diff options
58 files changed, 572 insertions, 470 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 033ac91da07a81..b1c6c7036c1c9a 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -132,16 +132,6 @@ Who: NeilBrown <neilb@suse.de> --------------------------- -What: au1x00_uart driver -When: January 2006 -Why: The 8250 serial driver now has the ability to deal with the differences - between the standard 8250 family of UARTs and their slightly strange - brother on Alchemy SOCs. The loss of features is not considered an - issue. -Who: Ralf Baechle <ralf@linux-mips.org> - ---------------------------- - What: eepro100 network driver When: January 2007 Why: replaced by the e100 driver @@ -234,3 +224,47 @@ Why: The interface no longer has any callers left in the kernel. It Who: Nick Piggin <npiggin@suse.de> --------------------------- + +What: Support for the MIPS EV96100 evaluation board +When: September 2006 +Why: Does no longer build since at least November 15, 2003, apparently + no userbase left. +Who: Ralf Baechle <ralf@linux-mips.org> + +--------------------------- + +What: Support for the Momentum / PMC-Sierra Jaguar ATX evaluation board +When: September 2006 +Why: Does no longer build since quite some time, and was never popular, + due to the platform being replaced by successor models. Apparently + no user base left. It also is one of the last users of + WANT_PAGE_VIRTUAL. +Who: Ralf Baechle <ralf@linux-mips.org> + +--------------------------- + +What: Support for the Momentum Ocelot, Ocelot 3, Ocelot C and Ocelot G +When: September 2006 +Why: Some do no longer build and apparently there is no user base left + for these platforms. +Who: Ralf Baechle <ralf@linux-mips.org> + +--------------------------- + +What: Support for MIPS Technologies' Altas and SEAD evaluation board +When: September 2006 +Why: Some do no longer build and apparently there is no user base left + for these platforms. Hardware out of production since several years. +Who: Ralf Baechle <ralf@linux-mips.org> + +--------------------------- + +What: Support for the IT8172-based platforms, ITE 8172G and Globespan IVR +When: September 2006 +Why: Code does no longer build since at least 2.6.0, apparently there is + no user base left for these platforms. Hardware out of production + since several years and hardly a trace of the manufacturer left on + the net. +Who: Ralf Baechle <ralf@linux-mips.org> + +--------------------------- diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 08c2ece4ae4053..747a9c1228f247 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -308,6 +308,7 @@ config MIPS_ATLAS select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL help This enables support for the MIPS Technologies Atlas evaluation board. @@ -324,6 +325,7 @@ config MIPS_MALTA select I8259 select MIPS_BOARDS_GEN select MIPS_BONITO64 + select MIPS_CPU_SCACHE select MIPS_GT64120 select MIPS_MSC select SWAP_IO_SPACE @@ -336,6 +338,7 @@ config MIPS_MALTA select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_MULTITHREADING help This enables support for the MIPS Technologies Malta evaluation board. @@ -358,7 +361,7 @@ config MIPS_SEAD board. config WR_PPMC - bool "Support for Wind River PPMC board" + bool "Wind River PPMC board" select IRQ_CPU select BOOT_ELF32 select DMA_NONCOHERENT @@ -536,6 +539,7 @@ config PMC_YOSEMITE select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_SMP help Yosemite is an evaluation board for the RM9000x2 processor manufactured by PMC-Sierra. @@ -590,6 +594,7 @@ config SGI_IP22 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_SMP help This are the SGI Indy, Challenge S and Indigo2, as well as certain OEM variants like the Tandem CMN B006S. To compile a Linux kernel @@ -601,6 +606,7 @@ config SGI_IP27 select ARC64 select BOOT_ELF64 select DMA_IP27 + select EARLY_PRINTK select HW_HAS_PCI select PCI_DOMAINS select SYS_HAS_CPU_R10000 @@ -1249,7 +1255,7 @@ config CPU_R6000 select CPU_SUPPORTS_32BIT_KERNEL help MIPS Technologies R6000 and R6000A series processors. Note these - processors are extremly rare and the support for them is incomplete. + processors are extremely rare and the support for them is incomplete. config CPU_NEVADA bool "RM52xx" @@ -1370,7 +1376,7 @@ config SYS_HAS_CPU_SB1 endmenu # -# These two indicate any levelof the MIPS32 and MIPS64 architecture +# These two indicate any level of the MIPS32 and MIPS64 architecture # config CPU_MIPS32 bool @@ -1381,7 +1387,7 @@ config CPU_MIPS64 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 # -# These two indicate the revision of the architecture, either 32 bot 64 bit. +# These two indicate the revision of the architecture, either Release 1 or Release 2 # config CPU_MIPSR1 bool @@ -1474,6 +1480,13 @@ config IP22_CPU_SCACHE bool select BOARD_SCACHE +# +# Support for a MIPS32 / MIPS64 style S-caches +# +config MIPS_CPU_SCACHE + bool + select BOARD_SCACHE + config R5000_CPU_SCACHE bool select BOARD_SCACHE @@ -1493,32 +1506,57 @@ config SIBYTE_DMA_PAGEOPS config CPU_HAS_PREFETCH bool -config MIPS_MT - bool "Enable MIPS MT" - choice prompt "MIPS MT options" - depends on MIPS_MT + +config MIPS_MT_DISABLED + bool "Disable multithreading support." + help + Use this option if your workload can't take advantage of + MIPS hardware multithreading support. On systems that don't have + the option of an MT-enabled processor this option will be the only + option in this menu. config MIPS_MT_SMTC bool "SMTC: Use all TCs on all VPEs for SMP" + depends on CPU_MIPS32_R2 + #depends on CPU_MIPS64_R2 # once there is hardware ... + depends on SYS_SUPPORTS_MULTITHREADING select CPU_MIPSR2_IRQ_VI select CPU_MIPSR2_SRS + select MIPS_MT select SMP + help + This is a kernel model which is known a SMTC or lately has been + marketesed into SMVP. config MIPS_MT_SMP bool "Use 1 TC on each available VPE for SMP" + depends on SYS_SUPPORTS_MULTITHREADING + select CPU_MIPSR2_IRQ_VI + select CPU_MIPSR2_SRS + select MIPS_MT select SMP + help + This is a kernel model which is also known a VSMP or lately + has been marketesed into SMVP. config MIPS_VPE_LOADER bool "VPE loader support." - depends on MIPS_MT + depends on SYS_SUPPORTS_MULTITHREADING + select MIPS_MT help Includes a loader for loading an elf relocatable object onto another VPE and running it. endchoice +config MIPS_MT + bool + +config SYS_SUPPORTS_MULTITHREADING + bool + config MIPS_MT_FPAFF bool "Dynamic FPU affinity for FP-intensive threads" depends on MIPS_MT @@ -1575,32 +1613,23 @@ config CPU_HAS_LLSC config CPU_HAS_WB bool +# +# Vectored interrupt mode is an R2 feature +# config CPU_MIPSR2_IRQ_VI - bool "Vectored interrupt mode" - depends on CPU_MIPSR2 - help - Vectored interrupt mode allowing faster dispatching of interrupts. - The board support code needs to be written to take advantage of this - mode. Compatibility code is included to allow the kernel to run on - a CPU that does not support vectored interrupts. It's safe to - say Y here. + bool +# +# Extended interrupt mode is an R2 feature +# config CPU_MIPSR2_IRQ_EI - bool "External interrupt controller mode" - depends on CPU_MIPSR2 - help - Extended interrupt mode takes advantage of an external interrupt - controller to allow fast dispatching from many possible interrupt - sources. Say N unless you know that external interrupt support is - required. + bool +# +# Shadow registers are an R2 feature +# config CPU_MIPSR2_SRS - bool "Make shadow set registers available for interrupt handlers" - depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI - help - Allow the kernel to use shadow register sets for fast interrupts. - Interrupt handlers must be specially written to use shadow sets. - Say N unless you know that shadow register set upport is needed. + bool config CPU_HAS_SYNC bool @@ -1681,8 +1710,8 @@ source "mm/Kconfig" config SMP bool "Multi-Processing support" - depends on CPU_RM9000 || ((SIBYTE_BCM1x80 || SIBYTE_BCM1x55 || SIBYTE_SB1250 || QEMU) && !SIBYTE_STANDALONE) || SGI_IP27 || MIPS_MT_SMP || MIPS_MT_SMTC - ---help--- + depends on SYS_SUPPORTS_SMP + help This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If you have a system with