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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/pseries: Fix build without CONFIG_HOTPLUG_CPU
  powerpc: Set nr_cpu_ids early and use it to free PACAs
  powerpc/pseries: Don't register global initcall
  powerpc/kexec: Fix mismatched ifdefs for PPC64/SMP.
  edac/mpc85xx: Limit setting/clearing of HID1[RFXE] to e500v1/v2 cores
  powerpc/85xx: Update dts for PCIe memory maps to match u-boot of Px020RDB
This commit is contained in:
Linus Torvalds 2011-04-05 12:29:43 -07:00
parent 884b8267d5 c60e65d786
commit 47e89798e7
10 changed files with 57 additions and 38 deletions
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12
arch/powerpc/boot/dts/p1020rdb.dts
View File

@ -1,7 +1,7 @@
/*
* P1020 RDB Device Tree Source
*
* Copyright 2009 Freescale Semiconductor Inc.
* Copyright 2009-2011 Freescale Semiconductor Inc.
*
* 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
@ -553,7 +553,7 @@
reg = <0 0xffe09000 0 0x1000>;
bus-range = <0 255>;
ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc30000 0x0 0x10000>;
0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>;
clock-frequency = <33333333>;
interrupt-parent = <&mpic>;
interrupts = <16 2>;
@ -580,8 +580,8 @@
#address-cells = <3>;
reg = <0 0xffe0a000 0 0x1000>;
bus-range = <0 255>;
ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>;
ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>;
clock-frequency = <33333333>;
interrupt-parent = <&mpic>;
interrupts = <16 2>;
@ -590,8 +590,8 @@
#size-cells = <2>;
#address-cells = <3>;
device_type = "pci";
ranges = <0x2000000 0x0 0xc0000000
0x2000000 0x0 0xc0000000
ranges = <0x2000000 0x0 0x80000000
0x2000000 0x0 0x80000000
0x0 0x20000000
0x1000000 0x0 0x0

12
arch/powerpc/boot/dts/p2020rdb.dts
View File

@ -1,7 +1,7 @@
/*
* P2020 RDB Device Tree Source
*
* Copyright 2009 Freescale Semiconductor Inc.
* Copyright 2009-2011 Freescale Semiconductor Inc.
*
* 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
@ -537,7 +537,7 @@
reg = <0 0xffe09000 0 0x1000>;
bus-range = <0 255>;
ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc30000 0x0 0x10000>;
0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>;
clock-frequency = <33333333>;
interrupt-parent = <&mpic>;
interrupts = <25 2>;
@ -564,8 +564,8 @@
#address-cells = <3>;
reg = <0 0xffe0a000 0 0x1000>;
bus-range = <0 255>;
ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>;
ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>;
clock-frequency = <33333333>;
interrupt-parent = <&mpic>;
interrupts = <26 2>;
@ -574,8 +574,8 @@
#size-cells = <2>;
#address-cells = <3>;
device_type = "pci";
ranges = <0x2000000 0x0 0xc0000000
0x2000000 0x0 0xc0000000
ranges = <0x2000000 0x0 0x80000000
0x2000000 0x0 0x80000000
0x0 0x20000000
0x1000000 0x0 0x0

4
arch/powerpc/boot/dts/p2020rdb_camp_core0.dts
View File

@ -6,7 +6,7 @@
* This dts file allows core0 to have memory, l2, i2c, spi, gpio, dma1, usb,
* eth1, eth2, sdhc, crypto, global-util, pci0.
*
* Copyright 2009 Freescale Semiconductor Inc.
* Copyright 2009-2011 Freescale Semiconductor Inc.
*
* 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
@ -342,7 +342,7 @@
reg = <0 0xffe09000 0 0x1000>;
bus-range = <0 255>;
ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc30000 0x0 0x10000>;
0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>;
clock-frequency = <33333333>;
interrupt-parent = <&mpic>;
interrupts = <25 2>;

10
arch/powerpc/boot/dts/p2020rdb_camp_core1.dts
View File

@ -7,7 +7,7 @@
*
* Please note to add "-b 1" for core1's dts compiling.
*
* Copyright 2009 Freescale Semiconductor Inc.
* Copyright 2009-2011 Freescale Semiconductor Inc.
*
* 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
@ -162,8 +162,8 @@
#address-cells = <3>;
reg = <0 0xffe0a000 0 0x1000>;
bus-range = <0 255>;
ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>;
ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>;
clock-frequency = <33333333>;
interrupt-parent = <&mpic>;
interrupts = <26 2>;
@ -172,8 +172,8 @@
#size-cells = <2>;
#address-cells = <3>;
device_type = "pci";
ranges = <0x2000000 0x0 0xc0000000
0x2000000 0x0 0xc0000000
ranges = <0x2000000 0x0 0x80000000
0x2000000 0x0 0x80000000
0x0 0x20000000
0x1000000 0x0 0x0

6
arch/powerpc/kernel/crash.c
View File

@ -163,7 +163,7 @@ static void crash_kexec_prepare_cpus(int cpu)
}
/* wait for all the CPUs to hit real mode but timeout if they don't come in */
#ifdef CONFIG_PPC_STD_MMU_64
#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP)
static void crash_kexec_wait_realmode(int cpu)
{
unsigned int msecs;
@ -188,6 +188,8 @@ static void crash_kexec_wait_realmode(int cpu)
}
mb();
}
#else
static inline void crash_kexec_wait_realmode(int cpu) {}
#endif
/*
@ -344,9 +346,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
crash_save_cpu(regs, crashing_cpu);
crash_kexec_prepare_cpus(crashing_cpu);
cpu_set(crashing_cpu, cpus_in_crash);
#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP)
crash_kexec_wait_realmode(crashing_cpu);
#endif
machine_kexec_mask_interrupts();

