- 09 Jan, 2014 3 commits
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Wang Dongsheng authored
RTC Hardware(ds3232) and rtc compatible string does not match. Change "dallas,ds1339" to "dallas,ds3232". Signed-off-by:
Wang Dongsheng <dongsheng.wang@freescale.com> Signed-off-by:
Scott Wood <scottwood@freescale.com>
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Anton Blanchard authored
ehv_bytechan is marked tristate but fails to build as a module: drivers/tty/ehv_bytechan.c:363:1: error: type defaults to ‘int’ in declaration of ‘console_initcall’ [-Werror=implicit-int] It doesn't make much sense for a console driver to be built as a module, so change it to a bool. Signed-off-by:
Anton Blanchard <anton@samba.org> Acked-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Wang Dongsheng authored
Add a sys interface to enable/diable pw20 state or altivec idle, and control the wait entry time. Enable/Disable interface: 0, disable. 1, enable. /sys/devices/system/cpu/cpuX/pw20_state /sys/devices/system/cpu/cpuX/altivec_idle Set wait time interface:(Nanosecond) /sys/devices/system/cpu/cpuX/pw20_wait_time /sys/devices/system/cpu/cpuX/altivec_idle_wait_time Example: Base on TBfreq is 41MHZ. 1~48(ns): TB[63] 49~97(ns): TB[62] 98~195(ns): TB[61] 196~390(ns): TB[60] 391~780(ns): TB[59] 781~1560(ns): TB[58] ... Signed-off-by:
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- 08 Jan, 2014 20 commits
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Wang Dongsheng authored
Using hardware features make core automatically enter PW20 state. Set a TB count to hardware, the effective count begins when PW10 is entered. When the effective period has expired, the core will proceed from PW10 to PW20 if no exit conditions have occurred during the period. Signed-off-by:
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Wang Dongsheng authored
Each core's AltiVec unit may be placed into a power savings mode by turning off power to the unit. Core hardware will automatically power down the AltiVec unit after no AltiVec instructions have executed in N cycles. The AltiVec power-control is triggered by hardware. Signed-off-by:
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Wang Dongsheng authored
E6500 PVR and SPRN_PWRMGTCR0 will be used in subsequent pw20/altivec idle patches. Signed-off-by:
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Christian Engelmayer authored
Moved the following functions out of the __init section: arch/powerpc/sysdev/fsl_pci.c : fsl_add_bridge() arch/powerpc/sysdev/indirect_pci.c : setup_indirect_pci() Those are referenced by arch/powerpc/sysdev/fsl_pci.c : fsl_pci_probe() when compiling for Book E support. Signed-off-by:
Christian Engelmayer <cengelma@gmx.at> Signed-off-by:
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Zhao Qiang authored
It is not correct according to p1010rdb-pa user guide. So modify it. Signed-off-by:
Zhao Qiang <B45475@freescale.com> Signed-off-by:
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LEROY Christophe authored
On PPC_8xx, CRC32_SLICEBY4 is more efficient (almost twice) than CRC32_SLICEBY8, as shown below: With CRC32_SLICEBY8: [ 1.109204] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64 [ 1.114401] crc32: self tests passed, processed 225944 bytes in 15118910 nsec [ 1.130655] crc32c: CRC_LE_BITS = 64 [ 1.134235] crc32c: self tests passed, processed 225944 bytes in 4479879 nsec With CRC32_SLICEBY4: [ 1.097129] crc32: CRC_LE_BITS = 32, CRC_BE BITS = 32 [ 1.101878] crc32: self tests passed, processed 225944 bytes in 8616242 nsec [ 1.116298] crc32c: CRC_LE_BITS = 32 [ 1.119607] crc32c: self tests passed, processed 225944 bytes in 3289576 nsec Signed-off-by:
Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by:
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Xie Xiaobo authored
TWR-P1025 Overview ----------------- 512Mbyte DDR3 (on board DDR) 64MB Nor Flash eTSEC1: Connected to RGMII PHY AR8035 eTSEC3: Connected to RGMII PHY AR8035 Two USB2.0 Type A One microSD Card slot One mini-PCIe slot One mini-USB TypeB dual UART Signed-off-by:
Michael Johnston <michael.johnston@freescale.com> Signed-off-by:
Xie Xiaobo <X.Xie@freescale.com> [scottwood@freescale.com: use pr_info rather than KERN_INFO] Signed-off-by:
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Xie Xiaobo authored
Define a QE init function in common file, and avoid the same codes being duplicated in board files. Signed-off-by:
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Lijun Pan authored
mpc85xx_smp_defconfig and mpc85xx_defconfig already have CONFIG_P1023RDS=y. Merge CONFIG_P1023RDB=y and other relevant configurations into mpc85xx_smp_defconfig and mpc85_defconfig. Signed-off-by:
Lijun Pan <Lijun.Pan@freescale.com> Signed-off-by:
