Merged nuttx/arch/master into atmega2560
This commit is contained in:
commit
0d684a42e4
arch
avr
include
src
mips/src
@ -94,6 +94,7 @@
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#define AT90USB_IRQ_SPMRDY 36 /* 0x004a Store Program Memory Ready */
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#define NR_IRQS 37
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#define AVR_PC_SIZE 16
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#define XCPTCONTEXT_REGS 37 /* Size of the register state save array (in bytes) */
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/****************************************************************************
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@ -93,7 +93,7 @@
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# define ATMEGA_IRQ_SPMRDY 33 /* 0x0044 Store Program Memory Ready */
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# define NR_IRQS 34
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# define ATMEGA_PC_SIZE 16
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# define AVR_PC_SIZE 16
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# define XCPTCONTEXT_REGS 37 /* Size of the register state save array (in bytes) */
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#elif defined(CONFIG_ARCH_CHIP_ATMEGA1284P)
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@ -134,7 +134,7 @@
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# define ATMEGA_IRQ_T3OVF 33 /* 0x0044 TIMER3 OVF Timer/Counter3 Overflow */
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# define NR_IRQS 34
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# define ATMEGA_PC_SIZE 16
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# define AVR_PC_SIZE 16
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# define XCPTCONTEXT_REGS 37 /* Size of the register state save array (in bytes) */
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#elif defined(CONFIG_ARCH_CHIP_ATMEGA2560)
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@ -197,7 +197,7 @@
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# define ATMEGA_IRQ_USART3_TXC 57 /* 0x0070 USART3 TX USART3 Tx Complete */
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# define NR_IRQS 58
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# define ATMEGA_PC_SIZE 24
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# define AVR_PC_SIZE 24
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# define XCPTCONTEXT_REGS 38 /* Size of the register state save array (in bytes) */
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#else
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@ -34,7 +34,7 @@
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****************************************************************************/
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/* This file should never be included directed but, rather, only indirectly
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* through nuttx/irq.h
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* through nuttx/irq.h.
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*/
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#ifndef __ARCH_AVR_INCLUDE_AVR_IRQ_H
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@ -93,7 +93,7 @@
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#define REG_PC0 35 /* PC */
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#define REG_PC1 36
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#if ATMEGA_PC_SIZE > 16
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#if AVR_PC_SIZE > 16
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# define REG_PC2 37
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#endif
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@ -86,6 +86,7 @@
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#define XMEGA_IRQ_USB xx /* 0x00fa USB on port D Interrupt base */
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#define NR_IRQS xx
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#define AVR_PC_SIZE xx
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/****************************************************************************
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* Public Types
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@ -39,7 +39,7 @@ config AVR_USART1
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endmenu # ATMega Peripheral Selections
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menu "Low level UART driver options"
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menu "Low level USART driver options"
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depends on AVR_USART0 || AVR_USART1
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config SERIAL_TERMIOS
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@ -77,41 +77,43 @@
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* AVR_DBLSPEED_UBRR1 = 104 (rounded), actual baud = 9615
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*/
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#undef UART0_DOUBLE_SPEED
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#undef USART0_DOUBLE_SPEED
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#ifdef CONFIG_AVR_USART0
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# if BOARD_CPU_CLOCK <= 4000000
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# if CONFIG_USART0_BAUD <= 9600
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# define AVR_UBRR0 AVR_NORMAL_UBRR0
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# else
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# define AVR_UBRR0 AVR_DBLSPEED_UBRR0
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# define UART0_DOUBLE_SPEED 1
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# define USART0_DOUBLE_SPEED 1
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# endif
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# elif BOARD_CPU_CLOCK <= 8000000
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# if CONFIG_USART0_BAUD <= 19200
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# define AVR_UBRR0 AVR_NORMAL_UBRR0
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# else
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# define AVR_UBRR0 AVR_DBLSPEED_UBRR0
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# define UART0_DOUBLE_SPEED 1
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# define USART0_DOUBLE_SPEED 1
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# endif
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# elif BOARD_CPU_CLOCK <= 12000000
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# if CONFIG_USART0_BAUD <= 28800
