| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Support for IBM PPC 405EP evaluation board (Bubinga). |
| 3 | * |
| 4 | * Author: SAW (IBM), derived from walnut.h. |
| 5 | * Maintained by MontaVista Software <source@mvista.com> |
| 6 | * |
| 7 | * 2003 (c) MontaVista Softare Inc. This file is licensed under the |
| 8 | * terms of the GNU General Public License version 2. This program is |
| 9 | * licensed "as is" without any warranty of any kind, whether express |
| 10 | * or implied. |
| 11 | */ |
| 12 | |
| 13 | #ifdef __KERNEL__ |
| 14 | #ifndef __BUBINGA_H__ |
| 15 | #define __BUBINGA_H__ |
| 16 | |
| 17 | /* 405EP */ |
| 18 | #include <platforms/4xx/ibm405ep.h> |
| 19 | |
| 20 | #ifndef __ASSEMBLY__ |
| 21 | /* |
| 22 | * Data structure defining board information maintained by the boot |
| 23 | * ROM on IBM's evaluation board. An effort has been made to |
| 24 | * keep the field names consistent with the 8xx 'bd_t' board info |
| 25 | * structures. |
| 26 | */ |
| 27 | |
| 28 | typedef struct board_info { |
| 29 | unsigned char bi_s_version[4]; /* Version of this structure */ |
| 30 | unsigned char bi_r_version[30]; /* Version of the IBM ROM */ |
| 31 | unsigned int bi_memsize; /* DRAM installed, in bytes */ |
| 32 | unsigned char bi_enetaddr[2][6]; /* Local Ethernet MAC address */ unsigned char bi_pci_enetaddr[6]; /* PCI Ethernet MAC address */ |
| 33 | unsigned int bi_intfreq; /* Processor speed, in Hz */ |
| 34 | unsigned int bi_busfreq; /* PLB Bus speed, in Hz */ |
| 35 | unsigned int bi_pci_busfreq; /* PCI Bus speed, in Hz */ |
| 36 | unsigned int bi_opb_busfreq; /* OPB Bus speed, in Hz */ |
| 37 | unsigned int bi_pllouta_freq; /* PLL OUTA speed, in Hz */ |
| 38 | } bd_t; |
| 39 | |
| 40 | /* Some 4xx parts use a different timebase frequency from the internal clock. |
| 41 | */ |
| 42 | #define bi_tbfreq bi_intfreq |
| 43 | |
| 44 | |
| 45 | /* Memory map for the Bubinga board. |
| 46 | * Generic 4xx plus RTC. |
| 47 | */ |
| 48 | |
| 49 | extern void *bubinga_rtc_base; |
| 50 | #define BUBINGA_RTC_PADDR ((uint)0xf0000000) |
| 51 | #define BUBINGA_RTC_VADDR BUBINGA_RTC_PADDR |
| 52 | #define BUBINGA_RTC_SIZE ((uint)8*1024) |
| 53 | |
| 54 | /* The UART clock is based off an internal clock - |
| 55 | * define BASE_BAUD based on the internal clock and divider(s). |
| 56 | * Since BASE_BAUD must be a constant, we will initialize it |
| 57 | * using clock/divider values which OpenBIOS initializes |
| 58 | * for typical configurations at various CPU speeds. |
| 59 | * The base baud is calculated as (FWDA / EXT UART DIV / 16) |
| 60 | */ |
| 61 | #define BASE_BAUD 0 |
| 62 | |
| 63 | #define BUBINGA_FPGA_BASE 0xF0300000 |
| 64 | |
| 65 | #define PPC4xx_MACHINE_NAME "IBM Bubinga" |
| 66 | |
| 67 | #endif /* !__ASSEMBLY__ */ |
| 68 | #endif /* __BUBINGA_H__ */ |
| 69 | #endif /* __KERNEL__ */ |