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Macroify serial and PCI constants

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-03-11 15:21:06 +01:00
parent edf717f5cb
commit d0c7485824
2 changed files with 20 additions and 20 deletions
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6
include/grub/mips/yeeloong/serial.h
View file

@ -19,11 +19,11 @@
#ifndef GRUB_MACHINE_SERIAL_HEADER
#define GRUB_MACHINE_SERIAL_HEADER 1
#define GRUB_MACHINE_SERIAL_PORT 0xbff003f8
#ifndef ASM_FILE
#define GRUB_MACHINE_SERIAL_PORTS { 0xbff003f8 }
#define GRUB_MACHINE_SERIAL_PORTS { GRUB_MACHINE_SERIAL_PORT }
#else
#define GRUB_MACHINE_SERIAL_PORT_HI 0xbff0
#define GRUB_MACHINE_SERIAL_PORT_LO 0x03f8
#endif
#endif

34
kern/mips/yeeloong/fwstart.S
View file

@ -47,7 +47,7 @@ __start:
ori $t4, $zero, 1
lui $a0, %hi(no_cs5536)
1:
andi $t4, $t4, 0xffff
andi $t4, $t4, ((1 << GRUB_PCI_NUM_DEVICES) - 1)
beql $t4, $zero, fatal
addiu $a0, $a0, %lo(no_cs5536)
sw $t4, GRUB_MACHINE_PCI_CONF_CTRL_REG_LO($t0)
@ -206,34 +206,34 @@ other_exception:
we need it early. */
/* In: none. Out: none. Clobbered: $t0, $t1, $a0. */
serial_hw_init:
lui $t0, GRUB_MACHINE_SERIAL_PORT_HI
lui $t0, %hi (GRUB_MACHINE_SERIAL_PORT)
/* Turn off the interrupt. */
sb $zero, (GRUB_MACHINE_SERIAL_PORT_LO + UART_IER)($t0)
sb $zero, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_IER)($t0)
/* Set DLAB. */
ori $t1, $zero, UART_DLAB
sb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_LCR)($t0)
sb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_LCR)($t0)
/* Set the baud rate 115200. */
ori $t1, $zero, 2
sb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_DLL)($t0)
sb $zero, (GRUB_MACHINE_SERIAL_PORT_LO + UART_DLH)($t0)
sb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_DLL)($t0)
sb $zero, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_DLH)($t0)
/* Set the line status. */
ori $t1, $zero, (UART_NO_PARITY | UART_8BITS_WORD | UART_1_STOP_BIT)
sb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_LCR)($t0)
sb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_LCR)($t0)
/* Enable the FIFO. */
ori $t1, $zero, UART_ENABLE_FIFO_TRIGGER1
sb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_FCR)($t0)
sb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_FCR)($t0)
/* Turn on DTR and RTS. */
ori $t1, $zero, UART_ENABLE_DTRRTS
sb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_MCR)($t0)
sb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_MCR)($t0)
lui $t0, 0xbff0
addiu $t0, $t0, 0x03f8
lui $t0, %hi (GRUB_MACHINE_SERIAL_PORT)
addiu $t0, $t0, %lo (GRUB_MACHINE_SERIAL_PORT)
/* Let message return to original caller. */
lui $a0, %hi(notification_string)
@ -242,14 +242,14 @@ serial_hw_init:
/* Print message on serial console. */
/* In: $a0 = asciiz message. Out: none. Clobbered: $t0, $t1, $a0. */
message:
lui $t0, GRUB_MACHINE_SERIAL_PORT_HI
lui $t0, %hi (GRUB_MACHINE_SERIAL_PORT)
1:
lb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_LSR)($t0)
lb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_LSR)($t0)
andi $t1, $t1, UART_EMPTY_TRANSMITTER
beq $t1, $zero, 1b
nop
lb $t1, 0($a0)
sb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_TX)($t0)
sb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_TX)($t0)
bne $t1, $zero, 1b
addiu $a0, $a0, 1
jr $ra
@ -259,10 +259,10 @@ message:
In: $a0. Out: None. Clobbered: $a0, $t0, $t1, $t2
*/
printhex:
lui $t0, GRUB_MACHINE_SERIAL_PORT_HI
lui $t0, %hi (GRUB_MACHINE_SERIAL_PORT)
ori $t2, $zero, 8
1:
lb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_LSR)($t0)
lb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_LSR)($t0)
andi $t1, $t1, UART_EMPTY_TRANSMITTER
beq $t1, $zero, 1b
nop
@ -272,7 +272,7 @@ printhex:
sll $a0, $a0, 4
addiu $t1, $t1, 'A'-10-'0'
2: addiu $t1, $t1, '0'+10
sb $t1, (GRUB_MACHINE_SERIAL_PORT_LO + UART_TX)($t0)
sb $t1, (%lo (GRUB_MACHINE_SERIAL_PORT) + UART_TX)($t0)
addiu $t2, $t2, -1
bne $t2, $zero, 1b
nop