diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq.h')
-rw-r--r-- | c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq.h | 304 |
1 files changed, 73 insertions, 231 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq.h b/c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq.h index 2ae0586e3e..2d35c12376 100644 --- a/c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq.h +++ b/c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq.h @@ -26,8 +26,9 @@ * $Id$ */ -#ifndef LIBBSP_POWERPC_MBX8XX_IRQ_IRQ_H -#define LIBBSP_POWERPC_MBX8XX_IRQ_IRQ_H +#ifndef LIBBSP_POWERPC_IRQ_H +#define LIBBSP_POWERPC_IRQ_H +#include <rtems/irq.h> #define BSP_ASM_IRQ_VECTOR_BASE 0x0 @@ -45,30 +46,29 @@ extern volatile unsigned int ppc_cached_irq_mask; * Symblolic IRQ names and related definitions. */ -typedef enum { /* Base vector for our SIU IRQ handlers. */ - BSP_SIU_VECTOR_BASE = BSP_ASM_IRQ_VECTOR_BASE, +#define BSP_SIU_VECTOR_BASE (BSP_ASM_IRQ_VECTOR_BASE) /* * CPM IRQ handlers related definitions * CAUTION : BSP_CPM_IRQ_LOWEST_OFFSET should be equal to OPENPIC_VEC_SOURCE */ - BSP_CPM_IRQ_NUMBER = 64, - BSP_CPM_IRQ_LOWEST_OFFSET = BSP_SIU_VECTOR_BASE, - BSP_CPM_IRQ_MAX_OFFSET = BSP_CPM_IRQ_LOWEST_OFFSET + BSP_CPM_IRQ_NUMBER - 1, +#define BSP_CPM_IRQ_NUMBER (64) +#define BSP_CPM_IRQ_LOWEST_OFFSET (BSP_SIU_VECTOR_BASE) +#define BSP_CPM_IRQ_MAX_OFFSET (BSP_CPM_IRQ_LOWEST_OFFSET + BSP_CPM_IRQ_NUMBER - 1) /* * PowerPc exceptions handled as interrupt where a rtems managed interrupt * handler might be connected */ - BSP_PROCESSOR_IRQ_NUMBER = 1, - BSP_PROCESSOR_IRQ_LOWEST_OFFSET = BSP_CPM_IRQ_MAX_OFFSET + 1, - BSP_PROCESSOR_IRQ_MAX_OFFSET = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + BSP_PROCESSOR_IRQ_NUMBER - 1, +#define BSP_PROCESSOR_IRQ_NUMBER (1) +#define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_CPM_IRQ_MAX_OFFSET + 1) +#define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET + BSP_PROCESSOR_IRQ_NUMBER - 1) /* * Summary */ - BSP_IRQ_NUMBER = BSP_PROCESSOR_IRQ_MAX_OFFSET + 1, - BSP_LOWEST_OFFSET = BSP_CPM_IRQ_LOWEST_OFFSET, - BSP_MAX_OFFSET = BSP_PROCESSOR_IRQ_MAX_OFFSET, +#define BSP_IRQ_NUMBER (BSP_PROCESSOR_IRQ_MAX_OFFSET + 1) +#define BSP_LOWEST_OFFSET (BSP_CPM_IRQ_LOWEST_OFFSET) +#define BSP_MAX_OFFSET (BSP_PROCESSOR_IRQ_MAX_OFFSET) /* * Some SIU IRQ symbolic name definition. Please note that @@ -87,150 +87,70 @@ typedef enum { /* * Some CPM IRQ symbolic name definition */ - BSP_CPM_IRQ_ERROR = BSP_CPM_IRQ_LOWEST_OFFSET, - BSP_CPM_IRQ_I2C = BSP_CPM_IRQ_LOWEST_OFFSET + 1, - BSP_CPM_IRQ_SPI = BSP_CPM_IRQ_LOWEST_OFFSET + 2, - BSP_CPM_IRQ_RISC_TIMERS = BSP_CPM_IRQ_LOWEST_OFFSET + 3, - BSP_CPM_IRQ_SMC1 = BSP_CPM_IRQ_LOWEST_OFFSET + 4, - BSP_CPM_IRQ_SMC2 = BSP_CPM_IRQ_LOWEST_OFFSET + 5, - BSP_CPM_IRQ_IDMA1 = BSP_CPM_IRQ_LOWEST_OFFSET + 6, - BSP_CPM_IRQ_IDMA2 = BSP_CPM_IRQ_LOWEST_OFFSET + 7, - BSP_CPM_IRQ_IDMA3 = BSP_CPM_IRQ_LOWEST_OFFSET + 8, - BSP_CPM_IRQ_IDMA4 = BSP_CPM_IRQ_LOWEST_OFFSET + 9, - BSP_CPM_IRQ_SDMA = BSP_CPM_IRQ_LOWEST_OFFSET + 10, - - BSP_CPM_IRQ_TIMER_1 = BSP_CPM_IRQ_LOWEST_OFFSET + 12, - BSP_CPM_IRQ_TIMER_2 = BSP_CPM_IRQ_LOWEST_OFFSET + 13, - BSP_CPM_IRQ_TIMER_3 = BSP_CPM_IRQ_LOWEST_OFFSET + 14, - BSP_CPM_IRQ_TIMER_4 = BSP_CPM_IRQ_LOWEST_OFFSET + 15, - BSP_CPM_IRQ_TMCNT = BSP_CPM_IRQ_LOWEST_OFFSET + 16, - BSP_CPM_IRQ_PIT = BSP_CPM_IRQ_LOWEST_OFFSET + 17, - - BSP_CPM_IRQ_IRQ1 = BSP_CPM_IRQ_LOWEST_OFFSET + 19, - BSP_CPM_IRQ_IRQ2 = BSP_CPM_IRQ_LOWEST_OFFSET + 20, - BSP_CPM_IRQ_IRQ3 = BSP_CPM_IRQ_LOWEST_OFFSET + 21, - BSP_CPM_IRQ_IRQ4 = BSP_CPM_IRQ_LOWEST_OFFSET + 22, - BSP_CPM_IRQ_IRQ5 = BSP_CPM_IRQ_LOWEST_OFFSET + 23, - BSP_CPM_IRQ_IRQ6 = BSP_CPM_IRQ_LOWEST_OFFSET + 24, - BSP_CPM_IRQ_IRQ7 = BSP_CPM_IRQ_LOWEST_OFFSET + 25, - - BSP_CPM_IRQ_FCC1 = BSP_CPM_IRQ_LOWEST_OFFSET + 32, - BSP_CPM_IRQ_FCC2 = BSP_CPM_IRQ_LOWEST_OFFSET + 33, - BSP_CPM_IRQ_FCC3 = BSP_CPM_IRQ_LOWEST_OFFSET + 34, - - BSP_CPM_IRQ_MCC1 = BSP_CPM_IRQ_LOWEST_OFFSET + 36, - BSP_CPM_IRQ_MCC2 = BSP_CPM_IRQ_LOWEST_OFFSET + 37, - - BSP_CPM_IRQ_SCC1 = BSP_CPM_IRQ_LOWEST_OFFSET + 40, - BSP_CPM_IRQ_SCC2 = BSP_CPM_IRQ_LOWEST_OFFSET + 41, - BSP_CPM_IRQ_SCC3 = BSP_CPM_IRQ_LOWEST_OFFSET + 42, - BSP_CPM_IRQ_SCC4 = BSP_CPM_IRQ_LOWEST_OFFSET + 43, - - BSP_CPM_IRQ_PC15 = BSP_CPM_IRQ_LOWEST_OFFSET + 48, - BSP_CPM_IRQ_PC14 = BSP_CPM_IRQ_LOWEST_OFFSET + 49, - BSP_CPM_IRQ_PC13 = BSP_CPM_IRQ_LOWEST_OFFSET + 50, - BSP_CPM_IRQ_PC12 = BSP_CPM_IRQ_LOWEST_OFFSET + 51, - BSP_CPM_IRQ_PC11 = BSP_CPM_IRQ_LOWEST_OFFSET + 52, - BSP_CPM_IRQ_PC10 = BSP_CPM_IRQ_LOWEST_OFFSET + 53, - BSP_CPM_IRQ_PC9 = BSP_CPM_IRQ_LOWEST_OFFSET + 54, - BSP_CPM_IRQ_PC8 = BSP_CPM_IRQ_LOWEST_OFFSET + 55, - BSP_CPM_IRQ_PC7 = BSP_CPM_IRQ_LOWEST_OFFSET + 56, - BSP_CPM_IRQ_PC6 = BSP_CPM_IRQ_LOWEST_OFFSET + 57, - BSP_CPM_IRQ_PC5 = BSP_CPM_IRQ_LOWEST_OFFSET + 58, - BSP_CPM_IRQ_PC4 = BSP_CPM_IRQ_LOWEST_OFFSET + 59, - BSP_CPM_IRQ_PC3 = BSP_CPM_IRQ_LOWEST_OFFSET + 60, - BSP_CPM_IRQ_PC2 = BSP_CPM_IRQ_LOWEST_OFFSET + 61, - BSP_CPM_IRQ_PC1 = BSP_CPM_IRQ_LOWEST_OFFSET + 62, - BSP_CPM_IRQ_PC0 = BSP_CPM_IRQ_LOWEST_OFFSET + 63, +#define BSP_CPM_IRQ_ERROR (BSP_CPM_IRQ_LOWEST_OFFSET + 0) +#define BSP_CPM_IRQ_I2C (BSP_CPM_IRQ_LOWEST_OFFSET + 1) +#define BSP_CPM_IRQ_SPI (BSP_CPM_IRQ_LOWEST_OFFSET + 2) +#define BSP_CPM_IRQ_RISC_TIMERS (BSP_CPM_IRQ_LOWEST_OFFSET + 3) +#define BSP_CPM_IRQ_SMC1 (BSP_CPM_IRQ_LOWEST_OFFSET + 4) +#define BSP_CPM_IRQ_SMC2 (BSP_CPM_IRQ_LOWEST_OFFSET + 5) +#define BSP_CPM_IRQ_IDMA1 (BSP_CPM_IRQ_LOWEST_OFFSET + 6) +#define BSP_CPM_IRQ_IDMA2 (BSP_CPM_IRQ_LOWEST_OFFSET + 7) +#define BSP_CPM_IRQ_IDMA3 (BSP_CPM_IRQ_LOWEST_OFFSET + 8) +#define BSP_CPM_IRQ_IDMA4 (BSP_CPM_IRQ_LOWEST_OFFSET + 9) +#define BSP_CPM_IRQ_SDMA (BSP_CPM_IRQ_LOWEST_OFFSET + 10) + +#define BSP_CPM_IRQ_TIMER_1 (BSP_CPM_IRQ_LOWEST_OFFSET + 12) +#define BSP_CPM_IRQ_TIMER_2 (BSP_CPM_IRQ_LOWEST_OFFSET + 13) +#define BSP_CPM_IRQ_TIMER_3 (BSP_CPM_IRQ_LOWEST_OFFSET + 14) +#define BSP_CPM_IRQ_TIMER_4 (BSP_CPM_IRQ_LOWEST_OFFSET + 15) +#define BSP_CPM_IRQ_TMCNT (BSP_CPM_IRQ_LOWEST_OFFSET + 16) +#define BSP_CPM_IRQ_PIT (BSP_CPM_IRQ_LOWEST_OFFSET + 17) + +#define BSP_CPM_IRQ_IRQ1 (BSP_CPM_IRQ_LOWEST_OFFSET + 19) +#define