From: Paul J R Date: Sun, 25 Aug 2013 21:30:35 +0000 (+1000) Subject: various kernel bits X-Git-Url: http://git.pjr.cc/?a=commitdiff_plain;h=d796120daacb16aff2e395f45e483a9b41004c6c;p=wyse_ntpd.git various kernel bits --- diff --git a/src/buildroot-2013.05/custom/filesystem/etc/init.d/S01custom_pre_startup b/src/buildroot-2013.05/custom/filesystem/etc/init.d/S01custom_pre_startup index 4b3546a..e5cd346 100755 --- a/src/buildroot-2013.05/custom/filesystem/etc/init.d/S01custom_pre_startup +++ b/src/buildroot-2013.05/custom/filesystem/etc/init.d/S01custom_pre_startup @@ -118,3 +118,8 @@ then else echo "Cant find pps device?" fi + +if [ "x$SYSLOG_HOST" != "x" ] +then + syslogd -R $SYSLOG_HOST +fi diff --git a/src/linux-3.10.9/.config b/src/linux-3.10.9/.config index eb6ed87..bb0b610 100644 --- a/src/linux-3.10.9/.config +++ b/src/linux-3.10.9/.config @@ -307,7 +307,7 @@ CONFIG_SCHED_OMIT_FRAME_POINTER=y # CONFIG_HYPERVISOR_GUEST is not set CONFIG_NO_BOOTMEM=y # CONFIG_MEMTEST is not set -CONFIG_M486=y +# CONFIG_M486 is not set # CONFIG_M586 is not set # CONFIG_M586TSC is not set # CONFIG_M586MMX is not set @@ -325,7 +325,7 @@ CONFIG_M486=y # CONFIG_MWINCHIP3D is not set # CONFIG_MELAN is not set # CONFIG_MGEODEGX1 is not set -# CONFIG_MGEODE_LX is not set +CONFIG_MGEODE_LX=y # CONFIG_MCYRIXIII is not set # CONFIG_MVIAC3_2 is not set # CONFIG_MVIAC7 is not set @@ -334,12 +334,13 @@ CONFIG_M486=y CONFIG_X86_GENERIC=y CONFIG_X86_INTERNODE_CACHE_SHIFT=6 CONFIG_X86_L1_CACHE_SHIFT=6 -# CONFIG_X86_PPRO_FENCE is not set -CONFIG_X86_F00F_BUG=y -CONFIG_X86_INVD_BUG=y -CONFIG_X86_ALIGNMENT_16=y CONFIG_X86_INTEL_USERCOPY=y +CONFIG_X86_USE_PPRO_CHECKSUM=y +CONFIG_X86_USE_3DNOW=y +CONFIG_X86_TSC=y +CONFIG_X86_CMOV=y CONFIG_X86_MINIMUM_CPU_FAMILY=4 +CONFIG_X86_DEBUGCTLMSR=y CONFIG_PROCESSOR_SELECT=y CONFIG_CPU_SUP_INTEL=y CONFIG_CPU_SUP_CYRIX_32=y @@ -381,6 +382,7 @@ CONFIG_X86_MSR=y CONFIG_X86_CPUID=y # CONFIG_NOHIGHMEM is not set CONFIG_HIGHMEM4G=y +# CONFIG_HIGHMEM64G is not set CONFIG_VMSPLIT_3G=y # CONFIG_VMSPLIT_3G_OPT is not set # CONFIG_VMSPLIT_2G is not set diff --git a/src/linux-3.10.9/arch/mips/loongson/common/cs5536/cs5536_isa.c b/src/linux-3.10.9/arch/mips/loongson/common/cs5536/cs5536_isa.c new file mode 100644 index 0000000..924be39 --- /dev/null +++ b/src/linux-3.10.9/arch/mips/loongson/common/cs5536/cs5536_isa.c @@ -0,0 +1,330 @@ +/* + * the ISA Virtual Support Module of AMD CS5536 + * + * Copyright (C) 2007 Lemote, Inc. + * Author : jlliu, liujl@lemote.com + * + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin, wuzhangjin@gmail.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. + */ + +#include +#include +#include + +/* common variables for PCI_ISA_READ/WRITE_BAR */ +static const u32 divil_msr_reg[6] = { + DIVIL_MSR_REG(DIVIL_LBAR_SMB), DIVIL_MSR_REG(DIVIL_LBAR_GPIO), + DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), DIVIL_MSR_REG(DIVIL_LBAR_IRQ), + DIVIL_MSR_REG(DIVIL_LBAR_PMS), DIVIL_MSR_REG(DIVIL_LBAR_ACPI), +}; + +static const u32 soft_bar_flag[6] = { + SOFT_BAR_SMB_FLAG, SOFT_BAR_GPIO_FLAG, SOFT_BAR_MFGPT_FLAG, + SOFT_BAR_IRQ_FLAG, SOFT_BAR_PMS_FLAG, SOFT_BAR_ACPI_FLAG, +}; + +static const u32 sb_msr_reg[6] = { + SB_MSR_REG(SB_R0), SB_MSR_REG(SB_R1), SB_MSR_REG(SB_R2), + SB_MSR_REG(SB_R3), SB_MSR_REG(SB_R4), SB_MSR_REG(SB_R5), +}; + +static const u32 bar_space_range[6] = { + CS5536_SMB_RANGE, CS5536_GPIO_RANGE, CS5536_MFGPT_RANGE, + CS5536_IRQ_RANGE, CS5536_PMS_RANGE, CS5536_ACPI_RANGE, +}; + +static const int