diff options
Diffstat (limited to 'qemu/roms/openbios/drivers/pc_serial.c')
| -rw-r--r-- | qemu/roms/openbios/drivers/pc_serial.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/qemu/roms/openbios/drivers/pc_serial.c b/qemu/roms/openbios/drivers/pc_serial.c deleted file mode 100644 index a638e1f99..000000000 --- a/qemu/roms/openbios/drivers/pc_serial.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Copyright (C) 2003, 2004 Stefan Reinauer - * - * See the file "COPYING" for further information about - * the copyright and warranty status of this work. - */ - -#include "config.h" -#include "libopenbios/bindings.h" -#include "kernel/kernel.h" -#include "drivers/drivers.h" -#include "libc/vsprintf.h" - -/* ****************************************************************** - * serial console functions - * ****************************************************************** */ - -#define SER_SIZE 8 - -#define RBR(x) x==2?0x2f8:0x3f8 -#define THR(x) x==2?0x2f8:0x3f8 -#define IER(x) x==2?0x2f9:0x3f9 -#define IIR(x) x==2?0x2fa:0x3fa -#define LCR(x) x==2?0x2fb:0x3fb -#define MCR(x) x==2?0x2fc:0x3fc -#define LSR(x) x==2?0x2fd:0x3fd -#define MSR(x) x==2?0x2fe:0x3fe -#define SCR(x) x==2?0x2ff:0x3ff -#define DLL(x) x==2?0x2f8:0x3f8 -#define DLM(x) x==2?0x2f9:0x3f9 - -int uart_charav(int port) -{ - return ((inb(LSR(port)) & 1) != 0); -} - -char uart_getchar(int port) -{ - while (!uart_charav(port)); - return ((char) inb(RBR(port)) & 0177); -} - -static void uart_port_putchar(int port, unsigned char c) -{ - if (c == '\n') - uart_port_putchar(port, '\r'); - while (!(inb(LSR(port)) & 0x20)); - outb(c, THR(port)); -} - -static void uart_init_line(int port, unsigned long baud) -{ - int i, baudconst; - - switch (baud) { - case 115200: - baudconst = 1; - break; - case 57600: - baudconst = 2; - break; - case 38400: - baudconst = 3; - break; - case 19200: - baudconst = 6; - break; - case 9600: - default: - baudconst = 12; - break; - } - - outb(0x87, LCR(port)); - outb(0x00, DLM(port)); - outb(baudconst, DLL(port)); - outb(0x07, LCR(port)); - outb(0x0f, MCR(port)); - - for (i = 10; i > 0; i--) { - if (inb(LSR(port)) == (unsigned int) 0) - break; - inb(RBR(port)); - } -} - -#ifdef CONFIG_DEBUG_CONSOLE_SERIAL -int uart_init(int port, unsigned long speed) -{ - uart_init_line(port, speed); - return -1; -} - -void uart_putchar(int c) -{ - uart_port_putchar(CONFIG_SERIAL_PORT, (unsigned char) (c & 0xff)); -} -#endif - -/* ( addr len -- actual ) */ -static void -pc_serial_read(unsigned long *address) -{ - char *addr; - int len; - - len = POP(); - addr = (char *)POP(); - - if (len != 1) - printk("pc_serial_read: bad len, addr %lx len %x\n", (unsigned long)addr, len); - - if (uart_charav(*address)) { - *addr = (char)uart_getchar(*address); - PUSH(1); - } else { - PUSH(0); - } -} - -/* ( addr len -- actual ) */ -static void -pc_serial_write(unsigned long *address) -{ - unsigned char *addr; - int i, len; - - len = POP(); - addr = (unsigned char *)POP(); - - for (i = 0; i < len; i++) { - uart_port_putchar(*address, addr[i]); - } - PUSH(len); -} - -static void -pc_serial_close(void) -{ -} - -static void -pc_serial_open(unsigned long *address) -{ - RET ( -1 ); -} - -static void -pc_serial_init(unsigned long *address) -{ - *address = POP(); -} - -DECLARE_UNNAMED_NODE(pc_serial, INSTALL_OPEN, sizeof(unsigned long)); - -NODE_METHODS(pc_serial) = { - { "init", pc_serial_init }, - { "open", pc_serial_open }, - { "close", pc_serial_close }, - { "read", pc_serial_read }, - { "write", pc_serial_write }, -}; - -void -ob_pc_serial_init(const char *path, const char *dev_name, uint64_t base, - uint64_t offset, int intr) -{ - phandle_t aliases; - char nodebuff[128]; - - snprintf(nodebuff, sizeof(nodebuff), "%s/%s", path, dev_name); - REGISTER_NAMED_NODE(pc_serial, nodebuff); - - push_str(nodebuff); - fword("find-device"); - - PUSH(offset); - PUSH(find_package_method("init", get_cur_dev())); - fword("execute"); - - push_str("serial"); - fword("device-type"); - - PUSH((base + offset) >> 32); - fword("encode-int"); - PUSH((base + offset) & 0xffffffff); - fword("encode-int"); - fword("encode+"); - PUSH(SER_SIZE); - fword("encode-int"); - fword("encode+"); - push_str("reg"); - fword("property"); - -#if !defined(CONFIG_SPARC64) - PUSH(offset); - fword("encode-int"); - push_str("address"); - fword("property"); -#endif - -#if defined(CONFIG_SPARC64) - set_int_property(get_cur_dev(), "interrupts", 1); -#endif - - aliases = find_dev("/aliases"); - set_property(aliases, "ttya", nodebuff, strlen(nodebuff) + 1); -} |