URL
https://opencores.org/ocsvn/minsoc/minsoc/trunk
Subversion Repositories minsoc
Compare Revisions
- This comparison shows the changes necessary to convert path
/minsoc/trunk/sw/drivers
- from Rev 149 to Rev 158
- ↔ Reverse comparison
Rev 149 → Rev 158
/eth.c
1,5 → 1,5
#include <board.h> |
#include <support.h> |
#include "interconnect.h" |
#include "eth.h" |
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int eth_tx_done; |
/uart.h
117,7 → 117,7
#define UART_EFR_ENI 0x10 /* Enhanced Interrupt */ |
|
|
void uart_init(void); |
void uart_init(unsigned long); |
void uart_putc(char); |
char uart_getc(void); |
void uart_print_str(char *); |
/interconnect.h
0,0 → 1,17
#ifndef _INTERCONNECT_H_ |
#define _INTERCONNECT_H_ |
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#define UART_BASE 0x90000000 |
#define UART_IRQ 2 |
#define ETH_BASE 0x92000000 |
#define ETH_IRQ 4 |
#define I2C_BASE 0x9D000000 |
#define I2C_IRQ 3 |
#define CAN_BASE 0x94000000 |
#define CAN_IRQ 5 |
#define JSP_BASE 0x9E000000 |
#define JSP_IRQ 6 |
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#define SPI_BASE 0xa0000000 |
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#endif |
/can.c
1,5 → 1,5
#include <board.h> |
#include <support.h> |
#include "interconnect.h" |
#include "can.h" |
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int can_rx_done, can_tx_done; |
/uart.c
6,47 → 6,49
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#define WAIT_FOR_XMITR \ |
do { \ |
lsr = REG8(UART_BASE + UART_LSR); \ |
lsr = REG8(uart_base + UART_LSR); \ |
} while ((lsr & BOTH_EMPTY) != BOTH_EMPTY) |
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#define WAIT_FOR_THRE \ |
do { \ |
lsr = REG8(UART_BASE + UART_LSR); \ |
lsr = REG8(uart_base + UART_LSR); \ |
} while ((lsr & UART_LSR_THRE) != UART_LSR_THRE) |
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#define CHECK_FOR_CHAR (REG8(UART_BASE + UART_LSR) & UART_LSR_DR) |
#define CHECK_FOR_CHAR (REG8(uart_base + UART_LSR) & UART_LSR_DR) |
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#define WAIT_FOR_CHAR \ |
do { \ |
lsr = REG8(UART_BASE + UART_LSR); \ |
lsr = REG8(uart_base + UART_LSR); \ |
} while ((lsr & UART_LSR_DR) != UART_LSR_DR) |
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#define UART_TX_BUFF_LEN 32 |
#define UART_TX_BUFF_MASK (UART_TX_BUFF_LEN -1) |
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static unsigned long uart_base = 0; |
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char tx_buff[UART_TX_BUFF_LEN]; |
volatile int tx_level, rx_level; |
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void uart_init(void) |
void uart_init(unsigned long base) |
{ |
int divisor; |
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uart_base = base; |
/* Reset receiver and transmiter */ |
/* Set RX interrupt for each byte */ |
REG8(UART_BASE + UART_FCR) = UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT | UART_FCR_TRIGGER_1; |
REG8(uart_base + UART_FCR) = UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT | UART_FCR_TRIGGER_1; |
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/* Enable RX interrupt */ |
REG8(UART_BASE + UART_IER) = UART_IER_RDI | UART_IER_THRI; |
REG8(uart_base + UART_IER) = UART_IER_RDI | UART_IER_THRI; |
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/* Set 8 bit char, 1 stop bit, no parity */ |
REG8(UART_BASE + UART_LCR) = UART_LCR_WLEN8 & ~(UART_LCR_STOP | UART_LCR_PARITY); |
REG8(uart_base + UART_LCR) = UART_LCR_WLEN8 & ~(UART_LCR_STOP | UART_LCR_PARITY); |
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/* Set baud rate */ |
divisor = IN_CLK/(16 * UART_BAUD_RATE); |
REG8(UART_BASE + UART_LCR) |= UART_LCR_DLAB; |
REG8(UART_BASE + UART_DLM) = (divisor >> 8) & 0x000000ff; |
REG8(UART_BASE + UART_DLL) = divisor & 0x000000ff; |
REG8(UART_BASE + UART_LCR) &= ~(UART_LCR_DLAB); |
REG8(uart_base + UART_LCR) |= UART_LCR_DLAB; |
REG8(uart_base + UART_DLM) = (divisor >> 8) & 0x000000ff; |
REG8(uart_base + UART_DLL) = divisor & 0x000000ff; |
REG8(uart_base + UART_LCR) &= ~(UART_LCR_DLAB); |
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return; |
} |
56,7 → 58,7
unsigned char lsr; |
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WAIT_FOR_THRE; |
REG8(UART_BASE + UART_TX) = c; |
REG8(uart_base + UART_TX) = c; |
WAIT_FOR_XMITR; |
} |
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65,7 → 67,7
char uart_getc() |
{ |
char c; |
c = REG8(UART_BASE + UART_RX); |
c = REG8(uart_base + UART_RX); |
return c; |
} |
|
74,7 → 76,7
{ |
char lala; |
unsigned char interrupt_id; |
interrupt_id = REG8(UART_BASE + UART_IIR); |
interrupt_id = REG8(uart_base + UART_IIR); |
if ( interrupt_id & UART_IIR_RDI ) |
{ |
lala = uart_getc(); |
/i2c.c
1,5 → 1,5
#include <board.h> |
#include <support.h> |
#include "interconnect.h" |
#include "i2c.h" |
|
int i2c_rd_done, i2c_wr_done; |