more than one CPU, say Y. @@ -1701,6 +1730,9 @@ config SMP If you don't know what to do here, say N. +config SYS_SUPPORTS_SMP + bool + config NR_CPUS int "Maximum number of CPUs (2-64)" range 2 64 diff --git a/arch/mips/Makefile b/arch/mips/Makefile index d5930148495a85..ebbb9adc0e2fb0 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -374,6 +374,7 @@ core-$(CONFIG_PMC_YOSEMITE) += arch/mips/pmc-sierra/yosemite/ cflags-$(CONFIG_PMC_YOSEMITE) += -Iinclude/asm-mips/mach-yosemite load-$(CONFIG_PMC_YOSEMITE) += 0xffffffff80100000 +# # Qemu simulating MIPS32 4Kc # core-$(CONFIG_QEMU) += arch/mips/qemu/ diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c index 6ee090bd86c9a7..a547e47dd5fd42 100644 --- a/arch/mips/au1000/common/dbdma.c +++ b/arch/mips/au1000/common/dbdma.c @@ -290,7 +290,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, /* If kmalloc fails, it is caught below same * as a channel not available. */ - ctp = kmalloc(sizeof(chan_tab_t), GFP_KERNEL); + ctp = kmalloc(sizeof(chan_tab_t), GFP_ATOMIC); chan_tab_ptr[i] = ctp; break; } @@ -730,6 +730,8 @@ au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes) return rv; } +EXPORT_SYMBOL_GPL(au1xxx_dbdma_get_dest); + void au1xxx_dbdma_stop(u32 chanid) { @@ -821,6 +823,8 @@ au1xxx_get_dma_residue(u32 chanid) return rv; } +EXPORT_SYMBOL_GPL(au1xxx_get_dma_residue); + void au1xxx_dbdma_chan_free(u32 chanid) { diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index da74ac21954bb5..12d6edee895eff 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -585,13 +585,13 @@ void intc1_req1_irqdispatch(struct pt_regs *regs) * au_sleep function in power.c.....maybe I should just pm_register() * them instead? */ -static uint sleep_intctl_config0[2]; -static uint sleep_intctl_config1[2]; -static uint sleep_intctl_config2[2]; -static uint sleep_intctl_src[2]; -static uint sleep_intctl_assign[2]; -static uint sleep_intctl_wake[2]; -static uint sleep_intctl_mask[2]; +static unsigned int sleep_intctl_config0[2]; +static unsigned int sleep_intctl_config1[2]; +static unsigned int sleep_intctl_config2[2]; +static unsigned int sleep_intctl_src[2]; +static unsigned int sleep_intctl_assign[2]; +static unsigned int sleep_intctl_wake[2]; +static unsigned int sleep_intctl_mask[2]; void save_au1xxx_intctl(void) diff --git a/arch/mips/au1000/common/power.c b/arch/mips/au1000/common/power.c index f4926315fb683f..b035513fe30a78 100644 --- a/arch/mips/au1000/common/power.c +++ b/arch/mips/au1000/common/power.c @@ -80,17 +80,17 @@ static DEFINE_SPINLOCK(pm_lock); * We only have to save/restore registers that aren't otherwise * done as part of a driver pm_* function. */ -static uint sleep_aux_pll_cntrl; -static uint sleep_cpu_pll_cntrl; -static uint sleep_pin_function; -static uint sleep_uart0_inten; -static uint sleep_uart0_fifoctl; -static uint sleep_uart0_linectl; -static uint sleep_uart0_clkdiv; -static uint sleep_uart0_enable; -static uint sleep_usbhost_enable; -static uint sleep_usbdev_enable; -static uint sleep_static_memctlr[4][3]; +static unsigned int sleep_aux_pll_cntrl; +static unsigned int sleep_cpu_pll_cntrl; +static unsigned int sleep_pin_function; +static unsigned int sleep_uart0_inten; +static unsigned int sleep_uart0_fifoctl; +static unsigned int sleep_uart0_linectl; +static unsigned int sleep_uart0_clkdiv; +static unsigned int sleep_uart0_enable; +static unsigned int sleep_usbhost_enable; +static unsigned int sleep_usbdev_enable; +static unsigned int sleep_static_memctlr[4][3]; /* Define this to cause the value you write to /proc/sys/pm/sleep to * set the TOY timer for the amount of time you want to sleep. diff --git a/arch/mips/au1000/csb250/init.c b/arch/mips/au1000/csb250/init.c index a4898b1bc66adc..83f1b31a0b8e9d 100644 --- a/arch/mips/au1000/csb250/init.c +++ b/arch/mips/au1000/csb250/init.c @@ -65,9 +65,9 @@ int __init prom_init(int argc, char **argv, char **envp, int *prom_vec) /* We use a0 and a1 to pass initrd start and size. */ - if (((uint) argc > 0) && ((uint)argv > 0)) { - my_initrd_start = (uint)argc; - my_initrd_size = (uint)argv; + if (((unsigned int) argc > 0) && ((uint)argv > 0)) { + my_initrd_start = (unsigned int)argc; + my_initrd_size = (unsigned int)argv; } /* First argv is ignored. diff --git a/arch/mips/basler/excite/excite_setup.c b/arch/mips/basler/excite/excite_setup.c index 005b025605e6da..3d7670edd5cd50 100644 --- a/arch/mips/basler/excite/excite_setup.c +++ b/arch/mips/basler/excite/excite_setup.c @@ -254,7 +254,7 @@ static int __init excite_platform_init(void) return 0; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { volatile u32 * const boot_ocd_base = (u32 *) 0xbf7fc000; diff --git a/arch/mips/ddb5xxx/common/prom.c b/arch/mips/ddb5xxx/common/prom.c index 00c62c1c28a35b..20c845c84d4b49 100644 --- a/arch/mips/ddb5xxx/common/prom.c +++ b/arch/mips/ddb5xxx/common/prom.c @@ -21,8 +21,6 @@ const char *get_system_type(void) { switch (mips_machtype) { - case MACH_NEC_DDB5074: return "NEC DDB Vrc-5074"; - case MACH_NEC_DDB5476: return "NEC DDB Vrc-5476"; case MACH_NEC_DDB5477: return "NEC DDB Vrc-5477"; case MACH_NEC_ROCKHOPPER: return "NEC Rockhopper"; case MACH_NEC_ROCKHOPPERII: return "NEC RockhopperII"; diff --git a/arch/mips/gt64120/common/Makefile b/arch/mips/gt64120/common/Makefile index eba5051015a5b4..1ef676e22ab487 100644 --- a/arch/mips/gt64120/common/Makefile +++ b/arch/mips/gt64120/common/Makefile @@ -3,4 +3,3 @@ # obj-y += time.o -obj-$(CONFIG_PCI) += pci.o diff --git a/arch/mips/gt64120/common/pci.c b/arch/mips/gt64120/common/pci.c deleted file mode 100644 index e9e5419a0d537b..00000000000000 --- a/arch/mips/gt64120/common/pci.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * Galileo Evaluation Boards PCI support. - * - * The general-purpose functions to read/write and configure the GT64120A's - * PCI registers (function names start with pci0 or pci1) are either direct - * copies of functions written by Galileo Technology, or are modifications - * of their functions to work with Linux 2.4 vs Linux 2.2. These functions - * are Copyright - Galileo Technology. - * - * Other functions are derived from other MIPS PCI implementations, or were - * written by RidgeRun, Inc, Copyright (C) 2000 RidgeRun, Inc. - * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#include <linux/init.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <asm/gt64120.h> - -#define SELF 0 - -/* - * pciXReadConfigReg - Read from a PCI configuration register - * - Make sure the GT is configured as a master before - * reading from another device on the PCI. - * - The function takes care of Big/Little endian conversion. - * INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI - * spec) - * pciDevNum: The device number needs to be addressed. - * RETURNS: data , if the data == 0xffffffff check the master abort bit in the - * cause register to make sure the data is valid - * - * Configuration Address 0xCF8: - * - * 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number - * |congif|Reserved| Bus |Device|Function|Register|00| - * |Enable| |Number|Number| Number | Number | | <=field Name - * - */ -static unsigned int pci0ReadConfigReg(int offset, struct pci_dev *device) -{ - unsigned int DataForRegCf8; - unsigned int data; - - DataForRegCf8 = ((PCI_SLOT(device->devfn) << 11) | - (PCI_FUNC(device->devfn) << 8) | - (offset & ~0x3)) | 0x80000000; - GT_WRITE(GT_PCI0_CFGADDR_OFS, DataForRegCf8); - - /* - * The casual observer might wonder why the READ is duplicated here, - * rather than immediately following the WRITE, and just have the swap - * in the "if". That's because there is a latency problem with trying - * to read immediately after setting up the address register. The "if" - * check gives enough time for the address to stabilize, so the READ - * can work. - */ - if (PCI_SLOT(device->devfn) == SELF) /* This board */ - return GT_READ(GT_PCI0_CFGDATA_OFS); - else /* PCI is little endian so swap the Data. */ - return __GT_READ(GT_PCI0_CFGDATA_OFS); -} - -/* - * pciXWriteConfigReg - Write to a PCI configuration register - * - Make sure the GT is configured as a master before - * writingto another device on the PCI. - * - The