diff options
134 files changed, 1537 insertions, 1897 deletions
diff --git a/Documentation/filesystems/squashfs.txt b/Documentation/filesystems/squashfs.txt index 3e79e4a..b324c03 100644 --- a/Documentation/filesystems/squashfs.txt +++ b/Documentation/filesystems/squashfs.txt @@ -22,7 +22,7 @@ Squashfs filesystem features versus Cramfs: Squashfs Cramfs -Max filesystem size: 2^64 16 MiB +Max filesystem size: 2^64 256 MiB Max file size: ~ 2 TiB 16 MiB Max files: unlimited unlimited Max directories: unlimited unlimited diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index 134af97..b7f2332 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -347,6 +347,111 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} #endif +/* -------------------------------------------------------------------- + * Compact Flash (PCMCIA or IDE) + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) || \ + defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) + +static struct at91_cf_data cf0_data; + +static struct resource cf0_resources[] = { + [0] = { + .start = AT91_CHIPSELECT_4, + .end = AT91_CHIPSELECT_4 + SZ_256M - 1, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, + } +}; + +static struct platform_device cf0_device = { + .id = 0, + .dev = { + .platform_data = &cf0_data, + }, + .resource = cf0_resources, + .num_resources = ARRAY_SIZE(cf0_resources), +}; + +static struct at91_cf_data cf1_data; + +static struct resource cf1_resources[] = { + [0] = { + .start = AT91_CHIPSELECT_5, + .end = AT91_CHIPSELECT_5 + SZ_256M - 1, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, + } +}; + +static struct platform_device cf1_device = { + .id = 1, + .dev = { + .platform_data = &cf1_data, + }, + .resource = cf1_resources, + .num_resources = ARRAY_SIZE(cf1_resources), +}; + +void __init at91_add_device_cf(struct at91_cf_data *data) +{ + unsigned long ebi0_csa; + struct platform_device *pdev; + + if (!data) + return; + + /* + * assign CS4 or CS5 to SMC with Compact Flash logic support, + * we assume SMC timings are configured by board code, + * except True IDE where timings are controlled by driver + */ + ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA); + switch (data->chipselect) { + case 4: + at91_set_A_periph(AT91_PIN_PD6, 0); /* EBI0_NCS4/CFCS0 */ + ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1; + cf0_data = *data; + pdev = &cf0_device; + break; + case 5: + at91_set_A_periph(AT91_PIN_PD7, 0); /* EBI0_NCS5/CFCS1 */ + ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2; + cf1_data = *data; + pdev = &cf1_device; + break; + default: + printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n", + data->chipselect); + return; + } + at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa); + + if (data->det_pin) { + at91_set_gpio_input(data->det_pin, 1); + at91_set_deglitch(data->det_pin, 1); + } + + if (data->irq_pin) { + at91_set_gpio_input(data->irq_pin, 1); + at91_set_deglitch(data->irq_pin, 1); + } + + if (data->vcc_pin) + /* initially off */ + at91_set_gpio_output(data->vcc_pin, 0); + + /* enable EBI controlled pins */ + at91_set_A_periph(AT91_PIN_PD5, 1); /* NWAIT */ + at91_set_A_periph(AT91_PIN_PD8, 0); /* CFCE1 */ + at91_set_A_periph(AT91_PIN_PD9, 0); /* CFCE2 */ + at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */ + + pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf"; + platform_device_register(pdev); +} +#else +void __init at91_add_device_cf(struct at91_cf_data *data) {} +#endif /* -------------------------------------------------------------------- * NAND / SmartMedia diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index 0b3ae21..793fe7b 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -56,6 +56,9 @@ struct at91_cf_data { u8 vcc_pin; /* power switching */ u8 rst_pin; /* card reset */ u8 chipselect; /* EBI Chip Select number */ + u8 flags; +#define AT91_CF_TRUE_IDE 0x01 +#define AT91_IDE_SWAP_A0_A2 0x02 }; extern void __init at91_add_device_cf(struct at91_cf_data *data); diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 8f1f97d..0c1f86e 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -1129,6 +1129,7 @@ endchoice config PM_WAKEUP_BY_GPIO bool "Allow Wakeup from Standby by GPIO" + depends on PM && !BF54x config PM_WAKEUP_GPIO_NUMBER int "GPIO number" @@ -1168,6 +1169,12 @@ config PM_BFIN_WAKE_GP default n help Enable General-Purpose Wake-Up (Voltage Regulator Power-Up) + (all processors, except ADSP-BF549). This option sets + the general-purpose wake-up enable (GPWE) control bit to enable + wake-up upon detection of an active low signal on the /GPW (PH7) pin. + On ADSP-BF549 this option enables the the same functionality on the + /MRXON pin also PH7. + endmenu menu "CPU Frequency scaling" diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index 5f981d9..79e7e63 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -21,12 +21,6 @@ config DEBUG_STACK_USAGE config HAVE_ARCH_KGDB def_bool y -config KGDB_TESTCASE - tristate "KGDB: for test case in expect" - default n - help - This is a kgdb test case for automated testing. - config DEBUG_VERBOSE bool "Verbose fault messages" default y diff --git a/arch/blackfin/configs/BF518F-EZBRD_defconfig b/arch/blackfin/configs/BF518F-EZBRD_defconfig index 4fdb9e0..281f4b6 100644 --- a/arch/blackfin/configs/BF518F-EZBRD_defconfig +++ b/arch/blackfin/configs/BF518F-EZBRD_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.28-rc2 -# Fri Jan 9 17:58:41 2009 +# Linux kernel version: 2.6.28 +# Fri Feb 20 10:01:44 2009 # # CONFIG_MMU is not set # CONFIG_FPU is not set @@ -133,10 +133,15 @@ CONFIG_BF518=y # CONFIG_BF538 is not set # CONFIG_BF539 is not set # CONFIG_BF542 is not set +# CONFIG_BF542M is not set # CONFIG_BF544 is not set +# CONFIG_BF544M is not set # CONFIG_BF547 is not set +# CONFIG_BF547M is not set # CONFIG_BF548 is not set +# CONFIG_BF548M is not set # CONFIG_BF549 is not set +# CONFIG_BF549M is not set # CONFIG_BF561 is not set CONFIG_BF_REV_MIN=0 CONFIG_BF_REV_MAX=2 @@ -426,7 +431,17 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set -# CONFIG_NET_DSA is not set +CONFIG_NET_DSA=y +# CONFIG_NET_DSA_TAG_DSA is not set +# CONFIG_NET_DSA_TAG_EDSA is not set +# CONFIG_NET_DSA_TAG_TRAILER is not set +CONFIG_NET_DSA_TAG_STPID=y +# CONFIG_NET_DSA_MV88E6XXX is not set +# CONFIG_NET_DSA_MV88E6060 is not set +# CONFIG_NET_DSA_MV88E6XXX_NEED_PPU is not set +# CONFIG_NET_DSA_MV88E6131 is not set +# CONFIG_NET_DSA_MV88E6123_61_65 is not set +CONFIG_NET_DSA_KSZ8893M=y # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set # CONFIG_LLC2 is not set @@ -529,6 +544,8 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y # # Self-contained MTD device drivers # +# CONFIG_MTD_DATAFLASH is not set +# CONFIG_MTD_M25P80 is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set @@ -561,7 +578,9 @@ CONFIG_BLK_DEV_RAM_SIZE=4096 # CONFIG_BLK_DEV_HD is not set CONFIG_MISC_DEVICES=y # CONFIG_EEPROM_93CX6 is not set +# CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_C2PORT is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set @@ -607,6 +626,7 @@ CONFIG_BFIN_RX_DESC_NUM=20 # CONFIG_SMC91X is not set # CONFIG_SMSC911X is not set # CONFIG_DM9000 is not set +# CONFIG_ENC28J60 is not set # CONFIG_IBM_NEW_EMAC_ZMII is not set # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set @@ -764,7 +784,23 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100 # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set # CONFIG_I2C_DEBUG_CHIP is not set -# CONFIG_SPI is not set +CONFIG_SPI=y +# CONFIG_SPI_DEBUG is not set +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_BFIN=y +# CONFIG_SPI_BFIN_LOCK is not set +# CONFIG_SPI_BITBANG is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_AT25 is not set +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y # CONFIG_GPIOLIB is not set # CONFIG_W1 is not set @@ -788,8 +824,10 @@ CONFIG_BFIN_WDT=y # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_MFD_TMIO is not set +# CONFIG_PMIC_DA903X is not set # CONFIG_MFD_WM8400 is not set # CONFIG_MFD_WM8350_I2C is not set +# CONFIG_REGULATOR is not set # # Multimedia devices @@ -861,10 +899,18 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set # # SPI RTC drivers # +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_DS1390 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set +# CONFIG_RTC_DRV_DS3234 is not set # # Platform RTC drivers @@ -1062,12 +1108,20 @@ CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_FAULT_INJECTION is not set CONFIG_SYSCTL_SYSCALL_CHECK=y + +# +# Tracers +# +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_BOOT_TRACER is not set # CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set # CONFIG_DEBUG_STACKOVERFLOW is not set # CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_KGDB_TESTCASE is not set CONFIG_DEBUG_VERBOSE=y CONFIG_DEBUG_MMRS=y # CONFIG_DEBUG_HWERR is not set @@ -1100,6 +1154,7 @@ CONFIG_CRYPTO=y # # CONFIG_CRYPTO_FIPS is not set # CONFIG_CRYPTO_MANAGER is not set +# CONFIG_CRYPTO_MANAGER2 is not set # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_CRYPTD is not set diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig index 833128b..a50050f 100644 --- a/arch/blackfin/configs/BF527-EZKIT_defconfig +++ b/arch/blackfin/configs/BF527-EZKIT_defconfig @@ -327,8 +327,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_MPU is not set # diff --git a/arch/blackfin/configs/BF533-EZKIT_defconfig b/arch/blackfin/configs/BF533-EZKIT_defconfig index 334c94b..0a2a00d 100644 --- a/arch/blackfin/configs/BF533-EZKIT_defconfig +++ b/arch/blackfin/configs/BF533-EZKIT_defconfig @@ -290,8 +290,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_MPU is not set # diff --git a/arch/blackfin/configs/BF533-STAMP_defconfig b/arch/blackfin/configs/BF533-STAMP_defconfig index 9d73343..eb02758 100644 --- a/arch/blackfin/configs/BF533-STAMP_defconfig +++ b/arch/blackfin/configs/BF533-STAMP_defconfig @@ -290,8 +290,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_MPU is not set # diff --git a/arch/blackfin/configs/BF537-STAMP_defconfig b/arch/blackfin/configs/BF537-STAMP_defconfig index 4fb4108..9e62b9f 100644 --- a/arch/blackfin/configs/BF537-STAMP_defconfig +++ b/arch/blackfin/configs/BF537-STAMP_defconfig @@ -298,8 +298,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_MPU is not set # @@ -568,15 +568,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set -CONFIG_MTD_NAND=m -# CONFIG_MTD_NAND_VERIFY_WRITE is not set -# CONFIG_MTD_NAND_ECC_SMC is not set -# CONFIG_MTD_NAND_MUSEUM_IDS is not set -# CONFIG_MTD_NAND_BFIN is not set -CONFIG_MTD_NAND_IDS=m -# CONFIG_MTD_NAND_DISKONCHIP is not set -# CONFIG_MTD_NAND_NANDSIM is not set -CONFIG_MTD_NAND_PLATFORM=m +# CONFIG_MTD_NAND is not set # CONFIG_MTD_ONENAND is not set # diff --git a/arch/blackfin/configs/BF538-EZKIT_defconfig b/arch/blackfin/configs/BF538-EZKIT_defconfig index cb32f56..dd6ad6be 100644 --- a/arch/blackfin/configs/BF538-EZKIT_defconfig +++ b/arch/blackfin/configs/BF538-EZKIT_defconfig @@ -306,8 +306,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_MPU is not set # diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig b/arch/blackfin/configs/BF548-EZKIT_defconfig index 0f869761..6bc2fb1 100644 --- a/arch/blackfin/configs/BF548-EZKIT_defconfig +++ b/arch/blackfin/configs/BF548-EZKIT_defconfig @@ -361,8 +361,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_BFIN_L2_CACHEABLE is not set # CONFIG_MPU is not set @@ -680,7 +680,7 @@ CONFIG_SCSI=y CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set # CONFIG_SCSI_NETLINK is not set -CONFIG_SCSI_PROC_FS=y +# CONFIG_SCSI_PROC_FS is not set # # SCSI support type (disk, tape, CD-ROM) diff --git a/arch/blackfin/configs/BF561-EZKIT_defconfig b/arch/blackfin/configs/BF561-EZKIT_defconfig index 042c7ad..69714fb 100644 --- a/arch/blackfin/configs/BF561-EZKIT_defconfig +++ b/arch/blackfin/configs/BF561-EZKIT_defconfig @@ -329,8 +329,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_BFIN_L2_CACHEABLE is not set # CONFIG_MPU is not set diff --git a/arch/blackfin/configs/BlackStamp_defconfig b/arch/blackfin/configs/BlackStamp_defconfig index 3a20e28..017c6ea 100644 --- a/arch/blackfin/configs/BlackStamp_defconfig +++ b/arch/blackfin/configs/BlackStamp_defconfig @@ -288,8 +288,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_MPU is not set # diff --git a/arch/blackfin/configs/CM-BF527_defconfig b/arch/blackfin/configs/CM-BF527_defconfig index 865ed85..d880ef7 100644 --- a/arch/blackfin/configs/CM-BF527_defconfig +++ b/arch/blackfin/configs/CM-BF527_defconfig @@ -332,8 +332,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set # CONFIG_MPU is not set # diff --git a/arch/blackfin/configs/CM-BF548_defconfig b/arch/blackfin/configs/CM-BF548_defconfig index efe9741..f410430 100644 --- a/arch/blackfin/configs/CM-BF548_defconfig +++ b/arch/blackfin/configs/CM-BF548_defconfig @@ -336,8 +336,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set CONFIG_L1_MAX_PIECE=16 # CONFIG_MPU is not set @@ -595,7 +595,7 @@ CONFIG_SCSI=y CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set # CONFIG_SCSI_NETLINK is not set -CONFIG_SCSI_PROC_FS=y +# CONFIG_SCSI_PROC_FS is not set # # SCSI support type (disk, tape, CD-ROM) diff --git a/arch/blackfin/configs/IP0X_defconfig b/arch/blackfin/configs/IP0X_defconfig index eae83b5..7db9387 100644 --- a/arch/blackfin/configs/IP0X_defconfig +++ b/arch/blackfin/configs/IP0X_defconfig @@ -612,7 +612,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 CONFIG_SCSI=y # CONFIG_SCSI_TGT is not set # CONFIG_SCSI_NETLINK is not set -CONFIG_SCSI_PROC_FS=y +# CONFIG_SCSI_PROC_FS is not set # # SCSI support type (disk, tape, CD-ROM) diff --git a/arch/blackfin/configs/SRV1_defconfig b/arch/blackfin/configs/SRV1_defconfig index fa580af..a46529c 100644 --- a/arch/blackfin/configs/SRV1_defconfig +++ b/arch/blackfin/configs/SRV1_defconfig @@ -282,8 +282,8 @@ CONFIG_BFIN_ICACHE=y CONFIG_BFIN_DCACHE=y # CONFIG_BFIN_DCACHE_BANKA is not set # CONFIG_BFIN_ICACHE_LOCK is not set -# CONFIG_BFIN_WB is not set -CONFIG_BFIN_WT=y +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set CONFIG_L1_MAX_PIECE=16 # diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild index 606ecfd..09c3141 100644 --- a/arch/blackfin/include/asm/Kbuild +++ b/arch/blackfin/include/asm/Kbuild @@ -1,3 +1,4 @@ include include/asm-generic/Kbuild.asm +unifdef-y += bfin_sport.h unifdef-y += fixed_code.h diff --git a/arch/blackfin/include/asm/bfin_sport.h b/arch/blackfin/include/asm/bfin_sport.h index fe88a2c..65a651d 100644 --- a/arch/blackfin/include/asm/bfin_sport.h +++ b/arch/blackfin/include/asm/bfin_sport.h @@ -1,30 +1,9 @@ /* - * File: include/asm-blackfin/bfin_sport.h - * Based on: - * Author: Roy Huang (roy.huang@analog.com) + * bfin_sport.h - userspace header for bfin sport driver * - * Created: Thu Aug. 24 2006 - * Description: + * Copyright 2004-2008 Analog Devices Inc. * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the GPL-2 or later. */ #ifndef __BFIN_SPORT_H__ @@ -42,11 +21,10 @@ #define NORM_FORMAT 0x0 #define ALAW_FORMAT 0x2 #define ULAW_FORMAT 0x3 -struct sport_register; /* Function driver which use sport must initialize the structure */ struct sport_config { - /*TDM (multichannels), I2S or other mode */ + /* TDM (multichannels), I2S or other mode */ unsigned int mode:3; /* if TDM mode is selected, channels must be set */ @@ -72,12 +50,18 @@ struct sport_config { int serial_clk; int fsync_clk; - unsigned int data_format:2; /*Normal, u-law or a-law */ + unsigned int data_format:2; /* Normal, u-law or a-law */ int word_len; /* How length of the word in bits, 3-32 bits */ int dma_enabled; }; +/* Userspace interface */ +#define SPORT_IOC_MAGIC 'P' +#define SPORT_IOC_CONFIG _IOWR('P', 0x01, struct sport_config) + +#ifdef __KERNEL__ + struct sport_register { unsigned short tcr1; unsigned short reserved0; @@ -117,9 +101,6 @@ struct sport_register { unsigned long mrcs3; }; -#define SPORT_IOC_MAGIC 'P' -#define SPORT_IOC_CONFIG _IOWR('P', 0x01, struct sport_config) - struct sport_dev { struct cdev cdev; /* Char device structure */ @@ -149,6 +130,8 @@ struct sport_dev { struct sport_config config; }; +#endif + #define SPORT_TCR1 0 #define SPORT_TCR2 1 #define SPORT_TCLKDIV 2 @@ -169,4 +152,4 @@ struct sport_dev { #define SPORT_MRCS2 22 #define SPORT_MRCS3 23 -#endif /*__BFIN_SPORT_H__*/ +#endif diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h index 76f53d8..343b563 100644 --- a/arch/blackfin/include/asm/ipipe.h +++ b/arch/blackfin/include/asm/ipipe.h @@ -35,9 +35,9 @@ #include <asm/atomic.h> #include <asm/traps.h> -#define IPIPE_ARCH_STRING "1.8-00" +#define IPIPE_ARCH_STRING "1.9-00" #define IPIPE_MAJOR_NUMBER 1 -#define IPIPE_MINOR_NUMBER 8 +#define IPIPE_MINOR_NUMBER 9 #define IPIPE_PATCH_NUMBER 0 #ifdef CONFIG_SMP @@ -83,9 +83,9 @@ struct ipipe_sysinfo { "%2 = CYCLES2\n" \ "CC = %2 == %0\n" \ "if ! CC jump 1b\n" \ - : "=r" (((unsigned long *)&t)[1]), \ - "=r" (((unsigned long *)&t)[0]), \ - "=r" (__cy2) \ + : "=d,a" (((unsigned long *)&t)[1]), \ + "=d,a" (((unsigned long *)&t)[0]), \ + "=d,a" (__cy2) \ : /*no input*/ : "CC"); \ t; \ }) @@ -118,35 +118,40 @@ void __ipipe_disable_irqdesc(struct ipipe_domain *ipd, #define __ipipe_disable_irq(irq) (irq_desc[irq].chip->mask(irq)) -#define __ipipe_lock_root() \ - set_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags) +static inline int __ipipe_check_tickdev(const char *devname) +{ + return 1; +} -#define __ipipe_unlock_root() \ - clear_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags) +static inline void __ipipe_lock_root(void) +{ + set_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)); +} + +static inline void __ipipe_unlock_root(void) +{ + clear_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)); +} void __ipipe_enable_pipeline(void); #define __ipipe_hook_critical_ipi(ipd) do { } while (0) -#define __ipipe_sync_pipeline(syncmask) \ - do { \ - struct ipipe_domain *ipd = ipipe_current_domain; \ - if (likely(ipd != ipipe_root_domain || !test_bit(IPIPE_ROOTLOCK_FLAG, &ipd->flags))) \ - __ipipe_sync_stage(syncmask); \ - } while (0) +#define __ipipe_sync_pipeline ___ipipe_sync_pipeline +void ___ipipe_sync_pipeline(unsigned long syncmask); void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs); int __ipipe_get_irq_priority(unsigned irq); -int __ipipe_get_irqthread_priority(unsigned irq); - void __ipipe_stall_root_raw(void); void __ipipe_unstall_root_raw(void); void __ipipe_serial_debug(const char *fmt, ...); +asmlinkage void __ipipe_call_irqtail(unsigned long addr); + DECLARE_PER_CPU(struct pt_regs, __ipipe_tick_regs); extern unsigned long __ipipe_core_clock; @@ -162,42 +167,25 @@ static inline unsigned long __ipipe_ffnz(unsigned long ul) #define __ipipe_run_irqtail() /* Must be a macro */ \ do { \ - asmlinkage void __ipipe_call_irqtail(void); \ unsigned long __pending; \ - CSYNC(); \ + CSYNC(); \ __pending = bfin_read_IPEND(); \ if (__pending & 0x8000) { \ __pending &= ~0x8010; \ if (__pending && (__pending & (__pending - 1)) == 0) \ - __ipipe_call_irqtail(); \ + __ipipe_call_irqtail(__ipipe_irq_tail_hook); \ } \ } while (0) #define __ipipe_run_isr(ipd, irq) \ do { \ if (ipd == ipipe_root_domain) { \ - /* \ - * Note: the I-pipe implements a threaded interrupt model on \ - * this arch for Linux external IRQs. The interrupt handler we \ - * call here only wakes up the associated IRQ thread. \ - */ \ - if (ipipe_virtual_irq_p(irq)) { \ - /* No irqtail here; virtual interrupts have no effect \ - on IPEND so there is no need for processing \ - deferral. */ \ - local_irq_enable_nohead(ipd); \ + local_irq_enable_hw(); \ + if (ipipe_virtual_irq_p(irq)) \ ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \ - local_irq_disable_nohead(ipd); \ - } else \ - /* \ - * No need to run the irqtail here either; \ - * we can't be preempted by hw IRQs, so \ - * non-Linux IRQs cannot stack over the short \ - * thread wakeup code. Which in turn means \ - * that no irqtail condition could be pending \ - * for domains above Linux in the pipeline. \ - */ \ + else \ ipd->irqs[irq].handler(irq, &__raw_get_cpu_var(__ipipe_tick_regs)); \ + local_irq_disable_hw(); \ } else { \ __clear_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \ local_irq_enable_nohead(ipd); \ @@ -217,42 +205,24 @@ void ipipe_init_irq_threads(void); int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc); -#define IS_SYSIRQ(irq) ((irq) > IRQ_CORETMR && (irq) <= SYS_IRQS) -#define IS_GPIOIRQ(irq) ((irq) >= GPIO_IRQ_BASE && (irq) < NR_IRQS) - +#ifdef CONFIG_GENERIC_CLOCKEVENTS +#define IRQ_SYSTMR IRQ_CORETMR +#define IRQ_PRIOTMR IRQ_CORETMR +#else #define IRQ_SYSTMR IRQ_TIMER0 #define IRQ_PRIOTMR CONFIG_IRQ_TIMER0 +#endif -#if defined(CONFIG_BF531) || defined(CONFIG_BF532) || defined(CONFIG_BF533) -#define PRIO_GPIODEMUX(irq) CONFIG_PFA -#elif defined(CONFIG_BF534) || defined(CONFIG_BF536) || defined(CONFIG_BF537) -#define PRIO_GPIODEMUX(irq) CONFIG_IRQ_PROG_INTA -#elif defined(CONFIG_BF52x) -#define PRIO_GPIODEMUX(irq) ((irq) == IRQ_PORTF_INTA ? CONFIG_IRQ_PORTF_INTA : \ - (irq) == IRQ_PORTG_INTA ? CONFIG_IRQ_PORTG_INTA : \ - (irq) == IRQ_PORTH_INTA ? CONFIG_IRQ_PORTH_INTA : \ - -1) -#elif defined(CONFIG_BF561) -#define PRIO_GPIODEMUX(irq) ((irq) == IRQ_PROG0_INTA ? CONFIG_IRQ_PROG0_INTA : \ - (irq) == IRQ_PROG1_INTA ? CONFIG_IRQ_PROG1_INTA : \ - (irq) == IRQ_PROG2_INTA ? CONFIG_IRQ_PROG2_INTA : \ - -1) +#ifdef CONFIG_BF561 #define bfin_write_TIMER_DISABLE(val) bfin_write_TMRS8_DISABLE(val) #define bfin_write_TIMER_ENABLE(val) bfin_write_TMRS8_ENABLE(val) #define bfin_write_TIMER_STATUS(val) bfin_write_TMRS8_STATUS(val) #define bfin_read_TIMER_STATUS() bfin_read_TMRS8_STATUS() #elif defined(CONFIG_BF54x) -#define PRIO_GPIODEMUX(irq) ((irq) == IRQ_PINT0 ? CONFIG_IRQ_PINT0 : \ - (irq) == IRQ_PINT1 ? CONFIG_IRQ_PINT1 : \ - (irq) == IRQ_PINT2 ? CONFIG_IRQ_PINT2 : \ - (irq) == IRQ_PINT3 ? CONFIG_IRQ_PINT3 : \ - -1) #define bfin_write_TIMER_DISABLE(val) bfin_write_TIMER_DISABLE0(val) #define bfin_write_TIMER_ENABLE(val) bfin_write_TIMER_ENABLE0(val) #define bfin_write_TIMER_STATUS(val) bfin_write_TIMER_STATUS0(val) #define bfin_read_TIMER_STATUS(val) bfin_read_TIMER_STATUS0(val) -#else -# error "no PRIO_GPIODEMUX() for this part" #endif #define __ipipe_root_tick_p(regs) ((regs->ipend & 0x10) != 0) @@ -275,4 +245,6 @@ int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc); #endif /* !CONFIG_IPIPE */ +#define ipipe_update_tick_evtdev(evtdev) do { } while (0) + #endif /* !