Linux 2.6.28-rc5
[cris-mirror.git] / arch / powerpc / boot / redboot.h
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1 #ifndef _PPC_REDBOOT_H
2 #define _PPC_REDBOOT_H
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)
9 //
10 // Board specific details, as provided by RedBoot
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.
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;
52 #define BI_REV 0x0102 /* Version 1.02 */
54 #define bi_pci_busfreq bi_pci_freq
55 #define bi_immr_base bi_immr
56 #endif