function takes care of Big/Little endian conversion. - * Inputs: unsigned int regOffset: The register offset as it apears in the - * GT spec - * (or any other PCI device spec) - * pciDevNum: The device number needs to be addressed. - * - * Configuration Address 0xCF8: - * - * 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number - * |congif|Reserved| Bus |Device|Function|Register|00| - * |Enable| |Number|Number| Number | Number | | <=field Name - * - */ -static void pci0WriteConfigReg(unsigned int offset, - struct pci_dev *device, unsigned int data) -{ - unsigned int DataForRegCf8; - - DataForRegCf8 = ((PCI_SLOT(device->devfn) << 11) | - (PCI_FUNC(device->devfn) << 8) | - (offset & ~0x3)) | 0x80000000; - GT_WRITE(GT_PCI0_CFGADDR_OFS, DataForRegCf8); - - if (PCI_SLOT(device->devfn) == SELF) /* This board */ - GT_WRITE(GT_PCI0_CFGDATA_OFS, data); - else /* configuration Transaction over the pci. */ - __GT_WRITE(GT_PCI0_CFGDATA_OFS, data); -} - -extern struct pci_ops gt64120_pci_ops; - -void __init pcibios_init(void) -{ - u32 tmp; - struct pci_dev controller; - - controller.devfn = SELF; - - tmp = GT_READ(GT_PCI0_CMD_OFS); /* Huh??? -- Ralf */ - tmp = GT_READ(GT_PCI0_BARE_OFS); - - /* - * You have to enable bus mastering to configure any other - * card on the bus. - */ - tmp = pci0ReadConfigReg(PCI_COMMAND, &controller); - tmp |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_SERR; - pci0WriteConfigReg(PCI_COMMAND, &controller, tmp); - - /* - * Reset PCI I/O and PCI MEM values to ones supported by EVM. - */ - ioport_resource.start = GT_PCI_IO_BASE; - ioport_resource.end = GT_PCI_IO_BASE + GT_PCI_IO_SIZE - 1; - iomem_resource.start = GT_PCI_MEM_BASE; - iomem_resource.end = GT_PCI_MEM_BASE + GT_PCI_MEM_SIZE - 1; - - pci_scan_bus(0, >64120_pci_ops, NULL); -} diff --git a/arch/mips/gt64120/momenco_ocelot/setup.c b/arch/mips/gt64120/momenco_ocelot/setup.c index 1193a22c469376..9804642ecf8945 100644 --- a/arch/mips/gt64120/momenco_ocelot/setup.c +++ b/arch/mips/gt64120/momenco_ocelot/setup.c @@ -164,8 +164,8 @@ void __init plat_mem_setup(void) pm_power_off = momenco_ocelot_power_off; /* - * initrd_start = (ulong)ocelot_initrd_start; - * initrd_end = (ulong)ocelot_initrd_start + (ulong)ocelot_initrd_size; + * initrd_start = (unsigned long)ocelot_initrd_start; + * initrd_end = (unsigned long)ocelot_initrd_start + (ulong)ocelot_initrd_size; * initrd_below_start_ok = 1; */ diff --git a/arch/mips/gt64120/wrppmc/Makefile b/arch/mips/gt64120/wrppmc/Makefile index 72606b9af12a92..7cf52205511cca 100644 --- a/arch/mips/gt64120/wrppmc/Makefile +++ b/arch/mips/gt64120/wrppmc/Makefile @@ -9,6 +9,6 @@ # Makefile for the Wind River MIPS 4KC PPMC Eval Board # -obj-y += int-handler.o irq.o reset.o setup.o time.o pci.o +obj-y += irq.o reset.o setup.o time.o pci.o EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/gt64120/wrppmc/int-handler.S b/arch/mips/gt64120/wrppmc/int-handler.S deleted file mode 100644 index edee7b3941753c..00000000000000 --- a/arch/mips/gt64120/wrppmc/int-handler.S +++ /dev/null @@ -1,59 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle - * Copyright (C) Wind River System Inc. Rongkai.Zhan <rongkai.zhan@windriver.com> - */ -#include <asm/asm.h> -#include <asm/mipsregs.h> -#include <asm/addrspace.h> -#include <asm/regdef.h> -#include <asm/stackframe.h> -#include <asm/mach-wrppmc/mach-gt64120.h> - - .align 5 - .set noat -NESTED(handle_IRQ, PT_SIZE, sp) - SAVE_ALL - CLI # Important: mark KERNEL mode ! - .set at - - mfc0 t0, CP0_CAUSE # get pending interrupts - mfc0 t1, CP0_STATUS # get enabled interrupts - and t0, t0, t1 # get allowed interrupts - andi t0, t0, 0xFF00 - beqz t0, 1f - move a1, sp # Prepare 'struct pt_regs *regs' pointer - - andi t1, t0, CAUSEF_IP7 # CPU Compare/Count internal timer - bnez t1, handle_cputimer_irq - andi t1, t0, CAUSEF_IP6 # UART 16550 port - bnez t1, handle_uart_irq - andi t1, t0, CAUSEF_IP3 # PCI INT_A - bnez t1, handle_pci_intA_irq - - /* wrong alarm or masked ... */ -1: j spurious_interrupt - nop -END(handle_IRQ) - - .align 5 -handle_cputimer_irq: - li a0, WRPPMC_MIPS_TIMER_IRQ - jal do_IRQ - j ret_from_irq - - .align 5 -handle_uart_irq: - li a0, WRPPMC_UART16550_IRQ - jal do_IRQ - j ret_from_irq - - .align 5 -handle_pci_intA_irq: - li a0, WRPPMC_PCI_INTA_IRQ - jal do_IRQ - j ret_from_irq - diff --git a/arch/mips/gt64120/wrppmc/irq.c b/arch/mips/gt64120/wrppmc/irq.c index 8605687e24eda7..8d75a43ce877b4 100644 --- a/arch/mips/gt64120/wrppmc/irq.c +++ b/arch/mips/gt64120/wrppmc/irq.c @@ -30,7 +30,19 @@ #include <asm/irq_cpu.h> #include <asm/gt64120.h> -extern asmlinkage void handle_IRQ(void); +asmlinkage void plat_irq_dispatch(struct pt_regs *regs) +{ + unsigned int pending = read_c0_status() & read_c0_cause(); + + if (pending & STATUSF_IP7) + do_IRQ(WRPPMC_MIPS_TIMER_IRQ, regs); /* CPU Compare/Count internal timer */ + else if (pending & STATUSF_IP6) + do_IRQ(WRPPMC_UART16550_IRQ, regs); /* UART 16550 port */ + else if (pending & STATUSF_IP3) + do_IRQ(WRPPMC_PCI_INTA_IRQ, regs); /* PCI INT_A */ + else + spurious_interrupt(regs); +} /** * Initialize GT64120 Interrupt Controller @@ -50,12 +62,6 @@ void gt64120_init_pic(void) void __init arch_init_irq(void) { - /* enable all CPU interrupt bits. */ - set_c0_status(ST0_IM); /* IE bit is still 0 */ - - /* Install MIPS Interrupt Trap Vector */ - set_except_vector(0, handle_IRQ); - /* IRQ 0 - 7 are for MIPS common irq_cpu controller */ mips_cpu_irq_init(0); diff --git a/arch/mips/gt64120/wrppmc/setup.c b/arch/mips/gt64120/wrppmc/setup.c index 20c591e49dae38..2db6375ef29e5b 100644 --- a/arch/mips/gt64120/wrppmc/setup.c +++ b/arch/mips/gt64120/wrppmc/setup.c @@ -125,7 +125,7 @@ static void wrppmc_setup_serial(void) } #endif -void __init plat_setup(void) +void __init plat_mem_setup(void) { extern void wrppmc_time_init(void); extern void wrppmc_timer_setup(struct irqaction *); diff --git a/arch/mips/gt64120/wrppmc/time.c b/arch/mips/gt64120/wrppmc/time.c index 175d22adb450bf..6c24a82df0ddc0 100644 --- a/arch/mips/gt64120/wrppmc/time.c +++ b/arch/mips/gt64120/wrppmc/time.c @@ -31,10 +31,6 @@ void __init wrppmc_timer_setup(struct irqaction *irq) { /* Install ISR for timer interrupt */ setup_irq(WRPPMC_MIPS_TIMER_IRQ, irq); - - /* to generate the first timer interrupt */ - write_c0_compare(mips_hpt_frequency/HZ); - write_c0_count(0); } /* diff --git a/arch/mips/kernel/apm.c b/arch/mips/kernel/apm.c index 15f46b4471fd08..7bdbcd811b57cf 100644 --- a/arch/mips/kernel/apm.c +++ b/arch/mips/kernel/apm.c @@ -260,7 +260,7 @@ static unsigned int apm_poll(struct file *fp, poll_table * wait) * has acknowledge does the actual suspend happen. */ static int -apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) +apm_ioctl(struct inode * inode, struct file *filp, unsigned int cmd, unsigned long arg) { struct apm_user *as = filp->private_data; unsigned long flags; diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 8c2c359a05f413..e045aba4ebda22 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -597,8 +597,6 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c) break; case PRID_IMP_25KF: c->cputype = CPU_25KF; - /* Probe for L2 cache */ - c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT; break; case PRID_IMP_34K: c->cputype = CPU_34K; diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index a9c6de1b954257..457565162dd56f 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -87,7 +87,7 @@ FEXPORT(restore_all) # restore full frame ori v1, v0, TCSTATUS_IXMT mtc0 v1, CP0_TCSTATUS andi v0, TCSTATUS_IXMT - ehb + _ehb mfc0 t0, CP0_TCCONTEXT DMT 9 # dmt t1 jal mips_ihb @@ -95,7 +95,7 @@ FEXPORT(restore_all) # restore full frame andi t3, t0, 0xff00 or t2, t2, t3 mtc0 t2, CP0_STATUS - ehb + _ehb andi t1, t1, VPECONTROL_TE beqz t1, 1f EMT @@ -105,7 +105,7 @@ FEXPORT(restore_all) # restore full frame xori v1, v1, TCSTATUS_IXMT or v1, v0, v1 mtc0 v1, CP0_TCSTATUS - ehb + _ehb xor t0, t0, t3 mtc0 t0, CP0_TCCONTEXT #endif /* CONFIG_MIPS_MT_SMTC */ diff --git a/arch/mips/kernel/gdb-low.S b/arch/mips/kernel/gdb-low.S index 5fd7a8af0c6256..8760131f89d9c5 100644 --- a/arch/mips/kernel/gdb-low.S +++ b/arch/mips/kernel/gdb-low.S @@ -291,7 +291,7 @@ ori t1, t2, TCSTATUS_IXMT mtc0 t1, CP0_TCSTATUS andi t2, t2, TCSTATUS_IXMT - ehb + _ehb DMT 9 # dmt t1 jal mips_ihb nop @@ -310,7 +310,7 @@ xori t1, t1, TCSTATUS_IXMT or t1, t1, t2 mtc0 t1, CP0_TCSTATUS - ehb + _ehb #endif /* CONFIG_MIPS_MT_SMTC */ LONG_L v0, GDB_FR_STATUS(sp) LONG_L v1, GDB_FR_EPC(sp) diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index ff7af369f2862e..6888cde560afc1 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -214,7 +214,7 @@ NESTED(except_vec_vi_handler, 0, sp) mtc0 t0, CP0_TCCONTEXT xor t1, t1, t0 mtc0 t1, CP0_STATUS - ehb + _ehb #endif /* CONFIG_MIPS_MT_SMTC */ CLI move a0, sp diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index bdf6f6eff72126..c018098c9a5600 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -96,7 +96,7 @@ /* Clear TKSU, leave IXMT */ xori t0, 0x00001800 mtc0 t0, CP0_TCSTATUS - ehb + _ehb /* We need to leave the global IE bit set, but clear EXL...