__ASM_BLACKFIN_IPIPE_H */ diff --git a/arch/blackfin/include/asm/ipipe_base.h b/arch/blackfin/include/asm/ipipe_base.h index cb1025a..3e8acbd 100644 --- a/arch/blackfin/include/asm/ipipe_base.h +++ b/arch/blackfin/include/asm/ipipe_base.h @@ -1,5 +1,5 @@ /* -*- linux-c -*- - * include/asm-blackfin/_baseipipe.h + * include/asm-blackfin/ipipe_base.h * * Copyright (C) 2007 Philippe Gerum. * @@ -27,8 +27,9 @@ #define IPIPE_NR_XIRQS NR_IRQS #define IPIPE_IRQ_ISHIFT 5 /* 2^5 for 32bits arch. */ -/* Blackfin-specific, global domain flags */ -#define IPIPE_ROOTLOCK_FLAG 1 /* Lock pipeline for root */ +/* Blackfin-specific, per-cpu pipeline status */ +#define IPIPE_SYNCDEFER_FLAG 15 +#define IPIPE_SYNCDEFER_MASK (1L << IPIPE_SYNCDEFER_MASK) /* Blackfin traps -- i.e. exception vector numbers */ #define IPIPE_NR_FAULTS 52 /* We leave a gap after VEC_ILL_RES. */ @@ -48,11 +49,6 @@ #ifndef __ASSEMBLY__ -#include <linux/bitops.h> - -extern int test_bit(int nr, const void *addr); - - extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */ static inline void __ipipe_stall_root(void) diff --git a/arch/blackfin/include/asm/irq.h b/arch/blackfin/include/asm/irq.h index 3d97790..7645e85 100644 --- a/arch/blackfin/include/asm/irq.h +++ b/arch/blackfin/include/asm/irq.h @@ -61,20 +61,38 @@ void __ipipe_restore_root(unsigned long flags); #define raw_irqs_disabled_flags(flags) (!irqs_enabled_from_flags_hw(flags)) #define local_test_iflag_hw(x) irqs_enabled_from_flags_hw(x) -#define local_save_flags(x) \ - do { \ - (x) = __ipipe_test_root() ? \ +#define local_save_flags(x) \ + do { \ + (x) = __ipipe_test_root() ? \ __all_masked_irq_flags : bfin_irq_flags; \ + barrier(); \ } while (0) -#define local_irq_save(x) \ - do { \ - (x) = __ipipe_test_and_stall_root(); \ +#define local_irq_save(x) \ + do { \ + (x) = __ipipe_test_and_stall_root() ? \ + __all_masked_irq_flags : bfin_irq_flags; \ + barrier(); \ + } while (0) + +static inline void local_irq_restore(unsigned long x) +{ + barrier(); + __ipipe_restore_root(x == __all_masked_irq_flags); +} + +#define local_irq_disable() \ + do { \ + __ipipe_stall_root(); \ + barrier(); \ } while (0) -#define local_irq_restore(x) __ipipe_restore_root(x) -#define local_irq_disable() __ipipe_stall_root() -#define local_irq_enable() __ipipe_unstall_root() +static inline void local_irq_enable(void) +{ + barrier(); + __ipipe_unstall_root(); +} + #define irqs_disabled() __ipipe_test_root() #define local_save_flags_hw(x) \ diff --git a/arch/blackfin/include/asm/thread_info.h b/arch/blackfin/include/asm/thread_info.h index e721ce5..2920087 100644 --- a/arch/blackfin/include/asm/thread_info.h +++ b/arch/blackfin/include/asm/thread_info.h @@ -122,6 +122,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_MEMDIE 4 #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ #define TIF_FREEZE 6 /* is freezing for suspend */ +#define TIF_IRQ_SYNC 7 /* sync pipeline stage */ /* as above, but as bit values */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) @@ -130,6 +131,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_FREEZE (1<<TIF_FREEZE) +#define _TIF_IRQ_SYNC (1<<TIF_IRQ_SYNC) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile index 4a92a86..fd4d432 100644 --- a/arch/blackfin/kernel/Makefile +++ b/arch/blackfin/kernel/Makefile @@ -15,13 +15,15 @@ else obj-y += time.o endif -CFLAGS_kgdb_test.o := -mlong-calls -O0 - obj-$(CONFIG_IPIPE) += ipipe.o obj-$(CONFIG_IPIPE_TRACE_MCOUNT) += mcount.o obj-$(CONFIG_BFIN_GPTIMERS) += gptimers.o obj-$(CONFIG_CPLB_INFO) += cplbinfo.o obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_KGDB) += kgdb.o -obj-$(CONFIG_KGDB_TESTCASE) += kgdb_test.o +obj-$(CONFIG_KGDB_TESTS) += kgdb_test.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o + +# the kgdb test puts code into L2 and without linker +# relaxation, we need to force long calls to/from it +CFLAGS_kgdb_test.o := -mlong-calls -O0 diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 0e28f75..d6c0677 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -53,9 +53,13 @@ void __init generate_cplb_tables_cpu(unsigned int cpu) i_d = i_i = 0; +#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO /* Set up the zero page. */ d_tbl[i_d].addr = 0; d_tbl[i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB; + i_tbl[i_i].addr = 0; + i_tbl[i_i++].data = SDRAM_OOPS | PAGE_SIZE_1KB; +#endif /* Cover kernel memory with 4M pages. */ addr = 0; diff --git a/arch/blackfin/kernel/ipipe.c b/arch/blackfin/kernel/ipipe.c index 339be5a..a5de8d4 100644 --- a/arch/blackfin/kernel/ipipe.c +++ b/arch/blackfin/kernel/ipipe.c @@ -35,14 +35,8 @@ #include <asm/atomic.h> #include <asm/io.h> -static int create_irq_threads; - DEFINE_PER_CPU(struct pt_regs, __ipipe_tick_regs); -static DEFINE_PER_CPU(unsigned long, pending_irqthread_mask); - -static DEFINE_PER_CPU(int [IVG13 + 1], pending_irq_count); - asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs); static void __ipipe_no_irqtail(void); @@ -93,6 +87,7 @@ void __ipipe_enable_pipeline(void) */ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs) { + struct ipipe_percpu_domain_data *p = ipipe_root_cpudom_ptr(); struct ipipe_domain *this_domain, *next_domain; struct list_head *head, *pos; int m_ack, s = -1; @@ -104,7 +99,6 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs) * interrupt. */ m_ack = (regs == NULL || irq == IRQ_SYSTMR || irq == IRQ_CORETMR); - this_domain = ipipe_current_domain; if (unlikely(test_bit(IPIPE_STICKY_FLAG, &this_domain->irqs[irq].control))) @@ -114,49 +108,28 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs) next_domain = list_entry(head, struct ipipe_domain, p_link); if (likely(test_bit(IPIPE_WIRED_FLAG, &next_domain->irqs[irq].control))) { if (!m_ack && next_domain->irqs[irq].acknowledge != NULL) - next_domain->irqs[irq].acknowledge(irq, irq_desc + irq); - if (test_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags)) - s = __test_and_set_bit(IPIPE_STALL_FLAG, - &ipipe_root_cpudom_var(status)); + next_domain->irqs[irq].acknowledge(irq, irq_to_desc(irq)); + if (test_bit(IPIPE_SYNCDEFER_FLAG, &p->status)) + s = __test_and_set_bit(IPIPE_STALL_FLAG, &p->status); __ipipe_dispatch_wired(next_domain, irq); - goto finalize; - return; + goto out; } } /* Ack the interrupt. */ pos = head; - while (pos != &__ipipe_pipeline) { next_domain = list_entry(pos, struct ipipe_domain, p_link); - /* - * For each domain handling the incoming IRQ, mark it - * as pending in its log. - */ if (test_bit(IPIPE_HANDLE_FLAG, &next_domain->irqs[irq].control)) { - /* - * Domains that handle this IRQ are polled for - * acknowledging it by decreasing priority - * order. The interrupt must be made pending - * _first_ in the domain's status flags before - * the PIC is unlocked. - */ __ipipe_set_irq_pending(next_domain, irq); - if (!m_ack && next_domain->irqs[irq].acknowledge != NULL) { - next_domain->irqs[irq].acknowledge(irq, irq_desc + irq); + next_domain->irqs[irq].acknowledge(irq, irq_to_desc(irq)); m_ack = 1; } } - - /* - * If the domain does not want the IRQ to be passed - * down the interrupt pipe, exit the loop now. - */ if (!test_bit(IPIPE_PASS_FLAG, &next_domain->irqs[irq].control)) break; - pos = next_domain->p_link.next; } @@ -166,18 +139,24 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs) * immediately to the current domain if the interrupt has been * marked as 'sticky'. This search does not go beyond the * current domain in the pipeline. We also enforce the - * additional root stage lock (blackfin-specific). */ + * additional root stage lock (blackfin-specific). + */ + if (test_bit(IPIPE_SYNCDEFER_FLAG, &p->status)) + s = __test_and_set_bit(IPIPE_STALL_FLAG, &p->status); - if (test_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags)) - s = __test_and_set_bit(IPIPE_STALL_FLAG, - &ipipe_root_cpudom_var(status)); -finalize: + /* + * If the interrupt preempted the head domain, then do not + * even try to walk the pipeline, unless an interrupt is + * pending for it. + */ + if (test_bit(IPIPE_AHEAD_FLAG, &this_domain->flags) && + ipipe_head_cpudom_var(irqpend_himask) == 0) + goto out; __ipipe_walk_pipeline(head); - +out: if (!s) - __clear_bit(IPIPE_STALL_FLAG, - &ipipe_root_cpudom_var(status)); + __clear_bit(IPIPE_STALL_FLAG, &p->status); } int __ipipe_check_root(void) @@ -187,7 +166,7 @@ int __ipipe_check_root(void) void __ipipe_enable_irqdesc(struct ipipe_domain *ipd, unsigned irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); int prio = desc->ic_prio; desc->depth = 0; @@ -199,7 +178,7 @@ EXPORT_SYMBOL(__ipipe_enable_irqdesc); void __ipipe_disable_irqdesc(struct ipipe_domain *ipd, unsigned irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); int prio = desc->ic_prio; if (ipd != &ipipe_root && @@ -236,15 +215,18 @@ int __ipipe_syscall_root(struct pt_regs *regs) { unsigned long flags; - /* We need to run the IRQ tail hook whenever we don't + /* + * We need to run the IRQ tail hook whenever we don't * propagate a syscall to higher domains, because we know that * important operations might be pending there (e.g. Xenomai - * deferred rescheduling). */ + * deferred rescheduling). + */ - if (!__ipipe_syscall_watched_p(current, regs->orig_p0)) { + if (regs->orig_p0 < NR_syscalls) { void (*hook)(void) = (void (*)(void))__ipipe_irq_tail_hook; hook(); - return 0; + if ((current->flags & PF_EVNOTIFY) == 0) + return 0; } /* @@ -312,112 +294,46 @@ int ipipe_trigger_irq(unsigned irq) { unsigned long flags; +#ifdef CONFIG_IPIPE_DEBUG if (irq >= IPIPE_NR_IRQS || (ipipe_virtual_irq_p(irq) && !test_bit(irq - IPIPE_VIRQ_BASE, &__ipipe_virtual_irq_map))) return -EINVAL; +#endif local_irq_save_hw(flags); - __ipipe_handle_irq(irq, NULL); - local_irq_restore_hw(flags); return 1; } -/* Move Linux IRQ to threads. */ - -static int do_irqd(void *__desc) +asmlinkage void __ipipe_sync_root(void) { - struct irq_desc *desc = __desc; - unsigned irq = desc - irq_desc; - int thrprio = desc->thr_prio; - int thrmask = 1 << thrprio; - int cpu = smp_processor_id(); - cpumask_t cpumask; - - sigfillset(¤t->blocked); - current->flags |= PF_NOFREEZE; - cpumask = cpumask_of_cpu(cpu); - set_cpus_allowed(current, cpumask); - ipipe_setscheduler_root(current, SCHED_FIFO, 50 + thrprio); - - while (!kthread_should_stop()) { - local_irq_disable(); - if (!(desc->status & IRQ_SCHEDULED)) { - set_current_state(TASK_INTERRUPTIBLE); -resched: - local_irq_enable(); - schedule(); - local_irq_disable(); - } - __set_current_state(TASK_RUNNING); - /* - * If higher priority interrupt servers are ready to - * run, reschedule immediately. We need this for the - * GPIO demux IRQ handler to unmask the interrupt line - * _last_, after all GPIO IRQs have run. - */ - if (per_cpu(pending_irqthread_mask, cpu) & ~(thrmask|(thrmask-1))) - goto resched; - if (--per_cpu(pending_irq_count[thrprio], cpu) == 0) - per_cpu(pending_irqthread_mask, cpu) &= ~thrmask; - desc->status &= ~IRQ_SCHEDULED; - desc->thr_handler(irq, &__raw_get_cpu_var(__ipipe_tick_regs)); - local_irq_enable(); - } - __set_current_state(TASK_RUNNING); - return 0; -} + unsigned long flags; -static void kick_irqd(unsigned irq, void *cookie) -{ - struct irq_desc *desc = irq_desc + irq; - int thrprio = desc->thr_prio; - int thrmask = 1 << thrprio; - int cpu = smp_processor_id(); - - if (!(desc->status & IRQ_SCHEDULED)) { - desc->status |= IRQ_SCHEDULED; - per_cpu(pending_irqthread_mask, cpu) |= thrmask; - ++per_cpu(pending_irq_count[thrprio], cpu); - wake_up_process(desc->thread); - } -} + BUG_ON(irqs_disabled()); -int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc) -{ - if (desc->thread || !create_irq_threads) - return 0; - - desc->thread = kthread_create(do_irqd, desc, "IRQ %d", irq); - if (desc->thread == NULL) { - printk(KERN_ERR "irqd: could not create IRQ thread %d!\n", irq); - return -ENOMEM; - } + local_irq_save_hw(flags); - wake_up_process(desc->thread); + clear_thread_flag(TIF_IRQ_SYNC); - desc->thr_handler = ipipe_root_domain->irqs[irq].handler; - ipipe_root_domain->irqs[irq].handler = &kick_irqd; + if (ipipe_root_cpudom_var(irqpend_himask) != 0) + __ipipe_sync_pipeline(IPIPE_IRQMASK_ANY); - return 0; + local_irq_restore_hw(flags); } -void __init ipipe_init_irq_threads(void) +void ___ipipe_sync_pipeline(unsigned long syncmask) { - unsigned irq; - struct irq_desc *desc; - - create_irq_threads = 1; + struct ipipe_domain *ipd = ipipe_current_domain; - for (irq = 0; irq < NR_IRQS; irq++) { - desc = irq_desc + irq; - if (desc->action != NULL || - (desc->status & IRQ_NOREQUEST) != 0) - ipipe_start_irq_thread(irq, desc); + if (ipd == ipipe_root_domain) { + if (test_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status))) + return; } + + __ipipe_sync_stage(syncmask); } EXPORT_SYMBOL(show_stack); diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c index 23e9aa0..1ab5b53 100644 --- a/arch/blackfin/kernel/irqchip.c +++ b/arch/blackfin/kernel/irqchip.c @@ -149,11 +149,15 @@ asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs) #endif generic_handle_irq(irq); -#ifndef CONFIG_IPIPE /* Useless and bugous over the I-pipe: IRQs are threaded. */ - /* If we're the only interrupt running (ignoring IRQ15 which is for - syscalls), lower our priority to IRQ14 so that softirqs run at - that level. If there's another, lower-level interrupt, irq_exit - will defer softirqs to that. */ +#ifndef CONFIG_IPIPE + /* + * If we're the only interrupt running (ignoring IRQ15 which + * is for syscalls), lower our priority to IRQ14 so that + * softirqs run at that level. If there's another, + * lower-level interrupt, irq_exit will defer softirqs to + * that. If the interrupt pipeline is enabled, we are already + * running at IRQ14 priority, so we don't need this code. + */ CSYNC(); pending = bfin_read_IPEND() & ~0x8000; other_ints = pending & (pending - 1); diff --git a/arch/blackfin/kernel/kgdb_test.c b/arch/blackfin/kernel/kgdb_test.c index 3dba9c1..dbcf3e4 100644 --- a/arch/blackfin/kernel/kgdb_test.c +++ b/arch/blackfin/kernel/kgdb_test.c @@ -20,6 +20,7 @@ static char cmdline[256]; static unsigned long len; +#ifndef CONFIG_SMP static int num1 __attribute__((l1_data)); void kgdb_l1_test(void) __attribute__((l1_text)); @@ -32,6 +33,8 @@ void kgdb_l1_test(void) printk(KERN_ALERT "L1(after change) : data variable addr = 0x%p, data value is %d\n", &num1, num1); return ; } +#endif + #if L2_LENGTH static int num2 __attribute__((l2)); @@ -59,10 +62,12 @@ int kgdb_test(char *name, int len, int count, int z) static int test_proc_output(char *buf) { kgdb_test("hello world!", 12, 0x55, 0x10); +#ifndef CONFIG_SMP kgdb_l1_test(); - #if L2_LENGTH +#endif +#if L2_LENGTH kgdb_l2_test(); - #endif +#endif return 0; } diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 594e325..d76618d 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -45,6 +45,7 @@ #include <asm/asm-offsets.h> #include <asm/dma.h> #include <asm/fixed_code.h> +#include <asm/cacheflush.h> #include <asm/mem_map.h> #define TEXT_OFFSET 0 @@ -240,7 +241,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } else if (addr >= FIXED_CODE_START && addr + sizeof(tmp) <= FIXED_CODE_END) { - memcpy(&tmp, (const void *)(addr), sizeof(tmp)); + copy_from_user_page(0, 0, 0, &tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else @@ -320,7 +321,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } else if (addr >= FIXED_CODE_START && addr + sizeof(data) <= FIXED_CODE_END) { - memcpy((void *)(addr), &data, sizeof(data)); + copy_to_user_page(0, 0, 0, (void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index e5c1162..a58687b 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -889,6 +889,10 @@ void __init setup_arch(char **cmdline_p) CPU, bfin_revid()); } + /* We can't run on BF548-0.1 due to ANOMALY 05000448 */ + if (bfin_cpuid() == 0x27de && bfin_revid() == 1) + panic("You can't run on this processor due to 05000448\n"); + printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", @@ -1141,12 +1145,12 @@ static int show_cpuinfo(struct seq_file *m, void *v) icache_size = 0; seq_printf(m, "cache size\t: %d KB(L1 icache) " - "%d KB(L1 dcache-%s) %d KB(L2 cache)\n", + "%d KB(L1 dcache%s) %d KB(L2 cache)\n", icache_size, dcache_size, #if defined CONFIG_BFIN_WB - "wb" + "-wb" #elif defined CONFIG_BFIN_WT - "wt" + "-wt" #endif "", 0); diff --git a/arch/blackfin/kernel/time.c b/arch/blackfin/kernel/time.c index 172b4c58..1bbacfb 100644 --- a/arch/blackfin/kernel/time.c +++ b/arch/blackfin/kernel/time.c @@ -134,7 +134,10 @@ irqreturn_t timer_interrupt(int irq, void *dummy) write_seqlock(&xtime_lock); #if defined(CONFIG_TICK_SOURCE_SYSTMR0) && !defined(CONFIG_IPIPE) -/* FIXME: Here TIMIL0 is not set when IPIPE enabled, why? */ + /* + * TIMIL0 is latched in __ipipe_grab_irq() when the I-Pipe is + * enabled. + */ if (get_gptimer_status(0) & TIMER_STATUS_TIMIL0) { #endif do_timer(1); diff --git a/arch/blackfin/mach-bf518/boards/ezbrd.c b/arch/blackfin/mach-bf518/boards/ezbrd.c index 0e17534..41f2eac 100644 --- a/arch/blackfin/mach-bf518/boards/ezbrd.c +++ b/arch/blackfin/mach-bf518/boards/ezbrd.c @@ -113,7 +113,6 @@ static struct platform_device bfin_mac_device = { .name = "bfin_mac", .dev.platform_data = &bfin_mii_bus, }; -#endif #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) static struct dsa_platform_data ksz8893m_switch_data = { @@ -132,6 +131,7 @@ static struct platform_device ksz8893m_switch_device = { .dev.platform_data = &ksz8893m_switch_data, }; #endif +#endif #if defined(CONFIG_MTD_M25P80) \ || defined(CONFIG_MTD_M25P80_MODULE) @@ -171,6 +171,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = { }; #endif +#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) #if defined(CONFIG_NET_DSA_KSZ8893M) \ || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) /* SPI SWITCH CHIP */ @@ -179,10 +180,11 @@ static struct bfin5xx_spi_chip spi_switch_info = { .bits_per_word = 8, }; #endif +#endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -259,6 +261,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { }, #endif +#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) #if defined(CONFIG_NET_DSA_KSZ8893M) \ || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) { @@ -271,24 +274,15 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .mode = SPI_MODE_3, }, #endif +#endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc_dummy", + .modalias = "mmc_spi", .