summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/sparc/leon3/include/leon.h
diff options
context:
space:
mode:
Diffstat (limited to 'c/src/lib/libbsp/sparc/leon3/include/leon.h')
-rw-r--r--c/src/lib/libbsp/sparc/leon3/include/leon.h511
1 files changed, 0 insertions, 511 deletions
diff --git a/c/src/lib/libbsp/sparc/leon3/include/leon.h b/c/src/lib/libbsp/sparc/leon3/include/leon.h
deleted file mode 100644
index 758b760b0b..0000000000
--- a/c/src/lib/libbsp/sparc/leon3/include/leon.h
+++ /dev/null
@@ -1,511 +0,0 @@
-/**
- * @file
- * @ingroup sparc_leon3
- * @brief LEON3 BSP data types and macros
- */
-
-/* leon.h
- *
- * LEON3 BSP data types and macros.
- *
- * COPYRIGHT (c) 1989-1998.
- * On-Line Applications Research Corporation (OAR).
- *
- * Modified for LEON3 BSP.
- * COPYRIGHT (c) 2004.
- * Gaisler Research.
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#ifndef _INCLUDE_LEON_h
-#define _INCLUDE_LEON_h
-
-#include <rtems.h>
-#include <amba.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define LEON_INTERRUPT_EXTERNAL_1 5
-
-#ifndef ASM
-/*
- * Trap Types for on-chip peripherals
- *
- * Source: Table 8 - Interrupt Trap Type and Default Priority Assignments
- *
- * NOTE: The priority level for each source corresponds to the least
- * significant nibble of the trap type.
- */
-
-#define LEON_TRAP_TYPE( _source ) SPARC_ASYNCHRONOUS_TRAP((_source) + 0x10)
-
-#define LEON_TRAP_SOURCE( _trap ) ((_trap) - 0x10)
-
-#define LEON_INT_TRAP( _trap ) \
- ( (_trap) >= 0x11 && \
- (_trap) <= 0x1F )
-
-/* /\* */
-/* * This is used to manipulate the on-chip registers. */
-/* * */
-/* * The following symbol must be defined in the linkcmds file and point */
-/* * to the correct location. */
-/* *\/ */
-/* Leon uses dynamic register mapping using amba configuration records */
-/* LEON_Register_Map is obsolete */
-/* extern LEON_Register_Map LEON_REG; */
-
-#endif
-
-/*
- * The following defines the bits in Memory Configuration Register 1.
- */
-
-#define LEON_MEMORY_CONFIGURATION_PROM_SIZE_MASK 0x0003C000
-
-/*
- * The following defines the bits in Memory Configuration Register 1.
- */
-
-#define LEON_MEMORY_CONFIGURATION_RAM_SIZE_MASK 0x00001E00
-
-
-/*
- * The following defines the bits in the Timer Control Register.
- */
-
-#define LEON_REG_TIMER_CONTROL_EN 0x00000001 /* 1 = enable counting */
- /* 0 = hold scalar and counter */
-#define LEON_REG_TIMER_CONTROL_RL 0x00000002 /* 1 = reload at 0 */
- /* 0 = stop at 0 */
-#define LEON_REG_TIMER_CONTROL_LD 0x00000004 /* 1 = load counter */
- /* 0 = no function */
-
-/*
- * The following defines the bits in the UART Control Registers.
- */
-
-#define LEON_REG_UART_CONTROL_RTD 0x000000FF /* RX/TX data */
-
-/*
- * The following defines the bits in the LEON UART Status Register.
- */
-
-#define LEON_REG_UART_STATUS_DR 0x00000001 /* Data Ready */
-#define LEON_REG_UART_STATUS_TSE 0x00000002 /* TX Send Register Empty */
-#define LEON_REG_UART_STATUS_THE 0x00000004 /* TX Hold Register Empty */
-#define LEON_REG_UART_STATUS_BR 0x00000008 /* Break Error */
-#define LEON_REG_UART_STATUS_OE 0x00000010 /* RX Overrun Error */
-#define LEON_REG_UART_STATUS_PE 0x00000020 /* RX Parity Error */
-#define LEON_REG_UART_STATUS_FE 0x00000040 /* RX Framing Error */
-#define LEON_REG_UART_STATUS_TF 0x00000200 /* FIFO Full */
-#define LEON_REG_UART_STATUS_ERR 0x00000078 /* Error Mask */
-
-/*
- * The following defines the bits in the LEON UART Control Register.
