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authorMichael Ellerman <mpe@ellerman.id.au>2016-10-11 20:07:56 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2016-10-11 20:07:56 +1100
commit065397a969a0f80624598c5030c2551abbd986fd (patch)
tree60a4c453e6b494c8b3973497c577efa2f10102e4 /arch/powerpc
parent8321564a11bbeadffcc7d6335bcf3c07e5c397a3 (diff)
parente0b80f00bb96b925995d53980e0c764430bedb42 (diff)
downloadop-kernel-dev-065397a969a0f80624598c5030c2551abbd986fd.zip
op-kernel-dev-065397a969a0f80624598c5030c2551abbd986fd.tar.gz
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next
Freescale updates from Scott: "Highlights include qbman support (a prerequisite for datapath drivers such as ethernet), a PCI DMA fix+improvement, reset handler changes, more 8xx optimizations, and some cleanups and fixes."
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/Makefile4
-rw-r--r--arch/powerpc/configs/dpaa.config1
-rw-r--r--arch/powerpc/include/asm/cputable.h1
-rw-r--r--arch/powerpc/include/asm/hw_irq.h6
-rw-r--r--arch/powerpc/include/asm/ppc-opcode.h1
-rw-r--r--arch/powerpc/include/asm/reg.h2
-rw-r--r--arch/powerpc/include/asm/reg_8xx.h4
-rw-r--r--arch/powerpc/kernel/cputable.c1
-rw-r--r--arch/powerpc/kernel/head_8xx.S136
-rw-r--r--arch/powerpc/kernel/setup-common.c27
-rw-r--r--arch/powerpc/kernel/traps.c45
-rw-r--r--arch/powerpc/platforms/82xx/Kconfig4
-rw-r--r--arch/powerpc/platforms/82xx/ep8248e.c4
-rw-r--r--arch/powerpc/platforms/83xx/asp834x.c4
-rw-r--r--arch/powerpc/platforms/83xx/km83xx.c5
-rw-r--r--arch/powerpc/platforms/83xx/misc.c8
-rw-r--r--arch/powerpc/platforms/83xx/mpc830x_rdb.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc831x_rdb.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc832x_mds.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc832x_rdb.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc834x_itx.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc834x_mds.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc836x_mds.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc836x_rdk.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc837x_mds.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc837x_rdb.c5
-rw-r--r--arch/powerpc/platforms/83xx/mpc83xx.h1
-rw-r--r--arch/powerpc/platforms/83xx/sbc834x.c5
-rw-r--r--arch/powerpc/platforms/85xx/Kconfig2
-rw-r--r--arch/powerpc/platforms/85xx/bsc913x_qds.c1
-rw-r--r--arch/powerpc/platforms/85xx/bsc913x_rdb.c1
-rw-r--r--arch/powerpc/platforms/85xx/c293pcie.c1
-rw-r--r--arch/powerpc/platforms/85xx/corenet_generic.c1
-rw-r--r--arch/powerpc/platforms/85xx/ge_imp3a.c1
-rw-r--r--arch/powerpc/platforms/85xx/mpc8536_ds.c1
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ads.c1
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_cds.c25
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ds.c3
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_mds.c12
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_rdb.c10
-rw-r--r--arch/powerpc/platforms/85xx/mvme2500.c1
-rw-r--r--arch/powerpc/platforms/85xx/p1010rdb.c1
-rw-r--r--arch/powerpc/platforms/85xx/p1022_ds.c1
-rw-r--r--arch/powerpc/platforms/85xx/p1022_rdk.c1
-rw-r--r--arch/powerpc/platforms/85xx/p1023_rdb.c1
-rw-r--r--arch/powerpc/platforms/85xx/ppa8548.c1
-rw-r--r--arch/powerpc/platforms/85xx/qemu_e500.c1
-rw-r--r--arch/powerpc/platforms/85xx/sbc8548.c1
-rw-r--r--arch/powerpc/platforms/85xx/sgy_cts1000.c8
-rw-r--r--arch/powerpc/platforms/85xx/socrates.c1
-rw-r--r--arch/powerpc/platforms/85xx/stx_gp3.c1
-rw-r--r--arch/powerpc/platforms/85xx/tqm85xx.c1
-rw-r--r--arch/powerpc/platforms/85xx/twr_p102x.c1
-rw-r--r--arch/powerpc/platforms/85xx/xes_mpc85xx.c3
-rw-r--r--arch/powerpc/platforms/86xx/gef_ppc9a.c1
-rw-r--r--arch/powerpc/platforms/86xx/gef_sbc310.c1
-rw-r--r--arch/powerpc/platforms/86xx/gef_sbc610.c1
-rw-r--r--arch/powerpc/platforms/86xx/mpc8610_hpcd.c1
-rw-r--r--arch/powerpc/platforms/86xx/mpc86xx_hpcn.c1
-rw-r--r--arch/powerpc/platforms/86xx/mvme7100.c1
-rw-r--r--arch/powerpc/platforms/86xx/sbc8641d.c1
-rw-r--r--arch/powerpc/sysdev/cpm1.c2
-rw-r--r--arch/powerpc/sysdev/cpm2.c4
-rw-r--r--arch/powerpc/sysdev/cpm_common.c15
-rw-r--r--arch/powerpc/sysdev/fsl_pci.c12
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c33
-rw-r--r--arch/powerpc/sysdev/fsl_soc.h2
-rw-r--r--arch/powerpc/sysdev/mpic.c2
68 files changed, 228 insertions, 240 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 50d020a..617dece 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -318,12 +318,12 @@ mpc85xx_smp_defconfig:
PHONY += corenet32_smp_defconfig
corenet32_smp_defconfig:
$(call merge_into_defconfig,corenet_basic_defconfig,\
- 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw)
+ 85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa)
PHONY += corenet64_smp_defconfig
corenet64_smp_defconfig:
$(call merge_into_defconfig,corenet_basic_defconfig,\
- 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw)
+ 85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa)
PHONY += mpc86xx_defconfig
mpc86xx_defconfig:
diff --git a/arch/powerpc/configs/dpaa.config b/arch/powerpc/configs/dpaa.config
new file mode 100644
index 0000000..efa99c0
--- /dev/null
+++ b/arch/powerpc/configs/dpaa.config
@@ -0,0 +1 @@
+CONFIG_FSL_DPAA=y
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index f752e6f..ab68d0e 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -43,6 +43,7 @@ extern int machine_check_e500mc(struct pt_regs *regs);
extern int machine_check_e500(struct pt_regs *regs);
extern int machine_check_e200(struct pt_regs *regs);