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = 0, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, - { - .modalias = "spi_mmc", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif @@ -630,11 +624,10 @@ static struct platform_device *stamp_devices[] __initdata = { #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) &bfin_mii_bus, &bfin_mac_device, -#endif - #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) &ksz8893m_switch_device, #endif +#endif #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) &bfin_spi0_device, diff --git a/arch/blackfin/mach-bf518/include/mach/anomaly.h b/arch/blackfin/mach-bf518/include/mach/anomaly.h index e5b4bef..c847bb1 100644 --- a/arch/blackfin/mach-bf518/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf518/include/mach/anomaly.h @@ -2,12 +2,12 @@ * File: include/asm-blackfin/mach-bf518/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2008 Analog Devices Inc. + * Copyright (C) 2004-2009 Analog Devices Inc. * Licensed under the GPL-2 or later. */ /* This file shoule be up to date with: - * - ???? + * - Revision B, 02/03/2009; ADSP-BF512/BF514/BF516/BF518 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -19,6 +19,8 @@ #define ANOMALY_05000122 (1) /* False Hardware Error from an Access in the Shadow of a Conditional Branch */ #define ANOMALY_05000245 (1) +/* Incorrect Timer Pulse Width in Single-Shot PWM_OUT Mode with External Clock */ +#define ANOMALY_05000254 (1) /* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */ #define ANOMALY_05000265 (1) /* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ @@ -53,6 +55,12 @@ #define ANOMALY_05000443 (1) /* Incorrect L1 Instruction Bank B Memory Map Location */ #define ANOMALY_05000444 (1) +/* Incorrect Default Hysteresis Setting for RESET, NMI, and BMODE Signals */ +#define ANOMALY_05000452 (1) +/* PWM_TRIPB Signal Not Available on PG10 */ +#define ANOMALY_05000453 (1) +/* PPI_FS3 is Driven One Half Cycle Later Than PPI Data */ +#define ANOMALY_05000455 (1) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -65,15 +73,20 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000278 (0) #define ANOMALY_05000285 (0) +#define ANOMALY_05000305 (0) #define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000312 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000353 (0) #define ANOMALY_05000363 (0) +#define ANOMALY_05000380 (0) #define ANOMALY_05000386 (0) #define ANOMALY_05000412 (0) #define ANOMALY_05000432 (0) +#define ANOMALY_05000447 (0) +#define ANOMALY_05000448 (0) #endif diff --git a/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h index b50a63b..e21c1c3 100644 --- a/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h @@ -144,7 +144,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART0_TX, CH_UART0_RX, #endif -#ifdef CONFIG_BFIN_UART0_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART0_CTS_PIN, CONFIG_UART0_RTS_PIN, #endif @@ -158,7 +158,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART1_TX, CH_UART1_RX, #endif -#ifdef CONFIG_BFIN_UART1_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART1_CTS_PIN, CONFIG_UART1_RTS_PIN, #endif diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c index 856c097..48e69ee 100644 --- a/arch/blackfin/mach-bf527/boards/cm_bf527.c +++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c @@ -487,9 +487,9 @@ static struct bfin5xx_spi_chip ad9960_spi_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -585,23 +585,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &ad9960_spi_chip_info, }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc_dummy", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 0, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, - { - .modalias = "spi_mmc", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .modalias = "mmc_spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c index 83606fc..7fe480e 100644 --- a/arch/blackfin/mach-bf527/boards/ezbrd.c +++ b/arch/blackfin/mach-bf527/boards/ezbrd.c @@ -256,9 +256,9 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -366,23 +366,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc_dummy", + .modalias = "mmc_spi", .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = 0, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, - { - .modalias = "spi_mmc", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf527/include/mach/anomaly.h b/arch/blackfin/mach-bf527/include/mach/anomaly.h index 035e8d8..df6808d 100644 --- a/arch/blackfin/mach-bf527/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf527/include/mach/anomaly.h @@ -2,7 +2,7 @@ * File: include/asm-blackfin/mach-bf527/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2008 Analog Devices Inc. + * Copyright (C) 2004-2009 Analog Devices Inc. * Licensed under the GPL-2 or later. */ @@ -167,12 +167,16 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000278 (0) #define ANOMALY_05000285 (0) +#define ANOMALY_05000305 (0) #define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000312 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000363 (0) #define ANOMALY_05000412 (0) +#define ANOMALY_05000447 (0) +#define ANOMALY_05000448 (0) #endif diff --git a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h index 75722d6..e8c41fd 100644 --- a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h @@ -144,7 +144,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART0_TX, CH_UART0_RX, #endif -#ifdef CONFIG_BFIN_UART0_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART0_CTS_PIN, CONFIG_UART0_RTS_PIN, #endif @@ -158,7 +158,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART1_TX, CH_UART1_RX, #endif -#ifdef CONFIG_BFIN_UART1_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART1_CTS_PIN, CONFIG_UART1_RTS_PIN, #endif diff --git a/arch/blackfin/mach-bf533/boards/Kconfig b/arch/blackfin/mach-bf533/boards/Kconfig index 308c98d..8d8b3e7 100644 --- a/arch/blackfin/mach-bf533/boards/Kconfig +++ b/arch/blackfin/mach-bf533/boards/Kconfig @@ -38,9 +38,4 @@ config BFIN532_IP0X help Core support for IP04/IP04 open hardware IP-PBX. -config GENERIC_BF533_BOARD - bool "Generic" - help - Generic or Custom board support. - endchoice diff --git a/arch/blackfin/mach-bf533/boards/Makefile b/arch/blackfin/mach-bf533/boards/Makefile index 9afbe72..ff1e832 100644 --- a/arch/blackfin/mach-bf533/boards/Makefile +++ b/arch/blackfin/mach-bf533/boards/Makefile @@ -2,7 +2,6 @@ # arch/blackfin/mach-bf533/boards/Makefile # -obj-$(CONFIG_GENERIC_BF533_BOARD) += generic_board.o obj-$(CONFIG_BFIN533_STAMP) += stamp.o obj-$(CONFIG_BFIN532_IP0X) += ip0x.o obj-$(CONFIG_BFIN533_EZKIT) += ezkit.o diff --git a/arch/blackfin/mach-bf533/boards/blackstamp.c b/arch/blackfin/mach-bf533/boards/blackstamp.c index 015c18f..0765872 100644 --- a/arch/blackfin/mach-bf533/boards/blackstamp.c +++ b/arch/blackfin/mach-bf533/boards/blackstamp.c @@ -101,9 +101,9 @@ static struct bfin5xx_spi_chip spi_flash_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -129,23 +129,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) - { - .modalias = "spi_mmc_dummy", - .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 0, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc", + .modalias = "mmc_spi", .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf533/boards/cm_bf533.c b/arch/blackfin/mach-bf533/boards/cm_bf533.c index e7061c7..e897487 100644 --- a/arch/blackfin/mach-bf533/boards/cm_bf533.c +++ b/arch/blackfin/mach-bf533/boards/cm_bf533.c @@ -96,9 +96,9 @@ static struct bfin5xx_spi_chip ad1836_spi_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -138,23 +138,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) - { - .modalias = "spi_mmc_dummy", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 0, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc", + .modalias = "mmc_spi", .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf533/boards/generic_board.c b/arch/blackfin/mach-bf533/boards/generic_board.c deleted file mode 100644 index 986eeec..0000000 --- a/arch/blackfin/mach-bf533/boards/generic_board.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * File: arch/blackfin/mach-bf533/generic_board.c - * Based on: arch/blackfin/mach-bf533/ezkit.c - * Author: Aidan Williams <aidan@nicta.com.au> - * - * Created: 2005 - * Description: - * - * Modified: - * Copyright 2005 National ICT Australia (NICTA) - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/irq.h> - -/* - * Name the Board for the /proc/cpuinfo - */ -const char bfin_board_name[] = "UNKNOWN BOARD"; - -#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) -static struct platform_device rtc_device = { - .name = "rtc-bfin", - .id = -1, -}; -#endif - -/* - * Driver needs to know address, irq and flag pin. - */ -#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) -static struct resource smc91x_resources[] = { - { - .start = 0x20300300, - .end = 0x20300300 + 16, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_PROG_INTB, - .end = IRQ_PROG_INTB, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - }, { - .start = IRQ_PF7, - .end = IRQ_PF7, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - }, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; -#endif - -#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) -#ifdef CONFIG_BFIN_SIR0 -static struct resource bfin_sir0_resources[] = { - { - .start = 0xFFC00400, - .end = 0xFFC004FF, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_UART0_RX, - .end = IRQ_UART0_RX+1, - .flags = IORESOURCE_IRQ, - }, - { - .start = CH_UART0_RX, - .end = CH_UART0_RX+1, - .flags = IORESOURCE_DMA, - }, -}; - -static struct platform_device bfin_sir0_device = { - .name = "bfin_sir", - .id = 0, - .num_resources = ARRAY_SIZE(bfin_sir0_resources), - .resource = bfin_sir0_resources, -}; -#endif -#endif - -static struct platform_device *generic_board_devices[] __initdata = { -#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) - &rtc_device, -#endif - -#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) - &smc91x_device, -#endif - -#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) -#ifdef CONFIG_BFIN_SIR0 - &bfin_sir0_device, -#endif -#endif -}; - -static int __init generic_board_init(void) -{ - printk(KERN_INFO "%s(): registering device resources\n", __func__); - return platform_add_devices(generic_board_devices, ARRAY_SIZE(generic_board_devices)); -} - -arch_initcall(generic_board_init); diff --git a/arch/blackfin/mach-bf533/boards/ip0x.c b/arch/blackfin/mach-bf533/boards/ip0x.c index e30b1b7..f19b6337 100644 --- a/arch/blackfin/mach-bf533/boards/ip0x.c +++ b/arch/blackfin/mach-bf533/boards/ip0x.c @@ -127,8 +127,8 @@ static struct platform_device dm9000_device2 = { #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) /* all SPI peripherals info goes here */ -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { /* * CPOL (Clock Polarity) * 0 - Active high SCK @@ -152,14 +152,13 @@ static struct bfin5xx_spi_chip spi_mmc_chip_info = { /* Notice: for blackfin, the speed_hz is the value of register * SPI_BAUD, not the real baudrate */ static struct spi_board_info bfin_spi_board_info[] __initdata = { -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc", + .modalias = "mmc_spi", .max_speed_hz = 2, .bus_num = 1, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, }, #endif }; diff --git a/arch/blackfin/mach-bf533/include/mach/anomaly.h b/arch/blackfin/mach-bf533/include/mach/anomaly.h index 0d3a034..1cf893e 100644 --- a/arch/blackfin/mach-bf533/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf533/include/mach/anomaly.h @@ -2,7 +2,7 @@ * File: include/asm-blackfin/mach-bf533/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2008 Analog Devices Inc. + * Copyright (C) 2004-2009 Analog Devices Inc. * Licensed under the GPL-2 or later. */ @@ -160,7 +160,7 @@ #define ANOMALY_05000301 (__SILICON_REVISION__ < 6) /* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */ #define ANOMALY_05000302 (__SILICON_REVISION__ < 5) -/* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */ +/* SPORT_HYS Bit in PLL_CTL Register Is Not Functional */ #define ANOMALY_05000305 (__SILICON_REVISION__ < 5) /* New Feature: Additional PPI Frame Sync Sampling Options (Not Available On Older Silicon) */ #define ANOMALY_05000306 (__SILICON_REVISION__ < 5) @@ -278,9 +278,12 @@ #define ANOMALY_05000266 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000353 (1) +#define ANOMALY_05000380 (0) #define ANOMALY_05000386 (1) #define ANOMALY_05000412 (0) #define ANOMALY_05000432 (0) #define ANOMALY_05000435 (0) +#define ANOMALY_05000447 (0) +#define ANOMALY_05000448 (0) #endif diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h index f3d9e49..5f517f5 100644 --- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h @@ -134,7 +134,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART_TX, CH_UART_RX, #endif -#ifdef CONFIG_BFIN_UART0_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART0_CTS_PIN, CONFIG_UART0_RTS_PIN, #endif diff --git a/arch/blackfin/mach-bf537/boards/Kconfig b/arch/blackfin/mach-bf537/boards/Kconfig index 42a57b0..77c59da 100644 --- a/arch/blackfin/mach-bf537/boards/Kconfig +++ b/arch/blackfin/mach-bf537/boards/Kconfig @@ -33,9 +33,4 @@ config CAMSIG_MINOTAUR help Board supply package for CSP Minotaur -config GENERIC_BF537_BOARD - bool "Generic" - help - Generic or Custom board support. - endchoice diff --git a/arch/blackfin/mach-bf537/boards/Makefile b/arch/blackfin/mach-bf537/boards/Makefile index 7168cc1..68b98a7a 100644 --- a/arch/blackfin/mach-bf537/boards/Makefile +++ b/arch/blackfin/mach-bf537/boards/Makefile @@ -2,7 +2,6 @@ # arch/blackfin/mach-bf537/boards/Makefile # -obj-$(CONFIG_GENERIC_BF537_BOARD) += generic_board.o obj-$(CONFIG_BFIN537_STAMP) += stamp.o obj-$(CONFIG_BFIN537_BLUETECHNIX_CM) += cm_bf537.o obj-$(CONFIG_BFIN537_BLUETECHNIX_TCM) += tcm_bf537.o diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537.c b/arch/blackfin/mach-bf537/boards/cm_bf537.c index 9cd8fb2..41c75b9 100644 --- a/arch/blackfin/mach-bf537/boards/cm_bf537.c +++ b/arch/blackfin/mach-bf537/boards/cm_bf537.c @@ -108,9 +108,9 @@ static struct bfin5xx_spi_chip ad9960_spi_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -160,23 +160,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) - { - .modalias = "spi_mmc_dummy", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 7, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .modalias = "mmc_spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 1, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf537/boards/generic_board.c b/arch/blackfin/mach-bf537/boards/generic_board.c deleted file mode 100644 index da710fd..0000000 --- a/arch/blackfin/mach-bf537/boards/generic_board.c +++ /dev/null @@ -1,745 +0,0 @@ -/* - * File: arch/blackfin/mach-bf537/boards/generic_board.c - * Based on: arch/blackfin/mach-bf533/boards/ezkit.c - * Author: Aidan Williams <aidan@nicta.com.au> - * - * Created: - * Description: - * - * Modified: - * Copyright 2005 National ICT Australia (NICTA) - * Copyright 2004-2008 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/device.h> -#include <linux/etherdevice.h> -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/spi/spi.h> -#include <linux/spi/flash.h> -#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE) -#include <linux/usb/isp1362.h> -#endif -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/usb/sl811.h> -#include <asm/dma.h> -#include <asm/bfin5xx_spi.h> -#include <asm/reboot.h> -#include <asm/portmux.h> -#include <linux/spi/ad7877.h> - -/* - * Name the Board for the /proc/cpuinfo - */ -const char bfin_board_name[] = "UNKNOWN BOARD"; - -/* - * Driver needs to know address, irq and flag pin. - */ - -#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE) -#include <linux/usb/isp1760.h> -static struct resource bfin_isp1760_resources[] = { - [0] = { - .start = 0x203C0000, - .end = 0x203C0000 + 0x000fffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_PF7, - .end = IRQ_PF7, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct isp1760_platform_data isp1760_priv = { - .is_isp1761 = 0, - .port1_disable = 0, - .bus_width_16 = 1, - .port1_otg = 0, - .analog_oc = 0, - .dack_polarity_high = 0, - .dreq_polarity_high = 0, -}; - -static struct platform_device bfin_isp1760_device = { - .name = "isp1760-hcd", - .id = 0, - .dev = { - .platform_data = &isp1760_priv, - }, - .num_resources = ARRAY_SIZE(bfin_isp1760_resources), - .resource = bfin_isp1760_resources, -}; -#endif - -#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE) -static struct resource bfin_pcmcia_cf_resources[] = { - { - .start = 0x20310000, /* IO PORT */ - .end = 0x20312000, - .flags = IORESOURCE_MEM, - }, { - .start = 0x20311000, /* Attribute Memory */ - .end = 0x20311FFF, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_PF4, - .end = IRQ_PF4, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, - }, { - .start = 6, /* Card Detect PF6 */ - .end = 6, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device bfin_pcmcia_cf_device = { - .name = "bfin_cf_pcmcia", - .id = -1, - .num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources), - .resource = bfin_pcmcia_cf_resources, -}; -#endif - -#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) -static struct platform_device rtc_device = { - .name = "rtc-bfin", - .id = -1, -}; -#endif - -#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) -static struct resource smc91x_resources[] = { - { - .name = "smc91x-regs", - .start = 0x20300300, - .end = 0x20300300 + 16, - .flags = IORESOURCE_MEM, - }, { - - .start = IRQ_PF7, - .end = IRQ_PF7, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - }, -}; -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; -#endif - -#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) -static struct resource dm9000_resources[] = { - [0] = { - .start = 0x203FB800, - .end = 0x203FB800 + 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = 0x203FB800 + 4, - .end = 0x203FB800 + 5, - .flags = IORESOURCE_MEM, - }, - [2] = { - .start = IRQ_PF9, - .end = IRQ_PF9, - .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE), - }, -}; - -static struct platform_device dm9000_device = { - .name = "dm9000", - .id = -1, - .num_resources = ARRAY_SIZE(dm9000_resources), - .resource = dm9000_resources, -}; -#endif - -#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE) -static struct resource sl811_hcd_resources[] = { - { - .start = 0x20340000, - .end = 0x20340000, - .flags = IORESOURCE_MEM, - }, { - .start = 0x20340004, - .end = 0x20340004, - .flags = IORESOURCE_MEM, - }, { - .start = CONFIG_USB_SL811_BFIN_IRQ, - .end = CONFIG_USB_SL811_BFIN_IRQ, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - }, -}; - -#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS) -void sl811_port_power(struct device *dev, int is_on) -{ - gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS"); - gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on); - -} -#endif - -static struct sl811_platform_data sl811_priv = { - .potpg = 10, - .power = 250, /* == 500mA */ -#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS) - .port_power = &sl811_port_power, -#endif -}; - -static struct platform_device sl811_hcd_device = { - .name = "sl811-hcd", - .id = 0, - .dev = { - .platform_data = &sl811_priv, - }, - .num_resources = ARRAY_SIZE(sl811_hcd_resources), - .resource = sl811_hcd_resources, -}; -#endif - -#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE) -static struct resource isp1362_hcd_resources[] = { - { - .start = 0x20360000, - .end = 0x20360000, - .flags = IORESOURCE_MEM, - }, { - .start = 0x20360004, - .end = 0x20360004, - .flags = IORESOURCE_MEM, - }, { - .start = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ, - .end = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - }, -}; - -static struct isp1362_platform_data isp1362_priv = { - .sel15Kres = 1, - .clknotstop = 0, - .oc_enable = 0, - .int_act_high = 0, - .int_edge_triggered = 0, - .remote_wakeup_connected = 0, - .no_power_switching = 1, - .power_switching_mode = 0, -}; - -static struct platform_device isp1362_hcd_device = { - .name = "isp1362-hcd", - .id = 0, - .dev = { - .platform_data = &isp1362_priv, - }, - .num_resources = ARRAY_SIZE(isp1362_hcd_resources), - .resource = isp1362_hcd_resources, -}; -#endif - -#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) -static struct platform_device bfin_mii_bus = { - .name = "bfin_mii_bus", -}; - -static struct platform_device bfin_mac_device = { - .name = "bfin_mac", - .dev.platform_data = &bfin_mii_bus, -}; -#endif - -#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE) -static struct resource net2272_bfin_resources[] = { - { - .start = 0x20300000, - .end = 0x20300000 + 0x100, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_PF7, - .end = IRQ_PF7, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - }, -}; - -static struct platform_device net2272_bfin_device = { - .name = "net2272", - .id = -1, - .num_resources = ARRAY_SIZE(net2272_bfin_resources), - .resource = net2272_bfin_resources, -}; -#endif - -#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) -/* all SPI peripherals info goes here */ - -#if defined(CONFIG_MTD_M25P80) \ - || defined(CONFIG_MTD_M25P80_MODULE) -static struct mtd_partition bfin_spi_flash_partitions[] = { - { - .name = "bootloader(spi)", - .size = 0x00020000, - .offset = 0, - .mask_flags = MTD_CAP_ROM - }, { - .name = "linux kernel(spi)", - .size = 0xe0000, - .offset = 0x20000 - }, { - .name = "file system(spi)", - .size = 0x700000, - .offset = 0x00100000, - } -}; - -static struct flash_platform_data bfin_spi_flash_data = { - .name = "m25p80", - .parts = bfin_spi_flash_partitions, - .