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2010-02-15 Vladimir Serbinenko <phcoder@gmail.com>

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* 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.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-02-15 19:01:38 +01:00
parent 0dd1e0dd38
commit 402e377992
2 changed files with 20 additions and 0 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2010-02-15 Vladimir Serbinenko <phcoder@gmail.com>
* 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 <phcoder@gmail.com>
* gensymlist.sh.in: Use TARGET_CC instead of CC.

12
term/serial.c
View file

@ -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;