit(void);
#endif /* __MACH_370_XP_PMSU_H */ #endif /* __MACH_370_XP_PMSU_H */
/*
* Copyright (C) 2014 Marvell
*
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* Gregory Clement <gregory.clement@free-electrons.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 <linux/linkage.h>
#include <asm/assembler.h>
/*
* This is the entry point through which CPUs exiting cpuidle deep
* idle state are going.
*/
ENTRY(armada_370_xp_cpu_resume)
ARM_BE8(setend be ) @ go BE8 if entered LE
bl ll_add_cpu_to_smp_group
bl ll_enable_coherency
b cpu_resume
ENDPROC(armada_370_xp_cpu_resume)
ENTRY(armada_38x_cpu_resume)
/* do we need it for Armada 38x*/
ARM_BE8(setend be ) @ go BE8 if entered LE
bl v7_invalidate_l1
mrc p15, 4, r1, c15, c0 @ get SCU base address
orr r1, r1, #0x8 @ SCU CPU Power Status Register
mrc 15, 0, r0, cr0, cr0, 5 @ get the CPU ID
and r0, r0, #15
add r1, r1, r0
mov r0, #0x0
strb r0, [r1] @ switch SCU power state to Normal mode
b cpu_resume
ENDPROC(armada_38x_cpu_resume)
.global mvebu_boot_wa_start
.global mvebu_boot_wa_end
/* The following code will be executed from SRAM */
ENTRY(mvebu_boot_wa_start)
mvebu_boot_wa_start:
ARM_BE8(setend be)
adr r0, 1f
ldr r0, [r0] @ load the address of the
@ resume register
ldr r0, [r0] @ load the value in the
@ resume register
ARM_BE8(rev r0, r0) @ the value is stored LE
mov pc, r0 @ jump to this value
/*
* the last word of this piece of code will be filled by the physical
* address of the boot address register just after being copied in SRAM
*/
1:
.long .
mvebu_boot_wa_end:
ENDPROC(mvebu_boot_wa_end)
...@@ -28,8 +28,14 @@ ...@@ -28,8 +28,14 @@
#include <linux/io.h> #include <linux/io.h>
#include <linux/reboot.h> #include <linux/reboot.h>
#include "common.h" #include "common.h"
#include "mvebu-soc-id.h"
#include "pmsu.h"
#define ARMADA_375_CRYPT0_ENG_TARGET 41
#define ARMADA_375_CRYPT0_ENG_ATTR 1
static void __iomem *system_controller_base; static void __iomem *system_controller_base;
static phys_addr_t system_controller_phys_base;
struct mvebu_system_controller { struct mvebu_system_controller {
u32 rstoutn_mask_offset; u32 rstoutn_mask_offset;
...@@ -121,10 +127,32 @@ int mvebu_system_controller_get_soc_id(u32 *dev, u32 *rev) ...@@ -121,10 +127,32 @@ int mvebu_system_controller_get_soc_id(u32 *dev, u32 *rev)
} }
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
void mvebu_armada375_smp_wa_init(void)
{
u32 dev, rev;
phys_addr_t resume_addr_reg;
if (mvebu_get_soc_id(&dev, &rev) != 0)
return;
if (rev != ARMADA_375_Z1_REV)
return;
resume_addr_reg = system_controller_phys_base +
mvebu_sc->resume_boot_addr;
mvebu_setup_boot_addr_wa(ARMADA_375_CRYPT0_ENG_TARGET,
ARMADA_375_CRYPT0_ENG_ATTR,
resume_addr_reg);
}
void mvebu_system_controller_set_cpu_boot_addr(void *boot_addr) void mvebu_system_controller_set_cpu_boot_addr(void *boot_addr)
{ {
BUG_ON(system_controller_base == NULL); BUG_ON(system_controller_base == NULL);
BUG_ON(mvebu_sc->resume_boot_addr == 0); BUG_ON(mvebu_sc->resume_boot_addr == 0);
if (of_machine_is_compatible("marvell,armada375"))
mvebu_armada375_smp_wa_init();
writel(virt_to_phys(boot_addr), system_controller_base + writel(virt_to_phys(boot_addr), system_controller_base +
mvebu_sc->resume_boot_addr); mvebu_sc->resume_boot_addr);
} }
...@@ -138,7 +166,10 @@ static int __init mvebu_system_controller_init(void) ...@@ -138,7 +166,10 @@ static int __init mvebu_system_controller_init(void)
np = of_find_matching_node_and_match(NULL, of_system_controller_table, np = of_find_matching_node_and_match(NULL, of_system_controller_table,
&match); &match);
if (np) { if (np) {
struct resource res;
system_controller_base = of_iomap(np, 0); system_controller_base = of_iomap(np, 0);
of_address_to_resource(np, 0, &res);
system_controller_phys_base = res.start;
mvebu_sc = (struct mvebu_system_controller *)match->data; mvebu_sc = (struct mvebu_system_controller *)match->data;
of_node_put(np); of_node_put(np);
} }
......