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions), - .type = "m25p64", -}; - -/* SPI flash chip (m25p64) */ -static struct bfin5xx_spi_chip spi_flash_chip_info = { - .enable_dma = 0, /* use dma transfer with this chip*/ - .bits_per_word = 8, -}; -#endif - -#if defined(CONFIG_SPI_ADC_BF533) \ - || defined(CONFIG_SPI_ADC_BF533_MODULE) -/* SPI ADC chip */ -static struct bfin5xx_spi_chip spi_adc_chip_info = { - .enable_dma = 1, /* use dma transfer with this chip*/ - .bits_per_word = 16, -}; -#endif - -#if defined(CONFIG_SND_BLACKFIN_AD1836) \ - || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE) -static struct bfin5xx_spi_chip ad1836_spi_chip_info = { - .enable_dma = 0, - .bits_per_word = 16, -}; -#endif - -#if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE) -static struct bfin5xx_spi_chip ad9960_spi_chip_info = { - .enable_dma = 0, - .bits_per_word = 16, -}; -#endif - -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, - .bits_per_word = 8, -}; -#endif - -#if defined(CONFIG_PBX) -static struct bfin5xx_spi_chip spi_si3xxx_chip_info = { - .ctl_reg = 0x4, /* send zero */ - .enable_dma = 0, - .bits_per_word = 8, - .cs_change_per_word = 1, -}; -#endif - -#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) -static struct bfin5xx_spi_chip spi_ad7877_chip_info = { - .enable_dma = 0, - .bits_per_word = 16, -}; - -static const struct ad7877_platform_data bfin_ad7877_ts_info = { - .model = 7877, - .vref_delay_usecs = 50, /* internal, no capacitor */ - .x_plate_ohms = 419, - .y_plate_ohms = 486, - .pressure_max = 1000, - .pressure_min = 0, - .stopacq_polarity = 1, - .first_conversion_delay = 3, - .acquisition_time = 1, - .averaging = 1, - .pen_down_acc_interval = 1, -}; -#endif - -static struct spi_board_info bfin_spi_board_info[] __initdata = { -#if defined(CONFIG_MTD_M25P80) \ - || defined(CONFIG_MTD_M25P80_MODULE) - { - /* the modalias must be the same as spi device driver name */ - .modalias = "m25p80", /* Name of spi_driver for this device */ - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, /* Framework bus number */ - .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/ - .platform_data = &bfin_spi_flash_data, - .controller_data = &spi_flash_chip_info, - .mode = SPI_MODE_3, - }, -#endif - -#if defined(CONFIG_SPI_ADC_BF533) \ - || defined(CONFIG_SPI_ADC_BF533_MODULE) - { - .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */ - .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, /* Framework bus number */ - .chip_select = 1, /* Framework chip select. */ - .platform_data = NULL, /* No spi_driver specific config */ - .controller_data = &spi_adc_chip_info, - }, -#endif - -#if defined(CONFIG_SND_BLACKFIN_AD1836) \ - || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE) - { - .modalias = "ad1836-spi", - .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT, - .controller_data = &ad1836_spi_chip_info, - }, -#endif -#if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE) - { - .modalias = "ad9960-spi", - .max_speed_hz = 10000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 1, - .controller_data = &ad9960_spi_chip_info, - }, -#endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) - { - .modalias = "spi_mmc_dummy", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 0, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, - { - .modalias = "spi_mmc", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, -#endif -#if defined(CONFIG_PBX) - { - .modalias = "fxs-spi", - .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 8 - CONFIG_J11_JUMPER, - .controller_data = &spi_si3xxx_chip_info, - .mode = SPI_MODE_3, - }, - { - .modalias = "fxo-spi", - .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 8 - CONFIG_J19_JUMPER, - .controller_data = &spi_si3xxx_chip_info, - .mode = SPI_MODE_3, - }, -#endif -#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) - { - .modalias = "ad7877", - .platform_data = &bfin_ad7877_ts_info, - .irq = IRQ_PF6, - .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 1, - .controller_data = &spi_ad7877_chip_info, - }, -#endif -}; - -/* SPI controller data */ -static struct bfin5xx_spi_master bfin_spi0_info = { - .num_chipselect = 8, - .enable_dma = 1, /* master has the ability to do dma transfer */ - .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, -}; - -/* SPI (0) */ -static struct resource bfin_spi0_resource[] = { - [0] = { - .start = SPI0_REGBASE, - .end = SPI0_REGBASE + 0xFF, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = CH_SPI, - .end = CH_SPI, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device bfin_spi0_device = { - .name = "bfin-spi", - .id = 0, /* Bus number */ - .num_resources = ARRAY_SIZE(bfin_spi0_resource), - .resource = bfin_spi0_resource, - .dev = { - .platform_data = &bfin_spi0_info, /* Passed to driver */ - }, -}; -#endif /* spi master and devices */ - -#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE) -static struct platform_device bfin_fb_device = { - .name = "bf537-lq035", -}; -#endif - -#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) -static struct platform_device bfin_fb_adv7393_device = { - .name = "bfin-adv7393", -}; -#endif - -#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) -static struct resource bfin_uart_resources[] = { - { - .start = 0xFFC00400, - .end = 0xFFC004FF, - .flags = IORESOURCE_MEM, - }, { - .start = 0xFFC02000, - .end = 0xFFC020FF, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device bfin_uart_device = { - .name = "bfin-uart", - .id = 1, - .num_resources = ARRAY_SIZE(bfin_uart_resources), - .resource = bfin_uart_resources, -}; -#endif - -#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) -#ifdef CONFIG_BFIN_SIR0 -static struct resource bfin_sir0_resources[] = { - { - .start = 0xFFC00400, - .end = 0xFFC004FF, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_UART0_RX, - .end = IRQ_UART0_RX+1, - .flags = IORESOURCE_IRQ, - }, - { - .start = CH_UART0_RX, - .end = CH_UART0_RX+1, - .flags = IORESOURCE_DMA, - }, -}; - -static struct platform_device bfin_sir0_device = { - .name = "bfin_sir", - .id = 0, - .num_resources = ARRAY_SIZE(bfin_sir0_resources), - .resource = bfin_sir0_resources, -}; -#endif -#ifdef CONFIG_BFIN_SIR1 -static struct resource bfin_sir1_resources[] = { - { - .start = 0xFFC02000, - .end = 0xFFC020FF, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_UART1_RX, - .end = IRQ_UART1_RX+1, - .flags = IORESOURCE_IRQ, - }, - { - .start = CH_UART1_RX, - .end = CH_UART1_RX+1, - .flags = IORESOURCE_DMA, - }, -}; - -static struct platform_device bfin_sir1_device = { - .name = "bfin_sir", - .id = 1, - .num_resources = ARRAY_SIZE(bfin_sir1_resources), - .resource = bfin_sir1_resources, -}; -#endif -#endif - -#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) -static struct resource bfin_twi0_resource[] = { - [0] = { - .start = TWI0_REGBASE, - .end = TWI0_REGBASE + 0xFF, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_TWI, - .end = IRQ_TWI, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device i2c_bfin_twi_device = { - .name = "i2c-bfin-twi", - .id = 0, - .num_resources = ARRAY_SIZE(bfin_twi0_resource), - .resource = bfin_twi0_resource, -}; -#endif - -#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) -static struct platform_device bfin_sport0_uart_device = { - .name = "bfin-sport-uart", - .id = 0, -}; - -static struct platform_device bfin_sport1_uart_device = { - .name = "bfin-sport-uart", - .id = 1, -}; -#endif - -static struct platform_device *stamp_devices[] __initdata = { -#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE) - &bfin_pcmcia_cf_device, -#endif - -#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) - &rtc_device, -#endif - -#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE) - &sl811_hcd_device, -#endif - -#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE) - &isp1362_hcd_device, -#endif - -#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) - &smc91x_device, -#endif - -#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) - &dm9000_device, -#endif - -#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) - &bfin_mii_bus, - &bfin_mac_device, -#endif - -#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE) - &net2272_bfin_device, -#endif - -#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE) - &bfin_isp1760_device, -#endif - -#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) - &bfin_spi0_device, -#endif - -#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE) - &bfin_fb_device, -#endif - -#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) - &bfin_fb_adv7393_device, -#endif - -#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) - &bfin_uart_device, -#endif - -#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) -#ifdef CONFIG_BFIN_SIR0 - &bfin_sir0_device, -#endif -#ifdef CONFIG_BFIN_SIR1 - &bfin_sir1_device, -#endif -#endif - -#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) - &i2c_bfin_twi_device, -#endif - -#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) - &bfin_sport0_uart_device, - &bfin_sport1_uart_device, -#endif -}; - -static int __init generic_init(void) -{ - printk(KERN_INFO "%s(): registering device resources\n", __func__); - platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices)); -#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) - spi_register_board_info(bfin_spi_board_info, - ARRAY_SIZE(bfin_spi_board_info)); -#endif - - return 0; -} - -arch_initcall(generic_init); - -void native_machine_restart(char *cmd) -{ - /* workaround reboot hang when booting from SPI */ - if ((bfin_read_SYSCR() & 0x7) == 0x3) - bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS); -} - -#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) -void bfin_get_ether_addr(char *addr) -{ - random_ether_addr(addr); - printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__); -} -EXPORT_SYMBOL(bfin_get_ether_addr); -#endif diff --git a/arch/blackfin/mach-bf537/boards/minotaur.c b/arch/blackfin/mach-bf537/boards/minotaur.c index db7d3a3..3c15981 100644 --- a/arch/blackfin/mach-bf537/boards/minotaur.c +++ b/arch/blackfin/mach-bf537/boards/minotaur.c @@ -134,9 +134,9 @@ static struct bfin5xx_spi_chip spi_flash_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -156,23 +156,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc_dummy", + .modalias = "mmc_spi", .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = 0, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, - { - .modalias = "spi_mmc", - .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf537/boards/pnav10.c b/arch/blackfin/mach-bf537/boards/pnav10.c index 590eb3a..4e1de1e 100644 --- a/arch/blackfin/mach-bf537/boards/pnav10.c +++ b/arch/blackfin/mach-bf537/boards/pnav10.c @@ -289,9 +289,9 @@ static struct bfin5xx_spi_chip ad9960_spi_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -364,23 +364,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &ad9960_spi_chip_info, }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) - { - .modalias = "spi_mmc_dummy", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 7, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc", + .modalias = "mmc_spi", .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf537/boards/tcm_bf537.c b/arch/blackfin/mach-bf537/boards/tcm_bf537.c index 3f4f203..53ad10f 100644 --- a/arch/blackfin/mach-bf537/boards/tcm_bf537.c +++ b/arch/blackfin/mach-bf537/boards/tcm_bf537.c @@ -108,9 +108,9 @@ static struct bfin5xx_spi_chip ad9960_spi_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -160,23 +160,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) - { - .modalias = "spi_mmc_dummy", - .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 0, - .chip_select = 7, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, - .mode = SPI_MODE_3, - }, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc", + .modalias = "mmc_spi", .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf537/include/mach/anomaly.h b/arch/blackfin/mach-bf537/include/mach/anomaly.h index 9cb3912..1bfd80c 100644 --- a/arch/blackfin/mach-bf537/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf537/include/mach/anomaly.h @@ -2,7 +2,7 @@ * File: include/asm-blackfin/mach-bf537/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2008 Analog Devices Inc. + * Copyright (C) 2004-2009 Analog Devices Inc. * Licensed under the GPL-2 or later. */ @@ -110,7 +110,7 @@ #define ANOMALY_05000301 (1) /* SSYNCs After Writes To CAN/DMA MMR Registers Are Not Always Handled Correctly */ #define ANOMALY_05000304 (__SILICON_REVISION__ < 3) -/* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */ +/* SPORT_HYS Bit in PLL_CTL Register Is Not Functional */ #define ANOMALY_05000305 (__SILICON_REVISION__ < 3) /* SCKELOW Bit Does Not Maintain State Through Hibernate */ #define ANOMALY_05000307 (__SILICON_REVISION__ < 3) @@ -168,9 +168,12 @@ #define ANOMALY_05000323 (0) #define ANOMALY_05000353 (1) #define ANOMALY_05000363 (0) +#define ANOMALY_05000380 (0) #define ANOMALY_05000386 (1) #define ANOMALY_05000412 (0) #define ANOMALY_05000432 (0) #define ANOMALY_05000435 (0) +#define ANOMALY_05000447 (0) +#define ANOMALY_05000448 (0) #endif diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h index b3f87e1..9e34700 100644 --- a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h @@ -144,7 +144,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART0_TX, CH_UART0_RX, #endif -#ifdef CONFIG_BFIN_UART0_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART0_CTS_PIN, CONFIG_UART0_RTS_PIN, #endif @@ -158,7 +158,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART1_TX, CH_UART1_RX, #endif -#ifdef CONFIG_BFIN_UART1_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART1_CTS_PIN, CONFIG_UART1_RTS_PIN, #endif diff --git a/arch/blackfin/mach-bf538/include/mach/anomaly.h b/arch/blackfin/mach-bf538/include/mach/anomaly.h index e130b4f..3a56998 100644 --- a/arch/blackfin/mach-bf538/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf538/include/mach/anomaly.h @@ -2,7 +2,7 @@ * File: include/asm-blackfin/mach-bf538/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2008 Analog Devices Inc. + * Copyright (C) 2004-2009 Analog Devices Inc. * Licensed under the GPL-2 or later. */ @@ -120,13 +120,17 @@ #define ANOMALY_05000198 (0) #define ANOMALY_05000230 (0) #define ANOMALY_05000263 (0) +#define ANOMALY_05000305 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000353 (1) #define ANOMALY_05000363 (0) +#define ANOMALY_05000380 (0) #define ANOMALY_05000386 (1) #define ANOMALY_05000412 (0) #define ANOMALY_05000432 (0) #define ANOMALY_05000435 (0) +#define ANOMALY_05000447 (0) +#define ANOMALY_05000448 (0) #endif diff --git a/arch/blackfin/mach-bf538/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf538/include/mach/bfin_serial_5xx.h index 40503b6..3c2811e 100644 --- a/arch/blackfin/mach-bf538/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf538/include/mach/bfin_serial_5xx.h @@ -144,7 +144,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART0_TX, CH_UART0_RX, #endif -#ifdef CONFIG_BFIN_UART0_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART0_CTS_PIN, CONFIG_UART0_RTS_PIN, #endif @@ -158,7 +158,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART1_TX, CH_UART1_RX, #endif -#ifdef CONFIG_BFIN_UART1_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART1_CTS_PIN, CONFIG_UART1_RTS_PIN, #endif diff --git a/arch/blackfin/mach-bf548/include/mach/anomaly.h b/arch/blackfin/mach-bf548/include/mach/anomaly.h index 23d03c5..882e40c 100644 --- a/arch/blackfin/mach-bf548/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf548/include/mach/anomaly.h @@ -2,12 +2,12 @@ * File: include/asm-blackfin/mach-bf548/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2008 Analog Devices Inc. + * Copyright (C) 2004-2009 Analog Devices Inc. * Licensed under the GPL-2 or later. */ /* This file shoule be up to date with: - * - Revision G, 08/07/2008; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List + * - Revision H, 01/16/2009; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -91,8 +91,6 @@ #define ANOMALY_05000371 (__SILICON_REVISION__ < 2) /* USB DP/DM Data Pins May Lose State When Entering Hibernate */ #define ANOMALY_05000372 (__SILICON_REVISION__ < 1) -/* Mobile DDR Operation Not Functional */ -#define ANOMALY_05000377 (1) /* Security/Authentication Speedpath Causes Authentication To Fail To Initiate */ #define ANOMALY_05000378 (__SILICON_REVISION__ < 2) /* 16-Bit NAND FLASH Boot Mode Is Not Functional */ @@ -157,8 +155,22 @@ #define ANOMALY_05000429 (__SILICON_REVISION__ < 2) /* Software System Reset Corrupts PLL_LOCKCNT Register */ #define ANOMALY_05000430 (__SILICON_REVISION__ >= 2) +/* Incorrect Use of Stack in Lockbox Firmware During Authentication */ +#define ANOMALY_05000431 (__SILICON_REVISION__ < 3) +/* OTP Write Accesses Not Supported */ +#define ANOMALY_05000442 (__SILICON_REVISION__ < 1) /* IFLUSH Instruction at End of Hardware Loop Causes Infinite Stall */ #define ANOMALY_05000443 (1) +/* CDMAPRIO and L2DMAPRIO Bits in the SYSCR Register Are Not Functional */ +#define ANOMALY_05000446 (1) +/* UART IrDA Receiver Fails on Extended Bit Pulses */ +#define ANOMALY_05000447 (1) +/* DDR Clock Duty Cycle Spec Violation (tCH, tCL) */ +#define ANOMALY_05000448 (__SILICON_REVISION__ == 1) +/* Reduced Timing Margins on DDR Output Setup and Hold (tDS and tDH) */ +#define ANOMALY_05000449 (__SILICON_REVISION__ == 1) +/* USB DMA Mode 1 Short Packet Data Corruption */ +#define ANOMALY_05000450 (1 /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -171,6 +183,8 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000278 (0) +#define ANOMALY_05000305 (0) #define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h index e4cf35e..c05e79c 100644 --- a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h @@ -63,7 +63,7 @@ #define UART_ENABLE_INTS(x, v) UART_SET_IER(x, v) #define UART_DISABLE_INTS(x) UART_CLEAR_IER(x, 0xF) -#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) +#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART2_CTSRTS) # define CONFIG_SERIAL_BFIN_CTSRTS # ifndef CONFIG_UART0_CTS_PIN @@ -74,12 +74,12 @@ # define CONFIG_UART0_RTS_PIN -1 # endif -# ifndef CONFIG_UART1_CTS_PIN -# define CONFIG_UART1_CTS_PIN -1 +# ifndef CONFIG_UART2_CTS_PIN +# define CONFIG_UART2_CTS_PIN -1 # endif -# ifndef CONFIG_UART1_RTS_PIN -# define CONFIG_UART1_RTS_PIN -1 +# ifndef CONFIG_UART2_RTS_PIN +# define CONFIG_UART2_RTS_PIN -1 # endif #endif @@ -130,7 +130,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART0_TX, CH_UART0_RX, #endif -#ifdef CONFIG_BFIN_UART0_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART0_CTS_PIN, CONFIG_UART0_RTS_PIN, #endif @@ -144,6 +144,10 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART1_TX, CH_UART1_RX, #endif +#ifdef CONFIG_SERIAL_BFIN_CTSRTS + 0, + 0, +#endif }, #endif #ifdef CONFIG_SERIAL_BFIN_UART2 @@ -154,7 +158,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART2_TX, CH_UART2_RX, #endif -#ifdef CONFIG_BFIN_UART2_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART2_CTS_PIN, CONFIG_UART2_RTS_PIN, #endif @@ -168,6 +172,10 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART3_TX, CH_UART3_RX, #endif +#ifdef CONFIG_SERIAL_BFIN_CTSRTS + 0, + 0, +#endif }, #endif }; diff --git a/arch/blackfin/mach-bf548/include/mach/irq.h b/arch/blackfin/mach-bf548/include/mach/irq.h index 60299a7..f194625 100644 --- a/arch/blackfin/mach-bf548/include/mach/irq.h +++ b/arch/blackfin/mach-bf548/include/mach/irq.h @@ -123,8 +123,8 @@ Events (highest priority) EMU 0 #define IRQ_MXVR_ERROR BFIN_IRQ(51) /* MXVR Status (Error) Interrupt */ #define IRQ_MXVR_MSG BFIN_IRQ(52) /* MXVR Message Interrupt */ #define IRQ_MXVR_PKT BFIN_IRQ(53) /* MXVR Packet Interrupt */ -#define IRQ_EPP1_ERROR BFIN_IRQ(54) /* EPPI1 Error Interrupt */ -#define IRQ_EPP2_ERROR BFIN_IRQ(55) /* EPPI2 Error Interrupt */ +#define IRQ_EPPI1_ERROR BFIN_IRQ(54) /* EPPI1 Error Interrupt */ +#define IRQ_EPPI2_ERROR BFIN_IRQ(55) /* EPPI2 Error Interrupt */ #define IRQ_UART3_ERROR BFIN_IRQ(56) /* UART3 Status (Error) Interrupt */ #define IRQ_HOST_ERROR BFIN_IRQ(57) /* HOST Status (Error) Interrupt */ #define IRQ_PIXC_ERROR BFIN_IRQ(59) /* PIXC Status (Error) Interrupt */ @@ -361,8 +361,8 @@ Events (highest priority) EMU 0 #define IRQ_UART2_ERR IRQ_UART2_ERROR #define IRQ_CAN0_ERR IRQ_CAN0_ERROR #define IRQ_MXVR_ERR IRQ_MXVR_ERROR -#define IRQ_EPP1_ERR IRQ_EPP1_ERROR -#define IRQ_EPP2_ERR IRQ_EPP2_ERROR +#define IRQ_EPPI1_ERR IRQ_EPPI1_ERROR +#define IRQ_EPPI2_ERR IRQ_EPPI2_ERROR #define IRQ_UART3_ERR IRQ_UART3_ERROR #define IRQ_HOST_ERR IRQ_HOST_ERROR #define IRQ_PIXC_ERR IRQ_PIXC_ERROR diff --git a/arch/blackfin/mach-bf561/boards/Kconfig b/arch/blackfin/mach-bf561/boards/Kconfig index e41a67b..e4bc6d7 100644 --- a/arch/blackfin/mach-bf561/boards/Kconfig +++ b/arch/blackfin/mach-bf561/boards/Kconfig @@ -19,9 +19,4 @@ config BFIN561_BLUETECHNIX_CM help CM-BF561 support for EVAL- and DEV-Board. -config GENERIC_BF561_BOARD - bool "Generic" - help - Generic or Custom board support. - endchoice diff --git a/arch/blackfin/mach-bf561/boards/Makefile b/arch/blackfin/mach-bf561/boards/Makefile index 04add01..3a15255 100644 --- a/arch/blackfin/mach-bf561/boards/Makefile +++ b/arch/blackfin/mach-bf561/boards/Makefile @@ -2,7 +2,6 @@ # arch/blackfin/mach-bf561/boards/Makefile # -obj-$(CONFIG_GENERIC_BF561_BOARD) += generic_board.o obj-$(CONFIG_BFIN561_BLUETECHNIX_CM) += cm_bf561.o obj-$(CONFIG_BFIN561_EZKIT) += ezkit.o obj-$(CONFIG_BFIN561_TEPLA) += tepla.o diff --git a/arch/blackfin/mach-bf561/boards/cm_bf561.c b/arch/blackfin/mach-bf561/boards/cm_bf561.c index 6880d1e..f623c6b 100644 --- a/arch/blackfin/mach-bf561/boards/cm_bf561.c +++ b/arch/blackfin/mach-bf561/boards/cm_bf561.c @@ -105,9 +105,9 @@ static struct bfin5xx_spi_chip ad9960_spi_chip_info = { }; #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) -static struct bfin5xx_spi_chip spi_mmc_chip_info = { - .enable_dma = 1, +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, .bits_per_word = 8, }; #endif @@ -155,14 +155,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &ad9960_spi_chip_info, }, #endif -#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { - .modalias = "spi_mmc", + .modalias = "mmc_spi", .