diff --git a/ChangeLog b/ChangeLog index a080c450c..c2948b20b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2010-02-15 Vladimir Serbinenko + + * term/serial.c (serial_get_divisor) [GRUB_MACHINE_MIPS_YEELOONG]: + Double divisor. + (serial_hw_init) [GRUB_MACHINE_MIPS_YEELOONG]: Don't enable advanced + features. + (GRUB_MOD_INIT) [GRUB_MACHINE_MIPS_YEELOONG]: Default to 115200. + 2010-02-15 Vladimir Serbinenko * gensymlist.sh.in: Use TARGET_CC instead of CC. diff --git a/term/serial.c b/term/serial.c index 62cd11fee..05497ce40 100644 --- a/term/serial.c +++ b/term/serial.c @@ -232,7 +232,12 @@ serial_get_divisor (unsigned int speed) /* Set the baud rate. */ for (i = 0; i < sizeof (divisor_tab) / sizeof (divisor_tab[0]); i++) if (divisor_tab[i].speed == speed) + /* UART in Yeeloong runs twice the usual rate. */ +#ifdef GRUB_MACHINE_MIPS_YEELOONG + return 2 * divisor_tab[i].div; +#else return divisor_tab[i].div; +#endif return 0; } @@ -292,11 +297,14 @@ serial_hw_init (void) | serial_settings.stop_bits); grub_outb (status, serial_settings.port + UART_LCR); + /* In Yeeloong serial port has only 3 wires. */ +#ifndef GRUB_MACHINE_MIPS_YEELOONG /* Enable the FIFO. */ grub_outb (UART_ENABLE_FIFO, serial_settings.port + UART_FCR); /* Turn on DTR, RTS, and OUT2. */ grub_outb (UART_ENABLE_MODEM, serial_settings.port + UART_MCR); +#endif /* Drain the input buffer. */ while (grub_serial_checkkey () != -1) @@ -613,7 +621,11 @@ GRUB_MOD_INIT(serial) /* Set default settings. */ serial_settings.port = serial_hw_get_port (0); +#ifdef GRUB_MACHINE_MIPS_YEELOONG + serial_settings.divisor = serial_get_divisor (115200); +#else serial_settings.divisor = serial_get_divisor (9600); +#endif serial_settings.word_len = UART_8BITS_WORD; serial_settings.parity = UART_NO_PARITY; serial_settings.stop_bits = UART_1_STOP_BIT;