/* * Support for IBM PPC 405EP evaluation board (Bubinga). * * Author: SAW (IBM), derived from walnut.h. * Maintained by MontaVista Software * * 2003 (c) MontaVista Softare Inc. This file is licensed under the * terms of the GNU General Public License version 2. This program is * licensed "as is" without any warranty of any kind, whether express * or implied. */ #ifdef __KERNEL__ #ifndef __BUBINGA_H__ #define __BUBINGA_H__ /* 405EP */ #include #ifndef __ASSEMBLY__ /* * Data structure defining board information maintained by the boot * ROM on IBM's evaluation board. An effort has been made to * keep the field names consistent with the 8xx 'bd_t' board info * structures. */ typedef struct board_info { unsigned char bi_s_version[4]; /* Version of this structure */ unsigned char bi_r_version[30]; /* Version of the IBM ROM */ unsigned int bi_memsize; /* DRAM installed, in bytes */ unsigned char bi_enetaddr[2][6]; /* Local Ethernet MAC address */ unsigned char bi_pci_enetaddr[6]; /* PCI Ethernet MAC address */ unsigned int bi_intfreq; /* Processor speed, in Hz */ unsigned int bi_busfreq; /* PLB Bus speed, in Hz */ unsigned int bi_pci_busfreq; /* PCI Bus speed, in Hz */ unsigned int bi_opb_busfreq; /* OPB Bus speed, in Hz */ unsigned int bi_pllouta_freq; /* PLL OUTA speed, in Hz */ } bd_t; /* Some 4xx parts use a different timebase frequency from the internal clock. */ #define bi_tbfreq bi_intfreq /* Memory map for the Bubinga board. * Generic 4xx plus RTC. */ extern void *bubinga_rtc_base; #define BUBINGA_RTC_PADDR ((uint)0xf0000000) #define BUBINGA_RTC_VADDR BUBINGA_RTC_PADDR #define BUBINGA_RTC_SIZE ((uint)8*1024) /* The UART clock is based off an internal clock - * define BASE_BAUD based on the internal clock and divider(s). * Since BASE_BAUD must be a constant, we will initialize it * using clock/divider values which OpenBIOS initializes * for typical configurations at various CPU speeds. * The base baud is calculated as (FWDA / EXT UART DIV / 16) */ #define BASE_BAUD 0 #define BUBINGA_FPGA_BASE 0xF0300000 #define PPC4xx_MACHINE_NAME "IBM Bubinga" #endif /* !__ASSEMBLY__ */ #endif /* __BUBINGA_H__ */ #endif /* __KERNEL__ */