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = CONFIG_SPI_MMC_CS_CHAN, - .platform_data = NULL, - .controller_data = &spi_mmc_chip_info, + .chip_select = 5, + .controller_data = &mmc_spi_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf561/boards/generic_board.c b/arch/blackfin/mach-bf561/boards/generic_board.c deleted file mode 100644 index 0ba366a..0000000 --- a/arch/blackfin/mach-bf561/boards/generic_board.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * File: arch/blackfin/mach-bf561/generic_board.c - * Based on: arch/blackfin/mach-bf533/ezkit.c - * Author: Aidan Williams <aidan@nicta.com.au> - * - * Created: - * Description: - * - * Modified: - * Copyright 2005 National ICT Australia (NICTA) - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/irq.h> - -const char bfin_board_name[] = "UNKNOWN BOARD"; - -/* - * Driver needs to know address, irq and flag pin. - */ -#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) -static struct resource smc91x_resources[] = { - { - .start = 0x2C010300, - .end = 0x2C010300 + 16, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_PROG_INTB, - .end = IRQ_PROG_INTB, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - }, { - .start = IRQ_PF9, - .end = IRQ_PF9, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - }, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; -#endif - -#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) -#ifdef CONFIG_BFIN_SIR0 -static struct resource bfin_sir0_resources[] = { - { - .start = 0xFFC00400, - .end = 0xFFC004FF, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_UART0_RX, - .end = IRQ_UART0_RX+1, - .flags = IORESOURCE_IRQ, - }, - { - .start = CH_UART0_RX, - .end = CH_UART0_RX+1, - .flags = IORESOURCE_DMA, - }, -}; - -static struct platform_device bfin_sir0_device = { - .name = "bfin_sir", - .id = 0, - .num_resources = ARRAY_SIZE(bfin_sir0_resources), - .resource = bfin_sir0_resources, -}; -#endif -#endif - -static struct platform_device *generic_board_devices[] __initdata = { -#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) - &smc91x_device, -#endif - -#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) -#ifdef CONFIG_BFIN_SIR0 - &bfin_sir0_device, -#endif -#endif -}; - -static int __init generic_board_init(void) -{ - printk(KERN_INFO "%s(): registering device resources\n", __func__); - return platform_add_devices(generic_board_devices, - ARRAY_SIZE(generic_board_devices)); -} - -arch_initcall(generic_board_init); diff --git a/arch/blackfin/mach-bf561/include/mach/anomaly.h b/arch/blackfin/mach-bf561/include/mach/anomaly.h index 1a9e175..d0b0b35 100644 --- a/arch/blackfin/mach-bf561/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf561/include/mach/anomaly.h @@ -2,7 +2,7 @@ * File: include/asm-blackfin/mach-bf561/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2008 Analog Devices Inc. + * Copyright (C) 2004-2009 Analog Devices Inc. * Licensed under the GPL-2 or later. */ @@ -224,7 +224,7 @@ #define ANOMALY_05000301 (1) /* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */ #define ANOMALY_05000302 (1) -/* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */ +/* SPORT_HYS Bit in PLL_CTL Register Is Not Functional */ #define ANOMALY_05000305 (__SILICON_REVISION__ < 5) /* SCKELOW Bit Does Not Maintain State Through Hibernate */ #define ANOMALY_05000307 (__SILICON_REVISION__ < 5) @@ -283,8 +283,11 @@ #define ANOMALY_05000273 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000353 (1) +#define ANOMALY_05000380 (0) #define ANOMALY_05000386 (1) #define ANOMALY_05000432 (0) #define ANOMALY_05000435 (0) +#define ANOMALY_05000447 (0) +#define ANOMALY_05000448 (0) #endif diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h index 043bfcf..ca8c5f6 100644 --- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h @@ -134,7 +134,7 @@ struct bfin_serial_res bfin_serial_resource[] = { CH_UART_TX, CH_UART_RX, #endif -#ifdef CONFIG_BFIN_UART0_CTSRTS +#ifdef CONFIG_SERIAL_BFIN_CTSRTS CONFIG_UART0_CTS_PIN, CONFIG_UART0_RTS_PIN, #endif diff --git a/arch/blackfin/mach-common/arch_checks.c b/arch/blackfin/mach-common/arch_checks.c index 98133b9..80d39b2 100644 --- a/arch/blackfin/mach-common/arch_checks.c +++ b/arch/blackfin/mach-common/arch_checks.c @@ -62,3 +62,12 @@ #if (CONFIG_BOOT_LOAD & 0x3) # error "The kernel load address must be 4 byte aligned" #endif + +/* The entire kernel must be able to make a 24bit pcrel call to start of L1 */ +#if ((0xffffffff - L1_CODE_START + 1) + CONFIG_BOOT_LOAD) > 0x1000000 +# error "The kernel load address is too high; keep it below 10meg for safety" +#endif + +#if ANOMALY_05000448 +# error You are using a part with anomaly 05000448, this issue causes random memory read/write failures - that means random crashes. +#endif diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S index 3c98dac..aa0648c 100644 --- a/arch/blackfin/mach-common/cache.S +++ b/arch/blackfin/mach-common/cache.S @@ -66,11 +66,33 @@ /* Invalidate all instruction cache lines assocoiated with this memory area */ ENTRY(_blackfin_icache_flush_range) +/* + * Walkaround to avoid loading wrong instruction after invalidating icache + * and following sequence is met. + * + * 1) One instruction address is cached in the instruction cache. + * 2) This instruction in SDRAM is changed. + * 3) IFLASH[P0] is executed only once in blackfin_icache_flush_range(). + * 4) This instruction is executed again, but the old one is loaded. + */ + P0 = R0; + IFLUSH[P0]; do_flush IFLUSH, , nop ENDPROC(_blackfin_icache_flush_range) /* Flush all cache lines assocoiated with this area of memory. */ ENTRY(_blackfin_icache_dcache_flush_range) +/* + * Walkaround to avoid loading wrong instruction after invalidating icache + * and following sequence is met. + * + * 1) One instruction address is cached in the instruction cache. + * 2) This instruction in SDRAM is changed. + * 3) IFLASH[P0] is executed only once in blackfin_icache_flush_range(). + * 4) This instruction is executed again, but the old one is loaded. + */ + P0 = R0; + IFLUSH[P0]; do_flush FLUSH, IFLUSH ENDPROC(_blackfin_icache_dcache_flush_range) diff --git a/arch/blackfin/mach-common/clocks-init.c b/arch/blackfin/mach-common/clocks-init.c index 9dddb6f..3539365 100644 --- a/arch/blackfin/mach-common/clocks-init.c +++ b/arch/blackfin/mach-common/clocks-init.c @@ -17,7 +17,7 @@ #define SDGCTL_WIDTH (1 << 31) /* SDRAM external data path width */ #define PLL_CTL_VAL \ (((CONFIG_VCO_MULT & 63) << 9) | CLKIN_HALF | \ - (PLL_BYPASS << 8) | (ANOMALY_05000265 ? 0x8000 : 0)) + (PLL_BYPASS << 8) | (ANOMALY_05000305 ? 0 : 0x8000)) __attribute__((l1_text)) static void do_sync(void) diff --git a/arch/blackfin/mach-common/dpmc_modes.S b/arch/blackfin/mach-common/dpmc_modes.S index 4da50bc..8009a51 100644 --- a/arch/blackfin/mach-common/dpmc_modes.S +++ b/arch/blackfin/mach-common/dpmc_modes.S @@ -376,10 +376,22 @@ ENTRY(_do_hibernate) #endif #ifdef PINT0_ASSIGN + PM_SYS_PUSH(PINT0_MASK_SET) + PM_SYS_PUSH(PINT1_MASK_SET) + PM_SYS_PUSH(PINT2_MASK_SET) + PM_SYS_PUSH(PINT3_MASK_SET) PM_SYS_PUSH(PINT0_ASSIGN) PM_SYS_PUSH(PINT1_ASSIGN) PM_SYS_PUSH(PINT2_ASSIGN) PM_SYS_PUSH(PINT3_ASSIGN) + PM_SYS_PUSH(PINT0_INVERT_SET) + PM_SYS_PUSH(PINT1_INVERT_SET) + PM_SYS_PUSH(PINT2_INVERT_SET) + PM_SYS_PUSH(PINT3_INVERT_SET) + PM_SYS_PUSH(PINT0_EDGE_SET) + PM_SYS_PUSH(PINT1_EDGE_SET) + PM_SYS_PUSH(PINT2_EDGE_SET) + PM_SYS_PUSH(PINT3_EDGE_SET) #endif PM_SYS_PUSH(EBIU_AMBCTL0) @@ -714,10 +726,22 @@ ENTRY(_do_hibernate) PM_SYS_POP(EBIU_AMBCTL0) #ifdef PINT0_ASSIGN + PM_SYS_POP(PINT3_EDGE_SET) + PM_SYS_POP(PINT2_EDGE_SET) + PM_SYS_POP(PINT1_EDGE_SET) + PM_SYS_POP(PINT0_EDGE_SET) + PM_SYS_POP(PINT3_INVERT_SET) + PM_SYS_POP(PINT2_INVERT_SET) + PM_SYS_POP(PINT1_INVERT_SET) + PM_SYS_POP(PINT0_INVERT_SET) PM_SYS_POP(PINT3_ASSIGN) PM_SYS_POP(PINT2_ASSIGN) PM_SYS_POP(PINT1_ASSIGN) PM_SYS_POP(PINT0_ASSIGN) + PM_SYS_POP(PINT3_MASK_SET) + PM_SYS_POP(PINT2_MASK_SET) + PM_SYS_POP(PINT1_MASK_SET) + PM_SYS_POP(PINT0_MASK_SET) #endif #ifdef SICA_IWR1 diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 88de053..21e65a3 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -600,6 +600,19 @@ ENTRY(_system_call) p2 = [p2]; [p2+(TASK_THREAD+THREAD_KSP)] = sp; +#ifdef CONFIG_IPIPE + r0 = sp; + SP += -12; + call ___ipipe_syscall_root; + SP += 12; + cc = r0 == 1; + if cc jump .Lsyscall_really_exit; + cc = r0 == -1; + if cc jump .Lresume_userspace; + r3 = [sp + PT_R3]; + r4 = [sp + PT_R4]; + p0 = [sp + PT_ORIG_P0]; +#endif /* CONFIG_IPIPE */ /* Check the System Call */ r7 = __NR_syscall; @@ -654,6 +667,17 @@ ENTRY(_system_call) r7 = r7 & r4; .Lsyscall_resched: +#ifdef CONFIG_IPIPE + cc = BITTST(r7, TIF_IRQ_SYNC); + if !cc jump .Lsyscall_no_irqsync; + [--sp] = reti; + r0 = [sp++]; + SP += -12; + call ___ipipe_sync_root; + SP += 12; + jump .Lresume_userspace_1; +.Lsyscall_no_irqsync: +#endif cc = BITTST(r7, TIF_NEED_RESCHED); if !cc jump .Lsyscall_sigpending; @@ -685,6 +709,10 @@ ENTRY(_system_call) .Lsyscall_really_exit: r5 = [sp + PT_RESERVED]; rets = r5; +#ifdef CONFIG_IPIPE + [--sp] = reti; + r5 = [sp++]; +#endif /* CONFIG_IPIPE */ rts; ENDPROC(_system_call) @@ -771,6 +799,15 @@ _new_old_task: ENDPROC(_resume) ENTRY(_ret_from_exception) +#ifdef CONFIG_IPIPE + [--sp] = rets; + SP += -12; + call ___ipipe_check_root + SP += 12 + rets = [sp++]; + cc = r0 == 0; + if cc jump 4f; /* not on behalf of Linux, get out */ +#endif /* CONFIG_IPIPE */ p2.l = lo(IPEND); p2.h = hi(IPEND); @@ -827,6 +864,28 @@ ENTRY(_ret_from_exception) rts; ENDPROC(_ret_from_exception) +#ifdef CONFIG_IPIPE + +_sync_root_irqs: + [--sp] = reti; /* Reenable interrupts */ + r0 = [sp++]; + jump.l ___ipipe_sync_root + +_resume_kernel_from_int: + r0.l = _sync_root_irqs + r0.h = _sync_root_irqs + [--sp] = rets; + [--sp] = ( r7:4, p5:3 ); + SP += -12; + call ___ipipe_call_irqtail + SP += 12; + ( r7:4, p5:3 ) = [sp++]; + rets = [sp++]; + rts +#else +#define _resume_kernel_from_int 2f +#endif + ENTRY(_return_from_int) /* If someone else already raised IRQ 15, do nothing. */ csync; @@ -848,7 +907,7 @@ ENTRY(_return_from_int) r1 = r0 - r1; r2 = r0 & r1; cc = r2 == 0; - if !cc jump 2f; + if !cc jump _resume_kernel_from_int; /* Lower the interrupt level to 15. */ p0.l = lo(EVT15); diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S index 43c4eb9..0069c2d 100644 --- a/arch/blackfin/mach-common/interrupt.S +++ b/arch/blackfin/mach-common/interrupt.S @@ -235,6 +235,7 @@ ENDPROC(_evt_system_call) #ifdef CONFIG_IPIPE ENTRY(___ipipe_call_irqtail) + p0 = r0; r0.l = 1f; r0.h = 1f; reti = r0; @@ -242,9 +243,6 @@ ENTRY(___ipipe_call_irqtail) 1: [--sp] = rets; [--sp] = ( r7:4, p5:3 ); - p0.l = ___ipipe_irq_tail_hook; - p0.h = ___ipipe_irq_tail_hook; - p0 = [p0]; sp += -12; call (p0); sp += 12; @@ -259,7 +257,7 @@ ENTRY(___ipipe_call_irqtail) p0.h = hi(EVT14); [p0] = r0; csync; - r0 = 0x401f; + r0 = 0x401f (z); sti r0; raise 14; [--sp] = reti; /* IRQs on. */ @@ -277,11 +275,7 @@ ENTRY(___ipipe_call_irqtail) p0.h = _bfin_irq_flags; r0 = [p0]; sti r0; -#if 0 /* FIXME: this actually raises scheduling latencies */ - /* Reenable interrupts */ - [--sp] = reti; - r0 = [sp++]; -#endif rts; ENDPROC(___ipipe_call_irqtail) + #endif /* CONFIG_IPIPE */ diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index 2024945..a7d7b2d 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -161,11 +161,15 @@ static void bfin_core_unmask_irq(unsigned int irq) static void bfin_internal_mask_irq(unsigned int irq) { + unsigned long flags; + #ifdef CONFIG_BF53x + local_irq_save_hw(flags); bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() & ~(1 << SIC_SYSIRQ(irq))); #else unsigned mask_bank, mask_bit; + local_irq_save_hw(flags); mask_bank = SIC_SYSIRQ(irq) / 32; mask_bit = SIC_SYSIRQ(irq) % 32; bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) & @@ -175,15 +179,20 @@ static void bfin_internal_mask_irq(unsigned int irq) ~(1 << mask_bit)); #endif #endif + local_irq_restore_hw(flags); } static void bfin_internal_unmask_irq(unsigned int irq) { + unsigned long flags; + #ifdef CONFIG_BF53x + local_irq_save_hw(flags); bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() | (1 << SIC_SYSIRQ(irq))); #else unsigned mask_bank, mask_bit; + local_irq_save_hw(flags); mask_bank = SIC_SYSIRQ(irq) / 32; mask_bit = SIC_SYSIRQ(irq) % 32; bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) | @@ -193,6 +202,7 @@ static void bfin_internal_unmask_irq(unsigned int irq) (1 << mask_bit)); #endif #endif + local_irq_restore_hw(flags); } #ifdef CONFIG_PM @@ -390,7 +400,7 @@ static void bfin_demux_error_irq(unsigned int int_err_irq, static inline void bfin_set_irq_handler(unsigned irq, irq_flow_handler_t handle) { #ifdef CONFIG_IPIPE - _set_irq_handler(irq, handle_edge_irq); + _set_irq_handler(irq, handle_level_irq); #else struct irq_desc *desc = irq_desc + irq; /* May not call generic set_irq_handler() due to spinlock @@ -1055,13 +1065,18 @@ int __init init_arch_irq(void) #endif default: #ifdef CONFIG_IPIPE - /* - * We want internal interrupt sources to be masked, because - * ISRs may trigger interrupts recursively (e.g. DMA), but - * interrupts are _not_ masked at CPU level. So let's handle - * them as level interrupts. - */ - set_irq_handler(irq, handle_level_irq); + /* + * We want internal interrupt sources to be + * masked, because ISRs may trigger interrupts + * recursively (e.g. DMA), but interrupts are + * _not_ masked at CPU level. So let's handle + * most of them as level interrupts, except + * the timer interrupt which is special. + */ + if (irq == IRQ_SYSTMR || irq == IRQ_CORETMR) + set_irq_handler(irq, handle_simple_irq); + else + set_irq_handler(irq, handle_level_irq); #else /* !CONFIG_IPIPE */ set_irq_handler(irq, handle_simple_irq); #endif /* !CONFIG_IPIPE */ @@ -1123,9 +1138,8 @@ int __init init_arch_irq(void) #ifdef CONFIG_IPIPE for (irq = 0; irq < NR_IRQS; irq++) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); desc->ic_prio = __ipipe_get_irq_priority(irq); - desc->thr_prio = __ipipe_get_irqthread_priority(irq); } #endif /* CONFIG_IPIPE */ @@ -1208,76 +1222,21 @@ int __ipipe_get_irq_priority(unsigned irq) return IVG15; } -int __ipipe_get_irqthread_priority(unsigned irq) -{ - int ient, prio; - int demux_irq; - - /* The returned priority value is rescaled to [0..IVG13+1] - * with 0 being the lowest effective priority level. */ - - if (irq <= IRQ_CORETMR) - return IVG13 - irq + 1; - - /* GPIO IRQs are given the priority of the demux - * interrupt. */ - if (IS_GPIOIRQ(irq)) { -#if defined(CONFIG_BF54x) - u32 bank = PINT_2_BANK(irq2pint_lut[irq - SYS_IRQS]); - demux_irq = (bank == 0 ? IRQ_PINT0 : - bank == 1 ? IRQ_PINT1 : - bank == 2 ? IRQ_PINT2 : - IRQ_PINT3); -#elif defined(CONFIG_BF561) - demux_irq = (irq >= IRQ_PF32 ? IRQ_PROG2_INTA : - irq >= IRQ_PF16 ? IRQ_PROG1_INTA : - IRQ_PROG0_INTA); -#elif defined(CONFIG_BF52x) - demux_irq = (irq >= IRQ_PH0 ? IRQ_PORTH_INTA : - irq >= IRQ_PG0 ? IRQ_PORTG_INTA : - IRQ_PORTF_INTA); -#else - demux_irq = irq; -#endif - return IVG13 - PRIO_GPIODEMUX(demux_irq) + 1; - } - - /* The GPIO demux interrupt is given a lower priority - * than the GPIO IRQs, so that its threaded handler - * unmasks the interrupt line after the decoded IRQs - * have been processed. */ - prio = PRIO_GPIODEMUX(irq); - /* demux irq? */ - if (prio != -1) - return IVG13 - prio; - - for (ient = 0; ient < NR_PERI_INTS; ient++) { - struct ivgx *ivg = ivg_table + ient; - if (ivg->irqno == irq) { - for (prio = 0; prio <= IVG13-IVG7; prio++) { - if (ivg7_13[prio].ifirst <= ivg && - ivg7_13[prio].istop > ivg) - return IVG7 - prio; - } - } - } - - return 0; -} - /* Hw interrupts are disabled on entry (check SAVE_CONTEXT). */ #ifdef CONFIG_DO_IRQ_L1 __attribute__((l1_text)) #endif asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs) { + struct ipipe_percpu_domain_data *p = ipipe_root_cpudom_ptr(); + struct ipipe_domain *this_domain = ipipe_current_domain; struct ivgx *ivg_stop = ivg7_13[vec-IVG7].istop; struct ivgx *ivg = ivg7_13[vec-IVG7].ifirst; - int irq; + int irq, s; if (likely(vec == EVT_IVTMR_P)) { irq = IRQ_CORETMR; - goto handle_irq; + goto core_tick; } SSYNC(); @@ -1319,24 +1278,39 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs) irq = ivg->irqno; if (irq == IRQ_SYSTMR) { +#ifdef CONFIG_GENERIC_CLOCKEVENTS +core_tick: +#else bfin_write_TIMER_STATUS(1); /* Latch TIMIL0 */ +#endif /* This is basically what we need from the register frame. */ __raw_get_cpu_var(__ipipe_tick_regs).ipend = regs->ipend; __raw_get_cpu_var(__ipipe_tick_regs).pc = regs->pc; - if (!ipipe_root_domain_p) - __raw_get_cpu_var(__ipipe_tick_regs).ipend |= 0x10; - else + if (this_domain != ipipe_root_domain) __raw_get_cpu_var(__ipipe_tick_regs).ipend &= ~0x10; + else + __raw_get_cpu_var(__ipipe_tick_regs).ipend |= 0x10; } -handle_irq: +#ifndef CONFIG_GENERIC_CLOCKEVENTS +core_tick: +#endif + if (this_domain == ipipe_root_domain) { + s = __test_and_set_bit(IPIPE_SYNCDEFER_FLAG, &p->status); + barrier(); + } ipipe_trace_irq_entry(irq); __ipipe_handle_irq(irq, regs); - ipipe_trace_irq_exit(irq); + ipipe_trace_irq_exit(irq); - if (ipipe_root_domain_p) - return !test_bit(IPIPE_STALL_FLAG, &ipipe_root_cpudom_var(status)); + if (this_domain == ipipe_root_domain) { + set_thread_flag(TIF_IRQ_SYNC); + if (!s) { + __clear_bit(IPIPE_SYNCDEFER_FLAG, &p->status); + return !test_bit(IPIPE_STALL_FLAG, &p->status); + } + } return 0; } diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c index 77c9928..93eab61 100644 --- a/arch/blackfin/mach-common/smp.c +++ b/arch/blackfin/mach-common/smp.c @@ -158,10 +158,14 @@ static irqreturn_t ipi_handler(int irq, void *dev_instance) kfree(msg); break; case BFIN_IPI_CALL_FUNC: + spin_unlock(&msg_queue->lock); ipi_call_function(cpu, msg); + spin_lock(&msg_queue->lock); break; case BFIN_IPI_CPU_STOP: + spin_unlock(&msg_queue->lock); ipi_cpu_stop(cpu); + spin_lock(&msg_queue->lock); kfree(msg); break; default: @@ -457,7 +461,7 @@ void smp_icache_flush_range_others(unsigned long start, unsigned long end) smp_flush_data.start = start; smp_flush_data.end = end; - if (smp_call_function(&ipi_flush_icache, &smp_flush_data, 1)) + if (smp_call_function(&ipi_flush_icache, &smp_flush_data, 0)) printk(KERN_WARNING "SMP: failed to run I-cache flush request on other CPUs\n"); } EXPORT_SYMBOL_GPL(smp_icache_flush_range_others); diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c index d0532b7..9c3629b 100644 --- a/arch/blackfin/mm/init.c +++ b/arch/blackfin/mm/init.c @@ -104,7 +104,7 @@ void __init paging_init(void) } } -asmlinkage void init_pda(void) +asmlinkage void __init init_pda(void) { unsigned int cpu = raw_smp_processor_id(); diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c index e626e50..060df4a 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c @@ -135,11 +135,10 @@ pcibr_dmatrans_direct64(struct pcidev_info * info, u64 paddr, if (SN_DMA_ADDRTYPE(dma_flags) == SN_DMA_ADDR_PHYS) pci_addr = IS_PIC_SOFT(pcibus_info) ? PHYS_TO_DMA(paddr) : - PHYS_TO_TIODMA(paddr) | dma_attributes; + PHYS_TO_TIODMA(paddr); else - pci_addr = IS_PIC_SOFT(pcibus_info) ? - paddr : - paddr | dma_attributes; + pci_addr = paddr; + pci_addr |= dma_attributes; /* Handle Bus mode */ if (IS_PCIX(pcibus_info)) diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h index ac5d541..6c5b409 100644 --- a/arch/mips/include/asm/compat.h +++ b/arch/mips/include/asm/compat.h @@ -3,6 +3,8 @@ /* * Architecture specific compatibility types */ +#include <linux/seccomp.h> +#include <linux/thread_info.h> #include <linux/types.h> #include <asm/page.h> #include <asm/ptrace.h> @@ -218,4 +220,9 @@ struct compat_shmid64_ds { compat_ulong_t __unused2; }; +static inline int is_compat_task(void) +{ + return test_thread_flag(TIF_32BIT); +} + #endif /* _ASM_COMPAT_H */ diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c index 169a120..87b67e3 100644 --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -729,7 +729,7 @@ struct pebs_tracer *ds_request_pebs(struct task_struct *task, spin_unlock_irqrestore(&ds_lock, irq); - ds_write_config(tracer->ds.context, &tracer->trace.ds, ds_bts); + ds_write_config(tracer->ds.context, &tracer->trace.ds, ds_pebs); ds_resume_pebs(tracer); return tracer; @@ -1029,5 +1029,4 @@ void ds_copy_thread(struct task_struct *tsk, struct task_struct *father) void ds_exit_thread(struct task_struct *tsk) { - WARN_ON(tsk->thread.ds_ctx); } diff --git a/block/blk-merge.c b/block/blk-merge.c index a104593..5a244f0 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -39,14 +39,13 @@ void blk_recalc_rq_sectors(struct request *rq, int