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.
6 * Copyright (c) 2001 Dan Malek <dan@embeddededge.com>
9 #ifndef __ASM_PLATFORMS_RPX8260_H__
10 #define __ASM_PLATFORMS_RPX8260_H__
12 /* A Board Information structure that is given to a program when
15 typedef 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];
29 extern bd_t m8xx_board_info;
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.
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))
41 /* The RPX6 has 16, byte wide control/status registers.
42 * Not all are used (yet).
44 extern volatile u_char *rpx6_csr_addr;
46 /* Things of interest in the CSR.
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)
71 #define PHY_INTERRUPT SIU_INT_IRQ7
73 /* For our show_cpuinfo hooks. */
74 #define CPUINFO_VENDOR "Embedded Planet"
75 #define CPUINFO_MACHINE "EP8260 PowerPC"
77 /* Warm reset vector. */
78 #define BOOTROM_RESTART_ADDR ((uint)0xfff00104)
80 #endif /* __ASM_PLATFORMS_RPX8260_H__ */
81 #endif /* __KERNEL__ */