diff options
Diffstat (limited to 'include/asm-arm/arch-lh7a40x/uncompress.h')
| -rw-r--r-- | include/asm-arm/arch-lh7a40x/uncompress.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/asm-arm/arch-lh7a40x/uncompress.h b/include/asm-arm/arch-lh7a40x/uncompress.h new file mode 100644 index 0000000..ec8ab67 --- /dev/null +++ b/include/asm-arm/arch-lh7a40x/uncompress.h @@ -0,0 +1,43 @@ +/* include/asm-arm/arch-lh7a40x/uncompress.h + * + * Copyright (C) 2004 Coastal Environmental Systems + * + * 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 <asm/arch/registers.h> + +#ifndef UART_R_DATA +# define UART_R_DATA (0x00) +#endif +#ifndef UART_R_STATUS +# define UART_R_STATUS (0x10) +#endif +#define nTxRdy (0x20) /* Not TxReady (literally Tx FIFO full) */ + + /* Access UART with physical addresses before MMU is setup */ +#define UART_STATUS (*(volatile unsigned long*) (UART2_PHYS + UART_R_STATUS)) +#define UART_DATA (*(volatile unsigned long*) (UART2_PHYS + UART_R_DATA)) + +static __inline__ void putc (char ch) +{ + while (UART_STATUS & nTxRdy) + ; + UART_DATA = ch; +} + +static void putstr (const char* sz) +{ + for (; *sz; ++sz) { + putc (*sz); + if (*sz == '\n') + putc ('\r'); + } +} + + /* NULL functions; we don't presently need them */ +#define arch_decomp_setup() +#define arch_decomp_wdog() |