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Diffstat (limited to 'libgloss/sparc_leon/asm-leon/leon.h')
| -rw-r--r-- | libgloss/sparc_leon/asm-leon/leon.h | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/libgloss/sparc_leon/asm-leon/leon.h b/libgloss/sparc_leon/asm-leon/leon.h deleted file mode 100644 index 8c13a1bb8..000000000 --- a/libgloss/sparc_leon/asm-leon/leon.h +++ /dev/null @@ -1,370 +0,0 @@ -/* - * Copyright (c) 2011 Aeroflex Gaisler - * - * BSD license: - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - - -#ifndef _INCLUDE_LEON_h -#define _INCLUDE_LEON_h - -#include <asm-leon/leon3.h> -#include <asm-leon/amba.h> - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* psr defines */ -#define SPARC_PSR_WIN_MASK 0x0000001f /* bit 0-4 */ -#define SPARC_PSR_ET_MASK 0x00000020 /* bit 5 */ -#define SPARC_PSR_PS_MASK 0x00000040 /* bit 6 */ -#define SPARC_PSR_S_MASK 0x00000080 /* bit 7 */ -#define SPARC_PSR_PIL_MASK 0x00000F00 /* bits 8 - 11 */ -#define SPARC_PSR_EF_MASK 0x00001000 /* bit 12 */ -#define SPARC_PSR_EC_MASK 0x00002000 /* bit 13 */ -#define SPARC_PSR_ICC_MASK 0x00F00000 /* bits 20 - 23 */ -#define SPARC_PSR_VER_MASK 0x0F000000 /* bits 24 - 27 */ -#define SPARC_PSR_IMPL_MASK 0xF0000000 /* bits 28 - 31 */ -#define SPARC_PSR_PIL_SHIFT 8 - -#define SPARC_NUM_REGWIN _nwindows - -#ifndef __ASSEMBLER__ - extern int _nwindows; - extern int _leon_version; -#endif - -#define LEON_VERSION _leon_version - -/* - * Interrupt Sources - * - * The interrupt source numbers directly map to the trap type and to - * the bits used in the Interrupt Clear, Interrupt Force, Interrupt Mask, - * and the Interrupt Pending Registers. - */ - -#define LEON_INTERRUPT_CORRECTABLE_MEMORY_ERROR 1 -#define LEON2_INTERRUPT_UART_2_RX_TX 2 -#define LEON2_INTERRUPT_UART_1_RX_TX 3 -#define LEON23_INTERRUPT_UART_2_RX_TX leon23_irqs[1] /*console.c */ -#define LEON23_INTERRUPT_UART_1_RX_TX leon23_irqs[0] /*console.c */ -#define LEON_INTERRUPT_EXTERNAL_0 4 -#define LEON_INTERRUPT_EXTERNAL_1 5 -#define LEON_INTERRUPT_EXTERNAL_2 6 -#define LEON_INTERRUPT_EXTERNAL_3 7 -#define LEON2_INTERRUPT_TIMER1 8 -#define LEON2_INTERRUPT_TIMER2 9 -#define LEON23_INTERRUPT_TIMER1 leon23_timerirqs[0] /* timer.c */ -#define LEON23_INTERRUPT_TIMER2 leon23_timerirqs[1] /* timer.c */ -#define LEON_INTERRUPT_EMPTY1 10 -#define LEON_INTERRUPT_EMPTY2 11 -#define LEON_INTERRUPT_EMPTY3 12 -#define LEON_INTERRUPT_EMPTY4 13 -#define LEON_INTERRUPT_EMPTY5 14 -#define LEON_INTERRUPT_EMPTY6 15 - -#ifndef __ASSEMBLER__ - -/* - * 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) >= LEON_TRAP_TYPE( LEON_INTERRUPT_CORRECTABLE_MEMORY_ERROR ) && \ - (_trap) <= LEON_TRAP_TYPE( LEON_INTERRUPT_EMPTY6 ) ) - - -#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 Registers. - */ - -#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_ERR 0x00000078 /* Error Mask */ - - -/* - * The following defines the bits in the LEON UART Status Registers. - */ - -#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 */ - -/* leon2 asis */ -#define ASI_LEON2_IFLUSH 0x05 -#define ASI_LEON2_DFLUSH 0x06 -#define ASI_LEON2_CACHEMISS 1 - -/* leon3 asis */ -#define ASI_LEON3_IFLUSH 0x10 -#define ASI_LEON3_DFLUSH 0x11 -#define ASI_LEON3_CACHEMISS 1 -#define ASI_LEON3_SYSCTRL 0x02 - -#define ASI_LEON23_ITAG 0x0c -#define ASI_LEON23_DTAG 0x0e - - -#ifndef __ASSEMBLER__ - - unsigned int leonbare_leon23_loadnocache (unsigned int addr); - unsigned int leonbare_leon23_loadnocache16 (unsigned int addr); - unsigned int leonbare_leon23_loadnocache8 (unsigned int addr); - unsigned int leonbare_leon23_storenocache (unsigned int addr, - unsigned int value); - unsigned int leonbare_leon23_storenocache16 (unsigned int addr, - unsigned int value); - unsigned int leonbare_leon23_storenocache8 (unsigned int addr, - unsigned int value); - - unsigned int leonbare_leon3_loadnocache (unsigned int addr); - unsigned int leonbare_leon3_loadnocache16 (unsigned int addr); - unsigned int leonbare_leon3_loadnocache8 (unsigned int addr); - - -/* - * 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. - */ - - extern unsigned long *LEON23_IRQ_mask_addr; /* in peripherals.h */ - extern unsigned long *LEON23_IRQ_force_addr; /* in peripherals.h */ - extern unsigned long *LEON23_IRQ_pending_addr; /* in peripherals.h */ - extern unsigned long *LEON23_IRQ_clear_addr; /* in peripherals.h */ - -/* - * 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. - */ - -#define LEON_Clear_interrupt( _source ) \ - do { \ - (*LEON23_IRQ_clear_addr) = (1 << (_source)); \ - } while (0) - -#define LEON_Force_interrupt( _source ) \ - do { \ - (*LEON23_IRQ_force_addr) = (1 << (_source)); \ - } while (0) - -#define LEON_Is_interrupt_masked( _source ) \ - ((*LEON23_IRQ_mask_addr) & (1 << (_source))) - -#define LEON_Mask_interrupt( _source ) \ - do { \ - unsigned32 _level; \ - \ - _level = sparc_disable_interrupts(); \ - (*LEON23_IRQ_mask_addr) &= ~(1 << (_source)); \ - sparc_enable_interrupts( _level ); \ - } while (0) - -#define LEON_Unmask_interrupt( _source ) \ - do { \ - unsigned32 _level; \ - \ - _level = sparc_disable_interrupts(); \ - (*LEON23_IRQ_mask_addr) |= (1 << (_source)); \ - sparc_enable_interrupts( _level ); \ - } while (0) - -#define LEON_Disable_interrupt( _source, _previous ) \ - do { \ - unsigned32 _level; \ - unsigned32 _mask = 1 << (_source); \ - \ - _level = sparc_disable_interrupts(); \ - (_previous) = (*LEON23_IRQ_mask_addr); \ - (*LEON23_IRQ_mask_addr) = _previous & ~_mask; \ - sparc_enable_interrupts( _level ); \ - (_previous) &= _mask; \ - } while (0) - -#define LEON_Restore_interrupt( _source, _previous ) \ - do { \ - unsigned32 _level; \ - unsigned32 _mask = 1 << (_source); \ - \ - _level = sparc_disable_interrupts(); \ - (*LEON23_IRQ_mask_addr) = \ - ((*LEON23_IRQ_mask_addr) & ~_mask) | (_previous); \ - sparc_enable_interrupts( _level ); \ - } while (0) - -/* - * 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_IRQEN 0x00000008 - -#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 - -/* console.c */ - int lo_sprintf (char *buf, const char *fmt, ...); - -/* do a virtual address read without cache */ - static __inline__ unsigned long leon23_getpsr () - { - unsigned long retval; - __asm__ __volatile__ ("mov %%psr, %0\n\t":"=r" (retval):); - return retval; - } - - extern __inline__ void sparc_leon2_dcache_flush (void) - { - __asm__ - __volatile__ ("sta %%g0, [%%g0] %0\n\t"::"i" - (ASI_LEON2_IFLUSH):"memory"); - __asm__ - __volatile__ ("sta %%g0, [%%g0] %0\n\t"::"i" - (ASI_LEON2_DFLUSH):"memory"); - }; - - - extern __inline__ void sparc_leon_dcache_flush (void) - { - switch (sparc_leon23_get_psr_version ()) - { - case 0: - case 2: - sparc_leon2_dcache_flush (); - break; - default: - sparc_leon3_dcache_flush (); - break; - } - } - - extern int lolevelirqinstall (int irqnr, void (*handler) ()); - extern unsigned long locore_readtbr (); - extern void _leonbase_Stop (); - - extern void uninstall_winoverflow_hook (); - extern int install_winoverflow_hook (void (*func) (void)); - - extern void sparc_leon23_icache_flush (); - extern void sparc_leon23_dcache_flush (); - -#endif /* ! __ASSEMBLER__ */ - -#ifdef __cplusplus -} -#endif - -#define TACODE_IRQCALL 2 -#define TACODE_IRQCALL_FLUSH 6 - -#define TACODE_FLUSH 3 -#define TACODE_IRQCALLDIS 5 - - - -#endif /* !_INCLUDE_LEON_h */ -/* end of include file */ |