bar_space_len[6] = { + CS5536_SMB_LENGTH, CS5536_GPIO_LENGTH, CS5536_MFGPT_LENGTH, + CS5536_IRQ_LENGTH, CS5536_PMS_LENGTH, CS5536_ACPI_LENGTH, +}; + +/* + * enable the divil module bar space. + * + * For all the DIVIL module LBAR, you should control the DIVIL LBAR reg + * and the RCONFx(0~5) reg to use the modules. + */ +static void divil_lbar_enable(void) +{ + u32 hi, lo; + int offset; + + /* + * The DIVIL IRQ is not used yet. and make the RCONF0 reserved. + */ + + for (offset = DIVIL_LBAR_SMB; offset <= DIVIL_LBAR_PMS; offset++) { + _rdmsr(DIVIL_MSR_REG(offset), &hi, &lo); + hi |= 0x01; + _wrmsr(DIVIL_MSR_REG(offset), hi, lo); + } +} + +/* + * disable the divil module bar space. + */ +static void divil_lbar_disable(void) +{ + u32 hi, lo; + int offset; + + for (offset = DIVIL_LBAR_SMB; offset <= DIVIL_LBAR_PMS; offset++) { + _rdmsr(DIVIL_MSR_REG(offset), &hi, &lo); + hi &= ~0x01; + _wrmsr(DIVIL_MSR_REG(offset), hi, lo); + } +} + +/* + * BAR write: write value to the n BAR + */ + +void pci_isa_write_bar(int n, u32 value) +{ + u32 hi = 0, lo = value; + + if (value == PCI_BAR_RANGE_MASK) { + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + lo |= soft_bar_flag[n]; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else if (value & 0x01) { + /* NATIVE reg */ + hi = 0x0000f001; + lo &= bar_space_range[n]; + _wrmsr(divil_msr_reg[n], hi, lo); + + /* RCONFx is 4bytes in units for I/O space */ + hi = ((value & 0x000ffffc) << 12) | + ((bar_space_len[n] - 4) << 12) | 0x01; + lo = ((value & 0x000ffffc) << 12) | 0x01; + _wrmsr(sb_msr_reg[n], hi, lo); + } +} + +/* + * BAR read: read the n BAR + */ + +u32 pci_isa_read_bar(int n) +{ + u32 conf_data = 0; + u32 hi, lo; + + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & soft_bar_flag[n]) { + conf_data = bar_space_range[n] | PCI_BASE_ADDRESS_SPACE_IO; + lo &= ~soft_bar_flag[n]; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(divil_msr_reg[n], &hi, &lo); + conf_data = lo & bar_space_range[n]; + conf_data |= 0x01; + conf_data &= ~0x02; + } + return conf_data; +} + +/* + * isa_write: ISA write transfer + * + * We assume that this is not a bus master transfer. + */ +void pci_isa_write_reg(int reg, u32 value) +{ + u32 hi = 0, lo = value; + u32 temp; + + switch (reg) { + case PCI_COMMAND: + if (value & PCI_COMMAND_IO) + divil_lbar_enable(); + else + divil_lbar_disable(); + break; + case PCI_STATUS: + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + temp = lo & 0x0000ffff; + if ((value & PCI_STATUS_SIG_TARGET_ABORT) && + (lo & SB_TAS_ERR_EN)) + temp |= SB_TAS_ERR_FLAG; + + if ((value & PCI_STATUS_REC_TARGET_ABORT) && + (lo & SB_TAR_ERR_EN)) + temp |= SB_TAR_ERR_FLAG; + + if ((value & PCI_STATUS_REC_MASTER_ABORT) + && (lo & SB_MAR_ERR_EN)) + temp |= SB_MAR_ERR_FLAG; + + if ((value & PCI_STATUS_DETECTED_PARITY) + && (lo & SB_PARE_ERR_EN)) + temp |= SB_PARE_ERR_FLAG; + + lo = temp; + _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); + break; + case PCI_CACHE_LINE_SIZE: + value &= 0x0000ff00; + _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); + hi &= 0xffffff00; + hi |= (value >> 8); + _wrmsr(SB_MSR_REG(SB_CTRL), hi, lo); + break; + case PCI_BAR0_REG: + pci_isa_write_bar(0, value); + break; + case PCI_BAR1_REG: + pci_isa_write_bar(1, value); + break; + case PCI_BAR2_REG: + pci_isa_write_bar(2, value); + break; + case PCI_BAR3_REG: + pci_isa_write_bar(3, value); + break; + case PCI_BAR4_REG: + pci_isa_write_bar(4, value); + break; + case PCI_BAR5_REG: + pci_isa_write_bar(5, value); + break; + case PCI_UART1_INT_REG: + _rdmsr(DIVIL_MSR_REG(PIC_YSEL_HIGH), &hi, &lo); + /* disable uart1 interrupt