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# define AVR_UBRR0 AVR_NORMAL_UBRR0
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# else
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# define AVR_UBRR0 AVR_DBLSPEED_UBRR0
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# define UART0_DOUBLE_SPEED 1
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# define USART0_DOUBLE_SPEED 1
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# endif
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# elif BOARD_CPU_CLOCK <= 16000000
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# if CONFIG_USART0_BAUD <= 38400
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# define AVR_UBRR0 AVR_NORMAL_UBRR0
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# else
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# define AVR_UBRR0 AVR_DBLSPEED_UBRR0
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# define UART0_DOUBLE_SPEED 1
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# define USART0_DOUBLE_SPEED 1
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# endif
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# else
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# if CONFIG_USART0_BAUD <= 57600
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# define AVR_UBRR0 AVR_NORMAL_UBRR0
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# else
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# define AVR_UBRR0 AVR_DBLSPEED_UBRR0
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# define UART0_DOUBLE_SPEED 1
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# define USART0_DOUBLE_SPEED 1
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# endif
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# endif
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#endif
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@ -137,41 +139,43 @@
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* AVR_DBLSPEED_UBRR1 = 104 (rounded), actual baud = 9615
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*/
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#undef UART1_DOUBLE_SPEED
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#undef USART1_DOUBLE_SPEED
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#ifdef CONFIG_AVR_USART1
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# if BOARD_CPU_CLOCK <= 4000000
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# if CONFIG_USART1_BAUD <= 9600
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define UART1_DOUBLE_SPEED 1
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# define USART1_DOUBLE_SPEED 1
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# endif
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# elif BOARD_CPU_CLOCK <= 8000000
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# if CONFIG_USART1_BAUD <= 19200
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define UART1_DOUBLE_SPEED 1
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# define USART1_DOUBLE_SPEED 1
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# endif
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# elif BOARD_CPU_CLOCK <= 12000000
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# if CONFIG_USART1_BAUD <= 28800
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define UART1_DOUBLE_SPEED 1
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# define USART1_DOUBLE_SPEED 1
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# endif
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# elif BOARD_CPU_CLOCK <= 16000000
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# if CONFIG_USART1_BAUD <= 38400
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define UART1_DOUBLE_SPEED 1
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# define USART1_DOUBLE_SPEED 1
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# endif
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# else
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# if CONFIG_USART1_BAUD <= 57600
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# define AVR_UBRR1 AVR_NORMAL_UBRR1
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# else
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# define AVR_UBRR1 AVR_DBLSPEED_UBRR1
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# define UART1_DOUBLE_SPEED 1
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# define USART1_DOUBLE_SPEED 1
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# endif
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# endif
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#endif
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@ -270,7 +274,7 @@ void usart0_configure(void)
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/* Select normal or double speed. */
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#ifdef UART0_DOUBLE_SPEED
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#ifdef USART0_DOUBLE_SPEED
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UCSR0A = (1 << U2X0);
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#else
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UCSR0A = 0;
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@ -324,7 +328,7 @@ void usart0_configure(void)
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* USART0 forces this pin to be an input, a logical one in PORTD0 will
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* turn on the internal pull-up.
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*
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* Port D, Bit 1: TXD0, UART0 Transmit pin.
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* Port D, Bit 1: TXD0, USART0 Transmit pin.
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*/
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DDRD |= (1 << 1); /* Force Port D pin 1 to be an output -- should not be necessary */
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@ -340,7 +344,7 @@ void usart0_configure(void)
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* USART0 forces this pin to be an input, a logical one in PORTE0 will
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* turn on the internal pull-up.
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*
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* Port E, Bit 1: TXD0, UART0 Transmit pin.
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* Port E, Bit 1: TXD0, USART0 Transmit pin.
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*
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* REVISIT: According to table 41, TXD0 is also automatically configured.
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* However, this is not explicitly stated in the text.