- */
-
-#define LEON_REG_UART_CTRL_RE 0x00000001 /* Receiver enable */
-#define LEON_REG_UART_CTRL_TE 0x00000002 /* Transmitter enable */
-#define LEON_REG_UART_CTRL_RI 0x00000004 /* Receiver interrupt enable */
-#define LEON_REG_UART_CTRL_TI 0x00000008 /* Transmitter interrupt enable */
-#define LEON_REG_UART_CTRL_PS 0x00000010 /* Parity select */
-#define LEON_REG_UART_CTRL_PE 0x00000020 /* Parity enable */
-#define LEON_REG_UART_CTRL_FL 0x00000040 /* Flow control enable */
-#define LEON_REG_UART_CTRL_LB 0x00000080 /* Loop Back enable */
-#define LEON_REG_UART_CTRL_DB 0x00000800 /* Debug FIFO enable */
-#define LEON_REG_UART_CTRL_SI 0x00004000 /* TX shift register empty IRQ enable */
-#define LEON_REG_UART_CTRL_FA 0x80000000 /* FIFO Available */
-#define LEON_REG_UART_CTRL_FA_BIT 31
-
-/*
- * The following defines the bits in the LEON Cache Control Register.
- */
-#define LEON3_REG_CACHE_CTRL_FI 0x00200000 /* Flush instruction cache */
-#define LEON3_REG_CACHE_CTRL_DS 0x00800000 /* Data cache snooping */
-
-/* LEON3 Interrupt Controller */
-extern volatile struct irqmp_regs *LEON3_IrqCtrl_Regs;
-extern struct ambapp_dev *LEON3_IrqCtrl_Adev;
-
-/* LEON3 GP Timer */
-extern volatile struct gptimer_regs *LEON3_Timer_Regs;
-extern struct ambapp_dev *LEON3_Timer_Adev;
-
-/* LEON3 CPU Index of boot CPU */
-extern uint32_t LEON3_Cpu_Index;
-
-/* The external IRQ number, -1 if not external interrupts */
-extern int LEON3_IrqCtrl_EIrq;
-
-static __inline__ int bsp_irq_fixup(int irq)
-{
- int eirq, cpu;
-
- if (LEON3_IrqCtrl_EIrq != 0 && irq == LEON3_IrqCtrl_EIrq) {
- /* Get interrupt number from IRQ controller */
- cpu = _LEON3_Get_current_processor();
- eirq = LEON3_IrqCtrl_Regs->intid[cpu] & 0x1f;
- if (eirq & 0x10)
- irq = eirq;
- }
-
- return irq;
-}
-
-/* Macros used for manipulating bits in LEON3 GP Timer Control Register */
-
-#define LEON3_IRQMPSTATUS_CPUNR 28
-#define LEON3_IRQMPSTATUS_BROADCAST 27
-
-
-#ifndef ASM
-
-/*
- * Macros to manipulate the Interrupt Clear, Interrupt Force, Interrupt Mask,
- * and the Interrupt Pending Registers.
- *
- * NOTE: For operations which are not atomic, this code disables interrupts
- * to guarantee there are no intervening accesses to the same register.
- * The operations which read the register, modify the value and then
- * store the result back are vulnerable.
