diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-12 09:56:30 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-12 09:56:30 -0700 |
commit | ac3c4aa248c5b5390c40fad1ceb0a15a53f57a36 (patch) | |
tree | a7b09cc6d8a9ec28bfb7d2ab7d280dd8e61bfb5e | |
parent | 0ba1c1950c320fcfdfe3dbc7470884e4a390083c (diff) | |
parent | 3e441845caf1c9591b5b961f34ff1a37d023c9e2 (diff) |
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from James Hogan:
"math-emu:
- Add missing clearing of BLTZALL and BGEZALL emulation counters
- Fix BC1EQZ and BC1NEZ condition handling
- Fix BLEZL and BGTZL identification
BPF:
- Add JIT support for SKF_AD_HATYPE
- Use unsigned access for unsigned SKB fields
- Quit clobbering callee saved registers in JIT code
- Fix multiple problems in JIT skb access helpers
Loongson 3:
- Select MIPS_L1_CACHE_SHIFT_6
Octeon:
- Remove vestiges of CONFIG_CAVIUM_OCTEON_2ND_KERNEL
- Remove unused L2C types and macros.
- Remove unused SLI types and macros.
- Fix compile error when USB is not enabled.
- Octeon: Remove unused PCIERCX types and macros.
- Octeon: Clean up platform code.
SNI:
- Remove recursive include of cpu-feature-overrides.h
Sibyte:
- Export symbol periph_rev to sb1250-mac network driver.
- Fix Kconfig warning.
Generic platform:
- Enable Root FS on NFS in generic_defconfig
SMP-MT:
- Use CPU interrupt controller IPI IRQ domain support
UASM:
- Add support for LHU for uasm.
- Remove needless ISA abstraction
mm:
- Add 48-bit VA space and 4-level page tables for 4K pages.
PCI:
- Add controllers before the specified head
irqchip driver for MIPS CPU:
- Replace magic 0x100 with IE_SW0
- Prepare for non-legacy IRQ domains
- Introduce IPI IRQ domain support
MAINTAINERS:
- Update email-id of Rahul Bedarkar
NET:
- sb1250-mac: Add missing MODULE_LICENSE()
CPUFREQ:
- Loongson2: drop set_cpus_allowed_ptr()
Misc:
- Disable Werror when W= is set
- Opt into HAVE_COPY_THREAD_TLS
- Enable GENERIC_CPU_AUTOPROBE
- Use common outgoing-CPU-notification code
- Remove dead define of ST_OFF
- Remove CONFIG_ARCH_HAS_ILOG2_U{32,64}
- Stengthen IPI IRQ domain sanity check
- Remove confusing else statement in __do_page_fault()
- Don't unnecessarily include kmalloc.h into <asm/cache.h>.
- Delete unused definition of SMP_CACHE_SHIFT.
- Delete redundant definition of SMP_CACHE_BYTES"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (39 commits)
MIPS: Sibyte: Fix Kconfig warning.
MIPS: Sibyte: Export symbol periph_rev to sb1250-mac network driver.
NET: sb1250-mac: Add missing MODULE_LICENSE()
MAINTAINERS: Update email-id of Rahul Bedarkar
MIPS: Remove confusing else statement in __do_page_fault()
MIPS: Stengthen IPI IRQ domain sanity check
MIPS: smp-mt: Use CPU interrupt controller IPI IRQ domain support
irqchip: mips-cpu: Introduce IPI IRQ domain support
irqchip: mips-cpu: Prepare for non-legacy IRQ domains
irqchip: mips-cpu: Replace magic 0x100 with IE_SW0
MIPS: Remove CONFIG_ARCH_HAS_ILOG2_U{32,64}
MIPS: generic: Enable Root FS on NFS in generic_defconfig
MIPS: mach-rm: Remove recursive include of cpu-feature-overrides.h
MIPS: Opt into HAVE_COPY_THREAD_TLS
CPUFREQ: Loongson2: drop set_cpus_allowed_ptr()
MIPS: uasm: Remove needless ISA abstraction
MIPS: Remove dead define of ST_OFF
MIPS: Use common outgoing-CPU-notification code
MIPS: math-emu: Fix BC1EQZ and BC1NEZ condition handling
MIPS: r2-on-r6-emu: Clear BLTZALL and BGEZALL debugfs counters
...
