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1/*
2 * A collection of structures, addresses, and values associated with
3 * the Embedded Planet RPX6 (or RPX Super) MPC8260 board.
4 * Copied from the RPX-Classic and SBS8260 stuff.
5 *
6 * Copyright (c) 2001 Dan Malek <dan@embeddededge.com>
7 */
8#ifdef __KERNEL__
9#ifndef __ASM_PLATFORMS_RPX8260_H__
10#define __ASM_PLATFORMS_RPX8260_H__
11
12/* A Board Information structure that is given to a program when
13 * prom starts it up.
14 */
15typedef struct bd_info {
16	unsigned int	bi_memstart;	/* Memory start address */
17	unsigned int	bi_memsize;	/* Memory (end) size in bytes */
18	unsigned int	bi_nvsize;	/* NVRAM size in bytes (can be 0) */
19	unsigned int	bi_intfreq;	/* Internal Freq, in Hz */
20	unsigned int	bi_busfreq;	/* Bus Freq, in MHz */
21	unsigned int	bi_cpmfreq;	/* CPM Freq, in MHz */
22	unsigned int	bi_brgfreq;	/* BRG Freq, in MHz */
23	unsigned int	bi_vco;		/* VCO Out from PLL */
24	unsigned int	bi_baudrate;	/* Default console baud rate */
25	unsigned int	bi_immr;	/* IMMR when called from boot rom */
26	unsigned char	bi_enetaddr[6];
27} bd_t;
28
29extern bd_t m8xx_board_info;
30
31/* Memory map is configured by the PROM startup.
32 * We just map a few things we need.  The CSR is actually 4 byte-wide
33 * registers that can be accessed as 8-, 16-, or 32-bit values.
34 */
35#define CPM_MAP_ADDR		((uint)0xf0000000)
36#define RPX_CSR_ADDR		((uint)0xfa000000)
37#define RPX_CSR_SIZE		((uint)(512 * 1024))
38#define RPX_NVRTC_ADDR		((uint)0xfa080000)
39#define RPX_NVRTC_SIZE		((uint)(512 * 1024))
40
41/* The RPX6 has 16, byte wide control/status registers.
42 * Not all are used (yet).
43 */
44extern volatile u_char *rpx6_csr_addr;
45
46/* Things of interest in the CSR.
47*/
48#define BCSR0_ID_MASK		((u_char)0xf0)		/* Read only */
49#define BCSR0_SWITCH_MASK	((u_char)0x0f)		/* Read only */
50#define BCSR1_XCVR_SMC1		((u_char)0x80)
51#define BCSR1_XCVR_SMC2		((u_char)0x40)
52#define BCSR2_FLASH_WENABLE	((u_char)0x20)
53#define BCSR2_NVRAM_ENABLE	((u_char)0x10)
54#define BCSR2_ALT_IRQ2		((u_char)0x08)
55#define BCSR2_ALT_IRQ3		((u_char)0x04)
56#define BCSR2_PRST		((u_char)0x02)		/* Force reset */
57#define BCSR2_ENPRST		((u_char)0x01)		/* Enable POR */
58#define BCSR3_MODCLK_MASK	((u_char)0xe0)
59#define BCSR3_ENCLKHDR		((u_char)0x10)
60#define BCSR3_LED5		((u_char)0x04)		/* 0 == on */
61#define BCSR3_LED6		((u_char)0x02)		/* 0 == on */
62#define BCSR3_LED7		((u_char)0x01)		/* 0 == on */
63#define BCSR4_EN_PHY		((u_char)0x80)		/* Enable PHY */
64#define BCSR4_EN_MII		((u_char)0x40)		/* Enable PHY */
65#define BCSR4_MII_READ		((u_char)0x04)
66#define BCSR4_MII_MDC		((u_char)0x02)
67#define BCSR4_MII_MDIO		((u_char)0x01)
68#define BCSR13_FETH_IRQMASK	((u_char)0xf0)
69#define BCSR15_FETH_IRQ		((u_char)0x20)
70
71#define PHY_INTERRUPT	SIU_INT_IRQ7
72
73/* For our show_cpuinfo hooks. */
74#define CPUINFO_VENDOR		"Embedded Planet"
75#define CPUINFO_MACHINE		"EP8260 PowerPC"
76
77/* Warm reset vector. */
78#define BOOTROM_RESTART_ADDR	((uint)0xfff00104)
79
80#endif /* __ASM_PLATFORMS_RPX8260_H__ */
81#endif /* __KERNEL__ */
82