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Commit 8a8594a7 authored by Yoichi Yuasa's avatar Yoichi Yuasa Committed by Ralf Baechle
Browse files

MIPS: Cobalt: Move to 8250/16550 serial early printk driver 



Signed-off-by: default avatarYoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/948/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 7cd93b89

arch/mips/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -146,6 +146,7 @@ config MIPS_COBALT 
	select CSRC_R4K

	select CEVT_GT641XX

	select DMA_NONCOHERENT

	select EARLY_PRINTK_8250 if EARLY_PRINTK

	select HW_HAS_PCI

	select I8253

	select I8259

arch/mips/cobalt/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -5,5 +5,4 @@ 
obj-y := buttons.o irq.o lcd.o led.o reset.o rtc.o serial.o setup.o time.o



obj-$(CONFIG_PCI)		+= pci.o

obj-$(CONFIG_EARLY_PRINTK)	+= console.o

obj-$(CONFIG_MTD_PHYSMAP)	+= mtd.o

arch/mips/cobalt/console.c

deleted100644 → 0
+0 −20
Original line number Diff line number Diff line 
/*

 * (C) P. Horton 2006

 */

#include <linux/io.h>

#include <linux/serial_reg.h>



#include <cobalt.h>



#define UART_BASE	((void __iomem *)CKSEG1ADDR(0x1c800000))



void prom_putchar(char c)

{

	if (cobalt_board_id <= COBALT_BRD_ID_QUBE1)

		return;



	while (!(readb(UART_BASE + UART_LSR) & UART_LSR_THRE))

		;



	writeb(c, UART_BASE + UART_TX);

}

arch/mips/cobalt/setup.c

+3 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 


#include <asm/bootinfo.h>

#include <asm/reboot.h>

#include <asm/setup.h>

#include <asm/gt64120.h>



#include <cobalt.h>
@@ -112,6 +113,8 @@ void __init prom_init(void) 
	}



	add_memory_region(0x0, memsz, BOOT_MEM_RAM);



	setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);

}



void __init prom_free_prom_memory(void)