| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 | */ |
| 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]; |
| 27 | } bd_t; |
| 28 | |
| 29 | extern 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 | */ |
| 44 | extern 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__ */ |