*/ mfc0 t0, CP0_STATUS or t0, ST0_CU0 | ST0_EXL | ST0_ERL | \set | \clr diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S index db94e556fc9793..e1b85e6c486a1c 100644 --- a/arch/mips/kernel/r4k_switch.S +++ b/arch/mips/kernel/r4k_switch.S @@ -94,7 +94,7 @@ ori t1, t2, TCSTATUS_IXMT mtc0 t1, CP0_TCSTATUS andi t2, t2, TCSTATUS_IXMT - ehb + _ehb DMT 8 # dmt t0 move t1,ra jal mips_ihb @@ -109,7 +109,7 @@ or a2, t1 mtc0 a2, CP0_STATUS #ifdef CONFIG_MIPS_MT_SMTC - ehb + _ehb andi t0, t0, VPECONTROL_TE beqz t0, 1f emt @@ -118,7 +118,7 @@ xori t1, t1, TCSTATUS_IXMT or t1, t1, t2 mtc0 t1, CP0_TCSTATUS - ehb + _ehb #endif /* CONFIG_MIPS_MT_SMTC */ move v0, a0 jr ra diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 2d2fdf77e30857..6344be46ca8c29 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -647,6 +647,7 @@ einval: li v0, -EINVAL sys sys_unshare 1 sys sys_splice 4 sys sys_sync_file_range 7 /* 4305 */ + sys sys_tee 4 .endm /* We pre-compute the number of _instruction_ bytes needed to diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 9ba750887377a2..12d96c7d0bb22b 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -462,3 +462,4 @@ sys_call_table: PTR sys_unshare PTR sys_splice PTR sys_sync_file_range + PTR sys_tee /* 5265 */ diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 942aca26f9c422..685698554a8acf 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -388,3 +388,4 @@ EXPORT(sysn32_call_table) PTR sys_unshare PTR sys_splice PTR sys_sync_file_range + PTR sys_tee diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 8efb23a841317a..0e632934cb7679 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -510,4 +510,5 @@ sys_call_table: PTR sys_unshare PTR sys_splice PTR sys32_sync_file_range /* 4305 */ + PTR sys_tee .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index bfcec8d9bfe4bb..d3e087115023ad 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -488,6 +488,9 @@ static inline void resource_init(void) { int i; + if (UNCAC_BASE != IO_BASE) + return; + code_resource.start = virt_to_phys(&_text); code_resource.end = virt_to_phys(&_etext) - 1; data_resource.start = virt_to_phys(&_etext); diff --git a/arch/mips/kernel/smtc-asm.S b/arch/mips/kernel/smtc-asm.S index c9d65196d91760..72c6d98f885428 100644 --- a/arch/mips/kernel/smtc-asm.S +++ b/arch/mips/kernel/smtc-asm.S @@ -52,12 +52,12 @@ FEXPORT(__smtc_ipi_vector) .set noat /* Disable thread scheduling to make Status update atomic */ DMT 27 # dmt k1 - ehb + _ehb /* Set EXL */ mfc0 k0,CP0_STATUS ori k0,k0,ST0_EXL mtc0 k0,CP0_STATUS - ehb + _ehb /* Thread scheduling now inhibited by EXL. Restore TE state. */ andi k1,k1,VPECONTROL_TE beqz k1,1f @@ -82,7 +82,7 @@ FEXPORT(__smtc_ipi_vector) li k1,ST0_CU0 or k1,k1,k0 mtc0 k1,CP0_STATUS - ehb + _ehb get_saved_sp /* Interrupting TC will have pre-set values in slots in the new frame */ 2: subu k1,k1,PT_SIZE @@ -90,7 +90,7 @@ FEXPORT(__smtc_ipi_vector) lw k0,PT_TCSTATUS(k1) /* Write it to TCStatus to restore CU/KSU/IXMT state */ mtc0 k0,$2,1 - ehb + _ehb lw k0,PT_EPC(k1) mtc0 k0,CP0_EPC /* Save all will redundantly recompute the SP, but use it for now */ @@ -116,7 +116,7 @@ LEAF(self_ipi) mfc0 t0,CP0_TCSTATUS ori t1,t0,TCSTATUS_IXMT mtc0 t1,CP0_TCSTATUS - ehb + _ehb /* We know we're in kernel mode, so prepare stack frame */ subu t1,sp,PT_SIZE sw ra,PT_EPC(t1) diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 5e8a18a8e2bda4..6da8c68e89db23 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -301,7 +301,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) * * This is really horribly ugly. */ -asmlinkage int sys_ipc (uint call, int first, int second, +asmlinkage int sys_ipc (unsigned int call, int first, int second, unsigned long third, void __user *ptr, long fifth) { int version, ret; @@ -359,18 +359,18 @@ asmlinkage int sys_ipc (uint call, int first, int second, case SHMAT: switch (version) { default: { - ulong raddr; + unsigned long raddr; ret = do_shmat (first, (char __user *) ptr, second, &raddr); if (ret) return ret; - return put_user (raddr, (ulong __user *) third); + return put_user (raddr, (unsigned long __user *) third); } case 1: /* iBCS2 emulator entry point */ if (!segment_eq(get_fs(), get_ds())) return -EINVAL; return do_shmat (first, (char __user *) ptr, second, - (ulong *) third); + (unsigned long *) third); } case SHMDT: return sys_shmdt ((char __user *)ptr); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index ad16eceb24dd34..67971938a2cb4f 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1050,7 +1050,7 @@ void *set_except_vector(int n, void *addr) return (void *)old_handler; } -#ifdef CONFIG_CPU_MIPSR2 +#ifdef CONFIG_CPU_MIPSR2_SRS /* * MIPSR2 shadow register set allocation * FIXME: SMP... @@ -1069,11 +1069,9 @@ static struct shadow_registers { static void mips_srs_init(void) { -#ifdef CONFIG_CPU_MIPSR2_SRS shadow_registers.sr_supported = ((read_c0_srsctl() >> 26) & 0x0f) + 1; printk(KERN_INFO "%d MIPSR2 register sets available\n", shadow_registers.sr_supported); -#endif shadow_registers.sr_allocated = 1; /* Set 0 used by kernel */ } @@ -1198,7 +1196,14 @@ void *set_vi_handler(int n, void *addr) { return set_vi_srs_handler(n, addr, 0); } -#endif + +#else + +static inline void mips_srs_init(void) +{ +} + +#endif /* CONFIG_CPU_MIPSR2_SRS */ /* * This is used by native signal handling @@ -1388,9 +1393,7 @@ void __init trap_init(void) else ebase = CAC_BASE; -#ifdef CONFIG_CPU_MIPSR2 mips_srs_init(); -#endif per_cpu_trap_init(); diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile index 4a6220116c9642..19e41fd186c4e0 100644 --- a/arch/mips/mm/Makefile +++ b/arch/mips/mm/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_CPU_VR41XX) += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o obj-$(CONFIG_IP22_CPU_SCACHE) += sc-ip22.o obj-$(CONFIG_R5000_CPU_SCACHE) += sc-r5k.o obj-$(CONFIG_RM7000_CPU_SCACHE) += sc-rm7k.o +obj-$(CONFIG_MIPS_CPU_SCACHE) += sc-mips.o # # Choose one DMA coherency model diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 4a43924cd4fccd..75d887e89739e2 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -60,13 +60,13 @@ static unsigned long scache_size __read_mostly; /* * Dummy cache handling routines for machines without boardcaches */ -static void no_sc_noop(void) {} +static void cache_noop(void) {} static struct bcache_ops no_sc_ops = { - .bc_enable = (void *)no_sc_noop, - .bc_disable = (void *)no_sc_noop, - .bc_wback_inv = (void *)no_sc_noop, - .bc_inv = (void *)no_sc_noop + .bc_enable = (void *)cache_noop, + .bc_disable = (void *)cache_noop, + .bc_wback_inv = (void *)cache_noop, + .bc_inv = (void *)cache_noop }; struct bcache_ops *bcops = &no_sc_ops; @@ -94,7 +94,9 @@ static inline void r4k_blast_dcache_page_setup(void) { unsigned long dc_lsize = cpu_dcache_line_size(); - if (dc_lsize == 16) + if (dc_lsize == 0) + r4k_blast_dcache_page = (void *)cache_noop; + else if (dc_lsize == 16) r4k_blast_dcache_page = blast_dcache16_page; else if (dc_lsize == 32) r4k_blast_dcache_page = r4k_blast_dcache_page_dc32; @@ -106,7 +108,9 @@ static inline void r4k_blast_dcache_page_indexed_setup(void) { unsigned long dc_lsize = cpu_dcache_line_size(); - if (dc_lsize == 16) + if (dc_lsize == 0) + r4k_blast_dcache_page_indexed = (void *)cache_noop; + else if (dc_lsize == 16) r4k_blast_dcache_page_indexed = blast_dcache16_page_indexed; else if (dc_lsize == 32) r4k_blast_dcache_page_indexed = blast_dcache32_page_indexed; @@ -118,7 +122,9 @@ static inline void r4k_blast_dcache_setup(void) { unsigned long dc_lsize = cpu_dcache_line_size(); - if (dc_lsize == 16) + if (dc_lsize == 0) + r4k_blast_dcache = (void *)cache_noop; + else if (dc_lsize == 16) r4k_blast_dcache = blast_dcache16; else if (dc_lsize == 32) r4k_blast_dcache = blast_dcache32; @@ -201,7 +207,9 @@ static inline void r4k_blast_icache_page_setup(void) { unsigned long ic_lsize = cpu_icache_line_size(); - if (ic_lsize == 16) + if (ic_lsize == 0) + r4k_blast_icache_page = (void *)cache_noop; + else if (ic_lsize == 16) r4k_blast_icache_page = blast_icache16_page; else if (ic_lsize == 32) r4k_blast_icache_page = blast_icache32_page; @@ -216,7 +224,9 @@ static inline void r4k_blast_icache_page_indexed_setup(void) { unsigned long ic_lsize = cpu_icache_line_size(); - if (ic_lsize == 16) + if (ic_lsize == 0) + r4k_blast_icache_page_indexed = (void *)cache_noop; + else if (ic_lsize == 16) r4k_blast_icache_page_indexed = blast_icache16_page_indexed; else if (ic_lsize == 32) { if (R4600_V1_INDEX_ICACHEOP_WAR && cpu_is_r4600_v1_x()) @@ -238,7 +248,9 @@ static inline void r4k_blast_icache_setup(void) { unsigned long ic_lsize = cpu_icache_line_size(); - if (ic_lsize == 16) + if (ic_lsize == 0) + r4k_blast_icache = (void *)cache_noop; + else if (ic_lsize == 16) r4k_blast_icache = blast_icache16; else if (ic_lsize == 32) { if (R4600_V1_INDEX_ICACHEOP_WAR && cpu_is_r4600_v1_x()) @@ -258,7 +270,7 @@ static inline void r4k_blast_scache_page_setup(void) unsigned long sc_lsize = cpu_scache_line_size(); if (scache_size == 0) - r4k_blast_scache_page = (void *)no_sc_noop; + r4k_blast_scache_page = (void *)cache_noop; else if (sc_lsize == 16) r4k_blast_scache_page = blast_scache16_page; else if (sc_lsize == 32) @@ -276,7 +288,7 @@ static inline void r4k_blast_scache_page_indexed_setup(void) unsigned long sc_lsize = cpu_scache_line_size(); if (scache_size == 0) - r4k_blast_scache_page_indexed = (void *)no_sc_noop; + r4k_blast_scache_page_indexed = (void *)cache_noop; else if (sc_lsize == 16) r4k_blast_scache_page_indexed = blast_scache16_page_indexed; else if (sc_lsize == 32) @@ -294,7 +306,7 @@ static inline void r4k_blast_scache_setup(void) unsigned long sc_lsize = cpu_scache_line_size(); if (scache_size == 0) - r4k_blast_scache = (void *)no_sc_noop; + r4k_blast_scache = (void *)cache_noop; else if (sc_lsize == 16) r4k_blast_scache = blast_scache16; else if (sc_lsize == 32) @@ -508,7 +520,7 @@ static inline void local_r4k_flush_icache_range(void *args) unsigned long end = fir_args->end; if (!cpu_has_ic_fills_f_dc) { - if (end - start > dcache_size) { + if (end - start >= dcache_size) { r4k_blast_dcache(); } else { R4600_HIT_CACHEOP_WAR_IMPL; @@ -683,10 +695,12 @@ static void local_r4k_flush_cache_sigtramp(void * arg) unsigned long addr = (unsigned long) arg; R4600_HIT_CACHEOP_WAR_IMPL; - protected_writeback_dcache_line(addr & ~(dc_lsize - 1)); + if (dc_lsize) + protected_writeback_dcache_line(addr & ~(dc_lsize - 1)); if (!cpu_icache_snoops_remote_store && scache_size) protected_writeback_scache_line(addr & ~(sc_lsize - 1)); - protected_flush_icache_line(addr & ~(ic_lsize - 1)); + if (ic_lsize) + protected_flush_icache_line(addr & ~(ic_lsize - 1)); if (MIPS4K_ICACHE_REFILL_WAR) { __asm__ __volatile__ ( ".set push\n\t" @@ -973,8 +987,10 @@ static void __init probe_pcache(void) c->icache.waysize = icache_size / c->icache.ways; c->dcache.waysize = dcache_size / c->dcache.ways; - c->icache.sets = icache_size / (c->icache.linesz * c->icache.ways); - c->dcache.sets = dcache_size / (c->dcache.linesz * c->dcache.ways); + c->icache.sets = c->icache.linesz ? + icache_size / (c->icache.linesz * c->icache.ways) : 0; + c->dcache.sets = c->dcache.linesz ? + dcache_size / (c->dcache.linesz * c->dcache.ways) : 0; /* * R10000 and R12000 P-caches are odd in a positive way. They're 32kB @@ -993,10 +1009,16 @@ static void __init probe_pcache(void) break; case CPU_24K: case CPU_34K: - if (!(read_c0_config7() & (1 << 16))) + case CPU_74K: + if ((read_c0_config7() & (1 << 16))) { + /* effectively physically indexed dcache, + thus no virtual aliases. */ + c->dcache.flags |= MIPS_CACHE_PINDEX; + break; + } default: - if (c->dcache.waysize > PAGE_SIZE) - c->dcache.flags |= MIPS_CACHE_ALIASES; + if (c->dcache.waysize > PAGE_SIZE) + c->dcache.flags |= MIPS_CACHE_ALIASES; } switch (c->cputype) { @@ -1092,6 +1114,7 @@ static int __init probe_scache(void) extern int r5k_sc_init(void); extern int rm7k_sc_init(void); +extern int mips_sc_init(void); static void __init setup_scache(void) { @@ -1139,17 +1162,29 @@ static void __init setup_scache(void) return; default: + if (c->isa_level == MIPS_CPU_ISA_M32R1 || + c->isa_level == MIPS_CPU_ISA_M32R2 || + c->isa_level == MIPS_CPU_ISA_M64R1 || + c->isa_level == MIPS_CPU_ISA_M64R2) { +#ifdef CONFIG_MIPS_CPU_SCACHE + if (mips_sc_init ()) { + scache_size = c->scache.ways * c->scache.sets * c->scache.linesz; + printk("MIPS secondary cache %ldkB, %s, linesize %d bytes.\n", + scache_size >> 10, + way_string[c->scache.ways], c->scache.linesz); + } +#else + if (!(c->scache.flags & MIPS_CACHE_NOT_PRESENT)) + panic("Dunno how to handle MIPS32 / MIPS64 second level cache"); +#endif + return; + } sc_present = 0; } if (!sc_present) return; - if ((c->isa_level == MIPS_CPU_ISA_M32R1 || - c->isa_level == MIPS_CPU_ISA_M64R1) && - !(c->scache.flags & MIPS_CACHE_NOT_PRESENT)) - panic("Dunno how to handle MIPS32 / MIPS64 second level cache"); - /* compute a couple of other cache variables */ c->scache.waysize = scache_size / c->scache.ways; @@ -1246,10 +1281,12 @@ void __init r4k_cache_init(void) * This code supports virtually indexed processors and will be * unnecessarily inefficient on physically indexed processors. */ - shm_align_mask = max_t( unsigned long, - c->dcache.sets * c->dcache.linesz - 1, - PAGE_SIZE - 1); - + if (c->dcache.linesz) + shm_align_mask = max_t( unsigned long, + c->dcache.sets * c->dcache.linesz - 1, + PAGE_SIZE - 1); + else + shm_align_mask = PAGE_SIZE-1; flush_cache_all = r4k_flush_cache_all; __flush_cache_all = r4k___flush_cache_all; flush_cache_mm = r4k_flush_cache_mm; diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c new file mode 100644 index 00000000000000..42b50964c64483 --- /dev/null +++ b/arch/mips/mm/sc-mips.c @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2006 Chris Dearman (chris@mips.com), + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/mm.h> + +#include <asm/mipsregs.h> +#include <asm/bcache.h> +#include <asm/cacheops.h> +#include <asm/page.h> +#include <asm/pgtable.h> +#include <asm/system.h> +#include <asm/mmu_context.h> +#include <asm/r4kcache.h> + +/* + * MIPS32/MIPS64 L2 cache handling + */ + +/* + * Writeback and invalidate the secondary cache before DMA. + */ +static void mips_sc_wback_inv(unsigned long addr, unsigned long size) +{ + blast_scache_range(addr, addr + size); +} + +/* + * Invalidate the secondary cache before DMA. + */ +static void mips_sc_inv(unsigned long addr, unsigned long size) +{ + blast_inv_scache_range(addr, addr + size); +} + +static void mips_sc_enable(void) +{ + /* L2 cache is permanently enabled */ +} + +static void mips_sc_disable(void) +{ + /* L2 cache is permanently enabled */ +} + +static struct bcache_ops mips_sc_ops = { + .bc_enable = mips_sc_enable, + .bc_disable = mips_sc_disable, + .bc_wback_inv = mips_sc_wback_inv, + .bc_inv = mips_sc_inv +}; + +static inline int __init mips_sc_probe(void) +{ + struct cpuinfo_mips *c = ¤t_cpu_data; + unsigned int config1, config2; + unsigned int tmp; + + /* Mark as not present until probe completed */ + c->scache.flags |= MIPS_CACHE_NOT_PRESENT; + + /* Ignore anything but MIPSxx processors */ + if (c->isa_level != MIPS_CPU_ISA_M32R1 && + c->isa_level != MIPS_CPU_ISA_M32R2 && + c->isa_level != MIPS_CPU_ISA_M64R1 && + c->isa_level != MIPS_CPU_ISA_M64R2) + return 0; + + /* Does this MIPS32/MIPS64 CPU have a config2 register? */ + config1 = read_c0_config1(); + if (!