diff options
author | James <> | 2015-11-04 11:49:21 +0000 |
---|---|---|
committer | James <> | 2015-11-04 11:49:21 +0000 |
commit | 716ca530e1c4515d8683c9d5be3d56b301758b66 (patch) | |
tree | 700eb5bcc1a462a5f21dcec15ce7c97ecfefa772 /target/linux/ramips/image/lzma-loader/src/board-ralink.c | |
download | trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.tar.gz trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.tar.bz2 trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.zip |
Diffstat (limited to 'target/linux/ramips/image/lzma-loader/src/board-ralink.c')
-rw-r--r-- | target/linux/ramips/image/lzma-loader/src/board-ralink.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/ramips/image/lzma-loader/src/board-ralink.c b/target/linux/ramips/image/lzma-loader/src/board-ralink.c new file mode 100644 index 0000000..7c947ec --- /dev/null +++ b/target/linux/ramips/image/lzma-loader/src/board-ralink.c @@ -0,0 +1,42 @@ +/* + * Arch specific code for Ralink based boards + * + * Copyright (C) 2013 John Crispin <blogic@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 <stddef.h> +#include "config.h" + +#define READREG(r) *(volatile unsigned int *)(r) +#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v + +#define KSEG1ADDR(_x) (((_x) & 0x1fffffff) | 0xa0000000) + +#ifdef CONFIG_SOC_RT288X +#define UART_BASE 0xb0300c00 +#else +#define UART_BASE 0xb0000c00 +#endif + +#define UART_TX 1 +#define UART_LSR 7 + +#define UART_LSR_THRE 0x20 + +#define UART_READ(r) READREG(UART_BASE + 4 * (r)) +#define UART_WRITE(r,v) WRITEREG(UART_BASE + 4 * (r), (v)) + +void board_putc(int ch) +{ + while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0); + UART_WRITE(UART_TX, ch); + while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0); +} + +void board_init(void) +{ +} |