Hello. On 23-01-2013 23:23, Florian Fainelli wrote:
Add the code needed to make early printk work.
Signed-off-by: John Crispin <blogic@xxxxxxxxxxx> --- arch/mips/ralink/early_printk.c | 43 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 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..c610084 --- /dev/null +++ b/arch/mips/ralink/early_printk.c @@ -0,0 +1,43 @@ +/* + * 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 */ +#define EARLY_UART_BASE 0x10000c00 + +#define UART_REG_RX 0 +#define UART_REG_TX 1 +#define UART_REG_IER 2 +#define UART_REG_IIR 3 +#define UART_REG_FCR 4 +#define UART_REG_LCR 5 +#define UART_REG_MCR 6 +#define UART_REG_LSR 7
Is that really required considering that you already include serial_reg.h and could use defines from there?
Off the top of my head, these #define's are not quite compatible with standard 8250 registers.
WBR, Sergei
