diff options
Diffstat (limited to 'include/asm-blackfin')
31 files changed, 366 insertions, 130 deletions
diff --git a/include/asm-blackfin/bfin-global.h b/include/asm-blackfin/bfin-global.h index 39bdd86871c..6ae0619d769 100644 --- a/include/asm-blackfin/bfin-global.h +++ b/include/asm-blackfin/bfin-global.h @@ -51,7 +51,7 @@ extern unsigned long sclk_to_usecs(unsigned long sclk); extern unsigned long usecs_to_sclk(unsigned long usecs); extern void dump_bfin_process(struct pt_regs *regs); -extern void dump_bfin_mem(void *retaddr); +extern void dump_bfin_mem(struct pt_regs *regs); extern void dump_bfin_trace_buffer(void); extern int init_arch_irq(void); diff --git a/include/asm-blackfin/cplb-mpu.h b/include/asm-blackfin/cplb-mpu.h new file mode 100644 index 00000000000..75c67b99d60 --- /dev/null +++ b/include/asm-blackfin/cplb-mpu.h @@ -0,0 +1,61 @@ +/* + * File: include/asm-blackfin/cplbinit.h + * Based on: + * Author: + * + * Created: + * Description: + * + * 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 + */ +#ifndef __ASM_BFIN_CPLB_MPU_H +#define __ASM_BFIN_CPLB_MPU_H + +struct cplb_entry { + unsigned long data, addr; +}; + +struct mem_region { + unsigned long start, end; + unsigned long dcplb_data; + unsigned long icplb_data; +}; + +extern struct cplb_entry dcplb_tbl[MAX_CPLBS]; +extern struct cplb_entry icplb_tbl[MAX_CPLBS]; +extern int first_switched_icplb; +extern int first_mask_dcplb; +extern int first_switched_dcplb; + +extern int nr_dcplb_miss, nr_icplb_miss, nr_icplb_supv_miss, nr_dcplb_prot; +extern int nr_cplb_flush; + +extern int page_mask_order; +extern int page_mask_nelts; + +extern unsigned long *current_rwx_mask; + +extern void flush_switched_cplbs(void); +extern void set_mask_dcplbs(unsigned long *); + +extern void __noreturn panic_cplb_error(int seqstat, struct pt_regs *); + +#endif /* __ASM_BFIN_CPLB_MPU_H */ diff --git a/include/asm-blackfin/cplb.h b/include/asm-blackfin/cplb.h index 06828d77a58..654375c2b74 100644 --- a/include/asm-blackfin/cplb.h +++ b/include/asm-blackfin/cplb.h @@ -65,7 +65,11 @@ #define SIZE_1M 0x00100000 /* 1M */ #define SIZE_4M 0x00400000 /* 4M */ +#ifdef CONFIG_MPU +#define MAX_CPLBS 16 +#else #define MAX_CPLBS (16 * 2) +#endif #define ASYNC_MEMORY_CPLB_COVERAGE ((ASYNC_BANK0_SIZE + ASYNC_BANK1_SIZE + \ ASYNC_BANK2_SIZE + ASYNC_BANK3_SIZE) / SIZE_4M) diff --git a/include/asm-blackfin/cplbinit.h b/include/asm-blackfin/cplbinit.h index c4d0596e8e9..0eb1c1b685a 100644 --- a/include/asm-blackfin/cplbinit.h +++ b/include/asm-blackfin/cplbinit.h @@ -33,6 +33,12 @@ #include <asm/blackfin.h> #include <asm/cplb.h> +#ifdef CONFIG_MPU + +#include <asm/cplb-mpu.h> + +#else + #define INITIAL_T 0x1 #define SWITCH_T 0x2 #define I_CPLB 0x4 @@ -79,6 +85,8 @@ extern u_long ipdt_swapcount_table[]; extern u_long dpdt_swapcount_table[]; #endif +#endif /* CONFIG_MPU */ + extern unsigned long reserved_mem_dcache_on; extern unsigned long reserved_mem_icache_on; diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h index b469505af36..5abaa2cee8d 100644 --- a/include/asm-blackfin/dma.h +++ b/include/asm-blackfin/dma.h @@ -76,6 +76,9 @@ enum dma_chan_status { #define INTR_ON_BUF 2 #define INTR_ON_ROW 3 +#define DMA_NOSYNC_KEEP_DMA_BUF 0 +#define DMA_SYNC_RESTART 1 + struct dmasg { unsigned long next_desc_addr; unsigned long start_addr; @@ -157,7 +160,8 @@ void set_dma_y_count(unsigned int channel, unsigned short y_count); void set_dma_y_modify(unsigned int channel, short y_modify); void set_dma_config(unsigned int channel, unsigned short config); unsigned short set_bfin_dma_config(char direction, char flow_mode, - char intr_mode, char dma_mode, char width); + char intr_mode, char dma_mode, char width, + char syncmode); void set_dma_curr_addr(unsigned int channel, unsigned long addr); /* get curr status for polling */ diff --git a/include/asm-blackfin/gpio.h b/include/asm-blackfin/gpio.h index 33ce98ef7e0..d0426c10826 100644 --- a/include/asm-blackfin/gpio.h +++ b/include/asm-blackfin/gpio.h @@ -7,7 +7,7 @@ * Description: * * Modified: - * Copyright 2004-2006 Analog Devices Inc. + * Copyright 2004-2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -304,39 +304,39 @@ **************************************************************/ #ifndef BF548_FAMILY -void set_gpio_dir(unsigned short, unsigned short); -void set_gpio_inen(unsigned short, unsigned short); -void set_gpio_polar(unsigned short, unsigned short); -void set_gpio_edge(unsigned short, unsigned short); -void set_gpio_both(unsigned short, unsigned short); -void set_gpio_data(unsigned short, unsigned short); -void set_gpio_maska(unsigned short, unsigned short); -void set_gpio_maskb(unsigned short, unsigned short); -void set_gpio_toggle(unsigned short); -void