extern int machine_check_47x(struct pt_regs *regs);
+int machine_check_8xx(struct pt_regs *regs);
extern void cpu_down_flush_e500v2(void);
extern void cpu_down_flush_e500mc(void);
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index c7d82ff..eba6041 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -155,6 +155,8 @@ static inline unsigned long arch_local_irq_save(void)
unsigned long flags = arch_local_save_flags();
#ifdef CONFIG_BOOKE
asm volatile("wrteei 0" : : : "memory");
+#elif defined(CONFIG_PPC_8xx)
+ wrtspr(SPRN_EID);
#else
SET_MSR_EE(flags & ~MSR_EE);
#endif
@@ -165,6 +167,8 @@ static inline void arch_local_irq_disable(void)
{
#ifdef CONFIG_BOOKE
asm volatile("wrteei 0" : : : "memory");
+#elif defined(CONFIG_PPC_8xx)
+ wrtspr(SPRN_EID);
#else
arch_local_irq_save();
#endif
@@ -174,6 +178,8 @@ static inline void arch_local_irq_enable(void)
{
#ifdef CONFIG_BOOKE
asm volatile("wrteei 1" : : : "memory");
+#elif defined(CONFIG_PPC_8xx)
+ wrtspr(SPRN_EIE);
#else
unsigned long msr = mfmsr();
SET_MSR_EE(msr | MSR_EE);
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 54ff8ce..0132831 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -152,6 +152,7 @@
#define PPC_INST_LWSYNC 0x7c2004ac
#define PPC_INST_SYNC 0x7c0004ac
#define PPC_INST_SYNC_MASK 0xfc0007fe
+#define PPC_INST_ISYNC 0x4c00012c
#define PPC_INST_LXVD2X 0x7c000698
#define PPC_INST_MCRXR 0x7c000400
#define PPC_INST_MCRXR_MASK 0xfc0007fe
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index a8f63bc..cff7988 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1249,6 +1249,8 @@ static inline void mtmsr_isync(unsigned long val)
: "r" ((unsigned long)(v)) \
: "memory")
#endif
+#define wrtspr(rn) asm volatile("mtspr " __stringify(rn) ",0" : \
+ : : "memory")
extern unsigned long msr_check_and_set(unsigned long bits);
extern bool strict_msr_control;
diff --git a/arch/powerpc/include/asm/reg_8xx.h b/arch/powerpc/include/asm/reg_8xx.h
index 94d01f8..0197e12 100644
--- a/arch/powerpc/include/asm/reg_8xx.h
+++ b/arch/powerpc/include/asm/reg_8xx.h
@@ -25,6 +25,10 @@
#define SPRN_MD_RAM0 825
#define SPRN_MD_RAM1 826
+/* Special MSR manipulation registers */
+#define SPRN_EIE 80 /* External interrupt enable (EE=1, RI=1) */
+#define SPRN_EID 81 /* External interrupt disable (EE=0, RI=1) */
+
/* Commands. Only the first few are available to the instruction cache.
*/
#define IDC_ENABLE 0x02000000 /* Cache enable */
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 6c4646a..6a82ef0 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1248,6 +1248,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
.mmu_features = MMU_FTR_TYPE_8xx,
.icache_bsize = 16,
.dcache_bsize = 16,
+ .machine_check = machine_check_8xx,
.platform = "ppc823",
},
#endif /* CONFIG_8xx */
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 3a185c5..033a6b7 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -226,7 +226,7 @@ i##n: \
ret_from_except)
/* System reset */
- EXCEPTION(0x100, Reset, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x100, Reset, system_reset_exception, EXC_XFER_STD)
/* Machine check */
. = 0x200
@@ -321,7 +321,7 @@ SystemCall:
#endif
InstructionTLBMiss:
-#ifdef CONFIG_8xx_CPU6
+#if defined(CONFIG_8xx_CPU6) || defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC)
mtspr SPRN_SPRG_SCRATCH2, r3
#endif
EXCEPTION_PROLOG_0
@@ -329,23 +329,20 @@ InstructionTLBMiss:
/* If we are faulting a kernel address, we have to use the
* kernel page tables.
*/
+ mfspr r10, SPRN_SRR0 /* Get effective address of fault */
+ INVALIDATE_ADJACENT_PAGES_CPU15(r11, r10)
#if defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC)
/* Only modules will cause ITLB Misses as we always
* pin the first 8MB of kernel memory */
- mfspr r11, SPRN_SRR0 /* Get effective address of fault */
- INVALIDATE_ADJACENT_PAGES_CPU15(r10, r11)
- mfcr r10
- IS_KERNEL(r11, r11)
+ mfcr r3
+ IS_KERNEL(r11, r10)
+#endif
mfspr r11, SPRN_M_TW /* Get level 1 table */
+#if defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC)
BRANCH_UNLESS_KERNEL(3f)
lis r11, (swapper_pg_dir-PAGE_OFFSET)@ha
3:
- mtcr r10
- mfspr r10, SPRN_SRR0 /* Get effective address of fault */
-#else
- mfspr r10, SPRN_SRR0 /* Get effective address of fault */
- INVALIDATE_ADJACENT_PAGES_CPU15(r11, r10)
- mfspr r11, SPRN_M_TW /* Get level 1 table base address */
+ mtcr r3
#endif
/* Insert level 1 index */
rlwimi r11, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29
@@ -377,58 +374,39 @@ InstructionTLBMiss:
MTSPR_CPU6(SPRN_MI_RPN, r10, r3) /* Update TLB entry */
/* Restore registers */
-#ifdef CONFIG_8xx_CPU6
+#if defined(CONFIG_8xx_CPU6) || defined(CONFIG_MODULES) || defined (CONFIG_DEBUG_PAGEALLOC)
mfspr r3, SPRN_SPRG_SCRATCH2
#endif
EXCEPTION_EPILOG_0
rfi
-/*
- * Bottom part of DataStoreTLBMiss handler for IMMR area
- * not enough space in the DataStoreTLBMiss area
- */
-DTLBMissIMMR:
- mtcr r10
- /* Set 512k byte guarded page and mark it valid */
- li r10, MD_PS512K | MD_GUARDED | MD_SVALID
- MTSPR_CPU6(SPRN_MD_TWC, r10, r11)
- mfspr r10, SPRN_IMMR /* Get current IMMR */
- rlwinm r10, r10, 0, 0xfff80000 /* Get 512 kbytes boundary */
- ori r10, r10, 0xf0 | MD_SPS16K | _PAGE_SHARED | _PAGE_DIRTY | \
- _PAGE_PRESENT | _PAGE_NO_CACHE
- MTSPR_CPU6(SPRN_MD_RPN, r10, r11) /* Update TLB entry */
-
- li r11, RPN_PATTERN
- mtspr SPRN_DAR, r11 /* Tag DAR */
- EXCEPTION_EPILOG_0
- rfi
-
. = 0x1200
DataStoreTLBMiss:
+ mtspr SPRN_SPRG_SCRATCH2, r3
EXCEPTION_PROLOG_0
- mfcr r10
+ mfcr r3
/* If we are faulting a kernel address, we have to use the
* kernel page tables.