50 files changed, 1209 insertions, 10909 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 12a0b416aa06..6b36037cbe8f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7923,7 +7923,7 @@ L: linux-man@vger.kernel.org S: Maintained MARDUK (CREATOR CI40) DEVICE TREE SUPPORT -M: Rahul Bedarkar <rahul.bedarkar@imgtec.com> +M: Rahul Bedarkar <rahulbedarkar89@gmail.com> L: linux-mips@linux-mips.org S: Maintained F: arch/mips/boot/dts/img/pistachio_marduk.dts diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild index 5c3f688a5232..5cef58651db0 100644 --- a/arch/mips/Kbuild +++ b/arch/mips/Kbuild @@ -1,7 +1,9 @@ # Fail on warnings - also for files referenced in subdirs # -Werror can be disabled for specific files using: # CFLAGS_<file.o> := -Wno-error +ifeq ($(W),) subdir-ccflags-y := -Werror +endif # platform specific definitions include arch/mips/Kbuild.platforms diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 4e9ebf65d071..2828ecde133d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -46,6 +46,7 @@ config MIPS select ARCH_DISCARD_MEMBLOCK select GENERIC_SMP_IDLE_THREAD select BUILDTIME_EXTABLE_SORT + select GENERIC_CPU_AUTOPROBE select GENERIC_CLOCKEVENTS select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC select GENERIC_CMOS_UPDATE @@ -68,6 +69,7 @@ config MIPS select HANDLE_DOMAIN_IRQ select HAVE_EXIT_THREAD select HAVE_REGS_AND_STACK_ACCESS_API + select HAVE_COPY_THREAD_TLS menu "Machine selection" @@ -1039,14 +1041,6 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM bool -config ARCH_HAS_ILOG2_U32 - bool - default n - -config ARCH_HAS_ILOG2_U64 - bool - default n - config GENERIC_HWEIGHT bool default y @@ -1372,6 +1366,7 @@ config CPU_LOONGSON3 select WEAK_ORDERING select WEAK_REORDERING_BEYOND_LLSC select MIPS_PGD_C0_CONTEXT + select MIPS_L1_CACHE_SHIFT_6 select GPIOLIB help The Loongson 3 processor implements the MIPS64R2 instruction @@ -2120,10 +2115,13 @@ config MIPS_VA_BITS_48 bool "48 bits virtual memory" depends on 64BIT help - Support a maximum at least 48 bits of application virtual memory. - Default is 40 bits or less, depending on the CPU. - This option result in a small memory overhead for page tables. - This option is only supported with 16k and 64k page sizes. + Support a maximum at least 48 bits of application virtual + memory. Default is 40 bits or less, depending on the CPU. + For page sizes 16k and above, this option results in a small + memory overhead for page tables. For 4k page size, a fourth + level of page tables is added which imposes both a memory + overhead as well as slower TLB fault handling. + If unsure, say N. choice @@ -2133,7 +2131,6 @@ choice config PAGE_SIZE_4KB bool "4kB" depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 - depends on !MIPS_VA_BITS_48 help This option select the standard 4kB Linux page size. On some R3000-family processors this is the only available page size. Using @@ -2982,6 +2979,7 @@ config HAVE_LATENCYTOP_SUPPORT config PGTABLE_LEVELS int + default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 default 3 if 64BIT && !PAGE_SIZE_64KB default 2 diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 7f975b20b20c..42a97c59200f 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -82,7 +82,7 @@ config CMDLINE_OVERRIDE config SB1XXX_CORELIS bool "Corelis Debugger" depends on SIBYTE_SB1xxx_SOC - select DEBUG_INFO + select DEBUG_INFO if !COMPILE_TEST help Select compile flags that produce code that can be processed by the Corelis mksym utility and UDB Emulator. diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig index c370426a7322..5c0b56203bae 100644 --- a/arch/mips/cavium-octeon/Kconfig +++ b/arch/mips/cavium-octeon/Kconfig @@ -25,15 +25,6 @@ endif # CPU_CAVIUM_OCTEON if CAVIUM_OCTEON_SOC -config CAVIUM_OCTEON_2ND_KERNEL - bool "Build the kernel to be used as a 2nd kernel on the same chip" - default "n" - help - This option configures this kernel to be linked at a different - address and use the 2nd uart for output. This allows a kernel built - with this option to be run at the same time as one built without this - option. - config CAVIUM_OCTEON_LOCK_L2 bool "Lock often used kernel code in the L2" default "y" diff --git a/arch/mips/cavium-octeon/Platform b/arch/mips/cavium-octeon/Platform index 8a301cb12d68..45be853700e6 100644 --- a/arch/mips/cavium-octeon/Platform +++ b/arch/mips/cavium-octeon/Platform @@ -4,8 +4,4 @@ platform-$(CONFIG_CAVIUM_OCTEON_SOC) += cavium-octeon/ cflags-$(CONFIG_CAVIUM_OCTEON_SOC) += \ -I$(srctree)/arch/mips/include/asm/mach-cavium-octeon -ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL -load-$(CONFIG_CAVIUM_OCTEON_SOC) += 0xffffffff84100000 -else load-$(CONFIG_CAVIUM_OCTEON_SOC) += 0xffffffff81100000 -endif diff --git a/arch/mips/cavium-octeon/executive/cvmx-l2c.c b/arch/mips/cavium-octeon/executive/cvmx-l2c.c index 89b5273299ab..f091c9b70603 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-l2c.c +++ b/arch/mips/cavium-octeon/executive/cvmx-l2c.c @@ -4,7 +4,7 @@ * Contact: support@caviumnetworks.com * This file is part of the OCTEON SDK * - * Copyright (c) 2003-2010 Cavium Networks + * Copyright (c) 2003-2017 Cavium, Inc. * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, Version 2, as @@ -239,6 +239,7 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter) else { uint64_t counter = 0; int tad; + for (tad = 0; tad < CVMX_L2C_TADS; tad++) counter += cvmx_read_csr(CVMX_L2C_TADX_PFC0(tad)); return counter; @@ -249,6 +250,7 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter) else { uint64_t counter = 0; int tad; + for (tad = 0; tad < CVMX_L2C_TADS; tad++) counter += cvmx_read_csr(CVMX_L2C_TADX_PFC1(tad)); return counter; @@ -259,6 +261,7 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter) else { uint64_t counter = 0; int tad; + for (tad = 0; tad < CVMX_L2C_TADS; tad++) counter += cvmx_read_csr(CVMX_L2C_TADX_PFC2(tad)); return counter; @@ -270,6 +273,7 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter) else { uint64_t counter = 0; int tad; + for (tad = 0; tad < CVMX_L2C_TADS; tad++) counter += cvmx_read_csr(CVMX_L2C_TADX_PFC3(tad)); return counter; @@ -301,7 +305,7 @@ static void fault_in(uint64_t addr, int len) */ CVMX_DCACHE_INVALIDATE; while (len > 0) { - ACCESS_ONCE(*ptr); + READ_ONCE(*ptr); len -= CVMX_CACHE_LINE_SIZE; ptr += CVMX_CACHE_LINE_SIZE; } @@ -375,7 +379,9 @@ int cvmx_l2c_lock_line(uint64_t addr) if (((union cvmx_l2c_cfg)(cvmx_read_csr(CVMX_L2C_CFG))).s.idxalias) { int alias_shift = CVMX_L2C_IDX_ADDR_SHIFT + 2 * CVMX_L2_SET_BITS - 1; uint64_t addr_tmp = addr ^ (addr & ((1 << alias_shift) - 1)) >> CVMX_L2_SET_BITS; + lckbase.s.lck_base = addr_tmp >> 7; + } else { lckbase.s.lck_base = addr >> 7; } @@ -435,6 +441,7 @@ void cvmx_l2c_flush(void) /* These may look like constants, but they aren't... */ int assoc_shift = CVMX_L2C_TAG_ADDR_ALIAS_SHIFT; int set_shift = CVMX_L2C_IDX_ADDR_SHIFT; + for (set = 0; set < n_set; set++) { for (assoc = 0; assoc < n_assoc; assoc++) { address = CVMX_ADD_SEG(CVMX_MIPS_SPACE_XKPHYS, @@ -519,89 +526,49 @@ int cvmx_l2c_unlock_mem_region(uint64_t start, uint64_t len) union __cvmx_l2c_tag { uint64_t u64; struct cvmx_l2c_tag_cn50xx { -#ifdef __BIG_ENDIAN_BITFIELD - uint64_t reserved:40; - uint64_t V:1; /* Line valid */ - uint64_t D:1; /* Line dirty */ - uint64_t L:1; /* Line locked */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t addr:20; /* Phys mem addr (33..14) */ -#else - uint64_t addr:20; /* Phys mem addr (33..14) */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t L:1; /* Line locked */ - uint64_t D:1; /* Line dirty */ - uint64_t V:1; /* Line valid */ - uint64_t reserved:40; -#endif + __BITFIELD_FIELD(uint64_t reserved:40, + __BITFIELD_FIELD(uint64_t V:1, /* Line valid */ + __BITFIELD_FIELD(uint64_t D:1, /* Line dirty */ + __BITFIELD_FIELD(uint64_t L:1, /* Line locked */ + __BITFIELD_FIELD(uint64_t U:1, /* Use, LRU eviction */ + __BITFIELD_FIELD(uint64_t addr:20, /* Phys addr (33..14) */ + ;)))))) } cn50xx; struct cvmx_l2c_tag_cn30xx { -#ifdef __BIG_ENDIAN_BITFIELD - uint64_t reserved:41; - uint64_t V:1; /* Line valid */ - uint64_t D:1; /* Line dirty */ - uint64_t L:1; /* Line locked */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t addr:19; /* Phys mem addr (33..15) */ -#else - uint64_t addr:19; /* Phys mem addr (33..15) */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t L:1; /* Line locked */ - uint64_t D:1; /* Line dirty */ - uint64_t V:1; /* Line valid */ - uint64_t reserved:41; -#endif + __BITFIELD_FIELD(uint64_t reserved:41, + __BITFIELD_FIELD(uint64_t V:1, /* Line valid */ + __BITFIELD_FIELD(uint64_t D:1, /* Line dirty */ + __BITFIELD_FIELD(uint64_t L:1, /* Line locked */ + __BITFIELD_FIELD(uint64_t U:1, /* Use, LRU eviction */ + __BITFIELD_FIELD(uint64_t addr:19, /* Phys addr (33..15) */ + ;)))))) } cn30xx; struct cvmx_l2c_tag_cn31xx { -#ifdef __BIG_ENDIAN_BITFIELD - uint64_t reserved:42; - uint64_t V:1; /* Line valid */ - uint64_t D:1; /* Line dirty */ - uint64_t L:1; /* Line locked */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t addr:18; /* Phys mem addr (33..16) */ -#else - uint64_t addr:18; /* Phys mem addr (33..16) */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t L:1; /* Line locked */ - uint64_t D:1; /* Line dirty */ - uint64_t V:1; /* Line valid */ - uint64_t reserved:42; -#endif + __BITFIELD_FIELD(uint64_t reserved:42, + __BITFIELD_FIELD(uint64_t V:1, /* Line valid */ + __BITFIELD_FIELD(uint64_t D:1, /* Line dirty */ + __BITFIELD_FIELD(uint64_t L:1, /* Line locked */ + __BITFIELD_FIELD(uint64_t U:1, /* Use, LRU eviction */ + __BITFIELD_FIELD(uint64_t addr:18, /* Phys addr (33..16) */ + ;)))))) } cn31xx; struct cvmx_l2c_tag_cn38xx { -#ifdef __BIG_ENDIAN_BITFIELD - uint64_t reserved:43; - uint64_t V:1; /* Line valid */ - uint64_t D:1; /* Line dirty */ - uint64_t L:1; /* Line locked */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t addr:17; /* Phys mem addr (33..17) */ -#else - uint64_t addr:17; /* Phys mem addr (33..17) */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t L:1; /* Line locked */ - uint64_t D:1; /* Line dirty */ - uint64_t V:1; /* Line valid */ - uint64_t reserved:43; -#endif + __BITFIELD_FIELD(uint64_t reserved:43, + __BITFIELD_FIELD(uint64_t V:1, /* Line valid */ + __BITFIELD_FIELD(uint64_t D:1, /* Line dirty */ + __BITFIELD_FIELD(uint64_t L:1, /* Line locked */ + __BITFIELD_FIELD(uint64_t U:1, /* Use, LRU eviction */ + __BITFIELD_FIELD(uint64_t addr:17, /* Phys addr (33..17) */ + ;)))))) } cn38xx; struct cvmx_l2c_tag_cn58xx { -#ifdef __BIG_ENDIAN_BITFIELD - uint64_t reserved:44; - uint64_t V:1; /* Line valid */ - uint64_t D:1; /* Line dirty */ - uint64_t L:1; /* Line locked */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t addr:16; /* Phys mem addr (33..18) */ -#else - uint64_t addr:16; /* Phys mem addr (33..18) */ - uint64_t U:1; /* Use, LRU eviction */ - uint64_t L:1; /* Line locked */ - uint64_t D:1; /* Line dirty */ - uint64_t V:1; /* Line valid */ - uint64_t reserved:44; -#endif + __BITFIELD_FIELD(uint64_t reserved:44, + __BITFIELD_FIELD(uint64_t V:1, /* Line valid */ + __BITFIELD_FIELD(uint64_t D:1, /* Line dirty */ + __BITFIELD_FIELD(uint64_t L:1, /* Line locked */ + __BITFIELD_FIELD(uint64_t U:1, /* Use, LRU eviction */ + __BITFIELD_FIELD(uint64_t addr:16, /* Phys addr (33..18) */ + ;)))))) } cn58xx; struct cvmx_l2c_tag_cn58xx cn56xx; /* 2048 sets */ struct cvmx_l2c_tag_cn31xx cn52xx; /* 512 sets */ @@ -629,8 +596,8 @@ static union __cvmx_l2c_tag __read_l2_tag(uint64_t assoc, uint64_t index) union __cvmx_l2c_tag tag_val; uint64_t dbg_addr = CVMX_L2C_DBG; unsigned long flags; - union cvmx_l2c_dbg debug_val; + debug_val.u64 = 0; /* * For low core count parts, the core number is always small @@ -683,8 +650,8 @@ static union __cvmx_l2c_tag __read_l2_tag(uint64_t assoc, uint64_t index) union cvmx_l2c_tag cvmx_l2c_get_tag(uint32_t association, uint32_t index) { union cvmx_l2c_tag tag; - tag.u64 = 0; + tag.u64 = 0; if ((int)association >= cvmx_l2c_get_num_assoc()) { cvmx_dprintf("ERROR: cvmx_l2c_get_tag association out of range\n"); return tag; @@ -767,10 +734,12 @@ uint32_t cvmx_l2c_address_to_index(uint64_t addr) if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) { union cvmx_l2c_ctl l2c_ctl; + l2c_ctl.u64 = cvmx_read_csr(CVMX_L2C_CTL); indxalias = !l2c_ctl.s.disidxalias; } else { union cvmx_l2c_cfg l2c_cfg; + l2c_cfg.u64 = cvmx_read_csr(CVMX_L2C_CFG); indxalias = l2c_cfg.s.idxalias; } @@ -778,6 +747,7 @@ uint32_t cvmx_l2c_address_to_index(uint64_t addr) if (indxalias) { if (OCTEON_IS_MODEL(OCTEON_CN63XX)) { uint32_t a_14_12 = (idx / (CVMX_L2C_MEMBANK_SELECT_SIZE/(1<<CVMX_L2C_IDX_ADDR_SHIFT))) & 0x7; + idx ^= idx / cvmx_l2c_get_num_sets(); idx ^= a_14_12; } else { @@ -801,6 +771,7 @@ int cvmx_l2c_get_cache_size_bytes(void) int cvmx_l2c_get_set_bits(void) { int l2_set_bits; + if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN58XX)) l2_set_bits = 11; /* 2048 sets */ else if (OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN63XX)) @@ -828,6 +799,7 @@ int cvmx_l2c_get_num_sets(void) int cvmx_l2c_get_num_assoc(void) { int l2_assoc; + if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || @@ -869,16 +841,17 @@ int cvmx_l2c_get_num_assoc(void) else if (mio_fus_dat3.s.l2c_crip == 1) l2_assoc = 12; } else { - union cvmx_l2d_fus3 val; - val.u64 = cvmx_read_csr(CVMX_L2D_FUS3); + uint64_t l2d_fus3; + + l2d_fus3 = cvmx_read_csr(CVMX_L2D_FUS3); /* * Using shifts here, as bit position names are * different for each model but they all mean the * same. */ - if ((val.u64 >> 35) & 0x1) + if ((l2d_fus3 >> 35) & 0x1) l2_assoc = l2_assoc >> 2; - else if ((val.u64 >> 34) & 0x1) + else if ((l2d_fus3 >> 34) & 0x1) l2_assoc = l2_assoc >> 1; } return l2_assoc; diff --git a/arch/mips/cavium-octeon/executive/octeon-model.c b/arch/mips/cavium-octeon/executive/octeon-model.c index d08a2bce653c..341052387b49 100644 --- a/arch/mips/cavium-octeon/executive/octeon-model.c +++ b/arch/mips/cavium-octeon/executive/octeon-model.c @@ -4,7 +4,7 @@ * Contact: support@caviumnetworks.com * This file is part of the OCTEON SDK * - * Copyright (c) 2003-2010 Cavium Networks + * Copyright (c) 2003-2017 Cavium, Inc. * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, Version 2, as @@ -63,16 +63,15 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id, char pass[4]; int clock_mhz; const char *suffix; - union cvmx_l2d_fus3 fus3; int num_cores; union cvmx_mio_fus_dat2 fus_dat2; union cvmx_mio_fus_dat3 fus_dat3; char fuse_model[10]; uint32_t fuse_data = 0; + uint64_t