- */
-
-extern rtems_interrupt_lock LEON3_IrqCtrl_Lock;
-
-#define LEON3_IRQCTRL_ACQUIRE( _lock_context ) \
- rtems_interrupt_lock_acquire( &LEON3_IrqCtrl_Lock, _lock_context )
-
-#define LEON3_IRQCTRL_RELEASE( _lock_context ) \
- rtems_interrupt_lock_release( &LEON3_IrqCtrl_Lock, _lock_context )
-
-#define LEON_Clear_interrupt( _source ) \
- do { \
- LEON3_IrqCtrl_Regs->iclear = (1U << (_source)); \
- } while (0)
-
-#define LEON_Force_interrupt( _source ) \
- do { \
- LEON3_IrqCtrl_Regs->iforce = (1U << (_source)); \
- } while (0)
-
-#define LEON_Enable_interrupt_broadcast( _source ) \
- do { \
- rtems_interrupt_lock_context _lock_context; \
- uint32_t _mask = 1U << ( _source ); \
- LEON3_IRQCTRL_ACQUIRE( &_lock_context ); \
- LEON3_IrqCtrl_Regs->bcast |= _mask; \
- LEON3_IRQCTRL_RELEASE( &_lock_context ); \
- } while (0)
-
-#define LEON_Disable_interrupt_broadcast( _source ) \
- do { \
- rtems_interrupt_lock_context _lock_context; \
- uint32_t _mask = 1U << ( _source ); \
- LEON3_IRQCTRL_ACQUIRE( &_lock_context ); \
- LEON3_IrqCtrl_Regs->bcast &= ~_mask; \
- LEON3_IRQCTRL_RELEASE( &_lock_context ); \
- } while (0)
-
-#define LEON_Is_interrupt_pending( _source ) \
- (LEON3_IrqCtrl_Regs->ipend & (1U << (_source)))
-
-#define LEON_Cpu_Is_interrupt_masked( _source, _cpu ) \
- (!(LEON3_IrqCtrl_Regs->mask[_cpu] & (1U << (_source))))
-
-#define LEON_Cpu_Mask_interrupt( _source, _cpu ) \
- do { \
- rtems_interrupt_lock_context _lock_context; \
- LEON3_IRQCTRL_ACQUIRE( &_lock_context ); \
- LEON3_IrqCtrl_Regs->mask[_cpu] &= ~(1U << (_source)); \
- LEON3_IRQCTRL_RELEASE( &_lock_context ); \
- } while (0)
-
-#define LEON_Cpu_Unmask_interrupt( _source, _cpu ) \
- do { \
- rtems_interrupt_lock_context _lock_context; \
- LEON3_IRQCTRL_ACQUIRE( &_lock_context ); \
- LEON3_IrqCtrl_Regs->mask[_cpu] |= (1U << (_source)); \
- LEON3_IRQCTRL_RELEASE( &_lock_context ); \
- } while (0)
-
-#define LEON_Cpu_Disable_interrupt( _source, _previous, _cpu ) \
- do { \
- rtems_interrupt_lock_context _lock_context; \
- uint32_t _mask = 1U << (_source); \
- LEON3_IRQCTRL_ACQUIRE( &_lock_context ); \
- (_previous) = LEON3_IrqCtrl_Regs->mask[_cpu]; \
- LEON3_IrqCtrl_Regs->mask[_cpu] = _previous & ~_mask; \
- LEON3_IRQCTRL_RELEASE( &_lock_context ); \
- (_previous) &= _mask; \
- } while (0)
-
-#define LEON_Cpu_Restore_interrupt( _source, _previous, _cpu ) \
- do { \
- rtems_interrupt_lock_context _lock_context; \
- uint32_t _mask = 1U << (_source); \
- LEON3_IRQCTRL_ACQUIRE( &_lock_context ); \
- LEON3_IrqCtrl_Regs->mask[_cpu] = \
- (LEON3_IrqCtrl_Regs->mask[_cpu] & ~_mask) | (_previous); \
- LEON3_IRQCTRL_RELEASE( &_lock_context ); \
- } while (0)
-
-/* Map single-cpu operations to local CPU */
-#define LEON_Is_interrupt_masked( _source ) \
- LEON_Cpu_Is_interrupt_masked(_source, _LEON3_Get_current_processor())
-
-#define LEON_Mask_interrupt(_source) \
- LEON_Cpu_Mask_interrupt(_source, _LEON3_Get_current_processor())
-
-#define LEON_Unmask_interrupt(_source) \
- LEON_Cpu_Unmask_interrupt(_source, _LEON3_Get_current_processor())
-
-#define LEON_Disable_interrupt(_source, _previous) \
- LEON_Cpu_Disable_interrupt(_source, _previous, _LEON3_Get_current_processor())