*/
- mfspr r11, SPRN_MD_EPN
- rlwinm r11, r11, 16, 0xfff8
+ mfspr r10, SPRN_MD_EPN
+ rlwinm r10, r10, 16, 0xfff8
+ cmpli cr0, r10, PAGE_OFFSET@h
+ mfspr r11, SPRN_M_TW /* Get level 1 table */
+ blt+ 3f
#ifndef CONFIG_PIN_TLB_IMMR
- cmpli cr0, r11, VIRT_IMMR_BASE@h
+ cmpli cr0, r10, VIRT_IMMR_BASE@h
#endif
- cmpli cr7, r11, PAGE_OFFSET@h
+_ENTRY(DTLBMiss_cmp)
+ cmpli cr7, r10, (PAGE_OFFSET + 0x1800000)@h
+ lis r11, (swapper_pg_dir-PAGE_OFFSET)@ha
#ifndef CONFIG_PIN_TLB_IMMR
_ENTRY(DTLBMiss_jmp)
beq- DTLBMissIMMR
#endif
- bge- cr7, 4f
-
- mfspr r11, SPRN_M_TW /* Get level 1 table */
+ blt cr7, DTLBMissLinear
3:
- mtcr r10
-#ifdef CONFIG_8xx_CPU6
- mtspr SPRN_SPRG_SCRATCH2, r3
-#endif
+ mtcr r3
mfspr r10, SPRN_MD_EPN
/* Insert level 1 index */
@@ -481,30 +459,7 @@ _ENTRY(DTLBMiss_jmp)
MTSPR_CPU6(SPRN_MD_RPN, r10, r3) /* Update TLB entry */
/* Restore registers */
-#ifdef CONFIG_8xx_CPU6
mfspr r3, SPRN_SPRG_SCRATCH2
-#endif
- mtspr SPRN_DAR, r11 /* Tag DAR */
- EXCEPTION_EPILOG_0
- rfi
-
-4:
-_ENTRY(DTLBMiss_cmp)
- cmpli cr0, r11, (PAGE_OFFSET + 0x1800000)@h
- lis r11, (swapper_pg_dir-PAGE_OFFSET)@ha
- bge- 3b
-
- mtcr r10
- /* Set 8M byte page and mark it valid */
- li r10, MD_PS8MEG | MD_SVALID
- MTSPR_CPU6(SPRN_MD_TWC, r10, r11)
- mfspr r10, SPRN_MD_EPN
- rlwinm r10, r10, 0, 0x0f800000 /* 8xx supports max 256Mb RAM */
- ori r10, r10, 0xf0 | MD_SPS16K | _PAGE_SHARED | _PAGE_DIRTY | \
- _PAGE_PRESENT
- MTSPR_CPU6(SPRN_MD_RPN, r10, r11) /* Update TLB entry */
-
- li r11, RPN_PATTERN
mtspr SPRN_DAR, r11 /* Tag DAR */
EXCEPTION_EPILOG_0
rfi
@@ -570,6 +525,43 @@ DARFixed:/* Return from dcbx instruction bug workaround */
. = 0x2000
+/*
+ * Bottom part of DataStoreTLBMiss handlers for IMMR area and linear RAM.
+ * not enough space in the DataStoreTLBMiss area.
+ */
+DTLBMissIMMR:
+ mtcr r3
+ /* Set 512k byte guarded page and mark it valid */
+ li r10, MD_PS512K | MD_GUARDED | MD_SVALID
+ MTSPR_CPU6(SPRN_MD_TWC, r10, r11)
+ mfspr r10, SPRN_IMMR /* Get current IMMR */
+ rlwinm r10, r10, 0, 0xfff80000 /* Get 512 kbytes boundary */
+ ori r10, r10, 0xf0 | MD_SPS16K | _PAGE_SHARED | _PAGE_DIRTY | \
+ _PAGE_PRESENT | _PAGE_NO_CACHE
+ MTSPR_CPU6(SPRN_MD_RPN, r10, r11) /* Update TLB entry */
+
+ li r11, RPN_PATTERN
+ mtspr SPRN_DAR, r11 /* Tag DAR */
+ mfspr r3, SPRN_SPRG_SCRATCH2
+ EXCEPTION_EPILOG_0
+ rfi
+
+DTLBMissLinear:
+ mtcr r3
+ /* Set 8M byte page and mark it valid */
+ li r11, MD_PS8MEG | MD_SVALID
+ MTSPR_CPU6(SPRN_MD_TWC, r11, r3)
+ rlwinm r10, r10, 16, 0x0f800000 /* 8xx supports max 256Mb RAM */
+ ori r10, r10, 0xf0 | MD_SPS16K | _PAGE_SHARED | _PAGE_DIRTY | \
+ _PAGE_PRESENT
+ MTSPR_CPU6(SPRN_MD_RPN, r10, r11) /* Update TLB entry */
+
+ li r11, RPN_PATTERN
+ mtspr SPRN_DAR, r11 /* Tag DAR */
+ mfspr r3, SPRN_SPRG_SCRATCH2
+ EXCEPTION_EPILOG_0
+ rfi
+
/* This is the procedure to calculate the data EA for buggy dcbx,dcbi instructions
* by decoding the registers used by the dcbx instruction and adding them.
* DAR is set to the calculated address.
