| /****************************************************************************/ |
| |
| /* |
| * semp.h -- SecureEdge MP3 hardware platform support. |
| * |
| * (C) Copyright 2001-2002, Greg Ungerer (gerg@snapgear.com). |
| */ |
| |
| /****************************************************************************/ |
| #ifndef semp3_h |
| #define semp3_h |
| /****************************************************************************/ |
| |
| #include <linux/config.h> |
| |
| /****************************************************************************/ |
| #ifdef CONFIG_SECUREEDGEMP3 |
| /****************************************************************************/ |
| |
| #include <asm/coldfire.h> |
| #include <asm/mcfsim.h> |
| |
| /* |
| * The ColdFire UARTs do not have any support for DTR/DCD lines. |
| * We have wired them onto some of the parallel IO lines. |
| */ |
| #define MCFPP_DCD1 0x0004 |
| #define MCFPP_DCD0 0x0000 /* No DCD line on port 0 */ |
| #define MCFPP_DTR1 0x0080 |
| #define MCFPP_DTR0 0x0000 /* No DTR line on port 0 */ |
| |
| |
| #ifndef __ASSEMBLY__ |
| |
| extern volatile unsigned short ppdata; |
| |
| /* |
| * These functions defined to give quasi generic access to the |
| * PPIO bits used for DTR/DCD. |
| */ |
| static __inline__ unsigned int mcf_getppdata(void) |
| { |
| volatile unsigned short *pp; |
| pp = (volatile unsigned short *) (MCF_MBAR + MCFSIM_PADAT); |
| return((unsigned int) *pp); |
| } |
| |
| static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits) |
| { |
| volatile unsigned short *pp; |
| pp = (volatile unsigned short *) (MCF_MBAR + MCFSIM_PADAT); |
| ppdata = (ppdata & ~mask) | bits; |
| *pp = ppdata; |
| } |
| #endif |
| |
| /****************************************************************************/ |
| #endif /* CONFIG_SECUREEDGEMP3 */ |
| /****************************************************************************/ |
| #endif /* semp3_h */ |