(config1 & MIPS_CONF_M)) + return 0; + + config2 = read_c0_config2(); + tmp = (config2 >> 4) & 0x0f; + if (0 < tmp && tmp <= 7) + c->scache.linesz = 2 << tmp; + else + return 0; + + tmp = (config2 >> 8) & 0x0f; + if (0 <= tmp && tmp <= 7) + c->scache.sets = 64 << tmp; + else + return 0; + + tmp = (config2 >> 0) & 0x0f; + if (0 <= tmp && tmp <= 7) + c->scache.ways = tmp + 1; + else + return 0; + + c->scache.waysize = c->scache.sets * c->scache.linesz; + c->scache.waybit = __ffs(c->scache.waysize); + + c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT; + + return 1; +} + +int __init mips_sc_init(void) +{ + int found = mips_sc_probe (); + if (found) { + mips_sc_enable(); + bcops = &mips_sc_ops; + } + return found; +} + diff --git a/arch/mips/momentum/jaguar_atx/setup.c b/arch/mips/momentum/jaguar_atx/setup.c index df1485501ce631..d0419480b09757 100644 --- a/arch/mips/momentum/jaguar_atx/setup.c +++ b/arch/mips/momentum/jaguar_atx/setup.c @@ -370,8 +370,8 @@ void __init plat_mem_setup(void) pm_power_off = momenco_jaguar_power_off; /* - * initrd_start = (ulong)jaguar_initrd_start; - * initrd_end = (ulong)jaguar_initrd_start + (ulong)jaguar_initrd_size; + * initrd_start = (unsigned long)jaguar_initrd_start; + * initrd_end = (unsigned long)jaguar_initrd_start + (ulong)jaguar_initrd_size; * initrd_below_start_ok = 1; */ diff --git a/arch/mips/momentum/ocelot_c/setup.c b/arch/mips/momentum/ocelot_c/setup.c index 257e1d1b72ddf1..a0ee006d75cfbb 100644 --- a/arch/mips/momentum/ocelot_c/setup.c +++ b/arch/mips/momentum/ocelot_c/setup.c @@ -242,8 +242,8 @@ void __init plat_mem_setup(void) pm_power_off = momenco_ocelot_power_off; /* - * initrd_start = (ulong)ocelot_initrd_start; - * initrd_end = (ulong)ocelot_initrd_start + (ulong)ocelot_initrd_size; + * initrd_start = (unsigned long)ocelot_initrd_start; + * initrd_end = (unsigned long)ocelot_initrd_start + (ulong)ocelot_initrd_size; * initrd_below_start_ok = 1; */ diff --git a/arch/mips/momentum/ocelot_g/setup.c b/arch/mips/momentum/ocelot_g/setup.c index 72143ab1e9008c..39da02b4e07619 100644 --- a/arch/mips/momentum/ocelot_g/setup.c +++ b/arch/mips/momentum/ocelot_g/setup.c @@ -174,8 +174,8 @@ void __init plat_mem_setup(void) pm_power_off = momenco_ocelot_power_off; /* - * initrd_start = (ulong)ocelot_initrd_start; - * initrd_end = (ulong)ocelot_initrd_start + (ulong)ocelot_initrd_size; + * initrd_start = (unsigned long)ocelot_initrd_start; + * initrd_end = (unsigned long)ocelot_initrd_start + (ulong)ocelot_initrd_size; * initrd_below_start_ok = 1; */ diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index f26a00e13204dd..a09c5f901233a3 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -12,16 +12,70 @@ #include "op_impl.h" -#define M_PERFCTL_EXL (1UL << 0) -#define M_PERFCTL_KERNEL (1UL << 1) -#define M_PERFCTL_SUPERVISOR (1UL << 2) -#define M_PERFCTL_USER (1UL << 3) -#define M_PERFCTL_INTERRUPT_ENABLE (1UL << 4) -#define M_PERFCTL_EVENT(event) ((event) << 5) -#define M_PERFCTL_WIDE (1UL << 30) -#define M_PERFCTL_MORE (1UL << 31) +#define M_PERFCTL_EXL (1UL << 0) +#define M_PERFCTL_KERNEL (1UL << 1) +#define M_PERFCTL_SUPERVISOR (1UL << 2) +#define M_PERFCTL_USER (1UL << 3) +#define M_PERFCTL_INTERRUPT_ENABLE (1UL << 4) +#define M_PERFCTL_EVENT(event) ((event) << 5) +#define M_PERFCTL_VPEID(vpe) ((vpe) << 16) +#define M_PERFCTL_MT_EN(filter) ((filter) << 20) +#define M_TC_EN_ALL M_PERFCTL_MT_EN(0) +#define M_TC_EN_VPE M_PERFCTL_MT_EN(1) +#define M_TC_EN_TC M_PERFCTL_MT_EN(2) +#define M_PERFCTL_TCID(tcid) ((tcid) << 22) +#define M_PERFCTL_WIDE (1UL << 30) +#define M_PERFCTL_MORE (1UL << 31) + +#define M_COUNTER_OVERFLOW (1UL << 31) + +#ifdef CONFIG_MIPS_MT_SMP +#define WHAT (M_TC_EN_VPE | M_PERFCTL_VPEID(smp_processor_id())) +#else +#define WHAT 0 +#endif -#define M_COUNTER_OVERFLOW (1UL << 31) +#define __define_perf_accessors(r, n, np) \ + \ +static inline unsigned int r_c0_ ## r ## n(void) \ +{ \ + unsigned int cpu = smp_processor_id(); \ + \ + switch (cpu) { \ + case 0: \ + return read_c0_ ## r ## n(); \ + case 1: \ + return read_c0_ ## r ## np(); \ + default: \ + BUG(); \ + } \ +} \ + \ +static inline void w_c0_ ## r ## n(unsigned int value) \ +{ \ + unsigned int cpu = smp_processor_id(); \ + \ + switch (cpu) { \ + case 0: \ + write_c0_ ## r ## n(value); \ + return; \ + case 1: \ + write_c0_ ## r ## np(value); \ + return; \ + default: \ + BUG(); \ + } \ +} \ + +__define_perf_accessors(perfcntr, 0, 2) +__define_perf_accessors(perfcntr, 1, 3) +__define_perf_accessors(perfcntr, 2, 2) +__define_perf_accessors(perfcntr, 3, 2) + +__define_perf_accessors(perfctrl, 0, 2) +__define_perf_accessors(perfctrl, 1, 3) +__define_perf_accessors(perfctrl, 2, 2) +__define_perf_accessors(perfctrl, 3, 2) struct op_mips_model op_model_mipsxx_ops; @@ -66,17 +120,17 @@ static void mipsxx_cpu_setup (void *args) switch (counters) { case 4: - write_c0_perfctrl3(0); - write_c0_perfcntr3(reg.counter[3]); + w_c0_perfctrl3(0); + w_c0_perfcntr3(reg.counter[3]); case 3: - write_c0_perfctrl2(0); - write_c0_perfcntr2(reg.counter[2]); + w_c0_perfctrl2(0); + w_c0_perfcntr2(reg.counter[2]); case 2: - write_c0_perfctrl1(0); - write_c0_perfcntr1(reg.counter[1]); + w_c0_perfctrl1(0); + w_c0_perfcntr1(reg.counter[1]); case 1: - write_c0_perfctrl0(0); - write_c0_perfcntr0(reg.counter[0]); + w_c0_perfctrl0(0); + w_c0_perfcntr0(reg.counter[0]); } } @@ -87,13 +141,13 @@ static void mipsxx_cpu_start(void *args) switch (counters) { case 4: - write_c0_perfctrl3(reg.control[3]); + w_c0_perfctrl3(WHAT | reg.control[3]); case 3: - write_c0_perfctrl2(reg.control[2]); + w_c0_perfctrl2(WHAT | reg.control[2]); case 2: - write_c0_perfctrl1(reg.control[1]); + w_c0_perfctrl1(WHAT | reg.control[1]); case 1: - write_c0_perfctrl0(reg.control[0]); + w_c0_perfctrl0(WHAT | reg.control[0]); } } @@ -104,13 +158,13 @@ static void mipsxx_cpu_stop(void *args) switch (counters) { case 4: - write_c0_perfctrl3(0); + w_c0_perfctrl3(0); case 3: - write_c0_perfctrl2(0); + w_c0_perfctrl2(0); case 2: - write_c0_perfctrl1(0); + w_c0_perfctrl1(0); case 1: - write_c0_perfctrl0(0); + w_c0_perfctrl0(0); } } @@ -124,12 +178,12 @@ static int mipsxx_perfcount_handler(struct pt_regs *regs) switch (counters) { #define HANDLE_COUNTER(n) \ case n + 1: \ - control = read_c0_perfctrl ## n(); \ - counter = read_c0_perfcntr ## n(); \ + control = r_c0_perfctrl ## n(); \ + counter = r_c0_perfcntr ## n(); \ if ((control & M_PERFCTL_INTERRUPT_ENABLE) && \ (counter & M_COUNTER_OVERFLOW)) { \ oprofile_add_sample(regs, n); \ - write_c0_perfcntr ## n(reg.counter[n]); \ + w_c0_perfcntr ## n(reg.counter[n]); \ handled = 1; \ } HANDLE_COUNTER(3) @@ -143,35 +197,47 @@ static int mipsxx_perfcount_handler(struct pt_regs *regs) #define M_CONFIG1_PC (1 << 4) -static inline int n_counters(void) +static inline int __n_counters(void) { if (!(read_c0_config1() & M_CONFIG1_PC)) return 0; - if (!(read_c0_perfctrl0() & M_PERFCTL_MORE)) + if (!(r_c0_perfctrl0() & M_PERFCTL_MORE)) return 1; - if (!(read_c0_perfctrl1() & M_PERFCTL_MORE)) + if (!(r_c0_perfctrl1() & M_PERFCTL_MORE)) return 2; - if (!(read_c0_perfctrl2() & M_PERFCTL_MORE)) + if (!