@@ -586,7 +578,9 @@ FixupDAR:/* Entry point for dcbx workaround. */
rlwinm r11, r10, 16, 0xfff8
_ENTRY(FixupDAR_cmp)
cmpli cr7, r11, (PAGE_OFFSET + 0x1800000)@h
- blt- cr7, 200f
+ /* create physical page address from effective address */
+ tophys(r11, r10)
+ blt- cr7, 201f
lis r11, (swapper_pg_dir-PAGE_OFFSET)@ha
/* Insert level 1 index */
3: rlwimi r11, r10, 32 - ((PAGE_SHIFT - 2) << 1), (PAGE_SHIFT - 2) << 1, 29
@@ -616,10 +610,6 @@ _ENTRY(FixupDAR_cmp)
141: mfspr r10,SPRN_SPRG_SCRATCH2
b DARFixed /* Nope, go back to normal TLB processing */
- /* create physical page address from effective address */
-200: tophys(r11, r10)
- b 201b
-
144: mfspr r10, SPRN_DSISR
rlwinm r10, r10,0,7,5 /* Clear store bit for buggy dcbst insn */
mtspr SPRN_DSISR, r10
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index dba265c..270ee30 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -131,15 +131,26 @@ void machine_shutdown(void)
ppc_md.machine_shutdown();
}
+static void machine_hang(void)
+{
+ pr_emerg("System Halted, OK to turn off power\n");
+ local_irq_disable();
+ while (1)
+ ;
+}
+
void machine_restart(char *cmd)
{
machine_shutdown();
if (ppc_md.restart)
ppc_md.restart(cmd);
+
smp_send_stop();
- printk(KERN_EMERG "System Halted, OK to turn off power\n");
- local_irq_disable();
- while (1) ;
+
+ do_kernel_restart(cmd);
+ mdelay(1000);
+
+ machine_hang();
}
void machine_power_off(void)
@@ -147,10 +158,9 @@ void machine_power_off(void)
machine_shutdown();
if (pm_power_off)
pm_power_off();
+
smp_send_stop();
- printk(KERN_EMERG "System Halted, OK to turn off power\n");
- local_irq_disable();
- while (1) ;
+ machine_hang();
}
/* Used by the G5 thermal driver */
EXPORT_SYMBOL_GPL(machine_power_off);
@@ -163,10 +173,9 @@ void machine_halt(void)
machine_shutdown();
if (ppc_md.halt)
ppc_md.halt();
+
smp_send_stop();
- printk(KERN_EMERG "System Halted, OK to turn off power\n");
- local_irq_disable();
- while (1) ;
+ machine_hang();
}
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index a1f8f56..023a462 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -273,7 +273,6 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
force_sig_info(signr, &info, current);
}
-#ifdef CONFIG_PPC64
void system_reset_exception(struct pt_regs *regs)
{
/* See if any machine dependent calls */
@@ -291,6 +290,7 @@ void system_reset_exception(struct pt_regs *regs)
/* What should we do here? We could issue a shutdown or hard reset. */
}
+#ifdef CONFIG_PPC64
/*
* This function is called in real mode. Strictly no printk's please.
*
@@ -352,12 +352,11 @@ static inline int check_io_access(struct pt_regs *regs)
* For the debug message, we look at the preceding
* load or store.
*/
- if (*nip == 0x60000000) /* nop */
+ if (*nip == PPC_INST_NOP)
nip -= 2;
- else if (*nip == 0x4c00012c) /* isync */
+ else if (*nip == PPC_INST_ISYNC)
--nip;
- if (*nip == 0x7c0004ac || (*nip >> 26) == 3) {
- /* sync or twi */
+ if (*nip == PPC_INST_SYNC || (*nip >> 26) == OP_TRAP) {
unsigned int rb;
--nip;
@@ -668,6 +667,31 @@ int machine_check_e200(struct pt_regs *regs)
return 0;
}
+#elif defined(CONFIG_PPC_8xx)
+int machine_check_8xx(struct pt_regs *regs)
+{
+ unsigned long reason = get_mc_reason(regs);
+
+ pr_err("Machine check in kernel mode.\n");
+ pr_err("Caused by (from SRR1=%lx): ", reason);
+ if (reason & 0x40000000)
+ pr_err("Fetch error at address %lx\n", regs->nip);
+ else
+ pr_err("Data access error at address %lx\n", regs->dar);
+
+#ifdef CONFIG_PCI
+ /* the qspan pci read routines can cause machine checks -- Cort
+ *
+ * yuck !!! that totally needs to go away ! There are better ways
+ * to deal with that than having a wart in the mcheck handler.
+ * -- BenH
+ */
+ bad_page_fault(regs, regs->dar, SIGBUS);
+ return 1;
+#else
+ return 0;
+#endif
+}
#else
int machine_check_generic(struct pt_regs *regs)
{
@@ -727,17 +751,6 @@ void machine_check_exception(struct pt_regs *regs)
if (recover > 0)
goto bail;
-#if defined(CONFIG_8xx) && defined(CONFIG_PCI)
- /* the qspan pci read routines can cause machine checks -- Cort
- *
- * yuck !!! that totally needs to go away ! There are better ways
- * to deal with that than having a wart in the mcheck handler.
- * -- BenH
- */
- bad_page_fault(regs, regs->dar, SIGBUS);
- goto bail;
-#endif
-
if (debugger_fault_handler(regs))
goto bail;
diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig
index 7c7df400..994d1a9 100644
--- a/arch/powerpc/platforms/82xx/Kconfig
+++ b/arch/powerpc/platforms/82xx/Kconfig
@@ -30,8 +30,8 @@ config EP8248E
select 8272
select 8260
select FSL_SOC
- select PHYLIB
- select MDIO_BITBANG
+ select PHYLIB if NETDEVICES
+ select MDIO_BITBANG if PHYLIB
help
This enables support for the Embedded Planet EP8248E board.
diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c
index cdab847..8fec050 100644
--- a/arch/powerpc/platforms/82xx/ep8248e.c
+++ b/arch/powerpc/platforms/82xx/ep8248e.c
@@ -298,7 +298,9 @@ static const struct of_device_id of_bus_ids[] __initconst = {
static int __init declare_of_platform_devices(void)
{
of_platform_bus_probe(NULL, of_bus_ids, NULL);
- platform_driver_register(&ep8248e_mdio_driver);
+
+ if (IS_ENABLED(CONFIG_MDIO_BITBANG))
+ platform_driver_register(&ep8248e_mdio_driver);
return 0;
}
diff --git a/arch/powerpc/platforms/83xx/asp834x.c b/arch/powerpc/platforms/83xx/asp834x.c
index 17e5433..575afd6 100644
--- a/arch/powerpc/platforms/83xx/asp834x.c
+++ b/arch/powerpc/platforms/83xx/asp834x.c
@@ -30,9 +30,7 @@
*/
static void __init asp834x_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("asp834x_setup_arch()", 0);
-
+ mpc83xx_setup_arch();
mpc834x_usb_cfg();
}
diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c
index e7fbd63..d8642a4 100644
--- a/arch/powerpc/platforms/83xx/km83xx.c
+++ b/arch/powerpc/platforms/83xx/km83xx.c
@@ -130,10 +130,7 @@ static void __init mpc83xx_km_setup_arch(void)
struct device_node *np;
#endif
- if (ppc_md.progress)
- ppc_md.progress("kmpbec83xx_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
#ifdef CONFIG_QUICC_ENGINE
np = of_find_node_by_name(NULL, "par_io");
diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c
index 8899aa9..d75c981 100644
--- a/arch/powerpc/platforms/83xx/misc.c
+++ b/arch/powerpc/platforms/83xx/misc.c
@@ -142,3 +142,11 @@ void __init mpc83xx_setup_pci(void)
mpc83xx_add_bridge(np);
}
#endif
+
+void __init mpc83xx_setup_arch(void)
+{
+ if (ppc_md.progress)
+ ppc_md.progress("mpc83xx_setup_arch()", 0);
+
+ mpc83xx_setup_pci();
+}
diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
index 040d5d0..272c41c 100644
--- a/arch/powerpc/platforms/83xx/mpc830x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
@@ -27,10 +27,7 @@
*/
static void __init mpc830x_rdb_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("mpc830x_rdb_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
mpc831x_usb_cfg();
}
diff --git a/arch/powerpc/platforms/83xx/mpc831x_rdb.c b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
index 40e0d83..fd80fd5 100644
--- a/arch/powerpc/platforms/83xx/mpc831x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
@@ -28,10 +28,7 @@
*/
static void __init mpc831x_rdb_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("mpc831x_rdb_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
mpc831x_usb_cfg();
}
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index cdfa47c..bb7b25a 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -58,8 +58,7 @@ static void __init mpc832x_sys_setup_arch(void)
struct device_node *np;
u8 __iomem *bcsr_regs = NULL;
- if (ppc_md.progress)
- ppc_md.progress("mpc832x_sys_setup_arch()", 0);
+ mpc83xx_setup_arch();
/* Map BCSR area */
np = of_find_node_by_name(NULL, "bcsr");
@@ -71,8 +70,6 @@ static void __init mpc832x_sys_setup_arch(void)
of_node_put(np);
}
- mpc83xx_setup_pci();
-
#ifdef CONFIG_QUICC_ENGINE
if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
par_io_init(np);
diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
index 0d6a62f..d7c9b18 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
@@ -197,10 +197,7 @@ static void __init mpc832x_rdb_setup_arch(void)
struct device_node *np;
#endif
- if (ppc_md.progress)
- ppc_md.progress("mpc832x_rdb_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
#ifdef CONFIG_QUICC_ENGINE
if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index 8fd0c1e..73a5267d 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -57,10 +57,7 @@ machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
*/
static void __init mpc834x_itx_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("mpc834x_itx_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
mpc834x_usb_cfg();
}
diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c
index eeaee61..009cfc1 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c
@@ -76,10 +76,7 @@ static int mpc834xemds_usb_cfg(void)
*/
static void __init mpc834x_mds_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("mpc834x_mds_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
mpc834xemds_usb_cfg();
}
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
index dacf4c2..4fc3051 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
@@ -66,8 +66,7 @@ static void __init mpc836x_mds_setup_arch(void)
struct device_node *np;
u8 __iomem *bcsr_regs = NULL;
- if (ppc_md.progress)
- ppc_md.progress("mpc836x_mds_setup_arch()", 0);
+ mpc83xx_setup_arch();
/* Map BCSR area */
np = of_find_node_by_name(NULL, "bcsr");
@@ -79,8 +78,6 @@ static void __init mpc836x_mds_setup_arch(void)
of_node_put(np);
}
- mpc83xx_setup_pci();
-
#ifdef CONFIG_QUICC_ENGINE
if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
par_io_init(np);
diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
index cf67ac9..93f024f 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_rdk.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
@@ -31,10 +31,7 @@ machine_device_initcall(mpc836x_rdk, mpc83xx_declare_of_platform_devices);
static void __init mpc836x_rdk_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("mpc836x_rdk_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
}
/*
diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
index 652b97d..3b34cc1 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -79,10 +79,7 @@ out:
*/
static void __init mpc837x_mds_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("mpc837x_mds_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
mpc837xmds_usb_cfg();
}
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index 667731d..0c55fa6 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -50,10 +50,7 @@ static void mpc837x_rdb_sd_cfg(void)
*/
static void __init mpc837x_rdb_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("mpc837x_rdb_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
mpc837x_usb_cfg();
mpc837x_rdb_sd_cfg();
}
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index ad48419..636eb9d 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -86,5 +86,6 @@ extern void mpc83xx_setup_pci(void);
#endif
extern int mpc83xx_declare_of_platform_devices(void);
+extern void mpc83xx_setup_arch(void);
#endif /* __MPC83XX_H__ */
diff --git a/arch/powerpc/platforms/83xx/sbc834x.c b/arch/powerpc/platforms/83xx/sbc834x.c
index b867e88..cb4bdab 100644
--- a/arch/powerpc/platforms/83xx/sbc834x.c
+++ b/arch/powerpc/platforms/83xx/sbc834x.c
@@ -47,10 +47,7 @@
*/
static void __init sbc834x_setup_arch(void)
{
- if (ppc_md.progress)
- ppc_md.progress("sbc834x_setup_arch()", 0);
-
- mpc83xx_setup_pci();
+ mpc83xx_setup_arch();
}
machine_device_initcall(sbc834x, mpc83xx_declare_of_platform_devices);
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index df25a3e..9dc1d28 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -72,7 +72,7 @@ config MPC85xx_CDS
config MPC85xx_MDS
bool "Freescale MPC85xx MDS"
select DEFAULT_UIMAGE
- select PHYLIB
+ select PHYLIB if NETDEVICES
select HAS_RAPIDIO
select SWIOTLB
help
diff --git a/arch/powerpc/platforms/85xx/bsc913x_qds.c b/arch/powerpc/platforms/85xx/bsc913x_qds.c
index 07dd6ae..d2f4556 100644
--- a/arch/powerpc/platforms/85xx/bsc913x_qds.c
+++ b/arch/powerpc/platforms/85xx/bsc913x_qds.c
@@ -72,7 +72,6 @@ define_machine(bsc9132_qds) {
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/bsc913x_rdb.c b/arch/powerpc/platforms/85xx/bsc913x_rdb.c
index e48f671..0ffdb4a 100644
--- a/arch/powerpc/platforms/85xx/bsc913x_rdb.c
+++ b/arch/powerpc/platforms/85xx/bsc913x_rdb.c
@@ -59,7 +59,6 @@ define_machine(bsc9131_rdb) {
.setup_arch = bsc913x_rdb_setup_arch,
.init_IRQ = bsc913x_rdb_pic_init,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/c293pcie.c b/arch/powerpc/platforms/85xx/c293pcie.c
index 3b9e3f0..4df1b40 100644
--- a/arch/powerpc/platforms/85xx/c293pcie.c
+++ b/arch/powerpc/platforms/85xx/c293pcie.c
@@ -65,7 +65,6 @@ define_machine(c293_pcie) {
.setup_arch = c293_pcie_setup_arch,
.init_IRQ = c293_pcie_pic_init,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c
index 3a6a84f..1179115 100644
--- a/arch/powerpc/platforms/85xx/corenet_generic.c
+++ b/arch/powerpc/platforms/85xx/corenet_generic.c
@@ -225,7 +225,6 @@ define_machine(corenet_generic) {
#else
.get_irq = mpic_get_coreint_irq,
#endif
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PPC64
diff --git a/arch/powerpc/platforms/85xx/ge_imp3a.c b/arch/powerpc/platforms/85xx/ge_imp3a.c
index 14af36a..f29c6f0 100644
--- a/arch/powerpc/platforms/85xx/ge_imp3a.c
+++ b/arch/powerpc/platforms/85xx/ge_imp3a.c
@@ -215,7 +215,6 @@ define_machine(ge_imp3a) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
index 6ba687f..94a7f92 100644
--- a/arch/powerpc/platforms/85xx/mpc8536_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -77,7 +77,6 @@ define_machine(mpc8536_ds) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 8756715..f3e055f 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -170,7 +170,6 @@ define_machine(mpc85xx_ads) {
.init_IRQ = mpc85xx_ads_pic_init,
.show_cpuinfo = mpc85xx_ads_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index 86f2015..224db30 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -83,7 +83,8 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
return PCIBIOS_SUCCESSFUL;
}
-static void __noreturn mpc85xx_cds_restart(char *cmd)
+static int mpc85xx_cds_restart(struct notifier_block *this,
+ unsigned long mode, void *cmd)
{
struct pci_dev *dev;
u_char tmp;
@@ -108,12 +109,25 @@ static void __noreturn mpc85xx_cds_restart(char *cmd)
}
/*
- * If we can't find the VIA chip (maybe the P2P bridge is disabled)
- * or the VIA chip reset didn't work, just use the default reset.