BSP_CPM_IRQ_IRQ2 (BSP_CPM_IRQ_LOWEST_OFFSET + 20) +#define BSP_CPM_IRQ_IRQ3 (BSP_CPM_IRQ_LOWEST_OFFSET + 21) +#define BSP_CPM_IRQ_IRQ4 (BSP_CPM_IRQ_LOWEST_OFFSET + 22) +#define BSP_CPM_IRQ_IRQ5 (BSP_CPM_IRQ_LOWEST_OFFSET + 23) +#define BSP_CPM_IRQ_IRQ6 (BSP_CPM_IRQ_LOWEST_OFFSET + 24) +#define BSP_CPM_IRQ_IRQ7 (BSP_CPM_IRQ_LOWEST_OFFSET + 25) + +#define BSP_CPM_IRQ_FCC1 (BSP_CPM_IRQ_LOWEST_OFFSET + 32) +#define BSP_CPM_IRQ_FCC2 (BSP_CPM_IRQ_LOWEST_OFFSET + 33) +#define BSP_CPM_IRQ_FCC3 (BSP_CPM_IRQ_LOWEST_OFFSET + 34) +#define BSP_CPM_IRQ_MCC1 (BSP_CPM_IRQ_LOWEST_OFFSET + 36) +#define BSP_CPM_IRQ_MCC2 (BSP_CPM_IRQ_LOWEST_OFFSET + 37) + +#define BSP_CPM_IRQ_SCC1 (BSP_CPM_IRQ_LOWEST_OFFSET + 40) +#define BSP_CPM_IRQ_SCC2 (BSP_CPM_IRQ_LOWEST_OFFSET + 41) +#define BSP_CPM_IRQ_SCC3 (BSP_CPM_IRQ_LOWEST_OFFSET + 42) +#define BSP_CPM_IRQ_SCC4 (BSP_CPM_IRQ_LOWEST_OFFSET + 43) + +#define BSP_CPM_IRQ_PC15 (BSP_CPM_IRQ_LOWEST_OFFSET + 48) +#define BSP_CPM_IRQ_PC14 (BSP_CPM_IRQ_LOWEST_OFFSET + 49) +#define BSP_CPM_IRQ_PC13 (BSP_CPM_IRQ_LOWEST_OFFSET + 50) +#define BSP_CPM_IRQ_PC12 (BSP_CPM_IRQ_LOWEST_OFFSET + 51) +#define BSP_CPM_IRQ_PC11 (BSP_CPM_IRQ_LOWEST_OFFSET + 52) +#define BSP_CPM_IRQ_PC10 (BSP_CPM_IRQ_LOWEST_OFFSET + 53) +#define BSP_CPM_IRQ_PC9 (BSP_CPM_IRQ_LOWEST_OFFSET + 54) +#define BSP_CPM_IRQ_PC8 (BSP_CPM_IRQ_LOWEST_OFFSET + 55) +#define BSP_CPM_IRQ_PC7 (BSP_CPM_IRQ_LOWEST_OFFSET + 56) +#define BSP_CPM_IRQ_PC6 (BSP_CPM_IRQ_LOWEST_OFFSET + 57) +#define BSP_CPM_IRQ_PC5 (BSP_CPM_IRQ_LOWEST_OFFSET + 58) +#define BSP_CPM_IRQ_PC4 (BSP_CPM_IRQ_LOWEST_OFFSET + 59) +#define BSP_CPM_IRQ_PC3 (BSP_CPM_IRQ_LOWEST_OFFSET + 60) +#define BSP_CPM_IRQ_PC2 (BSP_CPM_IRQ_LOWEST_OFFSET + 61) +#define BSP_CPM_IRQ_PC1 (BSP_CPM_IRQ_LOWEST_OFFSET + 62) +#define BSP_CPM_IRQ_PC0 (BSP_CPM_IRQ_LOWEST_OFFSET + 63) /* * Some Processor exception handled as rtems IRQ symbolic name definition */ - BSP_DECREMENTER = BSP_PROCESSOR_IRQ_LOWEST_OFFSET, - BSP_PERIODIC_TIMER = BSP_DECREMENTER +#define BSP_DECREMENTER (BSP_PROCESSOR_IRQ_LOWEST_OFFSET) +#define BSP_PERIODIC_TIMER (BSP_DECREMENTER) -}rtems_irq_symbolic_name; #define CPM_INTERRUPT -/* - * Type definition for RTEMS managed interrupts - */ -typedef unsigned char rtems_irq_prio; -struct __rtems_irq_connect_data__; /* forward declaratiuon */ - -typedef void *rtems_irq_hdl_param; -typedef void (*rtems_irq_hdl) (rtems_irq_hdl_param); -typedef void (*rtems_irq_enable) (const struct __rtems_irq_connect_data__*); -typedef void (*rtems_irq_disable) (const struct __rtems_irq_connect_data__*); -typedef int (*rtems_irq_is_enabled) (const struct __rtems_irq_connect_data__*); - -typedef struct __rtems_irq_connect_data__ { - /* - * IRQ line - */ - rtems_irq_symbolic_name name; - /* - * handler. See comment on handler properties below in function prototype. - */ - rtems_irq_hdl hdl; - /* - * Handler handle to store private data - */ - rtems_irq_hdl_param handle; - /* - * function for enabling interrupts at device level (ONLY!). - * The BSP code will automatically enable it at SIU level and CPM level. - * RATIONALE : anyway such code has to exist in current driver code. - * It is usually called immediately AFTER connecting the interrupt handler. - * RTEMS may well need such a function when restoring normal interrupt - * processing after a debug session. - * - */ - rtems_irq_enable on; - /* - * function for disabling interrupts at device level (ONLY!). - * The code will disable it at SIU and CPM level. RATIONALE : anyway - * such code has to exist for clean shutdown. It is usually called - * BEFORE disconnecting the interrupt. RTEMS may well need such - * a function when disabling normal interrupt processing for - * a debug session. May well be a NOP function. - */ - rtems_irq_disable off; - /* - * function enabling to know what interrupt may currently occur - * if someone manipulates the i8259s interrupt mask without care... - */ - rtems_irq_is_enabled isOn; -} rtems_irq_connect_data; - -typedef struct { - /* - * size of all the table fields (*Tbl) described below. - */ - unsigned int irqNb; - /* - * Default handler used when disconnecting interrupts. - */ - rtems_irq_connect_data defaultEntry; - /* - * Table containing initials/current value. - */ - rtems_irq_connect_data* irqHdlTbl; - /* - * actual value of BSP_SIU_IRQ_VECTOR_BASE... - */ - rtems_irq_symbolic_name irqBase; - /* - * software priorities associated with interrupts. - * if irqPrio [i] > intrPrio [j] it means that - * interrupt handler hdl connected for interrupt name i - * will not be interrupted by the handler connected for interrupt j - * The interrupt source will be physically masked at i8259 level. - */ - rtems_irq_prio* irqPrioTbl; -}rtems_irq_global_settings; - /*-------------------------------------------------------------------------+ | Function Prototypes. +--------------------------------------------------------------------------*/ @@ -243,13 +163,13 @@ typedef struct { * this function, even if the device asserts the interrupt line it will * not be propagated further to the processor */ -int BSP_irq_disable_at_cpm (const rtems_irq_symbolic_name irqLine); +int BSP_irq_disable_at_cpm (const rtems_irq_number irqLine); /* * function to enable a particular irq. After calling * this function, if the device asserts the interrupt line it will * be propagated further to the processor */ -int BSP_irq_enable_at_cpm (const rtems_irq_symbolic_name irqLine); +int BSP_irq_enable_at_cpm (const rtems_irq_number irqLine); /* * function to acknoledge a particular irq. After calling * this function, if a device asserts an enabled interrupt line it will @@ -257,89 +177,11 @@ int BSP_irq_enable_at_cpm (const rtems_irq_symbolic_name irqLine); * writting raw handlers as this is automagically done for rtems managed * handlers. */ -int BSP_irq_ack_at_cpm (const rtems_irq_symbolic_name irqLine); +int BSP_irq_ack_at_cpm (const rtems_irq_number irqLine); /* * function to check if a particular irq is enabled. After calling */ -int BSP_irq_enabled_at_cpm (const rtems_irq_symbolic_name irqLine); - -/* - * ------------------------ RTEMS Single Irq Handler Mngt Routines ---------------- - */ -/* - * function to connect a particular irq handler. This hanlder will NOT be called - * directly as the result of the corresponding interrupt. Instead, a RTEMS - * irq prologue will be called that will : - * - * 1) save the C scratch registers, - * 2) switch to a interrupt stack if the interrupt is not nested, - * 4) modify them to disable the current interrupt at SIU level (and may - * be others depending on software priorities) - * 5) aknowledge the SIU', - * 6) demask the processor, - * 7) call the application handler - * - * As a result the hdl function provided - * - * a) can perfectly be written is C, - * b) may also well directly call the part of the RTEMS API that can be used - * from interrupt level, - * c) It only responsible for handling the jobs that need to be done at - * the device level including (aknowledging/re-enabling the interrupt at device, - * level, getting the data,...) - * - * When returning from the function, the following will be performed by - * the RTEMS irq epilogue : - * - * 1) masks the interrupts again, - * 2) restore the original SIU interrupt masks - * 3) switch back on the orinal stack if needed, - * 4) perform rescheduling when necessary, - * 5) restore the C scratch registers... - * 6) restore initial execution flow - * - */ -int BSP_install_rtems_irq_handler (const rtems_irq_connect_data*); -/* - * function to get the current RTEMS irq handler for ptr->name. It enables to - * define hanlder chain... - */ -int BSP_get_current_rtems_irq_handler (rtems_irq_connect_data* ptr); -/* - * function to get disconnect the RTEMS irq handler for ptr->name. - * This function checks that the value given is the current one for safety reason. - * The user can use the previous function to get it. - */ -int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data*); - -/* - * ------------------------ RTEMS Global Irq Handler Mngt Routines ---------------- - */ -/* - * (Re) Initialize the RTEMS interrupt management. - * - * The result of calling this function will be the same as if each individual - * handler (config->irqHdlTbl[i].hdl) different from "config->defaultEntry.hdl" - * has been individualy connected via - * BSP_install_rtems_irq_handler(&config->irqHdlTbl[i]) - * And each handler currently equal to config->defaultEntry.hdl - * has been previously disconnected via - * BSP_remove_rtems_irq_handler (&config->irqHdlTbl[i]) - * - * This is to say that all information given will be used and not just - * only the space. - * - * CAUTION : the various table address contained in config will be used - * directly by the interrupt mangement code in order to save - * data size so they must stay valid after the call => they should - * not be modified or declared on a stack. - */ - -int BSP_rtems_irq_mngt_set(rtems_irq_global_settings* config); -/* - * (Re) get info on current RTEMS interrupt management. - */ -int BSP_rtems_irq_mngt_get(rtems_irq_global_settings**); +int BSP_irq_enabled_at_cpm (const rtems_irq_number irqLine); extern void BSP_rtems_irq_mng_init(unsigned cpuId); |