# #
# ARM CPU Idle drivers # ARM CPU Idle drivers
# #
config ARM_ARMADA_370_XP_CPUIDLE
bool "CPU Idle Driver for Armada 370/XP family processors"
depends on ARCH_MVEBU
help
Select this to enable cpuidle on Armada 370/XP processors.
config ARM_BIG_LITTLE_CPUIDLE config ARM_BIG_LITTLE_CPUIDLE
bool "Support for ARM big.LITTLE processors" bool "Support for ARM big.LITTLE processors"
depends on ARCH_VEXPRESS_TC2_PM depends on ARCH_VEXPRESS_TC2_PM
...@@ -61,3 +55,9 @@ config ARM_EXYNOS_CPUIDLE ...@@ -61,3 +55,9 @@ config ARM_EXYNOS_CPUIDLE
depends on ARCH_EXYNOS depends on ARCH_EXYNOS
help help
Select this to enable cpuidle for Exynos processors Select this to enable cpuidle for Exynos processors
config ARM_MVEBU_V7_CPUIDLE
bool "CPU Idle Driver for mvebu v7 family processors"
depends on ARCH_MVEBU
help
Select this to enable cpuidle on Armada 370, 38x and XP processors.
...@@ -7,7 +7,7 @@ obj-$(CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED) += coupled.o ...@@ -7,7 +7,7 @@ obj-$(CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED) += coupled.o
################################################################################## ##################################################################################
# ARM SoC drivers # ARM SoC drivers
obj-$(CONFIG_ARM_ARMADA_370_XP_CPUIDLE) += cpuidle-armada-370-xp.o obj-$(CONFIG_ARM_MVEBU_V7_CPUIDLE) += cpuidle-mvebu-v7.o
obj-$(CONFIG_ARM_BIG_LITTLE_CPUIDLE) += cpuidle-big_little.o obj-$(CONFIG_ARM_BIG_LITTLE_CPUIDLE) += cpuidle-big_little.o
obj-$(CONFIG_ARM_CLPS711X_CPUIDLE) += cpuidle-clps711x.o obj-$(CONFIG_ARM_CLPS711X_CPUIDLE) += cpuidle-clps711x.o
obj-$(CONFIG_ARM_HIGHBANK_CPUIDLE) += cpuidle-calxeda.o obj-$(CONFIG_ARM_HIGHBANK_CPUIDLE) += cpuidle-calxeda.o
......
/* /*
* Marvell Armada 370 and Armada XP SoC cpuidle driver * Marvell Armada 370, 38x and XP SoC cpuidle driver
* *
* Copyright (C) 2014 Marvell * Copyright (C) 2014 Marvell
* *
...@@ -21,12 +21,11 @@ ...@@ -21,12 +21,11 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <asm/cpuidle.h> #include <asm/cpuidle.h>
#define ARMADA_370_XP_MAX_STATES 3 #define MVEBU_V7_FLAG_DEEP_IDLE 0x10000
#define ARMADA_370_XP_FLAG_DEEP_IDLE 0x10000
static int (*armada_370_xp_cpu_suspend)(int); static int (*mvebu_v7_cpu_suspend)(int);
static int armada_370_xp_enter_idle(struct cpuidle_device *dev, static int mvebu_v7_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, struct cpuidle_driver *drv,
int index) int index)
{ {
...@@ -34,10 +33,10 @@ static int armada_370_xp_enter_idle(struct cpuidle_device *dev, ...@@ -34,10 +33,10 @@ static int armada_370_xp_enter_idle(struct cpuidle_device *dev,
bool deepidle = false; bool deepidle = false;
cpu_pm_enter(); cpu_pm_enter();
if (drv->states[index].flags & ARMADA_370_XP_FLAG_DEEP_IDLE) if (drv->states[index].flags & MVEBU_V7_FLAG_DEEP_IDLE)
deepidle = true; deepidle = true;
ret = armada_370_xp_cpu_suspend(deepidle); ret = mvebu_v7_cpu_suspend(deepidle);
if (ret) if (ret)
return ret; return ret;
...@@ -46,11 +45,11 @@ static int armada_370_xp_enter_idle(struct cpuidle_device *dev, ...@@ -46,11 +45,11 @@ static int armada_370_xp_enter_idle(struct cpuidle_device *dev,
return index; return index;
} }
static struct cpuidle_driver armada_370_xp_idle_driver = { static struct cpuidle_driver armadaxp_idle_driver = {
.name = "armada_370_xp_idle", .name = "armada_xp_idle",
.states[0] = ARM_CPUIDLE_WFI_STATE, .states[0] = ARM_CPUIDLE_WFI_STATE,
.states[1] = { .states[1] = {
.enter = armada_370_xp_enter_idle, .enter = mvebu_v7_enter_idle,