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Scott Wood authored
This fixes a build break that was probably introduced with the removal of -Wa,-me500 (commit f49596a4), where the assembler refuses to recognize SPRG4-7 with a generic PPC target. Signed-off-by:
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Kevin Hao authored
It makes no sense to initialize the mpic ipi for the SoC which has doorbell support. So set the smp_85xx_ops.probe to NULL for this case. Since the smp_85xx_ops.probe is also used in function smp_85xx_setup_cpu() to check if we need to invoke mpic_setup_this_cpu(), we introduce a new setup_cpu function smp_85xx_basic_setup() to remove this dependency. Signed-off-by:
Kevin Hao <haokexin@gmail.com> Signed-off-by:
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Zhao Qiang authored
P1010rdb-pa and p1010rdb-pb have different mtd of nand. So update dts to adapt to both p1010rdb-pa and p1010rdb-pb. Move the nand-mtd from p1010rdb.dtsi to p1010rdb-pa*.dts. Remove nand-mtd for p1010rdb-pb, whick will use mtdparts from u-boot instead of nand-mtd in device tree. Signed-off-by:
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Zhao Qiang authored
P1010rdb-pa and p1010rdb-pb have different phy interrupts. So update dts to adapt to both p1010rdb-pa and p1010rdb-pb. Signed-off-by:
Shengzhou Liu <Shengzhou.Liu@freescale.com> Signed-off-by:
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Joseph Myers authored
The e500 SPE floating-point emulation code is called from SPEFloatingPointException and SPEFloatingPointRoundException in arch/powerpc/kernel/traps.c. Those functions have support for generating SIGFPE, but do_spe_mathemu and speround_handler don't generate a return value to indicate that this should be done. Such a return value should depend on whether an exception is raised that has been set via prctl to generate SIGFPE. This patch adds the relevant logic in these functions so that SIGFPE is generated as expected by the glibc testsuite. Signed-off-by:
Joseph Myers <joseph@codesourcery.com> Signed-off-by:
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Joseph Myers authored
The e500 SPE floating-point emulation code has several problems in how it handles conversions to integer and fixed-point fractional types. There are the following 20 relevant instructions. These can convert to signed or unsigned 32-bit integers, either rounding towards zero (as correct for C casts from floating-point to integer) or according to the current rounding mode, or to signed or unsigned 32-bit fixed-point values (values in the range [-1, 1) or [0, 1)). For conversion from double precision there are also instructions to convert to 64-bit integers, rounding towards zero, although as far as I know those instructions are completely theoretical (they are only defined for implementations that support both SPE and classic 64-bit, and I'm not aware of any such hardware even though the architecture definition permits that combination). #define EFSCTUI 0x2d4 #define EFSCTSI 0x2d5 #define EFSCTUF 0x2d6 #define EFSCTSF 0x2d7 #define EFSCTUIZ 0x2d8 #define EFSCTSIZ 0x2da #define EVFSCTUI 0x294 #define EVFSCTSI 0x295 #define EVFSCTUF 0x296 #define EVFSCTSF 0x297 #define EVFSCTUIZ 0x298 #define EVFSCTSIZ 0x29a #define EFDCTUIDZ 0x2ea #define EFDCTSIDZ 0x2eb #define EFDCTUI 0x2f4 #define EFDCTSI 0x2f5 #define EFDCTUF 0x2f6 #define EFDCTSF 0x2f7 #define EFDCTUIZ 0x2f8 #define EFDCTSIZ 0x2fa The emulation code, for the instructions that come in variants rounding either towards zero or according to the current rounding direction, uses "if (func & 0x4)" as a condition for using _FP_ROUND (otherwise _FP_ROUND_ZERO is used). The condition is correct, but the code it controls isn't. Whether _FP_ROUND or _FP_ROUND_ZERO is used makes no difference, as the effect of those soft-fp macros is to round an intermediate floating-point result using the low three bits (the last one sticky) of the working format. As these operations are dealing with a freshly unpacked floating-point input, those low bits are zero and no rounding occurs. The emulation code then uses the FP_TO_INT_* macros for the actual integer conversion, with the effect of always rounding towards zero; for rounding according to the current rounding direction, it should be using FP_TO_INT_ROUND_*. The instructions in question have semantics defined (in the Power ISA documents) for out-of-range values and NaNs: out-of-range values saturate and NaNs are converted to zero. The emulation does nothing to follow those semantics for NaNs (the soft-fp handling is to treat them as infinities), and messes up the saturation semantics. For single-precision conversion to integers, (((func & 0x3) != 0) || SB_s) is