set_gpiop_dir(unsigned short, unsigned short); -void set_gpiop_inen(unsigned short, unsigned short); -void set_gpiop_polar(unsigned short, unsigned short); -void set_gpiop_edge(unsigned short, unsigned short); -void set_gpiop_both(unsigned short, unsigned short); -void set_gpiop_data(unsigned short, unsigned short); -void set_gpiop_maska(unsigned short, unsigned short); -void set_gpiop_maskb(unsigned short, unsigned short); -unsigned short get_gpio_dir(unsigned short); -unsigned short get_gpio_inen(unsigned short); -unsigned short get_gpio_polar(unsigned short); -unsigned short get_gpio_edge(unsigned short); -unsigned short get_gpio_both(unsigned short); -unsigned short get_gpio_maska(unsigned short); -unsigned short get_gpio_maskb(unsigned short); -unsigned short get_gpio_data(unsigned short); -unsigned short get_gpiop_dir(unsigned short); -unsigned short get_gpiop_inen(unsigned short); -unsigned short get_gpiop_polar(unsigned short); -unsigned short get_gpiop_edge(unsigned short); -unsigned short get_gpiop_both(unsigned short); -unsigned short get_gpiop_maska(unsigned short); -unsigned short get_gpiop_maskb(unsigned short); -unsigned short get_gpiop_data(unsigned short); +void set_gpio_dir(unsigned, unsigned short); +void set_gpio_inen(unsigned, unsigned short); +void set_gpio_polar(unsigned, unsigned short); +void set_gpio_edge(unsigned, unsigned short); +void set_gpio_both(unsigned, unsigned short); +void set_gpio_data(unsigned, unsigned short); +void set_gpio_maska(unsigned, unsigned short); +void set_gpio_maskb(unsigned, unsigned short); +void set_gpio_toggle(unsigned); +void set_gpiop_dir(unsigned, unsigned short); +void set_gpiop_inen(unsigned, unsigned short); +void set_gpiop_polar(unsigned, unsigned short); +void set_gpiop_edge(unsigned, unsigned short); +void set_gpiop_both(unsigned, unsigned short); +void set_gpiop_data(unsigned, unsigned short); +void set_gpiop_maska(unsigned, unsigned short); +void set_gpiop_maskb(unsigned, unsigned short); +unsigned short get_gpio_dir(unsigned); +unsigned short get_gpio_inen(unsigned); +unsigned short get_gpio_polar(unsigned); +unsigned short get_gpio_edge(unsigned); +unsigned short get_gpio_both(unsigned); +unsigned short get_gpio_maska(unsigned); +unsigned short get_gpio_maskb(unsigned); +unsigned short get_gpio_data(unsigned); +unsigned short get_gpiop_dir(unsigned); +unsigned short get_gpiop_inen(unsigned); +unsigned short get_gpiop_polar(unsigned); +unsigned short get_gpiop_edge(unsigned); +unsigned short get_gpiop_both(unsigned); +unsigned short get_gpiop_maska(unsigned); +unsigned short get_gpiop_maskb(unsigned); +unsigned short get_gpiop_data(unsigned); struct gpio_port_t { unsigned short data; @@ -382,8 +382,8 @@ struct gpio_port_t { #define PM_WAKE_LOW 0x8 #define PM_WAKE_BOTH_EDGES (PM_WAKE_RISING | PM_WAKE_FALLING) -int gpio_pm_wakeup_request(unsigned short gpio, unsigned char type); -void gpio_pm_wakeup_free(unsigned short gpio); +int gpio_pm_wakeup_request(unsigned gpio, unsigned char type); +void gpio_pm_wakeup_free(unsigned gpio); unsigned int gpio_pm_setup(void); void gpio_pm_restore(void); @@ -426,19 +426,19 @@ struct gpio_port_s { * MODIFICATION HISTORY : **************************************************************/ -int gpio_request(unsigned short, const char *); -void gpio_free(unsigned short); +int gpio_request(unsigned, const char *); +void gpio_free(unsigned); -void gpio_set_value(unsigned short gpio, unsigned short arg); -unsigned short gpio_get_value(unsigned short gpio); +void gpio_set_value(unsigned gpio, int arg); +int gpio_get_value(unsigned gpio); #ifndef BF548_FAMILY #define gpio_get_value(gpio) get_gpio_data(gpio) #define gpio_set_value(gpio, value) set_gpio_data(gpio, value) #endif -void gpio_direction_input(unsigned short gpio); -void gpio_direction_output(unsigned short gpio); +int gpio_direction_input(unsigned gpio); +int gpio_direction_output(unsigned gpio, int value); #include <asm-generic/gpio.h> /* cansleep wrappers */ #include <asm/irq.h> diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h index 0b867e6a76c..15dbc21eed8 100644 --- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h @@ -146,7 +146,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart) if (uart->rts_pin >= 0) { gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_output(uart->rts_pin); + gpio_direction_output(uart->rts_pin, 0); } #endif } diff --git a/include/asm-blackfin/mach-bf527/portmux.h b/include/asm-blackfin/mach-bf527/portmux.h index dcf001adc63..ae4d205bfcf 100644 --- a/include/asm-blackfin/mach-bf527/portmux.h +++ b/include/asm-blackfin/mach-bf527/portmux.h @@ -1,6 +1,8 @@ #ifndef _MACH_PORTMUX_H_ #define _MACH_PORTMUX_H_ +#define MAX_RESOURCES MAX_BLACKFIN_GPIOS + #define