nsect) } static unsigned int __blk_recalc_rq_segments(struct request_queue *q, - struct bio *bio, - unsigned int *seg_size_ptr) + struct bio *bio) { unsigned int phys_size; struct bio_vec *bv, *bvprv = NULL; int cluster, i, high, highprv = 1; unsigned int seg_size, nr_phys_segs; - struct bio *fbio; + struct bio *fbio, *bbio; if (!bio) return 0; @@ -87,26 +86,20 @@ new_segment: seg_size = bv->bv_len; highprv = high; } + bbio = bio; } - if (seg_size_ptr) - *seg_size_ptr = seg_size; + if (nr_phys_segs == 1 && seg_size > fbio->bi_seg_front_size) + fbio->bi_seg_front_size = seg_size; + if (seg_size > bbio->bi_seg_back_size) + bbio->bi_seg_back_size = seg_size; return nr_phys_segs; } void blk_recalc_rq_segments(struct request *rq) { - unsigned int seg_size = 0, phys_segs; - - phys_segs = __blk_recalc_rq_segments(rq->q, rq->bio, &seg_size); - - if (phys_segs == 1 && seg_size > rq->bio->bi_seg_front_size) - rq->bio->bi_seg_front_size = seg_size; - if (seg_size > rq->biotail->bi_seg_back_size) - rq->biotail->bi_seg_back_size = seg_size; - - rq->nr_phys_segments = phys_segs; + rq->nr_phys_segments = __blk_recalc_rq_segments(rq->q, rq->bio); } void blk_recount_segments(struct request_queue *q, struct bio *bio) @@ -114,7 +107,7 @@ void blk_recount_segments(struct request_queue *q, struct bio *bio) struct bio *nxt = bio->bi_next; bio->bi_next = NULL; - bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio, NULL); + bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio); bio->bi_next = nxt; bio->bi_flags |= (1 << BIO_SEG_VALID); } diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index a603bbf..66e012c 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -582,18 +582,18 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci }, /* MCP79 */ { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci }, /* MCP79 */ { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci }, /* MCP79 */ - { PCI_VDEVICE(NVIDIA, 0x0bc8), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bc9), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bca), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bcb), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bcc), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bcd), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bce), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bcf), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bc4), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bc5), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bc6), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bc7), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci }, /* MCP89 */ /* SiS */ { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */ diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 9fbf059..060bcd6 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1322,14 +1322,16 @@ static u64 ata_id_n_sectors(const u16 *id) { if (ata_id_has_lba(id)) { if (ata_id_has_lba48(id)) - return ata_id_u64(id, 100); + return ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); else - return ata_id_u32(id, 60); + return ata_id_u32(id, ATA_ID_LBA_CAPACITY); } else { if (ata_id_current_chs_valid(id)) - return ata_id_u32(id, 57); + return id[ATA_ID_CUR_CYLS] * id[ATA_ID_CUR_HEADS] * + id[ATA_ID_CUR_SECTORS]; else - return id[1] * id[3] * id[6]; + return id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * + id[ATA_ID_SECTORS]; } } @@ -4612,7 +4614,7 @@ void ata_sg_clean(struct ata_queued_cmd *qc) VPRINTK("unmapping %u sg elements\n", qc->n_elem); if (qc->n_elem) - dma_unmap_sg(ap->dev, sg, qc->n_elem, dir); + dma_unmap_sg(ap->dev, sg, qc->orig_n_elem, dir); qc->flags &= ~ATA_QCFLAG_DMAMAP; qc->sg = NULL; @@ -4727,7 +4729,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc) return -1; DPRINTK("%d sg elements mapped\n", n_elem); - + qc->orig_n_elem = qc->n_elem; qc->n_elem = n_elem; qc->flags |= ATA_QCFLAG_DMAMAP; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index ce2ef04..ea89091 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2423,11 +2423,14 @@ int ata_eh_reset(struct ata_link *link, int classify, } /* prereset() might have cleared ATA_EH_RESET. If so, - * bang classes and return. + * bang classes, thaw and return. */ if (reset && !(ehc->i.action & ATA_EH_RESET)) { ata_for_each_dev(dev, link, ALL) classes[dev->devno] = ATA_DEV_NONE; + if ((ap->pflags & ATA_PFLAG_FROZEN) && + ata_is_host_link(link)) + ata_eh_thaw_port(ap); rc = 0; goto out; } @@ -2901,7 +2904,7 @@ static int atapi_eh_clear_ua(struct ata_device *dev) int i; for (i = 0; i < ATA_EH_UA_TRIES; i++) { - u8 sense_buffer[SCSI_SENSE_BUFFERSIZE]; + u8 *sense_buffer = dev->link->ap->sector_buf; u8 sense_key = 0; unsigned int err_mask; diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 55a8eed..f65b537 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -2523,7 +2523,7 @@ static void __exit nv_exit(void) module_init(nv_init); module_exit(nv_exit); module_param_named(adma, adma_enabled, bool, 0444); -MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: true)"); +MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: false)"); module_param_named(swncq, swncq_enabled, bool, 0444); MODULE_PARM_DESC(swncq, "Enable use of SWNCQ (Default: true)"); diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index b5a0611..4f9b6d7 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -3606,11 +3606,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, if (cciss_hard_reset_controller(pdev) || cciss_reset_msi(pdev)) return -ENODEV; - /* Some devices (notably the HP Smart Array 5i Controller) - need a little pause here */ - schedule_timeout_uninterruptible(30*HZ); - - /* Now try to get the controller to respond to a no-op */ + /* Now try to get the controller to respond to a no-op. Some + devices (notably the HP Smart Array 5i Controller) need + up to 30 seconds to respond. */ for (i=0; i<30; i++) { if (cciss_noop(pdev) == 0) break; diff --git a/drivers/block/loop.c b/drivers/block/loop.c index edbaac6..bf03455 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -392,8 +392,7 @@ lo_splice_actor(struct pipe_inode_info *pipe, struct pipe_buffer *buf, struct loop_device *lo = p->lo; struct page *page = buf->page; sector_t IV; - size_t size; - int ret; + int size, ret; ret = buf->ops->confirm(pipe, buf); if (unlikely(ret)) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index b6c8ce2..8f90508 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -977,6 +977,8 @@ static void backend_changed(struct xenbus_device *dev, break; case XenbusStateClosing: + if (info->gd == NULL) + xenbus_dev_fatal(dev, -ENODEV, "gd is NULL"); bd = bdget_disk(info->gd, 0); if (bd == NULL) xenbus_dev_fatal(dev, -ENODEV, "bdget failed"); diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c index 33bd753..25b743a 100644 --- a/drivers/dca/dca-core.c +++ b/drivers/dca/dca-core.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2007 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2009 Intel Corporation. All rights reserved. * * 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 diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 732fa1e..e190d8b 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -430,13 +430,15 @@ late_initcall(dmatest_init); static void __exit dmatest_exit(void) { struct dmatest_chan *dtc, *_dtc; + struct dma_chan *chan; list_for_each_entry_safe(dtc, _dtc, &dmatest_channels, node) { list_del(&dtc->node); + chan = dtc->chan; dmatest_cleanup_channel(dtc); pr_debug("dmatest: dropped channel %s\n", - dma_chan_name(dtc->chan)); - dma_release_channel(dtc->chan); + dma_chan_name(chan)); + dma_release_channel(chan); } } module_exit(dmatest_exit); diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 70126a6..86d6da4 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -158,7 +158,8 @@ static void dma_start(struct fsl_dma_chan *fsl_chan) static void dma_halt(struct fsl_dma_chan *fsl_chan) { - int i = 0; + int i; + DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) | FSL_DMA_MR_CA, 32); @@ -166,8 +167,11 @@ static void dma_halt(struct fsl_dma_chan *fsl_chan) DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) & ~(FSL_DMA_MR_CS | FSL_DMA_MR_EMS_EN | FSL_DMA_MR_CA), 32); - while (!dma_is_idle(fsl_chan) && (i++ < 100)) + for (i = 0; i < 100; i++) { + if (dma_is_idle(fsl_chan)) + break; udelay(10); + } if (i >= 100 && !dma_is_idle(fsl_chan)) dev_err(fsl_chan->dev, "DMA halt timeout!\n"); } diff --git a/drivers/dma/ioat.c b/drivers/dma/ioat.c index 4105d65..ed83dd9 100644 --- a/drivers/dma/ioat.c +++ b/drivers/dma/ioat.c @@ -1,6 +1,6 @@ /* * Intel I/OAT DMA Linux driver - * Copyright(c) 2007 Intel Corporation. + * Copyright(c) 2007 - 2009 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, diff --git a/drivers/dma/ioat_dca.c b/drivers/dma/ioat_dca.c index 6cf622d..c012a1e 100644 --- a/drivers/dma/ioat_dca.c +++ b/drivers/dma/ioat_dca.c @@ -1,6 +1,6 @@ /* * Intel I/OAT DMA Linux driver - * Copyright(c) 2007 Intel Corporation. + * Copyright(c) 2007 - 2009 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -49,6 +49,23 @@ #define DCA_TAG_MAP_MASK 0xDF +/* expected tag map bytes for I/OAT ver.2 */ +#define DCA2_TAG_MAP_BYTE0 0x80 +#define DCA2_TAG_MAP_BYTE1 0x0 +#define DCA2_TAG_MAP_BYTE2 0x81 +#define DCA2_TAG_MAP_BYTE3 0x82 +#define DCA2_TAG_MAP_BYTE4 0x82 + +/* verify if tag map matches expected values */ +static inline int dca2_tag_map_valid(u8 *tag_map) +{ + return ((tag_map[0] == DCA2_TAG_MAP_BYTE0) && + (tag_map[1] == DCA2_TAG_MAP_BYTE1) && + (tag_map[2] == DCA2_TAG_MAP_BYTE2) && + (tag_map[3] == DCA2_TAG_MAP_BYTE3) && + (tag_map[4] == DCA2_TAG_MAP_BYTE4)); +} + /* * "Legacy" DCA systems do not implement the DCA register set in the * I/OAT device. Software needs direct support for their tag mappings. @@ -452,6 +469,13 @@ struct dca_provider *ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase) ioatdca->tag_map[i] = 0; } + if (!dca2_tag_map_valid(ioatdca->tag_map)) { + dev_err(&pdev->dev, "APICID_TAG_MAP set incorrectly by BIOS, " + "disabling DCA\n"); + free_dca_provider(dca); + return NULL; + } + err = register_dca_provider(dca, &pdev->dev); if (err) { free_dca_provider(dca); diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c index b3759c4..5905cd3 100644 --- a/drivers/dma/ioat_dma.c +++ b/drivers/dma/ioat_dma.c @@ -1,6 +1,6 @@ /* * Intel I/OAT DMA Linux driver - * Copyright(c) 2004 - 2007 Intel Corporation. + * Copyright(c) 2004 - 2009 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -189,11 +189,13 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device) ioat_chan->xfercap = xfercap; ioat_chan->desccount = 0; INIT_DELAYED_WORK(&ioat_chan->work, ioat_dma_chan_reset_part2); - if (ioat_chan->device->version != IOAT_VER_1_2) { - writel(IOAT_DCACTRL_CMPL_WRITE_ENABLE - | IOAT_DMA_DCA_ANY_CPU, - ioat_chan->reg_base + IOAT_DCACTRL_OFFSET); - } + if (ioat_chan->device->version == IOAT_VER_2_0) + writel(IOAT_DCACTRL_CMPL_WRITE_ENABLE | + IOAT_DMA_DCA_ANY_CPU, + ioat_chan->reg_base + IOAT_DCACTRL_OFFSET); + else if (ioat_chan->device->version == IOAT_VER_3_0) + writel(IOAT_DMA_DCA_ANY_CPU, + ioat_chan->reg_base + IOAT_DCACTRL_OFFSET); spin_lock_init(&ioat_chan->cleanup_lock); spin_lock_init(&ioat_chan->desc_lock); INIT_LIST_HEAD(&ioat_chan->free_desc); @@ -1169,9 +1171,8 @@ static void ioat_dma_memcpy_cleanup(struct ioat_dma_chan *ioat_chan) * up if the client is done with the descriptor */ if (async_tx_test_ack(&desc->async_tx)) { - list_del(&desc->node); - list_add_tail(&desc->node, - &ioat_chan->free_desc); + list_move_tail(&desc->node, + &ioat_chan->free_desc); } else desc->async_tx.cookie = 0; } else { @@ -1362,6 +1363,7 @@ static int ioat_dma_self_test(struct ioatdma_device *device) dma_cookie_t cookie; int err = 0; struct completion cmp; + unsigned long tmo; src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL); if (!src) @@ -1413,9 +1415,10 @@ static int ioat_dma_self_test(struct ioatdma_device *device) } device->common.device_issue_pending(dma_chan); - wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000)); + tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000)); - if (device->common.device_is_tx_complete(dma_chan, cookie, NULL, NULL) + if (tmo == 0 || + device->common.device_is_tx_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) { dev_err(&device->pdev->dev, "Self-test copy timed out, disabling\n"); @@ -1657,6 +1660,13 @@ struct ioatdma_device *ioat_dma_probe(struct pci_dev *pdev, " %d channels, device version 0x%02x, driver version %s\n", device->common.chancnt, device->version, IOAT_DMA_VERSION); + if (!device->common.chancnt) { + dev_err(&device->pdev->dev, + "Intel(R) I/OAT DMA Engine problem found: " + "zero channels detected\n"); + goto err_setup_interrupts; + } + err = ioat_dma_setup_interrupts(device); if (err) goto err_setup_interrupts; @@ -1696,6 +1706,9 @@ void ioat_dma_remove(struct ioatdma_device *device) struct dma_chan *chan, *_chan; struct ioat_dma_chan *ioat_chan; + if (device->version != IOAT_VER_3_0) + cancel_delayed_work(&device->work); + ioat_dma_remove_interrupts(device); dma_async_device_unregister(&device->common); @@ -1707,10 +1720,6 @@ void ioat_dma_remove(struct ioatdma_device *device) pci_release_regions(device->pdev); pci_disable_device(device->pdev); - if (device->version != IOAT_VER_3_0) { - cancel_delayed_work(&device->work); - } - list_for_each_entry_safe(chan, _chan, &device->common.channels, device_node) { ioat_chan = to_ioat_chan(chan); diff --git a/drivers/dma/ioatdma.h b/drivers/dma/ioatdma.h index a3306d0..a52ff4b 100644 --- a/drivers/dma/ioatdma.h +++ b/drivers/dma/ioatdma.h @@ -1,5 +1,5 @@ /* - * Copyright(c) 2004 - 2007 Intel Corporation. All rights reserved. + * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved. * * 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 @@ -29,7 +29,7 @@ #include <linux/pci_ids.h> #include <net/tcp.h> -#define IOAT_DMA_VERSION "3.30" +#define IOAT_DMA_VERSION "3.64" enum ioat_interrupt { none = 0, @@ -135,12 +135,14 @@ static inline void ioat_set_tcp_copy_break(struct ioatdma_device *dev) #ifdef CONFIG_NET_DMA switch (dev->version) { case IOAT_VER_1_2: - case IOAT_VER_3_0: sysctl_tcp_dma_copybreak = 4096; break; case IOAT_VER_2_0: sysctl_tcp_dma_copybreak = 2048; break; + case IOAT_VER_3_0: + sysctl_tcp_dma_copybreak = 262144; + break; } #endif } diff --git a/drivers/dma/ioatdma_hw.h b/drivers/dma/ioatdma_hw.h index f1ae2c7..afa57ee 100644 --- a/drivers/dma/ioatdma_hw.h +++ b/drivers/dma/ioatdma_hw.h @@ -1,5 +1,5 @@ /* - * Copyright(c) 2004 - 2007 Intel Corporation. All rights reserved. + * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved. * * 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 diff --git a/drivers/dma/ioatdma_registers.h b/drivers/dma/ioatdma_registers.h index 827cb50..49bc277 100644 --- a/drivers/dma/ioatdma_registers.h +++ b/drivers/dma/ioatdma_registers.h @@ -1,5 +1,5 @@ /* - * Copyright(c) 2004 - 2007 Intel Corporation. All rights reserved. + * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved. * * 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 diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c index 647374a..16adbe6 100644 --- a/drivers/dma/iop-adma.c +++ b/drivers/dma/iop-adma.c @@ -928,19 +928,19 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device) for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) { xor_srcs[src_idx] = alloc_page(GFP_KERNEL); - if (!xor_srcs[src_idx]) - while (src_idx--) { + if (!xor_srcs[src_idx]) { + while (src_idx--) __free_page(xor_srcs[src_idx]); - return -ENOMEM; - } + return -ENOMEM; + } } dest = alloc_page(GFP_KERNEL); - if (!dest) - while (src_idx--) { + if (!dest) { + while (src_idx--) __free_page(xor_srcs[src_idx]); - return -ENOMEM; - } + return -ENOMEM; + } /* Fill in src buffers */ for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) { diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index 1f154d0..ae50a9d 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -729,7 +729,7 @@ static int ipu_init_channel_buffer(struct idmac_channel *ichan, ichan->status = IPU_CHANNEL_READY; - spin_unlock_irqrestore(ipu->lock, flags); + spin_unlock_irqrestore(&ipu->lock, flags); return 0; } diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 5d5d5b3..cb7f26f 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -1019,19 +1019,19 @@ mv_xor_xor_self_test(struct mv_xor_device *device) for (src_idx = 0; src_idx < MV_XOR_NUM_SRC_TEST; src_idx++) { xor_srcs[src_idx] = alloc_page(GFP_KERNEL); - if (!xor_srcs[src_idx]) - while (src_idx--) { + if (!xor_srcs[src_idx]) { + while (src_idx--) __free_page(xor_srcs[src_idx]); - return -ENOMEM; - } + return -ENOMEM; + } } dest = alloc_page(GFP_KERNEL); - if (!dest) - while (src_idx--) { + if (!dest) { + while (src_idx--) __free_page(xor_srcs[src_idx]); - return -ENOMEM; - } + return -ENOMEM; + } /* Fill in src buffers */ for (src_idx = 0; src_idx < MV_XOR_NUM_SRC_TEST; src_idx++) { diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index e072903..5ea3bfa 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -721,6 +721,11 @@ config BLK_DEV_IDE_TX4939 depends on SOC_TX4939 select BLK_DEV_IDEDMA_SFF +config BLK_DEV_IDE_AT91 + tristate "Atmel AT91 (SAM9, CAP9, AT572D940HF) IDE support" + depends on ARM && ARCH_AT91 && !ARCH_AT91RM9200 && !ARCH_AT91X40 + select IDE_TIMINGS + config IDE_ARM tristate "ARM IDE support" depends on ARM && (ARCH_RPC || ARCH_SHARK) diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index d0e3d7d..1c326d9 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -116,3 +116,4 @@ obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o obj-$(CONFIG_BLK_DEV_IDE_TX4938) += tx4938ide.o obj-$(CONFIG_BLK_DEV_IDE_TX4939) += tx4939ide.o +obj-$(CONFIG_BLK_DEV_IDE_AT91) += at91_ide.o diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c new file mode 100644 index 0000000..1bb50f4 --- /dev/null +++ b/drivers/ide/at91_ide.c @@ -0,0 +1,467 @@ +/* + * IDE host driver for AT91 (SAM9, CAP9, AT572D940HF) Static Memory Controller + * with Compact Flash True IDE logic + * + * Copyright (c) 2008, 2009 Kelvatek Ltd. + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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/version.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/ide.h> +#include <linux/platform_device.h> + +#include <mach/board.h> +#include <mach/gpio.h> +#include <mach/at91sam9263.h> +#include <mach/at91sam9_smc.h> +#include <mach/at91sam9263_matrix.h> + +#define DRV_NAME "at91_ide" + +#define perr(fmt, args...) pr_err(DRV_NAME ": " fmt, ##args) +#define pdbg(fmt, args...) pr_debug("%s " fmt, __func__, ##args) + +/* + * Access to IDE device is possible through EBI Static Memory Controller + * with Compact Flash logic. For details see EBI and SMC datasheet sections + * of any microcontroller from AT91SAM9 family. + * + * Within SMC chip select address space, lines A[23:21] distinguish Compact + * Flash modes (I/O, common memory, attribute memory, True IDE). IDE modes are: + * 0x00c0000 - True IDE + * 0x00e0000 - Alternate True IDE (Alt Status Register) + * + * On True IDE mode Task File and Data Register are mapped at the same address. + * To distinguish access between these two different bus data width is used: + * 8Bit for Task File, 16Bit for Data I/O. + * + * After initialization we do 8/16 bit flipping (changes in SMC MODE register) + * only inside IDE callback routines which are serialized by IDE layer, + * so no additional locking needed. + */ + +#define TASK_FILE 0x00c00000 +#define ALT_MODE 0x00e00000 +#define REGS_SIZE 8 + +#define enter_16bit(cs, mode) do { \ + mode = at91_sys_read(AT91_SMC_MODE(cs)); \ + at91_sys_write(AT91_SMC_MODE(cs), mode | AT91_SMC_DBW_16); \ +} while (0) + +#define leave_16bit(cs, mode) at91_sys_write(AT91_SMC_MODE(cs), mode); + +static void set_smc_timings(const u8 chipselect, const u16 cycle, + const u16 setup, const u16 pulse, + const u16 data_float, int use_iordy) +{ + unsigned long mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_BAT_SELECT; + + /* disable or enable waiting for IORDY signal */ + if (use_iordy) + mode |= AT91_SMC_EXNWMODE_READY; + + /* add data float cycles if needed */ + if (data_float) + mode |= AT91_SMC_TDF_(data_float); + + at91_sys_write(AT91_SMC_MODE(chipselect), mode); + + /* setup timings in SMC */ + at91_sys_write(AT91_SMC_SETUP(chipselect), AT91_SMC_NWESETUP_(setup) | + AT91_SMC_NCS_WRSETUP_(0) | + AT91_SMC_NRDSETUP_(setup) | + AT91_SMC_NCS_RDSETUP_(0)); + at91_sys_write(AT91_SMC_PULSE(chipselect), AT91_SMC_NWEPULSE_(pulse) | + AT91_SMC_NCS_WRPULSE_(cycle) | + AT91_SMC_NRDPULSE_(pulse) | + AT91_SMC_NCS_RDPULSE_(cycle)); + at91_sys_write(AT91_SMC_CYCLE(chipselect), AT91_SMC_NWECYCLE_(cycle) | + AT91_SMC_NRDCYCLE_(cycle)); +} + +static unsigned int calc_mck_cycles(unsigned int ns, unsigned int mck_hz) +{ + u64 tmp = ns; + + tmp *= mck_hz; + tmp += 1000*1000*1000 - 1; /* round up */ + do_div(tmp, 1000*1000*1000); + return (unsigned int) tmp; +} + +static void apply_timings(const u8 chipselect, const u8 pio, + const struct ide_timing *timing, int use_iordy) +{ + unsigned int t0, t1, t2, t6z; + unsigned int cycle, setup, pulse, data_float; + unsigned int mck_hz; + struct clk *mck; + + /* see table 22 of Compact Flash standard 4.1 for the meaning, + * we do not stretch active (t2) time, so setup (t1) + hold time (th) + * assure at least minimal recovery (t2i) time */ + t0 = timing->cyc8b; + t1 = timing->setup; + t2 = timing->act8b; + t6z = (pio < 5) ? 