aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/Makefile1
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/early_printk.c30
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/prom.c14
3 files changed, 31 insertions, 14 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
index 2d3ec16619..ee439698ab 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
@@ -10,6 +10,7 @@
obj-y := prom.o irq.o setup.o devices.o gpio.o ar71xx.o
+obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_AR71XX_MACH_AP81) += mach-ap81.o
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/early_printk.c b/target/linux/ar71xx/files/arch/mips/ar71xx/early_printk.c
new file mode 100644
index 0000000000..4661d970b0
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/early_printk.c
@@ -0,0 +1,30 @@
+/*
+ * Atheros AR71xx SoC early printk support
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/io.h>
+#include <linux/serial_reg.h>
+#include <asm/addrspace.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#define UART_READ(r) \
+ __raw_readl((void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE) + 4 * (r)))
+
+#define UART_WRITE(r, v) \
+ __raw_writel((v), (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE) + 4*(r)))
+
+void prom_putchar(unsigned char ch)
+{
+ while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
+ UART_WRITE(UART_TX, ch);
+ while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
+}
+
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c b/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
index eee55edffb..d72bff3feb 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
@@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
-#include <linux/serial_reg.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
@@ -234,16 +233,3 @@ void __init prom_free_prom_memory(void)
{
/* We do not have to prom memory to free */
}
-
-#define UART_READ(r) \
- __raw_readl((void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE) + 4 * (r)))
-
-#define UART_WRITE(r, v) \
- __raw_writel((v), (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE) + 4*(r)))
-
-void prom_putchar(unsigned char ch)
-{
- while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
- UART_WRITE(UART_TX, ch);
- while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
-}