P_PPI0_D0 (P_DEFINED | P_IDENT(GPIO_PF0) | P_FUNCT(0)) #define P_PPI0_D1 (P_DEFINED | P_IDENT(GPIO_PF1) | P_FUNCT(0)) #define P_PPI0_D2 (P_DEFINED | P_IDENT(GPIO_PF2) | P_FUNCT(0)) diff --git a/include/asm-blackfin/mach-bf533/anomaly.h b/include/asm-blackfin/mach-bf533/anomaly.h index f36ff5af1b9..98209d40abb 100644 --- a/include/asm-blackfin/mach-bf533/anomaly.h +++ b/include/asm-blackfin/mach-bf533/anomaly.h @@ -7,9 +7,7 @@ */ /* This file shoule be up to date with: - * - Revision X, March 23, 2007; ADSP-BF533 Blackfin Processor Anomaly List - * - Revision AB, March 23, 2007; ADSP-BF532 Blackfin Processor Anomaly List - * - Revision W, March 23, 2007; ADSP-BF531 Blackfin Processor Anomaly List + * - Revision B, 12/10/2007; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -17,7 +15,7 @@ /* We do not support 0.1 or 0.2 silicon - sorry */ #if __SILICON_REVISION__ < 3 -# error Kernel will not work on BF533 silicon version 0.0, 0.1, or 0.2 +# error will not work on BF533 silicon version 0.0, 0.1, or 0.2 #endif #if defined(__ADSPBF531__) @@ -251,6 +249,12 @@ #define ANOMALY_05000192 (__SILICON_REVISION__ < 3) /* Internal Voltage Regulator may not start up */ #define ANOMALY_05000206 (__SILICON_REVISION__ < 3) +/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ +#define ANOMALY_05000357 (1) +/* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ +#define ANOMALY_05000366 (1) +/* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ +#define ANOMALY_05000371 (1) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000266 (0) diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h index 69b9f8e120e..7871d4313f4 100644 --- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h @@ -111,7 +111,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart) } if (uart->rts_pin >= 0) { gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_input(uart->rts_pin); + gpio_direction_input(uart->rts_pin, 0); } #endif } diff --git a/include/asm-blackfin/mach-bf533/portmux.h b/include/asm-blackfin/mach-bf533/portmux.h index 137f4884acf..685a2651dcd 100644 --- a/include/asm-blackfin/mach-bf533/portmux.h +++ b/include/asm-blackfin/mach-bf533/portmux.h @@ -1,6 +1,8 @@ #ifndef _MACH_PORTMUX_H_ #define _MACH_PORTMUX_H_ +#define MAX_RESOURCES MAX_BLACKFIN_GPIOS + #define P_PPI0_CLK (P_DONTCARE) #define P_PPI0_FS1 (P_DONTCARE) #define P_PPI0_FS2 (P_DONTCARE) diff --git a/include/asm-blackfin/mach-bf537/anomaly.h b/include/asm-blackfin/mach-bf537/anomaly.h index 2b66ecf489f..746a794b311 100644 --- a/include/asm-blackfin/mach-bf537/anomaly.h +++ b/include/asm-blackfin/mach-bf537/anomaly.h @@ -7,9 +7,7 @@ */ /* This file shoule be up to date with: - * - Revision M, March 13, 2007; ADSP-BF537 Blackfin Processor Anomaly List - * - Revision L, March 13, 2007; ADSP-BF536 Blackfin Processor Anomaly List - * - Revision M, March 13, 2007; ADSP-BF534 Blackfin Processor Anomaly List + * - Revision A, 09/04/2007; ADSP-BF534/ADSP-BF536/ADSP-BF537 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -17,7 +15,7 @@ /* We do not support 0.1 silicon - sorry */ #if __SILICON_REVISION__ < 2 -# error Kernel will not work on BF537 silicon version 0.0 or 0.1 +# error will not work on BF537 silicon version 0.0 or 0.1 #endif #if defined(__ADSPBF534__) @@ -44,6 +42,8 @@ #define ANOMALY_05000122 (1) /* Killed 32-bit MMR write leads to next system MMR access thinking it should be 32-bit */ #define ANOMALY_05000157 (__SILICON_REVISION__ < 2) +/* Turning SPORTs on while External Frame Sync Is Active May Corrupt Data */ +#define ANOMALY_05000167 (1) /* PPI_DELAY not functional in PPI modes with 0 frame syncs */ #define ANOMALY_05000180 (1) /* Instruction Cache Is Not Functional */ @@ -130,6 +130,12 @@ #define ANOMALY_05000321 (__SILICON_REVISION__ < 3) /* EMAC RMII mode at 10-Base-T speed: RX frames not received properly */ #define ANOMALY_05000322 (1) +/* Ethernet MAC MDIO Reads Do Not Meet IEEE Specification */ +#define ANOMALY_05000341 (__SILICON_REVISION__ >= 3) +/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ +#define ANOMALY_05000357 (1) +/* DMAs that Go Urgent during Tight Core Writes to External Memory Are Blocked */ +#define ANOMALY_05000359 (1) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h index 6fb328f5186..86e45c37983 100644 --- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h @@ -146,7 +146,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart) if (uart->rts_pin >= 0) { gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_output(uart->rts_pin); + gpio_direction_output(uart->rts_pin, 0); } #endif } diff --git a/include/asm-blackfin/mach-bf537/portmux.h b/include/asm-blackfin/mach-bf537/portmux.h index 5a3f7d3bf73..78fee6e0f23 100644 --- a/include/asm-blackfin/mach-bf537/portmux.h +++ b/include/asm-blackfin/mach-bf537/portmux.h @@ -1,6 +1,8 @@ #ifndef _MACH_PORTMUX_H_ #define _MACH_PORTMUX_H_ +#define MAX_RESOURCES (MAX_BLACKFIN_GPIOS + GPIO_BANKSIZE) /* We additionally handle PORTJ */ + #define P_UART0_TX (P_DEFINED | P_IDENT(GPIO_PF0) | P_FUNCT(0)) #define P_UART0_RX (P_DEFINED | P_IDENT(GPIO_PF1) | P_FUNCT(0)) #define P_UART1_TX (P_DEFINED | P_IDENT(GPIO_PF2) | P_FUNCT(0)) diff --git a/include/asm-blackfin/mach-bf548/anomaly.h b/include/asm-blackfin/mach-bf548/anomaly.h index c5b63759cde..850dc12eb7f 100644 --- a/include/asm-blackfin/mach-bf548/anomaly.h +++ b/include/asm-blackfin/mach-bf548/anomaly.h @@ -7,7 +7,7 @@ */ /* This file shoule be up to date with: - * - Revision C, July 16, 2007; ADSP-BF549 Silicon Anomaly List + * - Revision E, 11/28/2007; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -26,47 +26,59 @@ /* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */ #define ANOMALY_05000272 (1) /* False Hardware Error Exception when ISR context is not restored */ -#define ANOMALY_05000281 (1) +#define ANOMALY_05000281 (__SILICON_REVISION__ < 1) /* SSYNCs After Writes To CAN/DMA MMR Registers Are Not Always Handled Correctly */ -#define ANOMALY_05000304 (1) +#define ANOMALY_05000304 (__SILICON_REVISION__ < 1) /* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ #define ANOMALY_05000310 (1) /* Errors When SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */ -#define ANOMALY_05000312 (1) +#define ANOMALY_05000312 (__SILICON_REVISION__ < 1) /* TWI Slave Boot Mode Is Not Functional */ -#define ANOMALY_05000324 (1) +#define ANOMALY_05000324 (__SILICON_REVISION__ < 1) /* External FIFO Boot Mode Is Not Functional */ -#define ANOMALY_05000325 (1) +#define ANOMALY_05000325 (__SILICON_REVISION__ < 1) /* Data Lost When Core and DMA Accesses Are Made to the USB FIFO Simultaneously */ -#define ANOMALY_05000327 (1) +#define ANOMALY_05000327 (__SILICON_REVISION__ < 1) /* Incorrect Access of OTP_STATUS During otp_write() Function */ -#define ANOMALY_05000328 (1) +#define ANOMALY_05000328 (__SILICON_REVISION__ < 1) /* Synchronous Burst Flash Boot Mode Is Not Functional */ -#define ANOMALY_05000329 (1) +#define ANOMALY_05000329 (__SILICON_REVISION__ < 1) /* Host DMA Boot Mode Is Not Functional */ -#define ANOMALY_05000330 (1) +#define ANOMALY_05000330 (__SILICON_REVISION__ < 1) /* Inadequate Timing Margins on DDR DQS to DQ and DQM Skew */ -#define ANOMALY_05000334 (1) +#define ANOMALY_05000334 (__SILICON_REVISION__ < 1) /* Inadequate Rotary Debounce Logic Duration */ -#define ANOMALY_05000335 (1) +#define ANOMALY_05000335 (__SILICON_REVISION__ < 1) /* Phantom Interrupt Occurs After First Configuration of Host DMA Port */ -#define ANOMALY_05000336 (1) +#define ANOMALY_05000336 (__SILICON_REVISION__ < 1) /* Disallowed Configuration Prevents Subsequent Allowed Configuration on Host DMA Port */ -#define ANOMALY_05000337 (1) +#define ANOMALY_05000337 (__SILICON_REVISION__ < 1) /* Slave-Mode SPI0 MISO Failure With CPHA = 0 */ -#define ANOMALY_05000338 (1) +#define ANOMALY_05000338 (__SILICON_REVISION__ < 1) /* If Memory Reads Are Enabled on SDH or HOSTDP, Other DMAC1 Peripherals Cannot Read */ -#define ANOMALY_05000340 (1) +#define ANOMALY_05000340 (__SILICON_REVISION__ < 1) /* Boot Host Wait (HWAIT) and Boot Host Wait Alternate (HWAITA) Signals Are Swapped */ -#define ANOMALY_05000344 (1) +#define ANOMALY_05000344 (__SILICON_REVISION__ < 1) /* USB Calibration Value Is Not Intialized */ -#define ANOMALY_05000346 (1) +#define ANOMALY_05000346 (__SILICON_REVISION__ < 1) /* Boot ROM Kernel Incorrectly Alters Reset Value of USB Register */ -#define ANOMALY_05000347 (1) +#define ANOMALY_05000347 (__SILICON_REVISION__ < 1) /* Data Lost when Core Reads SDH Data FIFO */ -#define ANOMALY_05000349 (1) +#define ANOMALY_05000349 (__SILICON_REVISION__ < 1) /* PLL Status Register Is Inaccurate */ -#define ANOMALY_05000351 (1) +#define ANOMALY_05000351 (__SILICON_REVISION__ < 1) +/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ +#define ANOMALY_05000357 (1) +/* External Memory Read Access Hangs Core With PLL Bypass */ +#define ANOMALY_05000360 (1) +/* DMAs that Go Urgent during Tight Core Writes to External Memory Are Blocked */ +#define ANOMALY_05000365 (1) +/* Addressing Conflict between Boot ROM and Asynchronous Memory */ +#define ANOMALY_05000369 (1) +/* Mobile DDR Operation Not Functional */ +#define ANOMALY_05000377 (1) +/* Security/Authentication Speedpath Causes Authentication To Fail To Initiate */ +#define ANOMALY_05000378 (1) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h index f21a1620e6b..3770aa38ee9 100644 --- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h @@ -186,7 +186,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart) if (uart->rts_pin >= 0) { gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_output(uart->rts_pin); + gpio_direction_output(uart->rts_pin, 0); } #endif } diff --git a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h index aefab3f618c..19ddcd83c71 100644 --- a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h +++ b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h @@ -244,39 +244,6 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val) #define bfin_read_TWI0_RCV_DATA16() bfin_read16(TWI0_RCV_DATA16) #define bfin_write_TWI0_RCV_DATA16(val) bfin_write16(TWI0_RCV_DATA16, val) -#define bfin_read_TWI_CLKDIV() bfin_read16(TWI0_CLKDIV) -#define bfin_write_TWI_CLKDIV(val) bfin_write16(TWI0_CLKDIV, val) -#define bfin_read_TWI_CONTROL() bfin_read16(TWI0_CONTROL) -#define bfin_write_TWI_CONTROL(val) bfin_write16(TWI0_CONTROL, val) -#define bfin_read_TWI_SLAVE_CTRL() bfin_read16(TWI0_SLAVE_CTRL) -#define bfin_write_TWI_SLAVE_CTRL(val) bfin_write16(TWI0_SLAVE_CTRL, val) -#define bfin_read_TWI_SLAVE_STAT() bfin_read16(TWI0_SLAVE_STAT) -#define bfin_write_TWI_SLAVE_STAT(val) bfin_write16(TWI0_SLAVE_STAT, val) -#define bfin_read_TWI_SLAVE_ADDR() bfin_read16(TWI0_SLAVE_ADDR) -#define bfin_write_TWI_SLAVE_ADDR(val) bfin_write16(TWI0_SLAVE_ADDR, val) -#define bfin_read_TWI_MASTER_CTL() bfin_read16(TWI0_MASTER_CTRL) -#define bfin_write_TWI_MASTER_CTL(val) bfin_write16(TWI0_MASTER_CTRL, val) -#define bfin_read_TWI_MASTER_STAT() bfin_read16(TWI0_MASTER_STAT) -#define bfin_write_TWI_MASTER_STAT(val) bfin_write16(TWI0_MASTER_STAT, val) -#define bfin_read_TWI_MASTER_ADDR() bfin_read16(TWI0_MASTER_ADDR) -#define bfin_write_TWI_MASTER_ADDR(val) bfin_write16(TWI0_MASTER_ADDR, val) -#define bfin_read_TWI_INT_STAT() bfin_read16(TWI0_INT_STAT) -#define bfin_write_TWI_INT_STAT(val) bfin_write16(TWI0_INT_STAT, val) -#define bfin_read_TWI_INT_MASK() bfin_read16(TWI0_INT_MASK) -#define bfin_write_TWI_INT_MASK(val) bfin_write16(TWI0_INT_MASK, val) -#define bfin_read_TWI_FIFO_CTL() bfin_read16(TWI0_FIFO_CTRL) -#define bfin_write_TWI_FIFO_CTL(val) bfin_write16(TWI0_FIFO_CTRL, val) -#define bfin_read_TWI_FIFO_STAT() bfin_read16(TWI0_FIFO_STAT) -#define bfin_write_TWI_FIFO_STAT(val) bfin_write16(TWI0_FIFO_STAT, val) -#define bfin_read_TWI_XMT_DATA8() bfin_read16(TWI0_XMT_DATA8) -#define bfin_write_TWI_XMT_DATA8(val) bfin_write16(TWI0_XMT_DATA8, val) -#define bfin_read_TWI_XMT_DATA16() bfin_read16(TWI0_XMT_DATA16) -#define bfin_write_TWI_XMT_DATA16(val) bfin_write16(TWI0_XMT_DATA16, val) -#define bfin_read_TWI_RCV_DATA8() bfin_read16(TWI0_RCV_DATA8) -#define bfin_write_TWI_RCV_DATA8(val) bfin_write16(TWI0_RCV_DATA8, val) -#define bfin_read_TWI_RCV_DATA16() bfin_read16(TWI0_RCV_DATA16) -#define bfin_write_TWI_RCV_DATA16(val) bfin_write16(TWI0_RCV_DATA16, val) - /* SPORT0 is not defined in the shared file because it is not available on the ADSP-BF542 and ADSP-BF544 bfin_read_()rocessors */ /* SPORT1 Registers */ diff --git a/include/asm-blackfin/mach-bf548/defBF542.h b/include/asm-blackfin/mach-bf548/defBF542.h index 32d07130200..a7c809f29ed 100644 --- a/include/asm-blackfin/mach-bf548/defBF542.h +++ b/include/asm-blackfin/mach-bf548/defBF542.h @@ -432,8 +432,8 @@ #define CMD_CRC_FAIL 0x1 /* CMD CRC Fail */ #define DAT_CRC_FAIL 0x2 /* Data CRC Fail */ -#define CMD_TIMEOUT 0x4 /* CMD Time Out */ -#define DAT_TIMEOUT 0x8 /* Data Time Out */ +#define CMD_TIME_OUT 0x4 /* CMD Time Out */ +#define DAT_TIME_OUT 0x8 /* Data Time Out */ #define TX_UNDERRUN 0x10 /* Transmit Underrun */ #define RX_OVERRUN 0x20 /* Receive Overrun */ #define CMD_RESP_END 0x40 /* CMD Response End */ diff --git a/include/asm-blackfin/mach-bf548/defBF548.h b/include/asm-blackfin/mach-bf548/defBF548.h index ecbca952985..e46f56891e6 100644 --- a/include/asm-blackfin/mach-bf548/defBF548.h +++ b/include/asm-blackfin/mach-bf548/defBF548.h @@ -1095,8 +1095,8 @@ #define CMD_CRC_FAIL 0x1 /* CMD CRC Fail */ #define DAT_CRC_FAIL 0x2 /* Data CRC Fail */ -#define CMD_TIMEOUT 0x4 /* CMD Time Out */ -#define DAT_TIMEOUT 0x8 /* Data Time Out */ +#define CMD_TIME_OUT 0x4 /* CMD Time Out */ +#define DAT_TIME_OUT 0x8 /* Data Time Out */ #define TX_UNDERRUN 0x10 /* Transmit Underrun */ #define RX_OVERRUN 0x20 /* Receive Overrun */ #define CMD_RESP_END 0x40 /* CMD Response End */ diff --git a/include/asm-blackfin/mach-bf548/defBF54x_base.h b/include/asm-blackfin/mach-bf548/defBF54x_base.h index 319a48590c9..08f90c21fe8 100644 --- a/include/asm-blackfin/mach-bf548/defBF54x_base.h +++ b/include/asm-blackfin/mach-bf548/defBF54x_base.h @@ -1772,17 +1772,36 @@ #define TRP 0x3c0000 /* Pre charge-to-active command period */ #define TRAS 0x3c00000 /* Min Active-to-pre charge time */ #define TRC 0x3c000000 /* Active-to-active time */ +#define DDR_TRAS(x) ((x<<22)&TRAS) /* DDR tRAS = (1~15) cycles */ +#define DDR_TRP(x) ((x<<18)&TRP) /* DDR tRP = (1~15) cycles */ +#define DDR_TRC(x) ((x<<26)&TRC) /* DDR tRC = (1~15) cycles */ +#define DDR_TRFC(x) ((x<<14)&TRFC) /* DDR tRFC = (1~15) cycles */ +#define DDR_TREFI(x) (x&TREFI) /* DDR tRFC = (1~15) cycles */ /* Bit masks for EBIU_DDRCTL1 */ #define TRCD 0xf /* Active-to-Read/write delay */ -#define MRD 0xf0 /* Mode register set to active */ +#define TMRD 0xf0 /* Mode register set to active */ #define TWR 0x300 /* Write Recovery time */ #define DDRDATWIDTH 0x3000 /* DDR data width */ #define EXTBANKS 0xc000 /* External banks */ #define DDRDEVWIDTH 0x30000 /* DDR device width */ #define DDRDEVSIZE 0xc0000 /* DDR device size */ -#define TWWTR 0xf0000000 /* Write-to-read delay */ +#define TWTR 0xf0000000 /* Write-to-read delay */ +#define DDR_TWTR(x) ((x<<28)&TWTR) /* DDR tWTR = (1~15) cycles */ +#define DDR_TMRD(x) ((x<<4)&TMRD) /* DDR tMRD = (1~15) cycles */ +#define DDR_TWR(x) ((x<<8)&TWR) /* DDR tWR = (1~15) cycles */ +#define DDR_TRCD(x) (x&TRCD) /* DDR tRCD = (1~15) cycles */ +#define DDR_DATWIDTH 0x2000 /* DDR data width */ +#define EXTBANK_1 0 /* 1 external bank */ +#define EXTBANK_2 0x4000 /* 2 external banks */ +#define DEVSZ_64 0x40000 /* DDR External Bank Size = 64MB */ +#define DEVSZ_128 0x80000 /* DDR External Bank Size = 128MB */ +#define DEVSZ_256 0xc0000 /* DDR External Bank Size = 256MB */ +#define DEVSZ_512 0 /* DDR External Bank Size = 512MB */ +#define DEVWD_4 0 /* DDR Device Width = 4 Bits */ +#define DEVWD_8 0x10000 /* DDR Device Width = 8 Bits */ +#define DEVWD_16 0x20000 /* DDR Device Width = 16 Bits */ /* Bit masks for EBIU_DDRCTL2 */ @@ -1790,6 +1809,10 @@ #define CASLATENCY 0x70 /* CAS latency */ #define DLLRESET 0x100 /* DLL Reset */ #define REGE 0x1000 /* Register mode enable */ +#define CL_1_5 0x50 /* DDR CAS Latency = 1.5 cycles */ +#define CL_2 0x20 /* DDR CAS Latency = 2 cycles */ +#define CL_2_5 0x60 /* DDR CAS Latency = 2.5 cycles */ +#define CL_3 0x30 /* DDR CAS Latency = 3 cycles */ /* Bit masks for EBIU_DDRCTL3 */ @@ -2257,6 +2280,10 @@ #define CSEL 0x30 /* Core Select */ #define SSEL 0xf /* System Select */ +#define CSEL_DIV1 0x0000 /* CCLK = VCO / 1 */ +#define CSEL_DIV2 0x0010 /* CCLK = VCO / 2 */ +#define CSEL_DIV4 0x0020 /* CCLK = VCO / 4 */ +#define CSEL_DIV8 0x0030 /* CCLK = VCO / 8 */ /* Bit masks for PLL_CTL */ diff --git a/include/asm-blackfin/mach-bf548/irq.h b/include/asm-blackfin/mach-bf548/irq.h index 9fb7bc5399a..c34507a3f1d 100644 --- a/include/asm-blackfin/mach-bf548/irq.h +++ b/include/asm-blackfin/mach-bf548/irq.h @@ -88,7 +88,7 @@ Events (highest priority) EMU 0 #define IRQ_PINT1 BFIN_IRQ(20) /* PINT1 Interrupt */ #define IRQ_MDMAS0 BFIN_IRQ(21) /* MDMA Stream 0 Interrupt */ #define IRQ_MDMAS1 BFIN_IRQ(22) /* MDMA Stream 1 Interrupt */ -#define IRQ_WATCHDOG BFIN_IRQ(23) /* Watchdog Interrupt */ +#define IRQ_WATCH BFIN_IRQ(23) /* Watchdog Interrupt */ #define IRQ_DMAC1_ERROR BFIN_IRQ(24) /* DMAC1 Status (Error) Interrupt */ #define IRQ_SPORT2_ERROR BFIN_IRQ(25) /* SPORT2 Error Interrupt */ #define IRQ_SPORT3_ERROR BFIN_IRQ(26) /* SPORT3 Error Interrupt */ @@ -406,7 +406,7 @@ Events (highest priority) EMU 0 #define IRQ_PINT1_POS 16 #define IRQ_MDMAS0_POS 20 #define IRQ_MDMAS1_POS 24 -#define IRQ_WATCHDOG_POS 28 +#define IRQ_WATCH_POS 28 /* IAR3 BIT FIELDS */ #define IRQ_DMAC1_ERR_POS 0 diff --git a/include/asm-blackfin/mach-bf548/mem_init.h b/include/asm-blackfin/mach-bf548/mem_init.h index 0cb279e973d..befc2903d5a 100644 --- a/include/asm-blackfin/mach-bf548/mem_init.h +++ b/include/asm-blackfin/mach-bf548/mem_init.h @@ -28,8 +28,68 @@ * If not, write to the Free Software Foundation, * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define MIN_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000 + 1) + +#if (CONFIG_MEM_MT46V32M16_6T) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 + +#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(60)) +#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(42)) +#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15)) +#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(72)) +#define DDR_tREFI DDR_TREFI(MIN_DDR_SCLK(7800)) + +#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15)) +#define DDR_tWTR DDR_TWTR(1) +#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(12)) +#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15)) +#endif + +#if (CONFIG_MEM_MT46V32M16_5B) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 + +#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(55)) +#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(40)) +#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15)) +#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(70)) +#define