1 
2 /*
3  * A collection of structures, addresses, and values associated with
4  * the Embedded Planet RPX6 (or RPX Super) MPC8260 board.
5  * Copied from the RPX-Classic and SBS8260 stuff.
6  *
7  * Copyright (c) 2001 Dan Malek (dan@embeddededge.com)
8  */
9 #ifdef __KERNEL__
10 #ifndef __MACH_RPXSUPER_DEFS
11 #define __MACH_RPXSUPER_DEFS
12 
13 /* A Board Information structure that is given to a program when
14  * prom starts it up.
15  */
16 typedef struct bd_info {
17 	unsigned int	bi_memstart;	/* Memory start address */
18 	unsigned int	bi_memsize;	/* Memory (end) size in bytes */
19 	unsigned int	bi_nvsize;	/* NVRAM size in bytes (can be 0) */
20 	unsigned int	bi_intfreq;	/* Internal Freq, in Hz */
21 	unsigned int	bi_busfreq;	/* Bus Freq, in MHz */
22 	unsigned int	bi_cpmfreq;	/* CPM Freq, in MHz */
23 	unsigned int	bi_brgfreq;	/* BRG Freq, in MHz */
24 	unsigned int	bi_vco;		/* VCO Out from PLL */
25 	unsigned int	bi_baudrate;	/* Default console baud rate */
26 	unsigned int	bi_immr;	/* IMMR when called from boot rom */
27 	unsigned char	bi_enetaddr[6];
28 } bd_t;
29 
30 extern bd_t m8xx_board_info;
31 
32 /* Memory map is configured by the PROM startup.
33  * We just map a few things we need.  The CSR is actually 4 byte-wide
34  * registers that can be accessed as 8-, 16-, or 32-bit values.
35  */
36 #define CPM_MAP_ADDR		((uint)0xf0000000)
37 #define RPX_CSR_ADDR		((uint)0xfa000000)
38 #define RPX_CSR_SIZE		((uint)(512 * 1024))
39 #define RPX_NVRTC_ADDR		((uint)0xfa080000)
40 #define RPX_NVRTC_SIZE		((uint)(512 * 1024))
41 
42 /* The RPX6 has 16, byte wide control/status registers.
43  * Not all are used (yet).
44  */
45 extern volatile u_char *rpx6_csr_addr;
46 
47 /* Things of interest in the CSR.
48 */
49 #define BCSR0_ID_MASK		((u_char)0xf0)		/* Read only */
50 #define BCSR0_SWITCH_MASK	((u_char)0x0f)		/* Read only */
51 #define BCSR1_XCVR_SMC1		((u_char)0x80)
52 #define BCSR1_XCVR_SMC2		((u_char)0x40)
53 #define BCSR2_FLASH_WENABLE	((u_char)0x20)
54 #define BCSR2_NVRAM_ENABLE	((u_char)0x10)
55 #define BCSR2_ALT_IRQ2		((u_char)0x08)
56 #define BCSR2_ALT_IRQ3		((u_char)0x04)
57 #define BCSR2_PRST		((u_char)0x02)		/* Force reset */
58 #define BCSR2_ENPRST		((u_char)0x01)		/* Enable POR */
59 #define BCSR3_MODCLK_MASK	((u_char)0xe0)
60 #define BCSR3_ENCLKHDR		((u_char)0x10)
61 #define BCSR3_LED5		((u_char)0x04)		/* 0 == on */
62 #define BCSR3_LED6		((u_char)0x02)		/* 0 == on */
63 #define BCSR3_LED7		((u_char)0x01)		/* 0 == on */
64 #define BCSR4_EN_PHY		((u_char)0x80)		/* Enable PHY */
65 #define BCSR4_EN_MII		((u_char)0x40)		/* Enable PHY */
66 #define BCSR4_MII_READ		((u_char)0x04)
67 #define BCSR4_MII_MDC		((u_char)0x02)
68 #define BCSR4_MII_MDIO		((u_char)0x02)
69 #define BCSR13_FETH_IRQMASK	((u_char)0xf0)
70 #define BCSR15_FETH_IRQ		((u_char)0x20)
71 
72 #endif
73 #endif /* __KERNEL__ */
74