-
-#define LEON_Restore_interrupt(_source, _previous) \
- LEON_Cpu_Restore_interrupt(_source, _previous, _LEON3_Get_current_processor())
-
-/* Make all SPARC BSPs have common macros for interrupt handling */
-#define BSP_Clear_interrupt(_source) LEON_Clear_interrupt(_source)
-#define BSP_Force_interrupt(_source) LEON_Force_interrupt(_source)
-#define BSP_Is_interrupt_pending(_source) LEON_Is_interrupt_pending(_source)
-#define BSP_Is_interrupt_masked(_source) LEON_Is_interrupt_masked(_source)
-#define BSP_Unmask_interrupt(_source) LEON_Unmask_interrupt(_source)
-#define BSP_Mask_interrupt(_source) LEON_Mask_interrupt(_source)
-#define BSP_Disable_interrupt(_source, _previous) \
- LEON_Disable_interrupt(_source, _prev)
-#define BSP_Restore_interrupt(_source, _previous) \
- LEON_Restore_interrupt(_source, _previous)
-
-/* Make all SPARC BSPs have common macros for interrupt handling on any CPU */
-#define BSP_Cpu_Is_interrupt_masked(_source, _cpu) \
- LEON_Cpu_Is_interrupt_masked(_source, _cpu)
-#define BSP_Cpu_Unmask_interrupt(_source, _cpu) \
- LEON_Cpu_Unmask_interrupt(_source, _cpu)
-#define BSP_Cpu_Mask_interrupt(_source, _cpu) \
- LEON_Cpu_Mask_interrupt(_source, _cpu)
-#define BSP_Cpu_Disable_interrupt(_source, _previous, _cpu) \
- LEON_Cpu_Disable_interrupt(_source, _prev, _cpu)
-#define BSP_Cpu_Restore_interrupt(_source, _previous, _cpu) \
- LEON_Cpu_Restore_interrupt(_source, _previous, _cpu)
-
-/*
- * Each timer control register is organized as follows:
- *
- * D0 - Enable
- * 1 = enable counting
- * 0 = hold scaler and counter
- *
- * D1 - Counter Reload
- * 1 = reload counter at zero and restart
- * 0 = stop counter at zero
- *
- * D2 - Counter Load
- * 1 = load counter with preset value
- * 0 = no function
- *
- */
-
-#define LEON_REG_TIMER_COUNTER_RELOAD_AT_ZERO 0x00000002
-#define LEON_REG_TIMER_COUNTER_STOP_AT_ZERO 0x00000000
-
-#define LEON_REG_TIMER_COUNTER_LOAD_COUNTER 0x00000004
-
-#define LEON_REG_TIMER_COUNTER_ENABLE_COUNTING 0x00000001
-#define LEON_REG_TIMER_COUNTER_DISABLE_COUNTING 0x00000000
-
-#define LEON_REG_TIMER_COUNTER_RELOAD_MASK 0x00000002
-#define LEON_REG_TIMER_COUNTER_ENABLE_MASK 0x00000001
-
-#define LEON_REG_TIMER_COUNTER_DEFINED_MASK 0x00000003
-#define LEON_REG_TIMER_COUNTER_CURRENT_MODE_MASK 0x00000003
-
-#if defined(RTEMS_MULTIPROCESSING)
- #define LEON3_CLOCK_INDEX \
- (rtems_configuration_get_user_multiprocessing_table() ? LEON3_Cpu_Index : 0)
-#else
- #define LEON3_CLOCK_INDEX 0
-#endif
-
-/*
- * We assume that a boot loader (usually GRMON) initialized the GPTIMER 0 to
- * run with 1MHz. This is used to determine all clock frequencies of the PnP
- * devices. See also ambapp_freq_init() and ambapp_freq_get().
- */
-#define LEON3_GPTIMER_0_FREQUENCY_SET_BY_BOOT_LOADER 1000000
-
-/* Load 32-bit word by forcing a cache-miss */
-static inline unsigned int leon_r32_no_cache(uintptr_t addr)
-{
- unsigned int tmp;
- __asm__ volatile (" lda [%1] 1, %0\n" : "=r"(tmp) : "r"(addr));
- return tmp;
-}
-
-/* Let user override which on-chip APBUART will be debug UART
- * 0 = Default APBUART. On MP system CPU0=APBUART0, CPU1=APBUART1...
- * 1 = APBUART[0]
- * 2 = APBUART[1]
- * 3 = APBUART[2]
- * ...