DDR_tREFI DDR_TREFI(MIN_DDR_SCLK(7800)) + +#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15)) +#define DDR_tWTR DDR_TWTR(2) +#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(10)) +#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15)) +#endif + +#if (CONFIG_MEM_GENERIC_BOARD) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 + +#define DDR_tRCD DDR_TRCD(3) +#define DDR_tWTR DDR_TWTR(2) +#define DDR_tWR DDR_TWR(2) +#define DDR_tMRD DDR_TMRD(2) +#define DDR_tRP DDR_TRP(3) +#define DDR_tRAS DDR_TRAS(7) +#define DDR_tRC DDR_TRC(10) +#define DDR_tRFC DDR_TRFC(12) +#define DDR_tREFI DDR_TREFI(1288) +#endif + +#if (CONFIG_SCLK_HZ <= 133333333) +#define DDR_CL CL_2 +#elif (CONFIG_SCLK_HZ <= 166666666) +#define DDR_CL CL_2_5 +#else +#define DDR_CL CL_3 +#endif + +#define mem_DDRCTL0 (DDR_tRP | DDR_tRAS | DDR_tRC | DDR_tRFC | DDR_tREFI) +#define mem_DDRCTL1 (DDR_DATWIDTH | EXTBANK_1 | DDR_SIZE | DDR_WIDTH | DDR_tWTR \ + | DDR_tMRD | DDR_tWR | DDR_tRCD) +#define mem_DDRCTL2 DDR_CL -#if (CONFIG_MEM_MT46V32M16) #if defined CONFIG_CLKIN_HALF #define CLKIN_HALF 1 diff --git a/include/asm-blackfin/mach-bf548/portmux.h b/include/asm-blackfin/mach-bf548/portmux.h index 6b485120015..8177a567dcd 100644 --- a/include/asm-blackfin/mach-bf548/portmux.h +++ b/include/asm-blackfin/mach-bf548/portmux.h @@ -1,6 +1,8 @@ #ifndef _MACH_PORTMUX_H_ #define _MACH_PORTMUX_H_ +#define MAX_RESOURCES MAX_BLACKFIN_GPIOS + #define P_SPORT2_TFS (P_DEFINED | P_IDENT(GPIO_PA0) | P_FUNCT(0)) #define P_SPORT2_DTSEC (P_DEFINED | P_IDENT(GPIO_PA1) | P_FUNCT(0)) #define P_SPORT2_DTPRI (P_DEFINED | P_IDENT(GPIO_PA2) | P_FUNCT(0)) diff --git a/include/asm-blackfin/mach-bf561/anomaly.h b/include/asm-blackfin/mach-bf561/anomaly.h index bed95645688..0c1d4619393 100644 --- a/include/asm-blackfin/mach-bf561/anomaly.h +++ b/include/asm-blackfin/mach-bf561/anomaly.h @@ -7,7 +7,7 @@ */ /* This file shoule be up to date with: - * - Revision N, March 28, 2007; ADSP-BF561 Silicon Anomaly List + * - Revision O, 11/15/2007; ADSP-BF561 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -15,7 +15,7 @@ /* We do not support 0.1, 0.2, or 0.4 silicon - sorry */ #if __SILICON_REVISION__ < 3 || __SILICON_REVISION__ == 4 -# error Kernel will not work on BF561 silicon version 0.0, 0.1, 0.2, or 0.4 +# error will not work on BF561 silicon version 0.0, 0.1, 0.2, or 0.4 #endif /* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot 2 Not Supported */ @@ -208,6 +208,8 @@ #define ANOMALY_05000275 (__SILICON_REVISION__ > 2) /* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */ #define ANOMALY_05000276 (__SILICON_REVISION__ < 5) +/* Writes to an I/O data register one SCLK cycle after an edge is detected may clear interrupt */ +#define ANOMALY_05000277 (__SILICON_REVISION__ < 3) /* Disabling Peripherals with DMA Running May Cause DMA System Instability */ #define ANOMALY_05000278 (__SILICON_REVISION__ < 5) /* False Hardware Error Exception When ISR Context Is Not Restored */ @@ -246,6 +248,18 @@ #define ANOMALY_05000332 (__SILICON_REVISION__ < 5) /* Flag Data Register Writes One SCLK Cycle After Edge Is Detected May Clear Interrupt Status */ #define ANOMALY_05000333 (__SILICON_REVISION__ < 5) +/* New Feature: Additional PPI Frame Sync Sampling Options (Not Available on Older Silicon) */ +#define ANOMALY_05000339 (__SILICON_REVISION__ < 5) +/* Memory DMA FIFO Causes Throughput Degradation on Writes to External Memory */ +#define ANOMALY_05000343 (__SILICON_REVISION__ < 5) +/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ +#define ANOMALY_05000357 (1) +/* Conflicting Column Address Widths Causes SDRAM Errors */ +#define ANOMALY_05000362 (1) +/* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ +#define ANOMALY_05000366 (1) +/* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ +#define ANOMALY_05000371 (1) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000158 (0) diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h index 69b9f8e120e..7871d4313f4 100644 --- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h @@ -111,7 +111,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart) } if (uart->rts_pin >= 0) { gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_input(uart->rts_pin); + gpio_direction_input(uart->rts_pin, 0); } #endif } diff --git a/include/asm-blackfin/mach-bf561/portmux.h b/include/asm-blackfin/mach-bf561/portmux.h index 132ad31665e..a6ee8206efb 100644 --- a/include/asm-blackfin/mach-bf561/portmux.h +++ b/include/asm-blackfin/mach-bf561/portmux.h @@ -1,6 +1,8 @@ #ifndef _MACH_PORTMUX_H_ #define _MACH_PORTMUX_H_ +#define MAX_RESOURCES MAX_BLACKFIN_GPIOS + #define P_PPI0_CLK (P_DONTCARE) #define P_PPI0_FS1 (P_DONTCARE) #define P_PPI0_FS2 (P_DONTCARE) diff --git a/include/asm-blackfin/mmu.h b/include/asm-blackfin/mmu.h index 11d52f1167d..757e43906ed 100644 --- a/include/asm-blackfin/mmu.h +++ b/include/asm-blackfin/mmu.h @@ -24,7 +24,9 @@ typedef struct { unsigned long exec_fdpic_loadmap; unsigned long interp_fdpic_loadmap; #endif - +#ifdef CONFIG_MPU + unsigned long *page_rwx_mask; +#endif } mm_context_t; #endif diff --git a/include/asm-blackfin/mmu_context.h b/include/asm-blackfin/mmu_context.h index c5c71a6aaf1..b5eb67596ad 100644 --- a/include/asm-blackfin/mmu_context.h +++ b/include/asm-blackfin/mmu_context.h @@ -30,9 +30,12 @@ #ifndef __BLACKFIN_MMU_CONTEXT_H__ #define __BLACKFIN_MMU_CONTEXT_H__ +#include <linux/gfp.h> +#include <linux/sched.h> #include <asm/setup.h> #include <asm/page.h> #include <asm/pgalloc.h> +#include <asm/cplbinit.h> extern void *current_l1_stack_save; extern int nr_l1stack_tasks; @@ -50,6 +53,12 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { +#ifdef CONFIG_MPU + unsigned long p = __get_free_pages(GFP_KERNEL, page_mask_order); + mm->context.page_rwx_mask = (unsigned long *)p; + memset(mm->context.page_rwx_mask, 0, + page_mask_nelts * 3 * sizeof(long)); +#endif return 0; } @@ -73,6 +82,11 @@ static inline void destroy_context(struct mm_struct *mm) sram_free(tmp->addr); kfree(tmp); } +#ifdef CONFIG_MPU + if (current_rwx_mask == mm->context.page_rwx_mask) + current_rwx_mask = NULL; + free_pages((unsigned long)mm->context.page_rwx_mask, page_mask_order); +#endif } static inline unsigned long @@ -106,9 +120,21 @@ activate_l1stack(struct mm_struct *mm, unsigned long sp_base) #define deactivate_mm(tsk,mm) do { } while (0) -static inline void activate_mm(struct mm_struct *prev_mm, - struct mm_struct *next_mm) +#define activate_mm(prev, next) switch_mm(prev, next, NULL) + +static inline void switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm, + struct task_struct *tsk) { + if (prev_mm == next_mm) + return; +#ifdef CONFIG_MPU + if (prev_mm->context.page_rwx_mask == current_rwx_mask) { + flush_switched_cplbs(); + set_mask_dcplbs(next_mm->context.page_rwx_mask); + } +#endif + + /* L1 stack switching. */ if (!next_mm->context.l1_stack_save) return; if (next_mm->context.l1_stack_save == current_l1_stack_save) @@ -120,10 +146,36 @@ static inline void activate_mm(struct mm_struct *prev_mm, memcpy(l1_stack_base, current_l1_stack_save, l1_stack_len); } -static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - struct task_struct *tsk) +#ifdef CONFIG_MPU +static inline void protect_page(struct mm_struct *mm, unsigned long addr, + unsigned long flags) +{ + unsigned long *mask = mm->context.page_rwx_mask; + unsigned long page = addr >> 12; + unsigned long idx = page >> 5; + unsigned long bit = 1 << (page & 31); + + if (flags & VM_MAYREAD) + mask[idx] |= bit; + else + mask[idx] &= ~bit; + mask += page_mask_nelts; + if (flags & VM_MAYWRITE) + mask[idx] |= bit; + else + mask[idx] &= ~bit; + mask += page_mask_nelts; + if (flags & VM_MAYEXEC) + mask[idx] |= bit; + else + mask[idx] &= ~bit; +} + +static inline void update_protections(struct mm_struct *mm) { - activate_mm(prev, next); + flush_switched_cplbs(); + set_mask_dcplbs(mm->context.page_rwx_mask); } +#endif #endif diff --git a/include/asm-blackfin/traps.h b/include/asm-blackfin/traps.h index ee1cbf73a9a..f0e5f940d9c 100644 --- a/include/asm-blackfin/traps.h +++ b/include/asm-blackfin/traps.h @@ -45,6 +45,10 @@ #define VEC_CPLB_I_M (44) #define VEC_CPLB_I_MHIT (45) #define VEC_ILL_RES (46) /* including unvalid supervisor mode insn */ +/* The hardware reserves (63) for future use - we use it to tell our + * normal exception handling code we have a hardware error + */ +#define VEC_HWERR (63) #ifndef __ASSEMBLY__ diff --git a/include/asm-blackfin/uaccess.h b/include/asm-blackfin/uaccess.h index 2233f8f9314..22a410b8003 100644 --- a/include/asm-blackfin/uaccess.h +++ b/include/asm-blackfin/uaccess.h @@ -31,7 +31,7 @@ static inline void set_fs(mm_segment_t fs) #define VERIFY_READ 0 #define VERIFY_WRITE 1 -#define access_ok(type,addr,size) _access_ok((unsigned long)(addr),(size)) +#define access_ok(type, addr, size) _access_ok((unsigned long)(addr), (size)) static inline int is_in_rom(unsigned long addr) { diff --git a/include/asm-blackfin/unistd.h b/include/asm-blackfin/unistd.h index 07ffe8b718c..e98167358d2 100644 --- a/include/asm-blackfin/unistd.h +++ b/include/asm-blackfin/unistd.h @@ -369,8 +369,9 @@ #define __NR_set_robust_list 354 #define __NR_get_robust_list 355 #define __NR_fallocate 356 +#define __NR_semtimedop 357 -#define __NR_syscall 357 +#define __NR_syscall 358 #define NR_syscalls __NR_syscall /* Old optional stuff no one actually uses */ |