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@ -365,7 +369,7 @@ void usart1_configure(void)
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/* Select normal or double speed. */
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#ifdef UART1_DOUBLE_SPEED
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#ifdef USART1_DOUBLE_SPEED
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UCSR1A = (1 << U2X1);
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#else
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UCSR1A = 0;
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@ -335,9 +335,9 @@
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/* Pop the return address from the stack (PC0 then PC1). R18:19 are Call-used */
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#if ATMEGA_PC_SIZE > 16
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#if AVR_PC_SIZE > 16
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pop r20
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#endif /* ATMEGA_PC_SIZE */
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#endif /* AVR_PC_SIZE */
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pop r19
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pop r18
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@ -402,9 +402,9 @@
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/* Save the return address that we have saved in r18:19*/
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#if ATMEGA_PC_SIZE > 16
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#if AVR_PC_SIZE > 16
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st x+, r20
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#endif /* ATMEGA_PC_SIZE */
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#endif /* AVR_PC_SIZE */
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st x+, r19
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st x+, r18
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.endm
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@ -435,7 +435,7 @@
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*/
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movw r28, r26 /* Get a pointer to the PC0/PC1 storage location */
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#if ATMEGA_PC_SIZE <= 16
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#if AVR_PC_SIZE <= 16
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adiw r28, REG_PC0
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#else
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adiw r28, REG_PC2
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@ -457,7 +457,7 @@
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* --- <- SP
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*/
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#if ATMEGA_PC_SIZE <= 16
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#if AVR_PC_SIZE <= 16
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ld r25, y+ /* Load PC0 (r25) then PC1 (r24) */
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ld r24, y+
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push r24 /* Push PC0 and PC1 on the stack (PC1 then PC0) */
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@ -72,7 +72,7 @@
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* my_exception:
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* EXCPT_PROLOGUE t0 - Save registers on stack, enable nested interrupts
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* move a0, sp - Pass register save structure as the parameter 1
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* USE_INTSTACK t0, t1, t2 - Switch to the interrupt stack
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* USE_INTSTACK t0, t1, t2, t3 - Switch to the interrupt stack
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* jal handler - Handle the exception IN=old regs OUT=new regs
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* di - Disable interrupts
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* RESTORE_STACK t0, t1 - Undo the operations of USE_STACK
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@ -368,7 +368,7 @@
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*
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* On Entry:
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* sp - Current value of the user stack pointer
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* tmp1, tmp2, and tmp3 are registers that can be used temporarily.
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* tmp1, tmp2, tmp3, and tmp4 are registers that can be used temporarily.
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* All interrupts should still be disabled.
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*
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* At completion:
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@ -378,7 +378,7 @@
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*
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********************************************************************************************/
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.macro USE_INTSTACK, tmp1, tmp2, tmp3
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.macro USE_INTSTACK, tmp1, tmp2, tmp3, tmp4
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#if CONFIG_ARCH_INTERRUPTSTACK > 3
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#ifdef CONFIG_PIC32MX_NESTED_INTERRUPTS
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@ -398,9 +398,9 @@
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*/
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la \tmp3, g_intstackbase
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lw \tmp, (\tmp3)
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sw sp, (\tmp3)
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move sp, \tmp3
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lw \tmp4, (\tmp3)
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sw sp, (\tmp4)
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move sp, \tmp4
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#ifdef CONFIG_PIC32MX_NESTED_INTERRUPTS
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1:
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@ -490,7 +490,7 @@ __start:
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_exception_handler:
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EXCPT_PROLOGUE t0 /* Save registers on stack, enable nested interrupts */
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move a0, sp /* Pass register save structure as the parameter 1 */
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USE_INTSTACK t0, t1, t2 /* Switch to the interrupt stack */
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USE_INTSTACK t0, t1, t2, t3 /* Switch to the interrupt stack */
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la t0, pic32mx_exception /* Call pic32mx_exception(regs) */
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jalr ra, t0
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nop
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@ -515,7 +515,7 @@ _exception_handler:
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_int_handler:
