X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;ds=sidebyside;f=target%2Flinux%2Fadm8668%2Ffiles-3.18%2Farch%2Fmips%2Fadm8668%2Fearly_printk.c;fp=target%2Flinux%2Fadm8668%2Ffiles-3.18%2Farch%2Fmips%2Fadm8668%2Fearly_printk.c;h=03dd72aa8ba485a684f226fc690c712005316d91;hb=f51f3ee9bc0ebd26b28fa7687cc4b7dd6dadc1b4;hp=0000000000000000000000000000000000000000;hpb=26cf81b94b22a3cc95676ff63e6d69dd256de080;p=openwrt%2Fopenwrt.git

diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/early_printk.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/early_printk.c
new file mode 100644
index 0000000000..03dd72aa8b
--- /dev/null
+++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/early_printk.c
@@ -0,0 +1,16 @@
+#include <linux/io.h>
+#include <linux/amba/serial.h>
+#include <adm8668.h>
+
+#define UART_READ(r) \
+	__raw_readl((void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r)))
+
+#define UART_WRITE(v, r) \
+	__raw_writel((v), (void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r)))
+
+void prom_putchar(char c)
+{
+	UART_WRITE(c, UART01x_DR);
+	while ((UART_READ(UART01x_FR) & UART01x_FR_TXFF) != 0)
+		;
+}