2
arch/powerpc/kernel/paca.c
View File

@ -203,7 +203,7 @@ void __init free_unused_pacas(void)
{
int new_size;
new_size = PAGE_ALIGN(sizeof(struct paca_struct) * num_possible_cpus());
new_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpu_ids);
if (new_size >= paca_size)
return;

3
arch/powerpc/kernel/setup-common.c
View File

@ -509,6 +509,9 @@ void __init smp_setup_cpu_maps(void)
*/
cpu_init_thread_core_maps(nthreads);
/* Now that possible cpus are set, set nr_cpu_ids for later use */
nr_cpu_ids = find_last_bit(cpumask_bits(cpu_possible_mask),NR_CPUS) + 1;
free_unused_pacas();
}
#endif /* CONFIG_SMP */

2
arch/powerpc/platforms/pseries/setup.c
View File

@ -378,7 +378,7 @@ static int __init pSeries_init_panel(void)
return 0;
}
arch_initcall(pSeries_init_panel);
machine_arch_initcall(pseries, pSeries_init_panel);
static int pseries_set_dabr(unsigned long dabr)
{

17
arch/powerpc/platforms/pseries/smp.c
View File

@ -112,10 +112,10 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
/* Fixup atomic count: it exited inside IRQ handler. */
task_thread_info(paca[lcpu].__current)->preempt_count = 0;
#ifdef CONFIG_HOTPLUG_CPU
if (get_cpu_current_state(lcpu) == CPU_STATE_INACTIVE)
goto out;
#endif
/*
* If the RTAS start-cpu token does not exist then presume the
* cpu is already spinning.
@ -130,7 +130,9 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
return 0;
}
#ifdef CONFIG_HOTPLUG_CPU
out:
#endif
return 1;
}
@ -144,16 +146,15 @@ static void __devinit smp_xics_setup_cpu(int cpu)
vpa_init(cpu);
cpumask_clear_cpu(cpu, of_spin_mask);
#ifdef CONFIG_HOTPLUG_CPU
set_cpu_current_state(cpu, CPU_STATE_ONLINE);
set_default_offline_state(cpu);
#endif
}
#endif /* CONFIG_XICS */
static void __devinit smp_pSeries_kick_cpu(int nr)
{
long rc;
unsigned long hcpuid;
BUG_ON(nr < 0 || nr >= NR_CPUS);
if (!smp_startup_cpu(nr))
@ -165,16 +166,20 @@ static void __devinit smp_pSeries_kick_cpu(int nr)
* the processor will continue on to secondary_start
*/
paca[nr].cpu_start = 1;
#ifdef CONFIG_HOTPLUG_CPU
set_preferred_offline_state(nr, CPU_STATE_ONLINE);
if (get_cpu_current_state(nr) == CPU_STATE_INACTIVE) {
long rc;
unsigned long hcpuid;
hcpuid = get_hard_smp_processor_id(nr);
rc = plpar_hcall_norets(H_PROD, hcpuid);
if (rc != H_SUCCESS)
printk(KERN_ERR "Error: Prod to wake up processor %d "
"Ret= %ld\n", nr, rc);
}
#endif
}
static int smp_pSeries_cpu_bootable(unsigned int nr)

27
drivers/edac/mpc85xx_edac.c
View File

@ -1147,13 +1147,14 @@ static struct platform_driver mpc85xx_mc_err_driver = {
static void __init mpc85xx_mc_clear_rfxe(void *data)
{
orig_hid1[smp_processor_id()] = mfspr(SPRN_HID1);
mtspr(SPRN_HID1, (orig_hid1[smp_processor_id()] & ~0x20000));
mtspr(SPRN_HID1, (orig_hid1[smp_processor_id()] & ~HID1_RFXE));
}
#endif
static int __init mpc85xx_mc_init(void)
{
int res = 0;
u32 pvr = 0;
printk(KERN_INFO "Freescale(R) MPC85xx EDAC driver, "
"(C) 2006 Montavista Software\n");
@ -1183,12 +1184,17 @@ static int __init mpc85xx_mc_init(void)
#endif
#ifdef CONFIG_FSL_SOC_BOOKE
/*
* need to clear HID1[RFXE] to disable machine check int
* so we can catch it
*/
if (edac_op_state == EDAC_OPSTATE_INT)
on_each_cpu(mpc85xx_mc_clear_rfxe, NULL, 0);
pvr = mfspr(SPRN_PVR);
if ((PVR_VER(pvr) == PVR_VER_E500V1) ||
(PVR_VER(pvr) == PVR_VER_E500V2)) {
/*
* need to clear HID1[RFXE] to disable machine check int
* so we can catch it
*/
if (edac_op_state == EDAC_OPSTATE_INT)
on_each_cpu(mpc85xx_mc_clear_rfxe, NULL, 0);
}
#endif
return 0;
@ -1206,7 +1212,12 @@ static void __exit mpc85xx_mc_restore_hid1(void *data)
static void __exit mpc85xx_mc_exit(void)
{
#ifdef CONFIG_FSL_SOC_BOOKE
on_each_cpu(mpc85xx_mc_restore_hid1, NULL, 0);
u32 pvr = mfspr(SPRN_PVR);
if ((PVR_VER(pvr) == PVR_VER_E500V1) ||
(PVR_VER(pvr) == PVR_VER_E500V2)) {
on_each_cpu(mpc85xx_mc_restore_hid1, NULL, 0);
}
#endif
#ifdef CONFIG_PCI
platform_driver_unregister(&mpc85xx_pci_err_driver);