the condition used for doing a signed conversion. The first part is correct, but the second isn't: negative numbers should result in saturation to 0 when converted to unsigned. Double-precision conversion to 64-bit integers correctly uses ((func & 0x1) == 0). Double-precision conversion to 32-bit integers uses (((func & 0x3) != 0) || DB_s), with correct first part and incorrect second part. And vector float conversion to integers uses (((func & 0x3) != 0) || SB0_s) (and similar for the other vector element), where the sign bit check is again wrong. The incorrect handling of negative numbers converted to unsigned was introduced in commit afc0a07d. The rationale given there was a C testcase with cast from float to unsigned int. Conversion of out-of-range floating-point numbers to integer types in C is undefined behavior in the base standard, defined in Annex F to produce an unspecified value. That is, the C testcase used to justify that patch is incorrect - there is no ISO C requirement for a particular value resulting from this conversion - and in any case, the correct semantics for such emulation are the semantics for the instruction (unsigned saturation, which is what it does in hardware when the emulation is disabled). The conversion to fixed-point values has its own problems. That code doesn't try to do a full emulation; it relies on the trap handler only being called for arguments that are infinities, NaNs, subnormal or out of range. That's fine, but the logic ((vb.wp[1] >> 23) == 0xff && ((vb.wp[1] & 0x7fffff) > 0)) for NaN detection won't detect negative NaNs as being NaNs (the same applies for the double-precision case), and subnormals are mapped to 0 rather than respecting the rounding mode; the code should also explicitly raise the "invalid" exception. The code for vectors works by executing the scalar float instruction with the trapping disabled, meaning at least subnormals won't be handled correctly. As well as all those problems in the main emulation code, the rounding handler - used to emulate rounding upward and downward when not supported in hardware and when no higher priority exception occurred - has its own problems. * It gets called in some cases even for the instructions rounding to zero, and then acts according to the current rounding mode when it should just leave alone the truncated result provided by hardware. * It presumes that the result is a single-precision, double-precision or single-precision vector as appropriate for the instruction type, determines the sign of the result accordingly, and then adjusts the result based on that sign and the rounding mode. - In the single-precision cases at least the sign determination for an integer result is the same as for a floating-point result; in the double-precision case, converted to 32-bit integer or fixed point, the sign of a double-precision value is in the high part of the register but it's the low part of the register that has the result of the conversion. - If the result is unsigned fixed-point, its sign may be wrongly determined as negative (does not actually cause problems, because inexact unsigned fixed-point results with the high bit set can only appear when converting from double, in which case the sign determination is instead wrongly using the high part of the register). - If the sign of the result is correctly determined as negative, any adjustment required to change the truncated result to one correct for the rounding mode should be in the opposite direction for two's-complement integers as for sign-magnitude floating-point values. - And if the integer result is zero, the correct sign can only be determined by examining the original operand, and not at all (as far as I can tell) if the operand and result are the same register. This patch fixes all these problems (as far as possible, given the inability to determine the correct sign in the rounding handler when the truncated result is 0, the conversion is to a signed type and the truncated result has overwritten the original operand). Conversion to fixed-point now uses full emulation, and does not use "asm" in the vector case; the semantics are exactly those of converting to integer according to the current rounding direction, once the exponent has been adjusted, so the code makes such an adjustment then uses the FP_TO_INT_ROUND macros. The testcase I used for verifying that the instructions (other than the theoretical conversions to 64-bit integers) produce the correct results is at <http://lkml.org/lkml/2013/10/8/708>. Signed-off-by:
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Joseph Myers authored