(r_c0_perfctrl2() & M_PERFCTL_MORE)) return 3; return 4; } +static inline int n_counters(void) +{ + int counters = __n_counters(); + +#ifndef CONFIG_SMP + if (current_cpu_data.cputype == CPU_34K) + return counters >> 1; +#endif + + return counters; +} + static inline void reset_counters(int counters) { switch (counters) { case 4: - write_c0_perfctrl3(0); - write_c0_perfcntr3(0); + w_c0_perfctrl3(0); + w_c0_perfcntr3(0); case 3: - write_c0_perfctrl2(0); - write_c0_perfcntr2(0); + w_c0_perfctrl2(0); + w_c0_perfcntr2(0); case 2: - write_c0_perfctrl1(0); - write_c0_perfcntr1(0); + w_c0_perfctrl1(0); + w_c0_perfcntr1(0); case 1: - write_c0_perfctrl0(0); - write_c0_perfcntr0(0); + w_c0_perfctrl0(0); + w_c0_perfcntr0(0); } } @@ -201,7 +267,6 @@ static int __init mipsxx_init(void) op_model_mipsxx_ops.cpu_type = "mips/25K"; break; -#ifndef CONFIG_SMP case CPU_34K: op_model_mipsxx_ops.cpu_type = "mips/34K"; break; @@ -209,7 +274,6 @@ static int __init mipsxx_init(void) case CPU_74K: op_model_mipsxx_ops.cpu_type = "mips/74K"; break; -#endif case CPU_5KC: op_model_mipsxx_ops.cpu_type = "mips/5K"; diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index 465778c5d81606..35d5927706eac8 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -23,7 +23,7 @@ obj-$(CONFIG_MARKEINS) += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o # # These are still pretty much in the old state, watch, go blind. # -obj-$(CONFIG_BASLER_EXCITE) = ops-titan.o pci-excite.o fixup-excite.o +obj-$(CONFIG_BASLER_EXCITE) += ops-titan.o pci-excite.o fixup-excite.o obj-$(CONFIG_DDB5477) += fixup-ddb5477.o pci-ddb5477.o ops-ddb5477.o obj-$(CONFIG_LASAT) += pci-lasat.o obj-$(CONFIG_MIPS_ATLAS) += fixup-atlas.o diff --git a/arch/mips/pci/ops-tx4927.c b/arch/mips/pci/ops-tx4927.c index 7688b771132936..150419c8b41427 100644 --- a/arch/mips/pci/ops-tx4927.c +++ b/arch/mips/pci/ops-tx4927.c @@ -119,7 +119,7 @@ static int tx4927_pcibios_read_config(struct pci_bus *bus, unsigned int devfn, i switch (size) { case 1: - *val = *(volatile u8 *) ((ulong) & tx4927_pcicptr-> + *val = *(volatile u8 *) ((unsigned long) & tx4927_pcicptr-> g2pcfgdata | #ifdef __LITTLE_ENDIAN (where & 3)); @@ -128,7 +128,7 @@ static int tx4927_pcibios_read_config(struct pci_bus *bus, unsigned int devfn, i #endif break; case 2: - *val = *(volatile u16 *) ((ulong) & tx4927_pcicptr-> + *val = *(volatile u16 *) ((unsigned long) & tx4927_pcicptr-> g2pcfgdata | #ifdef __LITTLE_ENDIAN (where & 3)); @@ -168,7 +168,7 @@ static int tx4927_pcibios_write_config(struct pci_bus *bus, unsigned int devfn, switch (size) { case 1: - *(volatile u8 *) ((ulong) & tx4927_pcicptr-> + *(volatile u8 *) ((unsigned long) & tx4927_pcicptr-> g2pcfgdata | #ifdef __LITTLE_ENDIAN (where & 3)) = val; @@ -178,7 +178,7 @@ static int tx4927_pcibios_write_config(struct pci_bus *bus, unsigned int devfn, break; case 2: - *(volatile u16 *) ((ulong) & tx4927_pcicptr-> + *(volatile u16 *) ((unsigned long) & tx4927_pcicptr-> g2pcfgdata | #ifdef __LITTLE_ENDIAN (where & 3)) = val; diff --git a/arch/mips/pci/ops-tx4938.c b/arch/mips/pci/ops-tx4938.c index 0ff083489efdba..44500708451533 100644 --- a/arch/mips/pci/ops-tx4938.c +++ b/arch/mips/pci/ops-tx4938.c @@ -106,7 +106,7 @@ static int tx4938_pcibios_read_config(struct pci_bus *bus, unsigned int devfn, switch (size) { case 1: - *val = *(volatile u8 *) ((ulong) & tx4938_pcicptr->g2pcfgdata | + *val = *(volatile u8 *) ((unsigned long) & tx4938_pcicptr->g2pcfgdata | #ifdef __BIG_ENDIAN ((where & 3) ^ 3)); #else @@ -114,7 +114,7 @@ static int tx4938_pcibios_read_config(struct pci_bus *bus, unsigned int devfn, #endif break; case 2: - *val = *(volatile u16 *) ((ulong) & tx4938_pcicptr->g2pcfgdata | + *val = *(volatile u16 *) ((unsigned long) & tx4938_pcicptr->g2pcfgdata | #ifdef __BIG_ENDIAN ((where & 3) ^ 2)); #else @@ -154,7 +154,7 @@ static int tx4938_pcibios_write_config(struct pci_bus *bus, unsigned int devfn, switch (size) { case 1: - *(volatile u8 *) ((ulong) & tx4938_pcicptr->g2pcfgdata | + *(volatile u8 *) ((unsigned long) & tx4938_pcicptr->g2pcfgdata | #ifdef __BIG_ENDIAN ((where & 3) ^ 3)) = val; #else @@ -162,7 +162,7 @@ static int tx4938_pcibios_write_config(struct pci_bus *bus, unsigned int devfn, #endif break; case 2: - *(volatile u16 *) ((ulong) & tx4938_pcicptr->g2pcfgdata | + *(volatile u16 *) ((unsigned long) & tx4938_pcicptr->g2pcfgdata | #ifdef __BIG_ENDIAN ((where & 0x3) ^ 0x2)) = val; #else diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig index f14ef38646d022..5e960ae9735afc 100644 --- a/arch/mips/sgi-ip27/Kconfig +++ b/arch/mips/sgi-ip27/Kconfig @@ -33,12 +33,13 @@ config MAPPED_KERNEL depends on SGI_IP27 help Change the way a Linux kernel is loaded into memory on a MIPS64 - machine. This is required in order to support text replication and + machine. This is required in order to support text replication on NUMA. If you need to understand it, read the source code. config REPLICATE_KTEXT bool "Kernel text replication support" depends on SGI_IP27 + select MAPPED_KERNEL help Say Y here to enable replicating the kernel text across multiple nodes in a NUMA cluster. This trades memory for speed. diff --git a/arch/mips/sgi-ip27/Makefile b/arch/mips/sgi-ip27/Makefile index 686ba14e288249..a457263f439181 100644 --- a/arch/mips/sgi-ip27/Makefile +++ b/arch/mips/sgi-ip27/Makefile @@ -2,11 +2,12 @@ # Makefile for the IP27 specific kernel interface routines under Linux. # -obj-y := ip27-berr.o ip27-console.o ip27-irq.o ip27-init.o \ - ip27-klconfig.o ip27-klnuma.o ip27-memory.o ip27-nmi.o ip27-reset.o \ - ip27-timer.o ip27-hubio.o ip27-xtalk.o +obj-y := ip27-berr.o ip27-irq.o ip27-init.o ip27-klconfig.o ip27-klnuma.o \ + ip27-memory.o ip27-nmi.o ip27-reset.o ip27-timer.o ip27-hubio.o \ + ip27-xtalk.o -obj-$(CONFIG_KGDB) += ip27-dbgio.o -obj-$(CONFIG_SMP) += ip27-smp.o +obj-$(CONFIG_EARLY_PRINTK) += ip27-console.o +obj-$(CONFIG_KGDB) += ip27-dbgio.o +obj-$(CONFIG_SMP) += ip27-smp.o EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/sgi-ip27/ip27-console.c b/arch/mips/sgi-ip27/ip27-console.c index 3e1ac299b80471..14211e38237460 100644 --- a/arch/mips/sgi-ip27/ip27-console.c +++ b/arch/mips/sgi-ip27/ip27-console.c @@ -46,33 +46,29 @@ void prom_putchar(char c) uart->iu_thr = c; } -char __init prom_getchar(void) +static void ioc3_console_write(struct console *con, const char *s, unsigned n) { - return 0; + while (n-- && *s) { + if (*s == '\n') + prom_putchar('\r'); + prom_putchar(*s); + s++; + } } -static void inline ioc3_console_probe(void) -{ - struct uart_port up; - - /* - * Register to interrupt zero because we share the interrupt with - * the serial driver which we don't properly support yet. - */ - memset(&up, 0, sizeof(up)); - up.membase = (unsigned char *) console_uart(); - up.irq = 0; - up.uartclk = IOC3_CLK; - up.regshift = 0; - up.iotype = UPIO_MEM; - up.flags = IOC3_FLAGS; - up.line = 0; +static struct console ioc3_console = { + .name = "ioc3", + .write = ioc3_console_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1 +}; - if (early_serial_setup(&up)) - printk(KERN_ERR "Early serial init of port 0 failed\n"); +__init void ip27_setup_console(void) +{ + register_console(&ioc3_console); } -__init void ip27_setup_console(void) +void __init disable_early_printk(void) { - ioc3_console_probe(); + unregister_console(&ioc3_console); } diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig index 816aee7fcd2530..ec7a2cffacf014 100644 --- a/arch/mips/sibyte/Kconfig +++ b/arch/mips/sibyte/Kconfig @@ -3,6 +3,7 @@ config SIBYTE_SB1250 select HW_HAS_PCI select SIBYTE_HAS_LDT select SIBYTE_SB1xxx_SOC + select SYS_SUPPORTS_SMP config SIBYTE_BCM1120 bool @@ -30,11 +31,13 @@ config SIBYTE_BCM1x80 bool select HW_HAS_PCI select SIBYTE_SB1xxx_SOC + select SYS_SUPPORTS_SMP config SIBYTE_BCM1x55 bool select HW_HAS_PCI select SIBYTE_SB1xxx_SOC + select SYS_SUPPORTS_SMP config SIBYTE_SB1xxx_SOC bool diff --git a/include/asm-mips/asmmacro.h b/include/asm-mips/asmmacro.h index 2c42f6b00a49e2..92e62ef711edba 100644 --- a/include/asm-mips/asmmacro.h +++ b/include/asm-mips/asmmacro.h @@ -26,14 +26,14 @@ ori \reg, \reg, TCSTATUS_IXMT xori \reg, \reg, TCSTATUS_IXMT mtc0 \reg, CP0_TCSTATUS - ehb + _ehb .endm .macro local_irq_disable reg=t0 mfc0 \reg, CP0_TCSTATUS ori \reg, \reg, TCSTATUS_IXMT mtc0 \reg, CP0_TCSTATUS - ehb + _ehb .endm #else .macro local_irq_enable reg=t0 diff --git a/include/asm-mips/cpu-features.h b/include/asm-mips/cpu-features.h index 881ce1f9803da7..44285a9d55204c 100644 --- a/include/asm-mips/cpu-features.h +++ b/include/asm-mips/cpu-features.h @@ -187,19 +187,15 @@ # endif #endif -#ifdef CONFIG_CPU_MIPSR2 -# if defined(CONFIG_CPU_MIPSR2_IRQ_VI) && !defined(cpu_has_vint) -# define cpu_has_vint (cpu_data[0].options & MIPS_CPU_VINT) -# else -# define cpu_has_vint 0 -# endif -# if defined(CONFIG_CPU_MIPSR2_IRQ_EI) && !defined(cpu_has_veic) -# define cpu_has_veic (cpu_data[0].options & MIPS_CPU_VEIC) -# else -# define cpu_has_veic 0 -# endif -#else +#if defined(CONFIG_CPU_MIPSR2_IRQ_VI) && !defined(cpu_has_vint) +# define cpu_has_vint (cpu_data[0].options & MIPS_CPU_VINT) +#elif !defined(cpu_has_vint) # define