30 : 20; + + pdbg("t0=%u t1=%u t2=%u t6z=%u\n", t0, t1, t2, t6z); + + mck = clk_get(NULL, "mck"); + BUG_ON(IS_ERR(mck)); + mck_hz = clk_get_rate(mck); + pdbg("mck_hz=%u\n", mck_hz); + + cycle = calc_mck_cycles(t0, mck_hz); + setup = calc_mck_cycles(t1, mck_hz); + pulse = calc_mck_cycles(t2, mck_hz); + data_float = calc_mck_cycles(t6z, mck_hz); + + pdbg("cycle=%u setup=%u pulse=%u data_float=%u\n", + cycle, setup, pulse, data_float); + + set_smc_timings(chipselect, cycle, setup, pulse, data_float, use_iordy); +} + +static void at91_ide_input_data(ide_drive_t *drive, struct request *rq, + void *buf, unsigned int len) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + u8 chipselect = hwif->select_data; + unsigned long mode; + + pdbg("cs %u buf %p len %d\n", chipselect, buf, len); + + len++; + + enter_16bit(chipselect, mode); + __ide_mm_insw((void __iomem *) io_ports->data_addr, buf, len / 2); + leave_16bit(chipselect, mode); +} + +static void at91_ide_output_data(ide_drive_t *drive, struct request *rq, + void *buf, unsigned int len) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + u8 chipselect = hwif->select_data; + unsigned long mode; + + pdbg("cs %u buf %p len %d\n", chipselect, buf, len); + + enter_16bit(chipselect, mode); + __ide_mm_outsw((void __iomem *) io_ports->data_addr, buf, len / 2); + leave_16bit(chipselect, mode); +} + +static u8 ide_mm_inb(unsigned long port) +{ + return readb((void __iomem *) port); +} + +static void ide_mm_outb(u8 value, unsigned long port) +{ + writeb(value, (void __iomem *) port); +} + +static void at91_ide_tf_load(ide_drive_t *drive, ide_task_t *task) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + struct ide_taskfile *tf = &task->tf; + u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF; + + if (task->tf_flags & IDE_TFLAG_FLAGGED) + HIHI = 0xFF; + + if (task->tf_flags & IDE_TFLAG_OUT_DATA) { + u16 data = (tf->hob_data << 8) | tf->data; + + at91_ide_output_data(drive, NULL, &data, 2); + } + + if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE) + ide_mm_outb(tf->hob_feature, io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT) + ide_mm_outb(tf->hob_nsect, io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL) + ide_mm_outb(tf->hob_lbal, io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM) + ide_mm_outb(tf->hob_lbam, io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH) + ide_mm_outb(tf->hob_lbah, io_ports->lbah_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_FEATURE) + ide_mm_outb(tf->feature, io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_OUT_NSECT) + ide_mm_outb(tf->nsect, io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAL) + ide_mm_outb(tf->lbal, io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAM) + ide_mm_outb(tf->lbam, io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAH) + ide_mm_outb(tf->lbah, io_ports->lbah_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) + ide_mm_outb((tf->device & HIHI) | drive->select, io_ports->device_addr); +} + +static void at91_ide_tf_read(ide_drive_t *drive, ide_task_t *task) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + struct ide_taskfile *tf = &task->tf; + + if (task->tf_flags & IDE_TFLAG_IN_DATA) { + u16 data; + + at91_ide_input_data(drive, NULL, &data, 2); + tf->data = data & 0xff; + tf->hob_data = (data >> 8) & 0xff; + } + + /* be sure we're looking at the low order bits */ + ide_mm_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); + + if (task->tf_flags & IDE_TFLAG_IN_FEATURE) + tf->feature = ide_mm_inb(io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_IN_NSECT) + tf->nsect = ide_mm_inb(io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAL) + tf->lbal = ide_mm_inb(io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAM) + tf->lbam = ide_mm_inb(io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAH) + tf->lbah = ide_mm_inb(io_ports->lbah_addr); + if (task->tf_flags & IDE_TFLAG_IN_DEVICE) + tf->device = ide_mm_inb(io_ports->device_addr); + + if (task->tf_flags & IDE_TFLAG_LBA48) { + ide_mm_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr); + + if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) + tf->hob_feature = ide_mm_inb(io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT) + tf->hob_nsect = ide_mm_inb(io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL) + tf->hob_lbal = ide_mm_inb(io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM) + tf->hob_lbam = ide_mm_inb(io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH) + tf->hob_lbah = ide_mm_inb(io_ports->lbah_addr); + } +} + +static void at91_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) +{ + struct ide_timing *timing; + u8 chipselect = drive->hwif->select_data; + int use_iordy = 0; + + pdbg("chipselect %u pio %u\n", chipselect, pio); + + timing = ide_timing_find_mode(XFER_PIO_0 + pio); + BUG_ON(!timing); + + if ((pio > 2 || ata_id_has_iordy(drive->id)) && + !(ata_id_is_cfa(drive->id) && pio > 4)) + use_iordy = 1; + + apply_timings(chipselect, pio, timing, use_iordy); +} + +static const struct ide_tp_ops at91_ide_tp_ops = { + .exec_command = ide_exec_command, + .read_status = ide_read_status, + .read_altstatus = ide_read_altstatus, + .set_irq = ide_set_irq, + + .tf_load = at91_ide_tf_load, + .tf_read = at91_ide_tf_read, + + .input_data = at91_ide_input_data, + .output_data = at91_ide_output_data, +}; + +static const struct ide_port_ops at91_ide_port_ops = { + .set_pio_mode = at91_ide_set_pio_mode, +}; + +static const struct ide_port_info at91_ide_port_info __initdata = { + .port_ops = &at91_ide_port_ops, + .tp_ops = &at91_ide_tp_ops, + .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA | IDE_HFLAG_SINGLE | + IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_UNMASK_IRQS, + .pio_mask = ATA_PIO5, +}; + +/* + * If interrupt is delivered through GPIO, IRQ are triggered on falling + * and rising edge of signal. Whereas IDE device request interrupt on high + * level (rising edge in our case). This mean we have fake interrupts, so + * we need to check interrupt pin and exit instantly from ISR when line + * is on low level. + */ + +irqreturn_t at91_irq_handler(int irq, void *dev_id) +{ + int ntries = 8; + int pin_val1, pin_val2; + + /* additional deglitch, line can be noisy in badly designed PCB */ + do { + pin_val1 = at91_get_gpio_value(irq); + pin_val2 = at91_get_gpio_value(irq); + } while (pin_val1 != pin_val2 && --ntries > 0); + + if (pin_val1 == 0 || ntries <= 0) + return IRQ_HANDLED; + + return ide_intr(irq, dev_id); +} + +static int __init at91_ide_probe(struct platform_device *pdev) +{ + int ret; + hw_regs_t hw; + hw_regs_t *hws[] = { &hw, NULL, NULL, NULL }; + struct ide_host *host; + struct resource *res; + unsigned long tf_base = 0, ctl_base = 0; + struct at91_cf_data *board = pdev->dev.platform_data; + + if (!board) + return -ENODEV; + + if (board->det_pin && at91_get_gpio_value(board->det_pin) != 0) { + perr("no device detected\n"); + return -ENODEV; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + perr("can't get memory resource\n"); + return -ENODEV; + } + + if (!devm_request_mem_region(&pdev->dev, res->start + TASK_FILE, + REGS_SIZE, "ide") || + !devm_request_mem_region(&pdev->dev, res->start + ALT_MODE, + REGS_SIZE, "alt")) { + perr("memory resources in use\n"); + return -EBUSY; + } + + pdbg("chipselect %u irq %u res %08lx\n", board->chipselect, + board->irq_pin, (unsigned long) res->start); + + tf_base = (unsigned long) devm_ioremap(&pdev->dev, res->start + TASK_FILE, + REGS_SIZE); + ctl_base = (unsigned long) devm_ioremap(&pdev->dev, res->start + ALT_MODE, + REGS_SIZE); + if (!tf_base || !ctl_base) { + perr("can't map memory regions\n"); + return -EBUSY; + } + + memset(&hw, 0, sizeof(hw)); + + if (board->flags & AT91_IDE_SWAP_A0_A2) { + /* workaround for stupid hardware bug */ + hw.io_ports.data_addr = tf_base + 0; + hw.io_ports.error_addr = tf_base + 4; + hw.io_ports.nsect_addr = tf_base + 2; + hw.io_ports.lbal_addr = tf_base + 6; + hw.io_ports.lbam_addr = tf_base + 1; + hw.io_ports.lbah_addr = tf_base + 5; + hw.io_ports.device_addr = tf_base + 3; + hw.io_ports.command_addr = tf_base + 7; + hw.io_ports.ctl_addr = ctl_base + 3; + } else + ide_std_init_ports(&hw, tf_base, ctl_base + 6); + + hw.irq = board->irq_pin; + hw.chipset = ide_generic; + hw.dev = &pdev->dev; + + host = ide_host_alloc(&at91_ide_port_info, hws); + if (!host) { + perr("failed to allocate ide host\n"); + return -ENOMEM; + } + + /* setup Static Memory Controller - PIO 0 as default */ + apply_timings(board->chipselect, 0, ide_timing_find_mode(XFER_PIO_0), 0); + + /* with GPIO interrupt we have to do quirks in handler */ + if (board->irq_pin >= PIN_BASE) + host->irq_handler = at91_irq_handler; + + host->ports[0]->select_data = board->chipselect; + + ret = ide_host_register(host, &at91_ide_port_info, hws); + if (ret) { + perr("failed to register ide host\n"); + goto err_free_host; + } + platform_set_drvdata(pdev, host); + return 0; + +err_free_host: + ide_host_free(host); + return ret; +} + +static int __exit at91_ide_remove(struct platform_device *pdev) +{ + struct ide_host *host = platform_get_drvdata(pdev); + + ide_host_remove(host); + return 0; +} + +static struct platform_driver at91_ide_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .remove = __exit_p(at91_ide_remove), +}; + +static int __init at91_ide_init(void) +{ + return platform_driver_probe(&at91_ide_driver, at91_ide_probe); +} + +static void __exit at91_ide_exit(void) +{ + platform_driver_unregister(&at91_ide_driver); +} + +module_init(at91_ide_init); +module_exit(at91_ide_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Stanislaw Gruszka <stf_xl@wp.pl>"); + diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c index 1146f42..1f86dcb 100644 --- a/drivers/ide/ide-disk_proc.c +++ b/drivers/ide/ide-disk_proc.c @@ -125,5 +125,5 @@ const struct ide_proc_devset ide_disk_settings[] = { IDE_PROC_DEVSET(multcount, 0, 16), IDE_PROC_DEVSET(nowerr, 0, 1), IDE_PROC_DEVSET(wcache, 0, 1), - { 0 }, + { NULL }, }; diff --git a/drivers/ide/ide-floppy_proc.c b/drivers/ide/ide-floppy_proc.c index 3ec762c..fcd4d81 100644 --- a/drivers/ide/ide-floppy_proc.c +++ b/drivers/ide/ide-floppy_proc.c @@ -29,5 +29,5 @@ const struct ide_proc_devset ide_floppy_settings[] = { IDE_PROC_DEVSET(bios_head, 0, 255), IDE_PROC_DEVSET(bios_sect, 0, 63), IDE_PROC_DEVSET(ticks, 0, 255), - { 0 }, + { NULL }, }; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 9ee51ad..a9a6c20 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -908,7 +908,7 @@ void ide_timer_expiry (unsigned long data) ide_drive_t *uninitialized_var(drive); ide_handler_t *handler; unsigned long flags; - unsigned long wait = -1; + int wait = -1; int plug_device = 0; spin_lock_irqsave(&hwif->lock, flags); @@ -1162,6 +1162,7 @@ out_early: return irq_ret; } +EXPORT_SYMBOL_GPL(ide_intr); /** * ide_do_drive_cmd - issue IDE special command diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 753b92e..b1892bd 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -315,6 +315,8 @@ void ide_output_data(ide_drive_t *drive, struct request *rq, void *buf, u8 io_32bit = drive->io_32bit; u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; + len++; + if (io_32bit) { unsigned long uninitialized_var(flags); diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index ce0818a..ee8e3e7 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -950,6 +950,7 @@ static int ide_port_setup_devices(ide_hwif_t *hwif) static int init_irq (ide_hwif_t *hwif) { struct ide_io_ports *io_ports = &hwif->io_ports; + irq_handler_t irq_handler; int sa = 0; mutex_lock(&ide_cfg_mtx); @@ -959,6 +960,10 @@ static int init_irq (ide_hwif_t *hwif) hwif->timer.function = &ide_timer_expiry; hwif->timer.data = (unsigned long)hwif; + irq_handler = hwif->host->irq_handler; + if (irq_handler == NULL) + irq_handler = ide_intr; + #if defined(__mc68000__) sa = IRQF_SHARED; #endif /* __mc68000__ */ @@ -969,7 +974,7 @@ static int init_irq (ide_hwif_t *hwif) if (io_ports->ctl_addr) hwif->tp_ops->set_irq(hwif, 1); - if (request_irq(hwif->irq, &ide_intr, sa, hwif->name, hwif)) + if (request_irq(hwif->irq, irq_handler, sa, hwif->name, hwif)) goto out_up; if (!hwif->rqsize) { diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 1d8978b..a7b9287 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -231,7 +231,7 @@ static const struct ide_proc_devset ide_generic_settings[] = { IDE_PROC_DEVSET(pio_mode, 0, 255), IDE_PROC_DEVSET(unmaskirq, 0, 1), IDE_PROC_DEVSET(using_dma, 0, 1), - { 0 }, + { NULL }, }; static void proc_ide_settings_warn(void) diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index bb450a7..4e6181c 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2166,7 +2166,7 @@ static const struct ide_proc_devset idetape_settings[] = { __IDE_PROC_DEVSET(speed, 0, 0xffff, NULL, NULL), __IDE_PROC_DEVSET(tdsc, IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX, mulf_tdsc, divf_tdsc), - { 0 }, + { NULL }, }; #endif diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 9c50e6f..34ce270 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -248,12 +248,15 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host, sg_init_one(&sg, data_buf, len); - /* - * The spec states that CSR and CID accesses have a timeout - * of 64 clock cycles. - */ - data.timeout_ns = 0; - data.timeout_clks = 64; + if (opcode == MMC_SEND_CSD || opcode == MMC_SEND_CID) { + /* + * The spec states that CSR and CID accesses have a timeout + * of 64 clock cycles. + */ + data.timeout_ns = 0; + data.timeout_clks = 64; + } else + mmc_set_data_timeout(&data, card); mmc_wait_for_req(host, &mrq); diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c index f0c2b7a..734d980 100644 --- a/drivers/watchdog/gef_wdt.c +++ b/drivers/watchdog/gef_wdt.c @@ -269,7 +269,7 @@ static int __devinit gef_wdt_probe(struct of_device *dev, bus_clk = 133; /* in MHz */ freq = fsl_get_sys_freq(); - if (freq > 0) + if (freq != -1) bus_clk = freq; /* Map devices registers into memory */ diff --git a/drivers/watchdog/ks8695_wdt.c b/drivers/watchdog/ks8695_wdt.c index 0b798fd..74c92d3 100644 --- a/drivers/watchdog/ks8695_wdt.c +++ b/drivers/watchdog/ks8695_wdt.c @@ -21,6 +21,7 @@ #include <linux/watchdog.h> #include <linux/io.h> #include <linux/uaccess.h> +#include <mach/timex.h> #include <mach/regs-timer.h> #define WDT_DEFAULT_TIME 5 /* seconds */ diff --git a/drivers/watchdog/orion5x_wdt.c b/drivers/watchdog/orion5x_wdt.c index 14a339f..b64ae1a 100644 --- a/drivers/watchdog/orion5x_wdt.c +++ b/drivers/watchdog/orion5x_wdt.c @@ -29,6 +29,7 @@ #define WDT_EN 0x0010 #define WDT_VAL (TIMER_VIRT_BASE + 0x0024) +#define ORION5X_TCLK 166666667 #define WDT_MAX_DURATION (0xffffffff / ORION5X_TCLK) #define WDT_IN_USE 0 #define WDT_OK_TO_CLOSE 1 diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c index 57027f4..f3553fa 100644 --- a/drivers/watchdog/rc32434_wdt.c +++ b/drivers/watchdog/rc32434_wdt.c @@ -34,104 +34,89 @@ #include <asm/time.h> #include <asm/mach-rc32434/integ.h> -#define MAX_TIMEOUT 20 -#define RC32434_WDT_INTERVAL (15 * HZ) - -#define VERSION "0.2" +#define VERSION "0.4" static struct { - struct completion stop; - int running; - struct timer_list timer; - int queue; - int default_ticks; unsigned long inuse; } rc32434_wdt_device; static struct integ __iomem *wdt_reg; -static int ticks = 100 * HZ; static int expect_close; -static int timeout; + +/* Board internal clock speed in Hz, + * the watchdog timer ticks at. */ +extern unsigned int idt_cpu_freq; + +/* translate wtcompare value to seconds and vice versa */ +#define WTCOMP2SEC(x) (x / idt_cpu_freq) +#define SEC2WTCOMP(x) (x * idt_cpu_freq) + +/* Use a default timeout of 20s. This should be + * safe for CPU clock speeds up to 400MHz, as + * ((2 ^ 32) - 1) / (400MHz / 2) = 21s. */ +#define WATCHDOG_TIMEOUT 20 + +static int timeout = WATCHDOG_TIMEOUT; static int nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, int, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); +/* apply or and nand masks to data read from addr and write back */ +#define SET_BITS(addr, or, nand) \ + writel((readl(&addr) | or) & ~nand, &addr) static void rc32434_wdt_start(void) { - u32 val; - - if (!rc32434_wdt_device.inuse) { - writel(0, &wdt_reg->wtcount); + u32 or, nand; - val = RC32434_ERR_WRE; - writel(readl(&wdt_reg->errcs) | val, &wdt_reg->errcs); + /* zero the counter before enabling */ + writel(0, &wdt_reg->wtcount); - val = RC32434_WTC_EN; - writel(readl(&wdt_reg->wtc) | val, &wdt_reg->wtc); - } - rc32434_wdt_device.running++; -} + /* don't generate a non-maskable interrupt, + * do a warm reset instead */ + nand = 1 << RC32434_ERR_WNE; + or = 1 << RC32434_ERR_WRE; -static void rc32434_wdt_stop(void) -{ - u32 val; + /* reset the ERRCS timeout bit in case it's set */ + nand |= 1 << RC32434_ERR_WTO; - if (rc32434_wdt_device.running) { + SET_BITS(wdt_reg->errcs, or, nand); - val = ~RC32434_WTC_EN; - writel(readl(&wdt_reg->wtc) & val, &wdt_reg->wtc); + /* reset WTC timeout bit and enable WDT */ + nand = 1 << RC32434_WTC_TO; + or = 1 << RC32434_WTC_EN; - val = ~RC32434_ERR_WRE; - writel(readl(&wdt_reg->errcs) & val, &wdt_reg->errcs); + SET_BITS(wdt_reg->wtc, or, nand); +} - rc32434_wdt_device.running = 0; - } +static void rc32434_wdt_stop(void) +{ + /* Disable WDT */ + SET_BITS(wdt_reg->wtc, 0, 1 << RC32434_WTC_EN); } -static void rc32434_wdt_set(int new_timeout) +static int rc32434_wdt_set(int new_timeout) { - u32 cmp = new_timeout * HZ; - u32 state, val; + int max_to = WTCOMP2SEC((u32)-1); + if (new_timeout < 0 || new_timeout > max_to) { + printk(KERN_ERR KBUILD_MODNAME + ": timeout value must be between 0 and %d", + max_to); + return -EINVAL; + } timeout = new_timeout; - /* - * store and disable WTC - */ - state = (u32)(readl(&wdt_reg->wtc) & RC32434_WTC_EN); - val = ~RC32434_WTC_EN; - writel(readl(&wdt_reg->wtc) & val, &wdt_reg->wtc); - - writel(0, &wdt_reg->wtcount); - writel(cmp, &wdt_reg->wtcompare); - - /* - * restore WTC - */ - - writel(readl(&wdt_reg->wtc) | state, &wdt_reg); -} + writel(SEC2WTCOMP(timeout), &wdt_reg->wtcompare); -static void rc32434_wdt_reset(void) -{ - ticks = rc32434_wdt_device.default_ticks; + return 0; } -static void rc32434_wdt_update(unsigned long unused) +static void rc32434_wdt_ping(void) { - if (rc32434_wdt_device.running) - ticks--; - writel(0, &wdt_reg->wtcount); - - if (rc32434_wdt_device.queue && ticks) - mod_timer(&rc32434_wdt_device.timer, - jiffies + RC32434_WDT_INTERVAL); - else - complete(&rc32434_wdt_device.stop); } static int rc32434_wdt_open(struct inode *inode, struct file *file) @@ -142,19 +127,23 @@ static int rc32434_wdt_open(struct inode *inode, struct file *file) if (nowayout) __module_get(THIS_MODULE); + rc32434_wdt_start(); + rc32434_wdt_ping(); + return nonseekable_open(inode, file); } static int rc32434_wdt_release(struct inode *inode, struct file *file) { - if (expect_close && nowayout == 0) { + if (expect_close == 42) { rc32434_wdt_stop(); printk(KERN_INFO KBUILD_MODNAME ": disabling watchdog timer\n"); module_put(THIS_MODULE); - } else + } else { printk(KERN_CRIT KBUILD_MODNAME ": device closed unexpectedly. WDT will not stop !