l2d_fus3 = 0; - fus3.u64 = 0; if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX)) - fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3); + l2d_fus3 = (cvmx_read_csr(CVMX_L2D_FUS3) >> 34) & 0x3; fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2); fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3); num_cores = cvmx_octeon_num_cores(); @@ -192,7 +191,7 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id, /* Now figure out the family, the first two digits */ switch ((chip_id >> 8) & 0xff) { case 0: /* CN38XX, CN37XX or CN36XX */ - if (fus3.cn38xx.crip_512k) { + if (l2d_fus3) { /* * For some unknown reason, the 16 core one is * called 37 instead of 36. @@ -223,7 +222,7 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id, } break; case 1: /* CN31XX or CN3020 */ - if ((chip_id & 0x10) || fus3.cn31xx.crip_128k) + if ((chip_id & 0x10) || l2d_fus3) family = "30"; else family = "31"; @@ -246,7 +245,7 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id, case 2: /* CN3010 or CN3005 */ family = "30"; /* A chip with half cache is an 05 */ - if (fus3.cn30xx.crip_64k) + if (l2d_fus3) core_model = "05"; /* * This series of chips didn't follow the standard @@ -267,7 +266,7 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id, case 3: /* CN58XX */ family = "58"; /* Special case. 4 core, half cache (CP with half cache) */ - if ((num_cores == 4) && fus3.cn58xx.crip_1024k && !strncmp(suffix, "CP", 2)) + if ((num_cores == 4) && l2d_fus3 && !strncmp(suffix, "CP", 2)) core_model = "29"; /* Pass 1 uses different encodings for pass numbers */ @@ -290,7 +289,7 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id, break; case 4: /* CN57XX, CN56XX, CN55XX, CN54XX */ if (fus_dat2.cn56xx.raid_en) { - if (fus3.cn56xx.crip_1024k) + if (l2d_fus3) family = "55"; else family = "57"; @@ -309,7 +308,7 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id, if (fus_dat3.cn56xx.bar2_en) suffix = "NSPB2"; } - if (fus3.cn56xx.crip_1024k) + if (l2d_fus3) family = "54"; else family = "56"; @@ -319,7 +318,7 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id, family = "50"; break; case 7: /* CN52XX */ - if (fus3.cn52xx.crip_256k) + if (l2d_fus3) family = "51"; else family = "52"; diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index 3375e61daa19..8505db478904 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -3,71 +3,27 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004-2016 Cavium Networks + * Copyright (C) 2004-2017 Cavium, Inc. * Copyright (C) 2008 Wind River Systems */ -#include <linux/init.h> -#include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/of_platform.h> #include <linux/of_fdt.h> #include <linux/libfdt.h> -#include <linux/usb/ehci_def.h> -#include <linux/usb/ehci_pdriver.h> -#include <linux/usb/ohci_pdriver.h> #include <asm/octeon/octeon.h> #include <asm/octeon/cvmx-helper-board.h> + +#ifdef CONFIG_USB +#include <linux/usb/ehci_def.h> +#include <linux/usb/ehci_pdriver.h> +#include <linux/usb/ohci_pdriver.h> #include <asm/octeon/cvmx-uctlx-defs.h> #define CVMX_UAHCX_EHCI_USBCMD (CVMX_ADD_IO_SEG(0x00016F0000000010ull)) #define CVMX_UAHCX_OHCI_USBCMD (CVMX_ADD_IO_SEG(0x00016F0000000408ull)) -/* Octeon Random Number Generator. */ -static int __init octeon_rng_device_init(void) -{ - struct platform_device *pd; - int ret = 0; - - struct resource rng_resources[] = { - { - .flags = IORESOURCE_MEM, - .start = XKPHYS_TO_PHYS(CVMX_RNM_CTL_STATUS), - .end = XKPHYS_TO_PHYS(CVMX_RNM_CTL_STATUS) + 0xf - }, { - .flags = IORESOURCE_MEM, - .start = cvmx_build_io_address(8, 0), - .end = cvmx_build_io_address(8, 0) + 0x7 - } - }; - - pd = platform |