in PIC */ + lo &= ~(0xf << 24); + if (value) /* enable uart1 interrupt in PIC */ + lo |= (CS5536_UART1_INTR << 24); + _wrmsr(DIVIL_MSR_REG(PIC_YSEL_HIGH), hi, lo); + break; + case PCI_UART2_INT_REG: + _rdmsr(DIVIL_MSR_REG(PIC_YSEL_HIGH), &hi, &lo); + /* disable uart2 interrupt in PIC */ + lo &= ~(0xf << 28); + if (value) /* enable uart2 interrupt in PIC */ + lo |= (CS5536_UART2_INTR << 28); + _wrmsr(DIVIL_MSR_REG(PIC_YSEL_HIGH), hi, lo); + break; + case PCI_ISA_FIXUP_REG: + if (value) { + /* enable the TARGET ABORT/MASTER ABORT etc. */ + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + lo |= 0x00000063; + _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); + } + + default: + /* ALL OTHER PCI CONFIG SPACE HEADER IS NOT IMPLEMENTED. */ + break; + } +} + +/* + * isa_read: ISA read transfers + * + * We assume that this is not a bus master transfer. + */ +u32 pci_isa_read_reg(int reg) +{ + u32 conf_data = 0; + u32 hi, lo; + + switch (reg) { + case PCI_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_ISA_DEVICE_ID, CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + /* we just check the first LBAR for the IO enable bit, */ + /* maybe we should changed later. */ + _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_SMB), &hi, &lo); + if (hi & 0x01) + conf_data |= PCI_COMMAND_IO; + break; + case PCI_STATUS: + conf_data |= PCI_STATUS_66MHZ; + conf_data |= PCI_STATUS_DEVSEL_MEDIUM; + conf_data |= PCI_STATUS_FAST_BACK; + + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_TAS_ERR_FLAG) + conf_data |= PCI_STATUS_SIG_TARGET_ABORT; + if (lo & SB_TAR_ERR_FLAG) + conf_data |= PCI_STATUS_REC_TARGET_ABORT; + if (lo & SB_MAR_ERR_FLAG) + conf_data |= PCI_STATUS_REC_MASTER_ABORT; + if (lo & SB_PARE_ERR_FLAG) + conf_data |= PCI_STATUS_DETECTED_PARITY; + break; + case PCI_CLASS_REVISION: + _rdmsr(GLCP_MSR_REG(GLCP_CHIP_REV_ID), &hi, &lo); + conf_data = lo & 0x000000ff; + conf_data |= (CS5536_ISA_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: + _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); + hi &= 0x000000f8; + conf_data = CFG_PCI_CACHE_LINE_SIZE(PCI_BRIDGE_HEADER_TYPE, hi); + break; + /* + * we only use the LBAR of DIVIL, no RCONF used. + * all of them are IO space. + */ + case PCI_BAR0_REG: + return pci_isa_read_bar(0); + break; + case PCI_BAR1_REG: + return pci_isa_read_bar(1); + break; + case PCI_BAR2_REG: + return pci_isa_read_bar(2); + break; + case PCI_BAR3_REG: + break; + case PCI_BAR4_REG: + return pci_isa_read_bar(4); + break; + case PCI_BAR5_REG: + return pci_isa_read_bar(5); + break; + case PCI_CARDBUS_CIS: + conf_data = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: + conf_data = + CFG_PCI_VENDOR_ID(CS5536_ISA_SUB_ID, CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: + conf_data = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: + conf_data = PCI_CAPLIST_POINTER; + break; + case PCI_INTERRUPT_LINE: + /* no interrupt used here */ + conf_data = CFG_PCI_INTERRUPT_LINE(0x00, 0x00); + break; + default: + break; + } + + return conf_data; +} + +/* + * The mfgpt timer interrupt is running early, so we must keep the south bridge + * mmio always enabled. Otherwise we may race with the PCI configuration which + * may temporarily disable it. When that happens and the timer interrupt fires, + * we are not able to clear it and the system will hang. + */ +static void cs5536_isa_mmio_always_on(struct pci_dev *dev) +{ + dev->mmio_always_on = 1; +} +DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, + PCI_CLASS_BRIDGE_ISA, 8, cs5536_isa_mmio_always_on);