.exit_latency = 10, .exit_latency = 10,
.power_usage = 50, .power_usage = 50,
.target_residency = 100, .target_residency = 100,
...@@ -59,35 +58,93 @@ static struct cpuidle_driver armada_370_xp_idle_driver = { ...@@ -59,35 +58,93 @@ static struct cpuidle_driver armada_370_xp_idle_driver = {
.desc = "CPU power down", .desc = "CPU power down",
}, },
.states[2] = { .states[2] = {
.enter = armada_370_xp_enter_idle, .enter = mvebu_v7_enter_idle,
.exit_latency = 100, .exit_latency = 100,
.power_usage = 5, .power_usage = 5,
.target_residency = 1000, .target_residency = 1000,
.flags = CPUIDLE_FLAG_TIME_VALID | .flags = CPUIDLE_FLAG_TIME_VALID |
ARMADA_370_XP_FLAG_DEEP_IDLE, MVEBU_V7_FLAG_DEEP_IDLE,
.name = "MV CPU DEEP IDLE", .name = "MV CPU DEEP IDLE",
.desc = "CPU and L2 Fabric power down", .desc = "CPU and L2 Fabric power down",
}, },
.state_count = ARMADA_370_XP_MAX_STATES, .state_count = 3,
}; };
static int armada_370_xp_cpuidle_probe(struct platform_device *pdev) static struct cpuidle_driver armada370_idle_driver = {
.name = "armada_370_idle",
.states[0] = ARM_CPUIDLE_WFI_STATE,
.states[1] = {
.enter = mvebu_v7_enter_idle,
.exit_latency = 100,
.power_usage = 5,
.target_residency = 1000,
.flags = (CPUIDLE_FLAG_TIME_VALID |
MVEBU_V7_FLAG_DEEP_IDLE),
.name = "Deep Idle",
.desc = "CPU and L2 Fabric power down",
},
.state_count = 2,
};
static struct cpuidle_driver armada38x_idle_driver = {
.name = "armada_38x_idle",
.states[0] = ARM_CPUIDLE_WFI_STATE,
.states[1] = {
.enter = mvebu_v7_enter_idle,
.exit_latency = 10,
.power_usage = 5,
.target_residency = 100,
.flags = CPUIDLE_FLAG_TIME_VALID,
.name = "Idle",
.desc = "CPU and SCU power down",
},
.state_count = 2,
};
static int mvebu_v7_cpuidle_probe(struct platform_device *pdev)
{ {
mvebu_v7_cpu_suspend = pdev->dev.platform_data;
armada_370_xp_cpu_suspend = (void *)(pdev->dev.platform_data); if (!strcmp(pdev->dev.driver->name, "cpuidle-armada-xp"))
return cpuidle_register(&armada_370_xp_idle_driver, NULL); return cpuidle_register(&armadaxp_idle_driver, NULL);
else if (!strcmp(pdev->dev.driver->name, "cpuidle-armada-370"))
return cpuidle_register(&armada370_idle_driver, NULL);
else if (!strcmp(pdev->dev.driver->name, "cpuidle-armada-38x"))
return cpuidle_register(&armada38x_idle_driver, NULL);
else
return -EINVAL;
} }
static struct platform_driver armada_370_xp_cpuidle_plat_driver = { static struct platform_driver armadaxp_cpuidle_plat_driver = {
.driver = {
.name = "cpuidle-armada-xp",
.owner = THIS_MODULE,
},
.probe = mvebu_v7_cpuidle_probe,
};
module_platform_driver(armadaxp_cpuidle_plat_driver);
static struct platform_driver armada370_cpuidle_plat_driver = {
.driver = {
.name = "cpuidle-armada-370",
.owner = THIS_MODULE,
},
.probe = mvebu_v7_cpuidle_probe,
};
module_platform_driver(armada370_cpuidle_plat_driver);
static struct platform_driver armada38x_cpuidle_plat_driver = {
.driver = { .driver = {
.name = "cpuidle-armada-370-xp", .name = "cpuidle-armada-38x",
.owner = THIS_MODULE, .owner = THIS_MODULE,
}, },
.probe = armada_370_xp_cpuidle_probe, .probe = mvebu_v7_cpuidle_probe,
}; };
module_platform_driver(armada_370_xp_cpuidle_plat_driver); module_platform_driver(armada38x_cpuidle_plat_driver);
MODULE_AUTHOR("Gregory CLEMENT <gregory.clement@free-electrons.com>"); MODULE_AUTHOR("Gregory CLEMENT <gregory.clement@free-electrons.com>");
MODULE_DESCRIPTION("Armada 370/XP cpu idle driver"); MODULE_DESCRIPTION("Marvell EBU v7 cpuidle driver");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
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