Hello. On 28-01-2013 11:40, John Crispin wrote:
Add the code needed to make early printk work.
Signed-off-by: John Crispin <blogic@xxxxxxxxxxx> --- arch/mips/ralink/early_printk.c | 45 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 arch/mips/ralink/early_printk.c
diff --git a/arch/mips/ralink/early_printk.c b/arch/mips/ralink/early_printk.c new file mode 100644 index 0000000..68aabb9 --- /dev/null +++ b/arch/mips/ralink/early_printk.c @@ -0,0 +1,45 @@ +/* + * 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. + * + * Copyright (C) 2011-2012 Gabor Juhos <juhosg@xxxxxxxxxxx> + */ + +#include <linux/io.h> +#include <linux/serial_reg.h> + +#include <asm/addrspace.h> + +/* UART registers */
this comment refers to the register #defines below, why it is here?
+#define EARLY_UART_BASE 0x10000c00 + +#define UART_REG_RX 0x00 +#define UART_REG_TX 0x04 +#define UART_REG_IER 0x08 +#define UART_REG_IIR 0x0c +#define UART_REG_FCR 0x10 +#define UART_REG_LCR 0x14 +#define UART_REG_MCR 0x18 +#define UART_REG_LSR 0x1c
WBR, Sergei
