linux/arch/ppc/platforms/rpxlite.h

92 lines
2.7 KiB
C

/*
* A collection of structures, addresses, and values associated with
* the RPCG RPX-Lite board. Copied from the MBX stuff.
*
* Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
*/
#ifdef __KERNEL__
#ifndef __MACH_RPX_DEFS
#define __MACH_RPX_DEFS
#ifndef __ASSEMBLY__
/* A Board Information structure that is given to a program when
* prom starts it up.
*/
typedef struct bd_info {
unsigned int bi_memstart; /* Memory start address */
unsigned int bi_memsize; /* Memory (end) size in bytes */
unsigned int bi_intfreq; /* Internal Freq, in Hz */
unsigned int bi_busfreq; /* Bus Freq, in Hz */
unsigned char bi_enetaddr[6];
unsigned int bi_baudrate;
} bd_t;
extern bd_t m8xx_board_info;
/* Memory map is configured by the PROM startup.
* We just map a few things we need. The CSR is actually 4 byte-wide
* registers that can be accessed as 8-, 16-, or 32-bit values.
*/
#define RPX_CSR_ADDR ((uint)0xfa400000)
#define RPX_CSR_SIZE ((uint)(4 * 1024))
#define IMAP_ADDR ((uint)0xfa200000)
#define IMAP_SIZE ((uint)(64 * 1024))
#define PCMCIA_MEM_ADDR ((uint)0x04000000)
#define PCMCIA_MEM_SIZE ((uint)(64 * 1024))
#define PCMCIA_IO_ADDR ((uint)0x04400000)
#define PCMCIA_IO_SIZE ((uint)(4 * 1024))
/* Things of interest in the CSR.
*/
#define BCSR0_ETHEN ((uint)0x80000000)
#define BCSR0_ETHLPBK ((uint)0x40000000)
#define BCSR0_COLTESTDIS ((uint)0x20000000)
#define BCSR0_FULLDPLXDIS ((uint)0x10000000)
#define BCSR0_LEDOFF ((uint)0x08000000)
#define BCSR0_USBDISABLE ((uint)0x04000000)
#define BCSR0_USBHISPEED ((uint)0x02000000)
#define BCSR0_USBPWREN ((uint)0x01000000)
#define BCSR0_PCMCIAVOLT ((uint)0x000f0000)
#define BCSR0_PCMCIA3VOLT ((uint)0x000a0000)
#define BCSR0_PCMCIA5VOLT ((uint)0x00060000)
#define BCSR1_IPB5SEL ((uint)0x00100000)
#define BCSR1_PCVCTL4 ((uint)0x00080000)
#define BCSR1_PCVCTL5 ((uint)0x00040000)
#define BCSR1_PCVCTL6 ((uint)0x00020000)
#define BCSR1_PCVCTL7 ((uint)0x00010000)
/* define IO_BASE for pcmcia */
#define _IO_BASE 0x80000000
#define _IO_BASE_SIZE 0x1000
#ifdef CONFIG_IDE
# define MAX_HWIFS 1
#endif
/* CPM Ethernet through SCCx.
*
* This ENET stuff is for the MPC850 with ethernet on SCC2. Some of
* this may be unique to the RPX-Lite configuration.
* Note TENA is on Port B.
*/
#define PA_ENET_RXD ((ushort)0x0004)
#define PA_ENET_TXD ((ushort)0x0008)
#define PA_ENET_TCLK ((ushort)0x0200)
#define PA_ENET_RCLK ((ushort)0x0800)
#define PB_ENET_TENA ((uint)0x00002000)
#define PC_ENET_CLSN ((ushort)0x0040)
#define PC_ENET_RENA ((ushort)0x0080)
#define SICR_ENET_MASK ((uint)0x0000ff00)
#define SICR_ENET_CLKRT ((uint)0x00003d00)
/* We don't use the 8259.
*/
#define NR_8259_INTS 0
#endif /* !__ASSEMBLY__ */
#endif /* __MACH_RPX_DEFS */
#endif /* __KERNEL__ */