+ * If we can't find the VIA chip (maybe the P2P bridge is
+ * disabled) or the VIA chip reset didn't work, just return
+ * and let default reset sequence happen.
*/
- fsl_rstcr_restart(NULL);
+ return NOTIFY_DONE;
}
+static int mpc85xx_cds_restart_register(void)
+{
+ static struct notifier_block restart_handler;
+
+ restart_handler.notifier_call = mpc85xx_cds_restart;
+ restart_handler.priority = 192;
+
+ return register_restart_handler(&restart_handler);
+}
+machine_arch_initcall(mpc85xx_cds, mpc85xx_cds_restart_register);
+
+
static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev)
{
u_char c;
@@ -380,11 +394,8 @@ define_machine(mpc85xx_cds) {
.show_cpuinfo = mpc85xx_cds_show_cpuinfo,
.get_irq = mpic_get_irq,
#ifdef CONFIG_PCI
- .restart = mpc85xx_cds_restart,
.pcibios_fixup_bus = mpc85xx_cds_fixup_bus,
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
-#else
- .restart = fsl_rstcr_restart,
#endif
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index ed69c7e..dc9e035 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -204,7 +204,6 @@ define_machine(mpc8544_ds) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -219,7 +218,6 @@ define_machine(mpc8572_ds) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -234,7 +232,6 @@ define_machine(p2020_ds) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index fa9cd71..d7e440e 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -63,6 +63,8 @@
#define DBG(fmt...)
#endif
+#if IS_BUILTIN(CONFIG_PHYLIB)
+
#define MV88E1111_SCR 0x10
#define MV88E1111_SCR_125CLK 0x0010
static int mpc8568_fixup_125_clock(struct phy_device *phydev)
@@ -152,6 +154,8 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
return err;
}
+#endif
+
/* ************************************************************************
*
* Setup the architecture
@@ -313,6 +317,7 @@ static void __init mpc85xx_mds_setup_arch(void)
swiotlb_detect_4g();
}
+#if IS_BUILTIN(CONFIG_PHYLIB)
static int __init board_fixups(void)
{
@@ -342,9 +347,12 @@ static int __init board_fixups(void)
return 0;
}
+
machine_arch_initcall(mpc8568_mds, board_fixups);
machine_arch_initcall(mpc8569_mds, board_fixups);
+#endif
+
static int __init mpc85xx_publish_devices(void)
{
if (machine_is(mpc8568_mds))
@@ -385,7 +393,6 @@ define_machine(mpc8568_mds) {
.setup_arch = mpc85xx_mds_setup_arch,
.init_IRQ = mpc85xx_mds_pic_init,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PCI
@@ -405,7 +412,6 @@ define_machine(mpc8569_mds) {
.setup_arch = mpc85xx_mds_setup_arch,
.init_IRQ = mpc85xx_mds_pic_init,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PCI
@@ -426,7 +432,6 @@ define_machine(p1021_mds) {
.setup_arch = mpc85xx_mds_setup_arch,
.init_IRQ = mpc85xx_mds_pic_init,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PCI
@@ -434,4 +439,3 @@ define_machine(p1021_mds) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
};
-
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
index c1499cb..1006950 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
@@ -213,7 +213,6 @@ define_machine(p2020_rdb) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -228,7 +227,6 @@ define_machine(p1020_rdb) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -243,7 +241,6 @@ define_machine(p1021_rdb_pc) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -258,7 +255,6 @@ define_machine(p2020_rdb_pc) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -273,7 +269,6 @@ define_machine(p1025_rdb) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -288,7 +283,6 @@ define_machine(p1020_mbg_pc) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -303,7 +297,6 @@ define_machine(p1020_utm_pc) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -318,7 +311,6 @@ define_machine(p1020_rdb_pc) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -333,7 +325,6 @@ define_machine(p1020_rdb_pd) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -348,7 +339,6 @@ define_machine(p1024_rdb) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/mvme2500.c b/arch/powerpc/platforms/85xx/mvme2500.c
index acc3d0d..d5af072 100644
--- a/arch/powerpc/platforms/85xx/mvme2500.c
+++ b/arch/powerpc/platforms/85xx/mvme2500.c
@@ -66,7 +66,6 @@ define_machine(mvme2500) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/p1010rdb.c b/arch/powerpc/platforms/85xx/p1010rdb.c
index 661d7b5..78d13b3 100644
--- a/arch/powerpc/platforms/85xx/p1010rdb.c
+++ b/arch/powerpc/platforms/85xx/p1010rdb.c
@@ -79,7 +79,6 @@ define_machine(p1010_rdb) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index 63568d6..0908abd 100644
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -568,7 +568,6 @@ define_machine(p1022_ds) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/p1022_rdk.c b/arch/powerpc/platforms/85xx/p1022_rdk.c
index 2f29436..276e00a 100644
--- a/arch/powerpc/platforms/85xx/p1022_rdk.c
+++ b/arch/powerpc/platforms/85xx/p1022_rdk.c
@@ -148,7 +148,6 @@ define_machine(p1022_rdk) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/p1023_rdb.c b/arch/powerpc/platforms/85xx/p1023_rdb.c
index 40d8de5..3e8cd032 100644
--- a/arch/powerpc/platforms/85xx/p1023_rdb.c
+++ b/arch/powerpc/platforms/85xx/p1023_rdb.c
@@ -110,7 +110,6 @@ define_machine(p1023_rdb) {
.setup_arch = mpc85xx_rdb_setup_arch,
.init_IRQ = mpc85xx_rdb_pic_init,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PCI
diff --git a/arch/powerpc/platforms/85xx/ppa8548.c b/arch/powerpc/platforms/85xx/ppa8548.c
index 2410167..33c5ba6 100644
--- a/arch/powerpc/platforms/85xx/ppa8548.c
+++ b/arch/powerpc/platforms/85xx/ppa8548.c
@@ -91,7 +91,6 @@ define_machine(ppa8548) {
.init_IRQ = ppa8548_pic_init,
.show_cpuinfo = ppa8548_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c
index 50d7458..b63a854 100644
--- a/arch/powerpc/platforms/85xx/qemu_e500.c