- */
-extern int syscon_uart_index;
-
-/* Let user override which on-chip APBUART will be debug UART
- * 0 = Default APBUART. On MP system CPU0=APBUART0, CPU1=APBUART1...
- * 1 = APBUART[0]
- * 2 = APBUART[1]
- * 3 = APBUART[2]
- * ...
- */
-extern int leon3_debug_uart_index;
-
-/* Let user override which on-chip TIMER core will be used for system clock
- * timer. This controls which timer core will be accociated with
- * LEON3_Timer_Regs registers base address. This value will by destroyed during
- * initialization.
- * 0 = Default configuration. GPTIMER[0]
- * 1 = GPTIMER[1]
- * 2 = GPTIMER[2]
- * ...
- */
-extern int leon3_timer_core_index;
-
-/* Let user override system clock timer prescaler. This affects all timer
- * instances on the system clock timer core determined by
- * leon3_timer_core_index.
- * 0 = Default configuration. Use bootloader configured value.
- * N = Prescaler is set to N. N must not be less that number of timers.
- * 8 = Prescaler is set to 8 (the fastest prescaler possible on all HW)
- * ...
- */
-extern unsigned int leon3_timer_prescaler;
-
-/* GRLIB extended IRQ controller register */
-void leon3_ext_irq_init(void);
-
-void leon3_power_down_loop(void) RTEMS_NO_RETURN;
-
-static inline uint32_t leon3_get_cpu_count(
- volatile struct irqmp_regs *irqmp
-)
-{
- uint32_t mpstat = irqmp->mpstat;
-
- return ((mpstat >> LEON3_IRQMPSTATUS_CPUNR) & 0xf) + 1;
-}
-
-static inline void leon3_set_system_register(uint32_t addr, uint32_t val)
-{
- __asm__ volatile(
- "sta %1, [%0] 2"
- :
- : "r" (addr), "r" (val)
- );
-}
-
-static inline uint32_t leon3_get_system_register(uint32_t addr)
-{
- uint32_t val;
-
- __asm__ volatile(
- "lda [%1] 2, %0"
- : "=r" (val)
- : "r" (addr)
- );
-
- return val;
-}
-
-static inline void leon3_set_cache_control_register(uint32_t val)
-{
- leon3_set_system_register(0x0, val);
-}
-
-static inline uint32_t leon3_get_cache_control_register(void)
-{
- return leon3_get_system_register(0x0);
-}
-
-static inline bool leon3_data_cache_snooping_enabled(void)
-{
- return leon3_get_cache_control_register() & LEON3_REG_CACHE_CTRL_DS;
-}
-
-static inline uint32_t leon3_get_inst_cache_config_register(void)
-{
- return leon3_get_system_register(0x8);
-}
-
-static inline uint32_t leon3_get_data_cache_config_register(void)
-{
- return leon3_get_system_register(0xc);
-}
-
-static inline bool leon3_irqmp_has_timestamp(
- volatile struct irqmp_timestamp_regs *irqmp_ts
-)
-{
- return (irqmp_ts->control >> 27) > 0;
-}
-
-static inline uint32_t leon3_up_counter_low(void)
-{
- uint32_t asr23;
-
- __asm__ volatile (
- "mov %%asr23, %0"
- : "=&r" (asr23)
- );
-
- return asr23;
-}
-
-static inline uint32_t leon3_up_counter_high(void)
-{
- uint32_t asr22;
-
- __asm__ volatile (
- "mov %%asr22, %0"
- : "=&r" (asr22)
- );
-
- return asr22;
-}
-
-static inline void leon3_up_counter_enable(void)
-{
- __asm__ volatile (
- "mov %g0, %asr22"
- );
-}
-
-static inline bool leon3_up_counter_is_available(void)
-{
- return leon3_up_counter_low() != leon3_up_counter_low();
-}
-
-static inline uint32_t leon3_up_counter_frequency(void)
-{
- /*
- * For simplicity, assume that the interrupt controller uses the processor
- * clock. This is at least true on the GR740.
- */
- return ambapp_freq_get(&ambapp_plb, LEON3_IrqCtrl_Adev);
-}
-
-#endif /* !ASM */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* !_INCLUDE_LEON_h */
-/* end of include file */
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-04 10:05:00 +0000