On overflow, the math-emu macro _FP_TO_INT_ROUND tries to saturate its result (subject to the value of rsigned specifying the desired overflow semantics). However, if the rounding step has the effect of increasing the exponent so as to cause overflow (if the rounded result is 1 larger than the largest positive value with the given number of bits, allowing for signedness), the overflow does not get detected, meaning that for unsigned results 0 is produced instead of the maximum unsigned integer with the give number of bits, without an exception being raised for overflow, and that for signed results the minimum (negative) value is produced instead of the maximum (positive) value, again without an exception. This patch makes the code check for rounding increasing the exponent and adjusts the exponent value as needed for the overflow check. Signed-off-by:
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Joseph Myers authored
The math-emu macros _FP_TO_INT and _FP_TO_INT_ROUND are supposed to saturate their results for out-of-range arguments, except in the case rsigned == 2 (when instead the low bits of the result are taken). However, in the case rsigned == 0 (converting to unsigned integers), they mistakenly produce 0 for positive results and the maximum unsigned integer for negative results, the opposite of correct unsigned saturation. This patch fixes the logic. Signed-off-by:
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Joseph Myers authored
The e500 SPE floating-point emulation code for the rounding modes rounding to positive or negative infinity (which may not be implemented in hardware) tries to avoid emulating rounding if the result was inexact. However, it tests inexactness using the sticky bit with the cumulative result of previous operations, rather than with the non-sticky bits relating to the operation that generated the interrupt. Furthermore, when a vector operation generates the interrupt, it's possible that only one of the low and high parts is inexact, and so only that part should have rounding emulated. This results in incorrect rounding of exact results in these modes when the sticky bit is set from a previous operation. (I'm not sure why the rounding interrupts are generated at all when the result is exact, but empirically the hardware does generate them.) This patch checks for inexactness using the correct bits of SPEFSCR, and ensures that rounding only occurs when the relevant part of the result was actually inexact. Signed-off-by:
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Joseph Myers authored
The e500 SPE floating-point emulation code clears existing exceptions (__FPU_FPSCR &= ~FP_EX_MASK;) before ORing in the exceptions from the emulated operation. However, these exception bits are the "sticky", cumulative exception bits, and should only be cleared by the user program setting SPEFSCR, not implicitly by any floating-point instruction (whether executed purely by the hardware or emulated). The spurious clearing of these bits shows up as missing exceptions in glibc testing. Fixing this, however, is not as simple as just not clearing the bits, because while the bits may be from previous floating-point operations (in which case they should not be cleared), the processor can also set the sticky bits itself before the interrupt for an exception occurs, and this can happen in cases when IEEE 754 semantics are that the sticky bit should not be set. Specifically, the "invalid" sticky bit is set in various cases with non-finite operands, where IEEE 754 semantics do not involve raising such an exception, and the "underflow" sticky bit is set in cases of exact underflow, whereas IEEE 754 semantics are that this flag is set only for inexact underflow. Thus, for correct emulation the kernel needs to know the setting of these two sticky bits before the instruction being emulated. When a floating-point operation raises an exception, the kernel can note the state of the sticky bits immediately afterwards. Some <fenv.h> functions that affect the state of these bits, such as fesetenv and feholdexcept, need to use prctl with PR_GET_FPEXC and PR_SET_FPEXC anyway, and so it is natural to record the state of those bits during that call into the kernel and so avoid any need for a separate call into the kernel to inform it of a change to those bits. Thus, the interface I chose to use (in this patch and the glibc port) is that one of those prctl calls must be made after any userspace change to those sticky bits, other than through a floating-point operation that traps into the kernel anyway. feclearexcept and fesetexceptflag duly make those calls, which would not be required were it not for this issue. The previous EGLIBC port, and the uClibc code copied from it, is fundamentally broken as regards any use of prctl for floating-point exceptions because it didn't use the PR_FP_EXC_SW_ENABLE bit in its prctl calls (and did various worse things, such as passing a pointer when prctl expected an integer). If you avoid anything where prctl is used, the clearing of sticky bits still means it will never give anything approximating correct exception semantics with existing kernels. I don't believe the patch makes things any worse for existing code that doesn't try to inform the kernel of changes to sticky bits - such code may get incorrect exceptions in some cases, but it would have done so anyway in other cases. Signed-off-by:
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Mihai Caraman authored
LRAT (Logical to Real Address Translation) present in MMU v2 provides hardware translation from a logical page number (LPN) to a real page number (RPN) when tlbwe is executed by a guest or when a page table translation occurs from a guest virtual address. Add LRAT error exception handler to Booke3E 64-bit kernel and the basic KVM handler to avoid build breakage. This is a prerequisite for KVM LRAT support that will follow. Signed-off-by:
Mihai Caraman <mihai.caraman@freescale.com> Signed-off-by:
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- 30 Dec, 2013 15 commits
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Benjamin Herrenschmidt authored
Merge a pile of fixes that went into the "merge" branch (3.13-rc's) such as Anton Little Endian fixes. Signed-off-by:Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Anton Blanchard authored
The SLB save area is shared with the hypervisor and is defined as big endian, so we need to byte swap on little endian builds. Signed-off-by:
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Benjamin Herrenschmidt authored
Anatolij writes: Please pull two DTS fixes for MPC5125 tower board. Without them the v3.13-rcX kernels do not boot.
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Alistair Popple authored
This patch updates the generic iommu backend code to use the it_page_shift field to determine the iommu page size instead of using hardcoded values. Signed-off-by:
Alistair Popple <alistair@popple.id.au> Signed-off-by:
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Alistair Popple authored
This patch adds a it_page_shift field to struct iommu_table and initiliases it to 4K for all platforms. Signed-off-by:
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Alistair Popple authored
The powerpc iommu uses a hardcoded page size of 4K. This patch changes the name of the IOMMU_PAGE_* macros to reflect the hardcoded values. A future patch will use the existing names to support dynamic page sizes. Signed-off-by:
Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by:
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Michael Opdenacker authored
This removes the REDBOOT Kconfig parameter, which was no longer used anywhere in the source code and Makefiles. Signed-off-by:
Michael Opdenacker <michael.opdenacker@free-electrons.com> Signed-off-by:
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Mahesh Salgaonkar authored
With recent machine check patch series changes, The exception vectors starting from 0x4300 are now overflowing with allyesconfig. Fix that by moving machine_check_common and machine_check_handle_early code out of that region to make enough room for exception vector area. Fixes this build error reportes by Stephen: arch/powerpc/kernel/exceptions-64s.S: Assembler messages: arch/powerpc/kernel/exceptions-64s.S:958: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:959: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:983: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:984: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:1003: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:1013: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:1014: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:1015: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:1016: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:1017: Error: attempt to move .org backwards arch/powerpc/kernel/exceptions-64s.S:1018: Error: attempt to move .org backwards [Moved the code further down as it introduced link errors due to too long relative branches to the masked interrupts handlers from the exception prologs. Also removed the useless feature section --BenH ] Signed-off-by:
Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Tested-by:
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Olof Johansson authored