+++ b/arch/powerpc/platforms/85xx/qemu_e500.c
@@ -77,7 +77,6 @@ define_machine(qemu_e500) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_coreint_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/sbc8548.c b/arch/powerpc/platforms/85xx/sbc8548.c
index 62b6c45..2c67084 100644
--- a/arch/powerpc/platforms/85xx/sbc8548.c
+++ b/arch/powerpc/platforms/85xx/sbc8548.c
@@ -130,7 +130,6 @@ define_machine(sbc8548) {
.init_IRQ = sbc8548_pic_init,
.show_cpuinfo = sbc8548_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
diff --git a/arch/powerpc/platforms/85xx/sgy_cts1000.c b/arch/powerpc/platforms/85xx/sgy_cts1000.c
index 79fd0df..21d6aaa 100644
--- a/arch/powerpc/platforms/85xx/sgy_cts1000.c
+++ b/arch/powerpc/platforms/85xx/sgy_cts1000.c
@@ -38,18 +38,18 @@ static void gpio_halt_wfn(struct work_struct *work)
}
static DECLARE_WORK(gpio_halt_wq, gpio_halt_wfn);
-static void gpio_halt_cb(void)
+static void __noreturn gpio_halt_cb(void)
{
enum of_gpio_flags flags;
int trigger, gpio;
if (!halt_node)
- return;
+ panic("No reset GPIO information was provided in DT\n");
gpio = of_get_gpio_flags(halt_node, 0, &flags);
if (!gpio_is_valid(gpio))
- return;
+ panic("Provided GPIO is invalid\n");
trigger = (flags == OF_GPIO_ACTIVE_LOW);
@@ -57,6 +57,8 @@ static void gpio_halt_cb(void)
/* Probably wont return */
gpio_set_value(gpio, trigger);
+
+ panic("Halt failed\n");
}
/* This IRQ means someone pressed the power button and it is waiting for us
diff --git a/arch/powerpc/platforms/85xx/socrates.c b/arch/powerpc/platforms/85xx/socrates.c
index cd255ac..8da4ed9 100644
--- a/arch/powerpc/platforms/85xx/socrates.c
+++ b/arch/powerpc/platforms/85xx/socrates.c
@@ -91,7 +91,6 @@ define_machine(socrates) {
.setup_arch = socrates_setup_arch,
.init_IRQ = socrates_pic_init,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/stx_gp3.c b/arch/powerpc/platforms/85xx/stx_gp3.c
index 91b824c..1a1d44e 100644
--- a/arch/powerpc/platforms/85xx/stx_gp3.c
+++ b/arch/powerpc/platforms/85xx/stx_gp3.c
@@ -103,7 +103,6 @@ define_machine(stx_gp3) {
.init_IRQ = stx_gp3_pic_init,
.show_cpuinfo = stx_gp3_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c
index b7c5445..9fc20a3 100644
--- a/arch/powerpc/platforms/85xx/tqm85xx.c
+++ b/arch/powerpc/platforms/85xx/tqm85xx.c
@@ -132,7 +132,6 @@ define_machine(tqm85xx) {
.init_IRQ = tqm85xx_pic_init,
.show_cpuinfo = tqm85xx_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/twr_p102x.c b/arch/powerpc/platforms/85xx/twr_p102x.c
index 1bc02a8..360f625 100644
--- a/arch/powerpc/platforms/85xx/twr_p102x.c
+++ b/arch/powerpc/platforms/85xx/twr_p102x.c
@@ -140,7 +140,6 @@ define_machine(twr_p1025) {
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
index cf0c70f..cd6ce84 100644
--- a/arch/powerpc/platforms/85xx/xes_mpc85xx.c
+++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
@@ -167,7 +167,6 @@ define_machine(xes_mpc8572) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -182,7 +181,6 @@ define_machine(xes_mpc8548) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
@@ -197,7 +195,6 @@ define_machine(xes_mpc8540) {
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
#endif
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index ef684af..6b99300 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -204,7 +204,6 @@ define_machine(gef_ppc9a) {
.init_IRQ = gef_ppc9a_init_irq,
.show_cpuinfo = gef_ppc9a_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c
index 67dd0c2..8cdeca0 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc310.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc310.c
@@ -191,7 +191,6 @@ define_machine(gef_sbc310) {
.init_IRQ = gef_sbc310_init_irq,
.show_cpuinfo = gef_sbc310_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index 8050269..da8723a 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -181,7 +181,6 @@ define_machine(gef_sbc610) {
.init_IRQ = gef_sbc610_init_irq,
.show_cpuinfo = gef_sbc610_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index fef0582..a5d73fa 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -331,7 +331,6 @@ define_machine(mpc86xx_hpcd) {
.setup_arch = mpc86xx_hpcd_setup_arch,
.init_IRQ = mpc86xx_init_irq,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 5ae42a0..a0e989e 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -130,7 +130,6 @@ define_machine(mpc86xx_hpcn) {
.init_IRQ = mpc86xx_init_irq,
.show_cpuinfo = mpc86xx_hpcn_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
diff --git a/arch/powerpc/platforms/86xx/mvme7100.c b/arch/powerpc/platforms/86xx/mvme7100.c
index addb41e..835352e 100644
--- a/arch/powerpc/platforms/86xx/mvme7100.c
+++ b/arch/powerpc/platforms/86xx/mvme7100.c
@@ -111,7 +111,6 @@ define_machine(mvme7100) {
.setup_arch = mvme7100_setup_arch,
.init_IRQ = mpc86xx_init_irq,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
index 52af573..93db35d 100644
--- a/arch/powerpc/platforms/86xx/sbc8641d.c
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -82,7 +82,6 @@ define_machine(sbc8641) {
.init_IRQ = mpc86xx_init_irq,
.show_cpuinfo = sbc8641_show_cpuinfo,
.get_irq = mpic_get_irq,
- .restart = fsl_rstcr_restart,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c
index 3c0eb9b..986cd11 100644
--- a/arch/powerpc/sysdev/cpm1.c
+++ b/arch/powerpc/sysdev/cpm1.c
@@ -233,8 +233,6 @@ void __init cpm_reset(void)
else
out_be32(&siu_conf->sc_sdcr, 1);
immr_unmap(siu_conf);
-
- cpm_muram_init();
}
static DEFINE_SPINLOCK(cmd_lock);
diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index 8dc1e24..f78ff84 100644
--- a/arch/powerpc/sysdev/cpm2.c
+++ b/arch/powerpc/sysdev/cpm2.c
@@ -66,10 +66,6 @@ void __init cpm2_reset(void)
cpm2_immr = ioremap(get_immrbase(), CPM_MAP_SIZE);
#endif
- /* Reclaim the DP memory for our use.