\n"); - + rc32434_wdt_ping(); + } clear_bit(0, &rc32434_wdt_device.inuse); return 0; } @@ -174,10 +163,10 @@ static ssize_t rc32434_wdt_write(struct file *file, const char *data, if (get_user(c, data + i)) return -EFAULT; if (c == 'V') - expect_close = 1; + expect_close = 42; } } - rc32434_wdt_update(0); + rc32434_wdt_ping(); return len; } return 0; @@ -197,11 +186,11 @@ static long rc32434_wdt_ioctl(struct file *file, unsigned int cmd, }; switch (cmd) { case WDIOC_KEEPALIVE: - rc32434_wdt_reset(); + rc32434_wdt_ping(); break; case WDIOC_GETSTATUS: case WDIOC_GETBOOTSTATUS: - value = readl(&wdt_reg->wtcount); + value = 0; if (copy_to_user(argp, &value, sizeof(int))) return -EFAULT; break; @@ -218,6 +207,7 @@ static long rc32434_wdt_ioctl(struct file *file, unsigned int cmd, break; case WDIOS_DISABLECARD: rc32434_wdt_stop(); + break; default: return -EINVAL; } @@ -225,11 +215,9 @@ static long rc32434_wdt_ioctl(struct file *file, unsigned int cmd, case WDIOC_SETTIMEOUT: if (copy_from_user(&new_timeout, argp, sizeof(int))) return -EFAULT; - if (new_timeout < 1) + if (rc32434_wdt_set(new_timeout)) return -EINVAL; - if (new_timeout > MAX_TIMEOUT) - return -EINVAL; - rc32434_wdt_set(new_timeout); + /* Fall through */ case WDIOC_GETTIMEOUT: return copy_to_user(argp, &timeout, sizeof(int)); default: @@ -254,15 +242,15 @@ static struct miscdevice rc32434_wdt_miscdev = { .fops = &rc32434_wdt_fops, }; -static char banner[] = KERN_INFO KBUILD_MODNAME +static char banner[] __devinitdata = KERN_INFO KBUILD_MODNAME ": Watchdog Timer version " VERSION ", timer margin: %d sec\n"; -static int rc32434_wdt_probe(struct platform_device *pdev) +static int __devinit rc32434_wdt_probe(struct platform_device *pdev) { int ret; struct resource *r; - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rb500_wdt_res"); + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rb532_wdt_res"); if (!r) { printk(KERN_ERR KBUILD_MODNAME "failed to retrieve resources\n"); @@ -277,24 +265,12 @@ static int rc32434_wdt_probe(struct platform_device *pdev) } ret = misc_register(&rc32434_wdt_miscdev); - if (ret < 0) { printk(KERN_ERR KBUILD_MODNAME "failed to register watchdog device\n"); goto unmap; } - init_completion(&rc32434_wdt_device.stop); - rc32434_wdt_device.queue = 0; - - clear_bit(0, &rc32434_wdt_device.inuse); - - setup_timer(&rc32434_wdt_device.timer, rc32434_wdt_update, 0L); - - rc32434_wdt_device.default_ticks = ticks; - - rc32434_wdt_start(); - printk(banner, timeout); return 0; @@ -304,23 +280,17 @@ unmap: return ret; } -static int rc32434_wdt_remove(struct platform_device *pdev) +static int __devexit rc32434_wdt_remove(struct platform_device *pdev) { - if (rc32434_wdt_device.queue) { - rc32434_wdt_device.queue = 0; - wait_for_completion(&rc32434_wdt_device.stop); - } misc_deregister(&rc32434_wdt_miscdev); - iounmap(wdt_reg); - return 0; } static struct platform_driver rc32434_wdt = { .probe = rc32434_wdt_probe, - .remove = rc32434_wdt_remove, - .driver = { + .remove = __devexit_p(rc32434_wdt_remove), + .driver = { .name = "rc32434_wdt", } }; diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index f18a919..627f8c3 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -188,7 +188,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) struct ext4_group_desc *gdp; struct ext4_super_block *es; struct ext4_sb_info *sbi; - int fatal = 0, err, count; + int fatal = 0, err, count, cleared; ext4_group_t flex_group; if (atomic_read(&inode->i_count) > 1) { @@ -248,8 +248,10 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) goto error_return; /* Ok, now we can actually update the inode bitmaps.. */ - if (!ext4_clear_bit_atomic(sb_bgl_lock(sbi, block_group), - bit, bitmap_bh->b_data)) + spin_lock(sb_bgl_lock(sbi, block_group)); + cleared = ext4_clear_bit(bit, bitmap_bh->b_data); + spin_unlock(sb_bgl_lock(sbi, block_group)); + if (!cleared) ext4_error(sb, "ext4_free_inode", "bit already cleared for inode %lu", ino); else { diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c index c837dfc..321728f 100644 --- a/fs/squashfs/block.c +++ b/fs/squashfs/block.c @@ -80,7 +80,7 @@ static struct buffer_head *get_block_length(struct super_block *sb, * generated a larger block - this does occasionally happen with zlib). */ int squashfs_read_data(struct super_block *sb, void **buffer, u64 index, - int length, u64 *next_index, int srclength) + int length, u64 *next_index, int srclength, int pages) { struct squashfs_sb_info *msblk = sb->s_fs_info; struct buffer_head **bh; @@ -185,6 +185,14 @@ int squashfs_read_data(struct super_block *sb, void **buffer, u64 index, } if (msblk->stream.avail_out == 0) { + if (page == pages) { + ERROR("zlib_inflate tried to " + "decompress too much data, " + "expected %d bytes. Zlib " + "data probably corrupt\n", + srclength); + goto release_mutex; + } msblk->stream.next_out = buffer[page++]; msblk->stream.avail_out = PAGE_CACHE_SIZE; } @@ -268,7 +276,8 @@ block_release: put_bh(bh[k]); read_failure: - ERROR("sb_bread failed reading block 0x%llx\n", cur_index); + ERROR("squashfs_read_data failed to read block 0x%llx\n", + (unsigned long long) index); kfree(bh); return -EIO; } diff --git a/fs/squashfs/cache.c b/fs/squashfs/cache.c index f29eda1..1c4739e 100644 --- a/fs/squashfs/cache.c +++ b/fs/squashfs/cache.c @@ -119,7 +119,7 @@ struct squashfs_cache_entry *squashfs_cache_get(struct super_block *sb, entry->length = squashfs_read_data(sb, entry->data, block, length, &entry->next_index, - cache->block_size); + cache->block_size, cache->pages); spin_lock(&cache->lock); @@ -406,7 +406,7 @@ int squashfs_read_table(struct super_block *sb, void *buffer, u64 block, for (i = 0; i < pages; i++, buffer += PAGE_CACHE_SIZE) data[i] = buffer; res = squashfs_read_data(sb, data, block, length | - SQUASHFS_COMPRESSED_BIT_BLOCK, NULL, length); + SQUASHFS_COMPRESSED_BIT_BLOCK, NULL, length, pages); kfree(data); return res; } diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c index 7a63398..9101dbd 100644 --- a/fs/squashfs/inode.c +++ b/fs/squashfs/inode.c @@ -133,7 +133,8 @@ int squashfs_read_inode(struct inode *inode, long long ino) type = le16_to_cpu(sqshb_ino->inode_type); switch (type) { case SQUASHFS_REG_TYPE: { - unsigned int frag_offset, frag_size, frag; + unsigned int frag_offset, frag; + int frag_size; u64 frag_blk; struct squashfs_reg_inode *sqsh_ino = &squashfs_ino.reg; @@ -175,7 +176,8 @@ int squashfs_read_inode(struct inode *inode, long long ino) break; } case SQUASHFS_LREG_TYPE: { - unsigned int frag_offset, frag_size, frag; + unsigned int frag_offset, frag; + int frag_size; u64 frag_blk; struct squashfs_lreg_inode *sqsh_ino = &squashfs_ino.lreg; diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h index 6b2515d..0e9feb6 100644 --- a/fs/squashfs/squashfs.h +++ b/fs/squashfs/squashfs.h @@ -34,7 +34,7 @@ static inline struct squashfs_inode_info *squashfs_i(struct inode *inode) /* block.c */ extern int squashfs_read_data(struct super_block *, void **, u64, int, u64 *, - int); + int, int); /* cache.c */ extern struct squashfs_cache *squashfs_cache_init(char *, int, int); diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c index 071df5b..681ec0d 100644 --- a/fs/squashfs/super.c +++ b/fs/squashfs/super.c @@ -389,7 +389,7 @@ static int __init init_squashfs_fs(void) return err; } - printk(KERN_INFO "squashfs: version 4.0 (2009/01/03) " + printk(KERN_INFO "squashfs: version 4.0 (2009/01/31) " "Phillip Lougher\n"); return 0; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 89997df..0e0f39b 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -98,6 +98,7 @@ VMLINUX_SYMBOL(__stop___tracepoints) = .; \ LIKELY_PROFILE() \ BRANCH_PROFILE() \ + TRACE_PRINTKS() \ FTRACE_EVENTS() #define RO_DATA(align) \ @@ -108,7 +109,6 @@ *(__vermagic) /* Kernel version magic */ \ *(__markers_strings) /* Markers: strings */ \ *(__tracepoints_strings)/* Tracepoints: strings */ \ - TRACE_PRINTKS() \ } \ \ .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \ diff --git a/include/linux/ata.h b/include/linux/ata.h index 08a86d5..9a061ac 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -89,6 +89,8 @@ enum { ATA_ID_DLF = 128, ATA_ID_CSFO = 129, ATA_ID_CFA_POWER = 160, + ATA_ID_CFA_KEY_MGMT = 162, + ATA_ID_CFA_MODES = 163, ATA_ID_ROT_SPEED = 217, ATA_ID_PIO4 = (1 << 1), diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index f041384..1956c8d 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -97,7 +97,6 @@ typedef struct { DECLARE_BITMAP(bits, DMA_TX_TYPE_END); } dma_cap_mask_t; /** * struct dma_chan_percpu - the per-CPU part of struct dma_chan - * @refcount: local_t used for open-coded "bigref" counting * @memcpy_count: transaction counter * @bytes_transferred: byte counter */ @@ -114,9 +113,6 @@ struct dma_chan_percpu { * @cookie: last cookie value returned to client * @chan_id: channel ID for sysfs * @dev: class device for sysfs - * @refcount: kref, used in "bigref" slow-mode - * @slow_ref: indicates that the DMA channel is free - * @rcu: the DMA channel's RCU head * @device_node: used to add this to the device chan list * @local: per-cpu pointer to a struct dma_chan_percpu * @client-count: how many clients are using this channel @@ -213,8 +209,6 @@ struct dma_async_tx_descriptor { * @global_node: list_head for global dma_device_list * @cap_mask: one or more dma_capability flags * @max_xor: maximum number of xor sources, 0 if no capability - * @refcount: reference count - * @done: IO completion struct * @dev_id: unique device ID * @dev: struct device reference for dma mapping api * @device_alloc_chan_resources: allocate resources and return the @@ -227,6 +221,7 @@ struct dma_async_tx_descriptor { * @device_prep_dma_interrupt: prepares an end of chain interrupt operation * @device_prep_slave_sg: prepares a slave dma operation * @device_terminate_all: terminate all pending operations + * @device_is_tx_complete: poll for transaction completion * @device_issue_pending: push pending transactions to hardware */ struct dma_device { diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h index c37e924..ed21bd3 100644 --- a/include/linux/hdreg.h +++ b/include/linux/hdreg.h @@ -511,7 +511,6 @@ struct hd_driveid { unsigned short words69_70[2]; /* reserved words 69-70 * future command overlap and queuing */ - /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */ unsigned short words71_74[4]; /* reserved words 71-74 * for IDENTIFY PACKET DEVICE command */ diff --git a/include/linux/ide.h b/include/linux/ide.h index fe235b6..e0cedfe 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -866,6 +866,7 @@ struct ide_host { unsigned int n_ports; struct device *dev[2]; unsigned int (*init_chipset)(struct pci_dev *); + irq_handler_t irq_handler; unsigned long host_flags; void *host_priv; ide_hwif_t *cur_port; /* for hosts requiring serialization */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 4e726b9..7742798 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -454,7 +454,10 @@ do { \ do { \ static const char *trace_printk_fmt \ __attribute__((section("__trace_printk_fmt"))); \ - trace_printk_fmt = fmt; \ + \ + if (!trace_printk_fmt) \ + trace_printk_fmt = fmt; \ + \ __trace_printk_check_format(fmt, ##args); \ __trace_printk(_THIS_IP_, trace_printk_fmt, ##args); \ } while (0) @@ -467,7 +470,10 @@ __trace_printk(unsigned long ip, const char *fmt, ...) do { \ static const char *trace_printk_fmt \ __attribute__((section("__trace_printk_fmt"))); \ - trace_printk_fmt = fmt; \ + \ + if (!trace_printk_fmt) \ + trace_printk_fmt = fmt; \ + \ __ftrace_vprintk(_THIS_IP_, trace_printk_fmt, vargs); \ } while (0) diff --git a/include/linux/libata.h b/include/linux/libata.h index 5d87bc0..dc18b87 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -275,7 +275,7 @@ enum { * advised to wait only for the following duration before * doing SRST. */ - ATA_TMOUT_PMP_SRST_WAIT = 1000, + ATA_TMOUT_PMP_SRST_WAIT = 5000, /* ATA bus states */ BUS_UNKNOWN = 0, @@ -530,6 +530,7 @@ struct ata_queued_cmd { unsigned long flags; /* ATA_QCFLAG_xxx */ unsigned int tag; unsigned int n_elem; + unsigned int orig_n_elem; int dma_dir; @@ -750,7 +751,8 @@ struct ata_port { acpi_handle acpi_handle; struct ata_acpi_gtm __acpi_init_gtm; /* use ata_acpi_init_gtm() */ #endif - u8 sector_buf[ATA_SECT_SIZE]; /* owned by EH */ + /* owned by EH */ + u8 sector_buf[ATA_SECT_SIZE] ____cacheline_aligned; }; /* The following initializer overrides a method to NULL whether one of diff --git a/include/linux/serio.h b/include/linux/serio.h index 1bcb357..e0417e4 100644 --- a/include/linux/serio.h +++ b/include/linux/serio.h @@ -212,7 +212,7 @@ static inline void serio_unpin_driver(struct serio *serio) #define SERIO_FUJITSU 0x35 #define SERIO_ZHENHUA 0x36 #define SERIO_INEXIO 0x37 -#define SERIO_TOUCHIT213 0x37 +#define SERIO_TOUCHIT213 0x38 #define SERIO_W8001 0x39 #endif diff --git a/kernel/softirq.c b/kernel/softirq.c index 98dd68e..bbf6d64 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -637,6 +637,7 @@ static int ksoftirqd(void * __bind_cpu) preempt_enable_no_resched(); cond_resched(); preempt_disable(); + rcu_qsctr_inc((long)__bind_cpu); } preempt_enable(); set_current_state(TASK_INTERRUPTIBLE); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index cc94f86..e5b5619 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1466,11 +1466,11 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter) total = entries + ring_buffer_overruns(iter->tr->buffer); - seq_printf(m, "%s latency trace v1.1.5 on %s\n", + seq_printf(m, "# %s latency trace v1.1.5 on %s\n", name, UTS_RELEASE); - seq_puts(m, "-----------------------------------" + seq_puts(m, "# -----------------------------------" "---------------------------------\n"); - seq_printf(m, " latency: %lu us, #%lu/%lu, CPU#%d |" + seq_printf(m, "# latency: %lu us, #%lu/%lu, CPU#%d |" " (M:%s VP:%d, KP:%d, SP:%d HP:%d", nsecs_to_usecs(data->saved_latency), entries, @@ -1492,24 +1492,24 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter) #else seq_puts(m, ")\n"); #endif - seq_puts(m, " -----------------\n"); - seq_printf(m, " | task: %.16s-%d " + seq_puts(m, "# -----------------\n"); + seq_printf(m, "# | task: %.16s-%d " "(uid:%d nice:%ld policy:%ld rt_prio:%ld)\n", data->comm, data->pid, data->uid, data->nice, data->policy, data->rt_priority); - seq_puts(m, " -----------------\n"); + seq_puts(m, "# -----------------\n"); if (data->critical_start) { - seq_puts(m, " => started at: "); + seq_puts(m, "# => started at: "); seq_print_ip_sym(&iter->seq, data->critical_start, sym_flags); trace_print_seq(m, &iter->seq); - seq_puts(m, "\n => ended at: "); + seq_puts(m, "\n# => ended at: "); seq_print_ip_sym(&iter->seq, data->critical_end, sym_flags); trace_print_seq(m, &iter->seq); - seq_puts(m, "\n"); + seq_puts(m, "#\n"); } - seq_puts(m, "\n"); + seq_puts(m, "#\n"); } static void test_cpu_buff_start(struct trace_iterator *iter) diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c index 4664990..46c8dc8 100644 --- a/kernel/trace/trace_workqueue.c +++ b/kernel/trace/trace_workqueue.c @@ -99,8 +99,6 @@ static void probe_workqueue_creation(struct task_struct *wq_thread, int cpu) pr_warning("trace_workqueue: not enough memory\n"); return; } - tracing_record_cmdline(wq_thread); - INIT_LIST_HEAD(&cws->list); cws->cpu = cpu; @@ -195,11 +193,12 @@ static int workqueue_stat_show(struct seq_file *s, void *p) struct cpu_workqueue_stats *cws = p; unsigned long flags; int cpu = cws->cpu; + struct task_struct *tsk = find_task_by_vpid(cws->pid); seq_printf(s, "%3d %6d %6u %s\n", cws->cpu, atomic_read(&cws->inserted), cws->executed, - trace_find_cmdline(cws->pid)); + tsk ? tsk->comm : "<...>"); spin_lock_irqsave(&workqueue_cpu_stat(cpu)->lock, flags); if (&cws->list == workqueue_cpu_stat(cpu)->list.next) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 0278bc0..e7ded13 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1498,58 +1498,31 @@ static int smack_socket_post_create(struct socket *sock, int family, * looks for host based access restrictions * * This version will only be appropriate for really small - * sets of single label hosts. Because of the masking - * it cannot shortcut out on the first match. There are - * numerious ways to address the problem, but none of them - * have been applied here. + * sets of single label hosts. * * Returns the label of the far end or NULL if it's not special. */ static char *smack_host_label(struct sockaddr_in *sip) { struct smk_netlbladdr *snp; - char *bestlabel = NULL; struct in_addr *siap = &sip->sin_addr; - struct in_addr *liap; - struct in_addr *miap; - struct in_addr bestmask; if (siap->s_addr == 0) return NULL; - bestmask.s_addr = 0; - for (snp = smack_netlbladdrs; snp != NULL; snp = snp->smk_next) { - liap = &snp->smk_host.sin_addr; - miap = &snp->smk_mask; - /* - * If the addresses match after applying the list entry mask - * the entry matches the address. If it doesn't move along to - * the next entry. - */ - if ((liap->s_addr & miap->s_addr) != - (siap->s_addr & miap->s_addr)) - continue; /* - * If the list entry mask identifies a single address - * it can't get any more specific. + * we break after finding the first match because + * the list is sorted from longest to shortest mask + * so we have found the most specific match */ - if (miap->s_addr == 0xffffffff) + if ((&snp->smk_host.sin_addr)->s_addr == + (siap->s_addr & (&snp->smk_mask)->s_addr)) { return snp->smk_label; - /* - * If the list entry mask is less specific than the best - * already found this entry is uninteresting. - */ - if ((miap->s_addr | bestmask.s_addr) == bestmask.s_addr) - continue; - /* - * This is better than any entry found so far. - */ - bestmask.s_addr = miap->s_addr; - bestlabel = snp->smk_label; + } } - return bestlabel; + return NULL; } /** diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 8e42800..51f0efc 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -650,10 +650,6 @@ static void *netlbladdr_seq_next(struct seq_file *s, void *v, loff_t *pos) return skp; } -/* -#define BEMASK 0x80000000 -*/ -#define BEMASK 0x00000001 #define BEBITS (sizeof(__be32) * 8) /* @@ -663,12 +659,10 @@ static int netlbladdr_seq_show(struct seq_file *s, void *v) { struct smk_netlbladdr *skp = (struct smk_netlbladdr *) v; unsigned char *hp = (char *) &skp->smk_host.sin_addr.s_addr; - __be32 bebits; - int maskn = 0; + int maskn; + u32 temp_mask = be32_to_cpu(skp->smk_mask.s_addr); - for (bebits = BEMASK; bebits != 0; maskn++, bebits <<= 1) - if ((skp->smk_mask.s_addr & bebits) == 0) - break; + for (maskn = 0; temp_mask; temp_mask <<= 1, maskn++); seq_printf(s, "%u.%u.%u.%u/%d %s\n", hp[0], hp[1], hp[2], hp[3], maskn, skp->smk_label); @@ -702,6 +696,42 @@ static int smk_open_netlbladdr(struct inode *inode, struct file *file) } /** + * smk_netlbladdr_insert + * @new : netlabel to insert + * + * This helper insert netlabel in the smack_netlbladdrs list + * sorted by netmask length (longest to smallest) + */ +static void smk_netlbladdr_insert(struct smk_netlbladdr *new) +{ + struct smk_netlbladdr *m; + + if (smack_netlbladdrs == NULL) { + smack_netlbladdrs = new; + return; + } + + /* the comparison '>' is a bit hacky, but works */ + if (new->smk_mask.s_addr > smack_netlbladdrs->smk_mask.s_addr) { + new->smk_next = smack_netlbladdrs; + smack_netlbladdrs = new; + return; + } + for (m = smack_netlbladdrs; m != NULL; m = m->smk_next) { + if (m->smk_next == NULL) { + m->smk_next = new; + return; + } + if (new->smk_mask.s_addr > m->smk_next->smk_mask.s_addr) { + new->smk_next = m->smk_next; + m->smk_next = new; + return; + } + } +} + + +/** * smk_write_netlbladdr - write() for /smack/netlabel * @filp: file pointer, not actually used * @buf: where to get the data from @@ -724,8 +754,9 @@ static ssize_t smk_write_netlbladdr(struct file *file, const char __user *buf, struct netlbl_audit audit_info; struct in_addr mask; unsigned int m; - __be32 bebits = BEMASK; + u32 mask_bits = (1<<31); __be32 nsa; + u32 temp_mask; /* * Must have privilege. @@ -761,10 +792,13 @@ static ssize_t smk_write_netlbladdr(struct file *file, const char __user *buf, if (sp == NULL) return -EINVAL; - for (mask.s_addr = 0; m > 0; m--) { - mask.s_addr |= bebits; - bebits <<= 1; + for (temp_mask = 0; m > 0; m--) { + temp_mask |= mask_bits; + mask_bits >>= 1; } + mask.s_addr = cpu_to_be32(temp_mask); + + newname.sin_addr.s_addr &= mask.s_addr; /* * Only allow one writer at a time. Writes should be * quite rare and small in any case. @@ -772,6 +806,7 @@ static ssize_t smk_write_netlbladdr(struct file *file, const char __user *buf, mutex_lock(&smk_netlbladdr_lock); nsa = newname.sin_addr.s_addr; + /* try to find if the prefix is already in the list */ for (skp = smack_netlbladdrs; skp != NULL; skp = skp->smk_next) if (skp->smk_host.sin_addr.s_addr == nsa && skp->smk_mask.s_addr == mask.s_addr) @@ -787,9 +822,8 @@ static ssize_t smk_write_netlbladdr(struct file *file, const char __user *buf, rc = 0; skp->smk_host.sin_addr.s_addr = newname.sin_addr.s_addr; skp->smk_mask.s_addr = mask.s_addr; - skp->smk_next = smack_netlbladdrs; skp->smk_label = sp; - smack_netlbladdrs = skp; + smk_netlbladdr_insert(skp); } } else { rc = netlbl_cfg_unlbl_static_del(&init_net, NULL, diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 3bc4276..6094344 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1207,7 +1207,7 @@ static const char *slave_vols[] = { "LFE Playback Volume", "Side Playback Volume", "Headphone Playback Volume", - "Headphone Playback Volume", + "Headphone2 Playback Volume", "Speaker Playback Volume", "External Speaker Playback Volume", "Speaker2 Playback Volume", @@ -1221,7 +1221,7 @@ static const char *slave_sws[] = { "LFE Playback Switch", "Side Playback Switch", "Headphone Playback Switch", - "Headphone Playback Switch", + "Headphone2 Playback Switch", "Speaker Playback Switch", "External Speaker Playback Switch", "Speaker2 Playback Switch", @@ -3516,6 +3516,7 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out if (! spec->autocfg.line_outs) return 0; /* can't find valid pin config */ +#if 0 /* FIXME: temporarily disabled */ /* If we have no real line-out pin and multiple hp-outs, HPs should * be set up as multi-channel outputs. */ @@ -3535,6 +3536,7 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out spec->autocfg.line_out_type = AUTO_PIN_HP_OUT; spec->autocfg.hp_outs = 0; } +#endif /* FIXME: temporarily disabled */ if (spec->autocfg.mono_out_pin) { int dir = get_wcaps(codec, spec->autocfg.mono_out_pin) & (AC_WCAP_OUT_AMP | AC_WCAP_IN_AMP); |
