diff options
Diffstat (limited to 'board/MAI/AmigaOneG3SE/serial.c')
| -rw-r--r-- | board/MAI/AmigaOneG3SE/serial.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/board/MAI/AmigaOneG3SE/serial.c b/board/MAI/AmigaOneG3SE/serial.c deleted file mode 100644 index 84a913e..0000000 --- a/board/MAI/AmigaOneG3SE/serial.c +++ /dev/null @@ -1,245 +0,0 @@ -#include <common.h> -#include <ns16550.h> -#include "short_types.h" -#include "memio.h" -#include "articiaS.h" - -DECLARE_GLOBAL_DATA_PTR; - -#ifndef CONFIG_SYS_NS16550 -static uint32 ComPort1; - -uint16 SerialEcho = 1; - - -#define RECEIVER_HOLDING 0 -#define TRANSMITTER_HOLDING 0 -#define INTERRUPT_ENABLE 1 -#define INTERRUPT_STATUS 2 -#define FIFO_CONTROL 2 -#define LINE_CONTROL 3 -#define MODEM_CONTROL 4 -#define LINE_STATUS 5 -#define MODEM_STATUS 6 -#define SCRATCH_PAD 7 - -#define DIVISOR_LATCH_LSB 0 -#define DIVISOR_LATCH_MSB 1 -#define PRESCALER_DIVISION 5 - -#define COM_WRITE_BYTE(reg, byte) out_byte((ComPort1+reg), byte) -#define COM_READ_BYTE(reg) in_byte((ComPort1+reg)) - -static int serial_init_done = 0; - -void serial_init (void) -{ -#if 0 - uint32 clock_divisor = 115200 / baudrate; - uint8 cfg; - uint8 a; - uint16 devfn = 7 << 3; - - if (serial_init_done) - return; - - /* Enter configuration mode */ - cfg = pci_read_cfg_byte (0, devfn, 0x85); - pci_write_cfg_byte (0, devfn, 0x85, cfg | 0x02); - - /* Set serial port COM1 as 3F8 */ - out_byte (0x3F0, 0xE7); - out_byte (0x3f1, 0xfe); - - /* Set serial port COM2 as 2F8 */ - out_byte (0x3f0, 0xe8); - out_byte (0x3f1, 0xeb); - - /* Enable */ - out_byte (0x3f0, 0xe2); - a = in_byte (0x3f1); - a |= 0xc; - out_byte (0x3f0, 0xe2); - out_byte (0x3f1, a); - - /* Reset the configuration mode */ - pci_write_cfg_byte (0, devfn, 0x85, cfg); -#endif - - ComPort1 = 0x3F8; - - /* Disable interrupts */ - COM_WRITE_BYTE (INTERRUPT_ENABLE, 0x00); - - /* Set baud rate */ - /* COM_WRITE_BYTE(LINE_CONTROL, 0x83); */ - /* COM_WRITE_BYTE(DIVISOR_LATCH_LSB, (uint8)(clock_divisor & 0xFF)); */ - /* COM_WRITE_BYTE(DIVISOR_LATCH_MSB, (uint8)(clock_divisor >> 8)); */ - /* __asm__("eieio"); */ - - /* Set 8-N-1 */ - COM_WRITE_BYTE (LINE_CONTROL, 0x03); - __asm__ ("eieio"); - - /* Disable FIFO */ - COM_WRITE_BYTE (MODEM_CONTROL, 0x03); - COM_WRITE_BYTE (FIFO_CONTROL, 0x07); - - __asm__ ("eieio"); - serial_init_done = 1; -} - -extern int console_changed; - -void serial_putc (const char sendme) -{ - if (sendme == '\n') { - while ((in_byte (0x3FD) & 0x40) == 0); - out_byte (0x3f8, 0x0D); - } - - while ((in_byte (0x3FD) & 0x40) == 0); - out_byte (0x3f8, sendme); -} - -int serial_getc (void) -{ -#if 0 - uint8 c; - - for (;;) { - uint8 x = in_byte (0x3FD); - - if (x & 0x01) - break; - - if (x & 0x0C) - out_byte (0x3fd, 0x0c); - } - - c = in_byte (0x3F8); - - return c; -#else - while ((in_byte (0x3FD) & 0x01) == 0) { - if (console_changed != 0) { - printf ("Console changed\n"); - console_changed = 0; - return 0; - } - } - return in_byte (0x3F8); -#endif -} - -int serial_tstc (void) -{ - return (in_byte (0x03FD) & 0x01) != 0; -} - -void serial_debug_putc (int c) -{ - serial_puts ("DBG"); - serial_putc (c); - serial_putc (0x0d); - serial_putc (0x0A); -} - -#else - -const NS16550_t Com0 = (NS16550_t) CONFIG_SYS_NS16550_COM1; -const NS16550_t Com1 = (NS16550_t) CONFIG_SYS_NS16550_COM2; - -int serial_init (void) -{ - uint32 clock_divisor = 115200 / gd->baudrate; - - NS16550_init (Com0, clock_divisor); - /* NS16550_reinit(Com1, clock_divisor); */ - /* serial_puts("COM1: 3F8h initalized"); */ - - return (0); -} - -#if 0 -void serial_putc (const char c) -{ - NS16550_putc (Com0, c); - if (c == '\n') - NS16550_putc (Com0, 0x0D); -} - -int serial_getc (void) -{ - return (int) NS16550_getc (Com0); -} - -int serial_tstc (void) -{ - return NS16550_tstc (Com0); -} -#else -void serial_putc (const char sendme) -{ - if (sendme == '\n') { - while ((in_byte (0x3FD) & 0x40) == 0); - out_byte (0x3f8, 0x0D); - } - - while ((in_byte (0x3FD) & 0x40) == 0); - out_byte (0x3f8, sendme); -} - - -extern int console_changed; - -int serial_getc (void) -{ -#if 0 - uint8 c; - - for (;;) { - uint8 x = in_byte (0x3FD); - - if (x & 0x01) - break; - - if (x & 0x0C) - out_byte (0x3fd, 0x0c); - } - - c = in_byte (0x3F8); - - return c; -#else - while ((in_byte (0x3FD) & 0x01) == 0) { - if (console_changed != 0) { - console_changed = 0; - return 0; - } - } - - return in_byte (0x3F8); -#endif -} - -int serial_tstc (void) -{ - return (in_byte (0x03FD) & 0x01) != 0; -} -#endif - -#endif - -void serial_puts (const char *string) -{ - while (*string) - serial_putc (*string++); -} - -void serial_setbrg (void) -{ - uint32 clock_divisor = 115200 / gd->baudrate; - - NS16550_init (Com0, clock_divisor); -} |