- */
- cpm_muram_init();
-
/* Tell everyone where the comm processor resides.
*/
cpmp = &cpm2_immr->im_cpm;
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index 947f420..51bf749 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -37,6 +37,21 @@
#include <linux/of_gpio.h>
#endif
+static int __init cpm_init(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,cpm1");
+ if (!np)
+ np = of_find_compatible_node(NULL, NULL, "fsl,cpm2");
+ if (!np)
+ return -ENODEV;
+ cpm_muram_init();
+ of_node_put(np);
+ return 0;
+}
+subsys_initcall(cpm_init);
+
#ifdef CONFIG_PPC_EARLY_DEBUG_CPM
static u32 __iomem *cpm_udbg_txdesc;
static u8 __iomem *cpm_udbg_txbuf;
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 0ef9df4..d3a5974 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -111,8 +111,7 @@ static struct pci_ops fsl_indirect_pcie_ops =
.write = indirect_write_config,
};
-#define MAX_PHYS_ADDR_BITS 40
-static u64 pci64_dma_offset = 1ull << MAX_PHYS_ADDR_BITS;
+static u64 pci64_dma_offset;
#ifdef CONFIG_SWIOTLB
static void setup_swiotlb_ops(struct pci_controller *hose)
@@ -132,12 +131,10 @@ static int fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask)
return -EIO;
/*
- * Fixup PCI devices that are able to DMA to above the physical
- * address width of the SoC such that we can address any internal
- * SoC address from across PCI if needed
+ * Fix up PCI devices that are able to DMA to the large inbound
+ * mapping that allows addressing any RAM address from across PCI.
*/
- if ((dev_is_pci(dev)) &&
- dma_mask >= DMA_BIT_MASK(MAX_PHYS_ADDR_BITS)) {
+ if (dev_is_pci(dev) && dma_mask >= pci64_dma_offset * 2 - 1) {
set_dma_ops(dev, &dma_direct_ops);
set_dma_offset(dev, pci64_dma_offset);
}
@@ -387,6 +384,7 @@ static void setup_pci_atmu(struct pci_controller *hose)
mem_log++;
piwar = (piwar & ~PIWAR_SZ_MASK) | (mem_log - 1);
+ pci64_dma_offset = 1ULL << mem_log;
if (setup_inbound) {
/* Setup inbound memory window */
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index a09ca70..d93056e 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -29,6 +29,7 @@
#include <linux/fsl_devices.h>
#include <linux/fs_enet_pd.h>
#include <linux/fs_uart_pd.h>
+#include <linux/reboot.h>
#include <linux/atomic.h>
#include <asm/io.h>
@@ -180,23 +181,38 @@ EXPORT_SYMBOL(get_baudrate);
#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
static __be32 __iomem *rstcr;
+static int fsl_rstcr_restart(struct notifier_block *this,
+ unsigned long mode, void *cmd)
+{
+ local_irq_disable();
+ /* set reset control register */
+ out_be32(rstcr, 0x2); /* HRESET_REQ */
+
+ return NOTIFY_DONE;
+}
+
static int __init setup_rstcr(void)
{
struct device_node *np;
+ static struct notifier_block restart_handler = {
+ .notifier_call = fsl_rstcr_restart,
+ .priority = 128,
+ };
+
for_each_node_by_name(np, "global-utilities") {
if ((of_get_property(np, "fsl,has-rstcr", NULL))) {
rstcr = of_iomap(np, 0) + 0xb0;
- if (!rstcr)
+ if (!rstcr) {
printk (KERN_ERR "Error: reset control "
"register not mapped!\n");
+ } else {
+ register_restart_handler(&restart_handler);
+ }
break;
}
}
- if (!rstcr && ppc_md.restart == fsl_rstcr_restart)
- printk(KERN_ERR "No RSTCR register, warm reboot won't work\n");
-
of_node_put(np);
return 0;
@@ -204,15 +220,6 @@ static int __init setup_rstcr(void)
arch_initcall(setup_rstcr);
-void __noreturn fsl_rstcr_restart(char *cmd)
-{
- local_irq_disable();
- if (rstcr)
- /* set reset control register */
- out_be32(rstcr, 0x2); /* HRESET_REQ */
-
- while (1) ;
-}
#endif
#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h
index 433566a..d73daa4 100644
--- a/arch/powerpc/sysdev/fsl_soc.h
+++ b/arch/powerpc/sysdev/fsl_soc.h
@@ -19,8 +19,6 @@ extern u32 fsl_get_sys_freq(void);
struct spi_board_info;
struct device_node;
-extern void __noreturn fsl_rstcr_restart(char *cmd);
-
/* The different ports that the DIU can be connected to */
enum fsl_diu_monitor_port {
FSL_DIU_PORT_DVI, /* DVI */
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 4d48cec..b9aac95 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1249,7 +1249,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
/* Pick the physical address from the device tree if unspecified */
if (!phys_addr) {
/* Check if it is DCR-based */
- if (of_get_property(node, "dcr-reg", NULL)) {
+ if (of_property_read_bool(node, "dcr-reg")) {
flags |= MPIC_USES_DCR;
} else {
struct resource r;
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