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EXCPT_PROLOGUE t0 /* Save registers on stack, enable nested interrupts */
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move a0, sp /* Pass register save structure as the parameter 1 */
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USE_INTSTACK t0, t1, t2 /* Switch to the interrupt stack */
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USE_INTSTACK t0, t1, t2, t3 /* Switch to the interrupt stack */
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la t0, pic32mx_decodeirq /* Call pic32mx_decodeirq(regs) */
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jalr ra, t0
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nop
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@ -541,7 +541,7 @@ _int_handler:
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_nmi_handler:
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EXCPT_PROLOGUE t0 /* Save registers on stack, enable nested interrupts */
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move a0, sp /* Pass register save structure as the parameter 1 */
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USE_INTSTACK t0, t1, t2 /* Switch to the interrupt stack */
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USE_INTSTACK t0, t1, t2, t3 /* Switch to the interrupt stack */
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la t0, pic32mx_donmi /* Call up_donmi(regs) */
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jalr ra, t0
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nop
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@ -72,7 +72,7 @@
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* my_exception:
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* EXCPT_PROLOGUE t0 - Save registers on stack, enable nested interrupts
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* move a0, sp - Pass register save structure as the parameter 1
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* USE_INTSTACK t0, t1, t2 - Switch to the interrupt stack
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* USE_INTSTACK t0, t1, t2, t3 - Switch to the interrupt stack
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* jal handler - Handle the exception IN=old regs OUT=new regs
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* di - Disable interrupts
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* RESTORE_STACK t0, t1 - Undo the operations of USE_STACK
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@ -368,7 +368,7 @@
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*
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* On Entry:
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* sp - Current value of the user stack pointer
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* tmp1, tmp2, and tmp3 are registers that can be used temporarily.
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* tmp1, tmp2, tmp3, and tmp4 are registers that can be used temporarily.
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* All interrupts should still be disabled.
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*
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* At completion:
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@ -378,7 +378,7 @@
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*
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********************************************************************************************/
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.macro USE_INTSTACK, tmp1, tmp2, tmp3
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.macro USE_INTSTACK, tmp1, tmp2, tmp3, tmp4
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#if CONFIG_ARCH_INTERRUPTSTACK > 3
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#ifdef CONFIG_PIC32MZ_NESTED_INTERRUPTS
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@ -398,9 +398,9 @@
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*/
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la \tmp3, g_intstackbase
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lw \tmp, (\tmp3)
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sw sp, (\tmp3)
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move sp, \tmp3
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lw \tmp4, (\tmp3)
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sw sp, (\tmp4)
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move sp, \tmp4
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#ifdef CONFIG_PIC32MZ_NESTED_INTERRUPTS
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1:
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@ -561,7 +561,7 @@ __start:
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_exception_handler:
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EXCPT_PROLOGUE t0 /* Save registers on stack, enable nested interrupts */
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move a0, sp /* Pass register save structure as the parameter 1 */
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USE_INTSTACK t0, t1, t2 /* Switch to the interrupt stack */
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USE_INTSTACK t0, t1, t2, t3 /* Switch to the interrupt stack */
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la t0, pic32mz_exception /* Call pic32mz_exception(regs) */
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jalr ra, t0
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nop
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@ -590,7 +590,7 @@ _exception_handler:
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_int_handler:
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EXCPT_PROLOGUE t0 /* Save registers on stack, enable nested interrupts */
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move a0, sp /* Pass register save structure as the parameter 1 */
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USE_INTSTACK t0, t1, t2 /* Switch to the interrupt stack */
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USE_INTSTACK t0, t1, t2, t3 /* Switch to the interrupt stack */
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la t0, pic32mz_decodeirq /* Call pic32mz_decodeirq(regs) */
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jalr ra, t0
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nop
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@ -620,7 +620,7 @@ _int_handler:
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_nmi_handler:
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EXCPT_PROLOGUE t0 /* Save registers on stack, enable nested interrupts */
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move a0, sp /* Pass register save structure as the parameter 1 */
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USE_INTSTACK t0, t1, t2 /* Switch to the interrupt stack */
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USE_INTSTACK t0, t1, t2, t3 /* Switch to the interrupt stack */
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la t0, pic32mz_donmi /* Call up_donmi(regs) */
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jalr ra, t0
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nop
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