Commit 5c0484e2 ('powerpc: Endian safe trampoline') resulted in losing proper alignment of the spinlock variables used when booting secondary CPUs, causing some quite odd issues with failing to boot on PA Semi-based systems. This showed itself on ppc64_defconfig, but not on pasemi_defconfig, so it had gone unnoticed when I initially tested the LE patch set. Fix is to add explicit alignment instead of relying on good luck. :) [ It appears that there is a different issue with PA Semi systems however this fix is definitely correct so applying anyway -- BenH ] Fixes: 5c0484e2 ('powerpc: Endian safe trampoline') Reported-by:
Christian Zigotzky <chzigotzky@xenosoft.de> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=67811Signed-off-by:
Olof Johansson <olof@lixom.net> Signed-off-by:
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Anton Blanchard authored
p_end is an 8 byte value embedded in the text section. This means it is only 4 byte aligned when it should be 8 byte aligned. Fix this by adding an explicit alignment. This fixes an issue where POWER7 little endian builds with CONFIG_RELOCATABLE=y fail to boot. Signed-off-by:
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Brian W Hart authored
Prevent ioda_eeh_hub_diag() from clobbering itself when called by supplying a per-PHB buffer for P7IOC hub diagnostic data. Take care to inform OPAL of the correct size for the buffer. [Small style change to the use of sizeof -- BenH] Signed-off-by:
Brian W Hart <hartb@linux.vnet.ibm.com> Acked-by:
Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by:
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Brian W Hart authored
PHB diagnostic buffer may be smaller than PAGE_SIZE, especially when PAGE_SIZE > 4KB. Signed-off-by:
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Paul E. McKenney authored
The powerpc 64-bit __copy_tofrom_user() function uses shifts to handle unaligned invocations. However, these shifts were designed for big-endian systems: On little-endian systems, they must shift in the opposite direction. This commit relies on the C preprocessor to insert the correct shifts into the assembly code. [ This is a rare but nasty LE issue. Most of the time we use the POWER7 optimised __copy_tofrom_user_power7 loop, but when it hits an exception we fall back to the base __copy_tofrom_user loop. - Anton ] Signed-off-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by:
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Rajesh B Prathipati authored
The generic put_unaligned/get_unaligned macros were made endian-safe by calling the appropriate endian dependent macros based on the endian type of the powerpc processor. Signed-off-by:
Rajesh B Prathipati <rprathip@linux.vnet.ibm.com> Signed-off-by:
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Michael Neuling authored
In EXCEPTION_PROLOG_COMMON() we check to see if the stack pointer (r1) is valid when coming from the kernel. If it's not valid, we die but with a nice oops message. Currently we allocate a stack frame (subtract INT_FRAME_SIZE) before we check to see if the stack pointer is negative. Unfortunately, this won't detect a bad stack where r1 is less than INT_FRAME_SIZE. This patch fixes the check to compare the modified r1 with -INT_FRAME_SIZE. With this, bad kernel stack pointers (including NULL pointers) are correctly detected again. Kudos to Paulus for finding this. Signed-off-by:
Michael Neuling <mikey@neuling.org> cc: stable@vger.kernel.org Signed-off-by:
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- 20 Dec, 2013 1 commit
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Matteo Facchinetti authored
At the moment the USB controller's pin muxing is not setup correctly and causes a kernel panic upon system startup, so disable the USB1 device tree node in the MPC5125 tower board dts file. The USB controller is connected to an USB3320 ULPI transceiver and the device tree should receive an update to reflect correct dependencies and required initialization data before the USB1 node can get re-enabled. Signed-off-by:
Matteo Facchinetti <matteo.facchinetti@sirius-es.it> Signed-off-by:
Anatolij Gustschin <agust@denx.de>
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- 18 Dec, 2013 1 commit
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Gerhard Sittig authored
the 'soc' node in the MPC5125 "tower" board .dts has an '#interrupt-cells' property although this node is not an interrupt controller remove this erroneously placed property because starting with v3.13-rc1 lookup and resolution of 'interrupts' specs for peripherals gets misled (tries to use the 'soc' as the interrupt parent which fails), emits 'no irq domain found' WARN() messages and breaks the boot process [ best viewed with 'git diff -U5' to have DT node names in the context ] Cc: Anatolij Gustschin <agust@denx.de> Cc: linuxppc-dev@lists.ozlabs.org Cc: devicetree@vger.kernel.org Signed-off-by:
Gerhard Sittig <gsi@denx.de> Signed-off-by:
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