1 #ifndef _PPC_REDBOOT_H 2 #define _PPC_REDBOOT_H 3 4 //========================================================================= 5 // include/asm-ppc/redboot.h 6 // Copyright (c) 2002, 2003 Gary Thomas (<gary@mlbassoc.com> 7 // Copyright (c) 1997 Dan Malek (dmalek@jlc.net) 8 9 // 10 // Board specific details, as provided by RedBoot 11 // 12 13 /* A Board Information structure that is given to a program when 14 * RedBoot starts it up. Note: not all fields make sense for all 15 * architectures and it's up to the platform specific code to fill 16 * in the details. 17 */ 18 typedef struct bd_info { 19 unsigned int bi_tag; /* Should be 0x42444944 "BDID" */ 20 unsigned int bi_size; /* Size of this structure */ 21 unsigned int bi_revision; /* revision of this structure */ 22 unsigned int bi_bdate; /* bootstrap date, i.e. 0x19971106 */ 23 unsigned int bi_memstart; /* Memory start address */ 24 unsigned int bi_memsize; /* Memory (end) size in bytes */ 25 unsigned int bi_intfreq; /* Internal Freq, in Hz */ 26 unsigned int bi_busfreq; /* Bus Freq, in Hz */ 27 unsigned int bi_cpmfreq; /* CPM Freq, in Hz */ 28 unsigned int bi_brgfreq; /* BRG Freq, in Hz */ 29 unsigned int bi_vco; /* VCO Out from PLL */ 30 unsigned int bi_pci_freq; /* PCI Freq, in Hz */ 31 unsigned int bi_baudrate; /* Default console baud rate */ 32 unsigned int bi_immr; /* IMMR when called from boot rom */ 33 unsigned char bi_enetaddr[6]; 34 unsigned int bi_flashbase; /* Physical address of FLASH memory */ 35 unsigned int bi_flashsize; /* Length of FLASH memory */ 36 int bi_flashwidth; /* Width (8,16,32,64) */ 37 unsigned char *bi_cmdline; /* Pointer to command line */ 38 unsigned char bi_esa[3][6]; /* Ethernet station addresses */ 39 unsigned int bi_ramdisk_begin, bi_ramdisk_end; 40 struct { /* Information about [main] video screen */ 41 short x_res; /* Horizontal resolution in pixels */ 42 short y_res; /* Vertical resolution in pixels */ 43 short bpp; /* Bits/pixel */ 44 short mode; /* Type of pixels (packed, indexed) */ 45 unsigned long fb; /* Pointer to frame buffer (pixel) memory */ 46 } bi_video; 47 void (*bi_cputc)(char); /* Write a character to the RedBoot console */ 48 char (*bi_cgetc)(void); /* Read a character from the RedBoot console */ 49 int (*bi_ctstc)(void); /* Test for input on the RedBoot console */ 50 } bd_t; 51 52 #define BI_REV 0x0102 /* Version 1.02 */ 53 54 #define bi_pci_busfreq bi_pci_freq 55 #define bi_immr_base bi_immr 56 #endif 57