cpu_has_vint 0 +#endif + +#if defined(CONFIG_CPU_MIPSR2_IRQ_EI) && !defined(cpu_has_veic) +# define cpu_has_veic (cpu_data[0].options & MIPS_CPU_VEIC) +#elif !defined(cpu_has_veic) # define cpu_has_veic 0 #endif diff --git a/include/asm-mips/fixmap.h b/include/asm-mips/fixmap.h index 1cadefbbc0373b..6959bdb59310b0 100644 --- a/include/asm-mips/fixmap.h +++ b/include/asm-mips/fixmap.h @@ -69,7 +69,11 @@ extern void __set_fixmap (enum fixed_addresses idx, * the start of the fixmap, and leave one page empty * at the top of mem.. */ +#if defined(CONFIG_CPU_TX39XX) || defined(CONFIG_CPU_TX49XX) +#define FIXADDR_TOP (0xff000000UL - 0x2000) +#else #define FIXADDR_TOP (0xffffe000UL) +#endif #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h index 66943c451c1dbc..25f5e8a4177d13 100644 --- a/include/asm-mips/hazards.h +++ b/include/asm-mips/hazards.h @@ -69,10 +69,10 @@ * Use a macro for ehb unless explicit support for MIPSR2 is enabled */ -#define irq_enable_hazard +#define irq_enable_hazard \ _ehb -#define irq_disable_hazard +#define irq_disable_hazard \ _ehb #elif defined(CONFIG_CPU_R10000) || defined(CONFIG_CPU_RM9000) diff --git a/include/asm-mips/irq.h b/include/asm-mips/irq.h index d35c61776a0249..896550bad3229c 100644 --- a/include/asm-mips/irq.h +++ b/include/asm-mips/irq.h @@ -76,4 +76,8 @@ extern int setup_irq_smtc(unsigned int irq, struct irqaction * new, unsigned long hwmask); #endif /* CONFIG_MIPS_MT_SMTC */ +#ifdef CONFIG_SMP +#define ARCH_HAS_IRQ_PER_CPU +#endif + #endif /* _ASM_IRQ_H */ diff --git a/include/asm-mips/mach-au1x00/au1xxx_psc.h b/include/asm-mips/mach-au1x00/au1xxx_psc.h index d7cbacdd21fe57..1bd4e27caf6b70 100644 --- a/include/asm-mips/mach-au1x00/au1xxx_psc.h +++ b/include/asm-mips/mach-au1x00/au1xxx_psc.h @@ -512,7 +512,7 @@ typedef struct psc_smb { /* Transmit register control. */ -#define PSC_SMBTXRX_RSR (1 << 30) +#define PSC_SMBTXRX_RSR (1 << 28) #define PSC_SMBTXRX_STP (1 << 29) #define PSC_SMBTXRX_DATAMASK (0xff) diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h index 673977901ed3e6..9192d76c133dc4 100644 --- a/include/asm-mips/mipsregs.h +++ b/include/asm-mips/mipsregs.h @@ -1459,7 +1459,8 @@ static inline void __emt(unsigned int previous) static inline void __ehb(void) { __asm__ __volatile__( - " ehb \n"); + " .set mips32r2 \n" + " ehb \n" " .set mips0 \n"); } /* diff --git a/include/asm-mips/sn/ioc3.h b/include/asm-mips/sn/ioc3.h index f7d530f306f26b..099677774d71b7 100644 --- a/include/asm-mips/sn/ioc3.h +++ b/include/asm-mips/sn/ioc3.h @@ -5,6 +5,8 @@ #ifndef _IOC3_H #define _IOC3_H +#include <linux/types.h> + /* SUPERIO uart register map */ typedef volatile struct ioc3_uartregs { union { diff --git a/include/asm-mips/sn/klconfig.h b/include/asm-mips/sn/klconfig.h index 52238e65af8e43..b63cd0655b3d55 100644 --- a/include/asm-mips/sn/klconfig.h +++ b/include/asm-mips/sn/klconfig.h @@ -602,7 +602,7 @@ typedef struct klcpu_s { /* CPU */ typedef struct klhub_s { /* HUB */ klinfo_t hub_info; - uint hub_flags; /* PCFG_HUB_xxx flags */ + unsigned int hub_flags; /* PCFG_HUB_xxx flags */ klport_t hub_port; /* hub is connected to this */ nic_t hub_box_nic; /* nic of containing box */ klconf_off_t hub_mfg_nic; /* MFG NIC string */ @@ -611,7 +611,7 @@ typedef struct klhub_s { /* HUB */ typedef struct klhub_uart_s { /* HUB */ klinfo_t hubuart_info; - uint hubuart_flags; /* PCFG_HUB_xxx flags */ + unsigned int hubuart_flags; /* PCFG_HUB_xxx flags */ nic_t hubuart_box_nic; /* nic of containing box */ } klhub_uart_t ; @@ -710,7 +710,7 @@ typedef struct klvmed_s { /* VME DEVICE - VME BOARD */ /* XXX - Don't we need the number of ports here?!? */ typedef struct klrou_s { /* ROUTER */ klinfo_t rou_info ; - uint rou_flags ; /* PCFG_ROUTER_xxx flags */ + unsigned int rou_flags ; /* PCFG_ROUTER_xxx flags */ nic_t rou_box_nic ; /* nic of the containing module */ klport_t rou_port[MAX_ROUTER_PORTS + 1] ; /* array index 1 to 6 */ klconf_off_t rou_mfg_nic ; /* MFG NIC string */ @@ -733,8 +733,8 @@ typedef struct klgfx_s { /* GRAPHICS Device */ klinfo_t gfx_info; klconf_off_t old_gndevs; /* for compatibility with older proms */ klconf_off_t old_gdoff0; /* for compatibility with older proms */ - uint cookie; /* for compatibility with older proms */ - uint moduleslot; + unsigned int cookie; /* for compatibility with older proms */ + unsigned int moduleslot; struct klgfx_s *gfx_next_pipe; graphics_t gfx_specific; klconf_off_t pad0; /* for compatibility with older proms */ diff --git a/include/asm-mips/stackframe.h b/include/asm-mips/stackframe.h index 513aa5133830e5..158a4cd12e460a 100644 --- a/include/asm-mips/stackframe.h +++ b/include/asm-mips/stackframe.h @@ -304,7 +304,7 @@ mfc0 v0, CP0_TCSTATUS ori v0, TCSTATUS_IXMT mtc0 v0, CP0_TCSTATUS - ehb + _ehb DMT 5 # dmt a1 jal mips_ihb #endif /* CONFIG_MIPS_MT_SMTC */ @@ -325,14 +325,14 @@ * restore TCStatus.IXMT. */ LONG_L v1, PT_TCSTATUS(sp) - ehb + _ehb mfc0 v0, CP0_TCSTATUS andi v1, TCSTATUS_IXMT /* We know that TCStatua.IXMT should be set from above */ xori v0, v0, TCSTATUS_IXMT or v0, v0, v1 mtc0 v0, CP0_TCSTATUS - ehb + _ehb andi a1, a1, VPECONTROL_TE beqz a1, 1f emt @@ -411,7 +411,7 @@ /* Clear TKSU, leave IXMT */ xori t0, 0x00001800 mtc0 t0, CP0_TCSTATUS - ehb + _ehb /* We need to leave the global IE bit set, but clear EXL...*/ mfc0 t0, CP0_STATUS ori t0, ST0_EXL | ST0_ERL @@ -438,7 +438,7 @@ * and enable interrupts only for the * current TC, using the TCStatus register. */ - ehb + _ehb mfc0 t0,CP0_TCSTATUS /* Fortunately CU 0 is in the same place in both registers */ /* Set TCU0, TKSU (for later inversion) and IXMT */ @@ -447,7 +447,7 @@ /* Clear TKSU *and* IXMT */ xori t0, 0x00001c00 mtc0 t0, CP0_TCSTATUS - ehb + _ehb /* We need to leave the global IE bit set, but clear EXL...*/ mfc0 t0, CP0_STATUS ori t0, ST0_EXL @@ -479,7 +479,7 @@ andi v1, v0, TCSTATUS_IXMT ori v0, TCSTATUS_IXMT mtc0 v0, CP0_TCSTATUS - ehb + _ehb DMT 2 # dmt v0 /* * We don't know a priori if ra is "live" @@ -495,7 +495,7 @@ xori t0, 0x1e mtc0 t0, CP0_STATUS #ifdef CONFIG_MIPS_MT_SMTC - ehb + _ehb andi v0, v0, VPECONTROL_TE beqz v0, 2f nop /* delay slot */ diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h index 8bb0bb9b2e68db..809f9f55bacb8f 100644 --- a/include/asm-mips/unistd.h +++ b/include/asm-mips/unistd.h @@ -326,16 +326,17 @@ #define __NR_unshare (__NR_Linux + 303) #define __NR_splice (__NR_Linux + 304) #define __NR_sync_file_range (__NR_Linux + 305) +#define __NR_tee (__NR_Linux + 306) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 305 +#define __NR_Linux_syscalls 306 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 305 +#define __NR_O32_Linux_syscalls 306 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -608,16 +609,17 @@ #define __NR_unshare (__NR_Linux + 262) #define __NR_splice (__NR_Linux + 263) #define __NR_sync_file_range (__NR_Linux + 264) +#define __NR_tee (__NR_Linux + 265) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 264 +#define __NR_Linux_syscalls 265 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 264 +#define __NR_64_Linux_syscalls 265 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -894,16 +896,17 @@ #define __NR_unshare (__NR_Linux + 266) #define __NR_splice (__NR_Linux + 267) #define __NR_sync_file_range (__NR_Linux + 268) +#define __NR_tee (__NR_Linux + 269) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 268 +#define __NR_Linux_syscalls 269 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 268 +#define __NR_N32_Linux_syscalls 269 #ifdef __KERNEL__ diff --git a/include/linux/elf-em.h b/include/linux/elf-em.h index 114a96d2565220..6a5796c81c900c 100644 --- a/include/linux/elf-em.h +++ b/include/linux/elf-em.h @@ -11,7 +11,12 @@ #define EM_486 6 /* Perhaps disused */ #define EM_860 7 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ + /* Next two are historical and binaries and + modules of these types will be rejected by + Linux. */ +#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ #define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */ + #define EM_PARISC 15 /* HPPA */ #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ #define EM_PPC 20 /* PowerPC */ |